./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-19.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_30cd4c87-34d4-4739-b6ee-30c8a5a9f7ac/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30cd4c87-34d4-4739-b6ee-30c8a5a9f7ac/bin/uautomizer-verify-aQ6SnzHsRB/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30cd4c87-34d4-4739-b6ee-30c8a5a9f7ac/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30cd4c87-34d4-4739-b6ee-30c8a5a9f7ac/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-19.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30cd4c87-34d4-4739-b6ee-30c8a5a9f7ac/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30cd4c87-34d4-4739-b6ee-30c8a5a9f7ac/bin/uautomizer-verify-aQ6SnzHsRB --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 06f837d7928db541d2d48c927f11a6eb52920c5b0369de6ffc2b007ce4b98eea --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-28 04:51:10,589 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 04:51:10,666 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30cd4c87-34d4-4739-b6ee-30c8a5a9f7ac/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-28 04:51:10,676 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 04:51:10,677 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 04:51:10,722 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 04:51:10,724 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 04:51:10,725 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 04:51:10,725 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-28 04:51:10,725 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-28 04:51:10,726 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-28 04:51:10,726 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-28 04:51:10,726 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 04:51:10,726 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 04:51:10,727 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 04:51:10,727 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 04:51:10,728 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-28 04:51:10,728 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-28 04:51:10,728 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-28 04:51:10,728 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-28 04:51:10,729 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 04:51:10,729 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-28 04:51:10,729 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-28 04:51:10,729 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-28 04:51:10,729 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-28 04:51:10,729 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-28 04:51:10,729 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 04:51:10,729 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 04:51:10,730 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-28 04:51:10,730 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 04:51:10,730 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 04:51:10,730 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 04:51:10,730 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 04:51:10,730 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 04:51:10,730 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 04:51:10,730 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 04:51:10,730 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 04:51:10,730 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 04:51:10,731 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 04:51:10,731 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-28 04:51:10,731 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-28 04:51:10,731 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-28 04:51:10,731 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-28 04:51:10,731 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-28 04:51:10,731 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-28 04:51:10,731 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-28 04:51:10,731 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-28 04:51:10,731 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-28 04:51:10,731 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_30cd4c87-34d4-4739-b6ee-30c8a5a9f7ac/bin/uautomizer-verify-aQ6SnzHsRB 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 -> 06f837d7928db541d2d48c927f11a6eb52920c5b0369de6ffc2b007ce4b98eea [2024-11-28 04:51:11,092 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 04:51:11,101 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 04:51:11,104 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 04:51:11,105 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 04:51:11,106 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 04:51:11,107 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30cd4c87-34d4-4739-b6ee-30c8a5a9f7ac/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-19.i [2024-11-28 04:51:14,022 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30cd4c87-34d4-4739-b6ee-30c8a5a9f7ac/bin/uautomizer-verify-aQ6SnzHsRB/data/ba746b570/9bdbbae05add489ab4148f0ccae2c818/FLAG908c9104b [2024-11-28 04:51:14,369 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 04:51:14,370 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30cd4c87-34d4-4739-b6ee-30c8a5a9f7ac/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-19.i [2024-11-28 04:51:14,411 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30cd4c87-34d4-4739-b6ee-30c8a5a9f7ac/bin/uautomizer-verify-aQ6SnzHsRB/data/ba746b570/9bdbbae05add489ab4148f0ccae2c818/FLAG908c9104b [2024-11-28 04:51:14,454 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30cd4c87-34d4-4739-b6ee-30c8a5a9f7ac/bin/uautomizer-verify-aQ6SnzHsRB/data/ba746b570/9bdbbae05add489ab4148f0ccae2c818 [2024-11-28 04:51:14,459 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 04:51:14,460 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 04:51:14,466 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 04:51:14,466 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 04:51:14,472 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 04:51:14,472 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:51:14" (1/1) ... [2024-11-28 04:51:14,475 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1062051d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:51:14, skipping insertion in model container [2024-11-28 04:51:14,476 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:51:14" (1/1) ... [2024-11-28 04:51:14,499 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 04:51:14,674 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_30cd4c87-34d4-4739-b6ee-30c8a5a9f7ac/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-19.i[915,928] [2024-11-28 04:51:14,721 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 04:51:14,733 INFO L200 MainTranslator]: Completed pre-run [2024-11-28 04:51:14,748 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_30cd4c87-34d4-4739-b6ee-30c8a5a9f7ac/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-19.i[915,928] [2024-11-28 04:51:14,777 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 04:51:14,794 INFO L204 MainTranslator]: Completed translation [2024-11-28 04:51:14,795 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:51:14 WrapperNode [2024-11-28 04:51:14,795 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 04:51:14,796 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-28 04:51:14,797 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-28 04:51:14,797 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-28 04:51:14,804 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:51:14" (1/1) ... [2024-11-28 04:51:14,814 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:51:14" (1/1) ... [2024-11-28 04:51:14,853 INFO L138 Inliner]: procedures = 26, calls = 30, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 127 [2024-11-28 04:51:14,854 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-28 04:51:14,855 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-28 04:51:14,855 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-28 04:51:14,855 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-28 04:51:14,875 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:51:14" (1/1) ... [2024-11-28 04:51:14,878 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:51:14" (1/1) ... [2024-11-28 04:51:14,883 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:51:14" (1/1) ... [2024-11-28 04:51:14,908 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]. [2024-11-28 04:51:14,910 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:51:14" (1/1) ... [2024-11-28 04:51:14,910 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:51:14" (1/1) ... [2024-11-28 04:51:14,917 