./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_normal_file-63.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23a47beb-832b-4beb-a432-80799f94cdc2/bin/utaipan-verify-nQ1chXbOIh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23a47beb-832b-4beb-a432-80799f94cdc2/bin/utaipan-verify-nQ1chXbOIh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23a47beb-832b-4beb-a432-80799f94cdc2/bin/utaipan-verify-nQ1chXbOIh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23a47beb-832b-4beb-a432-80799f94cdc2/bin/utaipan-verify-nQ1chXbOIh/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_normal_file-63.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23a47beb-832b-4beb-a432-80799f94cdc2/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23a47beb-832b-4beb-a432-80799f94cdc2/bin/utaipan-verify-nQ1chXbOIh --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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 22049259aa90ec31463fad29fa04047c315294147ab56d7684d575018f4c12a6 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 19:21:38,727 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 19:21:38,789 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23a47beb-832b-4beb-a432-80799f94cdc2/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-12-02 19:21:38,793 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 19:21:38,794 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-02 19:21:38,816 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 19:21:38,817 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-02 19:21:38,817 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-02 19:21:38,818 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 19:21:38,818 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-02 19:21:38,819 INFO L153 SettingsManager]: * User list type=DISABLED [2023-12-02 19:21:38,819 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-12-02 19:21:38,820 INFO L153 SettingsManager]: * Explicit value domain=true [2023-12-02 19:21:38,820 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-12-02 19:21:38,821 INFO L153 SettingsManager]: * Octagon Domain=false [2023-12-02 19:21:38,821 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-12-02 19:21:38,822 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-12-02 19:21:38,822 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-12-02 19:21:38,823 INFO L153 SettingsManager]: * Interval Domain=false [2023-12-02 19:21:38,824 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-12-02 19:21:38,824 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-12-02 19:21:38,825 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-12-02 19:21:38,826 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 19:21:38,827 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 19:21:38,827 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 19:21:38,828 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 19:21:38,828 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 19:21:38,829 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 19:21:38,829 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 19:21:38,829 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 19:21:38,830 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 19:21:38,830 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 19:21:38,830 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 19:21:38,830 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 19:21:38,831 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 19:21:38,831 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-02 19:21:38,831 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-02 19:21:38,831 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 19:21:38,832 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 19:21:38,832 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 19:21:38,832 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 19:21:38,832 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-12-02 19:21:38,833 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 19:21:38,833 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-02 19:21:38,833 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 19:21:38,833 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-12-02 19:21:38,834 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 19:21:38,834 INFO L153 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23a47beb-832b-4beb-a432-80799f94cdc2/bin/utaipan-verify-nQ1chXbOIh/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23a47beb-832b-4beb-a432-80799f94cdc2/bin/utaipan-verify-nQ1chXbOIh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 22049259aa90ec31463fad29fa04047c315294147ab56d7684d575018f4c12a6 [2023-12-02 19:21:39,061 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 19:21:39,082 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 19:21:39,084 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 19:21:39,085 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 19:21:39,086 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 19:21:39,087 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23a47beb-832b-4beb-a432-80799f94cdc2/bin/utaipan-verify-nQ1chXbOIh/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_normal_file-63.i [2023-12-02 19:21:41,840 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 19:21:42,066 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 19:21:42,067 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23a47beb-832b-4beb-a432-80799f94cdc2/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_normal_file-63.i [2023-12-02 19:21:42,076 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23a47beb-832b-4beb-a432-80799f94cdc2/bin/utaipan-verify-nQ1chXbOIh/data/1c47f2257/a8a7021ae7e14f36a449e988b6b1f133/FLAG1a847111b [2023-12-02 19:21:42,425 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23a47beb-832b-4beb-a432-80799f94cdc2/bin/utaipan-verify-nQ1chXbOIh/data/1c47f2257/a8a7021ae7e14f36a449e988b6b1f133 [2023-12-02 19:21:42,427 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 19:21:42,428 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 19:21:42,429 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 19:21:42,429 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 19:21:42,435 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 19:21:42,435 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 07:21:42" (1/1) ... [2023-12-02 19:21:42,437 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6e0ff17e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:21:42, skipping insertion in model container [2023-12-02 19:21:42,437 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 07:21:42" (1/1) ... [2023-12-02 19:21:42,467 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 19:21:42,591 WARN L240 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_23a47beb-832b-4beb-a432-80799f94cdc2/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_normal_file-63.i[913,926] [2023-12-02 19:21:42,646 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 19:21:42,655 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 19:21:42,668 WARN L240 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_23a47beb-832b-4beb-a432-80799f94cdc2/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_normal_file-63.i[913,926] [2023-12-02 19:21:42,692 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 19:21:42,710 INFO L206 MainTranslator]: Completed translation [2023-12-02 