./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-43.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4fc63b2a 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_04abe7b5-e82e-4a89-891b-4cf5e1263a56/bin/utaipan-verify-DbMuA5NWw2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04abe7b5-e82e-4a89-891b-4cf5e1263a56/bin/utaipan-verify-DbMuA5NWw2/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04abe7b5-e82e-4a89-891b-4cf5e1263a56/bin/utaipan-verify-DbMuA5NWw2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04abe7b5-e82e-4a89-891b-4cf5e1263a56/bin/utaipan-verify-DbMuA5NWw2/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-43.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04abe7b5-e82e-4a89-891b-4cf5e1263a56/bin/utaipan-verify-DbMuA5NWw2/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04abe7b5-e82e-4a89-891b-4cf5e1263a56/bin/utaipan-verify-DbMuA5NWw2 --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 3866fcabc53f8729ce5445d739af818fee4df02a7fd7be02b76364ea8cb9d346 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-11-02 12:26:12,484 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-02 12:26:12,569 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04abe7b5-e82e-4a89-891b-4cf5e1263a56/bin/utaipan-verify-DbMuA5NWw2/config/svcomp-Reach-32bit-Taipan_Default.epf [2024-11-02 12:26:12,580 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-02 12:26:12,581 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-02 12:26:12,614 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-02 12:26:12,615 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-02 12:26:12,616 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-02 12:26:12,616 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-02 12:26:12,617 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-02 12:26:12,617 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-02 12:26:12,618 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-02 12:26:12,618 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-02 12:26:12,618 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-02 12:26:12,619 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-02 12:26:12,619 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-02 12:26:12,620 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-02 12:26:12,620 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-02 12:26:12,621 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-02 12:26:12,621 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-02 12:26:12,621 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-02 12:26:12,622 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-02 12:26:12,623 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-02 12:26:12,623 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-02 12:26:12,623 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-02 12:26:12,624 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-02 12:26:12,628 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-02 12:26:12,628 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-02 12:26:12,629 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-02 12:26:12,629 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-02 12:26:12,629 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-02 12:26:12,629 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-02 12:26:12,630 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-02 12:26:12,630 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-02 12:26:12,631 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-02 12:26:12,632 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-02 12:26:12,632 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-02 12:26:12,633 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-02 12:26:12,633 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-02 12:26:12,634 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-02 12:26:12,635 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-02 12:26:12,635 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-02 12:26:12,635 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-02 12:26:12,636 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-02 12:26:12,636 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-02 12:26:12,636 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-02 12:26:12,637 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-02 12:26:12,637 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_04abe7b5-e82e-4a89-891b-4cf5e1263a56/bin/utaipan-verify-DbMuA5NWw2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04abe7b5-e82e-4a89-891b-4cf5e1263a56/bin/utaipan-verify-DbMuA5NWw2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3866fcabc53f8729ce5445d739af818fee4df02a7fd7be02b76364ea8cb9d346 [2024-11-02 12:26:12,900 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-02 12:26:12,924 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-02 12:26:12,928 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-02 12:26:12,930 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-02 12:26:12,931 INFO L274 PluginConnector]: CDTParser initialized [2024-11-02 12:26:12,932 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04abe7b5-e82e-4a89-891b-4cf5e1263a56/bin/utaipan-verify-DbMuA5NWw2/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-43.i Unable to find full path for "g++" [2024-11-02 12:26:15,045 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-02 12:26:15,252 INFO L384 CDTParser]: Found 1 translation units. [2024-11-02 12:26:15,252 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04abe7b5-e82e-4a89-891b-4cf5e1263a56/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-43.i [2024-11-02 12:26:15,266 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04abe7b5-e82e-4a89-891b-4cf5e1263a56/bin/utaipan-verify-DbMuA5NWw2/data/a68fc2f5d/37048401c15b4f3f8c7c9259248ebcb0/FLAGe48e23c83 [2024-11-02 12:26:15,281 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04abe7b5-e82e-4a89-891b-4cf5e1263a56/bin/utaipan-verify-DbMuA5NWw2/data/a68fc2f5d/37048401c15b4f3f8c7c9259248ebcb0 [2024-11-02 12:26:15,283 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-02 12:26:15,284 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-02 12:26:15,285 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-02 12:26:15,285 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-02 12:26:15,291 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-02 12:26:15,292 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 12:26:15" (1/1) ... [2024-11-02 12:26:15,293 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@503a9c3e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:26:15, skipping insertion in model container [2024-11-02 12:26:15,293 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 12:26:15" (1/1) ... [2024-11-02 12:26:15,324 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-02 12:26:15,501 WARN L251 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_04abe7b5-e82e-4a89-891b-4cf5e1263a56/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-43.i[916,929] [2024-11-02 12:26:15,572 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-02 12:26:15,591 INFO L200 MainTranslator]: Completed pre-run [2024-11-02 12:26:15,606 WARN L251 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_04abe7b5-e82e-4a89-891b-4cf5e1263a56/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-43.i[916,929] [2024-11-02 12:26:15,656 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-02 12:26:15,685 INFO L204 MainTranslator]: Completed translation [2024-11-02 12:26:15,686 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:26:15 WrapperNode [2024-11-02 12:26:15,686 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-02 12:26:15,687 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-02 12:26:15,687 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-02 12:26:15,687 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-02 12:26:15,693 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:26:15" (1/1) ... [2024-11-02 12:26:15,717 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:26:15" (1/1) ... [2024-11-02 12:26:15,779 INFO L138 Inliner]: procedures = 30, calls = 176, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 541 [2024-11-02 12:26:15,780 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-02 12:26:15,780 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-02 12:26:15,781 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-02 12:26:15,781 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-02 12:26:15,798 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:26:15" (1/1) ... [2024-11-02 12:26:15,799 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:26:15" (1/1) ... [2024-11-02 12:26:15,811 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:26:15" (1/1) ... [2024-11-02 12:26:15,815 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:26:15" (1/1) ... [2024-11-02 12:26:15,838 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:26:15" (1/1) ... [2024-11-02 12:26:15,843 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:26:15" (1/1) ... [2024-11-02 12:26:15,846 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:26:15" (1/1) ... [2024-11-02 12:26:15,849 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:26:15" (1/1) ... [2024-11-02 12:26:15,854 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-02 12:26:15,855 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-02 12:26:15,855 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-02 12:26:15,856 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-02 12:26:15,857 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:26:15" (1/1) ... [2024-11-02 12:26:15,867 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-02 12:26:15,886 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04abe7b5-e82e-4a89-891b-4cf5e1263a56/bin/utaipan-verify-DbMuA5NWw2/z3 [2024-11-02 12:26:15,909 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04abe7b5-e82e-4a89-891b-4cf5e1263a56/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-02 12:26:15,939 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04abe7b5-e82e-4a89-891b-4cf5e1263a56/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-02 12:26:15,974 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-02 12:26:15,975 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real [2024-11-02 12:26:15,975 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2024-11-02 12:26:15,976 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2024-11-02 12:26:15,977 