./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-76.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a2b3ebe-94b0-44ee-b767-5579bf15c653/bin/utaipan-verify-nQ1chXbOIh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a2b3ebe-94b0-44ee-b767-5579bf15c653/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_7a2b3ebe-94b0-44ee-b767-5579bf15c653/bin/utaipan-verify-nQ1chXbOIh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a2b3ebe-94b0-44ee-b767-5579bf15c653/bin/utaipan-verify-nQ1chXbOIh/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-76.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a2b3ebe-94b0-44ee-b767-5579bf15c653/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_7a2b3ebe-94b0-44ee-b767-5579bf15c653/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 811e442ced91272f27290482f64220479ec828b108df11e4b6856fb1b291eb09 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 12:29:08,540 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 12:29:08,615 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a2b3ebe-94b0-44ee-b767-5579bf15c653/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-12-02 12:29:08,622 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 12:29:08,622 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-02 12:29:08,654 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 12:29:08,654 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-02 12:29:08,655 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-02 12:29:08,656 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 12:29:08,656 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-02 12:29:08,657 INFO L153 SettingsManager]: * User list type=DISABLED [2023-12-02 12:29:08,658 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-12-02 12:29:08,658 INFO L153 SettingsManager]: * Explicit value domain=true [2023-12-02 12:29:08,659 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-12-02 12:29:08,659 INFO L153 SettingsManager]: * Octagon Domain=false [2023-12-02 12:29:08,660 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-12-02 12:29:08,660 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-12-02 12:29:08,661 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-12-02 12:29:08,661 INFO L153 SettingsManager]: * Interval Domain=false [2023-12-02 12:29:08,662 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-12-02 12:29:08,663 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-12-02 12:29:08,669 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-12-02 12:29:08,670 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 12:29:08,670 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 12:29:08,671 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 12:29:08,671 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 12:29:08,672 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 12:29:08,672 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 12:29:08,672 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 12:29:08,673 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 12:29:08,673 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 12:29:08,674 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 12:29:08,674 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 12:29:08,674 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 12:29:08,675 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 12:29:08,675 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-02 12:29:08,675 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-02 12:29:08,675 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 12:29:08,676 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 12:29:08,676 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 12:29:08,676 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 12:29:08,676 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-12-02 12:29:08,677 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 12:29:08,677 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-02 12:29:08,677 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 12:29:08,677 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-12-02 12:29:08,677 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 12:29:08,678 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_7a2b3ebe-94b0-44ee-b767-5579bf15c653/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a2b3ebe-94b0-44ee-b767-5579bf15c653/bin/utaipan-verify-nQ1chXbOIh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 811e442ced91272f27290482f64220479ec828b108df11e4b6856fb1b291eb09 [2023-12-02 12:29:08,903 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 12:29:08,928 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 12:29:08,931 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 12:29:08,933 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 12:29:08,933 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 12:29:08,935 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a2b3ebe-94b0-44ee-b767-5579bf15c653/bin/utaipan-verify-nQ1chXbOIh/../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-76.i [2023-12-02 12:29:11,855 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 12:29:12,071 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 12:29:12,072 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a2b3ebe-94b0-44ee-b767-5579bf15c653/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-76.i [2023-12-02 12:29:12,083 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a2b3ebe-94b0-44ee-b767-5579bf15c653/bin/utaipan-verify-nQ1chXbOIh/data/727fa0b83/a2b21e25497c44ea9a2eef656dbfb074/FLAGd0193374b [2023-12-02 12:29:12,098 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a2b3ebe-94b0-44ee-b767-5579bf15c653/bin/utaipan-verify-nQ1chXbOIh/data/727fa0b83/a2b21e25497c44ea9a2eef656dbfb074 [2023-12-02 12:29:12,101 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 12:29:12,103 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 12:29:12,104 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 12:29:12,104 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 12:29:12,111 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 12:29:12,112 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 12:29:12" (1/1) ... [2023-12-02 12:29:12,113 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3663f87f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:29:12, skipping insertion in model container [2023-12-02 12:29:12,113 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 12:29:12" (1/1) ... [2023-12-02 12:29:12,148 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 12:29:12,316 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_7a2b3ebe-94b0-44ee-b767-5579bf15c653/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-76.i[917,930] [2023-12-02 12:29:12,374 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 12:29:12,389 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 12:29:12,404 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_7a2b3ebe-94b0-44ee-b767-5579bf15c653/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-76.i[917,930] [2023-12-02 12:29:12,440 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 12:29:12,458 INFO L206 MainTranslator]: Completed translation [2023-12-02 12:29:12,458 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:29:12 WrapperNode [2023-12-02 12:29:12,458 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 12:29:12,460 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 12:29:12,460 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 12:29:12,460 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 12:29:12,469 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:29:12" (1/1) ... [2023-12-02 12:29:12,480 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:29:12" (1/1) ... [2023-12-02 12:29:12,517 INFO L138 Inliner]: procedures = 26, calls = 36, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 171 [2023-12-02 12:29:12,517 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 12:29:12,518 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 12:29:12,518 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 12:29:12,518 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 12:29:12,529 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:29:12" (1/1) ... [2023-12-02 12:29:12,529 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:29:12" (1/1) ... [2023-12-02 12:29:12,532 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:29:12" (1/1) ... [2023-12-02 12:29:12,533 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:29:12" (1/1) ... [2023-12-02 12:29:12,542 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:29:12" (1/1) ... [2023-12-02 12:29:12,546 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:29:12" (1/1) ... [2023-12-02 12:29:12,549 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:29:12" (1/1) ... [2023-12-02 12:29:12,551 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:29:12" (1/1) ... [2023-12-02 12:29:12,555 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 12:29:12,556 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 12:29:12,556 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 12:29:12,556 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 12:29:12,557 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:29:12" (1/1) ... [2023-12-02 12:29:12,565 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 12:29:12,580 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a2b3ebe-94b0-44ee-b767-5579bf15c653/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 12:29:12,597 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a2b3ebe-94b0-44ee-b767-5579bf15c653/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-12-02 12:29:12,604 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a2b3ebe-94b0-44ee-b767-5579bf15c653/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-12-02 12:29:12,641 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 12:29:12,641 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-02 