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:51:14" (1/1) ... [2024-11-28 04:51:14,918 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:51:14" (1/1) ... [2024-11-28 04:51:14,921 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:51:14" (1/1) ... [2024-11-28 04:51:14,923 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:51:14" (1/1) ... [2024-11-28 04:51:14,924 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:51:14" (1/1) ... [2024-11-28 04:51:14,926 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-28 04:51:14,927 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-28 04:51:14,927 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-28 04:51:14,927 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-28 04:51:14,928 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:51:14" (1/1) ... [2024-11-28 04:51:14,934 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 04:51:14,950 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30cd4c87-34d4-4739-b6ee-30c8a5a9f7ac/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:51:14,965 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30cd4c87-34d4-4739-b6ee-30c8a5a9f7ac/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-28 04:51:14,973 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30cd4c87-34d4-4739-b6ee-30c8a5a9f7ac/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-28 04:51:15,002 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-28 04:51:15,002 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-28 04:51:15,002 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-28 04:51:15,003 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-28 04:51:15,003 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-28 04:51:15,003 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-28 04:51:15,102 INFO L234 CfgBuilder]: Building ICFG [2024-11-28 04:51:15,104 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-28 04:51:15,499 INFO L? ?]: Removed 10 outVars from TransFormulas that were not future-live. [2024-11-28 04:51:15,499 INFO L283 CfgBuilder]: Performing block encoding [2024-11-28 04:51:15,515 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-28 04:51:15,515 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-28 04:51:15,516 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:51:15 BoogieIcfgContainer [2024-11-28 04:51:15,516 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-28 04:51:15,519 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-28 04:51:15,519 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-28 04:51:15,524 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-28 04:51:15,524 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 04:51:14" (1/3) ... [2024-11-28 04:51:15,525 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@120c70b2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 04:51:15, skipping insertion in model container [2024-11-28 04:51:15,526 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:51:14" (2/3) ... [2024-11-28 04:51:15,526 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@120c70b2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 04:51:15, skipping insertion in model container [2024-11-28 04:51:15,527 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:51:15" (3/3) ... [2024-11-28 04:51:15,529 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount25_file-19.i [2024-11-28 04:51:15,545 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-28 04:51:15,547 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_operatoramount_amount25_file-19.i that has 2 procedures, 59 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-28 04:51:15,620 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-28 04:51:15,633 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;@c185961, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-28 04:51:15,633 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-28 04:51:15,637 INFO L276 IsEmpty]: Start isEmpty. Operand has 59 states, 39 states have (on average 1.3333333333333333) internal successors, (52), 40 states have internal predecessors, (52), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-11-28 04:51:15,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2024-11-28 04:51:15,647 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:51:15,648 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:51:15,648 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:51:15,653 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:51:15,653 INFO L85 PathProgramCache]: Analyzing trace with hash -562109802, now seen corresponding path program 1 times [2024-11-28 04:51:15,661 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:51:15,661 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [397109569] [2024-11-28 04:51:15,661 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:51:15,662 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:51:15,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:51:15,927 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 32 refuted. 0 times theorem prover too weak. 512 trivial. 0 not checked. [2024-11-28 04:51:15,927 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:51:15,927 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [397109569] [2024-11-28 04:51:15,928 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [397109569] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 04:51:15,928 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [867687707] [2024-11-28 04:51:15,928 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:51:15,928 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:51:15,928 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30cd4c87-34d4-4739-b6ee-30c8a5a9f7ac/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:51:15,932 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30cd4c87-34d4-4739-b6ee-30c8a5a9f7ac/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 04:51:15,933 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30cd4c87-34d4-4739-b6ee-30c8a5a9f7ac/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-28 04:51:16,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:51:16,150 INFO L256 TraceCheckSpWp]: Trace formula consists of 260 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-28 04:51:16,165 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:51:16,205 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 512 trivial. 0 not checked. [2024-11-28 04:51:16,206 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 04:51:16,206 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [867687707] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:51:16,206 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 04:51:16,206 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-11-28 04:51:16,213 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [538261455] [2024-11-28 04:51:16,214 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:51:16,219 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-28 04:51:16,219 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:51:16,240 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-28 04:51:16,241 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-28 04:51:16,245 INFO L87 Difference]: Start difference. First operand has 59 states, 39 states have (on average 1.3333333333333333) internal successors, (52), 40 states have internal predecessors, (52), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) Second operand has 2 states, 2 states have (on average 16.5) internal successors, (33), 2 states have internal predecessors, (33), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-28 04:51:16,268 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:51:16,269 INFO L93 Difference]: Finished difference Result 111 states and 183 transitions. [2024-11-28 04:51:16,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-28 04:51:16,271 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 16.5) internal successors, (33), 2 states have internal predecessors, (33), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 2 states have call successors, (17) Word has length 113 [2024-11-28 04:51:16,271 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:51:16,277 INFO L225 Difference]: With dead ends: 111 [2024-11-28 04:51:16,277 INFO L226 Difference]: Without dead ends: 55 [2024-11-28 04:51:16,280 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 114 GetRequests, 114 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-28 04:51:16,283 INFO L435 NwaCegarLoop]: 79 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, 79 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 [2024-11-28 04:51:16,284 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 79 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 04:51:16,298 