19:21:42,710 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:21:42 WrapperNode [2023-12-02 19:21:42,710 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 19:21:42,712 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 19:21:42,712 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 19:21:42,712 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 19:21:42,719 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:21:42" (1/1) ... [2023-12-02 19:21:42,730 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:21:42" (1/1) ... [2023-12-02 19:21:42,762 INFO L138 Inliner]: procedures = 26, calls = 29, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 167 [2023-12-02 19:21:42,762 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 19:21:42,763 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 19:21:42,763 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 19:21:42,763 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 19:21:42,771 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:21:42" (1/1) ... [2023-12-02 19:21:42,771 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:21:42" (1/1) ... [2023-12-02 19:21:42,774 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:21:42" (1/1) ... [2023-12-02 19:21:42,774 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:21:42" (1/1) ... [2023-12-02 19:21:42,786 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:21:42" (1/1) ... [2023-12-02 19:21:42,790 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:21:42" (1/1) ... [2023-12-02 19:21:42,793 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:21:42" (1/1) ... [2023-12-02 19:21:42,796 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:21:42" (1/1) ... [2023-12-02 19:21:42,802 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 19:21:42,803 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 19:21:42,803 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 19:21:42,803 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 19:21:42,804 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:21:42" (1/1) ... [2023-12-02 19:21:42,809 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 19:21:42,820 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23a47beb-832b-4beb-a432-80799f94cdc2/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 19:21:42,831 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23a47beb-832b-4beb-a432-80799f94cdc2/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-12-02 19:21:42,835 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23a47beb-832b-4beb-a432-80799f94cdc2/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-12-02 19:21:42,864 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 19:21:42,864 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-02 19:21:42,864 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-02 19:21:42,865 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 19:21:42,865 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 19:21:42,865 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 19:21:42,943 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 19:21:42,945 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 19:21:43,256 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 19:21:43,466 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 19:21:43,466 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-02 19:21:43,467 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 07:21:43 BoogieIcfgContainer [2023-12-02 19:21:43,467 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 19:21:43,470 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-02 19:21:43,470 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-02 19:21:43,472 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-02 19:21:43,472 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 07:21:42" (1/3) ... [2023-12-02 19:21:43,473 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@19827e51 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 07:21:43, skipping insertion in model container [2023-12-02 19:21:43,473 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:21:42" (2/3) ... [2023-12-02 19:21:43,473 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@19827e51 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 07:21:43, skipping insertion in model container [2023-12-02 19:21:43,474 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 07:21:43" (3/3) ... [2023-12-02 19:21:43,475 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodesize_normal_file-63.i [2023-12-02 19:21:43,489 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-02 19:21:43,489 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-02 19:21:43,529 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-02 19:21:43,535 INFO L357 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, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, 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;@5684277e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-02 19:21:43,535 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-02 19:21:43,539 INFO L276 IsEmpty]: Start isEmpty. Operand has 36 states, 17 states have (on average 1.1764705882352942) internal successors, (20), 18 states have internal predecessors, (20), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2023-12-02 19:21:43,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2023-12-02 19:21:43,546 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 19:21:43,547 INFO L195 NwaCegarLoop]: trace histogram [16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 19:21:43,547 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 19:21:43,552 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 19:21:43,552 INFO L85 PathProgramCache]: Analyzing trace with hash -2140450209, now seen corresponding path program 1 times [2023-12-02 19:21:43,559 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 19:21:43,559 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [940578046] [2023-12-02 19:21:43,559 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 19:21:43,559 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 19:21:44,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 19:21:44,008 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 19:21:44,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 19:21:44,243 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-12-02 19:21:44,245 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-12-02 19:21:44,246 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-02 19:21:44,248 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-12-02 19:21:44,252 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-12-02 19:21:44,257 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-12-02 19:21:44,317 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 07:21:44 BoogieIcfgContainer [2023-12-02 19:21:44,317 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-02 19:21:44,318 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-02 19:21:44,318 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-02 19:21:44,318 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-02 19:21:44,319 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 07:21:43" (3/4) ... [2023-12-02 19:21:44,321 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-02 19:21:44,322 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-02 19:21:44,323 INFO L158 Benchmark]: Toolchain (without parser) took 1894.65ms. Allocated memory is still 165.7MB. Free memory was 131.2MB in the beginning and 93.8MB in the end (delta: 37.4MB). Peak memory consumption was 38.1MB. Max. memory is 16.1GB. [2023-12-02 19:21:44,324 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 111.1MB. Free memory was 79.3MB in the beginning and 79.2MB in the end (delta: 27.5kB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 19:21:44,324 INFO L158 Benchmark]: CACSL2BoogieTranslator took 281.57ms. Allocated memory is still 165.7MB. Free memory was 131.2MB in the beginning and 116.5MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-12-02 19:21:44,325 INFO L158 Benchmark]: Boogie Procedure Inliner took 50.83ms. Allocated memory is still 165.7MB. Free memory was 116.5MB in the beginning and 113.1MB in the end (delta: 3.