12:29:12,642 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-02 12:29:12,642 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 12:29:12,642 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 12:29:12,642 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 12:29:12,746 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 12:29:12,749 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 12:29:13,115 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 12:29:13,368 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 12:29:13,368 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-02 12:29:13,370 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 12:29:13 BoogieIcfgContainer [2023-12-02 12:29:13,370 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 12:29:13,372 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-02 12:29:13,373 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-02 12:29:13,376 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-02 12:29:13,376 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 12:29:12" (1/3) ... [2023-12-02 12:29:13,377 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@20c5b44b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 12:29:13, skipping insertion in model container [2023-12-02 12:29:13,377 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:29:12" (2/3) ... [2023-12-02 12:29:13,378 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@20c5b44b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 12:29:13, skipping insertion in model container [2023-12-02 12:29:13,378 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 12:29:13" (3/3) ... [2023-12-02 12:29:13,379 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_codestructure_steplocals_file-76.i [2023-12-02 12:29:13,396 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-02 12:29:13,397 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-02 12:29:13,445 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-02 12:29:13,452 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;@2a970fa9, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-02 12:29:13,452 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-02 12:29:13,456 INFO L276 IsEmpty]: Start isEmpty. Operand has 45 states, 19 states have (on average 1.1578947368421053) internal successors, (22), 20 states have internal predecessors, (22), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2023-12-02 12:29:13,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2023-12-02 12:29:13,466 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 12:29:13,467 INFO L195 NwaCegarLoop]: trace histogram [23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:29:13,467 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 12:29:13,472 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 12:29:13,472 INFO L85 PathProgramCache]: Analyzing trace with hash 795747682, now seen corresponding path program 1 times [2023-12-02 12:29:13,480 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 12:29:13,481 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [753485831] [2023-12-02 12:29:13,481 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 12:29:13,481 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 12:29:13,643 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-02 12:29:13,643 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1011841570] [2023-12-02 12:29:13,644 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 12:29:13,644 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 12:29:13,645 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a2b3ebe-94b0-44ee-b767-5579bf15c653/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 12:29:13,651 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a2b3ebe-94b0-44ee-b767-5579bf15c653/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 12:29:13,664 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a2b3ebe-94b0-44ee-b767-5579bf15c653/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-12-02 12:29:13,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 12:29:13,952 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 12:29:14,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 12:29:14,116 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-12-02 12:29:14,119 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-12-02 12:29:14,120 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-02 12:29:14,136 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a2b3ebe-94b0-44ee-b767-5579bf15c653/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-12-02 12:29:14,323 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a2b3ebe-94b0-44ee-b767-5579bf15c653/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 12:29:14,327 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-12-02 12:29:14,330 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-12-02 12:29:14,393 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 12:29:14 BoogieIcfgContainer [2023-12-02 12:29:14,393 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-02 12:29:14,393 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-02 12:29:14,394 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-02 12:29:14,394 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-02 12:29:14,394 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 12:29:13" (3/4) ... [2023-12-02 12:29:14,396 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-02 12:29:14,397 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-02 12:29:14,398 INFO L158 Benchmark]: Toolchain (without parser) took 2295.71ms. Allocated memory is still 195.0MB. Free memory was 159.5MB in the beginning and 105.9MB in the end (delta: 53.6MB). Peak memory consumption was 54.2MB. Max. memory is 16.1GB. [2023-12-02 12:29:14,399 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 117.4MB. Free memory is still 65.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 12:29:14,399 INFO L158 Benchmark]: CACSL2BoogieTranslator took 354.73ms. Allocated memory is still 195.0MB. Free memory was 159.5MB in the beginning and 145.9MB in the end (delta: 13.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-12-02 12:29:14,400 INFO L158 Benchmark]: Boogie Procedure Inliner took 57.42ms. Allocated memory is still 195.0MB. Free memory was 145.9MB in the beginning and 143.3MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 12:29:14,401 INFO L158 Benchmark]: Boogie Preprocessor took 37.03ms. Allocated memory is still 195.0MB. Free memory was 143.3MB in the beginning and 141.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 12:29:14,401 INFO L158 Benchmark]: RCFGBuilder took 814.45ms. Allocated memory is still 195.0MB. Free memory was 141.2MB in the beginning and 147.8MB in the end (delta: -6.6MB). Peak memory consumption was 37.4MB. Max. memory is 16.1GB. [2023-12-02 12:29:14,402 INFO L158 Benchmark]: TraceAbstraction took 1020.41ms. Allocated memory is still 195.0MB. Free memory was 146.8MB in the beginning and 105.9MB in the end (delta: 40.9MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB. [2023-12-02 12:29:14,402 INFO L158 Benchmark]: Witness Printer took 3.81ms. Allocated memory is still 195.0MB. Free memory is still 105.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 12:29:14,406 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 117.4MB. Free memory is still 65.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 354.73ms. Allocated memory is still 195.0MB. Free memory was 159.5MB in the beginning and 145.9MB in the end (delta: 13.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 57.42ms. Allocated memory is still 195.0MB. Free memory was 145.9MB in the beginning and 143.3MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 37.03ms. Allocated memory is still 195.0MB. Free memory was 143.3MB in the beginning and 141.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 814.45ms. Allocated memory is still 195.0MB. Free memory was 141.2MB in the beginning and 147.8MB in the end (delta: -6.6MB). Peak memory consumption was 37.4MB. Max. memory is 16.1GB. * TraceAbstraction took 1020.41ms. Allocated memory is still 195.0MB. Free memory was 146.8MB in the beginning and 105.9MB in the end (delta: 40.9MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB. * Witness Printer took 3.81ms. Allocated memory is still 195.0MB. Free memory is still 105.9MB. 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 someBinaryDOUBLEComparisonOperation at line 46, overapproximation of someBinaryFLOATComparisonOperation at line 130, overapproximation of bitwiseOr at line 85. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] double var_1_1 = 256.5; [L23] unsigned char var_1_2 = 0; [L24] double var_1_3 = 7.5; [L25] double var_1_4 = 256.2; [L26] double var_1_5 = 2.75; [L27] signed long int var_1_6 = -64; [L28] double var_1_7 = 8.05; [L29] float var_1_8 = 5.25; [L30] signed char var_1_9 = -16; [L31] signed long int var_1_10 = 1; [L32] signed long int var_1_11 = 4; [L33] signed long int var_1_12 = 0; [L34] signed long int var_1_13 = -16; [L35] unsigned short int var_1_14 = 10000; [L36] unsigned short int var_1_15 = 5; [L37] unsigned short int var_1_16 = 5; [L38] unsigned short int var_1_17 = 4; [L39] unsigned char var_1_18 = 100; [L40] unsigned char var_1_19 = 1; [L41] unsigned char var_1_20 = 8; [L134] isInitial = 1 [L135] FCALL initially() [L136] COND TRUE 1 [L137] FCALL updateLastVariables() [L138] CALL updateVariables() [L90] var_1_2 = __VERIFIER_nondet_uchar() [L91] CALL assume_abort_if_not(var_1_2 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=4, var_1_12=0, var_1_13=-16, var_1_14=10000, var_1_15=5, var_1_16=5, var_1_17=4, var_1_18=100, var_1_19=1, var_1_1=513/2, var_1_20=8, var_1_3=15/2, var_1_4=1281/5, var_1_5=11/4, var_1_6=-64, var_1_7=161/20, var_1_8=21/4, var_1_9=-16] [L20] COND FALSE !