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-02 12:26:15,977 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2024-11-02 12:26:15,977 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-02 12:26:15,977 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-02 12:26:15,977 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-02 12:26:15,978 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-02 12:26:15,978 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-02 12:26:15,978 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-02 12:26:16,121 INFO L238 CfgBuilder]: Building ICFG [2024-11-02 12:26:16,123 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-02 12:26:17,014 INFO L? ?]: Removed 133 outVars from TransFormulas that were not future-live. [2024-11-02 12:26:17,015 INFO L287 CfgBuilder]: Performing block encoding [2024-11-02 12:26:17,679 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-02 12:26:17,681 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-02 12:26:17,681 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 12:26:17 BoogieIcfgContainer [2024-11-02 12:26:17,681 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-02 12:26:17,683 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-02 12:26:17,684 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-02 12:26:17,689 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-02 12:26:17,689 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.11 12:26:15" (1/3) ... [2024-11-02 12:26:17,690 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3871f022 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 12:26:17, skipping insertion in model container [2024-11-02 12:26:17,690 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:26:15" (2/3) ... [2024-11-02 12:26:17,691 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3871f022 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 12:26:17, skipping insertion in model container [2024-11-02 12:26:17,691 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 12:26:17" (3/3) ... [2024-11-02 12:26:17,693 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-s_file-43.i [2024-11-02 12:26:17,713 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-02 12:26:17,714 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-02 12:26:17,784 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-02 12:26:17,791 INFO L333 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, 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;@7eeb8a6d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-02 12:26:17,791 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-02 12:26:17,796 INFO L276 IsEmpty]: Start isEmpty. Operand has 49 states, 26 states have (on average 1.1153846153846154) internal successors, (29), 27 states have internal predecessors, (29), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-02 12:26:17,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2024-11-02 12:26:17,807 INFO L207 NwaCegarLoop]: Found error trace [2024-11-02 12:26:17,808 INFO L215 NwaCegarLoop]: trace histogram [20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-02 12:26:17,809 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-02 12:26:17,815 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 12:26:17,815 INFO L85 PathProgramCache]: Analyzing trace with hash 1661736547, now seen corresponding path program 1 times [2024-11-02 12:26:17,829 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-02 12:26:17,830 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [405967111] [2024-11-02 12:26:17,830 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 12:26:17,830 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-02 12:26:20,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-02 12:26:20,199 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [697246336] [2024-11-02 12:26:20,199 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 12:26:20,199 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-02 12:26:20,200 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04abe7b5-e82e-4a89-891b-4cf5e1263a56/bin/utaipan-verify-DbMuA5NWw2/z3 [2024-11-02 12:26:20,202 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04abe7b5-e82e-4a89-891b-4cf5e1263a56/bin/utaipan-verify-DbMuA5NWw2/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-02 12:26:20,204 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04abe7b5-e82e-4a89-891b-4cf5e1263a56/bin/utaipan-verify-DbMuA5NWw2/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-02 12:26:24,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-02 12:26:24,758 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-02 12:26:28,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-02 12:26:28,242 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2024-11-02 12:26:28,244 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-02 12:26:28,246 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-02 12:26:28,283 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04abe7b5-e82e-4a89-891b-4cf5e1263a56/bin/utaipan-verify-DbMuA5NWw2/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-02 12:26:28,448 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04abe7b5-e82e-4a89-891b-4cf5e1263a56/bin/utaipan-verify-DbMuA5NWw2/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-11-02 12:26:28,452 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-02 12:26:28,503 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-02 12:26:28,506 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.11 12:26:28 BoogieIcfgContainer [2024-11-02 12:26:28,506 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-02 12:26:28,507 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-02 12:26:28,507 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-02 12:26:28,507 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-02 12:26:28,508 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 12:26:17" (3/4) ... [2024-11-02 12:26:28,510 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-02 12:26:28,512 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-02 12:26:28,513 INFO L158 Benchmark]: Toolchain (without parser) took 13228.16ms. Allocated memory was 130.0MB in the beginning and 260.0MB in the end (delta: 130.0MB). Free memory was 88.4MB in the beginning and 79.2MB in the end (delta: 9.2MB). Peak memory consumption was 141.0MB. Max. memory is 16.1GB. [2024-11-02 12:26:28,513 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 102.8MB. Free memory is still 54.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-02 12:26:28,514 INFO L158 Benchmark]: CACSL2BoogieTranslator took 400.70ms. Allocated memory is still 130.0MB. Free memory was 88.1MB in the beginning and 68.3MB in the end (delta: 19.8MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2024-11-02 12:26:28,514 INFO L158 Benchmark]: Boogie Procedure Inliner took 93.34ms. Allocated memory is still 130.0MB. Free memory was 68.3MB in the beginning and 63.7MB in the end (delta: 4.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-02 12:26:28,515 INFO L158 Benchmark]: Boogie Preprocessor took 73.92ms. Allocated memory is still 130.0MB. Free memory was 63.7MB in the beginning and 59.9MB in the end (delta: 3.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-02 12:26:28,516 INFO L158 Benchmark]: RCFGBuilder took 1826.31ms. Allocated memory was 130.0MB in the beginning and 176.2MB in the end (delta: 46.1MB). Free memory was 59.9MB in the beginning and 110.0MB in the end (delta: -50.1MB). Peak memory consumption was 48.3MB. Max. memory is 16.1GB. [2024-11-02 12:26:28,516 INFO L158 Benchmark]: TraceAbstraction took 10823.01ms. Allocated memory was 176.2MB in the beginning and 260.0MB in the end (delta: 83.9MB). Free memory was 110.0MB in the beginning and 79.2MB in the end (delta: 30.8MB). Peak memory consumption was 113.6MB. Max. memory is 16.1GB. [2024-11-02 12:26:28,517 INFO L158 Benchmark]: Witness Printer took 4.84ms. Allocated memory is still 260.0MB. Free memory is still 79.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-02 12:26:28,520 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 102.8MB. Free memory is still 54.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 400.70ms. Allocated memory is still 130.0MB. Free memory was 88.1MB in the beginning and 68.3MB in the end (delta: 19.8MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 93.34ms. Allocated memory is still 130.0MB. Free memory was 68.3MB in the beginning and 63.7MB in the end (delta: 4.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 73.92ms. Allocated memory is still 130.0MB. Free memory was 63.7MB in the beginning and 59.9MB in the end (delta: 3.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1826.31ms. Allocated memory was 130.0MB in the beginning and 176.2MB in the end (delta: 46.1MB). Free memory was 59.9MB in the beginning and 110.0MB in the end (delta: -50.1MB). Peak memory consumption was 48.3MB. Max. memory is 16.1GB. * TraceAbstraction took 10823.01ms. Allocated memory was 176.2MB in the beginning and 260.0MB in the end (delta: 83.9MB). Free memory was 110.0MB in the beginning and 79.2MB in the end (delta: 30.8MB). Peak memory consumption was 113.6MB. Max. memory is 16.1GB. * Witness Printer took 4.84ms. Allocated memory is still 260.0MB. Free memory is still 79.2MB. 