./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-97.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e590d9d2-6d03-44ae-bf22-e91eb6e69035/bin/utaipan-verify-nQ1chXbOIh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e590d9d2-6d03-44ae-bf22-e91eb6e69035/bin/utaipan-verify-nQ1chXbOIh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e590d9d2-6d03-44ae-bf22-e91eb6e69035/bin/utaipan-verify-nQ1chXbOIh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e590d9d2-6d03-44ae-bf22-e91eb6e69035/bin/utaipan-verify-nQ1chXbOIh/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-97.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e590d9d2-6d03-44ae-bf22-e91eb6e69035/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e590d9d2-6d03-44ae-bf22-e91eb6e69035/bin/utaipan-verify-nQ1chXbOIh --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 7188c6f24541aba260187a36aa9df009a62318807d29ed8104d2cc5db8c5a63b --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 15:12:50,911 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 15:12:50,972 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e590d9d2-6d03-44ae-bf22-e91eb6e69035/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-12-02 15:12:50,976 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 15:12:50,977 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-02 15:12:51,000 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 15:12:51,000 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-02 15:12:51,001 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-02 15:12:51,001 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 15:12:51,002 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-02 15:12:51,002 INFO L153 SettingsManager]: * User list type=DISABLED [2023-12-02 15:12:51,003 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-12-02 15:12:51,003 INFO L153 SettingsManager]: * Explicit value domain=true [2023-12-02 15:12:51,004 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-12-02 15:12:51,004 INFO L153 SettingsManager]: * Octagon Domain=false [2023-12-02 15:12:51,005 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-12-02 15:12:51,005 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-12-02 15:12:51,006 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-12-02 15:12:51,006 INFO L153 SettingsManager]: * Interval Domain=false [2023-12-02 15:12:51,007 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-12-02 15:12:51,007 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-12-02 15:12:51,008 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-12-02 15:12:51,008 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 15:12:51,009 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 15:12:51,009 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 15:12:51,009 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 15:12:51,010 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 15:12:51,010 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 15:12:51,011 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 15:12:51,011 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 15:12:51,011 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 15:12:51,012 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 15:12:51,012 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 15:12:51,012 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 15:12:51,012 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 15:12:51,013 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-02 15:12:51,013 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-02 15:12:51,013 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 15:12:51,013 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 15:12:51,013 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 15:12:51,013 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 15:12:51,014 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-12-02 15:12:51,014 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 15:12:51,014 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-02 15:12:51,014 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 15:12:51,015 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-12-02 15:12:51,015 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 15:12:51,015 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_e590d9d2-6d03-44ae-bf22-e91eb6e69035/bin/utaipan-verify-nQ1chXbOIh/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e590d9d2-6d03-44ae-bf22-e91eb6e69035/bin/utaipan-verify-nQ1chXbOIh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7188c6f24541aba260187a36aa9df009a62318807d29ed8104d2cc5db8c5a63b [2023-12-02 15:12:51,251 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 15:12:51,271 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 15:12:51,273 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 15:12:51,275 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 15:12:51,275 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 15:12:51,276 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e590d9d2-6d03-44ae-bf22-e91eb6e69035/bin/utaipan-verify-nQ1chXbOIh/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-97.i [2023-12-02 15:12:54,013 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 15:12:54,192 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 15:12:54,193 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e590d9d2-6d03-44ae-bf22-e91eb6e69035/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-97.i [2023-12-02 15:12:54,202 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e590d9d2-6d03-44ae-bf22-e91eb6e69035/bin/utaipan-verify-nQ1chXbOIh/data/10dc976f5/bd61e5464f714fee9a943dcb83523f9a/FLAG6a55ebb5d [2023-12-02 15:12:54,213 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e590d9d2-6d03-44ae-bf22-e91eb6e69035/bin/utaipan-verify-nQ1chXbOIh/data/10dc976f5/bd61e5464f714fee9a943dcb83523f9a [2023-12-02 15:12:54,215 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 15:12:54,217 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 15:12:54,218 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 15:12:54,218 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 15:12:54,223 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 15:12:54,224 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 03:12:54" (1/1) ... [2023-12-02 15:12:54,225 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@762d401f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:12:54, skipping insertion in model container [2023-12-02 15:12:54,225 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 03:12:54" (1/1) ... [2023-12-02 15:12:54,251 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 15:12:54,368 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e590d9d2-6d03-44ae-bf22-e91eb6e69035/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-97.i[916,929] [2023-12-02 15:12:54,416 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 15:12:54,428 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 15:12:54,438 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e590d9d2-6d03-44ae-bf22-e91eb6e69035/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-97.i[916,929] [2023-12-02 15:12:54,468 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 15:12:54,488 INFO L206 MainTranslator]: Completed translation [2023-12-02 15:12:54,488 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:12:54 WrapperNode [2023-12-02 15:12:54,488 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 15:12:54,489 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 15:12:54,489 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 15:12:54,489 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 15:12:54,496 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:12:54" (1/1) ... [2023-12-02 15:12:54,507 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:12:54" (1/1) ... [2023-12-02 15:12:54,544 INFO L138 Inliner]: procedures = 29, calls = 159, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 427 [2023-12-02 15:12:54,544 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 15:12:54,545 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 15:12:54,545 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 15:12:54,545 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 15:12:54,555 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:12:54" (1/1) ... [2023-12-02 15:12:54,555 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:12:54" (1/1) ... [2023-12-02 15:12:54,561 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:12:54" (1/1) ... [2023-12-02 15:12:54,562 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:12:54" (1/1) ... [2023-12-02 15:12:54,576 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:12:54" (1/1) ... [2023-12-02 15:12:54,581 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:12:54" (1/1) ... [2023-12-02 15:12:54,585 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:12:54" (1/1) ... [2023-12-02 15:12:54,587 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:12:54" (1/1) ... [2023-12-02 15:12:54,592 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 15:12:54,593 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 15:12:54,593 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 15:12:54,594 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 15:12:54,594 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:12:54" (1/1) ... [2023-12-02 15:12:54,601 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 15:12:54,616 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e590d9d2-6d03-44ae-bf22-e91eb6e69035/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 15:12:54,627 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e590d9d2-6d03-44ae-bf22-e91eb6e69035/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-12-02 15:12:54,634 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e590d9d2-6d03-44ae-bf22-e91eb6e69035/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-12-02 15:12:54,662 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 15:12:54,662 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2023-12-02 15:12:54,663 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-12-02 15:12:54,663 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2023-12-02 15:12:54,663 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-12-02 15:12:54,663 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2023-12-02 15:12:54,663 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-02 15:12:54,663 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-02 15:12:54,664 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 15:12:54,664 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 15:12:54,664 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 15:12:54,786 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 15:12:54,787 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 15:12:55,192 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 15:12:55,642 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 15:12:55,642 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-02 15:12:55,644 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:12:55 BoogieIcfgContainer [2023-12-02 15:12:55,644 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 15:12:55,647 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-02 15:12:55,647 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-02 15:12:55,650 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-02 15:12:55,650 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 03:12:54" (1/3) ... [2023-12-02 15:12:55,651 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4a58e5f6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 03:12:55, skipping insertion in model container [2023-12-02 15:12:55,651 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:12:54" (2/3) ... [2023-12-02 15:12:55,652 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4a58e5f6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 03:12:55, skipping insertion in model container [2023-12-02 15:12:55,652 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:12:55" (3/3) ... [2023-12-02 15:12:55,653 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-p_file-97.i [2023-12-02 15:12:55,672 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-02 15:12:55,672 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-02 15:12:55,719 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-02 15:12:55,726 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@6daeff85, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-02 15:12:55,726 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-02 15:12:55,730 INFO L276 IsEmpty]: Start isEmpty. Operand has 43 states, 23 states have (on average 1.1304347826086956) internal successors, (26), 24 states have internal predecessors, (26), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2023-12-02 15:12:55,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2023-12-02 15:12:55,740 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 15:12:55,740 INFO L195 NwaCegarLoop]: trace histogram [17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 15:12:55,741 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 15:12:55,746 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 15:12:55,746 INFO L85 PathProgramCache]: Analyzing trace with hash 949567904, now seen corresponding path program 1 times [2023-12-02 15:12:55,782 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 15:12:55,782 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1404127846] [2023-12-02 15:12:55,783 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 15:12:55,783 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 15:13:00,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 15:13:00,274 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 15:13:03,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 15:13:03,456 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-12-02 15:13:03,458 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-12-02 15:13:03,459 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-02 15:13:03,461 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-12-02 15:13:03,465 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-12-02 15:13:03,469 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-12-02 15:13:03,536 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem33 could not be translated [2023-12-02 15:13:03,539 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem33 could not be translated [2023-12-02 15:13:03,540 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem34 could not be translated [2023-12-02 15:13:03,543 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem34 could not be translated [2023-12-02 15:13:03,544 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem36 could not be translated [2023-12-02 15:13:03,546 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem36 could not be translated [2023-12-02 15:13:03,547 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem37 could not be translated [2023-12-02 15:13:03,549 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem37 could not be translated [2023-12-02 15:13:03,550 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem39 could not be translated [2023-12-02 15:13:03,551 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem39 could not be translated [2023-12-02 15:13:03,552 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem40 could not be translated [2023-12-02 15:13:03,562 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem40 could not be translated [2023-12-02 15:13:03,563 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem42 could not be translated [2023-12-02 15:13:03,564 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem42 could not be translated [2023-12-02 15:13:03,565 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem43 could not be translated [2023-12-02 15:13:03,566 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem43 could not be translated [2023-12-02 15:13:03,566 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem45 could not be translated [2023-12-02 15:13:03,567 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem45 could not be translated [2023-12-02 15:13:03,568 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem46 could not be translated [2023-12-02 15:13:03,569 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem46 could not be translated [2023-12-02 15:13:03,569 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem48 could not be translated [2023-12-02 15:13:03,570 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem48 could not be translated [2023-12-02 15:13:03,571 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem49 could not be translated [2023-12-02 15:13:03,572 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem49 could not be translated [2023-12-02 15:13:03,572 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem51 could not be translated [2023-12-02 15:13:03,573 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem51 could not be translated [2023-12-02 15:13:03,573 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem52 could not be translated [2023-12-02 15:13:03,574 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem52 could not be translated [2023-12-02 15:13:03,575 