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2024-11-28 04:51:16,324 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 55. [2024-11-28 04:51:16,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 55 states, 36 states have (on average 1.25) internal successors, (45), 36 states have internal predecessors, (45), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-11-28 04:51:16,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 79 transitions. [2024-11-28 04:51:16,332 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 79 transitions. Word has length 113 [2024-11-28 04:51:16,333 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:51:16,334 INFO L471 AbstractCegarLoop]: Abstraction has 55 states and 79 transitions. [2024-11-28 04:51:16,334 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 16.5) internal successors, (33), 2 states have internal predecessors, (33), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-28 04:51:16,334 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 79 transitions. [2024-11-28 04:51:16,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2024-11-28 04:51:16,339 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:51:16,339 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:51:16,349 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30cd4c87-34d4-4739-b6ee-30c8a5a9f7ac/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-28 04:51:16,539 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30cd4c87-34d4-4739-b6ee-30c8a5a9f7ac/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:51:16,540 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:51:16,540 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:51:16,540 INFO L85 PathProgramCache]: Analyzing trace with hash 51368796, now seen corresponding path program 1 times [2024-11-28 04:51:16,541 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:51:16,541 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1746966840] [2024-11-28 04:51:16,541 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:51:16,541 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:51:16,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 04:51:16,762 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 04:51:16,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 04:51:16,947 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-28 04:51:16,947 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-11-28 04:51:16,948 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-28 04:51:16,951 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-28 04:51:16,955 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1] [2024-11-28 04:51:17,038 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-28 04:51:17,041 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 04:51:17 BoogieIcfgContainer [2024-11-28 04:51:17,041 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-28 04:51:17,042 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-28 04:51:17,042 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-28 04:51:17,042 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-28 04:51:17,043 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:51:15" (3/4) ... [2024-11-28 04:51:17,045 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-28 04:51:17,046 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-28 04:51:17,047 INFO L158 Benchmark]: Toolchain (without parser) took 2586.67ms. Allocated memory is still 142.6MB. Free memory was 119.5MB in the beginning and 61.7MB in the end (delta: 57.8MB). Peak memory consumption was 55.5MB. Max. memory is 16.1GB. [2024-11-28 04:51:17,047 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 142.6MB. Free memory is still 81.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 04:51:17,048 INFO L158 Benchmark]: CACSL2BoogieTranslator took 329.76ms. Allocated memory is still 142.6MB. Free memory was 119.3MB in the beginning and 106.5MB in the end (delta: 12.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-28 04:51:17,048 INFO L158 Benchmark]: Boogie Procedure Inliner took 57.83ms. Allocated memory is still 142.6MB. Free memory was 106.5MB in the beginning and 104.5MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 04:51:17,048 INFO L158 Benchmark]: Boogie Preprocessor took 71.70ms. Allocated memory is still 142.6MB. Free memory was 104.3MB in the beginning and 102.2MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 04:51:17,049 INFO L158 Benchmark]: RCFGBuilder took 589.63ms. Allocated memory is still 142.6MB. Free memory was 102.0MB in the beginning and 85.5MB in the end (delta: 16.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-28 04:51:17,049 INFO L158 Benchmark]: TraceAbstraction took 1522.79ms. Allocated memory is still 142.6MB. Free memory was 85.0MB in the beginning and 62.3MB in the end (delta: 22.7MB). Peak memory consumption was 22.0MB. Max. memory is 16.1GB. [2024-11-28 04:51:17,049 INFO L158 Benchmark]: Witness Printer took 4.29ms. Allocated memory is still 142.6MB. Free memory was 62.3MB in the beginning and 61.7MB in the end (delta: 598.1kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 04:51:17,052 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 142.6MB. Free memory is still 81.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 329.76ms. Allocated memory is still 142.6MB. Free memory was 119.3MB in the beginning and 106.5MB in the end (delta: 12.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 57.83ms. Allocated memory is still 142.6MB. Free memory was 106.5MB in the beginning and 104.5MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 71.70ms. Allocated memory is still 142.6MB. Free memory was 104.3MB in the beginning and 102.2MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 589.63ms. Allocated memory is still 142.6MB. Free memory was 102.0MB in the beginning and 85.5MB in the end (delta: 16.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 1522.79ms. Allocated memory is still 142.6MB. Free memory was 85.0MB in the beginning and 62.3MB in the end (delta: 22.7MB). Peak memory consumption was 22.0MB. Max. memory is 16.1GB. * Witness Printer took 4.29ms. Allocated memory is still 142.6MB. Free memory was 62.3MB in the beginning and 61.7MB in the end (delta: 598.1kB). 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 someBinaryFLOATComparisonOperation at line 89, overapproximation of someBinaryFLOATComparisonOperation at line 87, overapproximation of someBinaryFLOATComparisonOperation at line 97, overapproximation of someBinaryFLOATComparisonOperation at line 91, overapproximation of someBinaryArithmeticFLOAToperation at line 50. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed char var_1_1 = 8; [L23] unsigned char var_1_2 = 128; [L24] unsigned char var_1_3 = 64; [L25] unsigned long int var_1_4 = 1; [L26] unsigned long int var_1_5 = 5; [L27] signed char var_1_7 = 4; [L28] signed char var_1_8 = 100; [L29] unsigned char var_1_9 = 1; [L30] signed long int var_1_10 = -8; [L31] float var_1_11 = 255.2; [L32] float var_1_12 = 128.25; [L33] float var_1_13 = 100.5; [L34] float var_1_14 = 255.9; [L35] signed long int var_1_15 = -128; [L36] unsigned short int var_1_16 = 2; [L37] signed long int last_1_var_1_10 = -8; VAL [isInitial=0, last_1_var_1_10=-8, var_1_10=-8, var_1_11=1276/5, var_1_12=513/4, var_1_13=201/2, var_1_14=2559/10, var_1_15=-128, var_1_16=2, var_1_1=8, var_1_2=128, var_1_3=64, var_1_4=1, var_1_5=5, var_1_7=4, var_1_8=100, var_1_9=1] [L101] isInitial = 1 [L102] FCALL initially() [L104] CALL updateLastVariables() [L94] last_1_var_1_10 = var_1_10 VAL [isInitial=1, last_1_var_1_10=-8, var_1_10=-8, var_1_11=1276/5, var_1_12=513/4, var_1_13=201/2, var_1_14=2559/10, var_1_15=-128, var_1_16=2, var_1_1=8, var_1_2=128, var_1_3=64, var_1_4=1, var_1_5=5, var_1_7=4, var_1_8=100, var_1_9=1] [L104] RET updateLastVariables() [L105] CALL updateVariables() [L65] var_1_2 = __VERIFIER_nondet_uchar() [L66] CALL assume_abort_if_not(var_1_2 >= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-8, var_1_10=-8, var_1_11=1276/5, var_1_12=513/4, var_1_13=201/2, var_1_14=2559/10, var_1_15=-128, var_1_16=2, var_1_1=8, var_1_2=127, var_1_3=64, var_1_4=1, var_1_5=5, var_1_7=4, var_1_8=100, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-8, var_1_10=-8, var_1_11=1276/5, var_1_12=513/4, var_1_13=201/2, var_1_14=2559/10, var_1_15=-128, var_1_16=2, var_1_1=8, var_1_2=127, var_1_3=64, var_1_4=1, var_1_5=5, var_1_7=4, var_1_8=100, var_1_9=1] [L66] RET assume_abort_if_not(var_1_2 >= 127) VAL [isInitial=1, last_1_var_1_10=-8, var_1_10=-8, var_1_11=1276/5, var_1_12=513/4, var_1_13=201/2, var_1_14=2559/10, var_1_15=-128, var_1_16=2, var_1_1=8, var_1_2=127, var_1_3=64, var_1_4=1, var_1_5=5, var_1_7=4, var_1_8=100, var_1_9=1] [L67] CALL assume_abort_if_not(var_1_2 <= 255) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-8, var_1_10=-8, var_1_11=1276/5, var_1_12=513/4, var_1_13=201/2, var_1_14=2559/10, var_1_15=-128, var_1_16=2, var_1_1=8, var_1_2=127, var_1_3=64, var_1_4=1, var_1_5=5, var_1_7=4, var_1_8=100, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-8, var_1_10=-8, var_1_11=1276/5, var_1_12=513/4, var_1_13=201/2, var_1_14=2559/10, var_1_15=-128, var_1_16=2, var_1_1=8, var_1_2=127, var_1_3=64, var_1_4=1, var_1_5=5, var_1_7=4, var_1_8=100, var_1_9=1] [L67] RET assume_abort_if_not(var_1_2 <= 255) VAL [isInitial=1, last_1_var_1_10=-8, var_1_10=-8, var_1_11=1276/5, var_1_12=513/4, var_1_13=201/2, var_1_14=2559/10, var_1_15=-128, var_1_16=2, var_1_1=8, var_1_2=127, var_1_3=64, var_1_4=1, var_1_5=5, var_1_7=4, var_1_8=100, var_1_9=1] [L68] var_1_3 = __VERIFIER_nondet_uchar() [L69] CALL assume_abort_if_not(var_1_3 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-8, var_1_10=-8, var_1_11=1276/5, var_1_12=513/4, var_1_13=201/2, var_1_14=2559/10, var_1_15=-128, var_1_16=2, var_1_1=8, var_1_2=127, var_1_4=1, var_1_5=5, var_1_7=4, var_1_8=100, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-8, var_1_10=-8, var_1_11=1276/5, var_1_12=513/4, var_1_13=201/2, var_1_14=2559/10, var_1_15=-128, var_1_16=2, var_1_1=8, var_1_2=127, var_1_4=1, var_1_5=5, var_1_7=4, var_1_8=100, var_1_9=1] [L69] RET assume_abort_if_not(var_1_3 >= 0) VAL [isInitial=1, last_1_var_1_10=-8, var_1_10=-8, var_1_11=1276/5, var_1_12=513/4, var_1_13=201/2, var_1_14=2559/10, var_1_15=-128, var_1_16=2, var_1_1=8, var_1_2=127, var_1_4=1, var_1_5=5, var_1_7=4, var_1_8=100, var_1_9=1] [L70] CALL assume_abort_if_not(var_1_3 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-8, var_1_10=-8, var_1_11=1276/5, var_1_12=513/4, var_1_13=201/2, var_1_14=2559/10, var_1_15=-128, var_1_16=2, var_1_1=8, var_1_2=127, var_1_3=63, var_1_4=1, var_1_5=5, var_1_7=4, var_1_8=100, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-8, var_1_10=-8, var_1_11=1276/5, var_1_12=513/4, var_1_13=201/2, var_1_14=2559/10, var_1_15=-128, var_1_16=2, var_1_1=8, var_1_2=127, var_1_3=63, var_1_4=1, var_1_5=5, var_1_7=4, var_1_8=100, var_1_9=1] [L70] RET assume_abort_if_not(var_1_3 <= 127) VAL [isInitial=1, last_1_var_1_10=-8, var_1_10=-8, var_1_11=1276/5, var_1_12=513/4, var_1_13=201/2, var_1_14=2559/10, var_1_15=-128, var_1_16=2, var_1_1=8, var_1_2=127, var_1_3=63, var_1_4=1, var_1_5=5, var_1_7=4, var_1_8=100, var_1_9=1] [L71] var_1_4 = __VERIFIER_nondet_ulong() [L72] CALL assume_abort_if_not(var_1_4 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-8, var_1_10=-8, var_1_11=1276/5, var_1_12=513/4, var_1_13=201/2, var_1_14=2559/10, var_1_15=-128, var_1_16=2, var_1_1=8, var_1_2=127, var_1_3=63, var_1_5=5, var_1_7=4, var_1_8=100, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-8, var_1_10=-8, var_1_11=1276/5, var_1_12=513/4, var_1_13=201/2, var_1_14=2559/10, var_1_15=-128, var_1_16=2, var_1_1=8, var_1_2=127, var_1_3=63, var_1_5=5, var_1_7=4, var_1_8=100, var_1_9=1] [L72] RET assume_abort_if_not(var_1_4 >= 0) VAL [isInitial=1, last_1_var_1_10=-8, var_1_10=-8, var_1_11=1276/5, var_1_12=513/4, var_1_13=201/2, var_1_14=2559/10, var_1_15=-128, var_1_16=2, var_1_1=8, var_1_2=127, var_1_3=63, var_1_5=5, var_1_7=4, var_1_8=100, var_1_9=1] [L73] CALL assume_abort_if_not(var_1_4 <= 12) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-8, var_1_10=-8, var_1_11=1276/5, var_1_12=513/4, var_1_13=201/2, var_1_14=2559/10, var_1_15=-128, var_1_16=2, var_1_1=8, var_1_2=127, var_1_3=63, var_1_4=0, var_1_5=5, var_1_7=4, var_1_8=100, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-8, var_1_10=-8, var_1_11=1276/5, var_1_12=513/4, var_1_13=201/2, var_1_14=2559/10, var_1_15=-128, var_1_16=2, var_1_1=8, var_1_2=127, var_1_3=63, var_1_4=0, var_1_5=5, var_1_7=4, var_1_8=100, var_1_9=1] [L73] RET assume_abort_if_not(var_1_4 <= 12) VAL [isInitial=1, last_1_var_1_10=-8, var_1_10=-8, var_1_11=1276/5, var_1_12=513/4, var_1_13=201/2, var_1_14=2559/10, var_1_15=-128, var_1_16=2, var_1_1=8, var_1_2=127, var_1_3=63, var_1_4=0, var_1_5=5, var_1_7=4, var_1_8=100, var_1_9=1] [L74] var_1_5 = __VERIFIER_nondet_ulong() [L75] CALL assume_abort_if_not(var_1_5 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-8, var_1_10=-8, var_1_11=1276/5, var_1_12=513/4, var_1_13=201/2, var_1_14=2559/10, var_1_15=-128, var_1_16=2, var_1_1=8, var_1_2=127, var_1_3=63, var_1_4=0, var_1_7=4, var_1_8=100, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-8, var_1_10=-8, var_1_11=1276/5, var_1_12=513/4, var_1_13=201/2, var_1_14=2559/10, var_1_15=-128, var_1_16=2, var_1_1=8, var_1_2=127, var_1_3=63, var_1_4=0, var_1_7=4, var_1_8=100, var_1_9=1] [L75] RET assume_abort_if_not(var_1_5 >= 0) VAL [isInitial=1, last_1_var_1_10=-8, var_1_10=-8, var_1_11=1276/5, var_1_12=513/4, var_1_13=201/2, var_1_14=2559/10, var_1_15=-128, var_1_16=2, var_1_1=8, var_1_2=127, var_1_3=63, var_1_4=0, var_1_7=4, var_1_8=100, var_1_9=1] [L76] CALL assume_abort_if_not(var_1_5 <= 11) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-8, var_1_10=-8, var_1_11=1276/5, var_1_12=513/4, var_1_13=201/2, var_1_14=2559/10, var_1_15=-128, var_1_16=2, var_1_1=8, var_1_2=127, var_1_3=63, var_1_4=0, var_1_5=0, var_1_7=4, var_1_8=100, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-8, var_1_10=-8, var_1_11=1276/5, var_1_12=513/4, var_1_13=201/2, var_1_14=2559/10, var_1_15=-128, var_1_16=2, var_1_1=8, var_1_2=127, var_1_3=63, var_1_4=0, var_1_5=0, var_1_7=4, var_1_8=100, var_1_9=1] [L76] RET assume_abort_if_not(var_1_5 <= 11) VAL [isInitial=1, last_1_var_1_10=-8, var_1_10=-8, var_1_11=1276/5, var_1_12=513/4, var_1_13=201/2, var_1_14=2559/10, var_1_15=-128, var_1_16=2, var_1_1=8, var_1_2=127, var_1_3=63, var_1_4=0, var_1_5=0, var_1_7=4, var_1_8=100, var_1_9=1] [L77] var_1_7 = __VERIFIER_nondet_char() [L78] CALL assume_abort_if_not(var_1_7 >= -63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-8, var_1_10=-8, var_1_11=1276/5, var_1_12=513/4, var_1_13=201/2, var_1_14=2559/10, var_1_15=-128, var_1_16=2, var_1_1=8, var_1_2=127, var_1_3=63, var_1_4=0, var_1_5=0, var_1_7=63, var_1_8=100, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-8, var_1_10=-8, var_1_11=1276/5, var_1_12=513/4, var_1_13=201/2, var_1_14=2559/10, var_1_15=-128, var_1_16=2, var_1_1=8, var_1_2=127, var_1_3=63, var_1_4=0, var_1_5=0, var_1_7=63, var_1_8=100, var_1_9=1] [L78] RET assume_abort_if_not(var_1_7 >= -63) VAL [isInitial=1, last_1_var_1_10=-8, var_1_10=-8, var_1_11=1276/5, var_1_12=513/4, var_1_13=201/2, var_1_14=2559/10, var_1_15=-128, var_1_16=2, var_1_1=8, var_1_2=127, var_1_3=63, var_1_4=0, var_1_5=0, var_1_7=63, var_1_8=100, var_1_9=1] [L79] CALL assume_abort_if_not(var_1_7 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-8, var_1_10=-8, var_1_11=1276/5, var_1_12=513/4, var_1_13=201/2, var_1_14=2559/10, var_1_15=-128, var_1_16=2, var_1_1=8, var_1_2=127, var_1_3=63, var_1_4=0, var_1_5=0, var_1_7=63, var_1_8=100, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-8, var_1_10=-8, var_1_11=1276/5, var_1_12=513/4, var_1_13=201/2, var_1_14=2559/10, var_1_15=-128, var_1_16=2, var_1_1=8, var_1_2=127, var_1_3=63, var_1_4=0, var_1_5=0, var_1_7=63, var_1_8=100, var_1_9=1] [L79] RET assume_abort_if_not(var_1_7 <= 63) VAL [isInitial=1, last_1_var_1_10=-8, var_1_10=-8, var_1_11=1276/5, var_1_12=513/4, var_1_13=201/2, var_1_14=2559/10, var_1_15=-128, var_1_16=2, var_1_1=8, var_1_2=127, var_1_3=63, var_1_4=0, var_1_5=0, var_1_7=63, var_1_8=100, var_1_9=1] [L80] var_1_8 = __VERIFIER_nondet_char() [L81] CALL assume_abort_if_not(var_1_8 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-8, var_1_10=-8, var_1_11=1276/5, var_1_12=513/4, var_1_13=201/2, var_1_14=2559/10, var_1_15=-128, var_1_16=2, var_1_1=8, var_1_2=127, var_1_3=63, var_1_4=0, var_1_5=0, var_1_7=63, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-8, var_1_10=-8, var_1_11=1276/5, var_1_12=513/4, var_1_13=201/2, var_1_14=2559/10, var_1_15=-128, var_1_16=2, var_1_1=8, var_1_2=127, var_1_3=63, var_1_4=0, var_1_5=0, var_1_7=63, var_1_8=0, var_1_9=1] [L81] RET assume_abort_if_not(var_1_8 >= 0) VAL [isInitial=1, last_1_var_1_10=-8, var_1_10=-8, var_1_11=1276/5, var_1_12=513/4, var_1_13=201/2, var_1_14=2559/10, var_1_15=-128, var_1_16=2, var_1_1=8, var_1_2=127, var_1_3=63, var_1_4=0, var_1_5=0, var_1_7=63, var_1_8=0, var_1_9=1] [L82] CALL assume_abort_if_not(var_1_8 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-8, var_1_10=-8, var_1_11=1276/5, var_1_12=513/4, var_1_13=201/2, var_1_14=2559/10, var_1_15=-128, var_1_16=2, var_1_1=8, var_1_2=127, var_1_3=63, var_1_4=0, var_1_5=0, var_1_7=63, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-8, var_1_10=-8, var_1_11=1276/5, var_1_12=513/4, var_1_13=201/2, var_1_14=2559/10, var_1_15=-128, var_1_16=2, var_1_1=8, var_1_2=127, var_1_3=63, var_1_4=0, var_1_5=0, var_1_7=63, var_1_8=0, var_1_9=1] [L82] RET