./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-48.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_d5f43fbe-a75e-47b7-86cc-be61a7d39634/bin/utaipan-verify-nQ1chXbOIh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5f43fbe-a75e-47b7-86cc-be61a7d39634/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_d5f43fbe-a75e-47b7-86cc-be61a7d39634/bin/utaipan-verify-nQ1chXbOIh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5f43fbe-a75e-47b7-86cc-be61a7d39634/bin/utaipan-verify-nQ1chXbOIh/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-48.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5f43fbe-a75e-47b7-86cc-be61a7d39634/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_d5f43fbe-a75e-47b7-86cc-be61a7d39634/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 155661f7f785ccb94a94941deccc723470e31568c938f67b1f43e70ee84fa5f7 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 08:22:18,909 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 08:22:18,974 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5f43fbe-a75e-47b7-86cc-be61a7d39634/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-12-02 08:22:18,979 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 08:22:18,980 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-02 08:22:19,004 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 08:22:19,004 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-02 08:22:19,005 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-02 08:22:19,006 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 08:22:19,006 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-02 08:22:19,007 INFO L153 SettingsManager]: * User list type=DISABLED [2023-12-02 08:22:19,007 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-12-02 08:22:19,008 INFO L153 SettingsManager]: * Explicit value domain=true [2023-12-02 08:22:19,008 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-12-02 08:22:19,009 INFO L153 SettingsManager]: * Octagon Domain=false [2023-12-02 08:22:19,009 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-12-02 08:22:19,010 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-12-02 08:22:19,011 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-12-02 08:22:19,011 INFO L153 SettingsManager]: * Interval Domain=false [2023-12-02 08:22:19,012 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-12-02 08:22:19,013 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-12-02 08:22:19,014 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-12-02 08:22:19,015 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 08:22:19,015 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 08:22:19,016 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 08:22:19,016 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 08:22:19,016 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 08:22:19,017 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 08:22:19,017 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 08:22:19,017 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 08:22:19,018 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 08:22:19,018 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 08:22:19,019 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 08:22:19,019 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 08:22:19,019 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 08:22:19,020 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-02 08:22:19,020 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-02 08:22:19,020 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 08:22:19,020 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 08:22:19,020 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 08:22:19,021 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 08:22:19,021 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-12-02 08:22:19,021 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 08:22:19,021 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-02 08:22:19,021 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 08:22:19,022 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-12-02 08:22:19,022 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 08:22:19,022 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_d5f43fbe-a75e-47b7-86cc-be61a7d39634/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5f43fbe-a75e-47b7-86cc-be61a7d39634/bin/utaipan-verify-nQ1chXbOIh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 155661f7f785ccb94a94941deccc723470e31568c938f67b1f43e70ee84fa5f7 [2023-12-02 08:22:19,232 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 08:22:19,252 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 08:22:19,255 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 08:22:19,256 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 08:22:19,257 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 08:22:19,258 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5f43fbe-a75e-47b7-86cc-be61a7d39634/bin/utaipan-verify-nQ1chXbOIh/../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-48.i [2023-12-02 08:22:22,140 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 08:22:22,317 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 08:22:22,317 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5f43fbe-a75e-47b7-86cc-be61a7d39634/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-48.i [2023-12-02 08:22:22,327 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5f43fbe-a75e-47b7-86cc-be61a7d39634/bin/utaipan-verify-nQ1chXbOIh/data/982b8279c/21e991349bdf46c0af43e805ea586b8d/FLAGf5ed47865 [2023-12-02 08:22:22,342 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5f43fbe-a75e-47b7-86cc-be61a7d39634/bin/utaipan-verify-nQ1chXbOIh/data/982b8279c/21e991349bdf46c0af43e805ea586b8d [2023-12-02 08:22:22,344 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 08:22:22,346 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 08:22:22,347 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 08:22:22,347 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 08:22:22,352 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 08:22:22,353 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 08:22:22" (1/1) ... [2023-12-02 08:22:22,354 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4cae3339 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:22:22, skipping insertion in model container [2023-12-02 08:22:22,354 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 08:22:22" (1/1) ... [2023-12-02 08:22:22,385 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 08:22:22,527 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_d5f43fbe-a75e-47b7-86cc-be61a7d39634/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-48.i[919,932] [2023-12-02 08:22:22,580 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 08:22:22,591 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 08:22:22,604 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_d5f43fbe-a75e-47b7-86cc-be61a7d39634/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-48.i[919,932] [2023-12-02 08:22:22,637 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 08:22:22,655 INFO L206 MainTranslator]: Completed translation [2023-12-02 08:22:22,655 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:22:22 WrapperNode [2023-12-02 08:22:22,655 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 08:22:22,656 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 08:22:22,656 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 08:22:22,657 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 08:22:22,664 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:22:22" (1/1) ... [2023-12-02 08:22:22,675 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:22:22" (1/1) ... [2023-12-02 08:22:22,709 INFO L138 Inliner]: procedures = 26, calls = 33, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 141 [2023-12-02 08:22:22,710 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 08:22:22,710 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 08:22:22,711 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 08:22:22,711 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 08:22:22,720 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:22:22" (1/1) ... [2023-12-02 08:22:22,720 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:22:22" (1/1) ... [2023-12-02 08:22:22,724 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:22:22" (1/1) ... [2023-12-02 08:22:22,724 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:22:22" (1/1) ... [2023-12-02 08:22:22,735 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:22:22" (1/1) ... [2023-12-02 08:22:22,738 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:22:22" (1/1) ... [2023-12-02 08:22:22,741 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:22:22" (1/1) ... [2023-12-02 08:22:22,743 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:22:22" (1/1) ... [2023-12-02 