./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-93.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff 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_d1af5c19-02f5-40a6-a54c-8e1d3d11782d/bin/utaipan-verify-t7M7D8N6sZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1af5c19-02f5-40a6-a54c-8e1d3d11782d/bin/utaipan-verify-t7M7D8N6sZ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1af5c19-02f5-40a6-a54c-8e1d3d11782d/bin/utaipan-verify-t7M7D8N6sZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1af5c19-02f5-40a6-a54c-8e1d3d11782d/bin/utaipan-verify-t7M7D8N6sZ/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-93.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1af5c19-02f5-40a6-a54c-8e1d3d11782d/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1af5c19-02f5-40a6-a54c-8e1d3d11782d/bin/utaipan-verify-t7M7D8N6sZ --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 2d9182cedd229d548c201f82860145814c664e2f98d8085b9b53829346d05f25 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 05:06:37,763 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 05:06:37,877 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1af5c19-02f5-40a6-a54c-8e1d3d11782d/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-11-19 05:06:37,886 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 05:06:37,887 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 05:06:37,930 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 05:06:37,931 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 05:06:37,931 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 05:06:37,933 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 05:06:37,938 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 05:06:37,939 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-19 05:06:37,940 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-19 05:06:37,941 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-19 05:06:37,943 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-19 05:06:37,943 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-19 05:06:37,944 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-19 05:06:37,944 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-19 05:06:37,945 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-19 05:06:37,945 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-19 05:06:37,946 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-19 05:06:37,948 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-19 05:06:37,949 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-19 05:06:37,950 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 05:06:37,950 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 05:06:37,951 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 05:06:37,951 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 05:06:37,952 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 05:06:37,952 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 05:06:37,953 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 05:06:37,953 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 05:06:37,955 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 05:06:37,955 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 05:06:37,955 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 05:06:37,956 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 05:06:37,956 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 05:06:37,956 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 05:06:37,957 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 05:06:37,957 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 05:06:37,957 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 05:06:37,958 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 05:06:37,958 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-19 05:06:37,958 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 05:06:37,959 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 05:06:37,959 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-19 05:06:37,960 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 05:06:37,960 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_d1af5c19-02f5-40a6-a54c-8e1d3d11782d/bin/utaipan-verify-t7M7D8N6sZ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1af5c19-02f5-40a6-a54c-8e1d3d11782d/bin/utaipan-verify-t7M7D8N6sZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2d9182cedd229d548c201f82860145814c664e2f98d8085b9b53829346d05f25 [2023-11-19 05:06:38,246 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 05:06:38,269 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 05:06:38,271 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 05:06:38,273 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 05:06:38,273 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 05:06:38,275 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1af5c19-02f5-40a6-a54c-8e1d3d11782d/bin/utaipan-verify-t7M7D8N6sZ/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-93.i [2023-11-19 05:06:41,336 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 05:06:41,640 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 05:06:41,640 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1af5c19-02f5-40a6-a54c-8e1d3d11782d/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-93.i [2023-11-19 05:06:41,651 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1af5c19-02f5-40a6-a54c-8e1d3d11782d/bin/utaipan-verify-t7M7D8N6sZ/data/42a187a75/84b8f517dca848339bc9671a9eca35b2/FLAG07259d4dd [2023-11-19 05:06:41,670 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1af5c19-02f5-40a6-a54c-8e1d3d11782d/bin/utaipan-verify-t7M7D8N6sZ/data/42a187a75/84b8f517dca848339bc9671a9eca35b2 [2023-11-19 05:06:41,675 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 05:06:41,677 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 05:06:41,681 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 05:06:41,681 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 05:06:41,686 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 05:06:41,687 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:06:41" (1/1) ... [2023-11-19 05:06:41,688 