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem54 could not be translated [2023-12-02 15:13:03,575 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem54 could not be translated [2023-12-02 15:13:03,576 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem55 could not be translated [2023-12-02 15:13:03,577 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem55 could not be translated [2023-12-02 15:13:03,577 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short62 could not be translated [2023-12-02 15:13:03,577 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem60 could not be translated [2023-12-02 15:13:03,577 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem57 could not be translated [2023-12-02 15:13:03,578 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short59 could not be translated [2023-12-02 15:13:03,578 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem58 could not be translated [2023-12-02 15:13:03,578 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem61 could not be translated [2023-12-02 15:13:03,578 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short63 could not be translated [2023-12-02 15:13:03,579 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short62 could not be translated [2023-12-02 15:13:03,579 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short59 could not be translated [2023-12-02 15:13:03,579 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem61 could not be translated [2023-12-02 15:13:03,580 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem60 could not be translated [2023-12-02 15:13:03,580 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem57 could not be translated [2023-12-02 15:13:03,580 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short63 could not be translated [2023-12-02 15:13:03,580 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem58 could not be translated [2023-12-02 15:13:03,604 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 03:13:03 BoogieIcfgContainer [2023-12-02 15:13:03,604 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-02 15:13:03,605 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-02 15:13:03,605 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-02 15:13:03,605 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-02 15:13:03,606 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:12:55" (3/4) ... [2023-12-02 15:13:03,608 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-02 15:13:03,609 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-02 15:13:03,610 INFO L158 Benchmark]: Toolchain (without parser) took 9393.02ms. Allocated memory was 157.3MB in the beginning and 608.2MB in the end (delta: 450.9MB). Free memory was 122.3MB in the beginning and 558.9MB in the end (delta: -436.6MB). Peak memory consumption was 16.0MB. Max. memory is 16.1GB. [2023-12-02 15:13:03,611 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 100.7MB. Free memory was 69.6MB in the beginning and 69.6MB in the end (delta: 29.9kB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 15:13:03,611 INFO L158 Benchmark]: CACSL2BoogieTranslator took 270.17ms. Allocated memory is still 157.3MB. Free memory was 122.3MB in the beginning and 108.6MB in the end (delta: 13.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-12-02 15:13:03,612 INFO L158 Benchmark]: Boogie Procedure Inliner took 55.23ms. Allocated memory is still 157.3MB. Free memory was 108.6MB in the beginning and 105.2MB in the end (delta: 3.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 15:13:03,613 INFO L158 Benchmark]: Boogie Preprocessor took 47.56ms. Allocated memory is still 157.3MB. Free memory was 105.2MB in the beginning and 102.3MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-12-02 15:13:03,613 INFO L158 Benchmark]: RCFGBuilder took 1050.77ms. Allocated memory is still 157.3MB. Free memory was 102.3MB in the beginning and 66.4MB in the end (delta: 35.9MB). Peak memory consumption was 53.8MB. Max. memory is 16.1GB. [2023-12-02 15:13:03,614 INFO L158 Benchmark]: TraceAbstraction took 7957.71ms. Allocated memory was 157.3MB in the beginning and 608.2MB in the end (delta: 450.9MB). Free memory was 66.1MB in the beginning and 558.9MB in the end (delta: -492.9MB). Peak memory consumption was 315.9MB. Max. memory is 16.1GB. [2023-12-02 15:13:03,614 INFO L158 Benchmark]: Witness Printer took 4.09ms. Allocated memory is still 608.2MB. Free memory is still 558.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 15:13:03,617 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 100.7MB. Free memory was 69.6MB in the beginning and 69.6MB in the end (delta: 29.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 270.17ms. Allocated memory is still 157.3MB. Free memory was 122.3MB in the beginning and 108.6MB in the end (delta: 13.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 55.23ms. Allocated memory is still 157.3MB. Free memory was 108.6MB in the beginning and 105.2MB in the end (delta: 3.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 47.56ms. Allocated memory is still 157.3MB. Free memory was 105.2MB in the beginning and 102.3MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1050.77ms. Allocated memory is still 157.3MB. Free memory was 102.3MB in the beginning and 66.4MB in the end (delta: 35.9MB). Peak memory consumption was 53.8MB. Max. memory is 16.1GB. * TraceAbstraction took 7957.71ms. Allocated memory was 157.3MB in the beginning and 608.2MB in the end (delta: 450.9MB). Free memory was 66.1MB in the beginning and 558.9MB in the end (delta: -492.9MB). Peak memory consumption was 315.9MB. Max. memory is 16.1GB. * Witness Printer took 4.09ms. Allocated memory is still 608.2MB. Free memory is still 558.9MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem33 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem33 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem34 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem34 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem36 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem36 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem37 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem37 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem39 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem39 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem40 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem40 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem42 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem42 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem43 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem43 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem45 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem45 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem46 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem46 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem48 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem48 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem49 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem49 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem51 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem51 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem52 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem52 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem54 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem54 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem55 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem55 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short62 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem60 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem57 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short59 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem58 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem61 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short63 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short62 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short59 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem61 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem60 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem57 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short63 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem58 could not be translated - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * 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 58, overapproximation of bitwiseOr at line 66. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed short int var_1_1 = 16; [L23] signed short int* var_1_1_Pointer = &(var_1_1); [L24] signed short int var_1_7 = 32; [L25] signed short int* var_1_7_Pointer = &(var_1_7); [L26] signed short int var_1_8 = 20113; [L27] signed short int* var_1_8_Pointer = &(var_1_8); [L28] signed short int var_1_9 = 100; [L29] signed short int* var_1_9_Pointer = &(var_1_9); [L30] signed char var_1_10 = 100; [L31] signed char* var_1_10_Pointer = &(var_1_10); [L32] signed char var_1_11 = -1; [L33] signed char* var_1_11_Pointer = &(var_1_11); [L34] signed char var_1_12 = 16; [L35] signed char* var_1_12_Pointer = &(var_1_12); [L36] unsigned char var_1_13 = 1; [L37] unsigned char* var_1_13_Pointer = &(var_1_13); [L38] unsigned char var_1_15 = 0; [L39] unsigned char* var_1_15_Pointer = &(var_1_15); [L40] unsigned char var_1_16 = 1; [L41] unsigned char* var_1_16_Pointer = &(var_1_16); [L42] unsigned short int var_1_18 = 10; [L43] unsigned short int* var_1_18_Pointer = &(var_1_18); [L44] unsigned short int var_1_19 = 256; [L45] unsigned short int* var_1_19_Pointer = &(var_1_19); [L46] float var_1_20 = 32.5; [L47] float* var_1_20_Pointer = &(var_1_20); [L48] float var_1_21 = 127.4; [L49] float* var_1_21_Pointer = &(var_1_21); [L50] signed short int var_1_22 = 128; [L51] signed short int* var_1_22_Pointer = &(var_1_22); [L119] isInitial = 1 [L120] FCALL initially() [L121] COND TRUE 1 [L122] FCALL updateLastVariables() [L123] CALL updateVariables() [L85] var_1_7 = __VERIFIER_nondet_short() [L86] EXPR \read(var_1_7) VAL [isInitial=1, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_11={9:0}, var_1_11_Pointer={9:0}, var_1_12={10:0}, var_1_12_Pointer={10:0}, var_1_13={11:0}, var_1_13_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_16={13:0}, var_1_16_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_19={15:0}, var_1_19_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={16:0}, var_1_20_Pointer={16:0}, var_1_21={17:0}, var_1_21_Pointer={17:0}, var_1_22={18:0}, var_1_22_Pointer={18:0}, var_1_7={5:0}, var_1_7_Pointer={5:0}, var_1_8={6:0}, var_1_8_Pointer={6:0}, var_1_9={7:0}, var_1_9_Pointer={7:0}] [L86] CALL assume_abort_if_not(var_1_7 >= -1) VAL [\old(cond)=1, isInitial=1, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_11={9:0}, var_1_11_Pointer={9:0}, var_1_12={10:0}, var_1_12_Pointer={10:0}, var_1_13={11:0}, var_1_13_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_16={13:0}, var_1_16_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_19={15:0}, var_1_19_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={16:0}, var_1_20_Pointer={16:0}, var_1_21={17:0}, var_1_21_Pointer={17:0}, var_1_22={18:0}, var_1_22_Pointer={18:0}, var_1_7={5:0}, var_1_7_Pointer={5:0}, var_1_8={6:0}, var_1_8_Pointer={6:0}, var_1_9={7:0}, var_1_9_Pointer={7:0}] [L20] COND FALSE !(!cond) [L86] RET assume_abort_if_not(var_1_7 >= -1) VAL [isInitial=1, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_11={9:0}, var_1_11_Pointer={9:0}, var_1_12={10:0}, var_1_12_Pointer={10:0}, var_1_13={11:0}, var_1_13_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_16={13:0}, var_1_16_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_19={15:0}, var_1_19_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={16:0}, var_1_20_Pointer={16:0}, var_1_21={17:0}, var_1_21_Pointer={17:0}, var_1_22={18:0}, var_1_22_Pointer={18:0}, var_1_7={5:0}, var_1_7_Pointer={5:0}, var_1_8={6:0}, var_1_8_Pointer={6:0}, var_1_9={7:0}, var_1_9_Pointer={7:0}] [L87] EXPR \read(var_1_7) VAL [isInitial=1, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_11={9:0}, var_1_11_Pointer={9:0}, var_1_12={10:0}, var_1_12_Pointer={10:0}, var_1_13={11:0}, var_1_13_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_16={13:0}, var_1_16_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_19={15:0}, var_1_19_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={16:0}, var_1_20_Pointer={16:0}, var_1_21={17:0}, var_1_21_Pointer={17:0}, var_1_22={18:0}, var_1_22_Pointer={18:0}, var_1_7={5:0}, var_1_7_Pointer={5:0}, var_1_8={6:0}, var_1_8_Pointer={6:0}, var_1_9={7:0}, var_1_9_Pointer={7:0}] [L87] CALL assume_abort_if_not(var_1_7 <= 32766) VAL [\old(cond)=1, isInitial=1, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_11={9:0}, var_1_11_Pointer={9:0}, var_1_12={10:0}, var_1_12_Pointer={10:0}, var_1_13={11:0}, var_1_13_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_16={13:0}, var_1_16_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_19={15:0}, var_1_19_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={16:0}, var_1_20_Pointer={16:0}, var_1_21={17:0}, var_1_21_Pointer={17:0}, var_1_22={18:0}, var_1_22_Pointer={18:0}, var_1_7={5:0}, var_1_7_Pointer={5:0}, var_1_8={6:0}, var_1_8_Pointer={6:0}, var_1_9={7:0}, var_1_9_Pointer={7:0}] [L20] COND FALSE !(!cond) [L87] RET assume_abort_if_not(var_1_7 <= 32766) VAL [isInitial=1, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_11={9:0}, var_1_11_Pointer={9:0}, var_1_12={10:0}, var_1_12_Pointer={10:0}, var_1_13={11:0}, var_1_13_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_16={13:0}, var_1_16_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_19={15:0}, var_1_19_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={16:0}, var_1_20_Pointer={16:0}, var_1_21={17:0}, var_1_21_Pointer={17:0}, var_1_22={18:0}, var_1_22_Pointer={18:0}, var_1_7={5:0}, var_1_7_Pointer={5:0}, var_1_8={6:0}, var_1_8_Pointer={6:0}, var_1_9={7:0}, var_1_9_Pointer={7:0}] [L88] var_1_8 = __VERIFIER_nondet_short() [L89] EXPR \read(var_1_8) VAL [isInitial=1, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_11={9:0}, var_1_11_Pointer={9:0}, var_1_12={10:0}, var_1_12_Pointer={10:0}, var_1_13={11:0}, var_1_13_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_16={13:0}, var_1_16_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_19={15:0}, var_1_19_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={16:0}, var_1_20_Pointer={16:0}, var_1_21={17:0}, var_1_21_Pointer={17:0}, var_1_22={18:0}, var_1_22_Pointer={18:0}, var_1_7={5:0}, var_1_7_Pointer={5:0}, var_1_8={6:0}, var_1_8_Pointer={6:0}, var_1_9={7:0}, var_1_9_Pointer={7:0}] [L89] CALL assume_abort_if_not(var_1_8 >= 16383) VAL [\old(cond)=1, isInitial=1, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_11={9:0}, var_1_11_Pointer={9:0}, var_1_12={10:0}, var_1_12_Pointer={10:0}, var_1_13={11:0}, var_1_13_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_16={13:0}, var_1_16_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_19={15:0}, var_1_19_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={16:0}, var_1_20_Pointer={16:0}, var_1_21={17:0}, var_1_21_Pointer={17:0}, var_1_22={18:0}, var_1_22_Pointer={18:0}, var_1_7={5:0}, var_1_7_Pointer={5:0}, var_1_8={6:0}, var_1_8_Pointer={6:0}, var_1_9={7:0}, var_1_9_Pointer={7:0}] [L20] COND FALSE !(!cond) [L89] RET assume_abort_if_not(var_1_8 >= 16383) VAL [isInitial=1, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_11={9:0}, var_1_11_Pointer={9:0}, var_1_12={10:0}, var_1_12_Pointer={10:0}, var_1_13={11:0}, var_1_13_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_16={13:0}, var_1_16_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_19={15:0}, var_1_19_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={16:0}, var_1_20_Pointer={16:0}, var_1_21={17:0}, var_1_21_Pointer={17:0}, var_1_22={18:0}, var_1_22_Pointer={18:0}, var_1_7={5:0}, var_1_7_Pointer={5:0}, var_1_8={6:0}, var_1_8_Pointer={6:0}, var_1_9={7:0}, var_1_9_Pointer={7:0}] [L90] EXPR \read(var_1_8) VAL [isInitial=1, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_11={9:0}, var_1_11_Pointer={9:0}, var_1_12={10:0}, var_1_12_Pointer={10:0}, var_1_13={11:0}, var_1_13_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_16={13:0}, var_1_16_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_19={15:0}, var_1_19_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={16:0}, var_1_20_Pointer={16:0}, var_1_21={17:0}, var_1_21_Pointer={17:0}, var_1_22={18:0}, var_1_22_Pointer={18:0}, var_1_7={5:0}, var_1_7_Pointer={5:0}, var_1_8={6:0}, var_1_8_Pointer={6:0}, var_1_9={7:0}, var_1_9_Pointer={7:0}] [L90] CALL assume_abort_if_not(var_1_8 <= 32766) VAL [\old(cond)=1, isInitial=1, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_11={9:0}, var_1_11_Pointer={9:0}, var_1_12={10:0}, var_1_12_Pointer={10:0}, var_1_13={11:0}, var_1_13_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_16={13:0}, var_1_16_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_19={15:0}, var_1_19_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={16:0}, var_1_20_Pointer={16:0}, var_1_21={17:0}, var_1_21_Pointer={17:0}, var_1_22={18:0}, var_1_22_Pointer={18:0}, var_1_7={5:0}, var_1_7_Pointer={5:0}, var_1_8={6:0}, var_1_8_Pointer={6:0}, var_1_9={7:0}, var_1_9_Pointer={7:0}] [L20] COND FALSE !