08:22:22,747 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 08:22:22,748 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 08:22:22,748 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 08:22:22,748 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 08:22:22,749 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:22:22" (1/1) ... [2023-12-02 08:22:22,755 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 08:22:22,768 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5f43fbe-a75e-47b7-86cc-be61a7d39634/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 08:22:22,780 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5f43fbe-a75e-47b7-86cc-be61a7d39634/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-12-02 08:22:22,782 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5f43fbe-a75e-47b7-86cc-be61a7d39634/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-12-02 08:22:22,813 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 08:22:22,813 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-02 08:22:22,813 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-02 08:22:22,813 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 08:22:22,814 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 08:22:22,814 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 08:22:22,895 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 08:22:22,898 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 08:22:23,167 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 08:22:23,310 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 08:22:23,311 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-02 08:22:23,312 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 08:22:23 BoogieIcfgContainer [2023-12-02 08:22:23,312 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 08:22:23,315 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-02 08:22:23,315 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-02 08:22:23,318 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-02 08:22:23,319 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 08:22:22" (1/3) ... [2023-12-02 08:22:23,319 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6120eab3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 08:22:23, skipping insertion in model container [2023-12-02 08:22:23,320 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:22:22" (2/3) ... [2023-12-02 08:22:23,320 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6120eab3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 08:22:23, skipping insertion in model container [2023-12-02 08:22:23,320 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 08:22:23" (3/3) ... [2023-12-02 08:22:23,321 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_codestructure_dependencies_file-48.i [2023-12-02 08:22:23,341 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-02 08:22:23,341 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-02 08:22:23,384 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-02 08:22:23,389 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;@30d8ddf0, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-02 08:22:23,389 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-02 08:22:23,392 INFO L276 IsEmpty]: Start isEmpty. Operand has 41 states, 18 states have (on average 1.1666666666666667) internal successors, (21), 19 states have internal predecessors, (21), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2023-12-02 08:22:23,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2023-12-02 08:22:23,400 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 08:22:23,401 INFO L195 NwaCegarLoop]: trace histogram [20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:22:23,401 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 08:22:23,405 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 08:22:23,406 INFO L85 PathProgramCache]: Analyzing trace with hash -2041194620, now seen corresponding path program 1 times [2023-12-02 08:22:23,412 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 08:22:23,413 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [870900672] [2023-12-02 08:22:23,413 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 08:22:23,413 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 08:22:23,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 08:22:23,716 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 08:22:23,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 08:22:23,921 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-12-02 08:22:23,923 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-12-02 08:22:23,924 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-02 08:22:23,927 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-12-02 08:22:23,931 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-12-02 08:22:23,935 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-12-02 08:22:24,001 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 08:22:24 BoogieIcfgContainer [2023-12-02 08:22:24,001 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-02 08:22:24,001 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-02 08:22:24,001 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-02 08:22:24,002 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-02 08:22:24,002 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 08:22:23" (3/4) ... [2023-12-02 08:22:24,004 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-02 08:22:24,005 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-02 08:22:24,007 INFO L158 Benchmark]: Toolchain (without parser) took 1660.72ms. Allocated memory is still 157.3MB. Free memory was 119.0MB in the beginning and 115.8MB in the end (delta: 3.2MB). Peak memory consumption was 6.5MB. Max. memory is 16.1GB. [2023-12-02 08:22:24,007 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 107.0MB. Free memory was 55.9MB in the beginning and 55.8MB in the end (delta: 159.6kB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 08:22:24,008 INFO L158 Benchmark]: CACSL2BoogieTranslator took 308.63ms. Allocated memory is still 157.3MB. Free memory was 118.7MB in the beginning and 104.7MB in the end (delta: 13.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-12-02 08:22:24,008 INFO L158 Benchmark]: Boogie Procedure Inliner took 53.64ms. Allocated memory is still 157.3MB. Free memory was 104.7MB in the beginning and 101.6MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-12-02 08:22:24,009 INFO L158 Benchmark]: Boogie Preprocessor took 36.66ms. Allocated memory is still 157.3MB. Free memory was 101.6MB in the beginning and 99.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 08:22:24,010 INFO L158 Benchmark]: RCFGBuilder took 564.69ms. Allocated memory is still 157.3MB. Free memory was 99.5MB in the beginning and 112.4MB in the end (delta: -12.9MB). Peak memory consumption was 26.9MB. Max. memory is 16.1GB. [2023-12-02 08:22:24,010 INFO L158 Benchmark]: TraceAbstraction took 685.76ms. Allocated memory is still 157.3MB. Free memory was 111.8MB in the beginning and 115.8MB in the end (delta: -4.1MB). Peak memory consumption was 46.6MB. Max. memory is 16.1GB. [2023-12-02 08:22:24,011 INFO L158 Benchmark]: Witness Printer took 4.10ms. Allocated memory is still 157.3MB. Free memory is still 115.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 08:22:24,014 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 107.0MB. Free memory was 55.9MB in the beginning and 55.8MB in the end (delta: 159.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 308.63ms. Allocated memory is still 157.3MB. Free memory was 118.7MB in the beginning and 104.7MB in the end (delta: 13.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 53.64ms. Allocated memory is still 157.3MB. Free memory was 104.7MB in the beginning and 101.6MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 36.66ms. Allocated memory is still 157.3MB. Free memory was 101.6MB in the beginning and 99.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 564.69ms. Allocated memory is still 157.3MB. Free memory was 99.5MB in the beginning and 112.4MB in the end (delta: -12.9MB). Peak memory consumption was 26.9MB. Max. memory is 16.1GB. * TraceAbstraction took 685.76ms. Allocated memory is still 157.3MB. Free memory was 111.8MB in the beginning and 115.8MB in the end (delta: -4.1MB). Peak memory consumption was 46.6MB. Max. memory is 16.1GB. * Witness Printer took 4.10ms. Allocated memory is still 157.3MB. Free memory is still 115.8MB. 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 47. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned short int var_1_1 = 10; [L23] unsigned char var_1_2 = 1; [L24] double var_1_3 = 0.0; [L25] double var_1_4 = 128.2; [L26] double var_1_5 = 50.1; [L27] double var_1_6 = 64.5; [L28] unsigned short int var_1_7 = 1; [L29] unsigned char var_1_8 = 5; [L30] double var_1_9 = 15.35; [L31] unsigned char var_1_10 = 10; [L32] unsigned char var_1_11 = 2; [L33] signed long int var_1_12 = 32; [L34] signed long int var_1_13 = 256; [L35] signed char var_1_14 = 1; [L36] unsigned char var_1_15 = 128; [L37] unsigned char var_1_16 = 0; [L38] signed char var_1_17 = -64; [L39] unsigned short int var_1_18 = 64; [L40] unsigned char last_1_var_1_8 = 5; [L41] unsigned short int last_1_var_1_18 = 64; [L139] isInitial = 1 [L140] FCALL initially() [L141] COND TRUE 1 [L142] CALL updateLastVariables() [L131] last_1_var_1_8 = var_1_8 [L132] last_1_var_1_18 = var_1_18 [L142] RET updateLastVariables() [L143] CALL updateVariables() [L97] var_1_2 = __VERIFIER_nondet_uchar() [L98] CALL assume_abort_if_not(var_1_2 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=64, last_1_var_1_8=5, var_1_10=10, var_1_11=2, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=128, var_1_16=0, var_1_17=-64, var_1_18=64, var_1_1=10, var_1_3=0, var_1_4=641/5, var_1_5=501/10, var_1_6=129/2, var_1_7=1, var_1_8=5, var_1_9=307/20] [L20] COND FALSE !(!cond) [L98] RET assume_abort_if_not(var_1_2 >= 0) VAL [isInitial=1, last_1_var_1_18=64, last_1_var_1_8=5, var_1_10=10, var_1_11=2, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=128, var_1_16=0, var_1_17=-64, var_1_18=64, var_1_1=10, var_1_3=0, var_1_4=641/5, var_1_5=501/10, var_1_6=129/2, var_1_7=1, var_1_8=5, var_1_9=307/20] [L99] CALL assume_abort_if_not(var_1_2 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=64, last_1_var_1_8=5, var_1_10=10, var_1_11=2, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=128, var_1_16=0, var_1_17=-64, var_1_18=64, var_1_1=10, var_1_2=1, var_1_3=0, var_1_4=641/5, var_1_5=501/10, var_1_6=129/2, var_1_7=1, var_1_8=5, var_1_9=307/20] [L20] COND FALSE !(!cond) [L99] RET assume_abort_if_not(var_1_2 <= 1) VAL [isInitial=1, last_1_var_1_18=64, last_1_var_1_8=5, var_1_10=10, var_1_11=2, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=128, var_1_16=0, var_1_17=-64, var_1_18=64, var_1_1=10, var_1_2=1, var_1_3=0, var_1_4=641/5, var_1_5=501/10, var_1_6=129/2, var_1_7=1, var_1_8=5, var_1_9=307/20] [L100] var_1_3 = __VERIFIER_nondet_double() [L101] CALL assume_abort_if_not((var_1_3 >= 4611686.018427387900e+12F && var_1_3 <= -1.0e-20F) || (var_1_3 <= 9223372.036854776000e+12F && var_1_3 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=64, last_1_var_1_8=5, var_1_10=10, var_1_11=2, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=128, var_1_16=0, var_1_17=-64, var_1_18=64, var_1_1=10, var_1_2=1, var_1_4=641/5, var_1_5=501/10, var_1_6=129/2, var_1_7=1, var_1_8=5, var_1_9=307/20] [L20] COND FALSE !(!cond) [L101] RET assume_abort_if_not((var_1_3 >= 4611686.018427387900e+12F && var_1_3 <= -1.0e-20F) || (var_1_3 <= 9223372.036854776000e+12F && var_1_3 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_18=64, last_1_var_1_8=5, var_1_10=10, var_1_11=2, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=128, var_1_16=0, var_1_17=-64, var_1_18=64, var_1_1=10, var_1_2=1, var_1_4=641/5, var_1_5=501/10, var_1_6=129/2, var_1_7=1, var_1_8=5, var_1_9=307/20] [L102] var_1_4 = __VERIFIER_nondet_double() [L103] CALL assume_abort_if_not((var_1_4 >= 0.0F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 4611686.018427387900e+12F && var_1_4 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=64, last_1_var_1_8=5, var_1_10=10, var_1_11=2, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=128, var_1_16=0, var_1_17=-64, var_1_18=64, var_1_1=10, var_1_2=1, var_1_5=501/10, var_1_6=129/2, var_1_7=1, var_1_8=5, var_1_9=307/20] [L20] COND FALSE !(!cond) [L103] RET assume_abort_if_not((var_1_4 >= 0.0F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 4611686.018427387900e+12F && var_1_4 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_18=64, last_1_var_1_8=5, var_1_10=10, var_1_11=2, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=128, var_1_16=0, var_1_17=-64, var_1_18=64, var_1_1=10, var_1_2=1, var_1_5=501/10, var_1_6=129/2, var_1_7=1, var_1_8=5, var_1_9=307/20] [L104] var_1_5 = __VERIFIER_nondet_double() [L105] CALL assume_abort_if_not((var_1_5 >= 0.0F && var_1_5 <= -1.0e-20F) || (var_1_5 <= 9223372.036854776000e+12F && var_1_5 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=64, last_1_var_1_8=5, var_1_10=10, var_1_11=2, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=128, var_1_16=0, var_1_17=-64, var_1_18=64, var_1_1=10, var_1_2=1, var_1_6=129/2, var_1_7=1, var_1_8=5, var_1_9=307/20] [L20] COND FALSE !(!cond) [L105] RET assume_abort_if_not((var_1_5 >= 0.0F && var_1_5 <= -1.0e-20F) || (var_1_5 <= 9223372.036854776000e+12F && var_1_5 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_18=64, last_1_var_1_8=5, var_1_10=10, var_1_11=2, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=128, var_1_16=0, var_1_17=-64, var_1_18=64, var_1_1=10, var_1_2=1, var_1_6=129/2, var_1_7=1, var_1_8=5, var_1_9=307/20] [L106] var_1_6 = __VERIFIER_nondet_double() [L107] CALL assume_abort_if_not((var_1_6 >= 0.0F && var_1_6 <= -1.0e-20F) || (var_1_6 <= 9223372.036854776000e+12F && var_1_6 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=64, last_1_var_1_8=5, var_1_10=10, var_1_11=2, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=128, var_1_16=0, var_1_17=-64, var_1_18=64, var_1_1=10, var_1_2=1, var_1_7=1, var_1_8=5, var_1_9=307/20] [L20] COND FALSE !(!cond) [L107] RET assume_abort_if_not((var_1_6 >= 0.0F && var_1_6 <= -1.0e-20F) || (var_1_6 <= 9223372.036854776000e+12F && var_1_6 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_18=64, last_1_var_1_8=5, var_1_10=10, var_1_11=2, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=128, var_1_16=0, var_1_17=-64, var_1_18=64, var_1_1=10, var_1_2=1, var_1_7=1, var_1_8=5, var_1_9=307/20] [L108] var_1_7 = __VERIFIER_nondet_ushort() [L109] CALL assume_abort_if_not(var_1_7 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=64, last_1_var_1_8=5, var_1_10=10, var_1_11=2, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=128, var_1_16=0, var_1_17=-64, var_1_18=64, var_1_1=10, var_1_2=1, var_1_8=5, var_1_9=307/20] [L20] COND FALSE !(!cond) [L109] RET assume_abort_if_not(var_1_7 >= 0) VAL [isInitial=1, last_1_var_1_18=64, last_1_var_1_8=5, var_1_10=10, var_1_11=2, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=128, var_1_16=0, var_1_17=-64, var_1_18=64, var_1_1=10, var_1_2=1, var_1_8=5, var_1_9=307/20] [L110] CALL assume_abort_if_not(var_1_7 <= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=64, last_1_var_1_8=5, var_1_10=10, var_1_11=2, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=128, var_1_16=0, var_1_17=-64, var_1_18=64, var_1_1=10, var_1_2=1, var_1_7=9, var_1_8=5, var_1_9=307/20] [L20] COND FALSE !(!cond) [L110] RET assume_abort_if_not(var_1_7 <= 32767) VAL [isInitial=1, last_1_var_1_18=64, last_1_var_1_8=5, var_1_10=10, var_1_11=2, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=128, var_1_16=0, var_1_17=-64, var_1_18=64, var_1_1=10, var_1_2=1, var_1_7=9, var_1_8=5, var_1_9=307/20] [L111] var_1_9 = __VERIFIER_nondet_double() [L112] CALL assume_abort_if_not((var_1_9 >= -922337.2036854776000e+13F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 9223372.036854776000e+12F && var_1_9 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=64, last_1_var_1_8=5, var_1_10=10, var_1_11=2, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=128, var_1_16=0, var_1_17=-64, var_1_18=64, var_1_1=10, var_1_2=1, var_1_7=9, var_1_8=5] [L20] COND FALSE !(!cond) [L112] RET assume_abort_if_not((var_1_9 >= -922337.2036854776000e+13F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 9223372.036854776000e+12F && var_1_9 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_18=64, last_1_var_1_8=5, var_1_10=10, var_1_11=2, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=128, var_1_16=0, var_1_17=-64, var_1_18=64, var_1_1=10, var_1_2=1, var_1_7=9, var_1_8=5] [L113] CALL assume_abort_if_not(var_1_9 != 0.0F) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=64, last_1_var_1_8=5, var_1_10=10, var_1_11=2, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=128, var_1_16=0, var_1_17=-64, var_1_18=64, var_1_1=10, var_1_2=1, var_1_7=9, var_1_8=5] [L20] COND FALSE !(!cond) [L113] RET assume_abort_if_not(var_1_9 != 0.0F) VAL [isInitial=1, last_1_var_1_18=64, last_1_var_1_8=5, var_1_10=10, var_1_11=2, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=128, var_1_16=0, var_1_17=-64, var_1_18=64, var_1_1=10, var_1_2=1, var_1_7=9, var_1_8=5] [L114] var_1_10 = __VERIFIER_nondet_uchar() [L115] CALL assume_abort_if_not(var_1_10 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=64, last_1_var_1_8=5, var_1_11=2, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=128, var_1_16=0, var_1_17=-64, var_1_18=64, var_1_1=10, var_1_2=1, var_1_7=9, var_1_8=5] [L20] COND FALSE !