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6c0b669d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:06:41, skipping insertion in model container [2023-11-19 05:06:41,688 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:06:41" (1/1) ... [2023-11-19 05:06:41,727 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 05:06:41,899 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_d1af5c19-02f5-40a6-a54c-8e1d3d11782d/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-93.i[913,926] [2023-11-19 05:06:41,947 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 05:06:41,959 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 05:06:41,972 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_d1af5c19-02f5-40a6-a54c-8e1d3d11782d/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-93.i[913,926] [2023-11-19 05:06:42,013 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 05:06:42,030 INFO L206 MainTranslator]: Completed translation [2023-11-19 05:06:42,031 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:06:42 WrapperNode [2023-11-19 05:06:42,031 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 05:06:42,032 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 05:06:42,033 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 05:06:42,033 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 05:06:42,041 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:06:42" (1/1) ... [2023-11-19 05:06:42,050 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:06:42" (1/1) ... [2023-11-19 05:06:42,078 INFO L138 Inliner]: procedures = 26, calls = 27, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 101 [2023-11-19 05:06:42,078 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 05:06:42,079 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 05:06:42,079 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 05:06:42,080 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 05:06:42,089 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:06:42" (1/1) ... [2023-11-19 05:06:42,090 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:06:42" (1/1) ... [2023-11-19 05:06:42,093 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:06:42" (1/1) ... [2023-11-19 05:06:42,093 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:06:42" (1/1) ... [2023-11-19 05:06:42,100 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:06:42" (1/1) ... [2023-11-19 05:06:42,104 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:06:42" (1/1) ... [2023-11-19 05:06:42,106 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:06:42" (1/1) ... [2023-11-19 05:06:42,107 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:06:42" (1/1) ... [2023-11-19 05:06:42,110 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 05:06:42,111 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 05:06:42,111 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 05:06:42,111 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 05:06:42,116 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:06:42" (1/1) ... [2023-11-19 05:06:42,122 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 05:06:42,138 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1af5c19-02f5-40a6-a54c-8e1d3d11782d/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 05:06:42,162 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1af5c19-02f5-40a6-a54c-8e1d3d11782d/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 05:06:42,192 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1af5c19-02f5-40a6-a54c-8e1d3d11782d/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 05:06:42,207 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 05:06:42,207 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 05:06:42,207 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 05:06:42,208 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 05:06:42,208 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 05:06:42,208 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 05:06:42,332 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 05:06:42,335 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 05:06:42,651 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 05:06:42,830 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 05:06:42,830 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 05:06:42,835 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:06:42 BoogieIcfgContainer [2023-11-19 05:06:42,838 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 05:06:42,841 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 05:06:42,841 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 05:06:42,843 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 05:06:42,844 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 05:06:41" (1/3) ... [2023-11-19 05:06:42,845 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@77f5f653 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:06:42, skipping insertion in model container [2023-11-19 05:06:42,845 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:06:42" (2/3) ... [2023-11-19 05:06:42,845 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@77f5f653 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:06:42, skipping insertion in model container [2023-11-19 05:06:42,845 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:06:42" (3/3) ... [2023-11-19 05:06:42,847 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_normal_file-93.i [2023-11-19 05:06:42,868 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 05:06:42,868 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-19 05:06:42,923 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 05:06:42,930 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@695afad4, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-19 05:06:42,930 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-19 05:06:42,935 INFO L276 IsEmpty]: Start isEmpty. Operand has 32 states, 15 states have (on average 1.2) internal successors, (18), 16 states have internal predecessors, (18), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2023-11-19 05:06:42,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-11-19 05:06:42,945 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:06:42,946 INFO L195 NwaCegarLoop]: trace histogram [14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 05:06:42,946 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 05:06:42,952 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:06:42,952 INFO L85 PathProgramCache]: Analyzing trace with hash 1682780790, now seen corresponding path program 1 times [2023-11-19 05:06:42,963 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 05:06:42,963 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [551521280] [2023-11-19 05:06:42,964 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:06:42,964 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 05:06:43,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 05:06:43,283 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 05:06:43,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 05:06:43,442 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-11-19 05:06:43,444 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-19 05:06:43,445 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-19 05:06:43,447 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-19 05:06:43,451 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-19 05:06:43,455 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-19 05:06:43,510 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 05:06:43 BoogieIcfgContainer [2023-11-19 05:06:43,510 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-19 05:06:43,511 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 05:06:43,511 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 05:06:43,511 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 05:06:43,512 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:06:42" (3/4) ... [2023-11-19 05:06:43,514 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-19 05:06:43,515 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 05:06:43,517 INFO L158 Benchmark]: Toolchain (without parser) took 1838.89ms. Allocated memory was 130.0MB in the beginning and 165.7MB in the end (delta: 35.7MB). Free memory was 84.0MB in the beginning and 95.2MB in the end (delta: -11.2MB). Peak memory consumption was 24.8MB. Max. memory is 16.1GB. [2023-11-19 05:06:43,517 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 100.7MB. Free memory is still 53.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 05:06:43,518 INFO L158 Benchmark]: CACSL2BoogieTranslator took 350.60ms. Allocated memory is still 130.0MB. Free memory was 83.7MB in the beginning and 71.4MB in the end (delta: 12.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-19 05:06:43,519 INFO L158 Benchmark]: Boogie Procedure Inliner took 46.27ms. Allocated memory is still 130.0MB. Free memory was 71.4MB in the beginning and 69.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 05:06:43,519 INFO L158 Benchmark]: Boogie Preprocessor took 31.15ms. Allocated memory is still 130.0MB. Free memory was 69.4MB in the beginning and 68.0MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 05:06:43,520 INFO L158 Benchmark]: RCFGBuilder took 727.19ms. Allocated memory was 130.0MB in the beginning and 165.7MB in the end (delta: 35.7MB). Free memory was 68.0MB in the beginning and 122.5MB in the end (delta: -54.5MB). Peak memory consumption was 12.3MB. Max. memory is 16.1GB. [2023-11-19 05:06:43,521 INFO L158 Benchmark]: TraceAbstraction took 669.70ms. Allocated memory is still 165.7MB. Free memory was 122.5MB in the beginning and 95.2MB in the end (delta: 27.3MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2023-11-19 05:06:43,521 INFO L158 Benchmark]: Witness Printer took 4.48ms. Allocated memory is still 165.7MB. Free memory is still 95.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 05:06:43,525 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 100.7MB. Free memory is still 53.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 350.60ms. Allocated memory is still 130.0MB. Free memory was 83.7MB in the beginning and 71.4MB in the end (delta: 12.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 46.27ms. Allocated memory is still 130.0MB. Free memory was 71.4MB in the beginning and 69.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 31.15ms. Allocated memory is still 130.0MB. Free memory was 69.4MB in the beginning and 68.0MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 727.19ms. Allocated memory was 130.0MB in the beginning and 165.7MB in the end (delta: 35.7MB). Free memory was 68.0MB in the beginning and 122.5MB in the end (delta: -54.5MB). Peak memory consumption was 12.3MB. Max. memory is 16.1GB. * TraceAbstraction took 669.70ms. Allocated memory is still 165.7MB. Free memory was 122.5MB in the beginning and 95.2MB in the end (delta: 27.3MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * Witness Printer took 4.48ms. Allocated memory is still 165.7MB. Free memory is still 95.2MB. 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 38, overapproximation of someBinaryFLOATComparisonOperation at line 89, overapproximation of someUnaryDOUBLEoperation at line 23. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] float var_1_1 = 255.3; [L23] double var_1_3 = -0.9; [L24] double var_1_5 = 128.5; [L25] double var_1_6 = 9.186; [L26] double var_1_7 = 31.75; [L27] double var_1_8 = 9.6; [L28] float var_1_9 = 499.2; [L29] float var_1_10 = 1.5; [L30] unsigned char var_1_11 = 0; [L31] unsigned char var_1_12 = 1; [L32] unsigned char var_1_13 = 0; [L33] unsigned char var_1_14 = 1; [L34] float last_1_var_1_10 = 1.5; [L93] isInitial = 1 [L94] FCALL initially() [L95] COND TRUE 1 [L96] CALL updateLastVariables() [L86] last_1_var_1_10 = var_1_10 [L96] RET updateLastVariables() [L97] CALL updateVariables() [L61] var_1_3 = __VERIFIER_nondet_double() [L62] CALL assume_abort_if_not((var_1_3 >= -922337.2036854776000e+13F && 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_10=3/2, var_1_10=3/2, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=2553/10, var_1_5=257/2, var_1_6=4593/500, var_1_7=127/4, var_1_8=48/5, var_1_9=2496/5] [L20] COND FALSE !