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 someBinaryFLOATComparisonOperation at line 81, overapproximation of shiftLeft at line 70, overapproximation of bitwiseOr at line 77, overapproximation of someBinaryArithmeticFLOAToperation at line 81. Possible FailurePath: [L42] unsigned char isInitial = 0; [L43-L62] struct WrapperStruct00 WrapperStruct00 = { 64, 4.5, 64.8, 64.4, 0.2, 10000, 1, 50, 8, 2, 100, 128, 23647, 32, 0, -50, 0, 0 }; [L135] isInitial = 1 [L136] FCALL initially() [L137] COND TRUE 1 [L138] FCALL updateLastVariables() [L139] CALL updateVariables() [L95] WrapperStruct00.var_1_2 = __VERIFIER_nondet_float() [L96] EXPR WrapperStruct00.var_1_2 [L96] EXPR WrapperStruct00.var_1_2 >= -922337.2036854776000e+13F && WrapperStruct00.var_1_2 <= -1.0e-20F [L96] EXPR WrapperStruct00.var_1_2 [L96] EXPR WrapperStruct00.var_1_2 >= -922337.2036854776000e+13F && WrapperStruct00.var_1_2 <= -1.0e-20F [L96] EXPR (WrapperStruct00.var_1_2 >= -922337.2036854776000e+13F && WrapperStruct00.var_1_2 <= -1.0e-20F) || (WrapperStruct00.var_1_2 <= 9223372.036854776000e+12F && WrapperStruct00.var_1_2 >= 1.0e-20F ) VAL [WrapperStruct00={4:0}, isInitial=1] [L96] CALL assume_abort_if_not((WrapperStruct00.var_1_2 >= -922337.2036854776000e+13F && WrapperStruct00.var_1_2 <= -1.0e-20F) || (WrapperStruct00.var_1_2 <= 9223372.036854776000e+12F && WrapperStruct00.var_1_2 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) [L96] RET assume_abort_if_not((WrapperStruct00.var_1_2 >= -922337.2036854776000e+13F && WrapperStruct00.var_1_2 <= -1.0e-20F) || (WrapperStruct00.var_1_2 <= 9223372.036854776000e+12F && WrapperStruct00.var_1_2 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, isInitial=1] [L97] WrapperStruct00.var_1_3 = __VERIFIER_nondet_float() [L98] EXPR WrapperStruct00.var_1_3 [L98] EXPR WrapperStruct00.var_1_3 >= -922337.2036854776000e+13F && WrapperStruct00.var_1_3 <= -1.0e-20F [L98] EXPR WrapperStruct00.var_1_3 [L98] EXPR WrapperStruct00.var_1_3 >= -922337.2036854776000e+13F && WrapperStruct00.var_1_3 <= -1.0e-20F [L98] EXPR (WrapperStruct00.var_1_3 >= -922337.2036854776000e+13F && WrapperStruct00.var_1_3 <= -1.0e-20F) || (WrapperStruct00.var_1_3 <= 9223372.036854776000e+12F && WrapperStruct00.var_1_3 >= 1.0e-20F ) VAL [WrapperStruct00={4:0}, isInitial=1] [L98] CALL assume_abort_if_not((WrapperStruct00.var_1_3 >= -922337.2036854776000e+13F && WrapperStruct00.var_1_3 <= -1.0e-20F) || (WrapperStruct00.var_1_3 <= 9223372.036854776000e+12F && WrapperStruct00.var_1_3 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) [L98] RET assume_abort_if_not((WrapperStruct00.var_1_3 >= -922337.2036854776000e+13F && WrapperStruct00.var_1_3 <= -1.0e-20F) || (WrapperStruct00.var_1_3 <= 9223372.036854776000e+12F && WrapperStruct00.var_1_3 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, isInitial=1] [L99] WrapperStruct00.var_1_4 = __VERIFIER_nondet_float() [L100] EXPR WrapperStruct00.var_1_4 [L100] EXPR WrapperStruct00.var_1_4 >= 0.0F && WrapperStruct00.var_1_4 <= -1.0e-20F [L100] EXPR WrapperStruct00.var_1_4 [L100] EXPR WrapperStruct00.var_1_4 >= 0.0F && WrapperStruct00.var_1_4 <= -1.0e-20F [L100] EXPR (WrapperStruct00.var_1_4 >= 0.0F && WrapperStruct00.var_1_4 <= -1.0e-20F) || (WrapperStruct00.var_1_4 <= 9223372.036854776000e+12F && WrapperStruct00.var_1_4 >= 1.0e-20F ) VAL [WrapperStruct00={4:0}, isInitial=1] [L100] CALL assume_abort_if_not((WrapperStruct00.var_1_4 >= 0.0F && WrapperStruct00.var_1_4 <= -1.0e-20F) || (WrapperStruct00.var_1_4 <= 9223372.036854776000e+12F && WrapperStruct00.var_1_4 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) [L100] RET assume_abort_if_not((WrapperStruct00.var_1_4 >= 0.0F && WrapperStruct00.var_1_4 <= -1.0e-20F) || (WrapperStruct00.var_1_4 <= 9223372.036854776000e+12F && WrapperStruct00.var_1_4 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, isInitial=1] [L101] WrapperStruct00.var_1_5 = __VERIFIER_nondet_float() [L102] EXPR WrapperStruct00.var_1_5 [L102] EXPR WrapperStruct00.var_1_5 >= 0.0F && WrapperStruct00.var_1_5 <= -1.0e-20F [L102] EXPR WrapperStruct00.var_1_5 [L102] EXPR WrapperStruct00.var_1_5 >= 0.0F && WrapperStruct00.var_1_5 <= -1.0e-20F [L102] EXPR (WrapperStruct00.var_1_5 >= 0.0F && WrapperStruct00.var_1_5 <= -1.0e-20F) || (WrapperStruct00.var_1_5 <= 9223372.036854776000e+12F && WrapperStruct00.var_1_5 >= 1.0e-20F ) VAL [WrapperStruct00={4:0}, isInitial=1] [L102] CALL assume_abort_if_not((WrapperStruct00.var_1_5 >= 0.0F && WrapperStruct00.var_1_5 <= -1.0e-20F) || (WrapperStruct00.var_1_5 <= 9223372.036854776000e+12F && WrapperStruct00.var_1_5 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) [L102] RET assume_abort_if_not((WrapperStruct00.var_1_5 >= 0.0F && WrapperStruct00.var_1_5 <= -1.0e-20F) || (WrapperStruct00.var_1_5 <= 9223372.036854776000e+12F && WrapperStruct00.var_1_5 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, isInitial=1] [L103] WrapperStruct00.var_1_7 = __VERIFIER_nondet_short() [L104] EXPR WrapperStruct00.var_1_7 VAL [WrapperStruct00={4:0}, isInitial=1] [L104] CALL assume_abort_if_not(WrapperStruct00.var_1_7 >= 8191) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) [L104] RET assume_abort_if_not(WrapperStruct00.var_1_7 >= 8191) VAL [WrapperStruct00={4:0}, isInitial=1] [L105] EXPR WrapperStruct00.var_1_7 VAL [WrapperStruct00={4:0}, isInitial=1] [L105] CALL assume_abort_if_not(WrapperStruct00.var_1_7 <= 16383) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) [L105] RET assume_abort_if_not(WrapperStruct00.var_1_7 <= 16383) VAL [WrapperStruct00={4:0}, isInitial=1] [L106] WrapperStruct00.var_1_8 = __VERIFIER_nondet_short() [L107] EXPR WrapperStruct00.var_1_8 VAL [WrapperStruct00={4:0}, isInitial=1] [L107] CALL assume_abort_if_not(WrapperStruct00.var_1_8 >= 0) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) [L107] RET assume_abort_if_not(WrapperStruct00.var_1_8 >= 0) VAL [WrapperStruct00={4:0}, isInitial=1] [L108] EXPR WrapperStruct00.var_1_8 VAL [WrapperStruct00={4:0}, isInitial=1] [L108] CALL assume_abort_if_not(WrapperStruct00.var_1_8 <= 8192) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) [L108] RET assume_abort_if_not(WrapperStruct00.var_1_8 <= 8192) VAL [WrapperStruct00={4:0}, isInitial=1] [L109] WrapperStruct00.var_1_9 = __VERIFIER_nondet_short() [L110] EXPR WrapperStruct00.var_1_9 VAL [WrapperStruct00={4:0}, isInitial=1] [L110] CALL assume_abort_if_not(WrapperStruct00.var_1_9 >= 0) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) [L110] RET assume_abort_if_not(WrapperStruct00.var_1_9 >= 0) VAL [WrapperStruct00={4:0}, isInitial=1] [L111] EXPR WrapperStruct00.var_1_9 VAL [WrapperStruct00={4:0}, isInitial=1] [L111] CALL assume_abort_if_not(WrapperStruct00.var_1_9 <= 8191) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) [L111] RET assume_abort_if_not(WrapperStruct00.var_1_9 <= 8191) VAL [WrapperStruct00={4:0}, isInitial=1] [L112] WrapperStruct00.var_1_10 = __VERIFIER_nondet_short() [L113] EXPR WrapperStruct00.var_1_10 VAL [WrapperStruct00={4:0}, isInitial=1] [L113] CALL assume_abort_if_not(WrapperStruct00.var_1_10 >= 0) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) [L113] RET assume_abort_if_not(WrapperStruct00.var_1_10 >= 0) VAL [WrapperStruct00={4:0}, isInitial=1] [L114] EXPR WrapperStruct00.var_1_10 VAL [WrapperStruct00={4:0}, isInitial=1] [L114] CALL assume_abort_if_not(WrapperStruct00.var_1_10 <= 32766) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) [L114] RET assume_abort_if_not(WrapperStruct00.var_1_10 <= 32766) VAL [WrapperStruct00={4:0}, isInitial=1] [L115] WrapperStruct00.var_1_14 = __VERIFIER_nondet_uchar() [L116] EXPR WrapperStruct00.var_1_14 VAL [WrapperStruct00={4:0}, isInitial=1] [L116] CALL assume_abort_if_not(WrapperStruct00.var_1_14 >= 0) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) [L116] RET assume_abort_if_not(WrapperStruct00.var_1_14 >= 0) VAL [WrapperStruct00={4:0}, isInitial=1] [L117] EXPR WrapperStruct00.var_1_14 VAL [WrapperStruct00={4:0}, isInitial=1] [L117] CALL assume_abort_if_not(WrapperStruct00.var_1_14 <= 254) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) [L117] RET assume_abort_if_not(WrapperStruct00.var_1_14 <= 254) VAL [WrapperStruct00={4:0}, isInitial=1] [L118] WrapperStruct00.var_1_16 = __VERIFIER_nondet_ushort() [L119] EXPR WrapperStruct00.var_1_16 VAL [WrapperStruct00={4:0}, isInitial=1] [L119] CALL assume_abort_if_not(WrapperStruct00.var_1_16 >= 16383) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) [L119] RET assume_abort_if_not(WrapperStruct00.var_1_16 >= 16383) VAL [WrapperStruct00={4:0}, isInitial=1] [L120] EXPR WrapperStruct00.var_1_16 VAL [WrapperStruct00={4:0}, isInitial=1] [L120] CALL assume_abort_if_not(WrapperStruct00.var_1_16 <= 32767) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) [L120] RET assume_abort_if_not(WrapperStruct00.var_1_16 <= 32767) VAL [WrapperStruct00={4:0}, isInitial=1] [L121] WrapperStruct00.var_1_19 = __VERIFIER_nondet_char() [L122] EXPR WrapperStruct00.var_1_19 VAL [WrapperStruct00={4:0}, isInitial=1] [L122] CALL assume_abort_if_not(WrapperStruct00.var_1_19 >= -127) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) [L122] RET assume_abort_if_not(WrapperStruct00.var_1_19 >= -127) VAL [WrapperStruct00={4:0}, isInitial=1] [L123] EXPR WrapperStruct00.var_1_19 VAL [WrapperStruct00={4:0}, isInitial=1] [L123] CALL assume_abort_if_not(WrapperStruct00.var_1_19 <= 126) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) [L123] RET assume_abort_if_not(WrapperStruct00.var_1_19 <= 126) VAL [WrapperStruct00={4:0}, isInitial=1] [L124] WrapperStruct00.var_1_21 = __VERIFIER_nondet_uchar() [L125] EXPR WrapperStruct00.var_1_21 VAL [WrapperStruct00={4:0}, isInitial=1] [L125] CALL assume_abort_if_not(WrapperStruct00.var_1_21 >= 0) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) [L125] RET assume_abort_if_not(WrapperStruct00.var_1_21 >= 0) VAL [WrapperStruct00={4:0}, isInitial=1] [L126] EXPR WrapperStruct00.var_1_21 VAL [WrapperStruct00={4:0}, isInitial=1] [L126] CALL assume_abort_if_not(WrapperStruct00.var_1_21 <= 0) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) [L126] RET assume_abort_if_not(WrapperStruct00.var_1_21 <= 0) VAL [WrapperStruct00={4:0}, isInitial=1] [L139] RET updateVariables() [L140] CALL step() [L66] EXPR WrapperStruct00.var_1_19 [L66] WrapperStruct00.var_1_18 = WrapperStruct00.var_1_19 [L67] EXPR WrapperStruct00.var_1_21 [L67] WrapperStruct00.var_1_20 = WrapperStruct00.var_1_21 [L68] EXPR WrapperStruct00.var_1_18 [L68] signed char stepLocal_1 = WrapperStruct00.var_1_18; [L69] EXPR WrapperStruct00.var_1_9 [L69] EXPR WrapperStruct00.var_1_7 [L69] signed long int stepLocal_0 = WrapperStruct00.var_1_9 / WrapperStruct00.var_1_7; [L70] EXPR WrapperStruct00.var_1_8 [L70] EXPR WrapperStruct00.var_1_10 [L70] EXPR WrapperStruct00.var_1_8 << WrapperStruct00.var_1_10 [L70] COND FALSE !(stepLocal_1 > (WrapperStruct00.var_1_8 << WrapperStruct00.var_1_10)) [L77] EXPR WrapperStruct00.var_1_7 [L77] EXPR WrapperStruct00.var_1_18 [L77] EXPR WrapperStruct00.var_1_7 ^ WrapperStruct00.var_1_18 [L77] signed long int stepLocal_2 = WrapperStruct00.var_1_7 ^ WrapperStruct00.var_1_18; [L78] EXPR WrapperStruct00.var_1_14 [L78] COND TRUE WrapperStruct00.var_1_14 >= stepLocal_2 [L79] EXPR WrapperStruct00.var_1_14 [L79] EXPR WrapperStruct00.var_1_16 [L79] EXPR WrapperStruct00.var_1_13 [L79] WrapperStruct00.var_1_15 = (WrapperStruct00.var_1_14 + (WrapperStruct00.var_1_16 - WrapperStruct00.var_1_13)) [L81] EXPR WrapperStruct00.var_1_2 [L81] EXPR WrapperStruct00.var_1_3 [L81] EXPR WrapperStruct00.var_1_4 [L81] EXPR WrapperStruct00.var_1_5 [L81] EXPR ((WrapperStruct00.var_1_3) > ((WrapperStruct00.var_1_4 - WrapperStruct00.var_1_5))) ? (WrapperStruct00.var_1_3) : ((WrapperStruct00.var_1_4 - WrapperStruct00.var_1_5)) [L81] EXPR WrapperStruct00.var_1_4 [L81] EXPR WrapperStruct00.var_1_5 [L81] EXPR ((WrapperStruct00.var_1_3) > ((WrapperStruct00.var_1_4 - WrapperStruct00.var_1_5))) ? (WrapperStruct00.var_1_3) : ((WrapperStruct00.var_1_4 - WrapperStruct00.var_1_5)) [L81] COND FALSE !