(!cond) [L91] RET assume_abort_if_not(var_1_2 >= 0) VAL [isInitial=1, var_1_10=1, var_1_11=4, var_1_12=0, var_1_13=-16, var_1_14=10000, var_1_15=5, var_1_16=5, var_1_17=4, var_1_18=100, var_1_19=1, var_1_1=513/2, var_1_20=8, var_1_3=15/2, var_1_4=1281/5, var_1_5=11/4, var_1_6=-64, var_1_7=161/20, var_1_8=21/4, var_1_9=-16] [L92] CALL assume_abort_if_not(var_1_2 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=4, var_1_12=0, var_1_13=-16, var_1_14=10000, var_1_15=5, var_1_16=5, var_1_17=4, var_1_18=100, var_1_19=1, var_1_1=513/2, var_1_20=8, var_1_2=0, var_1_3=15/2, var_1_4=1281/5, var_1_5=11/4, var_1_6=-64, var_1_7=161/20, var_1_8=21/4, var_1_9=-16] [L20] COND FALSE !(!cond) [L92] RET assume_abort_if_not(var_1_2 <= 1) VAL [isInitial=1, var_1_10=1, var_1_11=4, var_1_12=0, var_1_13=-16, var_1_14=10000, var_1_15=5, var_1_16=5, var_1_17=4, var_1_18=100, var_1_19=1, var_1_1=513/2, var_1_20=8, var_1_2=0, var_1_3=15/2, var_1_4=1281/5, var_1_5=11/4, var_1_6=-64, var_1_7=161/20, var_1_8=21/4, var_1_9=-16] [L93] var_1_3 = __VERIFIER_nondet_double() [L94] CALL assume_abort_if_not((var_1_3 >= -922337.2036854765600e+13F && var_1_3 <= -1.0e-20F) || (var_1_3 <= 9223372.036854765600e+12F && var_1_3 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=4, var_1_12=0, var_1_13=-16, var_1_14=10000, var_1_15=5, var_1_16=5, var_1_17=4, var_1_18=100, var_1_19=1, var_1_1=513/2, var_1_20=8, var_1_2=0, var_1_4=1281/5, var_1_5=11/4, var_1_6=-64, var_1_7=161/20, var_1_8=21/4, var_1_9=-16] [L20] COND FALSE !(!cond) [L94] RET assume_abort_if_not((var_1_3 >= -922337.2036854765600e+13F && var_1_3 <= -1.0e-20F) || (var_1_3 <= 9223372.036854765600e+12F && var_1_3 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=1, var_1_11=4, var_1_12=0, var_1_13=-16, var_1_14=10000, var_1_15=5, var_1_16=5, var_1_17=4, var_1_18=100, var_1_19=1, var_1_1=513/2, var_1_20=8, var_1_2=0, var_1_4=1281/5, var_1_5=11/4, var_1_6=-64, var_1_7=161/20, var_1_8=21/4, var_1_9=-16] [L95] var_1_4 = __VERIFIER_nondet_double() [L96] CALL assume_abort_if_not((var_1_4 >= -922337.2036854765600e+13F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 9223372.036854765600e+12F && var_1_4 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=4, var_1_12=0, var_1_13=-16, var_1_14=10000, var_1_15=5, var_1_16=5, var_1_17=4, var_1_18=100, var_1_19=1, var_1_1=513/2, var_1_20=8, var_1_2=0, var_1_5=11/4, var_1_6=-64, var_1_7=161/20, var_1_8=21/4, var_1_9=-16] [L20] COND FALSE !(!cond) [L96] RET assume_abort_if_not((var_1_4 >= -922337.2036854765600e+13F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 9223372.036854765600e+12F && var_1_4 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=1, var_1_11=4, var_1_12=0, var_1_13=-16, var_1_14=10000, var_1_15=5, var_1_16=5, var_1_17=4, var_1_18=100, var_1_19=1, var_1_1=513/2, var_1_20=8, var_1_2=0, var_1_5=11/4, var_1_6=-64, var_1_7=161/20, var_1_8=21/4, var_1_9=-16] [L97] var_1_5 = __VERIFIER_nondet_double() [L98] CALL assume_abort_if_not((var_1_5 >= -922337.2036854765600e+13F && var_1_5 <= -1.0e-20F) || (var_1_5 <= 9223372.036854765600e+12F && var_1_5 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=4, var_1_12=0, var_1_13=-16, var_1_14=10000, var_1_15=5, var_1_16=5, var_1_17=4, var_1_18=100, var_1_19=1, var_1_1=513/2, var_1_20=8, var_1_2=0, var_1_6=-64, var_1_7=161/20, var_1_8=21/4, var_1_9=-16] [L20] COND FALSE !(!cond) [L98] RET assume_abort_if_not((var_1_5 >= -922337.2036854765600e+13F && var_1_5 <= -1.0e-20F) || (var_1_5 <= 9223372.036854765600e+12F && var_1_5 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=1, var_1_11=4, var_1_12=0, var_1_13=-16, var_1_14=10000, var_1_15=5, var_1_16=5, var_1_17=4, var_1_18=100, var_1_19=1, var_1_1=513/2, var_1_20=8, var_1_2=0, var_1_6=-64, var_1_7=161/20, var_1_8=21/4, var_1_9=-16] [L99] var_1_7 = __VERIFIER_nondet_double() [L100] CALL assume_abort_if_not((var_1_7 >= -922337.2036854776000e+13F && var_1_7 <= -1.0e-20F) || (var_1_7 <= 9223372.036854776000e+12F && var_1_7 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=4, var_1_12=0, var_1_13=-16, var_1_14=10000, var_1_15=5, var_1_16=5, var_1_17=4, var_1_18=100, var_1_19=1, var_1_1=513/2, var_1_20=8, var_1_2=0, var_1_6=-64, var_1_8=21/4, var_1_9=-16] [L20] COND FALSE !(!cond) [L100] RET assume_abort_if_not((var_1_7 >= -922337.2036854776000e+13F && var_1_7 <= -1.0e-20F) || (var_1_7 <= 9223372.036854776000e+12F && var_1_7 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=1, var_1_11=4, var_1_12=0, var_1_13=-16, var_1_14=10000, var_1_15=5, var_1_16=5, var_1_17=4, var_1_18=100, var_1_19=1, var_1_1=513/2, var_1_20=8, var_1_2=0, var_1_6=-64, var_1_8=21/4, var_1_9=-16] [L101] CALL assume_abort_if_not(var_1_7 != 0.0F) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=4, var_1_12=0, var_1_13=-16, var_1_14=10000, var_1_15=5, var_1_16=5, var_1_17=4, var_1_18=100, var_1_19=1, var_1_1=513/2, var_1_20=8, var_1_2=0, var_1_6=-64, var_1_8=21/4, var_1_9=-16] [L20] COND FALSE !(!cond) [L101] RET assume_abort_if_not(var_1_7 != 0.0F) VAL [isInitial=1, var_1_10=1, var_1_11=4, var_1_12=0, var_1_13=-16, var_1_14=10000, var_1_15=5, var_1_16=5, var_1_17=4, var_1_18=100, var_1_19=1, var_1_1=513/2, var_1_20=8, var_1_2=0, var_1_6=-64, var_1_8=21/4, var_1_9=-16] [L102] var_1_9 = __VERIFIER_nondet_char() [L103] CALL assume_abort_if_not(var_1_9 >= -128) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=4, var_1_12=0, var_1_13=-16, var_1_14=10000, var_1_15=5, var_1_16=5, var_1_17=4, var_1_18=100, var_1_19=1, var_1_1=513/2, var_1_20=8, var_1_2=0, var_1_6=-64, var_1_8=21/4, var_1_9=64] [L20] COND FALSE !(!cond) [L103] RET assume_abort_if_not(var_1_9 >= -128) VAL [isInitial=1, var_1_10=1, var_1_11=4, var_1_12=0, var_1_13=-16, var_1_14=10000, var_1_15=5, var_1_16=5, var_1_17=4, var_1_18=100, var_1_19=1, var_1_1=513/2, var_1_20=8, var_1_2=0, var_1_6=-64, var_1_8=21/4, var_1_9=64] [L104] CALL assume_abort_if_not(var_1_9 <= 127) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=4, var_1_12=0, var_1_13=-16, var_1_14=10000, var_1_15=5, var_1_16=5, var_1_17=4, var_1_18=100, var_1_19=1, var_1_1=513/2, var_1_20=8, var_1_2=0, var_1_6=-64, var_1_8=21/4, var_1_9=64] [L20] COND FALSE !(!cond) [L104] RET assume_abort_if_not(var_1_9 <= 127) VAL [isInitial=1, var_1_10=1, var_1_11=4, var_1_12=0, var_1_13=-16, var_1_14=10000, var_1_15=5, var_1_16=5, var_1_17=4, var_1_18=100, var_1_19=1, var_1_1=513/2, var_1_20=8, var_1_2=0, var_1_6=-64, var_1_8=21/4, var_1_9=64] [L105] var_1_10 = __VERIFIER_nondet_long() [L106] CALL assume_abort_if_not(var_1_10 >= -2147483648) VAL [\old(cond)=1, isInitial=1, var_1_10=-4095, var_1_11=4, var_1_12=0, var_1_13=-16, var_1_14=10000, var_1_15=5, var_1_16=5, var_1_17=4, var_1_18=100, var_1_19=1, var_1_1=513/2, var_1_20=8, var_1_2=0, var_1_6=-64, var_1_8=21/4, var_1_9=64] [L20] COND FALSE !(!cond) [L106] RET assume_abort_if_not(var_1_10 >= -2147483648) VAL [isInitial=1, var_1_10=-4095, var_1_11=4, var_1_12=0, var_1_13=-16, var_1_14=10000, var_1_15=5, var_1_16=5, var_1_17=4, var_1_18=100, var_1_19=1, var_1_1=513/2, var_1_20=8, var_1_2=0, var_1_6=-64, var_1_8=21/4, var_1_9=64] [L107] CALL assume_abort_if_not(var_1_10 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=-4095, var_1_11=4, var_1_12=0, var_1_13=-16, var_1_14=10000, var_1_15=5, var_1_16=5, var_1_17=4, var_1_18=100, var_1_19=1, var_1_1=513/2, var_1_20=8, var_1_2=0, var_1_6=-64, var_1_8=21/4, var_1_9=64] [L20] COND FALSE !(!cond) [L107] RET assume_abort_if_not(var_1_10 <= 2147483647) VAL [isInitial=1, var_1_10=-4095, var_1_11=4, var_1_12=0, var_1_13=-16, var_1_14=10000, var_1_15=5, var_1_16=5, var_1_17=4, var_1_18=100, var_1_19=1, var_1_1=513/2, var_1_20=8, var_1_2=0, var_1_6=-64, var_1_8=21/4, var_1_9=64] [L108] var_1_12 = __VERIFIER_nondet_long() [L109] CALL assume_abort_if_not(var_1_12 >= -1073741823) VAL [\old(cond)=1, isInitial=1, var_1_10=-4095, var_1_11=4, var_1_12=192, var_1_13=-16, var_1_14=10000, var_1_15=5, var_1_16=5, var_1_17=4, var_1_18=100, var_1_19=1, var_1_1=513/2, var_1_20=8, var_1_2=0, var_1_6=-64, var_1_8=21/4, var_1_9=64] [L20] COND FALSE !(!cond) [L109] RET assume_abort_if_not(var_1_12 >= -1073741823) VAL [isInitial=1, var_1_10=-4095, var_1_11=4, var_1_12=192, var_1_13=-16, var_1_14=10000, var_1_15=5, var_1_16=5, var_1_17=4, var_1_18=100, var_1_19=1, var_1_1=513/2, var_1_20=8, var_1_2=0, var_1_6=-64, var_1_8=21/4, var_1_9=64] [L110] CALL assume_abort_if_not(var_1_12 <= 1073741823) VAL [\old(cond)=1, isInitial=1, var_1_10=-4095, var_1_11=4, var_1_12=192, var_1_13=-16, var_1_14=10000, var_1_15=5, var_1_16=5, var_1_17=4, var_1_18=100, var_1_19=1, var_1_1=513/2, var_1_20=8, var_1_2=0, var_1_6=-64, var_1_8=21/4, var_1_9=64] [L20] COND FALSE !(!cond) [L110] RET assume_abort_if_not(var_1_12 <= 1073741823) VAL [isInitial=1, var_1_10=-4095, var_1_11=4, var_1_12=192, var_1_13=-16, var_1_14=10000, var_1_15=5, var_1_16=5, var_1_17=4, var_1_18=100, var_1_19=1, var_1_1=513/2, var_1_20=8, var_1_2=0, var_1_6=-64, var_1_8=21/4, var_1_9=64] [L111] var_1_13 = __VERIFIER_nondet_long() [L112] CALL assume_abort_if_not(var_1_13 >= -1073741823) VAL [\old(cond)=1, isInitial=1, var_1_10=-4095, var_1_11=4, var_1_12=192, var_1_13=257, var_1_14=10000, var_1_15=5, var_1_16=5, var_1_17=4, var_1_18=100, var_1_19=1, var_1_1=513/2, var_1_20=8, var_1_2=0, var_1_6=-64, var_1_8=21/4, var_1_9=64] [L20] COND FALSE !(!cond) [L112] RET assume_abort_if_not(var_1_13 >= -1073741823) VAL [isInitial=1, var_1_10=-4095, var_1_11=4, var_1_12=192, var_1_13=257, var_1_14=10000, var_1_15=5, var_1_16=5, var_1_17=4, var_1_18=100, var_1_19=1, var_1_1=513/2, var_1_20=8, var_1_2=0, var_1_6=-64, var_1_8=21/4, var_1_9=64] [L113] CALL assume_abort_if_not(var_1_13 <= 1073741823) VAL [\old(cond)=1, isInitial=1, var_1_10=-4095, var_1_11=4, var_1_12=192, var_1_13=257, var_1_14=10000, var_1_15=5, var_1_16=5, var_1_17=4, var_1_18=100, var_1_19=1, var_1_1=513/2, var_1_20=8, var_1_2=0, var_1_6=-64, var_1_8=21/4, var_1_9=64] [L20] COND FALSE !