(!cond) [L62] RET assume_abort_if_not((var_1_3 >= -922337.2036854776000e+13F && 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_10=3/2, var_1_10=3/2, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=2553/10, var_1_5=257/2, var_1_6=4593/500, var_1_7=127/4, var_1_8=48/5, var_1_9=2496/5] [L63] CALL assume_abort_if_not(var_1_3 != 0.0F) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=3/2, var_1_10=3/2, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=2553/10, var_1_5=257/2, var_1_6=4593/500, var_1_7=127/4, var_1_8=48/5, var_1_9=2496/5] [L20] COND FALSE !(!cond) [L63] RET assume_abort_if_not(var_1_3 != 0.0F) VAL [isInitial=1, last_1_var_1_10=3/2, var_1_10=3/2, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=2553/10, var_1_5=257/2, var_1_6=4593/500, var_1_7=127/4, var_1_8=48/5, var_1_9=2496/5] [L64] var_1_5 = __VERIFIER_nondet_double() [L65] CALL assume_abort_if_not((var_1_5 >= -922337.2036854776000e+13F && 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_10=3/2, var_1_10=3/2, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=2553/10, var_1_5=10000000000007, var_1_6=4593/500, var_1_7=127/4, var_1_8=48/5, var_1_9=2496/5] [L20] COND FALSE !(!cond) [L65] RET assume_abort_if_not((var_1_5 >= -922337.2036854776000e+13F && 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_10=3/2, var_1_10=3/2, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=2553/10, var_1_5=10000000000007, var_1_6=4593/500, var_1_7=127/4, var_1_8=48/5, var_1_9=2496/5] [L66] CALL assume_abort_if_not(var_1_5 != 0.0F) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=3/2, var_1_10=3/2, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=2553/10, var_1_5=10000000000007, var_1_6=4593/500, var_1_7=127/4, var_1_8=48/5, var_1_9=2496/5] [L20] COND FALSE !(!cond) [L66] RET assume_abort_if_not(var_1_5 != 0.0F) VAL [isInitial=1, last_1_var_1_10=3/2, var_1_10=3/2, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=2553/10, var_1_5=10000000000007, var_1_6=4593/500, var_1_7=127/4, var_1_8=48/5, var_1_9=2496/5] [L67] var_1_6 = __VERIFIER_nondet_double() [L68] 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_10=3/2, var_1_10=3/2, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=2553/10, var_1_5=10000000000007, var_1_6=10000000000006, var_1_7=127/4, var_1_8=48/5, var_1_9=2496/5] [L20] COND FALSE !(!cond) [L68] 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_10=3/2, var_1_10=3/2, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=2553/10, var_1_5=10000000000007, var_1_6=10000000000006, var_1_7=127/4, var_1_8=48/5, var_1_9=2496/5] [L69] var_1_7 = __VERIFIER_nondet_double() [L70] CALL assume_abort_if_not((var_1_7 >= 0.0F && var_1_7 <= -1.0e-20F) || (var_1_7 <= 9223372.036854776000e+12F && var_1_7 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=3/2, var_1_10=3/2, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=2553/10, var_1_5=10000000000007, var_1_6=10000000000006, var_1_7=10000000000008, var_1_8=48/5, var_1_9=2496/5] [L20] COND FALSE !(!cond) [L70] RET assume_abort_if_not((var_1_7 >= 0.0F && var_1_7 <= -1.0e-20F) || (var_1_7 <= 9223372.036854776000e+12F && var_1_7 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_10=3/2, var_1_10=3/2, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=2553/10, var_1_5=10000000000007, var_1_6=10000000000006, var_1_7=10000000000008, var_1_8=48/5, var_1_9=2496/5] [L71] var_1_8 = __VERIFIER_nondet_double() [L72] CALL assume_abort_if_not((var_1_8 >= 0.0F && var_1_8 <= -1.0e-20F) || (var_1_8 <= 9223372.036854776000e+12F && var_1_8 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=3/2, var_1_10=3/2, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=2553/10, var_1_5=10000000000007, var_1_6=10000000000006, var_1_7=10000000000008, var_1_8=10000000000005, var_1_9=2496/5] [L20] COND FALSE !(!cond) [L72] RET assume_abort_if_not((var_1_8 >= 0.0F && var_1_8 <= -1.0e-20F) || (var_1_8 <= 9223372.036854776000e+12F && var_1_8 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_10=3/2, var_1_10=3/2, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=2553/10, var_1_5=10000000000007, var_1_6=10000000000006, var_1_7=10000000000008, var_1_8=10000000000005, var_1_9=2496/5] [L73] var_1_9 = __VERIFIER_nondet_float() [L74] CALL assume_abort_if_not((var_1_9 >= -922337.2036854765600e+13F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 9223372.036854765600e+12F && var_1_9 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=3/2, var_1_10=3/2, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=2553/10, var_1_5=10000000000007, var_1_6=10000000000006, var_1_7=10000000000008, var_1_8=10000000000005, var_1_9=50000000000002/5] [L20] COND FALSE !(!cond) [L74] RET assume_abort_if_not((var_1_9 >= -922337.2036854765600e+13F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 9223372.036854765600e+12F && var_1_9 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_10=3/2, var_1_10=3/2, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=2553/10, var_1_5=10000000000007, var_1_6=10000000000006, var_1_7=10000000000008, var_1_8=10000000000005, var_1_9=50000000000002/5] [L75] var_1_12 = __VERIFIER_nondet_uchar() [L76] CALL assume_abort_if_not(var_1_12 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=3/2, var_1_10=3/2, var_1_11=0, var_1_12=0, var_1_13=0, var_1_14=1, var_1_1=2553/10, var_1_5=10000000000007, var_1_6=10000000000006, var_1_7=10000000000008, var_1_8=10000000000005, var_1_9=50000000000002/5] [L20] COND FALSE !(!cond) [L76] RET assume_abort_if_not(var_1_12 >= 0) VAL [isInitial=1, last_1_var_1_10=3/2, var_1_10=3/2, var_1_11=0, var_1_12=0, var_1_13=0, var_1_14=1, var_1_1=2553/10, var_1_5=10000000000007, var_1_6=10000000000006, var_1_7=10000000000008, var_1_8=10000000000005, var_1_9=50000000000002/5] [L77] CALL assume_abort_if_not(var_1_12 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=3/2, var_1_10=3/2, var_1_11=0, var_1_12=0, var_1_13=0, var_1_14=1, var_1_1=2553/10, var_1_5=10000000000007, var_1_6=10000000000006, var_1_7=10000000000008, var_1_8=10000000000005, var_1_9=50000000000002/5] [L20] COND FALSE !(!cond) [L77] RET assume_abort_if_not(var_1_12 <= 1) VAL [isInitial=1, last_1_var_1_10=3/2, var_1_10=3/2, var_1_11=0, var_1_12=0, var_1_13=0, var_1_14=1, var_1_1=2553/10, var_1_5=10000000000007, var_1_6=10000000000006, var_1_7=10000000000008, var_1_8=10000000000005, var_1_9=50000000000002/5] [L78] var_1_13 = __VERIFIER_nondet_uchar() [L79] CALL assume_abort_if_not(var_1_13 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=3/2, var_1_10=3/2, var_1_11=0, var_1_12=0, var_1_13=0, var_1_14=1, var_1_1=2553/10, var_1_5=10000000000007, var_1_6=10000000000006, var_1_7=10000000000008, var_1_8=10000000000005, var_1_9=50000000000002/5] [L20] COND FALSE !