(!cond) [L90] RET assume_abort_if_not(var_1_8 <= 32766) VAL [isInitial=1, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_11={9:0}, var_1_11_Pointer={9:0}, var_1_12={10:0}, var_1_12_Pointer={10:0}, var_1_13={11:0}, var_1_13_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_16={13:0}, var_1_16_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_19={15:0}, var_1_19_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={16:0}, var_1_20_Pointer={16:0}, var_1_21={17:0}, var_1_21_Pointer={17:0}, var_1_22={18:0}, var_1_22_Pointer={18:0}, var_1_7={5:0}, var_1_7_Pointer={5:0}, var_1_8={6:0}, var_1_8_Pointer={6:0}, var_1_9={7:0}, var_1_9_Pointer={7:0}] [L91] var_1_9 = __VERIFIER_nondet_short() [L92] EXPR \read(var_1_9) VAL [isInitial=1, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_11={9:0}, var_1_11_Pointer={9:0}, var_1_12={10:0}, var_1_12_Pointer={10:0}, var_1_13={11:0}, var_1_13_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_16={13:0}, var_1_16_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_19={15:0}, var_1_19_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={16:0}, var_1_20_Pointer={16:0}, var_1_21={17:0}, var_1_21_Pointer={17:0}, var_1_22={18:0}, var_1_22_Pointer={18:0}, var_1_7={5:0}, var_1_7_Pointer={5:0}, var_1_8={6:0}, var_1_8_Pointer={6:0}, var_1_9={7:0}, var_1_9_Pointer={7:0}] [L92] CALL assume_abort_if_not(var_1_9 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_11={9:0}, var_1_11_Pointer={9:0}, var_1_12={10:0}, var_1_12_Pointer={10:0}, var_1_13={11:0}, var_1_13_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_16={13:0}, var_1_16_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_19={15:0}, var_1_19_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={16:0}, var_1_20_Pointer={16:0}, var_1_21={17:0}, var_1_21_Pointer={17:0}, var_1_22={18:0}, var_1_22_Pointer={18:0}, var_1_7={5:0}, var_1_7_Pointer={5:0}, var_1_8={6:0}, var_1_8_Pointer={6:0}, var_1_9={7:0}, var_1_9_Pointer={7:0}] [L20] COND FALSE !(!cond) [L92] RET assume_abort_if_not(var_1_9 >= 0) VAL [isInitial=1, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_11={9:0}, var_1_11_Pointer={9:0}, var_1_12={10:0}, var_1_12_Pointer={10:0}, var_1_13={11:0}, var_1_13_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_16={13:0}, var_1_16_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_19={15:0}, var_1_19_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={16:0}, var_1_20_Pointer={16:0}, var_1_21={17:0}, var_1_21_Pointer={17:0}, var_1_22={18:0}, var_1_22_Pointer={18:0}, var_1_7={5:0}, var_1_7_Pointer={5:0}, var_1_8={6:0}, var_1_8_Pointer={6:0}, var_1_9={7:0}, var_1_9_Pointer={7:0}] [L93] EXPR \read(var_1_9) VAL [isInitial=1, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_11={9:0}, var_1_11_Pointer={9:0}, var_1_12={10:0}, var_1_12_Pointer={10:0}, var_1_13={11:0}, var_1_13_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_16={13:0}, var_1_16_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_19={15:0}, var_1_19_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={16:0}, var_1_20_Pointer={16:0}, var_1_21={17:0}, var_1_21_Pointer={17:0}, var_1_22={18:0}, var_1_22_Pointer={18:0}, var_1_7={5:0}, var_1_7_Pointer={5:0}, var_1_8={6:0}, var_1_8_Pointer={6:0}, var_1_9={7:0}, var_1_9_Pointer={7:0}] [L93] CALL assume_abort_if_not(var_1_9 <= 16383) VAL [\old(cond)=1, isInitial=1, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_11={9:0}, var_1_11_Pointer={9:0}, var_1_12={10:0}, var_1_12_Pointer={10:0}, var_1_13={11:0}, var_1_13_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_16={13:0}, var_1_16_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_19={15:0}, var_1_19_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={16:0}, var_1_20_Pointer={16:0}, var_1_21={17:0}, var_1_21_Pointer={17:0}, var_1_22={18:0}, var_1_22_Pointer={18:0}, var_1_7={5:0}, var_1_7_Pointer={5:0}, var_1_8={6:0}, var_1_8_Pointer={6:0}, var_1_9={7:0}, var_1_9_Pointer={7:0}] [L20] COND FALSE !(!cond) [L93] RET assume_abort_if_not(var_1_9 <= 16383) VAL [isInitial=1, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_11={9:0}, var_1_11_Pointer={9:0}, var_1_12={10:0}, var_1_12_Pointer={10:0}, var_1_13={11:0}, var_1_13_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_16={13:0}, var_1_16_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_19={15:0}, var_1_19_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={16:0}, var_1_20_Pointer={16:0}, var_1_21={17:0}, var_1_21_Pointer={17:0}, var_1_22={18:0}, var_1_22_Pointer={18:0}, var_1_7={5:0}, var_1_7_Pointer={5:0}, var_1_8={6:0}, var_1_8_Pointer={6:0}, var_1_9={7:0}, var_1_9_Pointer={7:0}] [L94] var_1_11 = __VERIFIER_nondet_char() [L95] EXPR \read(var_1_11) VAL [isInitial=1, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_11={9:0}, var_1_11_Pointer={9:0}, var_1_12={10:0}, var_1_12_Pointer={10:0}, var_1_13={11:0}, var_1_13_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_16={13:0}, var_1_16_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_19={15:0}, var_1_19_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={16:0}, var_1_20_Pointer={16:0}, var_1_21={17:0}, var_1_21_Pointer={17:0}, var_1_22={18:0}, var_1_22_Pointer={18:0}, var_1_7={5:0}, var_1_7_Pointer={5:0}, var_1_8={6:0}, var_1_8_Pointer={6:0}, var_1_9={7:0}, var_1_9_Pointer={7:0}] [L95] CALL assume_abort_if_not(var_1_11 >= -63) VAL [\old(cond)=1, isInitial=1, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_11={9:0}, var_1_11_Pointer={9:0}, var_1_12={10:0}, var_1_12_Pointer={10:0}, var_1_13={11:0}, var_1_13_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_16={13:0}, var_1_16_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_19={15:0}, var_1_19_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={16:0}, var_1_20_Pointer={16:0}, var_1_21={17:0}, var_1_21_Pointer={17:0}, var_1_22={18:0}, var_1_22_Pointer={18:0}, var_1_7={5:0}, var_1_7_Pointer={5:0}, var_1_8={6:0}, var_1_8_Pointer={6:0}, var_1_9={7:0}, var_1_9_Pointer={7:0}] [L20] COND FALSE !(!cond) [L95] RET assume_abort_if_not(var_1_11 >= -63) VAL [isInitial=1, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_11={9:0}, var_1_11_Pointer={9:0}, var_1_12={10:0}, var_1_12_Pointer={10:0}, var_1_13={11:0}, var_1_13_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_16={13:0}, var_1_16_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_19={15:0}, var_1_19_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={16:0}, var_1_20_Pointer={16:0}, var_1_21={17:0}, var_1_21_Pointer={17:0}, var_1_22={18:0}, var_1_22_Pointer={18:0}, var_1_7={5:0}, var_1_7_Pointer={5:0}, var_1_8={6:0}, var_1_8_Pointer={6:0}, var_1_9={7:0}, var_1_9_Pointer={7:0}] [L96] EXPR \read(var_1_11) VAL [isInitial=1, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_11={9:0}, var_1_11_Pointer={9:0}, var_1_12={10:0}, var_1_12_Pointer={10:0}, var_1_13={11:0}, var_1_13_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_16={13:0}, var_1_16_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_19={15:0}, var_1_19_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={16:0}, var_1_20_Pointer={16:0}, var_1_21={17:0}, var_1_21_Pointer={17:0}, var_1_22={18:0}, var_1_22_Pointer={18:0}, var_1_7={5:0}, var_1_7_Pointer={5:0}, var_1_8={6:0}, var_1_8_Pointer={6:0}, var_1_9={7:0}, var_1_9_Pointer={7:0}] [L96] CALL assume_abort_if_not(var_1_11 <= 63) VAL [\old(cond)=1, isInitial=1, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_11={9:0}, var_1_11_Pointer={9:0}, var_1_12={10:0}, var_1_12_Pointer={10:0}, var_1_13={11:0}, var_1_13_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_16={13:0}, var_1_16_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_19={15:0}, var_1_19_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={16:0}, var_1_20_Pointer={16:0}, var_1_21={17:0}, var_1_21_Pointer={17:0}, var_1_22={18:0}, var_1_22_Pointer={18:0}, var_1_7={5:0}, var_1_7_Pointer={5:0}, var_1_8={6:0}, var_1_8_Pointer={6:0}, var_1_9={7:0}, var_1_9_Pointer={7:0}] [L20] COND FALSE !(!cond) [L96] RET assume_abort_if_not(var_1_11 <= 63) VAL [isInitial=1, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_11={9:0}, var_1_11_Pointer={9:0}, var_1_12={10:0}, var_1_12_Pointer={10:0}, var_1_13={11:0}, var_1_13_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_16={13:0}, var_1_16_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_19={15:0}, var_1_19_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={16:0}, var_1_20_Pointer={16:0}, var_1_21={17:0}, var_1_21_Pointer={17:0}, var_1_22={18:0}, var_1_22_Pointer={18:0}, var_1_7={5:0}, var_1_7_Pointer={5:0}, var_1_8={6:0}, var_1_8_Pointer={6:0}, var_1_9={7:0}, var_1_9_Pointer={7:0}] [L97] var_1_12 = __VERIFIER_nondet_char() [L98] EXPR \read(var_1_12) VAL [isInitial=1, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_11={9:0}, var_1_11_Pointer={9:0}, var_1_12={10:0}, var_1_12_Pointer={10:0}, var_1_13={11:0}, var_1_13_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_16={13:0}, var_1_16_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_19={15:0}, var_1_19_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={16:0}, var_1_20_Pointer={16:0}, var_1_21={17:0}, var_1_21_Pointer={17:0}, var_1_22={18:0}, var_1_22_Pointer={18:0}, var_1_7={5:0}, var_1_7_Pointer={5:0}, var_1_8={6:0}, var_1_8_Pointer={6:0}, var_1_9={7:0}, var_1_9_Pointer={7:0}] [L98] CALL assume_abort_if_not(var_1_12 >= -31) VAL [\old(cond)=1, isInitial=1, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_11={9:0}, var_1_11_Pointer={9:0}, var_1_12={10:0}, var_1_12_Pointer={10:0}, var_1_13={11:0}, var_1_13_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_16={13:0}, var_1_16_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_19={15:0}, var_1_19_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={16:0}, var_1_20_Pointer={16:0}, var_1_21={17:0}, var_1_21_Pointer={17:0}, var_1_22={18:0}, var_1_22_Pointer={18:0}, var_1_7={5:0}, var_1_7_Pointer={5:0}, var_1_8={6:0}, var_1_8_Pointer={6:0}, var_1_9={7:0}, var_1_9_Pointer={7:0}] [L20] COND FALSE !(!cond) [L98] RET assume_abort_if_not(var_1_12 >= -31) VAL [isInitial=1, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_11={9:0}, var_1_11_Pointer={9:0}, var_1_12={10:0}, var_1_12_Pointer={10:0}, var_1_13={11:0}, var_1_13_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_16={13:0}, var_1_16_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_19={15:0}, var_1_19_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={16:0}, var_1_20_Pointer={16:0}, var_1_21={17:0}, var_1_21_Pointer={17:0}, var_1_22={18:0}, var_1_22_Pointer={18:0}, var_1_7={5:0}, var_1_7_Pointer={5:0}, var_1_8={6:0}, var_1_8_Pointer={6:0}, var_1_9={7:0}, var_1_9_Pointer={7:0}] [L99] EXPR \read(var_1_12) VAL [isInitial=1, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_11={9:0}, var_1_11_Pointer={9:0}, var_1_12={10:0}, var_1_12_Pointer={10:0}, var_1_13={11:0}, var_1_13_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_16={13:0}, var_1_16_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_19={15:0}, var_1_19_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={16:0}, var_1_20_Pointer={16:0}, var_1_21={17:0}, var_1_21_Pointer={17:0}, var_1_22={18:0}, var_1_22_Pointer={18:0}, var_1_7={5:0}, var_1_7_Pointer={5:0}, var_1_8={6:0}, var_1_8_Pointer={6:0}, var_1_9={7:0}, var_1_9_Pointer={7:0}] [L99] CALL assume_abort_if_not(var_1_12 <= 32) VAL [\old(cond)=1, isInitial=1, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_11={9:0}, var_1_11_Pointer={9:0}, var_1_12={10:0}, var_1_12_Pointer={10:0}, var_1_13={11:0}, var_1_13_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_16={13:0}, var_1_16_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_19={15:0}, var_1_19_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={16:0}, var_1_20_Pointer={16:0}, var_1_21={17:0}, var_1_21_Pointer={17:0}, var_1_22={18:0}, var_1_22_Pointer={18:0}, var_1_7={5:0}, var_1_7_Pointer={5:0}, var_1_8={6:0}, var_1_8_Pointer={6:0}, var_1_9={7:0}, var_1_9_Pointer={7:0}] [L20] COND FALSE !(!cond) [L99] RET assume_abort_if_not(var_1_12 <= 32) VAL [isInitial=1, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_11={9:0}, var_1_11_Pointer={9:0}, var_1_12={10:0}, var_1_12_Pointer={10:0}, var_1_13={11:0}, var_1_13_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_16={13:0}, var_1_16_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_19={15:0}, var_1_19_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={16:0}, var_1_20_Pointer={16:0}, var_1_21={17:0}, var_1_21_Pointer={17:0}, var_1_22={18:0}, var_1_22_Pointer={18:0}, var_1_7={5:0}, var_1_7_Pointer={5:0}, var_1_8={6:0}, var_1_8_Pointer={6:0}, var_1_9={7:0}, var_1_9_Pointer={7:0}] [L100] var_1_15 = __VERIFIER_nondet_uchar() [L101] EXPR \read(var_1_15) VAL [isInitial=1, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_11={9:0}, var_1_11_Pointer={9:0}, var_1_12={10:0}, var_1_12_Pointer={10:0}, var_1_13={11:0}, var_1_13_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_16={13:0}, var_1_16_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_19={15:0}, var_1_19_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={16:0}, var_1_20_Pointer={16:0}, var_1_21={17:0}, var_1_21_Pointer={17:0}, var_1_22={18:0}, var_1_22_Pointer={18:0}, var_1_7={5:0}, var_1_7_Pointer={5:0}, var_1_8={6:0}, var_1_8_Pointer={6:0}, var_1_9={7:0}, var_1_9_Pointer={7:0}] [L101] CALL assume_abort_if_not(var_1_15 >= 1) VAL [\old(cond)=1, isInitial=1, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_11={9:0}, var_1_11_Pointer={9:0}, var_1_12={10:0}, var_1_12_Pointer={10:0}, var_1_13={11:0}, var_1_13_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_16={13:0}, var_1_16_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_19={15:0}, var_1_19_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={16:0}, var_1_20_Pointer={16:0}, var_1_21={17:0}, var_1_21_Pointer={17:0}, var_1_22={18:0}, var_1_22_Pointer={18:0}, var_1_7={5:0}, var_1_7_Pointer={5:0}, var_1_8={6:0}, var_1_8_Pointer={6:0}, var_1_9={7:0}, var_1_9_Pointer={7:0}] [L20] COND FALSE !(!cond) [L101] RET assume_abort_if_not(var_1_15 >= 1) VAL [isInitial=1, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_11={9:0}, var_1_11_Pointer={9:0}, var_1_12={10:0}, var_1_12_Pointer={10:0}, var_1_13={11:0}, var_1_13_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_16={13:0}, var_1_16_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_19={15:0}, var_1_19_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={16:0}, var_1_20_Pointer={16:0}, var_1_21={17:0}, var_1_21_Pointer={17:0}, var_1_22={18:0}, var_1_22_Pointer={18:0}, var_1_7={5:0}, var_1_7_Pointer={5:0}, var_1_8={6:0}, var_1_8_Pointer={6:0}, var_1_9={7:0}, var_1_9_Pointer={7:0}] [L102] EXPR \read(var_1_15) VAL [isInitial=1, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_11={9:0}, var_1_11_Pointer={9:0}, var_1_12={10:0}, var_1_12_Pointer={10:0}, var_1_13={11:0}, var_1_13_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_16={13:0}, var_1_16_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_19={15:0}, var_1_19_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={16:0}, var_1_20_Pointer={16:0}, var_1_21={17:0}, var_1_21_Pointer={17:0}, var_1_22={18:0}, var_1_22_Pointer={18:0}, var_1_7={5:0}, var_1_7_Pointer={5:0}, var_1_8={6:0}, var_1_8_Pointer={6:0}, var_1_9={7:0}, var_1_9_Pointer={7:0}] [L102] CALL assume_abort_if_not(var_1_15 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_11={9:0}, var_1_11_Pointer={9:0}, var_1_12={10:0}, var_1_12_Pointer={10:0}, var_1_13={11:0}, var_1_13_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_16={13:0}, var_1_16_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_19={15:0}, var_1_19_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={16:0}, var_1_20_Pointer={16:0}, var_1_21={17:0}, var_1_21_Pointer={17:0}, var_1_22={18:0}, var_1_22_Pointer={18:0}, var_1_7={5:0}, var_1_7_Pointer={5:0}, var_1_8={6:0}, var_1_8_Pointer={6:0}, var_1_9={7:0}, var_1_9_Pointer={7:0}] [L20] COND FALSE !(!cond) [L102] RET assume_abort_if_not(var_1_15 <= 1) VAL [isInitial=1, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_11={9:0}, var_1_11_Pointer={9:0}, var_1_12={10:0}, var_1_12_Pointer={10:0}, var_1_13={11:0}, var_1_13_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_16={13:0}, var_1_16_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_19={15:0}, var_1_19_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={16:0}, var_1_20_Pointer={16:0}, var_1_21={17:0}, var_1_21_Pointer={17:0}, var_1_22={18:0}, var_1_22_Pointer={18:0}, var_1_7={5:0}, var_1_7_Pointer={5:0}, var_1_8={6:0}, var_1_8_Pointer={6:0}, var_1_9={7:0}, var_1_9_Pointer={7:0}] [L103] var_1_16 = __VERIFIER_nondet_uchar() [L104] EXPR \read(var_1_16) VAL [isInitial=1, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_11={9:0}, var_1_11_Pointer={9:0}, var_1_12={10:0}, var_1_12_Pointer={10:0}, var_1_13={11:0}, var_1_13_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_16={13:0}, var_1_16_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_19={15:0}, var_1_19_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={16:0}, var_1_20_Pointer={16:0}, var_1_21={17:0}, var_1_21_Pointer={17:0}, var_1_22={18:0}, var_1_22_Pointer={18:0}, var_1_7={5:0}, var_1_7_Pointer={5:0}, var_1_8={6:0}, var_1_8_Pointer={6:0}, var_1_9={7:0}, var_1_9_Pointer={7:0}] [L104] CALL assume_abort_if_not(var_1_16 >= 1) VAL [\old(cond)=1, isInitial=1, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_11={9:0}, var_1_11_Pointer={9:0}, var_1_12={10:0}, var_1_12_Pointer={10:0}, var_1_13={11:0}, var_1_13_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_16={13:0}, var_1_16_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_19={15:0}, var_1_19_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={16:0}, var_1_20_Pointer={16:0}, var_1_21={17:0}, var_1_21_Pointer={17:0}, var_1_22={18:0}, var_1_22_Pointer={18:0}, var_1_7={5:0}, var_1_7_Pointer={5:0}, var_1_8={6:0}, var_1_8_Pointer={6:0}, var_1_9={7:0}, var_1_9_Pointer={7:0}] [L20] COND FALSE !