./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-32.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94a9a97c-35a6-4244-9ec0-a59547504d81/bin/utaipan-verify-nQ1chXbOIh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94a9a97c-35a6-4244-9ec0-a59547504d81/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_94a9a97c-35a6-4244-9ec0-a59547504d81/bin/utaipan-verify-nQ1chXbOIh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94a9a97c-35a6-4244-9ec0-a59547504d81/bin/utaipan-verify-nQ1chXbOIh/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-32.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94a9a97c-35a6-4244-9ec0-a59547504d81/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_94a9a97c-35a6-4244-9ec0-a59547504d81/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 a3ace122b1e1ec58f75c9939f157863ad20805c3ed845fddb96d7761951d3563 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 15:56:17,458 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 15:56:17,523 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94a9a97c-35a6-4244-9ec0-a59547504d81/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-12-02 15:56:17,527 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 15:56:17,528 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-02 15:56:17,553 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 15:56:17,554 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-02 15:56:17,554 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-02 15:56:17,555 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 15:56:17,555 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-02 15:56:17,556 INFO L153 SettingsManager]: * User list type=DISABLED [2023-12-02 15:56:17,556 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-12-02 15:56:17,557 INFO L153 SettingsManager]: * Explicit value domain=true [2023-12-02 15:56:17,557 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-12-02 15:56:17,558 INFO L153 SettingsManager]: * Octagon Domain=false [2023-12-02 15:56:17,558 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-12-02 15:56:17,559 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-12-02 15:56:17,559 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-12-02 15:56:17,560 INFO L153 SettingsManager]: * Interval Domain=false [2023-12-02 15:56:17,560 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-12-02 15:56:17,561 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-12-02 15:56:17,562 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-12-02 15:56:17,562 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 15:56:17,563 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 15:56:17,563 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 15:56:17,564 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 15:56:17,564 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 15:56:17,565 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 15:56:17,565 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 15:56:17,566 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 15:56:17,566 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 15:56:17,566 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 15:56:17,567 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 15:56:17,567 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 15:56:17,567 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 15:56:17,567 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-02 15:56:17,567 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-02 15:56:17,568 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 15:56:17,568 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 15:56:17,568 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 15:56:17,568 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 15:56:17,569 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-12-02 15:56:17,569 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 15:56:17,569 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-02 15:56:17,569 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 15:56:17,569 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-12-02 15:56:17,569 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 15:56:17,570 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_94a9a97c-35a6-4244-9ec0-a59547504d81/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94a9a97c-35a6-4244-9ec0-a59547504d81/bin/utaipan-verify-nQ1chXbOIh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a3ace122b1e1ec58f75c9939f157863ad20805c3ed845fddb96d7761951d3563 [2023-12-02 15:56:17,799 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 15:56:17,820 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 15:56:17,822 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 15:56:17,823 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 15:56:17,824 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 15:56:17,825 