(WrapperStruct00.var_1_2 != ((((WrapperStruct00.var_1_3) > ((WrapperStruct00.var_1_4 - WrapperStruct00.var_1_5))) ? (WrapperStruct00.var_1_3) : ((WrapperStruct00.var_1_4 - WrapperStruct00.var_1_5))))) [L86] WrapperStruct00.var_1_20 [L86] COND FALSE !(WrapperStruct00.var_1_20) [L89] EXPR WrapperStruct00.var_1_13 [L89] WrapperStruct00.var_1_1 = WrapperStruct00.var_1_13 [L92] EXPR WrapperStruct00.var_1_1 [L92] WrapperStruct00.var_1_17 = WrapperStruct00.var_1_1 [L140] RET step() [L141] CALL, EXPR property() [L131] EXPR WrapperStruct00.var_1_2 [L131] EXPR WrapperStruct00.var_1_3 [L131] EXPR WrapperStruct00.var_1_4 [L131] EXPR WrapperStruct00.var_1_5 [L131] EXPR ((WrapperStruct00.var_1_3) > ((WrapperStruct00.var_1_4 - WrapperStruct00.var_1_5))) ? (WrapperStruct00.var_1_3) : ((WrapperStruct00.var_1_4 - WrapperStruct00.var_1_5)) [L131] EXPR WrapperStruct00.var_1_4 [L131] EXPR WrapperStruct00.var_1_5 [L131] EXPR ((WrapperStruct00.var_1_3) > ((WrapperStruct00.var_1_4 - WrapperStruct00.var_1_5))) ? (WrapperStruct00.var_1_3) : ((WrapperStruct00.var_1_4 - WrapperStruct00.var_1_5)) [L131] EXPR (WrapperStruct00.var_1_2 != ((((WrapperStruct00.var_1_3) > ((WrapperStruct00.var_1_4 - WrapperStruct00.var_1_5))) ? (WrapperStruct00.var_1_3) : ((WrapperStruct00.var_1_4 - WrapperStruct00.var_1_5))))) ? (WrapperStruct00.var_1_20 ? (WrapperStruct00.var_1_1 == ((signed short int) (((WrapperStruct00.var_1_7 - 32) + (WrapperStruct00.var_1_13 + WrapperStruct00.var_1_13)) - WrapperStruct00.var_1_13))) : 1) : (WrapperStruct00.var_1_20 ? (WrapperStruct00.var_1_1 == ((signed short int) WrapperStruct00.var_1_18)) : (WrapperStruct00.var_1_1 == ((signed short int) WrapperStruct00.var_1_13))) [L131] EXPR WrapperStruct00.var_1_20 [L131] EXPR WrapperStruct00.var_1_20 ? (WrapperStruct00.var_1_1 == ((signed short int) (((WrapperStruct00.var_1_7 - 32) + (WrapperStruct00.var_1_13 + WrapperStruct00.var_1_13)) - WrapperStruct00.var_1_13))) : 1 [L131] EXPR (WrapperStruct00.var_1_2 != ((((WrapperStruct00.var_1_3) > ((WrapperStruct00.var_1_4 - WrapperStruct00.var_1_5))) ? (WrapperStruct00.var_1_3) : ((WrapperStruct00.var_1_4 - WrapperStruct00.var_1_5))))) ? (WrapperStruct00.var_1_20 ? (WrapperStruct00.var_1_1 == ((signed short int) (((WrapperStruct00.var_1_7 - 32) + (WrapperStruct00.var_1_13 + WrapperStruct00.var_1_13)) - WrapperStruct00.var_1_13))) : 1) : (WrapperStruct00.var_1_20 ? (WrapperStruct00.var_1_1 == ((signed short int) WrapperStruct00.var_1_18)) : (WrapperStruct00.var_1_1 == ((signed short int) WrapperStruct00.var_1_13))) [L131] EXPR ((WrapperStruct00.var_1_2 != ((((WrapperStruct00.var_1_3) > ((WrapperStruct00.var_1_4 - WrapperStruct00.var_1_5))) ? (WrapperStruct00.var_1_3) : ((WrapperStruct00.var_1_4 - WrapperStruct00.var_1_5))))) ? (WrapperStruct00.var_1_20 ? (WrapperStruct00.var_1_1 == ((signed short int) (((WrapperStruct00.var_1_7 - 32) + (WrapperStruct00.var_1_13 + WrapperStruct00.var_1_13)) - WrapperStruct00.var_1_13))) : 1) : (WrapperStruct00.var_1_20 ? (WrapperStruct00.var_1_1 == ((signed short int) WrapperStruct00.var_1_18)) : (WrapperStruct00.var_1_1 == ((signed short int) WrapperStruct00.var_1_13)))) && ((WrapperStruct00.var_1_18 > (WrapperStruct00.var_1_8 << WrapperStruct00.var_1_10)) ? (((WrapperStruct00.var_1_9 / WrapperStruct00.var_1_7) > -25) ? (WrapperStruct00.var_1_13 == ((unsigned char) WrapperStruct00.var_1_14)) : (WrapperStruct00.var_1_13 == ((unsigned char) WrapperStruct00.var_1_14))) : 1) [L131] EXPR WrapperStruct00.var_1_18 [L131] EXPR WrapperStruct00.var_1_8 [L131] EXPR WrapperStruct00.var_1_10 [L131] EXPR WrapperStruct00.var_1_8 << WrapperStruct00.var_1_10 [L131] EXPR (WrapperStruct00.var_1_18 > (WrapperStruct00.var_1_8 << WrapperStruct00.var_1_10)) ? (((WrapperStruct00.var_1_9 / WrapperStruct00.var_1_7) > -25) ? (WrapperStruct00.var_1_13 == ((unsigned char) WrapperStruct00.var_1_14)) : (WrapperStruct00.var_1_13 == ((unsigned char) WrapperStruct00.var_1_14))) : 1 [L131] EXPR WrapperStruct00.var_1_9 [L131] EXPR WrapperStruct00.var_1_7 [L131] EXPR ((WrapperStruct00.var_1_9 / WrapperStruct00.var_1_7) > -25) ? (WrapperStruct00.var_1_13 == ((unsigned char) WrapperStruct00.var_1_14)) : (WrapperStruct00.var_1_13 == ((unsigned char) WrapperStruct00.var_1_14)) [L131] EXPR WrapperStruct00.var_1_13 [L131] EXPR WrapperStruct00.var_1_14 [L131] EXPR ((WrapperStruct00.var_1_9 / WrapperStruct00.var_1_7) > -25) ? (WrapperStruct00.var_1_13 == ((unsigned char) WrapperStruct00.var_1_14)) : (WrapperStruct00.var_1_13 == ((unsigned char) WrapperStruct00.var_1_14)) [L131] EXPR (WrapperStruct00.var_1_18 > (WrapperStruct00.var_1_8 << WrapperStruct00.var_1_10)) ? (((WrapperStruct00.var_1_9 / WrapperStruct00.var_1_7) > -25) ? (WrapperStruct00.var_1_13 == ((unsigned char) WrapperStruct00.var_1_14)) : (WrapperStruct00.var_1_13 == ((unsigned char) WrapperStruct00.var_1_14))) : 1 [L131] EXPR ((WrapperStruct00.var_1_2 != ((((WrapperStruct00.var_1_3) > ((WrapperStruct00.var_1_4 - WrapperStruct00.var_1_5))) ? (WrapperStruct00.var_1_3) : ((WrapperStruct00.var_1_4 - WrapperStruct00.var_1_5))))) ? (WrapperStruct00.var_1_20 ? (WrapperStruct00.var_1_1 == ((signed short int) (((WrapperStruct00.var_1_7 - 32) + (WrapperStruct00.var_1_13 + WrapperStruct00.var_1_13)) - WrapperStruct00.var_1_13))) : 1) : (WrapperStruct00.var_1_20 ? (WrapperStruct00.var_1_1 == ((signed short int) WrapperStruct00.var_1_18)) : (WrapperStruct00.var_1_1 == ((signed short int) WrapperStruct00.var_1_13)))) && ((WrapperStruct00.var_1_18 > (WrapperStruct00.var_1_8 << WrapperStruct00.var_1_10)) ? (((WrapperStruct00.var_1_9 / WrapperStruct00.var_1_7) > -25) ? (WrapperStruct00.var_1_13 == ((unsigned char) WrapperStruct00.var_1_14)) : (WrapperStruct00.var_1_13 == ((unsigned char) WrapperStruct00.var_1_14))) : 1) [L131] EXPR (((WrapperStruct00.var_1_2 != ((((WrapperStruct00.var_1_3) > ((WrapperStruct00.var_1_4 - WrapperStruct00.var_1_5))) ? (WrapperStruct00.var_1_3) : ((WrapperStruct00.var_1_4 - WrapperStruct00.var_1_5))))) ? (WrapperStruct00.var_1_20 ? (WrapperStruct00.var_1_1 == ((signed short int) (((WrapperStruct00.var_1_7 - 32) + (WrapperStruct00.var_1_13 + WrapperStruct00.var_1_13)) - WrapperStruct00.var_1_13))) : 1) : (WrapperStruct00.var_1_20 ? (WrapperStruct00.var_1_1 == ((signed short int) WrapperStruct00.var_1_18)) : (WrapperStruct00.var_1_1 == ((signed short int) WrapperStruct00.var_1_13)))) && ((WrapperStruct00.var_1_18 > (WrapperStruct00.var_1_8 << WrapperStruct00.var_1_10)) ? (((WrapperStruct00.var_1_9 / WrapperStruct00.var_1_7) > -25) ? (WrapperStruct00.var_1_13 == ((unsigned char) WrapperStruct00.var_1_14)) : (WrapperStruct00.var_1_13 == ((unsigned char) WrapperStruct00.var_1_14))) : 1)) && ((WrapperStruct00.var_1_14 >= (WrapperStruct00.var_1_7 ^ WrapperStruct00.var_1_18)) ? (WrapperStruct00.var_1_15 == ((unsigned short int) (WrapperStruct00.var_1_14 + (WrapperStruct00.var_1_16 - WrapperStruct00.var_1_13)))) : 1) [L131] EXPR ((((WrapperStruct00.var_1_2 != ((((WrapperStruct00.var_1_3) > ((WrapperStruct00.var_1_4 - WrapperStruct00.var_1_5))) ? (WrapperStruct00.var_1_3) : ((WrapperStruct00.var_1_4 - WrapperStruct00.var_1_5))))) ? (WrapperStruct00.var_1_20 ? (WrapperStruct00.var_1_1 == ((signed short int) (((WrapperStruct00.var_1_7 - 32) + (WrapperStruct00.var_1_13 + WrapperStruct00.var_1_13)) - WrapperStruct00.var_1_13))) : 1) : (WrapperStruct00.var_1_20 ? (WrapperStruct00.var_1_1 == ((signed short int) WrapperStruct00.var_1_18)) : (WrapperStruct00.var_1_1 == ((signed short int) WrapperStruct00.var_1_13)))) && ((WrapperStruct00.var_1_18 > (WrapperStruct00.var_1_8 << WrapperStruct00.var_1_10)) ? (((WrapperStruct00.var_1_9 / WrapperStruct00.var_1_7) > -25) ? (WrapperStruct00.var_1_13 == ((unsigned char) WrapperStruct00.var_1_14)) : (WrapperStruct00.var_1_13 == ((unsigned char) WrapperStruct00.var_1_14))) : 1)) && ((WrapperStruct00.var_1_14 >= (WrapperStruct00.var_1_7 ^ WrapperStruct00.var_1_18)) ? (WrapperStruct00.var_1_15 == ((unsigned short int) (WrapperStruct00.var_1_14 + (WrapperStruct00.var_1_16 - WrapperStruct00.var_1_13)))) : 1)) && (WrapperStruct00.var_1_17 == ((unsigned short int) WrapperStruct00.var_1_1)) [L131] EXPR (((((WrapperStruct00.var_1_2 != ((((WrapperStruct00.var_1_3) > ((WrapperStruct00.var_1_4 - WrapperStruct00.var_1_5))) ? (WrapperStruct00.var_1_3) : ((WrapperStruct00.var_1_4 - WrapperStruct00.var_1_5))))) ? (WrapperStruct00.var_1_20 ? (WrapperStruct00.var_1_1 == ((signed short int) (((WrapperStruct00.var_1_7 - 32) + (WrapperStruct00.var_1_13 + WrapperStruct00.var_1_13)) - WrapperStruct00.var_1_13))) : 1) : (WrapperStruct00.var_1_20 ? (WrapperStruct00.var_1_1 == ((signed short int) WrapperStruct00.var_1_18)) : (WrapperStruct00.var_1_1 == ((signed short int) WrapperStruct00.var_1_13)))) && ((WrapperStruct00.var_1_18 > (WrapperStruct00.var_1_8 << WrapperStruct00.var_1_10)) ? (((WrapperStruct00.var_1_9 / WrapperStruct00.var_1_7) > -25) ? (WrapperStruct00.var_1_13 == ((unsigned char) WrapperStruct00.var_1_14)) : (WrapperStruct00.var_1_13 == ((unsigned char) WrapperStruct00.var_1_14))) : 1)) && ((WrapperStruct00.var_1_14 >= (WrapperStruct00.var_1_7 ^ WrapperStruct00.var_1_18)) ? (WrapperStruct00.var_1_15 == ((unsigned short int) (WrapperStruct00.var_1_14 + (WrapperStruct00.var_1_16 - WrapperStruct00.var_1_13)))) : 1)) && (WrapperStruct00.var_1_17 == ((unsigned short int) WrapperStruct00.var_1_1))) && (WrapperStruct00.var_1_18 == ((signed char) WrapperStruct00.var_1_19)) [L131] EXPR ((((((WrapperStruct00.var_1_2 != ((((WrapperStruct00.var_1_3) > ((WrapperStruct00.var_1_4 - WrapperStruct00.var_1_5))) ? (WrapperStruct00.var_1_3) : ((WrapperStruct00.var_1_4 - WrapperStruct00.var_1_5))))) ? (WrapperStruct00.var_1_20 ? (WrapperStruct00.var_1_1 == ((signed short int) (((WrapperStruct00.var_1_7 - 32) + (WrapperStruct00.var_1_13 + WrapperStruct00.var_1_13)) - WrapperStruct00.var_1_13))) : 1) : (WrapperStruct00.var_1_20 ? (WrapperStruct00.var_1_1 == ((signed short int) WrapperStruct00.var_1_18)) : (WrapperStruct00.var_1_1 == ((signed short int) WrapperStruct00.var_1_13)))) && ((WrapperStruct00.var_1_18 > (WrapperStruct00.var_1_8 << WrapperStruct00.var_1_10)) ? (((WrapperStruct00.var_1_9 / WrapperStruct00.var_1_7) > -25) ? (WrapperStruct00.var_1_13 == ((unsigned char) WrapperStruct00.var_1_14)) : (WrapperStruct00.var_1_13 == ((unsigned char) WrapperStruct00.var_1_14))) : 1)) && ((WrapperStruct00.var_1_14 >= (WrapperStruct00.var_1_7 ^ WrapperStruct00.var_1_18)) ? (WrapperStruct00.var_1_15 == ((unsigned short int) (WrapperStruct00.var_1_14 + (WrapperStruct00.var_1_16 - WrapperStruct00.var_1_13)))) : 1)) && (WrapperStruct00.var_1_17 == ((unsigned short int) WrapperStruct00.var_1_1))) && (WrapperStruct00.var_1_18 == ((signed char) WrapperStruct00.var_1_19))) && (WrapperStruct00.var_1_20 == ((unsigned char) WrapperStruct00.var_1_21)) [L131-L132] return ((((((WrapperStruct00.var_1_2 != ((((WrapperStruct00.var_1_3) > ((WrapperStruct00.var_1_4 - WrapperStruct00.var_1_5))) ? (WrapperStruct00.var_1_3) : ((WrapperStruct00.var_1_4 - WrapperStruct00.var_1_5))))) ? (WrapperStruct00.var_1_20 ? (WrapperStruct00.var_1_1 == ((signed short int) (((WrapperStruct00.var_1_7 - 32) + (WrapperStruct00.var_1_13 + WrapperStruct00.var_1_13)) - WrapperStruct00.var_1_13))) : 1) : (WrapperStruct00.var_1_20 ? (WrapperStruct00.var_1_1 == ((signed short int) WrapperStruct00.var_1_18)) : (WrapperStruct00.var_1_1 == ((signed short int) WrapperStruct00.var_1_13)))) && ((WrapperStruct00.var_1_18 > (WrapperStruct00.var_1_8 << WrapperStruct00.var_1_10)) ? (((WrapperStruct00.var_1_9 / WrapperStruct00.var_1_7) > -25) ? (WrapperStruct00.var_1_13 == ((unsigned char) WrapperStruct00.var_1_14)) : (WrapperStruct00.var_1_13 == ((unsigned char) WrapperStruct00.var_1_14))) : 1)) && ((WrapperStruct00.var_1_14 >= (WrapperStruct00.var_1_7 ^ WrapperStruct00.var_1_18)) ? (WrapperStruct00.var_1_15 == ((unsigned short int) (WrapperStruct00.var_1_14 + (WrapperStruct00.var_1_16 - WrapperStruct00.var_1_13)))) : 1)) && (WrapperStruct00.var_1_17 == ((unsigned short int) WrapperStruct00.var_1_1))) && (WrapperStruct00.var_1_18 == ((signed char) WrapperStruct00.var_1_19))) && (WrapperStruct00.var_1_20 == ((unsigned char) WrapperStruct00.var_1_21)) ; [L141] RET, EXPR property() [L141] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [WrapperStruct00={4:0}, isInitial=1] [L19] reach_error() VAL [WrapperStruct00={4:0}, isInitial=1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 49 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 10.7s, OverallIterations: 1, TraceHistogramMax: 20, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=49occurred 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: 0.1s SsaConstructionTime, 6.3s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 168 NumberOfCodeBlocks, 168 NumberOfCodeBlocksAsserted, 2 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 [2024-11-02 12:26:28,558 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04abe7b5-e82e-4a89-891b-4cf5e1263a56/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04abe7b5-e82e-4a89-891b-4cf5e1263a56/bin/utaipan-verify-DbMuA5NWw2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04abe7b5-e82e-4a89-891b-4cf5e1263a56/bin/utaipan-verify-DbMuA5NWw2/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04abe7b5-e82e-4a89-891b-4cf5e1263a56/bin/utaipan-verify-DbMuA5NWw2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04abe7b5-e82e-4a89-891b-4cf5e1263a56/bin/utaipan-verify-DbMuA5NWw2/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-43.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04abe7b5-e82e-4a89-891b-4cf5e1263a56/bin/utaipan-verify-DbMuA5NWw2/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04abe7b5-e82e-4a89-891b-4cf5e1263a56/bin/utaipan-verify-DbMuA5NWw2 --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 3866fcabc53f8729ce5445d739af818fee4df02a7fd7be02b76364ea8cb9d346 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-11-02 12:26:31,144 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-02 12:26:31,260 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04abe7b5-e82e-4a89-891b-4cf5e1263a56/bin/utaipan-verify-DbMuA5NWw2/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2024-11-02 12:26:31,269 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-02 12:26:31,271 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-02 12:26:31,314 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-02 12:26:31,317 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-02 12:26:31,318 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-02 12:26:31,319 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-02 12:26:31,321 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-02 12:26:31,321 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-02 12:26:31,322 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-02 12:26:31,323 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-02 12:26:31,325 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-02 12:26:31,326 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-02 12:26:31,326 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-02 12:26:31,327 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-02 12:26:31,328 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-02 12:26:31,328 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-02 12:26:31,333 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-02 12:26:31,333 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-02 12:26:31,334 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-02 12:26:31,335 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-02 12:26:31,335 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-02 12:26:31,335 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-02 12:26:31,336 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-02 12:26:31,336 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-02 12:26:31,336 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-02 12:26:31,336 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-02 12:26:31,337 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-02 12:26:31,337 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-02 12:26:31,337 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-02 12:26:31,339 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-02 12:26:31,340 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-02 12:26:31,340 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-02 12:26:31,340 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-02 12:26:31,341 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-02 12:26:31,341 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-02 12:26:31,341 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-02 12:26:31,342 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-02 12:26:31,343 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-02 12:26:31,343 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-02 12:26:31,356 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-02 12:26:31,356 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-02 12:26:31,356 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_04abe7b5-e82e-4a89-891b-4cf5e1263a56/bin/utaipan-verify-DbMuA5NWw2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04abe7b5-e82e-4a89-891b-4cf5e1263a56/bin/utaipan-verify-DbMuA5NWw2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3866fcabc53f8729ce5445d739af818fee4df02a7fd7be02b76364ea8cb9d346 [2024-11-02 12:26:31,801 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-02 12:26:31,830 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-02 12:26:31,837 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-02 12:26:31,838 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-02 12:26:31,839 INFO L274 PluginConnector]: CDTParser initialized [2024-11-02 12:26:31,840 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04abe7b5-e82e-4a89-891b-4cf5e1263a56/bin/utaipan-verify-DbMuA5NWw2/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-43.i Unable to find full path for "g++" [2024-11-02 12:26:34,200 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-02 12:26:34,462 INFO L384 CDTParser]: Found 1 translation units. [2024-11-02 12:26:34,463 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04abe7b5-e82e-4a89-891b-4cf5e1263a56/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-43.i [2024-11-02 12:26:34,472 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04abe7b5-e82e-4a89-891b-4cf5e1263a56/bin/utaipan-verify-DbMuA5NWw2/data/150a39404/7cc7d133c0c34b269b891c0beac1ded6/FLAGb061ff744 [2024-11-02 12:26:34,486 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04abe7b5-e82e-4a89-891b-4cf5e1263a56/bin/utaipan-verify-DbMuA5NWw2/data/150a39404/7cc7d133c0c34b269b891c0beac1ded6 [2024-11-02 12:26:34,489 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-02 12:26:34,490 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-02 12:26:34,492 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-02 12:26:34,492 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-02 12:26:34,498 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-02 12:26:34,499 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 12:26:34" (1/1) ... [2024-11-02 12:26:34,500 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@38829a13 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:26:34, skipping insertion in model container [2024-11-02 12:26:34,501 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 12:26:34" (1/1) ... [2024-11-02 12:26:34,537 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-02 12:26:34,784 WARN L251 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_04abe7b5-e82e-4a89-891b-4cf5e1263a56/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-43.i[916,929] [2024-11-02 12:26:34,906 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-02 12:26:34,930 INFO L200 MainTranslator]: Completed pre-run [2024-11-02 12:26:34,947 WARN L251 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_04abe7b5-e82e-4a89-891b-4cf5e1263a56/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-43.i[916,929] [2024-11-02 12:26:35,039 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-02 12:26:35,083 INFO L204 MainTranslator]: Completed translation [2024-11-02 12:26:35,083 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:26:35 WrapperNode [2024-11-02 12:26:35,084 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-02 12:26:35,085 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-02 12:26:35,086 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-02 12:26:35,086 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-02 12:26:35,095 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:26:35" (1/1) ... [2024-11-02 12:26:35,128 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:26:35" (1/1) ... [2024-11-02 12:26:35,200 INFO L138 Inliner]: procedures = 34, calls = 176, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 500 [2024-11-02 12:26:35,201 