(!cond) [L113] RET assume_abort_if_not(var_1_13 <= 1073741823) VAL [isInitial=1, var_1_10=-4095, var_1_11=4, var_1_12=192, var_1_13=257, var_1_14=10000, var_1_15=5, var_1_16=5, var_1_17=4, var_1_18=100, var_1_19=1, var_1_1=513/2, var_1_20=8, var_1_2=0, var_1_6=-64, var_1_8=21/4, var_1_9=64] [L114] var_1_15 = __VERIFIER_nondet_ushort() [L115] CALL assume_abort_if_not(var_1_15 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=-4095, var_1_11=4, var_1_12=192, var_1_13=257, var_1_14=10000, var_1_16=5, var_1_17=4, var_1_18=100, var_1_19=1, var_1_1=513/2, var_1_20=8, var_1_2=0, var_1_6=-64, var_1_8=21/4, var_1_9=64] [L20] COND FALSE !(!cond) [L115] RET assume_abort_if_not(var_1_15 >= 0) VAL [isInitial=1, var_1_10=-4095, var_1_11=4, var_1_12=192, var_1_13=257, var_1_14=10000, var_1_16=5, var_1_17=4, var_1_18=100, var_1_19=1, var_1_1=513/2, var_1_20=8, var_1_2=0, var_1_6=-64, var_1_8=21/4, var_1_9=64] [L116] CALL assume_abort_if_not(var_1_15 <= 65534) VAL [\old(cond)=1, isInitial=1, var_1_10=-4095, var_1_11=4, var_1_12=192, var_1_13=257, var_1_14=10000, var_1_15=10000, var_1_16=5, var_1_17=4, var_1_18=100, var_1_19=1, var_1_1=513/2, var_1_20=8, var_1_2=0, var_1_6=-64, var_1_8=21/4, var_1_9=64] [L20] COND FALSE !(!cond) [L116] RET assume_abort_if_not(var_1_15 <= 65534) VAL [isInitial=1, var_1_10=-4095, var_1_11=4, var_1_12=192, var_1_13=257, var_1_14=10000, var_1_15=10000, var_1_16=5, var_1_17=4, var_1_18=100, var_1_19=1, var_1_1=513/2, var_1_20=8, var_1_2=0, var_1_6=-64, var_1_8=21/4, var_1_9=64] [L117] var_1_16 = __VERIFIER_nondet_ushort() [L118] CALL assume_abort_if_not(var_1_16 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=-4095, var_1_11=4, var_1_12=192, var_1_13=257, var_1_14=10000, var_1_15=10000, var_1_17=4, var_1_18=100, var_1_19=1, var_1_1=513/2, var_1_20=8, var_1_2=0, var_1_6=-64, var_1_8=21/4, var_1_9=64] [L20] COND FALSE !(!cond) [L118] RET assume_abort_if_not(var_1_16 >= 0) VAL [isInitial=1, var_1_10=-4095, var_1_11=4, var_1_12=192, var_1_13=257, var_1_14=10000, var_1_15=10000, var_1_17=4, var_1_18=100, var_1_19=1, var_1_1=513/2, var_1_20=8, var_1_2=0, var_1_6=-64, var_1_8=21/4, var_1_9=64] [L119] CALL assume_abort_if_not(var_1_16 <= 65534) VAL [\old(cond)=1, isInitial=1, var_1_10=-4095, var_1_11=4, var_1_12=192, var_1_13=257, var_1_14=10000, var_1_15=10000, var_1_16=9936, var_1_17=4, var_1_18=100, var_1_19=1, var_1_1=513/2, var_1_20=8, var_1_2=0, var_1_6=-64, var_1_8=21/4, var_1_9=64] [L20] COND FALSE !(!cond) [L119] RET assume_abort_if_not(var_1_16 <= 65534) VAL [isInitial=1, var_1_10=-4095, var_1_11=4, var_1_12=192, var_1_13=257, var_1_14=10000, var_1_15=10000, var_1_16=9936, var_1_17=4, var_1_18=100, var_1_19=1, var_1_1=513/2, var_1_20=8, var_1_2=0, var_1_6=-64, var_1_8=21/4, var_1_9=64] [L120] var_1_19 = __VERIFIER_nondet_uchar() [L121] CALL assume_abort_if_not(var_1_19 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=-4095, var_1_11=4, var_1_12=192, var_1_13=257, var_1_14=10000, var_1_15=10000, var_1_16=9936, var_1_17=4, var_1_18=100, var_1_1=513/2, var_1_20=8, var_1_2=0, var_1_6=-64, var_1_8=21/4, var_1_9=64] [L20] COND FALSE !(!cond) [L121] RET assume_abort_if_not(var_1_19 >= 0) VAL [isInitial=1, var_1_10=-4095, var_1_11=4, var_1_12=192, var_1_13=257, var_1_14=10000, var_1_15=10000, var_1_16=9936, var_1_17=4, var_1_18=100, var_1_1=513/2, var_1_20=8, var_1_2=0, var_1_6=-64, var_1_8=21/4, var_1_9=64] [L122] CALL assume_abort_if_not(var_1_19 <= 64) VAL [\old(cond)=1, isInitial=1, var_1_10=-4095, var_1_11=4, var_1_12=192, var_1_13=257, var_1_14=10000, var_1_15=10000, var_1_16=9936, var_1_17=4, var_1_18=100, var_1_19=0, var_1_1=513/2, var_1_20=8, var_1_2=0, var_1_6=-64, var_1_8=21/4, var_1_9=64] [L20] COND FALSE !(!cond) [L122] RET assume_abort_if_not(var_1_19 <= 64) VAL [isInitial=1, var_1_10=-4095, var_1_11=4, var_1_12=192, var_1_13=257, var_1_14=10000, var_1_15=10000, var_1_16=9936, var_1_17=4, var_1_18=100, var_1_19=0, var_1_1=513/2, var_1_20=8, var_1_2=0, var_1_6=-64, var_1_8=21/4, var_1_9=64] [L123] var_1_20 = __VERIFIER_nondet_uchar() [L124] CALL assume_abort_if_not(var_1_20 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=-4095, var_1_11=4, var_1_12=192, var_1_13=257, var_1_14=10000, var_1_15=10000, var_1_16=9936, var_1_17=4, var_1_18=100, var_1_19=0, var_1_1=513/2, var_1_2=0, var_1_6=-64, var_1_8=21/4, var_1_9=64] [L20] COND FALSE !(!cond) [L124] RET assume_abort_if_not(var_1_20 >= 0) VAL [isInitial=1, var_1_10=-4095, var_1_11=4, var_1_12=192, var_1_13=257, var_1_14=10000, var_1_15=10000, var_1_16=9936, var_1_17=4, var_1_18=100, var_1_19=0, var_1_1=513/2, var_1_2=0, var_1_6=-64, var_1_8=21/4, var_1_9=64] [L125] CALL assume_abort_if_not(var_1_20 <= 63) VAL [\old(cond)=1, isInitial=1, var_1_10=-4095, var_1_11=4, var_1_12=192, var_1_13=257, var_1_14=10000, var_1_15=10000, var_1_16=9936, var_1_17=4, var_1_18=100, var_1_19=0, var_1_1=513/2, var_1_20=63, var_1_2=0, var_1_6=-64, var_1_8=21/4, var_1_9=64] [L20] COND FALSE !(!cond) [L125] RET assume_abort_if_not(var_1_20 <= 63) VAL [isInitial=1, var_1_10=-4095, var_1_11=4, var_1_12=192, var_1_13=257, var_1_14=10000, var_1_15=10000, var_1_16=9936, var_1_17=4, var_1_18=100, var_1_19=0, var_1_1=513/2, var_1_20=63, var_1_2=0, var_1_6=-64, var_1_8=21/4, var_1_9=64] [L138] RET updateVariables() [L139] CALL step() [L45] COND TRUE ! var_1_2 [L46] var_1_1 = ((((((((var_1_3) < (var_1_4)) ? (var_1_3) : (var_1_4)))) < (var_1_5)) ? (((((var_1_3) < (var_1_4)) ? (var_1_3) : (var_1_4)))) : (var_1_5))) [L50] COND FALSE !(var_1_5 > (var_1_3 / var_1_7)) [L55] signed long int stepLocal_0 = var_1_10; [L56] COND FALSE !((var_1_6 * var_1_9) >= stepLocal_0) [L61] COND FALSE !(var_1_4 <= var_1_1) [L64] var_1_11 = (((((-256) < (var_1_9)) ? (-256) : (var_1_9))) + ((((var_1_12) < (((((var_1_13) > (256)) ? (var_1_13) : (256))))) ? (var_1_12) : (((((var_1_13) > (256)) ? (var_1_13) : (256))))))) [L66] COND TRUE var_1_5 >= var_1_1 [L67] COND TRUE ((((1.2) < 0 ) ? -(1.2) : (1.2))) < var_1_4 [L68] var_1_14 = var_1_15 [L73] COND FALSE !(\read(var_1_2)) [L82] var_1_17 = var_1_16 [L84] unsigned short int stepLocal_1 = var_1_16; [L85] EXPR var_1_11 | var_1_6 [L85] COND FALSE !((var_1_14 + (var_1_11 | var_1_6)) > stepLocal_1) [L139] RET step() [L140] CALL, EXPR property() [L130] EXPR (((((((! var_1_2) ? (var_1_1 == ((double) ((((((((var_1_3) < (var_1_4)) ? (var_1_3) : (var_1_4)))) < (var_1_5)) ? (((((var_1_3) < (var_1_4)) ? (var_1_3) : (var_1_4)))) : (var_1_5))))) : (var_1_1 == ((double) var_1_4))) && ((var_1_5 > (var_1_3 / var_1_7)) ? ((! var_1_2) ? (var_1_6 == ((signed long int) -10)) : 1) : 1)) && (((var_1_6 * var_1_9) >= var_1_10) ? (var_1_2 ? (var_1_8 == ((float) var_1_4)) : 1) : 1)) && ((var_1_4 <= var_1_1) ? (var_1_11 == ((signed long int) (var_1_9 + -128))) : (var_1_11 == ((signed long int) (((((-256) < (var_1_9)) ? (-256) : (var_1_9))) + ((((var_1_12) < (((((var_1_13) > (256)) ? (var_1_13) : (256))))) ? (var_1_12) : (((((var_1_13) > (256)) ? (var_1_13) : (256))))))))))) && ((var_1_5 >= var_1_1) ? ((((((1.2) < 0 ) ? -(1.2) : (1.2))) < var_1_4) ? (var_1_14 == ((unsigned short int) var_1_15)) : (var_1_14 == ((unsigned short int) var_1_16))) : 1)) && (var_1_2 ? ((var_1_1 == var_1_5) ? (((128 * ((((var_1_9) < (var_1_10)) ? (var_1_9) : (var_1_10)))) > 1) ? (var_1_17 == ((unsigned short int) var_1_16)) : 1) : (var_1_17 == ((unsigned short int) var_1_15))) : (var_1_17 == ((unsigned short int) var_1_16)))) && (((var_1_14 + (var_1_11 | var_1_6)) > var_1_16) ? (var_1_18 == ((unsigned char) (128 - (var_1_19 + var_1_20)))) : 1) [L130-L131] return (((((((! var_1_2) ? (var_1_1 == ((double) ((((((((var_1_3) < (var_1_4)) ? (var_1_3) : (var_1_4)))) < (var_1_5)) ? (((((var_1_3) < (var_1_4)) ? (var_1_3) : (var_1_4)))) : (var_1_5))))) : (var_1_1 == ((double) var_1_4))) && ((var_1_5 > (var_1_3 / var_1_7)) ? ((! var_1_2) ? (var_1_6 == ((signed long int) -10)) : 1) : 1)) && (((var_1_6 * var_1_9) >= var_1_10) ? (var_1_2 ? (var_1_8 == ((float) var_1_4)) : 1) : 1)) && ((var_1_4 <= var_1_1) ? (var_1_11 == ((signed long int) (var_1_9 + -128))) : (var_1_11 == ((signed long int) (((((-256) < (var_1_9)) ? (-256) : (var_1_9))) + ((((var_1_12) < (((((var_1_13) > (256)) ? (var_1_13) : (256))))) ? (var_1_12) : (((((var_1_13) > (256)) ? (var_1_13) : (256))))))))))) && ((var_1_5 >= var_1_1) ? ((((((1.2) < 0 ) ? -(1.2) : (1.2))) < var_1_4) ? (var_1_14 == ((unsigned short int) var_1_15)) : (var_1_14 == ((unsigned short int) var_1_16))) : 1)) && (var_1_2 ? ((var_1_1 == var_1_5) ? (((128 * ((((var_1_9) < (var_1_10)) ? (var_1_9) : (var_1_10)))) > 1) ? (var_1_17 == ((unsigned short int) var_1_16)) : 1) : (var_1_17 == ((unsigned short int) var_1_15))) : (var_1_17 == ((unsigned short int) var_1_16)))) && (((var_1_14 + (var_1_11 | var_1_6)) > var_1_16) ? (var_1_18 == ((unsigned char) (128 - (var_1_19 + var_1_20)))) : 1) ; [L140] RET, EXPR property() [L140] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, var_1_10=-4095, var_1_11=-64, var_1_12=192, var_1_13=257, var_1_14=10000, var_1_15=10000, var_1_16=9936, var_1_17=9936, var_1_18=100, var_1_19=0, var_1_1=2, var_1_20=63, var_1_2=0, var_1_3=2, var_1_4=0, var_1_5=0, var_1_6=-64, var_1_8=21/4, var_1_9=64] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, var_1_10=-4095, var_1_11=-64, var_1_12=192, var_1_13=257, var_1_14=10000, var_1_15=10000, var_1_16=9936, var_1_17=9936, var_1_18=100, var_1_19=0, var_1_1=2, var_1_20=63, var_1_2=0, var_1_3=2, var_1_4=0, var_1_5=0, var_1_6=-64, var_1_8=21/4, var_1_9=64] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 45 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.9s, OverallIterations: 1, TraceHistogramMax: 23, 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=45occurred 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, 0.2s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 86 NumberOfCodeBlocks, 86 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 12:29:14,431 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a2b3ebe-94b0-44ee-b767-5579bf15c653/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a2b3ebe-94b0-44ee-b767-5579bf15c653/bin/utaipan-verify-nQ1chXbOIh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a2b3ebe-94b0-44ee-b767-5579bf15c653/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_7a2b3ebe-94b0-44ee-b767-5579bf15c653/bin/utaipan-verify-nQ1chXbOIh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a2b3ebe-94b0-44ee-b767-5579bf15c653/bin/utaipan-verify-nQ1chXbOIh/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-76.