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 19:21:44,326 INFO L158 Benchmark]: Boogie Preprocessor took 38.75ms. Allocated memory is still 165.7MB. Free memory was 113.1MB in the beginning and 111.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 19:21:44,326 INFO L158 Benchmark]: RCFGBuilder took 664.99ms. Allocated memory is still 165.7MB. Free memory was 111.0MB in the beginning and 128.1MB in the end (delta: -17.1MB). Peak memory consumption was 53.1MB. Max. memory is 16.1GB. [2023-12-02 19:21:44,327 INFO L158 Benchmark]: TraceAbstraction took 847.76ms. Allocated memory is still 165.7MB. Free memory was 128.1MB in the beginning and 94.8MB in the end (delta: 33.3MB). Peak memory consumption was 68.8MB. Max. memory is 16.1GB. [2023-12-02 19:21:44,327 INFO L158 Benchmark]: Witness Printer took 4.34ms. Allocated memory is still 165.7MB. Free memory was 94.8MB in the beginning and 93.8MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 19:21:44,331 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 111.1MB. Free memory was 79.3MB in the beginning and 79.2MB in the end (delta: 27.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 281.57ms. Allocated memory is still 165.7MB. Free memory was 131.2MB in the beginning and 116.5MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 50.83ms. Allocated memory is still 165.7MB. Free memory was 116.5MB in the beginning and 113.1MB in the end (delta: 3.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 38.75ms. Allocated memory is still 165.7MB. Free memory was 113.1MB in the beginning and 111.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 664.99ms. Allocated memory is still 165.7MB. Free memory was 111.0MB in the beginning and 128.1MB in the end (delta: -17.1MB). Peak memory consumption was 53.1MB. Max. memory is 16.1GB. * TraceAbstraction took 847.76ms. Allocated memory is still 165.7MB. Free memory was 128.1MB in the beginning and 94.8MB in the end (delta: 33.3MB). Peak memory consumption was 68.8MB. Max. memory is 16.1GB. * Witness Printer took 4.34ms. Allocated memory is still 165.7MB. Free memory was 94.8MB in the beginning and 93.8MB in the end (delta: 1.0MB). 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 124, overapproximation of shiftRight at line 64, overapproximation of bitwiseOr at line 70, overapproximation of someBinaryArithmeticDOUBLEoperation at line 54, overapproximation of someBinaryDOUBLEComparisonOperation at line 54. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed long int var_1_1 = 64; [L23] unsigned char var_1_7 = 0; [L24] unsigned short int var_1_11 = 500; [L25] unsigned char var_1_13 = 64; [L26] unsigned char var_1_15 = 1; [L27] unsigned char var_1_16 = 8; [L28] double var_1_17 = 7.5; [L29] double var_1_18 = 31.125; [L30] double var_1_19 = 10.5; [L31] double var_1_20 = 0.0; [L32] double var_1_21 = 16.75; [L33] double var_1_22 = 2.5; [L34] double var_1_23 = 64.5; [L35] signed long int var_1_24 = 10; [L36] signed char var_1_26 = 16; [L37] signed char var_1_27 = 4; [L38] signed char var_1_28 = -10; [L39] float var_1_29 = 63.794; [L40] unsigned short int var_1_30 = 1; [L41] signed long int var_1_31 = -2; [L42] unsigned char var_1_32 = 64; [L43] signed long int last_1_var_1_1 = 64; [L44] unsigned char last_1_var_1_13 = 64; [L128] isInitial = 1 [L129] FCALL initially() [L130] COND TRUE 1 [L131] CALL updateLastVariables() [L120] last_1_var_1_1 = var_1_1 [L121] last_1_var_1_13 = var_1_13 [L131] RET updateLastVariables() [L132] CALL updateVariables() [L91] var_1_7 = __VERIFIER_nondet_uchar() [L92] CALL assume_abort_if_not(var_1_7 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=1, var_1_16=8, var_1_17=15/2, var_1_18=249/8, var_1_19=21/2, var_1_1=64, var_1_20=0, var_1_21=67/4, var_1_22=5/2, var_1_23=129/2, var_1_24=10, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64] [L20] COND FALSE !(!cond) [L92] RET assume_abort_if_not(var_1_7 >= 0) VAL [isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=1, var_1_16=8, var_1_17=15/2, var_1_18=249/8, var_1_19=21/2, var_1_1=64, var_1_20=0, var_1_21=67/4, var_1_22=5/2, var_1_23=129/2, var_1_24=10, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64] [L93] CALL assume_abort_if_not(var_1_7 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=1, var_1_16=8, var_1_17=15/2, var_1_18=249/8, var_1_19=21/2, var_1_1=64, var_1_20=0, var_1_21=67/4, var_1_22=5/2, var_1_23=129/2, var_1_24=10, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_7=1] [L20] COND FALSE !(!cond) [L93] RET assume_abort_if_not(var_1_7 <= 1) VAL [isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=1, var_1_16=8, var_1_17=15/2, var_1_18=249/8, var_1_19=21/2, var_1_1=64, var_1_20=0, var_1_21=67/4, var_1_22=5/2, var_1_23=129/2, var_1_24=10, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_7=1] [L94] var_1_15 = __VERIFIER_nondet_uchar() [L95] CALL assume_abort_if_not(var_1_15 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_16=8, var_1_17=15/2, var_1_18=249/8, var_1_19=21/2, var_1_1=64, var_1_20=0, var_1_21=67/4, var_1_22=5/2, var_1_23=129/2, var_1_24=10, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_7=1] [L20] COND FALSE !(!cond) [L95] RET assume_abort_if_not(var_1_15 >= 0) VAL [isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_16=8, var_1_17=15/2, var_1_18=249/8, var_1_19=21/2, var_1_1=64, var_1_20=0, var_1_21=67/4, var_1_22=5/2, var_1_23=129/2, var_1_24=10, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_7=1] [L96] CALL assume_abort_if_not(var_1_15 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=254, var_1_16=8, var_1_17=15/2, var_1_18=249/8, var_1_19=21/2, var_1_1=64, var_1_20=0, var_1_21=67/4, var_1_22=5/2, var_1_23=129/2, var_1_24=10, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_7=1] [L20] COND FALSE !(!cond) [L96] RET assume_abort_if_not(var_1_15 <= 254) VAL [isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=254, var_1_16=8, var_1_17=15/2, var_1_18=249/8, var_1_19=21/2, var_1_1=64, var_1_20=0, var_1_21=67/4, var_1_22=5/2, var_1_23=129/2, var_1_24=10, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_7=1] [L97] var_1_16 = __VERIFIER_nondet_uchar() [L98] CALL assume_abort_if_not(var_1_16 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=254, var_1_17=15/2, var_1_18=249/8, var_1_19=21/2, var_1_1=64, var_1_20=0, var_1_21=67/4, var_1_22=5/2, var_1_23=129/2, var_1_24=10, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_7=1] [L20] COND FALSE !