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-02 12:26:35,201 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-02 12:26:35,202 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-02 12:26:35,202 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-02 12:26:35,214 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:26:35" (1/1) ... [2024-11-02 12:26:35,214 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:26:35" (1/1) ... [2024-11-02 12:26:35,227 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:26:35" (1/1) ... [2024-11-02 12:26:35,227 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:26:35" (1/1) ... [2024-11-02 12:26:35,272 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:26:35" (1/1) ... [2024-11-02 12:26:35,280 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:26:35" (1/1) ... [2024-11-02 12:26:35,286 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:26:35" (1/1) ... [2024-11-02 12:26:35,293 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:26:35" (1/1) ... [2024-11-02 12:26:35,305 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-02 12:26:35,306 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-02 12:26:35,306 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-02 12:26:35,306 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-02 12:26:35,307 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:26:35" (1/1) ... [2024-11-02 12:26:35,319 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-02 12:26:35,343 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04abe7b5-e82e-4a89-891b-4cf5e1263a56/bin/utaipan-verify-DbMuA5NWw2/z3 [2024-11-02 12:26:35,362 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04abe7b5-e82e-4a89-891b-4cf5e1263a56/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-02 12:26:35,367 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04abe7b5-e82e-4a89-891b-4cf5e1263a56/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-02 12:26:35,405 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-02 12:26:35,406 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2024-11-02 12:26:35,406 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-02 12:26:35,406 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2024-11-02 12:26:35,407 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2024-11-02 12:26:35,407 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2024-11-02 12:26:35,407 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2024-11-02 12:26:35,407 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2024-11-02 12:26:35,412 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-02 12:26:35,412 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-02 12:26:35,412 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4 [2024-11-02 12:26:35,412 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-02 12:26:35,413 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-02 12:26:35,413 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2024-11-02 12:26:35,413 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2024-11-02 12:26:35,594 INFO L238 CfgBuilder]: Building ICFG [2024-11-02 12:26:35,597 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-02 12:26:37,243 INFO L? ?]: Removed 119 outVars from TransFormulas that were not future-live. [2024-11-02 12:26:37,243 INFO L287 CfgBuilder]: Performing block encoding [2024-11-02 12:26:37,268 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-02 12:26:37,268 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-02 12:26:37,273 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 12:26:37 BoogieIcfgContainer [2024-11-02 12:26:37,273 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-02 12:26:37,276 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-02 12:26:37,276 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-02 12:26:37,281 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-02 12:26:37,282 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.11 12:26:34" (1/3) ... [2024-11-02 12:26:37,282 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1a16b4e8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 12:26:37, skipping insertion in model container [2024-11-02 12:26:37,282 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:26:35" (2/3) ... [2024-11-02 12:26:37,283 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1a16b4e8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 12:26:37, skipping insertion in model container [2024-11-02 12:26:37,283 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 12:26:37" (3/3) ... [2024-11-02 12:26:37,284 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-s_file-43.i [2024-11-02 12:26:37,305 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-02 12:26:37,305 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-02 12:26:37,383 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-02 12:26:37,389 INFO L333 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, 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;@662d0f27, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-02 12:26:37,389 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-02 12:26:37,393 INFO L276 IsEmpty]: Start isEmpty. Operand has 113 states, 90 states have (on average 1.4) internal successors, (126), 91 states have internal predecessors, (126), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-02 12:26:37,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2024-11-02 12:26:37,410 INFO L207 NwaCegarLoop]: Found error trace [2024-11-02 12:26:37,411 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-02 12:26:37,412 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-02 12:26:37,417 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 12:26:37,418 INFO L85 PathProgramCache]: Analyzing trace with hash 1561133314, now seen corresponding path program 1 times [2024-11-02 12:26:37,433 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-02 12:26:37,433 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [815781080] [2024-11-02 12:26:37,433 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 12:26:37,434 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 [2024-11-02 12:26:37,434 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04abe7b5-e82e-4a89-891b-4cf5e1263a56/bin/utaipan-verify-DbMuA5NWw2/mathsat [2024-11-02 12:26:37,448 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04abe7b5-e82e-4a89-891b-4cf5e1263a56/bin/utaipan-verify-DbMuA5NWw2/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) [2024-11-02 12:26:37,449 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04abe7b5-e82e-4a89-891b-4cf5e1263a56/bin/utaipan-verify-DbMuA5NWw2/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 [2024-11-02 12:26:38,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-02 12:26:38,126 INFO L255 TraceCheckSpWp]: Trace formula consists of 345 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-02 12:26:38,142 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-02 12:26:38,215 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 350 proven. 0 refuted. 0 times theorem prover too weak. 410 trivial. 0 not checked. [2024-11-02 12:26:38,215 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-02 12:26:38,216 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-02 12:26:38,217 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [815781080] [2024-11-02 12:26:38,218 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [815781080] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-02 12:26:38,219 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-02 12:26:38,219 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-02 12:26:38,221 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [915269865] [2024-11-02 12:26:38,222 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-02 12:26:38,228 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-02 12:26:38,229 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-02 12:26:38,265 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-02 12:26:38,266 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-02 12:26:38,271 INFO L87 Difference]: Start difference. First operand has 113 states, 90 states have (on average 1.4) internal successors, (126), 91 states have internal predecessors, (126), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) Second operand has 2 states, 2 states have (on average 36.0) internal successors, (72), 2 states have internal predecessors, (72), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2024-11-02 12:26:38,327 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-02 12:26:38,328 INFO L93 Difference]: Finished difference Result 219 states and 346 transitions. [2024-11-02 12:26:38,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-02 12:26:38,331 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 36.0) internal successors, (72), 2 states have internal predecessors, (72), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 165 [2024-11-02 12:26:38,332 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-02 12:26:38,346 INFO L225 Difference]: With dead ends: 219 [2024-11-02 12:26:38,346 INFO L226 Difference]: Without dead ends: 109 [2024-11-02 12:26:38,352 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 164 GetRequests, 164 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-02 12:26:38,358 INFO L432 NwaCegarLoop]: 159 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, 159 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 [2024-11-02 12:26:38,360 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 159 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-02 12:26:38,382 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2024-11-02 12:26:38,425 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 109. [2024-11-02 12:26:38,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 109 states, 87 states have (on average 1.367816091954023) internal successors, (119), 87 states have internal predecessors, (119), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-02 12:26:38,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 159 transitions. [2024-11-02 12:26:38,435 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 159 transitions. Word has length 165 [2024-11-02 12:26:38,435 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-02 12:26:38,435 INFO L471 AbstractCegarLoop]: Abstraction has 109 states and 159 transitions. [2024-11-02 12:26:38,436 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 36.0) internal successors, (72), 2 states have internal predecessors, (72), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2024-11-02 