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a2b3ebe-94b0-44ee-b767-5579bf15c653/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_7a2b3ebe-94b0-44ee-b767-5579bf15c653/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 811e442ced91272f27290482f64220479ec828b108df11e4b6856fb1b291eb09 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 12:29:16,585 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 12:29:16,664 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a2b3ebe-94b0-44ee-b767-5579bf15c653/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2023-12-02 12:29:16,670 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 12:29:16,670 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-02 12:29:16,700 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 12:29:16,700 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-02 12:29:16,701 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-02 12:29:16,701 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 12:29:16,702 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-02 12:29:16,703 INFO L153 SettingsManager]: * User list type=DISABLED [2023-12-02 12:29:16,703 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-12-02 12:29:16,704 INFO L153 SettingsManager]: * Explicit value domain=true [2023-12-02 12:29:16,704 INFO L153 SettingsManager]: * Octagon Domain=false [2023-12-02 12:29:16,705 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-12-02 12:29:16,705 INFO L153 SettingsManager]: * Interval Domain=false [2023-12-02 12:29:16,706 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 12:29:16,707 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 12:29:16,708 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 12:29:16,708 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 12:29:16,709 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 12:29:16,709 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 12:29:16,710 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 12:29:16,710 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 12:29:16,711 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-02 12:29:16,711 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-02 12:29:16,712 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-02 12:29:16,712 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 12:29:16,712 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 12:29:16,713 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 12:29:16,713 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 12:29:16,714 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-02 12:29:16,714 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-02 12:29:16,714 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-02 12:29:16,714 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 12:29:16,715 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 12:29:16,715 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 12:29:16,715 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 12:29:16,715 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-02 12:29:16,716 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 12:29:16,716 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-02 12:29:16,716 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 12:29:16,717 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-12-02 12:29:16,717 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 12:29:16,717 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_7a2b3ebe-94b0-44ee-b767-5579bf15c653/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a2b3ebe-94b0-44ee-b767-5579bf15c653/bin/utaipan-verify-nQ1chXbOIh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 811e442ced91272f27290482f64220479ec828b108df11e4b6856fb1b291eb09 [2023-12-02 12:29:17,029 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 12:29:17,049 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 12:29:17,052 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 12:29:17,053 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 12:29:17,053 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 12:29:17,055 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a2b3ebe-94b0-44ee-b767-5579bf15c653/bin/utaipan-verify-nQ1chXbOIh/../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-76.i [2023-12-02 12:29:19,964 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 12:29:20,191 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 12:29:20,192 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a2b3ebe-94b0-44ee-b767-5579bf15c653/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-76.i [2023-12-02 12:29:20,204 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a2b3ebe-94b0-44ee-b767-5579bf15c653/bin/utaipan-verify-nQ1chXbOIh/data/4f135a51f/e13ded1c5a844667b182a71cbfabfa60/FLAGabf009742 [2023-12-02 12:29:20,222 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a2b3ebe-94b0-44ee-b767-5579bf15c653/bin/utaipan-verify-nQ1chXbOIh/data/4f135a51f/e13ded1c5a844667b182a71cbfabfa60 [2023-12-02 12:29:20,225 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 12:29:20,227 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 12:29:20,229 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 12:29:20,229 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 12:29:20,235 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 12:29:20,236 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 12:29:20" (1/1) ... [2023-12-02 12:29:20,237 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5d04e554 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:29:20, skipping insertion in model container [2023-12-02 12:29:20,238 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 12:29:20" (1/1) ... [2023-12-02 12:29:20,279 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 12:29:20,472 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_7a2b3ebe-94b0-44ee-b767-5579bf15c653/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-76.i[917,930] [2023-12-02 12:29:20,537 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 12:29:20,557 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 12:29:20,575 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_7a2b3ebe-94b0-44ee-b767-5579bf15c653/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-76.i[917,930] [2023-12-02 12:29:20,612 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 12:29:20,637 INFO L206 MainTranslator]: Completed translation [2023-12-02 12:29:20,638 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:29:20 WrapperNode [2023-12-02 12:29:20,638 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 12:29:20,640 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 12:29:20,640 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 12:29:20,640 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 12:29:20,649 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:29:20" (1/1) ... [2023-12-02 12:29:20,665 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:29:20" (1/1) ... [2023-12-02 12:29:20,725 INFO L138 Inliner]: procedures = 27, calls = 36, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 142 [2023-12-02 12:29:20,725 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 12:29:20,726 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 12:29:20,726 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 12:29:20,727 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 12:29:20,739 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:29:20" (1/1) ... [2023-12-02 12:29:20,740 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:29:20" (1/1) ... [2023-12-02 12:29:20,745 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:29:20" (1/1) ... [2023-12-02 12:29:20,745 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:29:20" (1/1) ... [2023-12-02 12:29:20,758 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:29:20" (1/1) ... [2023-12-02 12:29:20,762 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:29:20" (1/1) ... [2023-12-02 12:29:20,765 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:29:20" (1/1) ... [2023-12-02 12:29:20,768 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:29:20" (1/1) ... [2023-12-02 12:29:20,773 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 12:29:20,774 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 12:29:20,774 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 12:29:20,774 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 12:29:20,775 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:29:20" (1/1) ... [2023-12-02 12:29:20,800 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 12:29:20,815 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a2b3ebe-94b0-44ee-b767-5579bf15c653/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 12:29:20,832 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a2b3ebe-94b0-44ee-b767-5579bf15c653/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-12-02 12:29:20,840 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a2b3ebe-94b0-44ee-b767-5579bf15c653/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-12-02 12:29:20,882 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 12:29:20,882 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-02 12:29:20,882 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-02 12:29:20,883 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-02 12:29:20,883 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 12:29:20,883 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 12:29:20,979 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 12:29:20,982 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 12:29:28,081 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 12:29:28,155 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 12:29:28,156 