(!cond) [L79] RET assume_abort_if_not(var_1_13 >= 0) VAL [isInitial=1, last_1_var_1_10=3/2, var_1_10=3/2, var_1_11=0, var_1_12=0, var_1_13=0, var_1_14=1, var_1_1=2553/10, var_1_5=10000000000007, var_1_6=10000000000006, var_1_7=10000000000008, var_1_8=10000000000005, var_1_9=50000000000002/5] [L80] CALL assume_abort_if_not(var_1_13 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=3/2, var_1_10=3/2, var_1_11=0, var_1_12=0, var_1_13=0, var_1_14=1, var_1_1=2553/10, var_1_5=10000000000007, var_1_6=10000000000006, var_1_7=10000000000008, var_1_8=10000000000005, var_1_9=50000000000002/5] [L20] COND FALSE !(!cond) [L80] RET assume_abort_if_not(var_1_13 <= 0) VAL [isInitial=1, last_1_var_1_10=3/2, var_1_10=3/2, var_1_11=0, var_1_12=0, var_1_13=0, var_1_14=1, var_1_1=2553/10, var_1_5=10000000000007, var_1_6=10000000000006, var_1_7=10000000000008, var_1_8=10000000000005, var_1_9=50000000000002/5] [L81] var_1_14 = __VERIFIER_nondet_uchar() [L82] CALL assume_abort_if_not(var_1_14 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=3/2, var_1_10=3/2, var_1_11=0, var_1_12=0, var_1_13=0, var_1_14=1, var_1_1=2553/10, var_1_5=10000000000007, var_1_6=10000000000006, var_1_7=10000000000008, var_1_8=10000000000005, var_1_9=50000000000002/5] [L20] COND FALSE !(!cond) [L82] RET assume_abort_if_not(var_1_14 >= 1) VAL [isInitial=1, last_1_var_1_10=3/2, var_1_10=3/2, var_1_11=0, var_1_12=0, var_1_13=0, var_1_14=1, var_1_1=2553/10, var_1_5=10000000000007, var_1_6=10000000000006, var_1_7=10000000000008, var_1_8=10000000000005, var_1_9=50000000000002/5] [L83] CALL assume_abort_if_not(var_1_14 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=3/2, var_1_10=3/2, var_1_11=0, var_1_12=0, var_1_13=0, var_1_14=1, var_1_1=2553/10, var_1_5=10000000000007, var_1_6=10000000000006, var_1_7=10000000000008, var_1_8=10000000000005, var_1_9=50000000000002/5] [L20] COND FALSE !(!cond) [L83] RET assume_abort_if_not(var_1_14 <= 1) VAL [isInitial=1, last_1_var_1_10=3/2, var_1_10=3/2, var_1_11=0, var_1_12=0, var_1_13=0, var_1_14=1, var_1_1=2553/10, var_1_5=10000000000007, var_1_6=10000000000006, var_1_7=10000000000008, var_1_8=10000000000005, var_1_9=50000000000002/5] [L97] RET updateVariables() [L98] CALL step() [L38] COND TRUE ((- last_1_var_1_10) / var_1_3) != (last_1_var_1_10 / var_1_5) [L39] COND FALSE !(last_1_var_1_10 != (((((var_1_6) > (var_1_7)) ? (var_1_6) : (var_1_7))) - var_1_8)) [L42] var_1_1 = var_1_9 [L47] COND TRUE var_1_1 > (((((var_1_9 * 128.4)) > ((var_1_5 * var_1_1))) ? ((var_1_9 * 128.4)) : ((var_1_5 * var_1_1)))) [L48] var_1_10 = 1.00000000000004E13f [L52] COND TRUE ! (var_1_3 <= var_1_10) [L53] var_1_11 = (var_1_12 && var_1_13) [L98] RET step() [L99] CALL, EXPR property() [L89-L90] return (((((- last_1_var_1_10) / var_1_3) != (last_1_var_1_10 / var_1_5)) ? ((last_1_var_1_10 != (((((var_1_6) > (var_1_7)) ? (var_1_6) : (var_1_7))) - var_1_8)) ? (var_1_1 == ((float) var_1_9)) : (var_1_1 == ((float) var_1_9))) : (var_1_1 == ((float) 64.51f))) && ((var_1_1 > (((((var_1_9 * 128.4)) > ((var_1_5 * var_1_1))) ? ((var_1_9 * 128.4)) : ((var_1_5 * var_1_1))))) ? (var_1_10 == ((float) 1.00000000000004E13f)) : (var_1_10 == ((float) var_1_9)))) && ((! (var_1_3 <= var_1_10)) ? (var_1_11 == ((unsigned char) (var_1_12 && var_1_13))) : (((var_1_7 / var_1_3) < ((((((((var_1_8) > (var_1_6)) ? (var_1_8) : (var_1_6)))) < (var_1_5)) ? (((((var_1_8) > (var_1_6)) ? (var_1_8) : (var_1_6)))) : (var_1_5)))) ? (var_1_11 == ((unsigned char) var_1_14)) : 1)) ; [L99] RET, EXPR property() [L99] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_10=3/2, var_1_10=50000000000002/5, var_1_11=0, var_1_12=0, var_1_13=0, var_1_14=1, var_1_1=50000000000002/5, var_1_5=10000000000007, var_1_6=10000000000006, var_1_7=10000000000008, var_1_8=10000000000005, var_1_9=50000000000002/5] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_10=3/2, var_1_10=50000000000002/5, var_1_11=0, var_1_12=0, var_1_13=0, var_1_14=1, var_1_1=50000000000002/5, var_1_5=10000000000007, var_1_6=10000000000006, var_1_7=10000000000008, var_1_8=10000000000005, var_1_9=50000000000002/5] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 32 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, OverallIterations: 1, TraceHistogramMax: 14, 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=32occurred 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, 55 NumberOfCodeBlocks, 55 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 [2023-11-19 05:06:43,564 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1af5c19-02f5-40a6-a54c-8e1d3d11782d/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1af5c19-02f5-40a6-a54c-8e1d3d11782d/bin/utaipan-verify-t7M7D8N6sZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1af5c19-02f5-40a6-a54c-8e1d3d11782d/bin/utaipan-verify-t7M7D8N6sZ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1af5c19-02f5-40a6-a54c-8e1d3d11782d/bin/utaipan-verify-t7M7D8N6sZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1af5c19-02f5-40a6-a54c-8e1d3d11782d/bin/utaipan-verify-t7M7D8N6sZ/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-93.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1af5c19-02f5-40a6-a54c-8e1d3d11782d/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1af5c19-02f5-40a6-a54c-8e1d3d11782d/bin/utaipan-verify-t7M7D8N6sZ --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 2d9182cedd229d548c201f82860145814c664e2f98d8085b9b53829346d05f25 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 05:06:46,331 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 05:06:46,477 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1af5c19-02f5-40a6-a54c-8e1d3d11782d/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2023-11-19 05:06:46,485 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 05:06:46,486 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 05:06:46,531 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 05:06:46,532 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 05:06:46,533 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 