(!cond) [L115] RET assume_abort_if_not(var_1_10 >= 0) VAL [isInitial=1, last_1_var_1_18=64, last_1_var_1_8=5, var_1_11=2, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=128, var_1_16=0, var_1_17=-64, var_1_18=64, var_1_1=10, var_1_2=1, var_1_7=9, var_1_8=5] [L116] CALL assume_abort_if_not(var_1_10 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=64, last_1_var_1_8=5, var_1_10=127, var_1_11=2, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=128, var_1_16=0, var_1_17=-64, var_1_18=64, var_1_1=10, var_1_2=1, var_1_7=9, var_1_8=5] [L20] COND FALSE !(!cond) [L116] RET assume_abort_if_not(var_1_10 <= 254) VAL [isInitial=1, last_1_var_1_18=64, last_1_var_1_8=5, var_1_10=127, var_1_11=2, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=128, var_1_16=0, var_1_17=-64, var_1_18=64, var_1_1=10, var_1_2=1, var_1_7=9, var_1_8=5] [L117] var_1_11 = __VERIFIER_nondet_uchar() [L118] CALL assume_abort_if_not(var_1_11 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=64, last_1_var_1_8=5, var_1_10=127, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=128, var_1_16=0, var_1_17=-64, var_1_18=64, var_1_1=10, var_1_2=1, var_1_7=9, var_1_8=5] [L20] COND FALSE !(!cond) [L118] RET assume_abort_if_not(var_1_11 >= 0) VAL [isInitial=1, last_1_var_1_18=64, last_1_var_1_8=5, var_1_10=127, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=128, var_1_16=0, var_1_17=-64, var_1_18=64, var_1_1=10, var_1_2=1, var_1_7=9, var_1_8=5] [L119] CALL assume_abort_if_not(var_1_11 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=64, last_1_var_1_8=5, var_1_10=127, var_1_11=254, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=128, var_1_16=0, var_1_17=-64, var_1_18=64, var_1_1=10, var_1_2=1, var_1_7=9, var_1_8=5] [L20] COND FALSE !(!cond) [L119] RET assume_abort_if_not(var_1_11 <= 254) VAL [isInitial=1, last_1_var_1_18=64, last_1_var_1_8=5, var_1_10=127, var_1_11=254, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=128, var_1_16=0, var_1_17=-64, var_1_18=64, var_1_1=10, var_1_2=1, var_1_7=9, var_1_8=5] [L120] var_1_15 = __VERIFIER_nondet_uchar() [L121] CALL assume_abort_if_not(var_1_15 >= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=64, last_1_var_1_8=5, var_1_10=127, var_1_11=254, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=127, var_1_16=0, var_1_17=-64, var_1_18=64, var_1_1=10, var_1_2=1, var_1_7=9, var_1_8=5] [L20] COND FALSE !(!cond) [L121] RET assume_abort_if_not(var_1_15 >= 127) VAL [isInitial=1, last_1_var_1_18=64, last_1_var_1_8=5, var_1_10=127, var_1_11=254, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=127, var_1_16=0, var_1_17=-64, var_1_18=64, var_1_1=10, var_1_2=1, var_1_7=9, var_1_8=5] [L122] CALL assume_abort_if_not(var_1_15 <= 255) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=64, last_1_var_1_8=5, var_1_10=127, var_1_11=254, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=127, var_1_16=0, var_1_17=-64, var_1_18=64, var_1_1=10, var_1_2=1, var_1_7=9, var_1_8=5] [L20] COND FALSE !(!cond) [L122] RET assume_abort_if_not(var_1_15 <= 255) VAL [isInitial=1, last_1_var_1_18=64, last_1_var_1_8=5, var_1_10=127, var_1_11=254, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=127, var_1_16=0, var_1_17=-64, var_1_18=64, var_1_1=10, var_1_2=1, var_1_7=9, var_1_8=5] [L123] var_1_16 = __VERIFIER_nondet_uchar() [L124] CALL assume_abort_if_not(var_1_16 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=64, last_1_var_1_8=5, var_1_10=127, var_1_11=254, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=127, var_1_17=-64, var_1_18=64, var_1_1=10, var_1_2=1, var_1_7=9, var_1_8=5] [L20] COND FALSE !(!cond) [L124] RET assume_abort_if_not(var_1_16 >= 0) VAL [isInitial=1, last_1_var_1_18=64, last_1_var_1_8=5, var_1_10=127, var_1_11=254, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=127, var_1_17=-64, var_1_18=64, var_1_1=10, var_1_2=1, var_1_7=9, var_1_8=5] [L125] CALL assume_abort_if_not(var_1_16 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=64, last_1_var_1_8=5, var_1_10=127, var_1_11=254, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=127, var_1_16=0, var_1_17=-64, var_1_18=64, var_1_1=10, var_1_2=1, var_1_7=9, var_1_8=5] [L20] COND FALSE !(!cond) [L125] RET assume_abort_if_not(var_1_16 <= 127) VAL [isInitial=1, last_1_var_1_18=64, last_1_var_1_8=5, var_1_10=127, var_1_11=254, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=127, var_1_16=0, var_1_17=-64, var_1_18=64, var_1_1=10, var_1_2=1, var_1_7=9, var_1_8=5] [L126] var_1_17 = __VERIFIER_nondet_char() [L127] CALL assume_abort_if_not(var_1_17 >= -126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=64, last_1_var_1_8=5, var_1_10=127, var_1_11=254, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=127, var_1_16=0, var_1_17=0, var_1_18=64, var_1_1=10, var_1_2=1, var_1_7=9, var_1_8=5] [L20] COND FALSE !(!cond) [L127] RET assume_abort_if_not(var_1_17 >= -126) VAL [isInitial=1, last_1_var_1_18=64, last_1_var_1_8=5, var_1_10=127, var_1_11=254, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=127, var_1_16=0, var_1_17=0, var_1_18=64, var_1_1=10, var_1_2=1, var_1_7=9, var_1_8=5] [L128] CALL assume_abort_if_not(var_1_17 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=64, last_1_var_1_8=5, var_1_10=127, var_1_11=254, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=127, var_1_16=0, var_1_17=0, var_1_18=64, var_1_1=10, var_1_2=1, var_1_7=9, var_1_8=5] [L20] COND FALSE !(!cond) [L128] RET assume_abort_if_not(var_1_17 <= 126) VAL [isInitial=1, last_1_var_1_18=64, last_1_var_1_8=5, var_1_10=127, var_1_11=254, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=127, var_1_16=0, var_1_17=0, var_1_18=64, var_1_1=10, var_1_2=1, var_1_7=9, var_1_8=5] [L143] RET updateVariables() [L144] CALL step() [L45] COND TRUE \read(var_1_2) [L46] COND FALSE !(-128 > var_1_10) [L56] COND TRUE var_1_10 == (((((var_1_15 - var_1_16)) > (var_1_12)) ? ((var_1_15 - var_1_16)) : (var_1_12))) [L57] var_1_14 = ((((var_1_17) < 0 ) ? -(var_1_17) : (var_1_17))) [L61] COND TRUE \read(var_1_2) [L62] COND TRUE ((var_1_3 - var_1_4) - var_1_5) == (15.75 - var_1_6) [L63] var_1_1 = (5 + last_1_var_1_8) [L70] COND FALSE !(var_1_6 > (var_1_5 / ((((var_1_3) > (var_1_9)) ? (var_1_3) : (var_1_9))))) [L73] COND FALSE !(var_1_1 <= var_1_7) [L76] var_1_8 = var_1_11 [L79] COND TRUE \read(var_1_2) [L80] var_1_13 = var_1_11 [L82] COND TRUE var_1_8 == var_1_13 [L83] var_1_18 = (var_1_10 + ((((var_1_14) < (var_1_16)) ? (var_1_14) : (var_1_16)))) [L144] RET step() [L145] CALL, EXPR property() [L135-L136] return (((((var_1_2 ? ((((var_1_3 - var_1_4) - var_1_5) == (15.75 - var_1_6)) ? (var_1_1 == ((unsigned short int) (5 + last_1_var_1_8))) : (var_1_1 == ((unsigned short int) last_1_var_1_8))) : (var_1_1 == ((unsigned short int) 1))) && ((var_1_6 > (var_1_5 / ((((var_1_3) > (var_1_9)) ? (var_1_3) : (var_1_9))))) ? (var_1_8 == ((unsigned char) ((((var_1_10) < 0 ) ? -(var_1_10) : (var_1_10))))) : ((var_1_1 <= var_1_7) ? (var_1_8 == ((unsigned char) var_1_10)) : (var_1_8 == ((unsigned char) var_1_11))))) && (var_1_2 ? ((-128 > var_1_10) ? ((var_1_3 >= (2.75 / var_1_9)) ? (var_1_12 == ((signed long int) (var_1_11 + (last_1_var_1_18 + var_1_10)))) : (var_1_12 == ((signed long int) last_1_var_1_18))) : 1) : (var_1_12 == ((signed long int) last_1_var_1_18)))) && (var_1_2 ? (var_1_13 == ((signed long int) var_1_11)) : 1)) && ((var_1_10 == (((((var_1_15 - var_1_16)) > (var_1_12)) ? ((var_1_15 - var_1_16)) : (var_1_12)))) ? (var_1_14 == ((signed char) ((((var_1_17) < 0 ) ? -(var_1_17) : (var_1_17))))) : (var_1_14 == ((signed char) var_1_17)))) && ((var_1_8 == var_1_13) ? (var_1_18 == ((unsigned short int) (var_1_10 + ((((var_1_14) < (var_1_16)) ? (var_1_14) : (var_1_16)))))) : ((last_1_var_1_18 != var_1_16) ? ((-256 >= var_1_13) ? (var_1_18 == ((unsigned short int) var_1_16)) : (var_1_18 == ((unsigned short int) var_1_15))) : (var_1_18 == ((unsigned short int) var_1_10)))) ; [L145] RET, EXPR property() [L145] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_18=64, last_1_var_1_8=5, var_1_10=127, var_1_11=254, var_1_12=32, var_1_13=254, var_1_14=0, var_1_15=127, var_1_16=0, var_1_17=0, var_1_18=127, var_1_1=10, var_1_2=1, var_1_7=9, var_1_8=254] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_18=64, last_1_var_1_8=5, var_1_10=127, var_1_11=254, var_1_12=32, var_1_13=254, var_1_14=0, var_1_15=127, var_1_16=0, var_1_17=0, var_1_18=127, var_1_1=10, var_1_2=1, var_1_7=9, var_1_8=254] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 41 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.6s, OverallIterations: 1, TraceHistogramMax: 20, 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=41occurred 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, 76 NumberOfCodeBlocks, 76 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 08:22:24,040 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5f43fbe-a75e-47b7-86cc-be61a7d39634/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5f43fbe-a75e-47b7-86cc-be61a7d39634/bin/utaipan-verify-nQ1chXbOIh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5f43fbe-a75e-47b7-86cc-be61a7d39634/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_d5f43fbe-a75e-47b7-86cc-be61a7d39634/bin/utaipan-verify-nQ1chXbOIh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5f43fbe-a75e-47b7-86cc-be61a7d39634/bin/utaipan-verify-nQ1chXbOIh/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-48.