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-02 12:29:28,156 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 12:29:28 BoogieIcfgContainer [2023-12-02 12:29:28,157 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 12:29:28,160 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-02 12:29:28,160 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-02 12:29:28,163 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-02 12:29:28,163 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 12:29:20" (1/3) ... [2023-12-02 12:29:28,164 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@52568a91 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 12:29:28, skipping insertion in model container [2023-12-02 12:29:28,164 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:29:20" (2/3) ... [2023-12-02 12:29:28,164 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@52568a91 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 12:29:28, skipping insertion in model container [2023-12-02 12:29:28,165 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 12:29:28" (3/3) ... [2023-12-02 12:29:28,166 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_codestructure_steplocals_file-76.i [2023-12-02 12:29:28,183 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-02 12:29:28,184 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-02 12:29:28,234 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-02 12:29:28,241 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;@1f56442d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-02 12:29:28,242 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-02 12:29:28,246 INFO L276 IsEmpty]: Start isEmpty. Operand has 63 states, 37 states have (on average 1.4594594594594594) internal successors, (54), 38 states have internal predecessors, (54), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2023-12-02 12:29:28,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2023-12-02 12:29:28,262 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 12:29:28,263 INFO L195 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:29:28,263 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 12:29:28,269 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 12:29:28,270 INFO L85 PathProgramCache]: Analyzing trace with hash -1808784522, now seen corresponding path program 1 times [2023-12-02 12:29:28,283 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 12:29:28,284 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [130175858] [2023-12-02 12:29:28,284 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 12:29:28,284 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 12:29:28,285 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a2b3ebe-94b0-44ee-b767-5579bf15c653/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 12:29:28,286 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a2b3ebe-94b0-44ee-b767-5579bf15c653/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 12:29:28,291 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a2b3ebe-94b0-44ee-b767-5579bf15c653/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 12:29:29,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 12:29:29,260 INFO L262 TraceCheckSpWp]: Trace formula consists of 228 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 12:29:29,272 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 12:29:29,319 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 512 proven. 0 refuted. 0 times theorem prover too weak. 500 trivial. 0 not checked. [2023-12-02 12:29:29,319 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 12:29:29,320 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 12:29:29,320 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [130175858] [2023-12-02 12:29:29,321 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [130175858] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 12:29:29,321 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 12:29:29,322 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-02 12:29:29,324 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1355312314] [2023-12-02 12:29:29,325 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 12:29:29,330 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-12-02 12:29:29,331 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 12:29:29,363 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-12-02 12:29:29,363 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-02 12:29:29,366 INFO L87 Difference]: Start difference. First operand has 63 states, 37 states have (on average 1.4594594594594594) internal successors, (54), 38 states have internal predecessors, (54), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) Second operand has 2 states, 2 states have (on average 17.0) internal successors, (34), 2 states have internal predecessors, (34), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2023-12-02 12:29:32,192 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.77s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 12:29:32,193 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 12:29:32,193 INFO L93 Difference]: Finished difference Result 123 states and 221 transitions. [2023-12-02 12:29:32,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 12:29:32,413 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 17.0) internal successors, (34), 2 states have internal predecessors, (34), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 142 [2023-12-02 12:29:32,413 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 12:29:32,421 INFO L225 Difference]: With dead ends: 123 [2023-12-02 12:29:32,422 INFO L226 Difference]: Without dead ends: 61 [2023-12-02 12:29:32,425 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 141 GetRequests, 141 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 12:29:32,429 INFO L413 NwaCegarLoop]: 92 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 92 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2023-12-02 12:29:32,431 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 92 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 1 Unknown, 0 Unchecked, 2.8s Time] [2023-12-02 12:29:32,453 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61 states. [2023-12-02 12:29:32,473 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 61. [2023-12-02 12:29:32,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 61 states, 36 states have (on average 1.3611111111111112) internal successors, (49), 36 states have internal predecessors, (49), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2023-12-02 12:29:32,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 95 transitions. [2023-12-02 12:29:32,478 INFO L78 Accepts]: Start accepts. Automaton has 61 states and 95 transitions. Word has length 142 [2023-12-02 12:29:32,478 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 12:29:32,478 INFO L495 AbstractCegarLoop]: Abstraction has 61 states and 95 transitions. [2023-12-02 12:29:32,478 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 17.0) internal successors, (34), 2 states have internal predecessors, (34), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2023-12-02 12:29:32,479 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 95 transitions. [2023-12-02 12:29:32,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2023-12-02 12:29:32,483 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 12:29:32,483 INFO L195 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:29:32,507 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a2b3ebe-94b0-44ee-b767-5579bf15c653/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 12:29:32,684 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a2b3ebe-94b0-44ee-b767-5579bf15c653/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 12:29:32,684 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 12:29:32,685 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 12:29:32,685 INFO L85 PathProgramCache]: Analyzing trace with hash 1536811388, now seen corresponding path program 1 times [2023-12-02 12:29:32,686 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 12:29:32,686 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [984953014] [2023-12-02 12:29:32,687 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 12:29:32,687 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 12:29:32,687 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a2b3ebe-94b0-44ee-b767-5579bf15c653/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 12:29:32,688 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a2b3ebe-94b0-44ee-b767-5579bf15c653/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 12:29:32,689 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a2b3ebe-94b0-44ee-b767-5579bf15c653/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 12:29:33,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 12:29:33,628 INFO L262 TraceCheckSpWp]: Trace formula consists of 228 conjuncts, 13 conjunts are in the unsatisfiable core [2023-12-02 12:29:33,639 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 12:29:39,357 WARN L293 SmtUtils]: Spent 5.02s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 12:29:49,349 WARN L293 SmtUtils]: Spent 5.01s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 12:29:54,377 WARN L293 SmtUtils]: Spent 5.03s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 12:30:09,370 WARN L293 SmtUtils]: Spent 5.01s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 12:30:14,404 WARN L293 SmtUtils]: Spent 5.03s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 12:30:24,408 WARN L293 SmtUtils]: Spent 5.00s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 12:30:35,131 WARN L854 $PredicateComparison]: unable to prove that (and (= (_ bv0 8) c_~var_1_2~0) (let ((.cse0 (fp.lt c_~var_1_3~0 c_~var_1_4~0)) (.cse2 (= c_~var_1_5~0 c_~var_1_1~0))) (or (and .cse0 (let ((.cse1 (fp.lt c_~var_1_3~0 c_~var_1_5~0))) (or (and .cse1 (= c_~var_1_3~0 c_~var_1_1~0)) (and (not .cse1) .cse2)))) (and (not .cse0) (let ((.cse3 (fp.lt c_~var_1_4~0 c_~var_1_5~0))) (or (and .cse2 (not .cse3)) (and (= c_~var_1_4~0 c_~var_1_1~0) .cse3)))))) (not (fp.gt c_~var_1_5~0 (fp.div c_currentRoundingMode c_~var_1_3~0 c_~var_1_7~0)))) is different from false [2023-12-02 12:30:37,367 WARN L876 $PredicateComparison]: unable to prove that (and (= (_ bv0 8) c_~var_1_2~0) (let ((.cse0 (fp.lt c_~var_1_3~0 c_~var_1_4~0)) (.cse2 (= c_~var_1_5~0 c_~var_1_1~0))) (or (and .cse0 (let ((.cse1 (fp.lt c_~var_1_3~0 c_~var_1_5~0))) (or (and .cse1 (= c_~var_1_3~0 c_~var_1_1~0)) (and (not .cse1) .cse2)))) (and (not .cse0) (let ((.cse3 (fp.lt c_~var_1_4~0 c_~var_1_5~0))) (or (and .cse2 (not .cse3)) (and (= c_~var_1_4~0 c_~var_1_1~0) .cse3)))))) (not (fp.gt c_~var_1_5~0 (fp.div c_currentRoundingMode c_~var_1_3~0 c_~var_1_7~0)))) is different from true [2023-12-02 12:31:02,316 WARN L293 SmtUtils]: Spent 5.00s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 12:31:17,159 WARN L293 SmtUtils]: Spent 5.12s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 12:31:22,167 WARN L293 SmtUtils]: Spent 5.01s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 12:31:27,321 WARN L293 SmtUtils]: Spent 5.15s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 12:31:45,750 WARN L293 SmtUtils]: Spent 5.08s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 12:31:50,780 WARN L293 SmtUtils]: Spent 5.03s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 12:31:55,915 WARN L293 SmtUtils]: Spent 5.13s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 12:32:00,921 WARN L293 SmtUtils]: Spent 5.00s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 12:32:16,010 WARN L293 SmtUtils]: Spent 5.10s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 12:32:26,009 WARN L293 SmtUtils]: Spent 5.00s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 12:32:31,089 WARN L293 SmtUtils]: Spent 5.08s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 12:32:40,653 WARN L293 SmtUtils]: Spent 5.03s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 12:32:50,004 WARN L293 SmtUtils]: Spent 5.04s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 12:32:55,023 WARN L293 SmtUtils]: Spent 5.02s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 12:33:00,042 WARN L293 SmtUtils]: Spent 5.02s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 12:33:05,105 WARN L293 SmtUtils]: Spent 5.06s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 12:33:10,165 WARN L293 SmtUtils]: Spent 5.06s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 12:33:19,674 WARN L293 SmtUtils]: Spent 5.04s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 12:33:26,902 WARN L854 $PredicateComparison]: unable to prove that (and (not (fp.lt c_~var_1_3~0 c_~var_1_4~0)) (= (bvadd (_ bv128 32) c_~var_1_11~0) ((_ sign_extend 24) c_~var_1_9~0)) (= (_ bv0 8) c_~var_1_2~0) (let ((.cse0 (fp.lt c_~var_1_4~0 c_~var_1_5~0))) (or (and (= c_~var_1_5~0 c_~var_1_1~0) (not .cse0)) (and (= c_~var_1_4~0 c_~var_1_1~0) .cse0))) (fp.leq c_~var_1_4~0 c_~var_1_1~0) (not (fp.gt c_~var_1_5~0 (fp.div c_currentRoundingMode c_~var_1_3~0 c_~var_1_7~0)))) is different from false [2023-12-02 12:33:29,156 WARN L876 $PredicateComparison]: unable to prove that (and (not (fp.lt c_~var_1_3~0 c_~var_1_4~0)) (= (bvadd (_ bv128 32) c_~var_1_11~0) ((_ sign_extend 24) c_~var_1_9~0)) (= (_ bv0 8) c_~var_1_2~0) (let ((.cse0 (fp.lt c_~var_1_4~0 c_~var_1_5~0))) (or (and (= c_~var_1_5~0 c_~var_1_1~0) (not .cse0)) (and (= c_~var_1_4~0 c_~var_1_1~0) .cse0))) (fp.leq c_~var_1_4~0 c_~var_1_1~0) (not (fp.gt c_~var_1_5~0 (fp.div c_currentRoundingMode c_~var_1_3~0 c_~var_1_7~0)))) is different from true [2023-12-02 12:33:34,329 WARN L293 SmtUtils]: Spent 5.16s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 12:33:39,565 WARN L293 SmtUtils]: Spent 5.24s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 12:33:44,708 WARN L293 SmtUtils]: Spent 5.14s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 12:33:57,391 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2023-12-02 12:33:57,391 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 12:33:57,391 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 12:33:57,392 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [984953014] [2023-12-02 12:33:57,392 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [984953014] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 12:33:57,392 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 12:33:57,392 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-02 12:33:57,392 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1244671903] [2023-12-02 12:33:57,392 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 12:33:57,394 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-02 12:33:57,394 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 12:33:57,395 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-02 12:33:57,395 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=3, Unknown=4, NotChecked=6, Total=20 [2023-12-02 12:33:57,396 INFO L87 Difference]: Start difference. First operand 61 states and 95 transitions. Second operand has 5 states, 5 states have (on average 6.0) internal successors, (30), 5 states have internal predecessors, (30), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2023-12-02 12:34:00,447 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.75s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 12:34:03,436 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.99s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 12:34:06,422 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.99s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 12:34:09,395 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.97s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 12:34:13,376 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.83s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 12:34:15,383 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 12:34:17,396 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 12:34:17,706 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 12:34:17,707 INFO L93 Difference]: Finished difference Result 142 states and 222 transitions. [2023-12-02 12:34:17,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-02 12:34:17,709 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.0) internal successors, (30), 5 states have internal predecessors, (30), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 142 [2023-12-02 12:34:17,711 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 12:34:17,713 INFO L225 Difference]: With dead ends: 142 [2023-12-02 12:34:17,713 INFO L226 Difference]: Without dead ends: 82 [2023-12-02 12:34:17,715 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 142 GetRequests, 139 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 2 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 9.2s TimeCoverageRelationStatistics Valid=7, Invalid=3, Unknown=4, NotChecked=6, Total=20 [2023-12-02 12:34:17,716 INFO L413 NwaCegarLoop]: 101 mSDtfsCounter, 22 mSDsluCounter, 66 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 3 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 19.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 167 SdHoareTripleChecker+Invalid, 304 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 256 IncrementalHoareTripleChecker+Unchecked, 20.3s IncrementalHoareTripleChecker+Time [2023-12-02 12:34:17,717 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [22 Valid, 167 Invalid, 304 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 38 Invalid, 7 Unknown, 256 Unchecked, 20.3s Time] [2023-12-02 12:34:17,718 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82 states. [2023-12-02 12:34:17,732 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82 to 74. [2023-12-02 12:34:17,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 74 states, 49 states have (on average 1.4081632653061225) internal successors, (69), 49 states have internal predecessors, (69), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2023-12-02 12:34:17,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 115 transitions. [2023-12-02 12:34:17,735 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 115 transitions. Word has length 142 [2023-12-02 12:34:17,737 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 12:34:17,738 INFO L495 AbstractCegarLoop]: Abstraction has 74 states and 115 transitions. [2023-12-02 12:34:17,738 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.0) internal successors, (30), 5 states have internal predecessors, (30), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2023-12-02 12:34:17,738 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 115 transitions. [2023-12-02 12:34:17,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2023-12-02 12:34:17,741 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 12:34:17,742 INFO L195 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:34:17,758 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a2b3ebe-94b0-44ee-b767-5579bf15c653/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 12:34:17,942 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a2b3ebe-94b0-44ee-b767-5579bf15c653/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 12:34:17,943 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 12:34:17,943 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 12:34:17,943 INFO L85 PathProgramCache]: Analyzing trace with hash 727464762, now seen corresponding path program 1 times [2023-12-02 12:34:17,944 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 12:34:17,944 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [582725165] [2023-12-02 12:34:17,944 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 12:34:17,944 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 12:34:17,945 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a2b3ebe-94b0-44ee-b767-5579bf15c653/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 12:34:17,945 