05:06:46,534 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 05:06:46,539 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 05:06:46,539 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-19 05:06:46,540 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-19 05:06:46,540 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-19 05:06:46,542 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-19 05:06:46,543 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-19 05:06:46,543 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-19 05:06:46,545 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 05:06:46,545 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 05:06:46,546 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 05:06:46,547 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 05:06:46,548 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 05:06:46,548 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 05:06:46,549 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 05:06:46,549 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 05:06:46,550 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 05:06:46,550 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 05:06:46,551 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 05:06:46,551 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 05:06:46,552 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 05:06:46,552 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 05:06:46,554 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 05:06:46,554 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 05:06:46,554 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 05:06:46,555 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 05:06:46,555 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 05:06:46,556 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 05:06:46,556 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 05:06:46,556 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-19 05:06:46,557 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 05:06:46,558 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 05:06:46,558 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-19 05:06:46,559 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 05:06:46,559 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_d1af5c19-02f5-40a6-a54c-8e1d3d11782d/bin/utaipan-verify-t7M7D8N6sZ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1af5c19-02f5-40a6-a54c-8e1d3d11782d/bin/utaipan-verify-t7M7D8N6sZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2d9182cedd229d548c201f82860145814c664e2f98d8085b9b53829346d05f25 [2023-11-19 05:06:46,978 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 05:06:47,004 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 05:06:47,007 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 05:06:47,008 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 05:06:47,010 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 05:06:47,012 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1af5c19-02f5-40a6-a54c-8e1d3d11782d/bin/utaipan-verify-t7M7D8N6sZ/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-93.i [2023-11-19 05:06:50,176 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 05:06:50,491 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 05:06:50,492 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1af5c19-02f5-40a6-a54c-8e1d3d11782d/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-93.i [2023-11-19 05:06:50,500 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1af5c19-02f5-40a6-a54c-8e1d3d11782d/bin/utaipan-verify-t7M7D8N6sZ/data/99f1a2bfe/fd22ddef8cb8462ebf327a58754dbec4/FLAG7f7d14eba [2023-11-19 05:06:50,513 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1af5c19-02f5-40a6-a54c-8e1d3d11782d/bin/utaipan-verify-t7M7D8N6sZ/data/99f1a2bfe/fd22ddef8cb8462ebf327a58754dbec4 [2023-11-19 05:06:50,515 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 05:06:50,516 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 05:06:50,518 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 05:06:50,518 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 05:06:50,526 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 05:06:50,526 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:06:50" (1/1) ... [2023-11-19 05:06:50,528 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7afc21ca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:06:50, skipping insertion in model container [2023-11-19 05:06:50,528 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:06:50" (1/1) ... [2023-11-19 05:06:50,555 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 05:06:50,709 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_d1af5c19-02f5-40a6-a54c-8e1d3d11782d/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-93.i[913,926] [2023-11-19 05:06:50,749 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 05:06:50,765 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 05:06:50,779 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_d1af5c19-02f5-40a6-a54c-8e1d3d11782d/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-93.i[913,926] [2023-11-19 05:06:50,805 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 05:06:50,835 INFO L206 MainTranslator]: Completed translation [2023-11-19 05:06:50,835 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:06:50 WrapperNode [2023-11-19 05:06:50,835 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 05:06:50,837 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 05:06:50,837 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 05:06:50,837 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 05:06:50,855 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:06:50" (1/1) ... [2023-11-19 05:06:50,882 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:06:50" (1/1) ... [2023-11-19 05:06:50,913 INFO L138 Inliner]: procedures = 27, calls = 27, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 101 [2023-11-19 05:06:50,913 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 05:06:50,914 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 05:06:50,914 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 05:06:50,915 