12:26:38,436 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 159 transitions. [2024-11-02 12:26:38,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2024-11-02 12:26:38,440 INFO L207 NwaCegarLoop]: Found error trace [2024-11-02 12:26:38,440 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-02 12:26:38,454 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04abe7b5-e82e-4a89-891b-4cf5e1263a56/bin/utaipan-verify-DbMuA5NWw2/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 [2024-11-02 12:26:38,642 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04abe7b5-e82e-4a89-891b-4cf5e1263a56/bin/utaipan-verify-DbMuA5NWw2/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 [2024-11-02 12:26:38,642 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-02 12:26:38,645 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 12:26:38,646 INFO L85 PathProgramCache]: Analyzing trace with hash 1953213538, now seen corresponding path program 1 times [2024-11-02 12:26:38,647 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-02 12:26:38,647 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [721110641] [2024-11-02 12:26:38,648 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 12:26:38,648 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 [2024-11-02 12:26:38,648 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04abe7b5-e82e-4a89-891b-4cf5e1263a56/bin/utaipan-verify-DbMuA5NWw2/mathsat [2024-11-02 12:26:38,655 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04abe7b5-e82e-4a89-891b-4cf5e1263a56/bin/utaipan-verify-DbMuA5NWw2/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) [2024-11-02 12:26:38,657 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04abe7b5-e82e-4a89-891b-4cf5e1263a56/bin/utaipan-verify-DbMuA5NWw2/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 [2024-11-02 12:26:39,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-02 12:26:39,283 INFO L255 TraceCheckSpWp]: Trace formula consists of 345 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-02 12:26:39,302 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-02 12:26:39,400 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-11-02 12:26:39,401 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-02 12:26:39,401 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-02 12:26:39,401 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [721110641] [2024-11-02 12:26:39,401 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [721110641] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-02 12:26:39,401 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-02 12:26:39,401 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-02 12:26:39,402 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [796831553] [2024-11-02 12:26:39,402 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-02 12:26:39,405 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-02 12:26:39,406 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-02 12:26:39,407 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-02 12:26:39,407 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-02 12:26:39,407 INFO L87 Difference]: Start difference. First operand 109 states and 159 transitions. Second operand has 5 states, 5 states have (on average 13.6) internal successors, (68), 5 states have internal predecessors, (68), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-02 12:26:39,529 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-02 12:26:39,529 INFO L93 Difference]: Finished difference Result 220 states and 322 transitions. [2024-11-02 12:26:39,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-02 12:26:39,533 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.6) internal successors, (68), 5 states have internal predecessors, (68), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 165 [2024-11-02 12:26:39,535 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-02 12:26:39,536 INFO L225 Difference]: With dead ends: 220 [2024-11-02 12:26:39,536 INFO L226 Difference]: Without dead ends: 114 [2024-11-02 12:26:39,539 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 164 GetRequests, 161 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-02 12:26:39,540 INFO L432 NwaCegarLoop]: 154 mSDtfsCounter, 1 mSDsluCounter, 446 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 600 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-02 12:26:39,541 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 600 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-02 12:26:39,545 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114 states. [2024-11-02 12:26:39,560 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114 to 113. [2024-11-02 12:26:39,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 113 states, 91 states have (on average 1.3516483516483517) internal successors, (123), 91 states have internal predecessors, (123), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-02 12:26:39,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 163 transitions. [2024-11-02 12:26:39,565 INFO L78 Accepts]: Start accepts. Automaton has 113 states and 163 transitions. Word has length 165 [2024-11-02 12:26:39,567 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-02 12:26:39,567 INFO L471 AbstractCegarLoop]: Abstraction has 113 states and 163 transitions. [2024-11-02 12:26:39,567 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.6) internal successors, (68), 5 states have internal predecessors, (68), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-02 12:26:39,568 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 163 transitions. [2024-11-02 12:26:39,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2024-11-02 12:26:39,572 INFO L207 NwaCegarLoop]: Found error trace [2024-11-02 12:26:39,572 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-02 12:26:39,588 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04abe7b5-e82e-4a89-891b-4cf5e1263a56/bin/utaipan-verify-DbMuA5NWw2/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2024-11-02 12:26:39,773 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04abe7b5-e82e-4a89-891b-4cf5e1263a56/bin/utaipan-verify-DbMuA5NWw2/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 [2024-11-02 12:26:39,778 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-02 12:26:39,779 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 12:26:39,779 INFO L85 PathProgramCache]: Analyzing trace with hash -1661695388, now seen corresponding path program 1 times [2024-11-02 12:26:39,781 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-02 12:26:39,781 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [480554014] [2024-11-02 12:26:39,782 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 12:26:39,783 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 [2024-11-02 12:26:39,784 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04abe7b5-e82e-4a89-891b-4cf5e1263a56/bin/utaipan-verify-DbMuA5NWw2/mathsat [2024-11-02 12:26:39,785 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04abe7b5-e82e-4a89-891b-4cf5e1263a56/bin/utaipan-verify-DbMuA5NWw2/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) [2024-11-02 12:26:39,791 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04abe7b5-e82e-4a89-891b-4cf5e1263a56/bin/utaipan-verify-DbMuA5NWw2/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2024-11-02 12:26:40,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-02 12:26:40,377 INFO L255 TraceCheckSpWp]: Trace formula consists of 342 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-02 12:26:40,382 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-02 12:26:40,445 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-11-02 12:26:40,445 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-02 12:26:40,446 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-02 12:26:40,446 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [480554014] [2024-11-02 12:26:40,446 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [480554014] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-02 12:26:40,446 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-02 12:26:40,446 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-02 12:26:40,447 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1843605519] [2024-11-02 12:26:40,447 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-02 12:26:40,447 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-02 12:26:40,448 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-02 12:26:40,450 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-02 12:26:40,451 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-02 12:26:40,451 INFO L87 Difference]: Start difference. First operand 113 states and 163 transitions. Second operand has 6 states, 6 states have (on average 11.333333333333334) internal successors, (68), 6 states have internal predecessors, (68), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-02 12:26:40,590 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-02 12:26:40,590 INFO L93 Difference]: Finished difference Result 226 states and 327 transitions. [2024-11-02 12:26:40,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-02 12:26:40,594 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.333333333333334) internal successors, (68), 6 states have internal predecessors, (68), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 165 [2024-11-02 12:26:40,595 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-02 12:26:40,596 INFO L225 Difference]: With dead ends: 226 [2024-11-02 12:26:40,596 INFO L226 Difference]: Without dead ends: 116 [2024-11-02 12:26:40,597 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 164 GetRequests, 160 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-02 12:26:40,602 INFO L432 NwaCegarLoop]: 152 mSDtfsCounter, 1 mSDsluCounter, 588 mSDsCounter, 0 mSdLazyCounter, 51 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 740 SdHoareTripleChecker+Invalid, 54 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 51 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-02 12:26:40,603 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 740 Invalid, 54 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 51 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-02 12:26:40,604 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116 states. [2024-11-02 12:26:40,617 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116 to 115. [2024-11-02 12:26:40,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 115 states, 