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a2b3ebe-94b0-44ee-b767-5579bf15c653/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 12:34:17,946 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a2b3ebe-94b0-44ee-b767-5579bf15c653/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 12:34:18,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 12:34:18,905 INFO L262 TraceCheckSpWp]: Trace formula consists of 228 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 12:34:18,918 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 12:34:36,810 WARN L293 SmtUtils]: Spent 5.01s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 12:34:41,816 WARN L293 SmtUtils]: Spent 5.00s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 12:34:46,843 WARN L293 SmtUtils]: Spent 5.03s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 12:34:51,852 WARN L293 SmtUtils]: Spent 5.01s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 12:34:56,867 WARN L293 SmtUtils]: Spent 5.01s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 12:35:01,960 WARN L293 SmtUtils]: Spent 5.09s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 12:35:07,073 WARN L293 SmtUtils]: Spent 5.11s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 12:35:12,094 WARN L293 SmtUtils]: Spent 5.02s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 12:35:17,133 WARN L293 SmtUtils]: Spent 5.04s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 12:35:22,153 WARN L293 SmtUtils]: Spent 5.02s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 12:35:27,165 WARN L293 SmtUtils]: Spent 5.01s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 12:35:32,215 WARN L293 SmtUtils]: Spent 5.05s on a formula simplification that was a NOOP. DAG size: 7 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 12:35:37,238 WARN L293 SmtUtils]: Spent 5.02s on a formula simplification that was a NOOP. DAG size: 7 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 12:35:42,290 WARN L293 SmtUtils]: Spent 5.05s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 12:35:47,310 WARN L293 SmtUtils]: Spent 5.02s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 12:35:56,821 WARN L293 SmtUtils]: Spent 5.03s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 12:35:59,054 WARN L854 $PredicateComparison]: unable to prove that (and (= (_ bv0 8) c_~var_1_2~0) (let ((.cse0 ((_ to_fp 8 24) c_currentRoundingMode 9223372036854765600.0)) (.cse1 ((_ to_fp 8 24) c_currentRoundingMode (/ 1.0 100000000000000000000.0)))) (or (and (fp.leq c_~var_1_5~0 ((_ to_fp 11 53) c_currentRoundingMode .cse0)) (fp.geq c_~var_1_5~0 ((_ to_fp 11 53) c_currentRoundingMode .cse1))) (and (fp.geq c_~var_1_5~0 ((_ to_fp 11 53) c_currentRoundingMode (fp.neg .cse0))) (fp.leq c_~var_1_5~0 ((_ to_fp 11 53) c_currentRoundingMode (fp.neg .cse1)))))) (let ((.cse2 (fp.lt c_~var_1_3~0 c_~var_1_4~0)) (.cse4 (= c_~var_1_5~0 c_~var_1_1~0))) (or (and .cse2 (let ((.cse3 (fp.lt c_~var_1_3~0 c_~var_1_5~0))) (or (and .cse3 (= c_~var_1_3~0 c_~var_1_1~0)) (and (not .cse3) .cse4)))) (and (not .cse2) (let ((.cse5 (fp.lt c_~var_1_4~0 c_~var_1_5~0))) (or (and .cse4 (not .cse5)) (and (= c_~var_1_4~0 c_~var_1_1~0) .cse5)))))) (not (fp.gt c_~var_1_5~0 (fp.div c_currentRoundingMode c_~var_1_3~0 c_~var_1_7~0))) (= c_currentRoundingMode roundNearestTiesToEven)) is different from false [2023-12-02 12:36:01,287 WARN L876 $PredicateComparison]: unable to prove that (and (= (_ bv0 8) c_~var_1_2~0) (let ((.cse0 ((_ to_fp 8 24) c_currentRoundingMode 9223372036854765600.0)) (.cse1 ((_ to_fp 8 24) c_currentRoundingMode (/ 1.0 100000000000000000000.0)))) (or (and (fp.leq c_~var_1_5~0 ((_ to_fp 11 53) c_currentRoundingMode .cse0)) (fp.geq c_~var_1_5~0 ((_ to_fp 11 53) c_currentRoundingMode .cse1))) (and (fp.geq c_~var_1_5~0 ((_ to_fp 11 53) c_currentRoundingMode (fp.neg .cse0))) (fp.leq c_~var_1_5~0 ((_ to_fp 11 53) c_currentRoundingMode (fp.neg .cse1)))))) (let ((.cse2 (fp.lt c_~var_1_3~0 c_~var_1_4~0)) (.cse4 (= c_~var_1_5~0 c_~var_1_1~0))) (or (and .cse2 (let ((.cse3 (fp.lt c_~var_1_3~0 c_~var_1_5~0))) (or (and .cse3 (= c_~var_1_3~0 c_~var_1_1~0)) (and (not .cse3) .cse4)))) (and (not .cse2) (let ((.cse5 (fp.lt c_~var_1_4~0 c_~var_1_5~0))) (or (and .cse4 (not .cse5)) (and (= c_~var_1_4~0 c_~var_1_1~0) .cse5)))))) (not (fp.gt c_~var_1_5~0 (fp.div c_currentRoundingMode c_~var_1_3~0 c_~var_1_7~0))) (= c_currentRoundingMode roundNearestTiesToEven)) is different from true [2023-12-02 12:36:06,304 WARN L293 SmtUtils]: Spent 5.00s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 12:36:11,311 WARN L293 SmtUtils]: Spent 5.01s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 12:36:16,447 WARN L293 SmtUtils]: Spent 5.14s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 12:36:26,452 WARN L293 SmtUtils]: Spent 5.01s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 12:36:31,465 WARN L293 SmtUtils]: Spent 5.01s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 12:36:36,496 WARN L293 SmtUtils]: Spent 5.03s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 12:36:41,516 WARN L293 SmtUtils]: Spent 5.02s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 12:36:46,554 WARN L293 SmtUtils]: Spent 5.04s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 12:37:01,567 WARN L293 SmtUtils]: Spent 5.02s on a formula simplification that was a NOOP. DAG size: 7 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 12:37:06,607 WARN L293 SmtUtils]: Spent 5.04s on a formula simplification that was a NOOP. DAG size: 7 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 12:37:11,615 WARN L293 SmtUtils]: Spent 5.01s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 12:37:51,014 WARN L293 SmtUtils]: Spent 5.01s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 12:37:56,039 WARN L293 SmtUtils]: Spent 5.03s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 12:38:01,045 WARN L293 SmtUtils]: Spent 5.00s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 12:38:49,846 WARN L293 SmtUtils]: Spent 5.00s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 12:38:59,910 WARN L293 SmtUtils]: Spent 5.01s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 12:39:53,582 WARN L293 SmtUtils]: Spent 5.01s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 12:40:07,587 WARN L293 SmtUtils]: Spent 5.00s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 12:40:22,488 WARN L293 SmtUtils]: Spent 5.01s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 12:40:32,535 WARN L293 SmtUtils]: Spent 5.05s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 12:40:54,675 WARN L293 SmtUtils]: Spent 5.03s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 12:41:00,686 WARN L293 SmtUtils]: Spent 5.06s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 12:41:05,836 WARN L293 SmtUtils]: Spent 5.15s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 12:41:15,389 WARN L293 SmtUtils]: Spent 5.10s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 12:41:17,607 WARN L854 $PredicateComparison]: unable to prove that (and (not (fp.leq c_~var_1_4~0 c_~var_1_1~0)) (let ((.cse2 (bvadd (_ bv256 32) c_~var_1_11~0))) (let ((.cse0 (bvsgt c_~var_1_13~0 (_ bv256 32))) (.cse3 (= c_~var_1_12~0 .cse2))) (or (and .cse0 (let ((.cse1 (bvslt c_~var_1_12~0 c_~var_1_13~0))) (or (and (not .cse1) (= c_~var_1_13~0 .cse2)) (and .cse1 .cse3)))) (and (not .cse0) (let ((.cse4 (bvslt c_~var_1_12~0 (_ bv256 32)))) (or (and (not .cse4) (= c_~var_1_11~0 (_ bv0 32))) (and .cse4 .cse3))))))) (let ((.cse5 (fp.lt c_~var_1_3~0 c_~var_1_4~0)) (.cse7 (= c_~var_1_5~0 c_~var_1_1~0))) (or (and .cse5 (let ((.cse6 (fp.lt c_~var_1_3~0 c_~var_1_5~0))) (or (and .cse6 (= c_~var_1_3~0 c_~var_1_1~0)) (and (not .cse6) .cse7)))) (and (not .cse5) .cse7))) (= (_ bv0 8) c_~var_1_2~0) (let ((.cse8 ((_ to_fp 8 24) c_currentRoundingMode 9223372036854765600.0)) (.cse9 ((_ to_fp 8 24) c_currentRoundingMode (/ 1.0 100000000000000000000.0)))) (or (and (fp.leq c_~var_1_5~0 ((_ to_fp 11 53) c_currentRoundingMode .cse8)) (fp.geq c_~var_1_5~0 ((_ to_fp 11 53) c_currentRoundingMode .cse9))) (and (fp.geq c_~var_1_5~0 ((_ to_fp 11 53) c_currentRoundingMode (fp.neg .cse8))) (fp.leq c_~var_1_5~0 ((_ to_fp 11 53) c_currentRoundingMode (fp.neg .cse9)))))) (not (fp.gt c_~var_1_5~0 (fp.div c_currentRoundingMode c_~var_1_3~0 c_~var_1_7~0))) (= c_currentRoundingMode roundNearestTiesToEven)) is different from false [2023-12-02 12:41:19,831 WARN L876 $PredicateComparison]: unable to prove that (and (not (fp.leq c_~var_1_4~0 c_~var_1_1~0)) (let ((.cse2 (bvadd (_ bv256 32) c_~var_1_11~0))) (let ((.cse0 (bvsgt c_~var_1_13~0 (_ bv256 32))) (.cse3 (= c_~var_1_12~0 .cse2))) (or (and .cse0 (let ((.cse1 (bvslt c_~var_1_12~0 c_~var_1_13~0))) (or (and (not .cse1) (= c_~var_1_13~0 .cse2)) (and .cse1 .cse3)))) (and (not .cse0) (let ((.cse4 (bvslt c_~var_1_12~0 (_ bv256 32)))) (or (and (not .cse4) (= c_~var_1_11~0 (_ bv0 32))) (and .cse4 .cse3))))))) (let ((.cse5 (fp.lt c_~var_1_3~0 c_~var_1_4~0)) (.cse7 (= c_~var_1_5~0 c_~var_1_1~0))) (or (and .cse5 (let ((.cse6 (fp.lt c_~var_1_3~0 c_~var_1_5~0))) (or (and .cse6 (= c_~var_1_3~0 c_~var_1_1~0)) (and (not .cse6) .cse7)))) (and (not .cse5) .cse7))) (= (_ bv0 8) c_~var_1_2~0) (let ((.cse8 ((_ to_fp 8 24) c_currentRoundingMode 9223372036854765600.0)) (.cse9 ((_ to_fp 8 24) c_currentRoundingMode (/ 1.0 100000000000000000000.0)))) (or (and (fp.leq c_~var_1_5~0 ((_ to_fp 11 53) c_currentRoundingMode .cse8)) (fp.geq c_~var_1_5~0 ((_ to_fp 11 53) c_currentRoundingMode .cse9))) (and (fp.geq c_~var_1_5~0 ((_ to_fp 11 53) c_currentRoundingMode (fp.neg .cse8))) (fp.leq c_~var_1_5~0 ((_ to_fp 11 53) c_currentRoundingMode (fp.neg .cse9)))))) (not (fp.gt c_~var_1_5~0 (fp.div c_currentRoundingMode c_~var_1_3~0 c_~var_1_7~0))) (= c_currentRoundingMode roundNearestTiesToEven)) is different from true [2023-12-02 12:41:44,371 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 318 proven. 54 refuted. 0 times theorem prover too weak. 640 trivial. 0 not checked. [2023-12-02 12:41:44,371 INFO L327 TraceCheckSpWp]: Computing backward predicates...