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 05:06:50,929 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:06:50" (1/1) ... [2023-11-19 05:06:50,930 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:06:50" (1/1) ... [2023-11-19 05:06:50,934 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:06:50" (1/1) ... [2023-11-19 05:06:50,935 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:06:50" (1/1) ... [2023-11-19 05:06:50,946 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:06:50" (1/1) ... [2023-11-19 05:06:50,963 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:06:50" (1/1) ... [2023-11-19 05:06:50,966 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:06:50" (1/1) ... [2023-11-19 05:06:50,968 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:06:50" (1/1) ... [2023-11-19 05:06:50,972 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 05:06:50,973 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 05:06:50,974 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 05:06:50,974 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 05:06:50,975 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:06:50" (1/1) ... [2023-11-19 05:06:50,984 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 05:06:51,006 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1af5c19-02f5-40a6-a54c-8e1d3d11782d/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 05:06:51,021 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1af5c19-02f5-40a6-a54c-8e1d3d11782d/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 05:06:51,028 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1af5c19-02f5-40a6-a54c-8e1d3d11782d/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 05:06:51,061 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 05:06:51,062 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 05:06:51,062 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 05:06:51,062 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 05:06:51,063 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 05:06:51,063 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 05:06:51,164 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 05:06:51,167 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 05:07:07,548 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 05:07:07,563 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 05:07:07,566 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 05:07:07,569 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:07:07 BoogieIcfgContainer [2023-11-19 05:07:07,569 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 05:07:07,572 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 05:07:07,572 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 05:07:07,576 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 05:07:07,576 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 05:06:50" (1/3) ... [2023-11-19 05:07:07,577 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6218a469 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:07:07, skipping insertion in model container [2023-11-19 05:07:07,577 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:06:50" (2/3) ... [2023-11-19 05:07:07,578 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6218a469 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:07:07, skipping insertion in model container [2023-11-19 05:07:07,578 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:07:07" (3/3) ... [2023-11-19 05:07:07,580 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_normal_file-93.i [2023-11-19 05:07:07,600 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 05:07:07,601 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-19 05:07:07,657 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 05:07:07,662 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;@3e2490ca, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-19 05:07:07,663 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-19 05:07:07,667 INFO L276 IsEmpty]: Start isEmpty. Operand has 47 states, 30 states have (on average 1.3333333333333333) internal successors, (40), 31 states have internal predecessors, (40), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2023-11-19 05:07:07,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2023-11-19 05:07:07,677 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:07:07,677 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 05:07:07,678 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 05:07:07,683 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:07:07,684 INFO L85 PathProgramCache]: Analyzing trace with hash 1232245878, now seen corresponding path program 1 times [2023-11-19 05:07:07,698 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-19 05:07:07,698 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1669119990] [2023-11-19 05:07:07,699 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:07:07,699 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 [2023-11-19 05:07:07,700 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1af5c19-02f5-40a6-a54c-8e1d3d11782d/bin/utaipan-verify-t7M7D8N6sZ/mathsat [2023-11-19 05:07:07,733 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1af5c19-02f5-40a6-a54c-8e1d3d11782d/bin/utaipan-verify-t7M7D8N6sZ/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) [2023-11-19 05:07:07,735 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1af5c19-02f5-40a6-a54c-8e1d3d11782d/bin/utaipan-verify-t7M7D8N6sZ/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 [2023-11-19 05:07:10,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:07:10,802 INFO L262 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 05:07:10,814 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 05:07:10,882 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 170 proven. 0 refuted. 0 times theorem prover too weak. 194 trivial. 