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94a9a97c-35a6-4244-9ec0-a59547504d81/bin/utaipan-verify-nQ1chXbOIh/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-32.i [2023-12-02 15:56:20,502 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 15:56:20,673 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 15:56:20,674 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94a9a97c-35a6-4244-9ec0-a59547504d81/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-32.i [2023-12-02 15:56:20,682 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94a9a97c-35a6-4244-9ec0-a59547504d81/bin/utaipan-verify-nQ1chXbOIh/data/dea354c75/950348a22e2d440d8529d3a471185327/FLAGe0bdb5674 [2023-12-02 15:56:20,695 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94a9a97c-35a6-4244-9ec0-a59547504d81/bin/utaipan-verify-nQ1chXbOIh/data/dea354c75/950348a22e2d440d8529d3a471185327 [2023-12-02 15:56:20,698 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 15:56:20,699 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 15:56:20,700 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 15:56:20,701 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 15:56:20,705 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 15:56:20,706 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 03:56:20" (1/1) ... [2023-12-02 15:56:20,707 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@701654c2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:56:20, skipping insertion in model container [2023-12-02 15:56:20,707 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 03:56:20" (1/1) ... [2023-12-02 15:56:20,741 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 15:56:20,934 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_94a9a97c-35a6-4244-9ec0-a59547504d81/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-32.i[916,929] [2023-12-02 15:56:20,992 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 15:56:21,004 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 15:56:21,016 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_94a9a97c-35a6-4244-9ec0-a59547504d81/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-32.i[916,929] [2023-12-02 15:56:21,053 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 15:56:21,072 INFO L206 MainTranslator]: Completed translation [2023-12-02 15:56:21,072 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:56:21 WrapperNode [2023-12-02 15:56:21,073 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 15:56:21,074 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 15:56:21,074 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 15:56:21,074 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 15:56:21,081 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:56:21" (1/1) ... [2023-12-02 15:56:21,096 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:56:21" (1/1) ... [2023-12-02 15:56:21,134 INFO L138 Inliner]: procedures = 26, calls = 154, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 378 [2023-12-02 15:56:21,134 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 15:56:21,135 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 15:56:21,135 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 15:56:21,136 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 15:56:21,144 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:56:21" (1/1) ... [2023-12-02 15:56:21,144 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:56:21" (1/1) ... [2023-12-02 15:56:21,151 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:56:21" (1/1) ... [2023-12-02 15:56:21,151 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:56:21" (1/1) ... [2023-12-02 15:56:21,173 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:56:21" (1/1) ... [2023-12-02 15:56:21,178 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:56:21" (1/1) ... [2023-12-02 15:56:21,181 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:56:21" (1/1) ... [2023-12-02 15:56:21,185 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:56:21" (1/1) ... [2023-12-02 15:56:21,191 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 15:56:21,192 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 15:56:21,192 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 15:56:21,192 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 15:56:21,193 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:56:21" (1/1) ... [2023-12-02 15:56:21,200 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 15:56:21,211 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94a9a97c-35a6-4244-9ec0-a59547504d81/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 15:56:21,223 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94a9a97c-35a6-4244-9ec0-a59547504d81/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-12-02 15:56:21,225 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94a9a97c-35a6-4244-9ec0-a59547504d81/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-12-02 15:56:21,255 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 