(!cond) [L104] RET assume_abort_if_not(var_1_16 >= 1) VAL [isInitial=1, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_11={9:0}, var_1_11_Pointer={9:0}, var_1_12={10:0}, var_1_12_Pointer={10:0}, var_1_13={11:0}, var_1_13_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_16={13:0}, var_1_16_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_19={15:0}, var_1_19_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={16:0}, var_1_20_Pointer={16:0}, var_1_21={17:0}, var_1_21_Pointer={17:0}, var_1_22={18:0}, var_1_22_Pointer={18:0}, var_1_7={5:0}, var_1_7_Pointer={5:0}, var_1_8={6:0}, var_1_8_Pointer={6:0}, var_1_9={7:0}, var_1_9_Pointer={7:0}] [L105] EXPR \read(var_1_16) VAL [isInitial=1, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_11={9:0}, var_1_11_Pointer={9:0}, var_1_12={10:0}, var_1_12_Pointer={10:0}, var_1_13={11:0}, var_1_13_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_16={13:0}, var_1_16_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_19={15:0}, var_1_19_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={16:0}, var_1_20_Pointer={16:0}, var_1_21={17:0}, var_1_21_Pointer={17:0}, var_1_22={18:0}, var_1_22_Pointer={18:0}, var_1_7={5:0}, var_1_7_Pointer={5:0}, var_1_8={6:0}, var_1_8_Pointer={6:0}, var_1_9={7:0}, var_1_9_Pointer={7:0}] [L105] CALL assume_abort_if_not(var_1_16 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_11={9:0}, var_1_11_Pointer={9:0}, var_1_12={10:0}, var_1_12_Pointer={10:0}, var_1_13={11:0}, var_1_13_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_16={13:0}, var_1_16_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_19={15:0}, var_1_19_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={16:0}, var_1_20_Pointer={16:0}, var_1_21={17:0}, var_1_21_Pointer={17:0}, var_1_22={18:0}, var_1_22_Pointer={18:0}, var_1_7={5:0}, var_1_7_Pointer={5:0}, var_1_8={6:0}, var_1_8_Pointer={6:0}, var_1_9={7:0}, var_1_9_Pointer={7:0}] [L20] COND FALSE !(!cond) [L105] RET assume_abort_if_not(var_1_16 <= 1) VAL [isInitial=1, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_11={9:0}, var_1_11_Pointer={9:0}, var_1_12={10:0}, var_1_12_Pointer={10:0}, var_1_13={11:0}, var_1_13_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_16={13:0}, var_1_16_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_19={15:0}, var_1_19_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={16:0}, var_1_20_Pointer={16:0}, var_1_21={17:0}, var_1_21_Pointer={17:0}, var_1_22={18:0}, var_1_22_Pointer={18:0}, var_1_7={5:0}, var_1_7_Pointer={5:0}, var_1_8={6:0}, var_1_8_Pointer={6:0}, var_1_9={7:0}, var_1_9_Pointer={7:0}] [L106] var_1_19 = __VERIFIER_nondet_ushort() [L107] EXPR \read(var_1_19) VAL [isInitial=1, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_11={9:0}, var_1_11_Pointer={9:0}, var_1_12={10:0}, var_1_12_Pointer={10:0}, var_1_13={11:0}, var_1_13_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_16={13:0}, var_1_16_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_19={15:0}, var_1_19_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={16:0}, var_1_20_Pointer={16:0}, var_1_21={17:0}, var_1_21_Pointer={17:0}, var_1_22={18:0}, var_1_22_Pointer={18:0}, var_1_7={5:0}, var_1_7_Pointer={5:0}, var_1_8={6:0}, var_1_8_Pointer={6:0}, var_1_9={7:0}, var_1_9_Pointer={7:0}] [L107] CALL assume_abort_if_not(var_1_19 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_11={9:0}, var_1_11_Pointer={9:0}, var_1_12={10:0}, var_1_12_Pointer={10:0}, var_1_13={11:0}, var_1_13_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_16={13:0}, var_1_16_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_19={15:0}, var_1_19_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={16:0}, var_1_20_Pointer={16:0}, var_1_21={17:0}, var_1_21_Pointer={17:0}, var_1_22={18:0}, var_1_22_Pointer={18:0}, var_1_7={5:0}, var_1_7_Pointer={5:0}, var_1_8={6:0}, var_1_8_Pointer={6:0}, var_1_9={7:0}, var_1_9_Pointer={7:0}] [L20] COND FALSE !(!cond) [L107] RET assume_abort_if_not(var_1_19 >= 0) VAL [isInitial=1, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_11={9:0}, var_1_11_Pointer={9:0}, var_1_12={10:0}, var_1_12_Pointer={10:0}, var_1_13={11:0}, var_1_13_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_16={13:0}, var_1_16_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_19={15:0}, var_1_19_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={16:0}, var_1_20_Pointer={16:0}, var_1_21={17:0}, var_1_21_Pointer={17:0}, var_1_22={18:0}, var_1_22_Pointer={18:0}, var_1_7={5:0}, var_1_7_Pointer={5:0}, var_1_8={6:0}, var_1_8_Pointer={6:0}, var_1_9={7:0}, var_1_9_Pointer={7:0}] [L108] EXPR \read(var_1_19) VAL [isInitial=1, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_11={9:0}, var_1_11_Pointer={9:0}, var_1_12={10:0}, var_1_12_Pointer={10:0}, var_1_13={11:0}, var_1_13_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_16={13:0}, var_1_16_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_19={15:0}, var_1_19_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={16:0}, var_1_20_Pointer={16:0}, var_1_21={17:0}, var_1_21_Pointer={17:0}, var_1_22={18:0}, var_1_22_Pointer={18:0}, var_1_7={5:0}, var_1_7_Pointer={5:0}, var_1_8={6:0}, var_1_8_Pointer={6:0}, var_1_9={7:0}, var_1_9_Pointer={7:0}] [L108] CALL assume_abort_if_not(var_1_19 <= 65534) VAL [\old(cond)=1, isInitial=1, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_11={9:0}, var_1_11_Pointer={9:0}, var_1_12={10:0}, var_1_12_Pointer={10:0}, var_1_13={11:0}, var_1_13_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_16={13:0}, var_1_16_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_19={15:0}, var_1_19_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={16:0}, var_1_20_Pointer={16:0}, var_1_21={17:0}, var_1_21_Pointer={17:0}, var_1_22={18:0}, var_1_22_Pointer={18:0}, var_1_7={5:0}, var_1_7_Pointer={5:0}, var_1_8={6:0}, var_1_8_Pointer={6:0}, var_1_9={7:0}, var_1_9_Pointer={7:0}] [L20] COND FALSE !(!cond) [L108] RET assume_abort_if_not(var_1_19 <= 65534) VAL [isInitial=1, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_11={9:0}, var_1_11_Pointer={9:0}, var_1_12={10:0}, var_1_12_Pointer={10:0}, var_1_13={11:0}, var_1_13_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_16={13:0}, var_1_16_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_19={15:0}, var_1_19_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={16:0}, var_1_20_Pointer={16:0}, var_1_21={17:0}, var_1_21_Pointer={17:0}, var_1_22={18:0}, var_1_22_Pointer={18:0}, var_1_7={5:0}, var_1_7_Pointer={5:0}, var_1_8={6:0}, var_1_8_Pointer={6:0}, var_1_9={7:0}, var_1_9_Pointer={7:0}] [L109] var_1_21 = __VERIFIER_nondet_float() [L110] EXPR \read(var_1_21) [L110] EXPR var_1_21 >= -922337.2036854765600e+13F && var_1_21 <= -1.0e-20F [L110] EXPR \read(var_1_21) [L110] EXPR var_1_21 >= -922337.2036854765600e+13F && var_1_21 <= -1.0e-20F [L110] EXPR (var_1_21 >= -922337.2036854765600e+13F && var_1_21 <= -1.0e-20F) || (var_1_21 <= 9223372.036854765600e+12F && var_1_21 >= 1.0e-20F ) VAL [isInitial=1, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_11={9:0}, var_1_11_Pointer={9:0}, var_1_12={10:0}, var_1_12_Pointer={10:0}, var_1_13={11:0}, var_1_13_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_16={13:0}, var_1_16_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_19={15:0}, var_1_19_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={16:0}, var_1_20_Pointer={16:0}, var_1_21={17:0}, var_1_21_Pointer={17:0}, var_1_22={18:0}, var_1_22_Pointer={18:0}, var_1_7={5:0}, var_1_7_Pointer={5:0}, var_1_8={6:0}, var_1_8_Pointer={6:0}, var_1_9={7:0}, var_1_9_Pointer={7:0}] [L110] CALL assume_abort_if_not((var_1_21 >= -922337.2036854765600e+13F && var_1_21 <= -1.0e-20F) || (var_1_21 <= 9223372.036854765600e+12F && var_1_21 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_11={9:0}, var_1_11_Pointer={9:0}, var_1_12={10:0}, var_1_12_Pointer={10:0}, var_1_13={11:0}, var_1_13_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_16={13:0}, var_1_16_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_19={15:0}, var_1_19_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={16:0}, var_1_20_Pointer={16:0}, var_1_21={17:0}, var_1_21_Pointer={17:0}, var_1_22={18:0}, var_1_22_Pointer={18:0}, var_1_7={5:0}, var_1_7_Pointer={5:0}, var_1_8={6:0}, var_1_8_Pointer={6:0}, var_1_9={7:0}, var_1_9_Pointer={7:0}] [L20] COND FALSE !(!cond) [L110] RET assume_abort_if_not((var_1_21 >= -922337.2036854765600e+13F && var_1_21 <= -1.0e-20F) || (var_1_21 <= 9223372.036854765600e+12F && var_1_21 >= 1.0e-20F )) VAL [isInitial=1, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_11={9:0}, var_1_11_Pointer={9:0}, var_1_12={10:0}, var_1_12_Pointer={10:0}, var_1_13={11:0}, var_1_13_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_16={13:0}, var_1_16_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_19={15:0}, var_1_19_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={16:0}, var_1_20_Pointer={16:0}, var_1_21={17:0}, var_1_21_Pointer={17:0}, var_1_22={18:0}, var_1_22_Pointer={18:0}, var_1_7={5:0}, var_1_7_Pointer={5:0}, var_1_8={6:0}, var_1_8_Pointer={6:0}, var_1_9={7:0}, var_1_9_Pointer={7:0}] [L123] RET updateVariables() [L124] CALL step() [L55] EXPR \read(*var_1_19_Pointer) [L55] (*(var_1_18_Pointer)) = (*(var_1_19_Pointer)) [L56] EXPR \read(*var_1_21_Pointer) [L56] (*(var_1_20_Pointer)) = (*(var_1_21_Pointer)) [L57] EXPR \read(*var_1_12_Pointer) [L57] (*(var_1_22_Pointer)) = (*(var_1_12_Pointer)) [L58] EXPR \read(*var_1_20_Pointer) [L58] COND TRUE 127.5f > (*(var_1_20_Pointer)) [L59] EXPR \read(*var_1_15_Pointer) [L59] EXPR (*(var_1_15_Pointer)) && (*(var_1_16_Pointer)) [L59] EXPR \read(*var_1_16_Pointer) [L59] EXPR (*(var_1_15_Pointer)) && (*(var_1_16_Pointer)) [L59] (*(var_1_13_Pointer)) = ((*(var_1_15_Pointer)) && (*(var_1_16_Pointer))) [L63] EXPR \read(*var_1_18_Pointer) [L63] EXPR \read(*var_1_7_Pointer) [L63] COND FALSE !((*(var_1_18_Pointer)) == (*(var_1_7_Pointer))) [L66] EXPR \read(*var_1_22_Pointer) [L66] EXPR (32 * -25) | (*(var_1_22_Pointer)) [L66] EXPR \read(*var_1_11_Pointer) [L66] COND FALSE !(((32 * -25) | (*(var_1_22_Pointer))) >= (*(var_1_11_Pointer))) [L72] EXPR \read(*var_1_13_Pointer) [L72] COND TRUE (*(var_1_13_Pointer)) [L73] EXPR \read(*var_1_10_Pointer) [L73] EXPR \read(*var_1_22_Pointer) [L73] COND TRUE (*(var_1_10_Pointer)) > (*(var_1_22_Pointer)) [L74] EXPR \read(*var_1_13_Pointer) [L74] COND TRUE (*(var_1_13_Pointer)) [L75] EXPR \read(*var_1_7_Pointer) [L75] EXPR \read(*var_1_8_Pointer) [L75] EXPR \read(*var_1_9_Pointer) [L75] (*(var_1_1_Pointer)) = ((*(var_1_7_Pointer)) - ((*(var_1_8_Pointer)) - (*(var_1_9_Pointer)))) [L124] RET step() [L125] CALL, EXPR property() [L115] EXPR \read(*var_1_13_Pointer) [L115] EXPR (*(var_1_13_Pointer)) ? (((*(var_1_10_Pointer)) > (*(var_1_22_Pointer))) ? ((*(var_1_13_Pointer)) ? ((*(var_1_1_Pointer)) == ((signed short int) ((*(var_1_7_Pointer)) - ((*(var_1_8_Pointer)) - (*(var_1_9_Pointer)))))) : ((*(var_1_1_Pointer)) == ((signed short int) (*(var_1_18_Pointer))))) : ((*(var_1_1_Pointer)) == ((signed short int) 8))) : 1 [L115] EXPR \read(*var_1_10_Pointer) [L115] EXPR \read(*var_1_22_Pointer) [L115] EXPR ((*(var_1_10_Pointer)) > (*(var_1_22_Pointer))) ? ((*(var_1_13_Pointer)) ? ((*(var_1_1_Pointer)) == ((signed short int) ((*(var_1_7_Pointer)) - ((*(var_1_8_Pointer)) - (*(var_1_9_Pointer)))))) : ((*(var_1_1_Pointer)) == ((signed short int) (*(var_1_18_Pointer))))) : ((*(var_1_1_Pointer)) == ((signed short int) 8)) [L115] EXPR \read(*var_1_13_Pointer) [L115] EXPR (*(var_1_13_Pointer)) ? ((*(var_1_1_Pointer)) == ((signed short int) ((*(var_1_7_Pointer)) - ((*(var_1_8_Pointer)) - (*(var_1_9_Pointer)))))) : ((*(var_1_1_Pointer)) == ((signed short int) (*(var_1_18_Pointer)))) [L115] EXPR \read(*var_1_1_Pointer) [L115] EXPR \read(*var_1_7_Pointer) [L115] EXPR \read(*var_1_8_Pointer) [L115] EXPR \read(*var_1_9_Pointer) [L115] EXPR (*(var_1_13_Pointer)) ? ((*(var_1_1_Pointer)) == ((signed short int) ((*(var_1_7_Pointer)) - ((*(var_1_8_Pointer)) - (*(var_1_9_Pointer)))))) : ((*(var_1_1_Pointer)) == ((signed short int) (*(var_1_18_Pointer)))) [L115] EXPR ((*(var_1_10_Pointer)) > (*(var_1_22_Pointer))) ? ((*(var_1_13_Pointer)) ? ((*(var_1_1_Pointer)) == ((signed short int) ((*(var_1_7_Pointer)) - ((*(var_1_8_Pointer)) - (*(var_1_9_Pointer)))))) : ((*(var_1_1_Pointer)) == ((signed short int) (*(var_1_18_Pointer))))) : ((*(var_1_1_Pointer)) == ((signed short int) 8)) [L115] EXPR (*(var_1_13_Pointer)) ? (((*(var_1_10_Pointer)) > (*(var_1_22_Pointer))) ? ((*(var_1_13_Pointer)) ? ((*(var_1_1_Pointer)) == ((signed short int) ((*(var_1_7_Pointer)) - ((*(var_1_8_Pointer)) - (*(var_1_9_Pointer)))))) : ((*(var_1_1_Pointer)) == ((signed short int) (*(var_1_18_Pointer))))) : ((*(var_1_1_Pointer)) == ((signed short int) 8))) : 1 [L115] EXPR ((*(var_1_13_Pointer)) ? (((*(var_1_10_Pointer)) > (*(var_1_22_Pointer))) ? ((*(var_1_13_Pointer)) ? ((*(var_1_1_Pointer)) == ((signed short int) ((*(var_1_7_Pointer)) - ((*(var_1_8_Pointer)) - (*(var_1_9_Pointer)))))) : ((*(var_1_1_Pointer)) == ((signed short int) (*(var_1_18_Pointer))))) : ((*(var_1_1_Pointer)) == ((signed short int) 8))) : 1) && (((*(var_1_18_Pointer)) == (*(var_1_7_Pointer))) ? ((*(var_1_10_Pointer)) == ((signed char) ((*(var_1_11_Pointer)) + ((*(var_1_12_Pointer)) + -25)))) : ((((32 * -25) | (*(var_1_22_Pointer))) >= (*(var_1_11_Pointer))) ? ((*(var_1_13_Pointer)) ? ((*(var_1_10_Pointer)) == ((signed char) (*(var_1_12_Pointer)))) : 1) : 1)) [L115] EXPR \read(*var_1_18_Pointer) [L115] EXPR \read(*var_1_7_Pointer) [L115] EXPR ((*(var_1_18_Pointer)) == (*(var_1_7_Pointer))) ? ((*(var_1_10_Pointer)) == ((signed char) ((*(var_1_11_Pointer)) + ((*(var_1_12_Pointer)) + -25)))) : ((((32 * -25) | (*(var_1_22_Pointer))) >= (*(var_1_11_Pointer))) ? ((*(var_1_13_Pointer)) ? ((*(var_1_10_Pointer)) == ((signed char) (*(var_1_12_Pointer)))) : 1) : 1) [L115] EXPR \read(*var_1_22_Pointer) [L115] EXPR (32 * -25) | (*(var_1_22_Pointer)) [L115] EXPR \read(*var_1_11_Pointer) [L115] EXPR (((32 * -25) | (*(var_1_22_Pointer))) >= (*(var_1_11_Pointer))) ? ((*(var_1_13_Pointer)) ? ((*(var_1_10_Pointer)) == ((signed char) (*(var_1_12_Pointer)))) : 1) : 1 [L115] EXPR \read(*var_1_13_Pointer) [L115] EXPR (*(var_1_13_Pointer)) ? ((*(var_1_10_Pointer)) == ((signed char) (*(var_1_12_Pointer)))) : 1 [L115] EXPR \read(*var_1_10_Pointer) [L115] EXPR \read(*var_1_12_Pointer) [L115] EXPR (*(var_1_13_Pointer)) ? ((*(var_1_10_Pointer)) == ((signed char) (*(var_1_12_Pointer)))) : 1 [L115] EXPR (((32 * -25) | (*(var_1_22_Pointer))) >= (*(var_1_11_Pointer))) ? ((*(var_1_13_Pointer)) ? ((*(var_1_10_Pointer)) == ((signed char) (*(var_1_12_Pointer)))) : 1) : 1 [L115] EXPR ((*(var_1_18_Pointer)) == (*(var_1_7_Pointer))) ? ((*(var_1_10_Pointer)) == ((signed char) ((*(var_1_11_Pointer)) + ((*(var_1_12_Pointer)) + -25)))) : ((((32 * -25) | (*(var_1_22_Pointer))) >= (*(var_1_11_Pointer))) ? ((*(var_1_13_Pointer)) ? ((*(var_1_10_Pointer)) == ((signed char) (*(var_1_12_Pointer)))) : 1) : 1) [L115] EXPR ((*(var_1_13_Pointer)) ? (((*(var_1_10_Pointer)) > (*(var_1_22_Pointer))) ? ((*(var_1_13_Pointer)) ? ((*(var_1_1_Pointer)) == ((signed short int) ((*(var_1_7_Pointer)) - ((*(var_1_8_Pointer)) - (*(var_1_9_Pointer)))))) : ((*(var_1_1_Pointer)) == ((signed short int) (*(var_1_18_Pointer))))) : ((*(var_1_1_Pointer)) == ((signed short int) 8))) : 1) && (((*(var_1_18_Pointer)) == (*(var_1_7_Pointer))) ? ((*(var_1_10_Pointer)) == ((signed char) ((*(var_1_11_Pointer)) + ((*(var_1_12_Pointer)) + -25)))) : ((((32 * -25) | (*(var_1_22_Pointer))) >= (*(var_1_11_Pointer))) ? ((*(var_1_13_Pointer)) ? ((*(var_1_10_Pointer)) == ((signed char) (*(var_1_12_Pointer)))) : 1) : 1)) [L115] EXPR (((*(var_1_13_Pointer)) ? (((*(var_1_10_Pointer)) > (*(var_1_22_Pointer))) ? ((*(var_1_13_Pointer)) ? ((*(var_1_1_Pointer)) == ((signed short int) ((*(var_1_7_Pointer)) - ((*(var_1_8_Pointer)) - (*(var_1_9_Pointer)))))) : ((*(var_1_1_Pointer)) == ((signed short int) (*(var_1_18_Pointer))))) : ((*(var_1_1_Pointer)) == ((signed short int) 8))) : 1) && (((*(var_1_18_Pointer)) == (*(var_1_7_Pointer))) ? ((*(var_1_10_Pointer)) == ((signed char) ((*(var_1_11_Pointer)) + ((*(var_1_12_Pointer)) + -25)))) : ((((32 * -25) | (*(var_1_22_Pointer))) >= (*(var_1_11_Pointer))) ? ((*(var_1_13_Pointer)) ? ((*(var_1_10_Pointer)) == ((signed char) (*(var_1_12_Pointer)))) : 1) : 1))) && ((127.5f > (*(var_1_20_Pointer))) ? ((*(var_1_13_Pointer)) == ((unsigned char) ((*(var_1_15_Pointer)) && (*(var_1_16_Pointer))))) : ((*(var_1_13_Pointer)) == ((unsigned char) (((*(var_1_20_Pointer)) >= (*(var_1_20_Pointer))) || (*(var_1_15_Pointer)))))) [L115] EXPR ((((*(var_1_13_Pointer)) ? (((*(var_1_10_Pointer)) > (*(var_1_22_Pointer))) ? ((*(var_1_13_Pointer)) ? ((*(var_1_1_Pointer)) == ((signed short int) ((*(var_1_7_Pointer)) - ((*(var_1_8_Pointer)) - (*(var_1_9_Pointer)))))) : ((*(var_1_1_Pointer)) == ((signed short int) (*(var_1_18_Pointer))))) : ((*(var_1_1_Pointer)) == ((signed short int) 8))) : 1) && (((*(var_1_18_Pointer)) == (*(var_1_7_Pointer))) ? ((*(var_1_10_Pointer)) == ((signed char) ((*(var_1_11_Pointer)) + ((*(var_1_12_Pointer)) + -25)))) : ((((32 * -25) | (*(var_1_22_Pointer))) >= (*(var_1_11_Pointer))) ? ((*(var_1_13_Pointer)) ? ((*(var_1_10_Pointer)) == ((signed char) (*(var_1_12_Pointer)))) : 1) : 1))) && ((127.5f > (*(var_1_20_Pointer))) ? ((*(var_1_13_Pointer)) == ((unsigned char) ((*(var_1_15_Pointer)) && (*(var_1_16_Pointer))))) : ((*(var_1_13_Pointer)) == ((unsigned char) (((*(var_1_20_Pointer)) >= (*(var_1_20_Pointer))) || (*(var_1_15_Pointer))))))) && ((*(var_1_18_Pointer)) == ((unsigned short int) (*(var_1_19_Pointer)))) [L115] EXPR (((((*(var_1_13_Pointer)) ? (((*(var_1_10_Pointer)) > (*(var_1_22_Pointer))) ? ((*(var_1_13_Pointer)) ? ((*(var_1_1_Pointer)) == ((signed short int) ((*(var_1_7_Pointer)) - ((*(var_1_8_Pointer)) - (*(var_1_9_Pointer)))))) : ((*(var_1_1_Pointer)) == ((signed short int) (*(var_1_18_Pointer))))) : ((*(var_1_1_Pointer)) == ((signed short int) 8))) : 1) && (((*(var_1_18_Pointer)) == (*(var_1_7_Pointer))) ? ((*(var_1_10_Pointer)) == ((signed char) ((*(var_1_11_Pointer)) + ((*(var_1_12_Pointer)) + -25)))) : ((((32 * -25) | (*(var_1_22_Pointer))) >= (*(var_1_11_Pointer))) ? ((*(var_1_13_Pointer)) ? ((*(var_1_10_Pointer)) == ((signed char) (*(var_1_12_Pointer)))) : 1) : 1))) && ((127.5f > (*(var_1_20_Pointer))) ? ((*(var_1_13_Pointer)) == ((unsigned char) ((*(var_1_15_Pointer)) && (*(var_1_16_Pointer))))) : ((*(var_1_13_Pointer)) == ((unsigned char) (((*(var_1_20_Pointer)) >= (*(var_1_20_Pointer))) || (*(var_1_15_Pointer))))))) && ((*(var_1_18_Pointer)) == ((unsigned short int) (*(var_1_19_Pointer))))) && ((*(var_1_20_Pointer)) == ((float) (*(var_1_21_Pointer)))) [L115] EXPR ((((((*(var_1_13_Pointer)) ? (((*(var_1_10_Pointer)) > (*(var_1_22_Pointer))) ? ((*(var_1_13_Pointer)) ? ((*(var_1_1_Pointer)) == ((signed short int) ((*(var_1_7_Pointer)) - ((*(var_1_8_Pointer)) - (*(var_1_9_Pointer)))))) : ((*(var_1_1_Pointer)) == ((signed short int) (*(var_1_18_Pointer))))) : ((*(var_1_1_Pointer)) == ((signed short int) 8))) : 1) && (((*(var_1_18_Pointer)) == (*(var_1_7_Pointer))) ? ((*(var_1_10_Pointer)) == ((signed char) ((*(var_1_11_Pointer)) + ((*(var_1_12_Pointer)) + -25)))) : ((((32 * -25) | (*(var_1_22_Pointer))) >= (*(var_1_11_Pointer))) ? ((*(var_1_13_Pointer)) ? ((*(var_1_10_Pointer)) == ((signed char) (*(var_1_12_Pointer)))) : 1) : 1))) && ((127.5f > (*(var_1_20_Pointer))) ? ((*(var_1_13_Pointer)) == ((unsigned char) ((*(var_1_15_Pointer)) && (*(var_1_16_Pointer))))) : ((*(var_1_13_Pointer)) == ((unsigned char) (((*(var_1_20_Pointer)) >= (*(var_1_20_Pointer))) || (*(var_1_15_Pointer))))))) && ((*(var_1_18_Pointer)) == ((unsigned short int) (*(var_1_19_Pointer))))) && ((*(var_1_20_Pointer)) == ((float) (*(var_1_21_Pointer))))) && ((*(var_1_22_Pointer)) == ((signed short int) (*(var_1_12_Pointer)))) [L115-L116] return ((((((*(var_1_13_Pointer)) ? (((*(var_1_10_Pointer)) > (*(var_1_22_Pointer))) ? ((*(var_1_13_Pointer)) ? ((*(var_1_1_Pointer)) == ((signed short int) ((*(var_1_7_Pointer)) - ((*(var_1_8_Pointer)) - (*(var_1_9_Pointer)))))) : ((*(var_1_1_Pointer)) == ((signed short int) (*(var_1_18_Pointer))))) : ((*(var_1_1_Pointer)) == ((signed short int) 8))) : 1) && (((*(var_1_18_Pointer)) == (*(var_1_7_Pointer))) ? ((*(var_1_10_Pointer)) == ((signed char) ((*(var_1_11_Pointer)) + ((*(var_1_12_Pointer)) + -25)))) : ((((32 * -25) | (*(var_1_22_Pointer))) >= (*(var_1_11_Pointer))) ? ((*(var_1_13_Pointer)) ? ((*(var_1_10_Pointer)) == ((signed char) (*(var_1_12_Pointer)))) : 1) : 1))) && ((127.5f > (*(var_1_20_Pointer))) ? ((*(var_1_13_Pointer)) == ((unsigned char) ((*(var_1_15_Pointer)) && (*(var_1_16_Pointer))))) : ((*(var_1_13_Pointer)) == ((unsigned char) (((*(var_1_20_Pointer)) >= (*(var_1_20_Pointer))) || (*(var_1_15_Pointer))))))) && ((*(var_1_18_Pointer)) == ((unsigned short int) (*(var_1_19_Pointer))))) && ((*(var_1_20_Pointer)) == ((float) (*(var_1_21_Pointer))))) && ((*(var_1_22_Pointer)) == ((signed short int) (*(var_1_12_Pointer)))) ; [L125] RET, EXPR property() [L125] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_11={9:0}, var_1_11_Pointer={9:0}, var_1_12={10:0}, var_1_12_Pointer={10:0}, var_1_13={11:0}, var_1_13_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_16={13:0}, var_1_16_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_19={15:0}, var_1_19_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={16:0}, var_1_20_Pointer={16:0}, var_1_21={17:0}, var_1_21_Pointer={17:0}, var_1_22={18:0}, var_1_22_Pointer={18:0}, var_1_7={5:0}, var_1_7_Pointer={5:0}, var_1_8={6:0}, var_1_8_Pointer={6:0}, var_1_9={7:0}, var_1_9_Pointer={7:0}] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_11={9:0}, var_1_11_Pointer={9:0}, var_1_12={10:0}, var_1_12_Pointer={10:0}, var_1_13={11:0}, var_1_13_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_16={13:0}, var_1_16_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_19={15:0}, var_1_19_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={16:0}, var_1_20_Pointer={16:0}, var_1_21={17:0}, var_1_21_Pointer={17:0}, var_1_22={18:0}, var_1_22_Pointer={18:0}, var_1_7={5:0}, var_1_7_Pointer={5:0}, var_1_8={6:0}, var_1_8_Pointer={6:0}, var_1_9={7:0}, var_1_9_Pointer={7:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 43 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 7.8s, OverallIterations: 1, TraceHistogramMax: 17, 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=43occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 4.4s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 72 NumberOfCodeBlocks, 72 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-12-02 15:13:03,641 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e590d9d2-6d03-44ae-bf22-e91eb6e69035/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e590d9d2-6d03-44ae-bf22-e91eb6e69035/bin/utaipan-verify-nQ1chXbOIh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e590d9d2-6d03-44ae-bf22-e91eb6e69035/bin/utaipan-verify-nQ1chXbOIh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e590d9d2-6d03-44ae-bf22-e91eb6e69035/bin/utaipan-verify-nQ1chXbOIh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e590d9d2-6d03-44ae-bf22-e91eb6e69035/bin/utaipan-verify-nQ1chXbOIh/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-97.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e590d9d2-6d03-44ae-bf22-e91eb6e69035/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e590d9d2-6d03-44ae-bf22-e91eb6e69035/bin/utaipan-verify-nQ1chXbOIh --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 7188c6f24541aba260187a36aa9df009a62318807d29ed8104d2cc5db8c5a63b --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 15:13:05,532 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 15:13:05,608 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e590d9d2-6d03-44ae-bf22-e91eb6e69035/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2023-12-02 15:13:05,614 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 15:13:05,615 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-02 15:13:05,643 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 15:13:05,643 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-02 15:13:05,644 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-02 15:13:05,645 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 15:13:05,645 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-02 15:13:05,646 INFO L153 SettingsManager]: * User list type=DISABLED [2023-12-02 15:13:05,646 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-12-02 15:13:05,647 INFO L153 SettingsManager]: * Explicit value domain=true [2023-12-02 15:13:05,647 INFO L153 SettingsManager]: * Octagon Domain=false [2023-12-02 15:13:05,648 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-12-02 15:13:05,648 INFO L153 SettingsManager]: * Interval Domain=false [2023-12-02 15:13:05,649 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 15:13:05,650 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 15:13:05,650 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 15:13:05,651 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 15:13:05,651 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 15:13:05,652 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 15:13:05,653 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 15:13:05,653 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 15:13:05,653 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-02 15:13:05,654 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-02 15:13:05,654 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-02 15:13:05,655 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 15:13:05,655 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 15:13:05,656 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 15:13:05,656 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 15:13:05,656 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-02 15:13:05,657 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-02 15:13:05,657 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-02 15:13:05,657 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 15:13:05,657 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 15:13:05,658 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 15:13:05,658 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 15:13:05,658 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-02 15:13:05,658 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 15:13:05,659 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-02 15:13:05,659 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 15:13:05,659 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-12-02 15:13:05,659 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 15:13:05,660 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_e590d9d2-6d03-44ae-bf22-e91eb6e69035/bin/utaipan-verify-nQ1chXbOIh/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e590d9d2-6d03-44ae-bf22-e91eb6e69035/bin/utaipan-verify-nQ1chXbOIh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7188c6f24541aba260187a36aa9df009a62318807d29ed8104d2cc5db8c5a63b [2023-12-02 15:13:05,950 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 15:13:05,968 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 15:13:05,971 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 15:13:05,972 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 15:13:05,972 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 15:13:05,974 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e590d9d2-6d03-44ae-bf22-e91eb6e69035/bin/utaipan-verify-nQ1chXbOIh/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-97.i [2023-12-02 15:13:08,779 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 15:13:08,987 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 15:13:08,987 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e590d9d2-6d03-44ae-bf22-e91eb6e69035/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-97.i [2023-12-02 15:13:08,996 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e590d9d2-6d03-44ae-bf22-e91eb6e69035/bin/utaipan-verify-nQ1chXbOIh/data/2fcc1fe8a/e6d607e39e1941d1b13109087f4e71bb/FLAGadf1cdcae [2023-12-02 15:13:09,009 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e590d9d2-6d03-44ae-bf22-e91eb6e69035/bin/utaipan-verify-nQ1chXbOIh/data/2fcc1fe8a/e6d607e39e1941d1b13109087f4e71bb [2023-12-02 15:13:09,011 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 15:13:09,012 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 15:13:09,014 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 15:13:09,014 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 15:13:09,018 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 15:13:09,018 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 03:13:09" (1/1) ... [2023-12-02 15:13:09,019 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2bbbff58 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:13:09, skipping insertion in model container [2023-12-02 15:13:09,019 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 03:13:09" (1/1) ... [2023-12-02 15:13:09,047 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 15:13:09,169 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e590d9d2-6d03-44ae-bf22-e91eb6e69035/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-97.i[916,929] [2023-12-02 15:13:09,218 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 15:13:09,237 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 15:13:09,248 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e590d9d2-6d03-44ae-bf22-e91eb6e69035/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-97.i[916,929] [2023-12-02 15:13:09,279 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 15:13:09,300 INFO L206 MainTranslator]: Completed translation [2023-12-02 15:13:09,300 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:13:09 WrapperNode [2023-12-02 15:13:09,300 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 15:13:09,301 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 15:13:09,301 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 15:13:09,302 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 15:13:09,307 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:13:09" (1/1) ... [2023-12-02 15:13:09,322 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:13:09" (1/1) ... [2023-12-02 15:13:09,358 INFO L138 Inliner]: procedures = 33, calls = 159, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 401 [2023-12-02 15:13:09,358 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 15:13:09,359 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 15:13:09,359 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 15:13:09,360 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 15:13:09,369 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:13:09" (1/1) ... [2023-12-02 15:13:09,369 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:13:09" (1/1) ... [2023-12-02 15:13:09,379 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:13:09" (1/1) ... [2023-12-02 15:13:09,379 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:13:09" (1/1) ... [2023-12-02 15:13:09,397 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:13:09" (1/1) ... [2023-12-02 15:13:09,402 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:13:09" (1/1) ... [2023-12-02 15:13:09,406 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:13:09" (1/1) ... [2023-12-02 15:13:09,409 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:13:09" (1/1) ... [2023-12-02 15:13:09,415 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 15:13:09,416 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 15:13:09,417 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 15:13:09,417 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 15:13:09,417 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:13:09" (1/1) ... [2023-12-02 15:13:09,424 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 15:13:09,442 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e590d9d2-6d03-44ae-bf22-e91eb6e69035/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 15:13:09,454 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e590d9d2-6d03-44ae-bf22-e91eb6e69035/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-12-02 15:13:09,471 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e590d9d2-6d03-44ae-bf22-e91eb6e69035/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-12-02 15:13:09,498 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 15:13:09,498 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2023-12-02 15:13:09,499 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2023-12-02 15:13:09,499 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-02 15:13:09,499 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2023-12-02 15:13:09,499 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2023-12-02 15:13:09,499 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2023-12-02 15:13:09,499 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4 [2023-12-02 15:13:09,500 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-02 15:13:09,500 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-02 15:13:09,500 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 15:13:09,500 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 15:13:09,500 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2023-12-02 15:13:09,501 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2023-12-02 15:13:09,620 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 15:13:09,622 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 15:13:10,131 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 15:13:10,183 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 15:13:10,183 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-02 15:13:10,184 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:13:10 BoogieIcfgContainer [2023-12-02 15:13:10,184 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 15:13:10,186 