(!cond) [L98] RET assume_abort_if_not(var_1_16 >= 0) VAL [isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=254, var_1_17=15/2, var_1_18=249/8, var_1_19=21/2, var_1_1=64, var_1_20=0, var_1_21=67/4, var_1_22=5/2, var_1_23=129/2, var_1_24=10, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_7=1] [L99] CALL assume_abort_if_not(var_1_16 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=254, var_1_16=64, var_1_17=15/2, var_1_18=249/8, var_1_19=21/2, var_1_1=64, var_1_20=0, var_1_21=67/4, var_1_22=5/2, var_1_23=129/2, var_1_24=10, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_7=1] [L20] COND FALSE !(!cond) [L99] RET assume_abort_if_not(var_1_16 <= 254) VAL [isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=254, var_1_16=64, var_1_17=15/2, var_1_18=249/8, var_1_19=21/2, var_1_1=64, var_1_20=0, var_1_21=67/4, var_1_22=5/2, var_1_23=129/2, var_1_24=10, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_7=1] [L100] var_1_18 = __VERIFIER_nondet_double() [L101] CALL assume_abort_if_not((var_1_18 >= 0.0F && var_1_18 <= -1.0e-20F) || (var_1_18 <= 4611686.018427382800e+12F && var_1_18 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=254, var_1_16=64, var_1_17=15/2, var_1_19=21/2, var_1_1=64, var_1_20=0, var_1_21=67/4, var_1_22=5/2, var_1_23=129/2, var_1_24=10, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_7=1] [L20] COND FALSE !(!cond) [L101] RET assume_abort_if_not((var_1_18 >= 0.0F && var_1_18 <= -1.0e-20F) || (var_1_18 <= 4611686.018427382800e+12F && var_1_18 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=254, var_1_16=64, var_1_17=15/2, var_1_19=21/2, var_1_1=64, var_1_20=0, var_1_21=67/4, var_1_22=5/2, var_1_23=129/2, var_1_24=10, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_7=1] [L102] var_1_19 = __VERIFIER_nondet_double() [L103] CALL assume_abort_if_not((var_1_19 >= 0.0F && var_1_19 <= -1.0e-20F) || (var_1_19 <= 4611686.018427382800e+12F && var_1_19 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=254, var_1_16=64, var_1_17=15/2, var_1_1=64, var_1_20=0, var_1_21=67/4, var_1_22=5/2, var_1_23=129/2, var_1_24=10, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_7=1] [L20] COND FALSE !(!cond) [L103] RET assume_abort_if_not((var_1_19 >= 0.0F && var_1_19 <= -1.0e-20F) || (var_1_19 <= 4611686.018427382800e+12F && var_1_19 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=254, var_1_16=64, var_1_17=15/2, var_1_1=64, var_1_20=0, var_1_21=67/4, var_1_22=5/2, var_1_23=129/2, var_1_24=10, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_7=1] [L104] var_1_20 = __VERIFIER_nondet_double() [L105] CALL assume_abort_if_not((var_1_20 >= 4611686.018427382800e+12F && var_1_20 <= -1.0e-20F) || (var_1_20 <= 9223372.036854765600e+12F && var_1_20 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=254, var_1_16=64, var_1_17=15/2, var_1_1=64, var_1_21=67/4, var_1_22=5/2, var_1_23=129/2, var_1_24=10, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_7=1] [L20] COND FALSE !(!cond) [L105] RET assume_abort_if_not((var_1_20 >= 4611686.018427382800e+12F && var_1_20 <= -1.0e-20F) || (var_1_20 <= 9223372.036854765600e+12F && var_1_20 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=254, var_1_16=64, var_1_17=15/2, var_1_1=64, var_1_21=67/4, var_1_22=5/2, var_1_23=129/2, var_1_24=10, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_7=1] [L106] var_1_21 = __VERIFIER_nondet_double() [L107] CALL assume_abort_if_not((var_1_21 >= 0.0F && var_1_21 <= -1.0e-20F) || (var_1_21 <= 4611686.018427382800e+12F && var_1_21 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=254, var_1_16=64, var_1_17=15/2, var_1_1=64, var_1_22=5/2, var_1_23=129/2, var_1_24=10, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_7=1] [L20] COND FALSE !(!cond) [L107] RET assume_abort_if_not((var_1_21 >= 0.0F && var_1_21 <= -1.0e-20F) || (var_1_21 <= 4611686.018427382800e+12F && var_1_21 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=254, var_1_16=64, var_1_17=15/2, var_1_1=64, var_1_22=5/2, var_1_23=129/2, var_1_24=10, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_7=1] [L108] var_1_22 = __VERIFIER_nondet_double() [L109] CALL assume_abort_if_not((var_1_22 >= -922337.2036854765600e+13F && var_1_22 <= -1.0e-20F) || (var_1_22 <= 9223372.036854765600e+12F && var_1_22 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=254, var_1_16=64, var_1_17=15/2, var_1_1=64, var_1_23=129/2, var_1_24=10, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_7=1] [L20] COND FALSE !(!cond) [L109] RET assume_abort_if_not((var_1_22 >= -922337.2036854765600e+13F && var_1_22 <= -1.0e-20F) || (var_1_22 <= 9223372.036854765600e+12F && var_1_22 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=254, var_1_16=64, var_1_17=15/2, var_1_1=64, var_1_23=129/2, var_1_24=10, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_7=1] [L110] var_1_23 = __VERIFIER_nondet_double() [L111] CALL assume_abort_if_not((var_1_23 >= -922337.2036854765600e+13F && var_1_23 <= -1.0e-20F) || (var_1_23 <= 9223372.036854765600e+12F && var_1_23 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=254, var_1_16=64, var_1_17=15/2, var_1_1=64, var_1_24=10, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_7=1] [L20] COND FALSE !(!cond) [L111] RET assume_abort_if_not((var_1_23 >= -922337.2036854765600e+13F && var_1_23 <= -1.0e-20F) || (var_1_23 <= 9223372.036854765600e+12F && var_1_23 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=254, var_1_16=64, var_1_17=15/2, var_1_1=64, var_1_24=10, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_7=1] [L112] var_1_27 = __VERIFIER_nondet_char() [L113] CALL assume_abort_if_not(var_1_27 >= -63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=254, var_1_16=64, var_1_17=15/2, var_1_1=64, var_1_24=10, var_1_26=16, var_1_27=63, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_7=1] [L20] COND FALSE !(!cond) [L113] RET assume_abort_if_not(var_1_27 >= -63) VAL [isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=254, var_1_16=64, var_1_17=15/2, var_1_1=64, var_1_24=10, var_1_26=16, var_1_27=63, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_7=1] [L114] CALL assume_abort_if_not(var_1_27 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=254, var_1_16=64, var_1_17=15/2, var_1_1=64, var_1_24=10, var_1_26=16, var_1_27=63, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_7=1] [L20] COND FALSE !(!cond) [L114] RET assume_abort_if_not(var_1_27 <= 63) VAL [isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=254, var_1_16=64, var_1_17=15/2, var_1_1=64, var_1_24=10, var_1_26=16, var_1_27=63, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_7=1] [L115] var_1_28 = __VERIFIER_nondet_char() [L116] CALL assume_abort_if_not(var_1_28 >= -63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=254, var_1_16=64, var_1_17=15/2, var_1_1=64, var_1_24=10, var_1_26=16, var_1_27=63, var_1_28=-47, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_7=1] [L20] COND FALSE !(!cond) [L116] RET assume_abort_if_not(var_1_28 >= -63) VAL [isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=254, var_1_16=64, var_1_17=15/2, var_1_1=64, var_1_24=10, var_1_26=16, var_1_27=63, var_1_28=-47, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_7=1] [L117] CALL assume_abort_if_not(var_1_28 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=254, var_1_16=64, var_1_17=15/2, var_1_1=64, var_1_24=10, var_1_26=16, var_1_27=63, var_1_28=-47, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_7=1] [L20] COND FALSE !(!cond) [L117] RET assume_abort_if_not(var_1_28 <= 63) VAL [isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=254, var_1_16=64, var_1_17=15/2, var_1_1=64, var_1_24=10, var_1_26=16, var_1_27=63, var_1_28=-47, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_7=1] [L132] RET updateVariables() [L133] CALL step() [L48] signed long int stepLocal_1 = last_1_var_1_1; [L49] COND FALSE !