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5f43fbe-a75e-47b7-86cc-be61a7d39634/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_d5f43fbe-a75e-47b7-86cc-be61a7d39634/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 155661f7f785ccb94a94941deccc723470e31568c938f67b1f43e70ee84fa5f7 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 08:22:25,994 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 08:22:26,062 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5f43fbe-a75e-47b7-86cc-be61a7d39634/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2023-12-02 08:22:26,068 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 08:22:26,068 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-02 08:22:26,097 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 08:22:26,097 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-02 08:22:26,098 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-02 08:22:26,099 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 08:22:26,099 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-02 08:22:26,100 INFO L153 SettingsManager]: * User list type=DISABLED [2023-12-02 08:22:26,100 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-12-02 08:22:26,101 INFO L153 SettingsManager]: * Explicit value domain=true [2023-12-02 08:22:26,101 INFO L153 SettingsManager]: * Octagon Domain=false [2023-12-02 08:22:26,102 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-12-02 08:22:26,102 INFO L153 SettingsManager]: * Interval Domain=false [2023-12-02 08:22:26,103 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 08:22:26,103 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 08:22:26,104 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 08:22:26,104 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 08:22:26,105 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 08:22:26,106 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 08:22:26,106 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 08:22:26,107 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 08:22:26,107 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-02 08:22:26,107 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-02 08:22:26,108 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-02 08:22:26,108 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 08:22:26,109 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 08:22:26,109 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 08:22:26,110 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 08:22:26,110 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-02 08:22:26,110 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-02 08:22:26,111 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-02 08:22:26,111 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 08:22:26,111 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 08:22:26,111 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 08:22:26,112 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 08:22:26,112 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-02 08:22:26,112 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 08:22:26,112 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-02 08:22:26,112 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 08:22:26,113 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-12-02 08:22:26,113 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 08:22:26,113 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_d5f43fbe-a75e-47b7-86cc-be61a7d39634/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5f43fbe-a75e-47b7-86cc-be61a7d39634/bin/utaipan-verify-nQ1chXbOIh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 155661f7f785ccb94a94941deccc723470e31568c938f67b1f43e70ee84fa5f7 [2023-12-02 08:22:26,414 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 08:22:26,435 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 08:22:26,438 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 08:22:26,439 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 08:22:26,439 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 08:22:26,441 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5f43fbe-a75e-47b7-86cc-be61a7d39634/bin/utaipan-verify-nQ1chXbOIh/../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-48.i [2023-12-02 08:22:29,254 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 08:22:29,468 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 08:22:29,468 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5f43fbe-a75e-47b7-86cc-be61a7d39634/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-48.i [2023-12-02 08:22:29,481 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5f43fbe-a75e-47b7-86cc-be61a7d39634/bin/utaipan-verify-nQ1chXbOIh/data/3fe218f93/d4d58946ccc64989af876182abed9a46/FLAG786bc146b [2023-12-02 08:22:29,495 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5f43fbe-a75e-47b7-86cc-be61a7d39634/bin/utaipan-verify-nQ1chXbOIh/data/3fe218f93/d4d58946ccc64989af876182abed9a46 [2023-12-02 08:22:29,497 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 08:22:29,498 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 08:22:29,499 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 08:22:29,499 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 08:22:29,503 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 08:22:29,504 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 08:22:29" (1/1) ... [2023-12-02 08:22:29,505 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5e0df043 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:22:29, skipping insertion in model container [2023-12-02 08:22:29,505 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 08:22:29" (1/1) ... [2023-12-02 08:22:29,533 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 08:22:29,655 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_d5f43fbe-a75e-47b7-86cc-be61a7d39634/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-48.i[919,932] [2023-12-02 08:22:29,707 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 08:22:29,726 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 08:22:29,736 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_d5f43fbe-a75e-47b7-86cc-be61a7d39634/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-48.i[919,932] [2023-12-02 08:22:29,766 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 08:22:29,783 INFO L206 MainTranslator]: Completed translation [2023-12-02 08:22:29,783 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:22:29 WrapperNode [2023-12-02 08:22:29,783 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 08:22:29,784 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 08:22:29,784 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 08:22:29,784 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 08:22:29,790 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:22:29" (1/1) ... [2023-12-02 08:22:29,802 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:22:29" (1/1) ... [2023-12-02 08:22:29,829 INFO L138 Inliner]: procedures = 27, calls = 33, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 140 [2023-12-02 08:22:29,829 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 08:22:29,830 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 08:22:29,830 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 08:22:29,831 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 08:22:29,840 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:22:29" (1/1) ... [2023-12-02 08:22:29,840 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:22:29" (1/1) ... [2023-12-02 08:22:29,845 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:22:29" (1/1) ... [2023-12-02 08:22:29,845 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:22:29" (1/1) ... [2023-12-02 08:22:29,857 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:22:29" (1/1) ... [2023-12-02 08:22:29,860 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:22:29" (1/1) ... [2023-12-02 08:22:29,863 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:22:29" (1/1) ... [2023-12-02 08:22:29,866 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:22:29" (1/1) ... [2023-12-02 08:22:29,870 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 08:22:29,871 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 08:22:29,871 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 08:22:29,871 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 08:22:29,872 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:22:29" (1/1) ... [2023-12-02 08:22:29,878 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 08:22:29,890 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5f43fbe-a75e-47b7-86cc-be61a7d39634/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 08:22:29,900 