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-02 15:13:10,187 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-02 15:13:10,190 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-02 15:13:10,190 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 03:13:09" (1/3) ... [2023-12-02 15:13:10,191 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@77304dcb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 03:13:10, skipping insertion in model container [2023-12-02 15:13:10,191 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:13:09" (2/3) ... [2023-12-02 15:13:10,191 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@77304dcb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 03:13:10, skipping insertion in model container [2023-12-02 15:13:10,191 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:13:10" (3/3) ... [2023-12-02 15:13:10,193 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-p_file-97.i [2023-12-02 15:13:10,209 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-02 15:13:10,209 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-02 15:13:10,256 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-02 15:13:10,261 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@609298bf, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-02 15:13:10,261 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-02 15:13:10,265 INFO L276 IsEmpty]: Start isEmpty. Operand has 93 states, 73 states have (on average 1.4246575342465753) internal successors, (104), 74 states have internal predecessors, (104), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2023-12-02 15:13:10,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2023-12-02 15:13:10,281 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 15:13:10,281 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 15:13:10,282 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 15:13:10,303 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 15:13:10,303 INFO L85 PathProgramCache]: Analyzing trace with hash 9280560, now seen corresponding path program 1 times [2023-12-02 15:13:10,317 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 15:13:10,318 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [161175660] [2023-12-02 15:13:10,318 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 15:13:10,318 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 15:13:10,318 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e590d9d2-6d03-44ae-bf22-e91eb6e69035/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 15:13:10,320 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e590d9d2-6d03-44ae-bf22-e91eb6e69035/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-02 15:13:10,321 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e590d9d2-6d03-44ae-bf22-e91eb6e69035/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2023-12-02 15:13:10,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 15:13:10,653 INFO L262 TraceCheckSpWp]: Trace formula consists of 339 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 15:13:10,663 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 15:13:10,701 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 252 proven. 0 refuted. 0 times theorem prover too weak. 292 trivial. 0 not checked. [2023-12-02 15:13:10,701 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 15:13:10,702 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 15:13:10,703 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [161175660] [2023-12-02 15:13:10,703 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [161175660] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 15:13:10,703 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 15:13:10,704 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-02 15:13:10,705 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [893855752] [2023-12-02 15:13:10,706 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 15:13:10,711 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-12-02 15:13:10,711 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 15:13:10,739 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-12-02 15:13:10,739 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-02 15:13:10,742 INFO L87 Difference]: Start difference. First operand has 93 states, 73 states have (on average 1.4246575342465753) internal successors, (104), 74 states have internal predecessors, (104), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) Second operand has 2 states, 2 states have (on average 25.5) internal successors, (51), 2 states have internal predecessors, (51), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2023-12-02 15:13:10,800 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 15:13:10,801 INFO L93 Difference]: Finished difference Result 183 states and 291 transitions. [2023-12-02 15:13:10,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 15:13:10,803 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 25.5) internal successors, (51), 2 states have internal predecessors, (51), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 129 [2023-12-02 15:13:10,804 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 15:13:10,812 INFO L225 Difference]: With dead ends: 183 [2023-12-02 15:13:10,812 INFO L226 Difference]: Without dead ends: 91 [2023-12-02 15:13:10,816 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 128 GetRequests, 128 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-02 15:13:10,819 INFO L413 NwaCegarLoop]: 129 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 129 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-02 15:13:10,821 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 129 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-02 15:13:10,837 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states. [2023-12-02 15:13:10,862 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 91. [2023-12-02 15:13:10,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 91 states, 72 states have (on average 1.375) internal successors, (99), 72 states have internal predecessors, (99), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2023-12-02 15:13:10,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 133 transitions. [2023-12-02 15:13:10,867 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 133 transitions. Word has length 129 [2023-12-02 15:13:10,868 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 15:13:10,868 INFO L495 AbstractCegarLoop]: Abstraction has 91 states and 133 transitions. [2023-12-02 15:13:10,868 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 25.5) internal successors, (51), 2 states have internal predecessors, (51), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2023-12-02 15:13:10,868 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 133 transitions. [2023-12-02 15:13:10,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2023-12-02 15:13:10,872 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 15:13:10,873 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 15:13:10,884 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e590d9d2-6d03-44ae-bf22-e91eb6e69035/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2023-12-02 15:13:11,076 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e590d9d2-6d03-44ae-bf22-e91eb6e69035/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 15:13:11,077 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 15:13:11,077 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 15:13:11,077 INFO L85 PathProgramCache]: Analyzing trace with hash 165856910, now seen corresponding path program 1 times [2023-12-02 15:13:11,078 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 15:13:11,079 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1521275746] [2023-12-02 15:13:11,079 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 15:13:11,079 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 15:13:11,079 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e590d9d2-6d03-44ae-bf22-e91eb6e69035/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 15:13:11,080 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e590d9d2-6d03-44ae-bf22-e91eb6e69035/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-02 15:13:11,087 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e590d9d2-6d03-44ae-bf22-e91eb6e69035/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2023-12-02 15:13:11,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 15:13:11,387 INFO L262 TraceCheckSpWp]: Trace formula consists of 339 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 15:13:11,394 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 15:13:11,446 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2023-12-02 15:13:11,446 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 15:13:11,446 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 15:13:11,446 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1521275746] [2023-12-02 15:13:11,447 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1521275746] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 15:13:11,447 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 15:13:11,447 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-02 15:13:11,447 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1598005877] [2023-12-02 15:13:11,447 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 15:13:11,449 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-02 15:13:11,449 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 15:13:11,450 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-02 15:13:11,450 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-02 15:13:11,450 INFO L87 Difference]: Start difference. First operand 91 states and 133 transitions. Second operand has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2023-12-02 15:13:11,542 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 15:13:11,542 INFO L93 Difference]: Finished difference Result 204 states and 299 transitions. [2023-12-02 15:13:11,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-02 15:13:11,543 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 129 [2023-12-02 15:13:11,544 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 15:13:11,546 INFO L225 Difference]: With dead ends: 204 [2023-12-02 15:13:11,546 INFO L226 Difference]: Without dead ends: 114 [2023-12-02 15:13:11,547 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 129 GetRequests, 126 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-12-02 15:13:11,549 INFO L413 NwaCegarLoop]: 148 mSDtfsCounter, 49 mSDsluCounter, 260 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 49 SdHoareTripleChecker+Valid, 408 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-02 15:13:11,556 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [49 Valid, 408 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-02 15:13:11,557 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114 states. [2023-12-02 15:13:11,568 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114 to 93. [2023-12-02 15:13:11,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 93 states, 74 states have (on average 1.364864864864865) internal successors, (101), 74 states have internal predecessors, (101), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2023-12-02 15:13:11,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 135 transitions. [2023-12-02 15:13:11,571 INFO L78 Accepts]: Start accepts. Automaton has 93 states and 135 transitions. Word has length 129 [2023-12-02 15:13:11,573 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 15:13:11,573 INFO L495 AbstractCegarLoop]: Abstraction has 93 states and 135 transitions. [2023-12-02 15:13:11,573 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2023-12-02 15:13:11,573 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 135 transitions. [2023-12-02 15:13:11,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2023-12-02 15:13:11,576 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 15:13:11,576 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 15:13:11,581 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e590d9d2-6d03-44ae-bf22-e91eb6e69035/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2023-12-02 15:13:11,776 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e590d9d2-6d03-44ae-bf22-e91eb6e69035/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 15:13:11,777 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 15:13:11,777 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 15:13:11,778 INFO L85 PathProgramCache]: Analyzing trace with hash 154963932, now seen corresponding path program 1 times [2023-12-02 15:13:11,778 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 15:13:11,779 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [592127034] [2023-12-02 15:13:11,779 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 15:13:11,779 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 15:13:11,779 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e590d9d2-6d03-44ae-bf22-e91eb6e69035/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 15:13:11,780 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e590d9d2-6d03-44ae-bf22-e91eb6e69035/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-02 15:13:11,781 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e590d9d2-6d03-44ae-bf22-e91eb6e69035/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2023-12-02 15:13:12,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 15:13:12,109 INFO L262 TraceCheckSpWp]: Trace formula consists of 344 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-02 15:13:12,115 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 15:13:12,169 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2023-12-02 15:13:12,169 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 15:13:12,169 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 15:13:12,170 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [592127034] [2023-12-02 15:13:12,170 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [592127034] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 15:13:12,170 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 15:13:12,170 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-02 15:13:12,170 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1241751519] [2023-12-02 15:13:12,171 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 15:13:12,171 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-02 15:13:12,171 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 15:13:12,172 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-02 15:13:12,172 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-12-02 15:13:12,173 INFO L87 Difference]: Start difference. First operand 93 states and 135 transitions. Second operand has 5 states, 5 states have (on average 9.8) internal successors, (49), 5 states have internal predecessors, (49), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2023-12-02 15:13:12,529 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 15:13:12,529 INFO L93 Difference]: Finished difference Result 236 states and 341 transitions. [2023-12-02 15:13:12,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-02 15:13:12,530 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.8) internal successors, (49), 5 states have internal predecessors, (49), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 131 [2023-12-02 15:13:12,531 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 15:13:12,532 INFO L225 Difference]: With dead ends: 236 [2023-12-02 15:13:12,532 INFO L226 Difference]: Without dead ends: 144 [2023-12-02 15:13:12,534 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 131 GetRequests, 127 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-12-02 15:13:12,535 INFO L413 NwaCegarLoop]: 112 mSDtfsCounter, 104 mSDsluCounter, 282 mSDsCounter, 0 mSdLazyCounter, 161 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 104 SdHoareTripleChecker+Valid, 394 SdHoareTripleChecker+Invalid, 162 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 161 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-12-02 15:13:12,536 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [104 Valid, 394 Invalid, 162 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 161 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-12-02 15:13:12,537 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 144 states. [2023-12-02 15:13:12,547 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 144 to 95. [2023-12-02 15:13:12,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 95 states, 76 states have (on average 1.355263157894737) internal successors, (103), 76 states have internal predecessors, (103), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2023-12-02 15:13:12,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 137 transitions. [2023-12-02 15:13:12,549 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 137 transitions. Word has length 131 [2023-12-02 15:13:12,549 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 15:13:12,550 INFO L495 AbstractCegarLoop]: Abstraction has 95 states and 137 transitions. [2023-12-02 15:13:12,550 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.8) internal successors, (49), 5 states have internal