(stepLocal_1 != last_1_var_1_13) [L52] var_1_31 = var_1_13 [L53] COND TRUE \read(var_1_7) [L54] var_1_17 = ((((((var_1_18 + var_1_19) - (var_1_20 - var_1_21))) < (((((var_1_22) > (var_1_23)) ? (var_1_22) : (var_1_23))))) ? (((var_1_18 + var_1_19) - (var_1_20 - var_1_21))) : (((((var_1_22) > (var_1_23)) ? (var_1_22) : (var_1_23)))))) [L58] COND TRUE \read(var_1_7) [L59] var_1_29 = var_1_20 [L61] var_1_32 = var_1_16 [L62] var_1_30 = var_1_32 [L63] unsigned char stepLocal_0 = var_1_13; [L64] EXPR var_1_32 >> var_1_32 [L64] COND TRUE (var_1_32 >> var_1_32) < stepLocal_0 [L65] var_1_11 = var_1_32 [L67] COND TRUE var_1_11 >= var_1_30 [L68] var_1_26 = (var_1_27 + var_1_28) [L70] EXPR (var_1_31 + 4u) | var_1_30 [L70] COND TRUE 32u < ((var_1_31 + 4u) | var_1_30) [L71] var_1_1 = (var_1_26 + (var_1_26 + var_1_32)) [L79] unsigned short int stepLocal_2 = var_1_30; [L80] COND FALSE !(! var_1_7) [L83] COND FALSE !(var_1_11 < stepLocal_2) [L86] var_1_24 = var_1_26 [L133] RET step() [L134] CALL, EXPR property() [L124] EXPR (var_1_31 + 4u) | var_1_30 [L124] EXPR ((32u < ((var_1_31 + 4u) | var_1_30)) ? (var_1_1 == ((signed long int) (var_1_26 + (var_1_26 + var_1_32)))) : ((! var_1_7) ? (var_1_1 == ((signed long int) ((((var_1_26) < ((var_1_11 - var_1_32))) ? (var_1_26) : ((var_1_11 - var_1_32)))))) : (var_1_1 == ((signed long int) (var_1_32 - var_1_13))))) && (((var_1_32 >> var_1_32) < var_1_13) ? (var_1_11 == ((unsigned short int) var_1_32)) : 1) [L124] EXPR var_1_32 >> var_1_32 [L124] EXPR ((32u < ((var_1_31 + 4u) | var_1_30)) ? (var_1_1 == ((signed long int) (var_1_26 + (var_1_26 + var_1_32)))) : ((! var_1_7) ? (var_1_1 == ((signed long int) ((((var_1_26) < ((var_1_11 - var_1_32))) ? (var_1_26) : ((var_1_11 - var_1_32)))))) : (var_1_1 == ((signed long int) (var_1_32 - var_1_13))))) && (((var_1_32 >> var_1_32) < var_1_13) ? (var_1_11 == ((unsigned short int) var_1_32)) : 1) [L124-L125] return ((((((((((32u < ((var_1_31 + 4u) | var_1_30)) ? (var_1_1 == ((signed long int) (var_1_26 + (var_1_26 + var_1_32)))) : ((! var_1_7) ? (var_1_1 == ((signed long int) ((((var_1_26) < ((var_1_11 - var_1_32))) ? (var_1_26) : ((var_1_11 - var_1_32)))))) : (var_1_1 == ((signed long int) (var_1_32 - var_1_13))))) && (((var_1_32 >> var_1_32) < var_1_13) ? (var_1_11 == ((unsigned short int) var_1_32)) : 1)) && ((last_1_var_1_1 != last_1_var_1_13) ? (var_1_13 == ((unsigned char) ((((var_1_15) < (var_1_16)) ? (var_1_15) : (var_1_16))))) : 1)) && (var_1_7 ? (var_1_17 == ((double) ((((((var_1_18 + var_1_19) - (var_1_20 - var_1_21))) < (((((var_1_22) > (var_1_23)) ? (var_1_22) : (var_1_23))))) ? (((var_1_18 + var_1_19) - (var_1_20 - var_1_21))) : (((((var_1_22) > (var_1_23)) ? (var_1_22) : (var_1_23)))))))) : (var_1_17 == ((double) var_1_22)))) && ((! var_1_7) ? (var_1_24 == ((signed long int) (var_1_11 - ((((((((var_1_30) > (var_1_13)) ? (var_1_30) : (var_1_13)))) < ((var_1_30 + var_1_15))) ? (((((var_1_30) > (var_1_13)) ? (var_1_30) : (var_1_13)))) : ((var_1_30 + var_1_15))))))) : ((var_1_11 < var_1_30) ? (var_1_24 == ((signed long int) -4)) : (var_1_24 == ((signed long int) var_1_26))))) && ((var_1_11 >= var_1_30) ? (var_1_26 == ((signed char) (var_1_27 + var_1_28))) : 1)) && (var_1_7 ? (var_1_29 == ((float) var_1_20)) : 1)) && (var_1_30 == ((unsigned short int) var_1_32))) && (var_1_31 == ((signed long int) var_1_13))) && (var_1_32 == ((unsigned char) var_1_16)) ; [L134] RET, EXPR property() [L134] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=64, var_1_13=64, var_1_15=254, var_1_16=64, var_1_17=4294967433, var_1_1=96, var_1_20=31897/500, var_1_22=4294967433, var_1_23=4294967433, var_1_24=16, var_1_26=16, var_1_27=63, var_1_28=-47, var_1_29=31897/500, var_1_30=64, var_1_31=64, var_1_32=64, var_1_7=1] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=64, var_1_13=64, var_1_15=254, var_1_16=64, var_1_17=4294967433, var_1_1=96, var_1_20=31897/500, var_1_22=4294967433, var_1_23=4294967433, var_1_24=16, var_1_26=16, var_1_27=63, var_1_28=-47, var_1_29=31897/500, var_1_30=64, var_1_31=64, var_1_32=64, var_1_7=1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 36 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.7s, OverallIterations: 1, TraceHistogramMax: 16, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=36occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 63 NumberOfCodeBlocks, 63 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 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 RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-12-02 19:21:44,349 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23a47beb-832b-4beb-a432-80799f94cdc2/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, 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/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23a47beb-832b-4beb-a432-80799f94cdc2/bin/utaipan-verify-nQ1chXbOIh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23a47beb-832b-4beb-a432-80799f94cdc2/bin/utaipan-verify-nQ1chXbOIh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23a47beb-832b-4beb-a432-80799f94cdc2/bin/utaipan-verify-nQ1chXbOIh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23a47beb-832b-4beb-a432-80799f94cdc2/bin/utaipan-verify-nQ1chXbOIh/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_normal_file-63.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23a47beb-832b-4beb-a432-80799f94cdc2/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23a47beb-832b-4beb-a432-80799f94cdc2/bin/utaipan-verify-nQ1chXbOIh --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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 22049259aa90ec31463fad29fa04047c315294147ab56d7684d575018f4c12a6 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 19:21:46,353 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 19:21:46,429 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23a47beb-832b-4beb-a432-80799f94cdc2/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2023-12-02 19:21:46,434 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 19:21:46,435 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-02 19:21:46,463 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 19:21:46,463 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-02 19:21:46,464 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-02 19:21:46,464 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 19:21:46,465 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-02 19:21:46,465 INFO L153 SettingsManager]: * User list type=DISABLED [2023-12-02 19:21:46,466 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-12-02 19:21:46,466 INFO L153 SettingsManager]: * Explicit value domain=true [2023-12-02 19:21:46,467 INFO L153 SettingsManager]: * Octagon Domain=false [2023-12-02 19:21:46,467 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-12-02 19:21:46,468 INFO L153 SettingsManager]: * Interval Domain=false [2023-12-02 19:21:46,469 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 19:21:46,469 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 19:21:46,470 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 19:21:46,470 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 19:21:46,471 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 19:21:46,471 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 19:21:46,472 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 19:21:46,472 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 19:21:46,473 