93 states have (on average 1.3440860215053763) internal successors, (125), 93 states have internal predecessors, (125), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-02 12:26:40,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 165 transitions. [2024-11-02 12:26:40,622 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 165 transitions. Word has length 165 [2024-11-02 12:26:40,623 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-02 12:26:40,623 INFO L471 AbstractCegarLoop]: Abstraction has 115 states and 165 transitions. [2024-11-02 12:26:40,623 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.333333333333334) internal successors, (68), 6 states have internal predecessors, (68), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-02 12:26:40,626 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 165 transitions. [2024-11-02 12:26:40,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2024-11-02 12:26:40,629 INFO L207 NwaCegarLoop]: Found error trace [2024-11-02 12:26:40,629 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-02 12:26:40,647 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04abe7b5-e82e-4a89-891b-4cf5e1263a56/bin/utaipan-verify-DbMuA5NWw2/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Ended with exit code 0 [2024-11-02 12:26:40,835 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04abe7b5-e82e-4a89-891b-4cf5e1263a56/bin/utaipan-verify-DbMuA5NWw2/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 [2024-11-02 12:26:40,835 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-02 12:26:40,836 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 12:26:40,836 INFO L85 PathProgramCache]: Analyzing trace with hash 113311974, now seen corresponding path program 1 times [2024-11-02 12:26:40,837 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-02 12:26:40,837 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1931532210] [2024-11-02 12:26:40,837 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 12:26:40,837 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 [2024-11-02 12:26:40,837 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04abe7b5-e82e-4a89-891b-4cf5e1263a56/bin/utaipan-verify-DbMuA5NWw2/mathsat [2024-11-02 12:26:40,842 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04abe7b5-e82e-4a89-891b-4cf5e1263a56/bin/utaipan-verify-DbMuA5NWw2/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) [2024-11-02 12:26:40,843 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04abe7b5-e82e-4a89-891b-4cf5e1263a56/bin/utaipan-verify-DbMuA5NWw2/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 (5)] Waiting until timeout for monitored process [2024-11-02 12:26:41,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-02 12:26:41,445 INFO L255 TraceCheckSpWp]: Trace formula consists of 339 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-02 12:26:41,451 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-02 12:26:41,656 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 95 treesize of output 41 [2024-11-02 12:26:41,730 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 144 proven. 0 refuted. 0 times theorem prover too weak. 616 trivial. 0 not checked. [2024-11-02 12:26:41,731 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-02 12:26:41,731 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-02 12:26:41,731 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1931532210] [2024-11-02 12:26:41,731 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1931532210] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-02 12:26:41,731 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-02 12:26:41,732 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-02 12:26:41,732 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1255394125] [2024-11-02 12:26:41,732 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-02 12:26:41,733 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-02 12:26:41,733 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-02 12:26:41,734 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-02 12:26:41,734 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-02 12:26:41,734 INFO L87 Difference]: Start difference. First operand 115 states and 165 transitions. Second operand has 6 states, 6 states have (on average 11.833333333333334) internal successors, (71), 5 states have internal predecessors, (71), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2024-11-02 12:26:43,334 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-02 12:26:43,334 INFO L93 Difference]: Finished difference Result 228 states and 328 transitions. [2024-11-02 12:26:43,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-02 12:26:43,336 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.833333333333334) internal successors, (71), 5 states have internal predecessors, (71), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 165 [2024-11-02 12:26:43,336 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-02 12:26:43,337 INFO L225 Difference]: With dead ends: 228 [2024-11-02 12:26:43,337 INFO L226 Difference]: Without dead ends: 116 [2024-11-02 12:26:43,338 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 167 GetRequests, 160 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2024-11-02 12:26:43,339 INFO L432 NwaCegarLoop]: 138 mSDtfsCounter, 139 mSDsluCounter, 322 mSDsCounter, 0 mSdLazyCounter, 170 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 139 SdHoareTripleChecker+Valid, 460 SdHoareTripleChecker+Invalid, 171 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 170 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2024-11-02 12:26:43,339 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [139 Valid, 460 Invalid, 171 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 170 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-11-02 12:26:43,340 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116 states. [2024-11-02 12:26:43,353 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116 to 115. [2024-11-02 12:26:43,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 115 states, 93 states have (on average 1.3333333333333333) internal successors, (124), 93 states have internal predecessors, (124), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-02 12:26:43,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 164 transitions. [2024-11-02 12:26:43,357 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 164 transitions. Word has length 165 [2024-11-02 12:26:43,357 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-02 12:26:43,358 INFO L471 AbstractCegarLoop]: Abstraction has 115 states and 164 transitions. [2024-11-02 12:26:43,358 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.833333333333334) internal successors, (71), 5 states have internal predecessors, (71), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2024-11-02 12:26:43,358 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 164 transitions. [2024-11-02 12:26:43,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2024-11-02 12:26:43,361 INFO L207 NwaCegarLoop]: Found error trace [2024-11-02 12:26:43,362 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-02 12:26:43,374 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04abe7b5-e82e-4a89-891b-4cf5e1263a56/bin/utaipan-verify-DbMuA5NWw2/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 (5)] Ended with exit code 0 [2024-11-02 12:26:43,562 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04abe7b5-e82e-4a89-891b-4cf5e1263a56/bin/utaipan-verify-DbMuA5NWw2/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 [2024-11-02 12:26:43,563 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-02 12:26:43,563 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 12:26:43,563 INFO L85 PathProgramCache]: Analyzing trace with hash -709761824, now seen corresponding path program 1 times [2024-11-02 12:26:43,564 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-02 12:26:43,564 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1502813824] [2024-11-02 12:26:43,564 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 12:26:43,564 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 [2024-11-02 12:26:43,564 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04abe7b5-e82e-4a89-891b-4cf5e1263a56/bin/utaipan-verify-DbMuA5NWw2/mathsat [2024-11-02 12:26:43,565 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04abe7b5-e82e-4a89-891b-4cf5e1263a56/bin/utaipan-verify-DbMuA5NWw2/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) [2024-11-02 12:26:43,566 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04abe7b5-e82e-4a89-891b-4cf5e1263a56/bin/utaipan-verify-DbMuA5NWw2/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 (6)] Waiting until timeout for monitored process [2024-11-02 12:26:44,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-02 12:26:44,159 INFO L255 TraceCheckSpWp]: Trace formula consists of 345 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-02 12:26:44,166 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-02 12:26:44,358 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 95 treesize of output 41 [2024-11-02 12:26:44,400 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 204 proven. 0 refuted. 0 times theorem prover too weak. 556 trivial. 0 not checked. [2024-11-02 12:26:44,401 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-02 12:26:44,401 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-02 12:26:44,402 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1502813824] [2024-11-02 12:26:44,402 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1502813824] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-02 12:26:44,402 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-02 12:26:44,402 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-02 12:26:44,402 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1454550074] [2024-11-02 12:26:44,403 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-02 12:26:44,403 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-02 12:26:44,403 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-02 12:26:44,404 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-02 12:26:44,405 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-02 12:26:44,405 INFO L87 Difference]: Start difference. First operand 115 states and 164 transitions. Second operand has 6 states, 6 states have (on average 12.166666666666666) internal successors, (73), 5 states have internal predecessors, (73), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20)