predecessors, (49), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2023-12-02 15:13:12,550 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 137 transitions. [2023-12-02 15:13:12,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2023-12-02 15:13:12,553 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 15:13:12,553 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 15:13:12,559 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e590d9d2-6d03-44ae-bf22-e91eb6e69035/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Ended with exit code 0 [2023-12-02 15:13:12,759 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e590d9d2-6d03-44ae-bf22-e91eb6e69035/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 15:13:12,759 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 15:13:12,760 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 15:13:12,760 INFO L85 PathProgramCache]: Analyzing trace with hash -230798605, now seen corresponding path program 1 times [2023-12-02 15:13:12,761 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 15:13:12,761 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1413614517] [2023-12-02 15:13:12,761 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 15:13:12,761 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 15:13:12,761 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e590d9d2-6d03-44ae-bf22-e91eb6e69035/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 15:13:12,762 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e590d9d2-6d03-44ae-bf22-e91eb6e69035/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-02 15:13:12,763 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e590d9d2-6d03-44ae-bf22-e91eb6e69035/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2023-12-02 15:13:12,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 15:13:12,996 INFO L262 TraceCheckSpWp]: Trace formula consists of 347 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 15:13:13,001 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 15:13:13,022 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2023-12-02 15:13:13,023 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 15:13:13,023 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 15:13:13,023 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1413614517] [2023-12-02 15:13:13,023 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1413614517] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 15:13:13,023 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 15:13:13,024 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-02 15:13:13,024 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [591293123] [2023-12-02 15:13:13,024 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 15:13:13,025 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-02 15:13:13,025 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 15:13:13,025 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-02 15:13:13,026 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-02 15:13:13,026 INFO L87 Difference]: Start difference. First operand 95 states and 137 transitions. Second operand has 4 states, 4 states have (on average 12.25) internal successors, (49), 4 states have internal predecessors, (49), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2023-12-02 15:13:13,096 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 15:13:13,096 INFO L93 Difference]: Finished difference Result 201 states and 290 transitions. [2023-12-02 15:13:13,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-02 15:13:13,096 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.25) internal successors, (49), 4 states have internal predecessors, (49), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 131 [2023-12-02 15:13:13,097 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 15:13:13,098 INFO L225 Difference]: With dead ends: 201 [2023-12-02 15:13:13,099 INFO L226 Difference]: Without dead ends: 107 [2023-12-02 15:13:13,100 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 131 GetRequests, 128 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-12-02 15:13:13,101 INFO L413 NwaCegarLoop]: 126 mSDtfsCounter, 21 mSDsluCounter, 252 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 378 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-02 15:13:13,102 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 378 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-02 15:13:13,102 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2023-12-02 15:13:13,110 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 97. [2023-12-02 15:13:13,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 97 states, 78 states have (on average 1.3461538461538463) internal successors, (105), 78 states have internal predecessors, (105), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2023-12-02 15:13:13,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 139 transitions. [2023-12-02 15:13:13,112 INFO L78 Accepts]: Start accepts. Automaton has 97 states and 139 transitions. Word has length 131 [2023-12-02 15:13:13,112 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 15:13:13,113 INFO L495 AbstractCegarLoop]: Abstraction has 97 states and 139 transitions. [2023-12-02 15:13:13,113 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.25) internal successors, (49), 4 states have internal predecessors, (49), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2023-12-02 15:13:13,113 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 139 transitions. [2023-12-02 15:13:13,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2023-12-02 15:13:13,115 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 15:13:13,115 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 15:13:13,120 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e590d9d2-6d03-44ae-bf22-e91eb6e69035/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2023-12-02 15:13:13,315 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e590d9d2-6d03-44ae-bf22-e91eb6e69035/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 15:13:13,316 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 15:13:13,316 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 15:13:13,316 INFO L85 PathProgramCache]: Analyzing trace with hash -1040145231, now seen corresponding path program 1 times [2023-12-02 15:13:13,317 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 15:13:13,317 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1663335110] [2023-12-02 15:13:13,318 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 15:13:13,318 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 15:13:13,318 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e590d9d2-6d03-44ae-bf22-e91eb6e69035/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 15:13:13,319 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e590d9d2-6d03-44ae-bf22-e91eb6e69035/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-02 15:13:13,320 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e590d9d2-6d03-44ae-bf22-e91eb6e69035/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2023-12-02 15:13:13,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 15:13:13,555 INFO L262 TraceCheckSpWp]: Trace formula consists of 344 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-02 15:13:13,559 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 15:13:13,584 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2023-12-02 15:13:13,584 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 15:13:13,584 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 15:13:13,585 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1663335110] [2023-12-02 15:13:13,585 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1663335110] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 15:13:13,585 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 15:13:13,585 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-02 15:13:13,585 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [789017147] [2023-12-02 15:13:13,586 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 15:13:13,586 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-02 15:13:13,586 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 15:13:13,587 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-02 15:13:13,587 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-12-02 15:13:13,587 INFO L87 Difference]: Start difference. First operand 97 states and 139 transitions. Second operand has 5 states, 5 states have (on average 9.8) internal successors, (49), 5 states have internal predecessors, (49), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2023-12-02 15:13:13,685 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 15:13:13,685 INFO L93 Difference]: Finished difference Result 206 states and 295 transitions. [2023-12-02 15:13:13,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-12-02 15:13:13,685 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.8) internal successors, (49), 5 states have internal predecessors, (49), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 131 [2023-12-02 15:13:13,686 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 15:13:13,687 INFO L225 Difference]: With dead ends: 206 [2023-12-02 15:13:13,687 INFO L226 Difference]: Without dead ends: 110 [2023-12-02 15:13:13,688 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 133 GetRequests, 127 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-12-02 15:13:13,689 INFO L413 NwaCegarLoop]: 124 mSDtfsCounter, 24 mSDsluCounter, 375 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 24 SdHoareTripleChecker+Valid, 499 SdHoareTripleChecker+Invalid, 43 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-02 15:13:13,690 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [24 Valid, 499 Invalid, 43 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-02 15:13:13,691 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110 states. [2023-12-02 15:13:13,698 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110 to 99. [2023-12-02 15:13:13,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 99 states, 80 states have (on average 1.3375) internal successors, (107), 80 states have internal predecessors, (107), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2023-12-02 15:13:13,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 141 transitions. [2023-12-02 15:13:13,700 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 141 transitions. Word has length 131 [2023-12-02 15:13:13,701 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 15:13:13,701 INFO L495 AbstractCegarLoop]: Abstraction has 99 states and 141 transitions. [2023-12-02 15:13:13,701 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.8) internal successors, (49), 5 states have internal predecessors, (49), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2023-12-02 15:13:13,701 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 141 transitions. [2023-12-02 15:13:13,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2023-12-02 15:13:13,703 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 15:13:13,703 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 15:13:13,709 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e590d9d2-6d03-44ae-bf22-e91eb6e69035/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Ended with exit code 0 [2023-12-02 15:13:13,906 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e590d9d2-6d03-44ae-bf22-e91eb6e69035/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 15:13:13,906 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 15:13:13,907 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 15:13:13,907 INFO L85 PathProgramCache]: Analyzing trace with hash -982886929, now seen corresponding path program 1 times [2023-12-02 15:13:13,907 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 15:13:13,908 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [798286648] [2023-12-02 15:13:13,908 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 15:13:13,908 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 15:13:13,908 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e590d9d2-6d03-44ae-bf22-e91eb6e69035/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 15:13:13,909 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e590d9d2-6d03-44ae-bf22-e91eb6e69035/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-02 15:13:13,909 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e590d9d2-6d03-44ae-bf22-e91eb6e69035/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2023-12-02 15:13:14,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 15:13:14,247 INFO L262 TraceCheckSpWp]: Trace formula consists of 341 conjuncts, 10 conjunts are in the unsatisfiable core [2023-12-02 15:13:14,257 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 15:13:14,846 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 8 [2023-12-02 15:13:14,883 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 12 [2023-12-02 15:13:14,907 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 17 treesize of output 9 [2023-12-02 15:13:14,918 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2023-12-02 15:13:14,918 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 15:13:14,918 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 15:13:14,918 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [798286648] [2023-12-02 15:13:14,918 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [798286648] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 15:13:14,918 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 15:13:14,919 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-12-02 15:13:14,919 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1978068915] [2023-12-02 15:13:14,919 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 15:13:14,919 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-02 15:13:14,920 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 15:13:14,920 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-02 15:13:14,920 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2023-12-02 15:13:14,921 INFO L87 Difference]: Start difference. First operand 99 states and 141 transitions. Second operand has 7 states, 7 states have (on average 7.0) internal successors, (49), 6 states have internal predecessors, (49), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2023-12-02 15:13:15,284 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 15:13:15,284 INFO L93 Difference]: Finished difference Result 207 states and 297 transitions. [2023-12-02 15:13:15,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-02 15:13:15,285 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.0) internal successors, (49), 6 states have internal predecessors, (49), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 131 [2023-12-02 15:13:15,285 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 15:13:15,286 INFO L225 Difference]: With dead ends: 207 [2023-12-02 15:13:15,286 INFO L226 Difference]: Without dead ends: 109 [2023-12-02 15:13:15,286 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 131 GetRequests, 125 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2023-12-02 15:13:15,287 INFO L413 NwaCegarLoop]: 108 mSDtfsCounter, 98 mSDsluCounter, 218 mSDsCounter, 0 mSdLazyCounter, 204 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 98 SdHoareTripleChecker+Valid, 326 SdHoareTripleChecker+Invalid, 209 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 204 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-12-02 15:13:15,287 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [98 Valid, 326 Invalid, 209 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 204 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-12-02 15:13:15,288 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2023-12-02 15:13:15,297 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 106. [2023-12-02 15:13:15,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 106 states, 87 states have (on average 1.3448275862068966) internal successors, (117), 87 states have internal predecessors, (117), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2023-12-02 15:13:15,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 151 transitions. [2023-12-02 15:13:15,299 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 151 transitions. Word has length 131 [2023-12-02 15:13:15,299 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 15:13:15,299 INFO L495 AbstractCegarLoop]: Abstraction has 106 states and 151 transitions. [2023-12-02 15:13:15,300 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.0) internal successors, (49), 6 states have internal predecessors, (49), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2023-12-02 15:13:15,300 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 151 transitions. [2023-12-02 15:13:15,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2023-12-02 15:13:15,302 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 15:13:15,302 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 15:13:15,311 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e590d9d2-6d03-44ae-bf22-e91eb6e69035/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Ended with exit code 0 [2023-12-02 15:13:15,508 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e590d9d2-6d03-44ae-bf22-e91eb6e69035/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 15:13:15,509 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 15:13:15,509 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 15:13:15,509 INFO L85 PathProgramCache]: Analyzing trace with hash 1506642033, now seen corresponding path program 1 times [2023-12-02 15:13:15,509 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 15:13:15,510 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [628670877] [2023-12-02 15:13:15,510 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 15:13:15,510 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 15:13:15,510 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e590d9d2-6d03-44ae-bf22-e91eb6e69035/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 15:13:15,511 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e590d9d2-6d03-44ae-bf22-e91eb6e69035/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-02 15:13:15,511 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e590d9d2-6d03-44ae-bf22-e91eb6e69035/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2023-12-02 15:13:15,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 15:13:15,867 INFO L262 TraceCheckSpWp]: Trace formula consists of 343 conjuncts, 35 conjunts are in the unsatisfiable core [2023-12-02 15:13:15,874 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 15:13:19,606 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 20 [2023-12-02 15:13:20,113 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 20 [2023-12-02 15:13:20,548 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 20 [2023-12-02 15:13:20,830 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 20 [2023-12-02 15:13:20,974 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 26 [2023-12-02 15:13:21,061 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 31 [2023-12-02 15:13:21,129 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 19 [2023-12-02 15:13:21,167 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 30 proven. 