assume_abort_if_not(var_1_8 <= 126) VAL [isInitial=1, last_1_var_1_10=-8, var_1_10=-8, var_1_11=1276/5, var_1_12=513/4, var_1_13=201/2, var_1_14=2559/10, var_1_15=-128, var_1_16=2, var_1_1=8, var_1_2=127, var_1_3=63, var_1_4=0, var_1_5=0, var_1_7=63, var_1_8=0, var_1_9=1] [L83] var_1_9 = __VERIFIER_nondet_uchar() [L84] CALL assume_abort_if_not(var_1_9 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-8, var_1_10=-8, var_1_11=1276/5, var_1_12=513/4, var_1_13=201/2, var_1_14=2559/10, var_1_15=-128, var_1_16=2, var_1_1=8, var_1_2=127, var_1_3=63, var_1_4=0, var_1_5=0, var_1_7=63, var_1_8=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-8, var_1_10=-8, var_1_11=1276/5, var_1_12=513/4, var_1_13=201/2, var_1_14=2559/10, var_1_15=-128, var_1_16=2, var_1_1=8, var_1_2=127, var_1_3=63, var_1_4=0, var_1_5=0, var_1_7=63, var_1_8=0] [L84] RET assume_abort_if_not(var_1_9 >= 0) VAL [isInitial=1, last_1_var_1_10=-8, var_1_10=-8, var_1_11=1276/5, var_1_12=513/4, var_1_13=201/2, var_1_14=2559/10, var_1_15=-128, var_1_16=2, var_1_1=8, var_1_2=127, var_1_3=63, var_1_4=0, var_1_5=0, var_1_7=63, var_1_8=0] [L85] CALL assume_abort_if_not(var_1_9 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-8, var_1_10=-8, var_1_11=1276/5, var_1_12=513/4, var_1_13=201/2, var_1_14=2559/10, var_1_15=-128, var_1_16=2, var_1_1=8, var_1_2=127, var_1_3=63, var_1_4=0, var_1_5=0, var_1_7=63, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-8, var_1_10=-8, var_1_11=1276/5, var_1_12=513/4, var_1_13=201/2, var_1_14=2559/10, var_1_15=-128, var_1_16=2, var_1_1=8, var_1_2=127, var_1_3=63, var_1_4=0, var_1_5=0, var_1_7=63, var_1_8=0, var_1_9=1] [L85] RET assume_abort_if_not(var_1_9 <= 1) VAL [isInitial=1, last_1_var_1_10=-8, var_1_10=-8, var_1_11=1276/5, var_1_12=513/4, var_1_13=201/2, var_1_14=2559/10, var_1_15=-128, var_1_16=2, var_1_1=8, var_1_2=127, var_1_3=63, var_1_4=0, var_1_5=0, var_1_7=63, var_1_8=0, var_1_9=1] [L86] var_1_12 = __VERIFIER_nondet_float() [L87] CALL assume_abort_if_not((var_1_12 >= -461168.6018427382800e+13F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 4611686.018427382800e+12F && var_1_12 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-8, var_1_10=-8, var_1_11=1276/5, var_1_13=201/2, var_1_14=2559/10, var_1_15=-128, var_1_16=2, var_1_1=8, var_1_2=127, var_1_3=63, var_1_4=0, var_1_5=0, var_1_7=63, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-8, var_1_10=-8, var_1_11=1276/5, var_1_13=201/2, var_1_14=2559/10, var_1_15=-128, var_1_16=2, var_1_1=8, var_1_2=127, var_1_3=63, var_1_4=0, var_1_5=0, var_1_7=63, var_1_8=0, var_1_9=1] [L87] RET assume_abort_if_not((var_1_12 >= -461168.6018427382800e+13F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 4611686.018427382800e+12F && var_1_12 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_10=-8, var_1_10=-8, var_1_11=1276/5, var_1_13=201/2, var_1_14=2559/10, var_1_15=-128, var_1_16=2, var_1_1=8, var_1_2=127, var_1_3=63, var_1_4=0, var_1_5=0, var_1_7=63, var_1_8=0, var_1_9=1] [L88] var_1_13 = __VERIFIER_nondet_float() [L89] CALL assume_abort_if_not((var_1_13 >= -230584.3009213691390e+13F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 2305843.009213691390e+12F && var_1_13 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-8, var_1_10=-8, var_1_11=1276/5, var_1_14=2559/10, var_1_15=-128, var_1_16=2, var_1_1=8, var_1_2=127, var_1_3=63, var_1_4=0, var_1_5=0, var_1_7=63, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-8, var_1_10=-8, var_1_11=1276/5, var_1_14=2559/10, var_1_15=-128, var_1_16=2, var_1_1=8, var_1_2=127, var_1_3=63, var_1_4=0, var_1_5=0, var_1_7=63, var_1_8=0, var_1_9=1] [L89] RET assume_abort_if_not((var_1_13 >= -230584.3009213691390e+13F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 2305843.009213691390e+12F && var_1_13 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_10=-8, var_1_10=-8, var_1_11=1276/5, var_1_14=2559/10, var_1_15=-128, var_1_16=2, var_1_1=8, var_1_2=127, var_1_3=63, var_1_4=0, var_1_5=0, var_1_7=63, var_1_8=0, var_1_9=1] [L90] var_1_14 = __VERIFIER_nondet_float() [L91] CALL assume_abort_if_not((var_1_14 >= -230584.3009213691390e+13F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 2305843.009213691390e+12F && var_1_14 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-8, var_1_10=-8, var_1_11=1276/5, var_1_15=-128, var_1_16=2, var_1_1=8, var_1_2=127, var_1_3=63, var_1_4=0, var_1_5=0, var_1_7=63, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-8, var_1_10=-8, var_1_11=1276/5, var_1_15=-128, var_1_16=2, var_1_1=8, var_1_2=127, var_1_3=63, var_1_4=0, var_1_5=0, var_1_7=63, var_1_8=0, var_1_9=1] [L91] RET assume_abort_if_not((var_1_14 >= -230584.3009213691390e+13F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 2305843.009213691390e+12F && var_1_14 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_10=-8, var_1_10=-8, var_1_11=1276/5, var_1_15=-128, var_1_16=2, var_1_1=8, var_1_2=127, var_1_3=63, var_1_4=0, var_1_5=0, var_1_7=63, var_1_8=0, var_1_9=1] [L105] RET updateVariables() [L106] CALL step() [L41] COND FALSE !(var_1_7 < var_1_3) VAL [isInitial=1, last_1_var_1_10=-8, var_1_10=-8, var_1_11=1276/5, var_1_15=-128, var_1_16=2, var_1_1=8, var_1_2=127, var_1_3=63, var_1_4=0, var_1_5=0, var_1_7=63, var_1_8=0, var_1_9=1] [L46] COND TRUE \read(var_1_9) [L47] var_1_10 = var_1_5 VAL [isInitial=1, last_1_var_1_10=-8, var_1_10=0, var_1_11=1276/5, var_1_15=-128, var_1_16=2, var_1_1=8, var_1_2=127, var_1_3=63, var_1_4=0, var_1_5=0, var_1_7=63, var_1_8=0, var_1_9=1] [L50] var_1_11 = (var_1_12 + (var_1_13 + var_1_14)) [L51] var_1_16 = 64 VAL [isInitial=1, last_1_var_1_10=-8, var_1_10=0, var_1_15=-128, var_1_16=64, var_1_1=8, var_1_2=127, var_1_3=63, var_1_4=0, var_1_5=0, var_1_7=63, var_1_8=0, var_1_9=1] [L52] COND TRUE \read(var_1_9) [L53] var_1_15 = (var_1_7 + var_1_16) VAL [isInitial=1, last_1_var_1_10=-8, var_1_10=0, var_1_15=127, var_1_16=64, var_1_1=8, var_1_2=127, var_1_3=63, var_1_4=0, var_1_5=0, var_1_7=63, var_1_8=0, var_1_9=1] [L55] signed long int stepLocal_0 = var_1_15; VAL [isInitial=1, last_1_var_1_10=-8, stepLocal_0=127, var_1_10=0, var_1_15=127, var_1_16=64, var_1_1=8, var_1_2=127, var_1_3=63, var_1_4=0, var_1_5=0, var_1_7=63, var_1_8=0, var_1_9=1] [L56] EXPR (var_1_2 - var_1_3) << (var_1_4 + var_1_5) VAL [isInitial=1, last_1_var_1_10=-8, stepLocal_0=127, var_1_10=0, var_1_15=127, var_1_16=64, var_1_1=8, var_1_2=127, var_1_3=63, var_1_4=0, var_1_5=0, var_1_7=63, var_1_8=0, var_1_9=1] [L56] COND TRUE ((var_1_2 - var_1_3) << (var_1_4 + var_1_5)) <= stepLocal_0 [L57] var_1_1 = ((((var_1_4) > (((((var_1_8) < 0 ) ? -(var_1_8) : (var_1_8))))) ? (var_1_4) : (((((var_1_8) < 0 ) ? -(var_1_8) : (var_1_8)))))) VAL [isInitial=1, last_1_var_1_10=-8, var_1_10=0, var_1_15=127, var_1_16=64, var_1_1=0, var_1_2=127, var_1_3=63, var_1_4=0, var_1_5=0, var_1_7=63, var_1_8=0, var_1_9=1] [L106] RET step() [L107] CALL, EXPR property() [L97] EXPR (var_1_2 - var_1_3) << (var_1_4 + var_1_5) VAL [isInitial=1, last_1_var_1_10=-8, var_1_10=0, var_1_15=127, var_1_16=64, var_1_1=0, var_1_2=127, var_1_3=63, var_1_4=0, var_1_5=0, var_1_7=63, var_1_8=0, var_1_9=1] [L97-L98] return (((((((var_1_2 - var_1_3) << (var_1_4 + var_1_5)) <= var_1_15) ? (var_1_1 == ((signed char) ((((var_1_4) > (((((var_1_8) < 0 ) ? -(var_1_8) : (var_1_8))))) ? (var_1_4) : (((((var_1_8) < 0 ) ? -(var_1_8) : (var_1_8)))))))) : (var_1_9 ? (var_1_1 == ((signed char) var_1_5)) : 1)) && ((var_1_7 < var_1_3) ? ((last_1_var_1_10 > var_1_7) ? (var_1_10 == ((signed long int) (var_1_3 - var_1_8))) : 1) : (var_1_9 ? (var_1_10 == ((signed long int) var_1_5)) : 1))) && (var_1_11 == ((float) (var_1_12 + (var_1_13 + var_1_14))))) && (var_1_9 ? (var_1_15 == ((signed long int) (var_1_7 + var_1_16))) : 1)) && (var_1_16 == ((unsigned short int) 64)) ; [L107] RET, EXPR property() [L107] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, last_1_var_1_10=-8, var_1_10=0, var_1_15=127, var_1_16=64, var_1_1=0, var_1_2=127, var_1_3=63, var_1_4=0, var_1_5=0, var_1_7=63, var_1_8=0, var_1_9=1] [L19] reach_error() VAL [isInitial=1, last_1_var_1_10=-8, var_1_10=0, var_1_15=127, var_1_16=64, var_1_1=0, var_1_2=127, var_1_3=63, var_1_4=0, var_1_5=0, var_1_7=63, var_1_8=0, var_1_9=1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 59 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.4s, OverallIterations: 2, TraceHistogramMax: 17, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 79 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 0 IncrementalHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 79 mSDtfsCounter, 0 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 114 GetRequests, 114 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=59occurred in iteration=0, InterpolantAutomatonStates: 2, 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, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 339 NumberOfCodeBlocks, 339 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 224 ConstructedInterpolants, 0 QuantifiedInterpolants, 224 SizeOfPredicates, 0 NumberOfNonLiveVariables, 260 ConjunctsInSsa, 1 ConjunctsInUnsatCore, 2 InterpolantComputations, 1 PerfectInterpolantSequences, 1056/1088 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 [2024-11-28 04:51:17,072 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30cd4c87-34d4-4739-b6ee-30c8a5a9f7ac/bin/uautomizer-verify-aQ6SnzHsRB/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_30cd4c87-34d4-4739-b6ee-30c8a5a9f7ac/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30cd4c87-34d4-4739-b6ee-30c8a5a9f7ac/bin/uautomizer-verify-aQ6SnzHsRB/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30cd4c87-34d4-4739-b6ee-30c8a5a9f7ac/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30cd4c87-34d4-4739-b6ee-30c8a5a9f7ac/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-19.