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-02 19:21:46,473 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-02 19:21:46,474 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-02 19:21:46,474 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 19:21:46,474 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 19:21:46,475 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 19:21:46,475 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 19:21:46,476 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-02 19:21:46,476 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-02 19:21:46,476 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-02 19:21:46,476 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 19:21:46,477 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 19:21:46,477 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 19:21:46,477 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 19:21:46,477 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-02 19:21:46,477 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 19:21:46,478 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-02 19:21:46,478 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 19:21:46,478 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-12-02 19:21:46,478 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 19:21:46,479 INFO L153 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23a47beb-832b-4beb-a432-80799f94cdc2/bin/utaipan-verify-nQ1chXbOIh/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23a47beb-832b-4beb-a432-80799f94cdc2/bin/utaipan-verify-nQ1chXbOIh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 22049259aa90ec31463fad29fa04047c315294147ab56d7684d575018f4c12a6 [2023-12-02 19:21:46,765 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 19:21:46,786 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 19:21:46,788 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 19:21:46,789 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 19:21:46,790 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 19:21:46,791 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23a47beb-832b-4beb-a432-80799f94cdc2/bin/utaipan-verify-nQ1chXbOIh/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_normal_file-63.i [2023-12-02 19:21:49,623 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 19:21:49,836 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 19:21:49,837 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23a47beb-832b-4beb-a432-80799f94cdc2/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_normal_file-63.i [2023-12-02 19:21:49,848 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23a47beb-832b-4beb-a432-80799f94cdc2/bin/utaipan-verify-nQ1chXbOIh/data/515040b08/93128578cdf1407499af3df95adf4436/FLAG9649a3b08 [2023-12-02 19:21:49,861 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23a47beb-832b-4beb-a432-80799f94cdc2/bin/utaipan-verify-nQ1chXbOIh/data/515040b08/93128578cdf1407499af3df95adf4436 [2023-12-02 19:21:49,864 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 19:21:49,865 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 19:21:49,866 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 19:21:49,867 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 19:21:49,871 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 19:21:49,871 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 07:21:49" (1/1) ... [2023-12-02 19:21:49,873 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@14dd0e2a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:21:49, skipping insertion in model container [2023-12-02 19:21:49,873 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 07:21:49" (1/1) ... [2023-12-02 19:21:49,902 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 19:21:50,030 WARN L240 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_23a47beb-832b-4beb-a432-80799f94cdc2/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_normal_file-63.i[913,926] [2023-12-02 19:21:50,086 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 19:21:50,102 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 19:21:50,113 WARN L240 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_23a47beb-832b-4beb-a432-80799f94cdc2/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_normal_file-63.i[913,926] [2023-12-02 19:21:50,146 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 19:21:50,164 INFO L206 MainTranslator]: Completed translation [2023-12-02 19:21:50,164 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:21:50 WrapperNode [2023-12-02 19:21:50,164 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 19:21:50,165 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 19:21:50,165 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 19:21:50,165 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 19:21:50,171 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:21:50" (1/1) ... [2023-12-02 19:21:50,183 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:21:50" (1/1) ... [2023-12-02 19:21:50,212 INFO L138 Inliner]: procedures = 27, calls = 29, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 135 [2023-12-02 19:21:50,213 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 19:21:50,214 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 19:21:50,214 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 19:21:50,214 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 19:21:50,222 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:21:50" (1/1) ... [2023-12-02 19:21:50,222 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:21:50" (1/1) ... [2023-12-02 19:21:50,227 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:21:50" (1/1) ... [2023-12-02 19:21:50,228 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:21:50" (1/1) ... [2023-12-02 19:21:50,240 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:21:50" (1/1) ... [2023-12-02 19:21:50,245 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:21:50" (1/1) ... [2023-12-02 19:21:50,248 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:21:50" (1/1) ... [2023-12-02 19:21:50,250 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:21:50" (1/1) ... [2023-12-02 19:21:50,255 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 19:21:50,256 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 19:21:50,256 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 19:21:50,257 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 19:21:50,258 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:21:50" (1/1) ... [2023-12-02 19:21:50,264 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 19:21:50,276 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23a47beb-832b-4beb-a432-80799f94cdc2/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 19:21:50,302 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23a47beb-832b-4beb-a432-80799f94cdc2/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-12-02 19:21:50,321 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23a47beb-832b-4beb-a432-80799f94cdc2/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-12-02 19:21:50,351 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 19:21:50,352 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-02 19:21:50,352 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-02 19:21:50,352 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-02 19:21:50,352 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 19:21:50,353 