0 not checked. [2023-11-19 05:07:10,882 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 05:07:10,883 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-19 05:07:10,883 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1669119990] [2023-11-19 05:07:10,884 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1669119990] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 05:07:10,885 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 05:07:10,885 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 05:07:10,886 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1419888752] [2023-11-19 05:07:10,887 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 05:07:10,891 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-19 05:07:10,892 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-19 05:07:10,921 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-19 05:07:10,922 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-19 05:07:10,925 INFO L87 Difference]: Start difference. First operand has 47 states, 30 states have (on average 1.3333333333333333) internal successors, (40), 31 states have internal predecessors, (40), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) Second operand has 2 states, 2 states have (on average 14.0) internal successors, (28), 2 states have internal predecessors, (28), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2023-11-19 05:07:10,957 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 05:07:10,957 INFO L93 Difference]: Finished difference Result 87 states and 144 transitions. [2023-11-19 05:07:10,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-19 05:07:10,960 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 14.0) internal successors, (28), 2 states have internal predecessors, (28), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 91 [2023-11-19 05:07:10,960 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 05:07:10,968 INFO L225 Difference]: With dead ends: 87 [2023-11-19 05:07:10,968 INFO L226 Difference]: Without dead ends: 43 [2023-11-19 05:07:10,973 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-19 05:07:10,977 INFO L413 NwaCegarLoop]: 61 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 61 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-19 05:07:10,979 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 61 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 05:07:11,000 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2023-11-19 05:07:11,025 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 43. [2023-11-19 05:07:11,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43 states, 27 states have (on average 1.2222222222222223) internal successors, (33), 27 states have internal predecessors, (33), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2023-11-19 05:07:11,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 61 transitions. [2023-11-19 05:07:11,034 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 61 transitions. Word has length 91 [2023-11-19 05:07:11,035 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 05:07:11,035 INFO L495 AbstractCegarLoop]: Abstraction has 43 states and 61 transitions. [2023-11-19 05:07:11,035 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 14.0) internal successors, (28), 2 states have internal predecessors, (28), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2023-11-19 05:07:11,036 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 61 transitions. [2023-11-19 05:07:11,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2023-11-19 05:07:11,041 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:07:11,041 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 05:07:11,095 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1af5c19-02f5-40a6-a54c-8e1d3d11782d/bin/utaipan-verify-t7M7D8N6sZ/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 [2023-11-19 05:07:11,260 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1af5c19-02f5-40a6-a54c-8e1d3d11782d/bin/utaipan-verify-t7M7D8N6sZ/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 [2023-11-19 05:07:11,261 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 05:07:11,261 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:07:11,262 INFO L85 PathProgramCache]: Analyzing trace with hash 1841031598, now seen corresponding path program 1 times [2023-11-19 05:07:11,262 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-19 05:07:11,263 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1602444385] [2023-11-19 05:07:11,263 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:07:11,263 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 [2023-11-19 05:07:11,264 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1af5c19-02f5-40a6-a54c-8e1d3d11782d/bin/utaipan-verify-t7M7D8N6sZ/mathsat [2023-11-19 05:07:11,265 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1af5c19-02f5-40a6-a54c-8e1d3d11782d/bin/utaipan-verify-t7M7D8N6sZ/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) [2023-11-19 05:07:11,268 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1af5c19-02f5-40a6-a54c-8e1d3d11782d/bin/utaipan-verify-t7M7D8N6sZ/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 [2023-11-19 05:07:14,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:07:14,364 INFO L262 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 12 conjunts are in the unsatisfiable core [2023-11-19 05:07:14,374 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 05:07:33,363 WARN L293 SmtUtils]: Spent 5.25s 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) [2023-11-19 05:07:35,507 WARN L854 $PredicateComparison]: unable to prove that (and (fp.eq (fp.div c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode (fp.neg c_~last_1_var_1_10~0)) c_~var_1_3~0) (fp.div c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode c_~last_1_var_1_10~0) c_~var_1_5~0)) (= c_~var_1_1~0 ((_ to_fp 8 24) c_currentRoundingMode (/ 6451.0 100.0))) (= c_currentRoundingMode roundNearestTiesToEven)) is different from false [2023-11-19 05:07:37,815 WARN L876 $PredicateComparison]: unable to prove that (and (fp.eq (fp.div c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode (fp.neg c_~last_1_var_1_10~0)) c_~var_1_3~0) (fp.div c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode c_~last_1_var_1_10~0) c_~var_1_5~0)) (= c_~var_1_1~0 ((_ to_fp 8 24) c_currentRoundingMode (/ 6451.0 100.0))) (= c_currentRoundingMode roundNearestTiesToEven)) is different from true [2023-11-19 05:07:47,276 WARN L293 SmtUtils]: Spent 5.01s 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)