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30cd4c87-34d4-4739-b6ee-30c8a5a9f7ac/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30cd4c87-34d4-4739-b6ee-30c8a5a9f7ac/bin/uautomizer-verify-aQ6SnzHsRB --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 06f837d7928db541d2d48c927f11a6eb52920c5b0369de6ffc2b007ce4b98eea --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-28 04:51:19,693 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 04:51:19,828 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30cd4c87-34d4-4739-b6ee-30c8a5a9f7ac/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-28 04:51:19,839 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 04:51:19,843 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 04:51:19,885 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 04:51:19,886 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 04:51:19,886 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 04:51:19,887 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-28 04:51:19,887 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-28 04:51:19,888 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-28 04:51:19,888 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-28 04:51:19,888 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 04:51:19,888 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 04:51:19,890 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 04:51:19,890 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 04:51:19,890 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-28 04:51:19,890 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-28 04:51:19,890 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-28 04:51:19,890 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 04:51:19,891 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-28 04:51:19,891 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-28 04:51:19,891 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-28 04:51:19,891 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-28 04:51:19,891 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-28 04:51:19,891 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-28 04:51:19,891 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-28 04:51:19,891 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-28 04:51:19,891 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 04:51:19,891 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 04:51:19,891 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-28 04:51:19,891 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 04:51:19,892 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 04:51:19,892 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 04:51:19,893 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 04:51:19,893 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 04:51:19,893 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 04:51:19,893 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 04:51:19,893 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 04:51:19,893 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 04:51:19,893 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 04:51:19,894 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-28 04:51:19,894 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-28 04:51:19,894 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-28 04:51:19,894 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-11-28 04:51:19,894 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-28 04:51:19,895 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-28 04:51:19,895 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-28 04:51:19,895 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-28 04:51:19,895 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-28 04:51:19,895 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_30cd4c87-34d4-4739-b6ee-30c8a5a9f7ac/bin/uautomizer-verify-aQ6SnzHsRB 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 -> 06f837d7928db541d2d48c927f11a6eb52920c5b0369de6ffc2b007ce4b98eea [2024-11-28 04:51:20,241 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 04:51:20,251 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 04:51:20,255 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 04:51:20,256 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 04:51:20,257 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 04:51:20,259 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30cd4c87-34d4-4739-b6ee-30c8a5a9f7ac/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-19.i [2024-11-28 04:51:23,235 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30cd4c87-34d4-4739-b6ee-30c8a5a9f7ac/bin/uautomizer-verify-aQ6SnzHsRB/data/57cf6f246/d0d78f14e5cd4a478a34e97113d25cbf/FLAG0b2cc7fea [2024-11-28 04:51:23,517 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 04:51:23,518 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30cd4c87-34d4-4739-b6ee-30c8a5a9f7ac/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-19.i [2024-11-28 04:51:23,530 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30cd4c87-34d4-4739-b6ee-30c8a5a9f7ac/bin/uautomizer-verify-aQ6SnzHsRB/data/57cf6f246/d0d78f14e5cd4a478a34e97113d25cbf/FLAG0b2cc7fea [2024-11-28 04:51:23,809 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30cd4c87-34d4-4739-b6ee-30c8a5a9f7ac/bin/uautomizer-verify-aQ6SnzHsRB/data/57cf6f246/d0d78f14e5cd4a478a34e97113d25cbf [2024-11-28 04:51:23,811 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 04:51:23,813 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 04:51:23,816 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 04:51:23,816 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 04:51:23,821 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 04:51:23,822 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:51:23" (1/1) ... [2024-11-28 04:51:23,823 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@433cca7f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:51:23, skipping insertion in model container [2024-11-28 04:51:23,823 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:51:23" (1/1) ... [2024-11-28 04:51:23,842 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 04:51:24,012 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_30cd4c87-34d4-4739-b6ee-30c8a5a9f7ac/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-19.i[915,928] [2024-11-28 04:51:24,083 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 04:51:24,104 INFO L200 MainTranslator]: Completed pre-run [2024-11-28 04:51:24,118 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_30cd4c87-34d4-4739-b6ee-30c8a5a9f7ac/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-19.i[915,928] [2024-11-28 04:51:24,150 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 04:51:24,169 INFO L204 MainTranslator]: Completed translation [2024-11-28 04:51:24,170 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:51:24 WrapperNode [2024-11-28 04:51:24,170 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 04:51:24,171 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-28 04:51:24,171 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-28 04:51:24,171 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-28 04:51:24,176 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:51:24" (1/1) ... [2024-11-28 04:51:24,186 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:51:24" (1/1) ... [2024-11-28 04:51:24,207 INFO L138 Inliner]: procedures = 27, calls = 30, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 111 [2024-11-28 04:51:24,207 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-28 04:51:24,208 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-28 04:51:24,208 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-28 04:51:24,208 