15:56:21,255 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-12-02 15:56:21,255 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-12-02 15:56:21,256 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-02 15:56:21,256 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-02 15:56:21,256 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 15:56:21,256 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 15:56:21,256 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 15:56:21,357 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 15:56:21,360 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 15:56:21,755 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 15:56:22,261 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 15:56:22,261 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-02 15:56:22,263 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:56:22 BoogieIcfgContainer [2023-12-02 15:56:22,263 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 15:56:22,265 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-02 15:56:22,265 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-02 15:56:22,269 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-02 15:56:22,269 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 03:56:20" (1/3) ... [2023-12-02 15:56:22,270 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3990fc04 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 03:56:22, skipping insertion in model container [2023-12-02 15:56:22,270 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:56:21" (2/3) ... [2023-12-02 15:56:22,270 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3990fc04 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 03:56:22, skipping insertion in model container [2023-12-02 15:56:22,270 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:56:22" (3/3) ... [2023-12-02 15:56:22,271 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-s_file-32.i [2023-12-02 15:56:22,290 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-02 15:56:22,291 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-02 15:56:22,342 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-02 15:56:22,349 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;@2be637b8, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-02 15:56:22,349 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-02 15:56:22,353 INFO L276 IsEmpty]: Start isEmpty. Operand has 45 states, 24 states have (on average 1.125) internal successors, (27), 25 states have internal predecessors, (27), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2023-12-02 15:56:22,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2023-12-02 15:56:22,364 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 15:56:22,365 INFO L195 NwaCegarLoop]: trace histogram [18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:56:22,366 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 15:56:22,371 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 15:56:22,371 INFO L85 PathProgramCache]: Analyzing trace with hash -76849045, now seen corresponding path program 1 times [2023-12-02 15:56:22,381 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 15:56:22,381 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [777015149] [2023-12-02 15:56:22,382 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 15:56:22,382 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 15:56:27,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 15:58:10,189 WARN L293 SmtUtils]: Spent 5.02s on a formula simplification. DAG size of input: 100 DAG size of output: 80 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-02 16:03:27,570 WARN L293 SmtUtils]: Spent 58.55s on a formula simplification. DAG size of input: 194 DAG size of output: 160 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-02 16:05:36,465 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse21 (select |c_#memory_int| |c_~#WrapperStruct00~0.base|))) (let ((.cse6 (select .cse21 (+ |c_~#WrapperStruct00~0.offset| 4)))) (let ((.cse10 (select .cse21 (+ |c_~#WrapperStruct00~0.offset| 6))) (.cse0 (select .cse21 (+ |c_~#WrapperStruct00~0.offset| 2))) (.cse14 (div .cse6 65536)) (.cse32 (select .cse21 (+ |c_~#WrapperStruct00~0.offset| 10)))) (let ((.cse24 (div (+ .cse32 (- 127)) 256)) (.cse22 (select .cse21 (+ |c_~#WrapperStruct00~0.offset| 11))) (.cse39 (div .cse32 256)) (.cse4 (* .cse14 65536)) (.cse9 (div .cse0 65536)) (.cse18 (div (+ (* (- 1) .cse0) 32767) 32768)) (.cse16 (div .cse10 65536)) (.cse13 (div (+ .cse10 1) 65536))) (let ((.cse11 (* 4294967296 .cse0)) (.cse3 (* 65536 .cse13)) (.cse2 (* 65536 .cse16)) (.cse20 (* 65536 .cse18)) (.cse8 (* 65536 .cse0)) (.cse19 (+ 65536 .cse4 (* 131072 .cse9))) (.cse28 (* 256 .cse39)) (.cse31 (div .cse22 256)) (.cse33 (* .cse24 512))) (and (let ((.cse7 (* .cse10 (- 65536))) (.cse5 (* 65536 .cse9))) (or (let ((.cse1 (* 65536 (div (+ 2147549183 .cse7 .cse8) 4294967296)))) (and (<= .cse0 (+ .cse1 32767 .cse2)) (<= (+ .cse3 .cse1 .cse4) (+ .cse5 .cse6)))) (< (+ .cse3 .cse4 (* 65536 (div (+ 6442516479 .cse7 .cse8) 4294967296))) (+ .cse5 .cse6 1)))) (let ((.cse15 (* 2 .cse9)) (.cse12 (* .cse6 2147483648))) (or (< (+ (div (+ .cse11 6442450943 .cse12) 140737488355328) .cse13) (+ .cse14 .cse15 .cse16 1)) (let ((.cse17 (div (+ .cse11 (- 140731045904385) .cse12) 140737488355328))) (and (<= (+ .cse17 .cse13) (+ .cse14 .cse15 .cse16)) (<= (+ .cse4 .cse0) (+ (* .cse18 32768) (* 65536 .cse17) 32767)))))) (or (< (+ (* (div (+ .cse11 8589934591) 140737488355328) 65536) .cse6) .cse19) (< .cse10 (+ .cse20 .cse2 65535 (* 65536 (div (+ .cse11 (- 140728898420737)) 140737488355328))))) (= c_~last_1_WrapperStruct00_var_1_6~0 0) (= (select .cse21 (+ |c_~#WrapperStruct00~0.offset| 8)) 0) (let ((.cse25 (* .cse24 (- 512))) (.cse26 (* .cse32 2)) (.cse29 (* .cse32 (- 256))) (.cse30 (* 256 .cse22)) (.cse27 (* .cse31 (- 256)))) (or (let ((.cse23 (* 256 (div (+ 32767 .cse29 .cse30) 65536)))) (and (<= .cse22 (+ 255 .cse23 (* 256 .cse24))) (<= (+ .cse3 (* 65536 (div (+ .cse25 32258 .cse26 .cse23 .cse27 .cse0 .cse28) 65536))) (+ .cse2 .cse0)))) (< (+ .cse3 (* 65536 (div (+ .cse25 32258 .cse26 (* 256 (div (+ 98303 .cse29 .cse30) 65536)) .cse27 .cse0 .cse28) 65536))) (+ .cse2 .cse0 1)))) (= |c_ULTIMATE.start_updateVariables_#t~mem60#1| (select .cse21 (+ |c_~#WrapperStruct00~0.offset| 12))) (<= (+ .cse3 .cse4 .cse0) (+ 32767 (* 65536 (div (+ .cse6 .cse0) 65536)) .cse2)) (let ((.cse34 (* 65536 .cse22)) (.cse35 (* (- 16777216) .cse24)) (.cse36 (* 8388608 .cse39)) (.cse37 (* .cse31 (- 16777216))) (.cse38 (* .cse32 32768))) (or (< (+ .cse32 (* 2 .cse22) .cse28) (+ .cse33 (* .cse31 512) 766 .cse20 (* 65536 (div (+ .cse34 (- 25001985) .cse35 .cse36 .cse37 .cse38 .cse8) 2147483648)))) (< (+ (* 65536 (div (+ .cse34 .cse35 .cse36 2122481663 .cse37 .cse38 .cse8) 2147483648)) .cse6) .cse19))) (<= (+ .cse22 .cse28) (+ (* 256 (div (+ 255 (* (- 1) .cse32)) 256)) (* .cse31 256) .cse33 255)))))))) is different from false [2023-12-02 16:07:30,387 WARN L293 SmtUtils]: Spent 27.00s on a formula simplification. DAG size of input: 171 DAG size of output: 135 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-02 16:08:43,931 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse35 (select |c_#memory_int| |c_~#WrapperStruct00~0.base|))) (let ((.cse6 (select .cse35 (+ |c_~#WrapperStruct00~0.offset| 4))) (.cse0 (select .cse35 (+ |c_~#WrapperStruct00~0.offset| 2))) (.cse10 (select .cse35 (+ |c_~#WrapperStruct00~0.offset| 6)))) (let ((.cse32 (select .cse35 (+ |c_~#WrapperStruct00~0.offset| 11))) (.cse33 (select .cse35 (+ |c_~#WrapperStruct00~0.offset| 10))) (.cse16 (div .cse10 65536)) (.cse13 (div (+ .cse10 1) 65536)) (.cse9 (div .cse0 65536)) (.cse20 (div (+ (* (- 1) .cse0) 32767) 32768)) (.cse14 (div .cse6 65536))) (let ((.cse4 (* .cse14 65536)) (.cse11 (* 4294967296 .cse0)) (.cse18 (* .cse20 32768)) (.cse19 (* 131072 .cse9)) (.cse3 (* 65536 .cse13)) (.cse2 (* 65536 .cse16)) (.cse29 (* 256 (div .cse33 256))) (.cse31 (div .cse32 256)) (.cse34 (div (+ .cse33 (- 127)) 256))) (and (let ((.cse7 (* .cse10 (- 65536))) (.cse8 (* 65536 .cse0)) (.cse5 (* 65536 .cse9))) (or (let ((.cse1 (* 65536 (div (+ 2147549183 .cse7 .cse8) 4294967296)))) (and (<= .cse0 (+ .cse1 32767 .cse2)) (<= (+ .cse3 .cse1 .cse4) (+ .cse5 .cse6)))) (< (+ .cse3 .cse4 (* 65536 (div (+ 6442516479 .cse7 .cse8) 4294967296))) (+ .cse5 .cse6 1)))) (let ((.cse15 (* 2 .cse9)) (.cse12 (* .cse6 2147483648))) (or (< (+ (div (+ .cse11 6442450943 .cse12) 140737488355328) .cse13) (+ .cse14 .cse15 .cse16 1)) (let ((.cse17 (div (+ .cse11 (- 140731045904385) .cse12) 140737488355328))) (and (<= (+ .cse17 .cse13) (+ .cse14 .cse15 .cse16)) (<= (+ .cse4 .cse0) (+ .cse18 (* 65536 .cse17) 32767)))))) (or (< (+ (* (div (+ .cse11 8589934591) 140737488355328) 65536) .cse6) (+ 65536 .cse4 .cse19)) (< .cse10 (+ (* 65536 .cse20) .cse2 65535 (* 65536 (div (+ .cse11 (- 140728898420737)) 140737488355328))))) (let ((.cse21 (* .cse14 (- 65536))) (.cse22 (* (- 1) .cse10))) (or (< .cse0 (+ .cse18 .cse19 (* 65536 (div (+ .cse21 (- 4) .cse2 .cse6 .cse22) 131072)) 32768)) (let ((.cse23 (div (+ .cse21 131068 .cse2 .cse6 .cse22) 131072))) (and (<= (+ .cse3 .cse10 (* 131072 .cse23)) (+ (* 131072 .cse16) 65534)) (<= .cse0 (+ (* 65536 .cse23) .cse18 32767 .cse19)))))) (= c_~last_1_WrapperStruct00_var_1_6~0 0) (let ((.cse24 (* .cse34 (- 512))) (.cse25 (* .cse33 2)) (.cse26 (* .cse33 (- 256))) (.cse27 (* 256 .cse32)) (.cse28 (* .cse31 (- 256))) (.cse30 (+ .cse2 .cse0 1))) (or (< (+ .cse3 (* 65536 (div (+ .cse24 32258 .cse25 (* 256 (div (+ 98303 .cse26 .cse27) 65536)) .cse28 .cse0 .cse29) 65536))) .cse30) (< (+ .cse3 (* 65536 (div (+ .cse24 32258 .cse25 (* 256 (div (+ 32767 .cse26 .cse27) 65536)) .cse28 .cse0 .cse29) 65536))) .cse30))) (= (select .cse35 (+ |c_~#WrapperStruct00~0.offset| 8)) 0) (<= (+ .cse32 .cse29) (+ (* 256 (div (+ 255 (* (- 1) .cse33)) 256)) (* .cse31 256) (* .cse34 512) 255))))))) is different from false