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5f43fbe-a75e-47b7-86cc-be61a7d39634/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-12-02 08:22:29,909 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5f43fbe-a75e-47b7-86cc-be61a7d39634/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-12-02 08:22:29,937 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 08:22:29,937 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-02 08:22:29,938 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-02 08:22:29,938 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-02 08:22:29,938 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 08:22:29,938 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 08:22:30,017 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 08:22:30,019 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 08:22:44,409 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 08:22:44,470 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 08:22:44,470 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-02 08:22:44,471 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 08:22:44 BoogieIcfgContainer [2023-12-02 08:22:44,471 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 08:22:44,473 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-02 08:22:44,473 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-02 08:22:44,476 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-02 08:22:44,476 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 08:22:29" (1/3) ... [2023-12-02 08:22:44,477 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@199bdc03 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 08:22:44, skipping insertion in model container [2023-12-02 08:22:44,477 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:22:29" (2/3) ... [2023-12-02 08:22:44,478 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@199bdc03 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 08:22:44, skipping insertion in model container [2023-12-02 08:22:44,478 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 08:22:44" (3/3) ... [2023-12-02 08:22:44,480 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_codestructure_dependencies_file-48.i [2023-12-02 08:22:44,495 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-02 08:22:44,495 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-02 08:22:44,542 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-02 08:22:44,548 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;@74994d91, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-02 08:22:44,548 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-02 08:22:44,552 INFO L276 IsEmpty]: Start isEmpty. Operand has 57 states, 34 states have (on average 1.5) internal successors, (51), 35 states have internal predecessors, (51), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2023-12-02 08:22:44,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2023-12-02 08:22:44,566 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 08:22:44,567 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:22:44,567 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 08:22:44,572 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 08:22:44,572 INFO L85 PathProgramCache]: Analyzing trace with hash 1281183833, now seen corresponding path program 1 times [2023-12-02 08:22:44,585 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 08:22:44,585 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [422817148] [2023-12-02 08:22:44,585 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 08:22:44,586 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 08:22:44,586 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5f43fbe-a75e-47b7-86cc-be61a7d39634/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 08:22:44,587 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5f43fbe-a75e-47b7-86cc-be61a7d39634/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 08:22:44,595 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5f43fbe-a75e-47b7-86cc-be61a7d39634/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 08:22:46,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 08:22:46,479 INFO L262 TraceCheckSpWp]: Trace formula consists of 206 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-02 08:22:46,491 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 08:22:46,657 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2023-12-02 08:22:46,658 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 08:22:46,659 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 08:22:46,659 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [422817148] [2023-12-02 08:22:46,660 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [422817148] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 08:22:46,660 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 08:22:46,660 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-02 08:22:46,662 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [356753311] [2023-12-02 08:22:46,663 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 08:22:46,669 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-02 08:22:46,669 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 08:22:46,703 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-02 08:22:46,704 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 08:22:46,706 INFO L87 Difference]: Start difference. First operand has 57 states, 34 states have (on average 1.5) internal successors, (51), 35 states have internal predecessors, (51), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) Second operand has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2023-12-02 08:22:50,446 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.59s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 08:22:54,449 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.54s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 08:22:56,456 WARN L539 Checker$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 08:22:56,901 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 08:22:56,902 INFO L93 Difference]: Finished difference Result 124 states and 223 transitions. [2023-12-02 08:22:56,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 08:22:56,904 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 123 [2023-12-02 08:22:56,906 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 08:22:56,914 INFO L225 Difference]: With dead ends: 124 [2023-12-02 08:22:56,914 INFO L226 Difference]: Without dead ends: 68 [2023-12-02 08:22:56,916 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 122 GetRequests, 121 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 08:22:56,920 INFO L413 NwaCegarLoop]: 78 mSDtfsCounter, 16 mSDsluCounter, 72 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 3 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 150 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.1s IncrementalHoareTripleChecker+Time [2023-12-02 08:22:56,921 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 150 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 13 Invalid, 3 Unknown, 0 Unchecked, 10.1s Time] [2023-12-02 08:22:56,934 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states. [2023-12-02 08:22:56,956 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 59. [2023-12-02 08:22:56,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 59 states, 37 states have (on average 1.3783783783783783) internal successors, (51), 37 states have internal predecessors, (51), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2023-12-02 08:22:56,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 91 transitions. [2023-12-02 08:22:56,962 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 91 transitions. Word has length 123 [2023-12-02 08:22:56,963 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 08:22:56,964 INFO L495 AbstractCegarLoop]: Abstraction has 59 states and 91 transitions. [2023-12-02 08:22:56,964 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2023-12-02 08:22:56,964 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 91 transitions. [2023-12-02 08:22:56,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2023-12-02 08:22:56,968 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 08:22:56,968 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:22:56,990 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5f43fbe-a75e-47b7-86cc-be61a7d39634/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 08:22:57,168 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5f43fbe-a75e-47b7-86cc-be61a7d39634/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 08:22:57,169 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 08:22:57,170 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 08:22:57,170 INFO L85 PathProgramCache]: Analyzing trace with hash 1283030875, now seen corresponding path program 1 times [2023-12-02 08:22:57,170 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 08:22:57,171 