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-28 04:51:24,217 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:51:24" (1/1) ... [2024-11-28 04:51:24,217 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:51:24" (1/1) ... [2024-11-28 04:51:24,221 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:51:24" (1/1) ... [2024-11-28 04:51:24,233 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]. [2024-11-28 04:51:24,233 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:51:24" (1/1) ... [2024-11-28 04:51:24,233 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:51:24" (1/1) ... [2024-11-28 04:51:24,246 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:51:24" (1/1) ... [2024-11-28 04:51:24,247 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:51:24" (1/1) ... [2024-11-28 04:51:24,251 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:51:24" (1/1) ... [2024-11-28 04:51:24,253 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:51:24" (1/1) ... [2024-11-28 04:51:24,254 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:51:24" (1/1) ... [2024-11-28 04:51:24,256 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-28 04:51:24,257 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-28 04:51:24,258 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-28 04:51:24,258 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-28 04:51:24,259 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:51:24" (1/1) ... [2024-11-28 04:51:24,265 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 04:51:24,277 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30cd4c87-34d4-4739-b6ee-30c8a5a9f7ac/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:51:24,289 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30cd4c87-34d4-4739-b6ee-30c8a5a9f7ac/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-28 04:51:24,292 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30cd4c87-34d4-4739-b6ee-30c8a5a9f7ac/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-28 04:51:24,317 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-28 04:51:24,317 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-28 04:51:24,317 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-28 04:51:24,317 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-28 04:51:24,317 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-28 04:51:24,317 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-28 04:51:24,405 INFO L234 CfgBuilder]: Building ICFG [2024-11-28 04:51:24,407 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-28 04:51:25,258 INFO L? ?]: Removed 10 outVars from TransFormulas that were not future-live. [2024-11-28 04:51:25,258 INFO L283 CfgBuilder]: Performing block encoding [2024-11-28 04:51:25,269 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-28 04:51:25,269 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-28 04:51:25,269 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:51:25 BoogieIcfgContainer [2024-11-28 04:51:25,269 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-28 04:51:25,273 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-28 04:51:25,273 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-28 04:51:25,278 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-28 04:51:25,279 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 04:51:23" (1/3) ... [2024-11-28 04:51:25,279 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c359af and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 04:51:25, skipping insertion in model container [2024-11-28 04:51:25,280 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:51:24" (2/3) ... [2024-11-28 04:51:25,280 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c359af and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 04:51:25, skipping insertion in model container [2024-11-28 04:51:25,280 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:51:25" (3/3) ... [2024-11-28 04:51:25,281 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount25_file-19.i [2024-11-28 04:51:25,298 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-28 04:51:25,299 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_operatoramount_amount25_file-19.i that has 2 procedures, 54 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-28 04:51:25,357 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-28 04:51:25,368 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;@42ea385d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-28 04:51:25,369 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-28 04:51:25,373 INFO L276 IsEmpty]: Start isEmpty. Operand has 54 states, 34 states have (on average 1.3235294117647058) internal successors, (45), 35 states have internal predecessors, (45), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-11-28 04:51:25,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2024-11-28 04:51:25,403 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:51:25,404 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:51:25,404 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:51:25,409 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:51:25,410 INFO L85 PathProgramCache]: Analyzing trace with hash 1979840240, now seen corresponding path program 1 times [2024-11-28 04:51:25,419 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 04:51:25,420 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1018361303] [2024-11-28 04:51:25,420 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:51:25,421 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 [2024-11-28 04:51:25,421 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30cd4c87-34d4-4739-b6ee-30c8a5a9f7ac/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 04:51:25,425 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30cd4c87-34d4-4739-b6ee-30c8a5a9f7ac/bin/uautomizer-verify-aQ6SnzHsRB/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) [2024-11-28 04:51:25,427 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30cd4c87-34d4-4739-b6ee-30c8a5a9f7ac/bin/uautomizer-verify-aQ6SnzHsRB/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 [2024-11-28 04:51:25,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:51:25,760 INFO L256 TraceCheckSpWp]: Trace formula consists of 179 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-28 04:51:25,769 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:51:25,813 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 284 proven. 0 refuted. 0 times theorem prover too weak. 260 trivial. 0 not checked. [2024-11-28 04:51:25,813 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 04:51:25,813 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 04:51:25,814 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1018361303] [2024-11-28 04:51:25,814 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1018361303] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:51:25,814 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:51:25,814 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 04:51:25,819 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1817322226] [2024-11-28 04:51:25,820 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:51:25,823 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-28 04:51:25,824 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 04:51:25,845 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-28 04:51:25,846 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-28 04:51:25,847 INFO L87 Difference]: Start difference. First operand has 54 states, 34 states have (on average 1.3235294117647058) internal successors, (45), 35 states have internal predecessors, (45), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) Second operand has 2 states, 2 states have (on average 16.0) internal successors, (32), 2 states have internal predecessors, (32), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-28 04:51:25,868 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:51:25,868 INFO L93 Difference]: Finished difference Result 101 states and 169 transitions. [2024-11-28 04:51:25,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-28 04:51:25,870 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 16.0) internal successors, (32), 2 states have internal predecessors, (32), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 110 [2024-11-28 04:51:25,871 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:51:25,876 INFO L225 Difference]: With dead ends: 101 [2024-11-28 04:51:25,877 INFO L226 Difference]: Without dead ends: 50 [2024-11-28 04:51:25,880 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 109 GetRequests, 109 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-28 04:51:25,883 INFO L435 NwaCegarLoop]: 72 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, 72 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 [2024-11-28 04:51:25,884 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 72 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 04:51:25,894 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2024-11-28 04:51:25,911 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 50. [2024-11-28 04:51:25,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50 states, 31 states have (on average 1.2258064516129032) internal successors, (38), 31 states have internal predecessors, (38), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-11-28 04:51:25,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 72 transitions. [2024-11-28 04:51:25,918 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 72 transitions. Word has length 110 [2024-11-28 04:51:25,918 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:51:25,918 INFO L471 AbstractCegarLoop]: Abstraction has 50 states and 72 transitions. [2024-11-28 04:51:25,919 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 16.0) internal successors, (32), 2 states have internal predecessors, (32), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-28 04:51:25,919 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 72 transitions. [2024-11-28 04:51:25,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2024-11-28 04:51:25,922 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:51:25,922 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:51:25,927 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30cd4c87-34d4-4739-b6ee-30c8a5a9f7ac/bin/uautomizer-verify-aQ6SnzHsRB/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 [2024-11-28 04:51:26,122 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30cd4c87-34d4-4739-b6ee-30c8a5a9f7ac/bin/uautomizer-verify-aQ6SnzHsRB/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 [2024-11-28 04:51:26,123 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:51:26,123 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:51:26,124 INFO L85 PathProgramCache]: Analyzing trace with hash 453389290, now seen corresponding path program 1 times [2024-11-28 04:51:26,125 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 04:51:26,125 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [734056072] [2024-11-28 04:51:26,125 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:51:26,125 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 [2024-11-28 04:51:26,125 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30cd4c87-34d4-4739-b6ee-30c8a5a9f7ac/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 04:51:26,127 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30cd4c87-34d4-4739-b6ee-30c8a5a9f7ac/bin/uautomizer-verify-aQ6SnzHsRB/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) [2024-11-28 04:51:26,129 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30cd4c87-34d4-4739-b6ee-30c8a5a9f7ac/bin/uautomizer-verify-aQ6SnzHsRB/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 [2024-11-28 04:51:26,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:51:26,381 INFO L256 TraceCheckSpWp]: Trace formula consists of 179 conjuncts, 38 conjuncts are in the unsatisfiable core [2024-11-28 04:51:26,400 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:51:52,372 WARN L286 SmtUtils]: Spent 7.24s on a formula simplification that was a NOOP. DAG size: 64 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-28 04:52:14,872 WARN L286 SmtUtils]: Spent 9.09s on a formula simplification that was a NOOP. DAG size: 68 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-28 04:52:41,032 WARN L286 SmtUtils]: Spent 9.65s on a formula simplification that was a NOOP. DAG size: 70 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-28 04:53:13,508 WARN L286 SmtUtils]: Spent 10.45s on a formula simplification that was a NOOP. DAG size: 87 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-28 04:53:59,333 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 414 proven. 93 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2024-11-28 04:53:59,333 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 04:56:38,923 WARN L286 SmtUtils]: Spent 6.10s on a formula simplification. DAG size of input: 85 DAG size of output: 76 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-28 04:57:41,686 WARN L286 SmtUtils]: Spent 7.55s on a formula simplification that was a NOOP. DAG size: 104 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-28 04:58:17,948 WARN L286 SmtUtils]: Spent 6.15s on a formula simplification that was a NOOP. DAG size: 83 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-28 04:58:58,329 WARN L286 SmtUtils]: Spent 7.64s on a formula simplification that was a NOOP. DAG size: 77 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-28 04:59:47,631 WARN L286 SmtUtils]: Spent 8.03s on a formula simplification that was a NOOP. DAG size: 69 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-28 05:00:33,885 WARN L286 SmtUtils]: Spent 7.31s on a formula simplification that was a NOOP. DAG size: 63 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-28 05:01:24,223 WARN L286 SmtUtils]: Spent 8.01s on a formula simplification that was a NOOP. DAG size: 48 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-28 05:02:14,384 WARN L873 $PredicateComparison]: unable to prove that (let ((.cse1 ((_ zero_extend 24) c_~var_1_3~0)) (.cse0 ((_ sign_extend 24) c_~var_1_7~0))) (or (bvslt .cse0 .cse1) (not (bvsle (bvshl (bvadd (bvneg .cse1) ((_ zero_extend 24) c_~var_1_2~0)) (bvadd c_~var_1_5~0 c_~var_1_4~0)) (bvadd (_ bv64 32) .cse0))) (let ((.cse9 ((_ to_fp 8 24) c_currentRoundingMode (/ 1.0 100000000000000000000.0))) (.cse10 ((_ to_fp 8 24) c_currentRoundingMode 2305843009213691390.0))) (let ((.cse4 (forall ((~var_1_8~0 (_ BitVec 8))) (let ((.cse15 ((_ sign_extend 24) ~var_1_8~0))) (or (not (bvslt .cse15 (_ bv0 32))) (bvugt c_~var_1_4~0 (bvneg .cse15)))))) (.cse6 (forall ((~var_1_8~0 (_ BitVec 8))) (let ((.cse14 ((_ sign_extend 24) ~var_1_8~0))) (or (bvugt c_~var_1_4~0 .cse14) (bvslt .cse14 (_ bv0 32)))))) (.cse3 (forall ((~var_1_14~0 (_ FloatingPoint 8 24))) (or (let ((.cse13 (fp.add c_currentRoundingMode c_~var_1_12~0 (fp.add c_currentRoundingMode c_~var_1_13~0 ~var_1_14~0)))) (fp.eq .cse13 .cse13)) (not (fp.leq ~var_1_14~0 (fp.neg .cse9))) (not (fp.geq ~var_1_14~0 (fp.neg .cse10)))))) (.cse7 (forall ((~var_1_8~0 (_ BitVec 8))) (let ((.cse12 ((_ sign_extend 24) ~var_1_8~0))) (or (not (bvslt .cse12 (_ bv0 32))) (not (bvugt c_~var_1_4~0 (bvneg .cse12))))))) (.cse2 (forall ((~var_1_8~0 (_ BitVec 8))) (let ((.cse11 ((_ sign_extend 24) ~var_1_8~0))) (or (not (bvugt c_~var_1_4~0 .cse11)) (bvslt .cse11 (_ bv0 32)))))) (.cse5 (forall ((~var_1_14~0 (_ FloatingPoint 8 24))) (or (let ((.cse8 (fp.add c_currentRoundingMode c_~var_1_12~0 (fp.add c_currentRoundingMode c_~var_1_13~0 ~var_1_14~0)))) (fp.eq .cse8 .cse8)) (not (fp.geq ~var_1_14~0 .cse9)) (not (fp.leq ~var_1_14~0 .cse10)))))) (and (or .cse2 .cse3) (or .cse4 .cse5) (or .cse4 .cse3) (or .cse6 .cse3) (or .cse6 .cse5) (or .cse7 .cse3) (or .cse5 .cse7) (or .cse2 .cse5)))))) is different from true [2024-11-28 05:02:14,387 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 05:02:14,388 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [734056072] [2024-11-28 05:02:14,388 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [734056072] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 05:02:14,388 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [2031044638] [2024-11-28 05:02:14,388 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:02:14,388 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-28 05:02:14,388 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30cd4c87-34d4-4739-b6ee-30c8a5a9f7ac/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 [2024-11-28 05:02:14,395 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30cd4c87-34d4-4739-b6ee-30c8a5a9f7ac/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-28 05:02:14,396 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30cd4c87-34d4-4739-b6ee-30c8a5a9f7ac/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-28 05:02:15,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:02:15,419 INFO L256 TraceCheckSpWp]: Trace formula consists of 179 conjuncts, 39 conjuncts are in the unsatisfiable core [2024-11-28 05:02:15,426 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 05:05:02,239 WARN L286 SmtUtils]: Spent 10.74s on a formula simplification that was a NOOP. DAG size: 72 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-28 05:05:39,402 WARN L286 SmtUtils]: Spent 11.99s on a formula simplification that was a NOOP. DAG size: 74 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-28 05:06:22,581 WARN L286 SmtUtils]: Spent 12.50s on a formula simplification that was a NOOP. DAG size: 91 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)