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 19:21:50,437 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 19:21:50,439 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 19:21:54,811 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 19:21:54,855 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 19:21:54,855 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-02 19:21:54,856 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 07:21:54 BoogieIcfgContainer [2023-12-02 19:21:54,856 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 19:21:54,859 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-02 19:21:54,859 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-02 19:21:54,862 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-02 19:21:54,862 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 07:21:49" (1/3) ... [2023-12-02 19:21:54,863 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@40966862 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 07:21:54, skipping insertion in model container [2023-12-02 19:21:54,863 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:21:50" (2/3) ... [2023-12-02 19:21:54,863 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@40966862 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 07:21:54, skipping insertion in model container [2023-12-02 19:21:54,863 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 07:21:54" (3/3) ... [2023-12-02 19:21:54,865 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodesize_normal_file-63.i [2023-12-02 19:21:54,883 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-02 19:21:54,883 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-02 19:21:54,924 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-02 19:21:54,930 INFO L357 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, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, 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;@2b564716, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-02 19:21:54,930 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-02 19:21:54,934 INFO L276 IsEmpty]: Start isEmpty. Operand has 52 states, 33 states have (on average 1.4242424242424243) internal successors, (47), 34 states have internal predecessors, (47), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2023-12-02 19:21:54,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2023-12-02 19:21:54,946 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 19:21:54,947 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 19:21:54,948 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 19:21:54,953 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 19:21:54,954 INFO L85 PathProgramCache]: Analyzing trace with hash 1106764813, now seen corresponding path program 1 times [2023-12-02 19:21:54,966 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 19:21:54,966 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1894542700] [2023-12-02 19:21:54,967 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 19:21:54,967 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 [2023-12-02 19:21:54,967 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23a47beb-832b-4beb-a432-80799f94cdc2/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 19:21:54,968 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23a47beb-832b-4beb-a432-80799f94cdc2/bin/utaipan-verify-nQ1chXbOIh/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) [2023-12-02 19:21:54,973 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23a47beb-832b-4beb-a432-80799f94cdc2/bin/utaipan-verify-nQ1chXbOIh/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 [2023-12-02 19:21:55,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 19:21:55,401 INFO L262 TraceCheckSpWp]: Trace formula consists of 186 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 19:21:55,408 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 19:21:55,439 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 230 proven. 0 refuted. 0 times theorem prover too weak. 250 trivial. 0 not checked. [2023-12-02 19:21:55,440 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 19:21:55,440 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 19:21:55,441 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1894542700] [2023-12-02 19:21:55,441 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1894542700] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 19:21:55,441 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 19:21:55,442 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-02 19:21:55,443 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1219533502] [2023-12-02 19:21:55,444 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 19:21:55,449 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-12-02 19:21:55,449 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 19:21:55,474 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-12-02 19:21:55,474 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-02 19:21:55,476 INFO L87 Difference]: Start difference. First operand has 52 states, 33 states have (on average 1.4242424242424243) internal successors, (47), 34 states have internal predecessors, (47), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) 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, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2023-12-02 19:21:57,604 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 19:21:57,605 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 19:21:57,605 INFO L93 Difference]: Finished difference Result 101 states and 172 transitions. [2023-12-02 19:21:57,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 19:21:57,635 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, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 106 [2023-12-02 19:21:57,636 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 19:21:57,642 INFO L225 Difference]: With dead ends: 101 [2023-12-02 19:21:57,642 INFO L226 Difference]: Without dead ends: 50 [2023-12-02 19:21:57,645 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 105 GetRequests, 105 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-02 19:21:57,649 INFO L413 NwaCegarLoop]: 71 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 71 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2023-12-02 19:21:57,651 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 71 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 1 Unknown, 0 Unchecked, 2.1s Time] [2023-12-02 19:21:57,669 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2023-12-02 19:21:57,689 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 50. [2023-12-02 19:21:57,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50 states, 32 states have (on average 1.3125) internal successors, (42), 32 states have internal predecessors, (42), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2023-12-02 19:21:57,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 74 transitions. [2023-12-02 19:21:57,694 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 74 transitions. Word has length 106 [2023-12-02 19:21:57,694 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 19:21:57,694 INFO L495 AbstractCegarLoop]: Abstraction has 50 states and 74 transitions. [2023-12-02 19:21:57,695 INFO L496 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, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2023-12-02 19:21:57,695 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 74 