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1177718260] [2023-12-02 08:22:57,171 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 08:22:57,171 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 08:22:57,171 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5f43fbe-a75e-47b7-86cc-be61a7d39634/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 08:22:57,173 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5f43fbe-a75e-47b7-86cc-be61a7d39634/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 08:22:57,174 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5f43fbe-a75e-47b7-86cc-be61a7d39634/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 08:22:58,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 08:22:58,786 INFO L262 TraceCheckSpWp]: Trace formula consists of 205 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-02 08:22:58,791 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 08:23:01,027 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2023-12-02 08:23:01,028 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 08:23:01,028 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 08:23:01,028 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1177718260] [2023-12-02 08:23:01,028 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1177718260] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 08:23:01,029 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 08:23:01,029 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-02 08:23:01,029 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1378098079] [2023-12-02 08:23:01,029 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 08:23:01,031 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-02 08:23:01,031 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 08:23:01,032 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-02 08:23:01,032 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 08:23:01,032 INFO L87 Difference]: Start difference. First operand 59 states and 91 transitions. Second operand has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 2 states have internal predecessors, (26), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2023-12-02 08:23:04,556 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.47s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 08:23:08,575 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.53s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 08:23:10,579 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 08:23:11,054 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 08:23:11,054 INFO L93 Difference]: Finished difference Result 175 states and 271 transitions. [2023-12-02 08:23:11,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 08:23:11,055 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 2 states have internal predecessors, (26), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 123 [2023-12-02 08:23:11,057 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 08:23:11,059 INFO L225 Difference]: With dead ends: 175 [2023-12-02 08:23:11,059 INFO L226 Difference]: Without dead ends: 117 [2023-12-02 08:23:11,061 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 122 GetRequests, 121 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 08:23:11,062 INFO L413 NwaCegarLoop]: 78 mSDtfsCounter, 18 mSDsluCounter, 75 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 1 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 153 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.0s IncrementalHoareTripleChecker+Time [2023-12-02 08:23:11,063 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 153 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 10 Invalid, 3 Unknown, 0 Unchecked, 10.0s Time] [2023-12-02 08:23:11,064 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 117 states. [2023-12-02 08:23:11,096 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 117 to 115. [2023-12-02 08:23:11,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 115 states, 72 states have (on average 1.3611111111111112) internal successors, (98), 72 states have internal predecessors, (98), 40 states have call successors, (40), 2 states have call predecessors, (40), 2 states have return successors, (40), 40 states have call predecessors, (40), 40 states have call successors, (40) [2023-12-02 08:23:11,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 178 transitions. [2023-12-02 08:23:11,099 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 178 transitions. Word has length 123 [2023-12-02 08:23:11,100 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 08:23:11,100 INFO L495 AbstractCegarLoop]: Abstraction has 115 states and 178 transitions. [2023-12-02 08:23:11,100 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 2 states have internal predecessors, (26), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2023-12-02 08:23:11,101 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 178 transitions. [2023-12-02 08:23:11,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2023-12-02 08:23:11,103 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 08:23:11,103 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:23:11,125 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5f43fbe-a75e-47b7-86cc-be61a7d39634/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 08:23:11,304 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5f43fbe-a75e-47b7-86cc-be61a7d39634/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 08:23:11,304 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 08:23:11,305 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 08:23:11,305 INFO L85 PathProgramCache]: Analyzing trace with hash 1118929590, now seen corresponding path program 1 times [2023-12-02 08:23:11,305 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 08:23:11,305 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [539008231] [2023-12-02 08:23:11,305 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 08:23:11,306 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 08:23:11,306 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5f43fbe-a75e-47b7-86cc-be61a7d39634/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 08:23:11,307 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5f43fbe-a75e-47b7-86cc-be61a7d39634/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 08:23:11,307 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5f43fbe-a75e-47b7-86cc-be61a7d39634/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 08:23:12,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 08:23:12,976 INFO L262 TraceCheckSpWp]: Trace formula consists of 206 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-02 08:23:12,985 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 08:23:22,806 WARN L293 SmtUtils]: Spent 6.03s 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 08:23:28,795 WARN L293 SmtUtils]: Spent 5.99s 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 08:23:34,835 WARN L293 SmtUtils]: Spent 6.04s 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 08:23:40,805 WARN L293 SmtUtils]: Spent 5.97s 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 08:23:46,825 WARN L293 SmtUtils]: Spent 6.02s 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 08:23:52,856 WARN L293 SmtUtils]: Spent 6.03s 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 08:23:58,939 WARN L293 SmtUtils]: Spent 6.08s 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 08:24:04,911 WARN L293 SmtUtils]: Spent 5.97s 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 08:24:15,311 WARN L293 SmtUtils]: Spent 5.98s 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 08:24:25,799 WARN L293 SmtUtils]: Spent 6.05s 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 08:24:34,000 WARN L293 SmtUtils]: Spent 6.15s 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 08:24:46,005 WARN L293 SmtUtils]: Spent 5.93s 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 08:24:51,980 WARN L293 SmtUtils]: Spent 5.97s on a formula simplification that was a NOOP. DAG size: 9 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 08:24:57,882 WARN L293 SmtUtils]: Spent 5.90s on a formula simplification that was a NOOP. DAG size: 8 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 08:25:03,856 WARN L293 SmtUtils]: Spent 5.97s on a formula simplification that was a NOOP. DAG size: 9 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 08:25:06,278 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse2 ((_ zero_extend 24) c_~var_1_10~0))) (and (= (_ bv256 32) c_~var_1_13~0) (let ((.cse1 ((_ sign_extend 24) c_~var_1_17~0))) (let ((.cse0 (bvslt .cse1 (_ bv0 32)))) (or (and .cse0 (= ((_ extract 7 0) (bvneg .cse1)) c_~var_1_14~0)) (and (= ((_ extract 7 0) .cse1) c_~var_1_14~0) (not .cse0))))) (let ((.cse4 (bvadd (bvneg ((_ zero_extend 24) c_~var_1_16~0)) ((_ zero_extend 24) c_~var_1_15~0)))) (let ((.cse3 (bvsgt .cse4 c_~var_1_12~0))) (or (and (= c_~var_1_12~0 .cse2) (not .cse3)) (and .cse3 (= .cse4 .cse2))))) (= ((_ extract 7 0) .cse2) c_~var_1_8~0) (= (_ bv0 8) c_~var_1_2~0) (let ((.cse5 (fp.gt c_~var_1_3~0 c_~var_1_9~0))) (or (and (not .cse5) (fp.gt c_~var_1_6~0 (fp.div c_currentRoundingMode c_~var_1_5~0 c_~var_1_9~0))) (and (fp.gt c_~var_1_6~0 (fp.div c_currentRoundingMode c_~var_1_5~0 c_~var_1_3~0)) .cse5))) (= ((_ zero_extend 16) c_~last_1_var_1_18~0) c_~var_1_12~0) (= c_~var_1_1~0 (_ bv1 16)))) is different from false [2023-12-02 08:25:08,699 WARN L876 $PredicateComparison]: unable to prove that (let ((.cse2 ((_ zero_extend 24) c_~var_1_10~0))) (and (= (_ bv256 32) c_~var_1_13~0) (let ((.cse1 ((_ sign_extend 24) c_~var_1_17~0))) (let ((.cse0 (bvslt .cse1 (_ bv0 32)))) (or (and .cse0 (= ((_ extract 7 0) (bvneg .cse1)) c_~var_1_14~0)) (and (= ((_ extract 7 0) .cse1) c_~var_1_14~0) (not .cse0))))) (let ((.cse4 (bvadd (bvneg ((_ zero_extend 24) c_~var_1_16~0)) ((_ zero_extend 24) c_~var_1_15~0)))) (let ((.cse3 (bvsgt .cse4 c_~var_1_12~0))) (or (and (= c_~var_1_12~0 .cse2) (not .cse3)) (and .cse3 (= .cse4 .cse2))))) (= ((_ extract 7 0) .cse2) c_~var_1_8~0) (= (_ bv0 8) c_~var_1_2~0) (let ((.cse5 (fp.gt c_~var_1_3~0 c_~var_1_9~0))) (or (and (not .cse5) (fp.gt c_~var_1_6~0 (fp.div c_currentRoundingMode c_~var_1_5~0 c_~var_1_9~0))) (and (fp.gt c_~var_1_6~0 (fp.div c_currentRoundingMode c_~var_1_5~0 c_~var_1_3~0)) .cse5))) (= ((_ zero_extend 16) c_~last_1_var_1_18~0) c_~var_1_12~0) (= c_~var_1_1~0 (_ bv1 16)))) is different from true [2023-12-02 08:25:14,720 WARN L293 SmtUtils]: Spent 6.00s 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 08:25:20,791 WARN L293 SmtUtils]: Spent 6.07s 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 08:25:26,908 WARN L293 SmtUtils]: Spent 6.12s 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 08:25:32,983 WARN L293 SmtUtils]: Spent 6.07s 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 08:25:39,029 WARN L293 SmtUtils]: Spent 6.05s 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 08:25:45,115 WARN L293 SmtUtils]: Spent 6.08s 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 08:25:51,267 WARN L293 SmtUtils]: Spent 6.15s 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 08:25:57,381 WARN L293 SmtUtils]: Spent 6.11s 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 08:26:07,497 WARN L293 SmtUtils]: Spent 6.12s 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 08:26:18,231 WARN L293 SmtUtils]: Spent 6.25s 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 08:26:24,399 WARN L293 SmtUtils]: Spent 6.17s 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 08:26:30,399 WARN L293 SmtUtils]: Spent 6.00s 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 08:26:36,498 WARN L293 SmtUtils]: Spent 6.10s on a formula simplification that was a NOOP. DAG size: 9 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 08:26:42,421 WARN L293 SmtUtils]: Spent 5.92s on a formula simplification that was a NOOP. DAG size: 8 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 08:26:48,486 WARN L293 SmtUtils]: Spent 6.06s on a formula simplification that was a NOOP. DAG size: 9 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 08:26:54,623 WARN L293 SmtUtils]: Spent 6.10s 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 08:27:00,759 WARN L293 SmtUtils]: Spent 6.13s 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 08:27:06,851 WARN L293 SmtUtils]: Spent 6.09s 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 08:27:12,934 WARN L293 SmtUtils]: Spent 6.08s 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 08:27:19,089 WARN L293 SmtUtils]: Spent 6.15s 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 08:27:25,251 WARN L293 SmtUtils]: Spent 6.16s 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 08:27:31,248 WARN L293 SmtUtils]: Spent 6.00s 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 08:27:37,303 WARN L293 SmtUtils]: Spent 6.05s 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 08:27:47,973 WARN L293 SmtUtils]: Spent 6.16s 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 08:27:58,491 WARN L293 SmtUtils]: Spent 6.02s 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 08:28:04,623 WARN L293 SmtUtils]: Spent 6.13s 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 08:28:10,657 WARN L293 SmtUtils]: Spent 6.03s 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 08:28:16,706 WARN L293 SmtUtils]: Spent 6.05s on a formula simplification that was a NOOP. DAG size: 9 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 08:28:22,760 WARN L293 SmtUtils]: Spent 6.05s on a formula simplification that was a NOOP. DAG size: 8 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 08:28:28,754 WARN L293 SmtUtils]: Spent 5.99s on a formula simplification that was a NOOP. DAG size: 9 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 08:28:34,800 WARN L293 SmtUtils]: Spent 6.00s 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 08:28:40,821 WARN L293 SmtUtils]: Spent 6.02s 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 08:28:46,832 WARN L293 SmtUtils]: Spent 6.01s 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 08:28:52,909 WARN L293 SmtUtils]: Spent 6.08s 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 08:28:59,148 WARN L293 SmtUtils]: Spent 6.24s 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 08:29:05,225 WARN L293 SmtUtils]: Spent 6.08s 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 08:29:11,232 WARN L293 SmtUtils]: Spent 6.01s 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 08:29:17,194 WARN L293 SmtUtils]: Spent 5.96s 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 08:29:23,178 WARN L293 SmtUtils]: Spent 5.98s 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 08:29:32,825 WARN L293 SmtUtils]: Spent 5.99s 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 08:29:43,235 WARN L293 SmtUtils]: Spent 5.95s 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 08:29:49,544 WARN L293 SmtUtils]: Spent 6.31s 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 08:29:55,520 WARN L293 SmtUtils]: Spent 5.98s 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 08:30:01,477 WARN L293 SmtUtils]: Spent 5.96s 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 08:30:07,466 WARN L293 SmtUtils]: Spent 5.99s on a formula simplification that was a NOOP. DAG size: 9 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 08:30:13,432 WARN L293 SmtUtils]: Spent 5.96s on a formula simplification that was a NOOP. DAG size: 8 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 08:30:19,415 WARN L293 SmtUtils]: Spent 5.98s on a formula simplification that was a NOOP. DAG size: 9 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 08:30:21,863 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse2 ((_ zero_extend 24) c_~var_1_16~0)) (.cse4 ((_ zero_extend 24) c_~var_1_10~0)) (.cse3 ((_ zero_extend 16) c_~last_1_var_1_18~0))) (and (= (_ bv256 32) c_~var_1_13~0) (let ((.cse1 ((_ sign_extend 24) c_~var_1_17~0))) (let ((.cse0 (bvslt .cse1 (_ bv0 32)))) (or (and .cse0 (= ((_ extract 7 0) (bvneg .cse1)) c_~var_1_14~0)) (and (= ((_ extract 7 0) .cse1) c_~var_1_14~0) (not .cse0))))) (= .cse2 .cse3) (let ((.cse6 (bvadd (bvneg .cse2) ((_ zero_extend 24) c_~var_1_15~0)))) (let ((.cse5 (bvsgt .cse6 c_~var_1_12~0))) (or (and (= c_~var_1_12~0 .cse4) (not .cse5)) (and .cse5 (= .cse6 .cse4))))) (= ((_ extract 7 0) .cse4) c_~var_1_8~0) (= c_~var_1_18~0 ((_ zero_extend 8) c_~var_1_10~0)) (= (_ bv0 8) c_~var_1_2~0) (let ((.cse7 (fp.gt c_~var_1_3~0 c_~var_1_9~0))) (or (and (not .cse7) (fp.gt c_~var_1_6~0 (fp.div c_currentRoundingMode c_~var_1_5~0 c_~var_1_9~0))) (and (fp.gt c_~var_1_6~0 (fp.div c_currentRoundingMode c_~var_1_5~0 c_~var_1_3~0)) .cse7))) (= .cse3 c_~var_1_12~0) (= c_~var_1_1~0 (_ bv1 16)))) is different from false [2023-12-02 08:30:24,327 WARN L876 $PredicateComparison]: unable to prove that (let ((.cse2 ((_ zero_extend 24) c_~var_1_16~0)) (.cse4 ((_ zero_extend 24) c_~var_1_10~0)) (.cse3 ((_ zero_extend 16) c_~last_1_var_1_18~0))) (and (= (_ bv256 32) c_~var_1_13~0) (let ((.cse1 ((_ sign_extend 24) c_~var_1_17~0))) (let ((.cse0 (bvslt .cse1 (_ bv0 32)))) (or (and .cse0 (= ((_ extract 7 0) (bvneg .cse1)) c_~var_1_14~0)) (and (= ((_ extract 7 0) .cse1) c_~var_1_14~0) (not .cse0))))) (= .cse2 .cse3) (let ((.cse6 (bvadd (bvneg .cse2) ((_ zero_extend 24) c_~var_1_15~0)))) (let ((.cse5 (bvsgt .cse6 c_~var_1_12~0))) (or (and (= c_~var_1_12~0 .cse4) (not .cse5)) (and .cse5 (= .cse6 .cse4))))) (= ((_ extract 7 0) .cse4) c_~var_1_8~0) (= c_~var_1_18~0 ((_ zero_extend 8) c_~var_1_10~0)) (= (_ bv0 8) c_~var_1_2~0) (let ((.cse7 (fp.gt c_~var_1_3~0 c_~var_1_9~0))) (or (and (not .cse7) (fp.gt c_~var_1_6~0 (fp.div c_currentRoundingMode c_~var_1_5~0 c_~var_1_9~0))) (and (fp.gt c_~var_1_6~0 (fp.div c_currentRoundingMode c_~var_1_5~0 c_~var_1_3~0)) .cse7))) (= .cse3 c_~var_1_12~0) (= c_~var_1_1~0 (_ bv1 16)))) is different from true