transitions. [2023-12-02 19:21:57,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2023-12-02 19:21:57,698 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 19:21:57,698 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 19:21:57,707 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23a47beb-832b-4beb-a432-80799f94cdc2/bin/utaipan-verify-nQ1chXbOIh/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)] Forceful destruction successful, exit code 0 [2023-12-02 19:21:57,898 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23a47beb-832b-4beb-a432-80799f94cdc2/bin/utaipan-verify-nQ1chXbOIh/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 [2023-12-02 19:21:57,899 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 19:21:57,899 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 19:21:57,900 INFO L85 PathProgramCache]: Analyzing trace with hash 1542581721, now seen corresponding path program 1 times [2023-12-02 19:21:57,900 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 19:21:57,901 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [962390890] [2023-12-02 19:21:57,901 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 19:21:57,901 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 [2023-12-02 19:21:57,901 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23a47beb-832b-4beb-a432-80799f94cdc2/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 19:21:57,902 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23a47beb-832b-4beb-a432-80799f94cdc2/bin/utaipan-verify-nQ1chXbOIh/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) [2023-12-02 19:21:57,903 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23a47beb-832b-4beb-a432-80799f94cdc2/bin/utaipan-verify-nQ1chXbOIh/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 [2023-12-02 19:21:58,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 19:21:58,312 INFO L262 TraceCheckSpWp]: Trace formula consists of 186 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-02 19:21:58,318 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 19:21:58,387 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2023-12-02 19:21:58,388 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 19:21:58,388 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 19:21:58,388 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [962390890] [2023-12-02 19:21:58,389 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [962390890] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 19:21:58,389 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 19:21:58,389 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-02 19:21:58,389 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1779788651] [2023-12-02 19:21:58,390 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 19:21:58,391 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-02 19:21:58,392 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 19:21:58,392 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-02 19:21:58,393 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 19:21:58,393 INFO L87 Difference]: Start difference. First operand 50 states and 74 transitions. Second operand has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2023-12-02 19:22:00,754 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 19:22:02,240 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.48s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 19:22:02,309 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 19:22:02,309 INFO L93 Difference]: Finished difference Result 113 states and 167 transitions. [2023-12-02 19:22:02,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 19:22:02,310 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) Word has length 106 [2023-12-02 19:22:02,311 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 19:22:02,312 INFO L225 Difference]: With dead ends: 113 [2023-12-02 19:22:02,312 INFO L226 Difference]: Without dead ends: 64 [2023-12-02 19:22:02,313 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 105 GetRequests, 104 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 19:22:02,314 INFO L413 NwaCegarLoop]: 72 mSDtfsCounter, 12 mSDsluCounter, 59 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 5 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 131 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.9s IncrementalHoareTripleChecker+Time [2023-12-02 19:22:02,315 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 131 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 17 Invalid, 1 Unknown, 0 Unchecked, 3.9s Time] [2023-12-02 19:22:02,316 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64 states. [2023-12-02 19:22:02,323 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 58. [2023-12-02 19:22:02,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 58 states, 40 states have (on average 1.325) internal successors, (53), 40 states have internal predecessors, (53), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2023-12-02 19:22:02,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 85 transitions. [2023-12-02 19:22:02,325 INFO L78 Accepts]: Start accepts. Automaton has 58 states and 85 transitions. Word has length 106 [2023-12-02 19:22:02,326 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 19:22:02,326 INFO L495 AbstractCegarLoop]: Abstraction has 58 states and 85 transitions. [2023-12-02 19:22:02,326 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2023-12-02 19:22:02,327 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 85 transitions. [2023-12-02 19:22:02,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2023-12-02 19:22:02,329 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 19:22:02,329 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 19:22:02,338 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23a47beb-832b-4beb-a432-80799f94cdc2/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2023-12-02 19:22:02,529 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23a47beb-832b-4beb-a432-80799f94cdc2/bin/utaipan-verify-nQ1chXbOIh/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 [2023-12-02 19:22:02,530 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 19:22:02,530 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 19:22:02,531 INFO L85 PathProgramCache]: Analyzing trace with hash 1850619289, now seen corresponding path program 1 times [2023-12-02 19:22:02,531 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 19:22:02,531 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [147795709] [2023-12-02 19:22:02,531 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 19:22:02,531 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 [2023-12-02 19:22:02,532 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23a47beb-832b-4beb-a432-80799f94cdc2/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 19:22:02,532 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23a47beb-832b-4beb-a432-80799f94cdc2/bin/utaipan-verify-nQ1chXbOIh/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) [2023-12-02 19:22:02,533 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23a47beb-832b-4beb-a432-80799f94cdc2/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2023-12-02 19:22:02,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 19:22:03,013 INFO L262 TraceCheckSpWp]: Trace formula consists of 185 conjuncts, 22 conjunts are in the unsatisfiable core [2023-12-02 19:22:03,022 INFO L285 TraceCheckSpWp]: Computing forward predicates...