316 refuted. 0 times theorem prover too weak. 198 trivial. 0 not checked. [2023-12-02 15:13:21,167 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 15:13:21,268 WARN L854 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_206 (Array (_ BitVec 32) (_ BitVec 32)))) (not (= ((_ extract 7 0) (select (select (store |c_#memory_int| c_~var_1_10_Pointer~0.base v_ArrVal_206) c_~var_1_13_Pointer~0.base) c_~var_1_13_Pointer~0.offset)) (_ bv0 8)))) is different from false [2023-12-02 15:13:21,762 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 15:13:21,763 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [628670877] [2023-12-02 15:13:21,763 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [628670877] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 15:13:21,763 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [533164602] [2023-12-02 15:13:21,763 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 15:13:21,763 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 15:13:21,763 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e590d9d2-6d03-44ae-bf22-e91eb6e69035/bin/utaipan-verify-nQ1chXbOIh/cvc4 [2023-12-02 15:13:21,765 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e590d9d2-6d03-44ae-bf22-e91eb6e69035/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 15:13:21,777 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e590d9d2-6d03-44ae-bf22-e91eb6e69035/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2023-12-02 15:13:22,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 15:13:22,524 INFO L262 TraceCheckSpWp]: Trace formula consists of 343 conjuncts, 48 conjunts are in the unsatisfiable core [2023-12-02 15:13:22,533 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 15:13:25,456 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 8 [2023-12-02 15:13:27,504 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 26 [2023-12-02 15:13:28,322 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 26 [2023-12-02 15:13:29,047 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 26 [2023-12-02 15:13:29,711 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 26 [2023-12-02 15:13:30,208 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 26 [2023-12-02 15:13:30,372 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 26 [2023-12-02 15:13:30,516 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 45 [2023-12-02 15:13:30,857 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 92 treesize of output 56 [2023-12-02 15:13:31,074 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 32 proven. 388 refuted. 0 times theorem prover too weak. 124 trivial. 0 not checked. [2023-12-02 15:13:31,074 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 15:14:07,820 WARN L854 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_243 (Array (_ BitVec 32) (_ BitVec 32))) (~var_1_11_Pointer~0.offset (_ BitVec 32)) (~var_1_10_Pointer~0.offset (_ BitVec 32))) (let ((.cse2 (store |c_#memory_int| c_~var_1_13_Pointer~0.base v_ArrVal_243))) (let ((.cse0 ((_ sign_extend 24) ((_ extract 7 0) (bvadd ((_ sign_extend 24) ((_ extract 7 0) (select (select .cse2 c_~var_1_11_Pointer~0.base) ~var_1_11_Pointer~0.offset))) ((_ sign_extend 24) ((_ extract 7 0) (select (select .cse2 c_~var_1_12_Pointer~0.base) c_~var_1_12_Pointer~0.offset))) (_ bv4294967271 32)))))) (= ((_ sign_extend 24) ((_ extract 7 0) .cse0)) ((_ sign_extend 24) ((_ extract 7 0) (let ((.cse1 (store .cse2 c_~var_1_10_Pointer~0.base (store (select .cse2 c_~var_1_10_Pointer~0.base) ~var_1_10_Pointer~0.offset .cse0)))) (bvadd ((_ sign_extend 24) ((_ extract 7 0) (select (select .cse1 c_~var_1_11_Pointer~0.base) ~var_1_11_Pointer~0.offset))) ((_ sign_extend 24) ((_ extract 7 0) (select (select .cse1 c_~var_1_12_Pointer~0.base) c_~var_1_12_Pointer~0.offset))) (_ bv4294967271 32))))))))) is different from false [2023-12-02 15:14:07,913 WARN L854 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_240 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_241 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_242 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_243 (Array (_ BitVec 32) (_ BitVec 32))) (~var_1_11_Pointer~0.offset (_ BitVec 32)) (~var_1_10_Pointer~0.offset (_ BitVec 32))) (let ((.cse1 (store (store (store (store |c_#memory_int| c_~var_1_18_Pointer~0.base v_ArrVal_240) c_~var_1_20_Pointer~0.base v_ArrVal_241) c_~var_1_22_Pointer~0.base v_ArrVal_242) c_~var_1_13_Pointer~0.base v_ArrVal_243))) (let ((.cse2 ((_ sign_extend 24) ((_ extract 7 0) (bvadd ((_ sign_extend 24) ((_ extract 7 0) (select (select .cse1 c_~var_1_11_Pointer~0.base) ~var_1_11_Pointer~0.offset))) (_ bv4294967271 32) ((_ sign_extend 24) ((_ extract 7 0) (select (select .cse1 c_~var_1_12_Pointer~0.base) c_~var_1_12_Pointer~0.offset)))))))) (= ((_ sign_extend 24) ((_ extract 7 0) (let ((.cse0 (store .cse1 c_~var_1_10_Pointer~0.base (store (select .cse1 c_~var_1_10_Pointer~0.base) ~var_1_10_Pointer~0.offset .cse2)))) (bvadd ((_ sign_extend 24) ((_ extract 7 0) (select (select .cse0 c_~var_1_12_Pointer~0.base) c_~var_1_12_Pointer~0.offset))) (_ bv4294967271 32) ((_ sign_extend 24) ((_ extract 7 0) (select (select .cse0 c_~var_1_11_Pointer~0.base) ~var_1_11_Pointer~0.offset))))))) ((_ sign_extend 24) ((_ extract 7 0) .cse2)))))) is different from false [2023-12-02 15:14:07,967 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [533164602] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 15:14:07,967 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2043575275] [2023-12-02 15:14:07,967 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 15:14:07,967 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 15:14:07,967 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e590d9d2-6d03-44ae-bf22-e91eb6e69035/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 15:14:07,968 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e590d9d2-6d03-44ae-bf22-e91eb6e69035/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 15:14:07,969 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e590d9d2-6d03-44ae-bf22-e91eb6e69035/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2023-12-02 15:14:08,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 15:14:08,144 INFO L262 TraceCheckSpWp]: Trace formula consists of 343 conjuncts, 23 conjunts are in the unsatisfiable core [2023-12-02 15:14:08,148 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 15:14:09,909 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2023-12-02 15:14:10,585 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 53 [2023-12-02 15:14:10,600 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 1 [2023-12-02 15:14:10,847 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 173 treesize of output 77 [2023-12-02 15:14:10,963 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 64 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2023-12-02 15:14:10,963 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 15:14:11,180 WARN L854 $PredicateComparison]: unable to prove that (forall ((|v_skolemized_q#valueAsBitvector_30| (_ BitVec 32)) (v_ArrVal_275 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_276 (Array (_ BitVec 32) (_ BitVec 32))) (~var_1_20_Pointer~0.offset (_ BitVec 32))) (let ((.cse2 (store |c_#memory_int| c_~var_1_18_Pointer~0.base v_ArrVal_276))) (or (let ((.cse0 (let ((.cse1 (select (select (store (store .cse2 c_~var_1_20_Pointer~0.base (store (select .cse2 c_~var_1_20_Pointer~0.base) ~var_1_20_Pointer~0.offset |v_skolemized_q#valueAsBitvector_30|)) c_~var_1_22_Pointer~0.base v_ArrVal_275) c_~var_1_20_Pointer~0.base) ~var_1_20_Pointer~0.offset))) (fp ((_ extract 31 31) .cse1) ((_ extract 30 23) .cse1) ((_ extract 22 0) .cse1))))) (fp.geq .cse0 .cse0)) (not (= (fp ((_ extract 31 31) |v_skolemized_q#valueAsBitvector_30|) ((_ extract 30 23) |v_skolemized_q#valueAsBitvector_30|) ((_ extract 22 0) |v_skolemized_q#valueAsBitvector_30|)) (let ((.cse3 (select (select .cse2 c_~var_1_21_Pointer~0.base) c_~var_1_21_Pointer~0.offset))) (fp ((_ extract 31 31) .cse3) ((_ extract 30 23) .cse3) ((_ extract 22 0) .cse3)))))))) is different from false [2023-12-02 15:14:11,195 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2043575275] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 15:14:11,195 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-12-02 15:14:11,196 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 22, 6] total 45 [2023-12-02 15:14:11,196 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [312408682] [2023-12-02 15:14:11,196 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-12-02 15:14:11,197 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 46 states [2023-12-02 15:14:11,197 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 15:14:11,198 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 46 interpolants. [2023-12-02 15:14:11,200 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=217, Invalid=2751, Unknown=18, NotChecked=436, Total=3422 [2023-12-02 15:14:11,201 INFO L87 Difference]: Start difference. First operand 106 states and 151 transitions. Second operand has 46 states, 42 states have (on average 3.738095238095238) internal successors, (157), 38 states have internal predecessors, (157), 15 states have call successors, (51), 14 states have call predecessors, (51), 15 states have return successors, (51), 15 states have call predecessors, (51), 15 states have call successors, (51) [2023-12-02 15:14:39,385 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 15:14:39,385 INFO L93 Difference]: Finished difference Result 541 states and 741 transitions. [2023-12-02 15:14:39,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2023-12-02 15:14:39,386 INFO L78 Accepts]: Start accepts. Automaton has has 46 states, 42 states have (on average 3.738095238095238) internal successors, (157), 38 states have internal predecessors, (157), 15 states have call successors, (51), 14 states have call predecessors, (51), 15 states have return successors, (51), 15 states have call predecessors, (51), 15 states have call successors, (51) Word has length 131 [2023-12-02 15:14:39,386 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 15:14:39,388 INFO L225 Difference]: With dead ends: 541 [2023-12-02 15:14:39,388 INFO L226 Difference]: Without dead ends: 436 [2023-12-02 15:14:39,392 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 532 GetRequests, 411 SyntacticMatches, 0 SemanticMatches, 121 ConstructedPredicates, 4 IntricatePredicates, 0 DeprecatedPredicates, 2861 ImplicationChecksByTransitivity, 58.0s TimeCoverageRelationStatistics Valid=2199, Invalid=11841, Unknown=18, NotChecked=948, Total=15006 [2023-12-02 15:14:39,393 INFO L413 NwaCegarLoop]: 103 mSDtfsCounter, 2934 mSDsluCounter, 2255 mSDsCounter, 0 mSdLazyCounter, 3370 mSolverCounterSat, 403 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2934 SdHoareTripleChecker+Valid, 2358 SdHoareTripleChecker+Invalid, 3773 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 403 IncrementalHoareTripleChecker+Valid, 3370 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.4s IncrementalHoareTripleChecker+Time [2023-12-02 15:14:39,393 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2934 Valid, 2358 Invalid, 3773 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [403 Valid, 3370 Invalid, 0 Unknown, 0 Unchecked, 11.4s Time] [2023-12-02 15:14:39,394 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 436 states. [2023-12-02 15:14:39,411 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 436 to 147. [2023-12-02 15:14:39,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 147 states, 121 states have (on average 1.2892561983471074) internal successors, (156), 121 states have internal predecessors, (156), 18 states have call successors, (18), 7 states have call predecessors, (18), 7 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2023-12-02 15:14:39,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 147 states and 192 transitions. [2023-12-02 15:14:39,413 INFO L78 Accepts]: Start accepts. Automaton has 147 states and 192 transitions. Word has length 131 [2023-12-02 15:14:39,413 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 15:14:39,413 INFO L495 AbstractCegarLoop]: Abstraction has 147 states and 192 transitions. [2023-12-02 15:14:39,414 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 46 states, 42 states have (on average 3.738095238095238) internal successors, (157), 38 states have internal predecessors, (157), 15 states have call successors, (51), 14 states have call predecessors, (51), 15 states have return successors, (51), 15 states have call predecessors, (51), 15 states have call successors, (51) [2023-12-02 15:14:39,414 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 192 transitions. [2023-12-02 15:14:39,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2023-12-02 15:14:39,415 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 15:14:39,415 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 15:14:39,422 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e590d9d2-6d03-44ae-bf22-e91eb6e69035/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Ended with exit code 0 [2023-12-02 15:14:39,621 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e590d9d2-6d03-44ae-bf22-e91eb6e69035/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2023-12-02 15:14:39,821 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e590d9d2-6d03-44ae-bf22-e91eb6e69035/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (9)] Forceful destruction successful, exit code 0 [2023-12-02 15:14:40,016 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e590d9d2-6d03-44ae-bf22-e91eb6e69035/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e590d9d2-6d03-44ae-bf22-e91eb6e69035/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e590d9d2-6d03-44ae-bf22-e91eb6e69035/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt [2023-12-02 15:14:40,017 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 15:14:40,017 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 15:14:40,017 INFO L85 PathProgramCache]: Analyzing trace with hash -929428040, now seen corresponding path program 1 times [2023-12-02 15:14:40,017 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 15:14:40,017 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [340997826] [2023-12-02 15:14:40,018 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 15:14:40,018 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 15:14:40,018 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e590d9d2-6d03-44ae-bf22-e91eb6e69035/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 15:14:40,019 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e590d9d2-6d03-44ae-bf22-e91eb6e69035/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-02 15:14:40,020 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e590d9d2-6d03-44ae-bf22-e91eb6e69035/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2023-12-02 15:14:40,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 15:14:40,218 INFO L262 TraceCheckSpWp]: Trace formula consists of 344 conjuncts, 7 conjunts are in the unsatisfiable core [2023-12-02 15:14:40,221 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 15:14:40,228 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 8 [2023-12-02 15:14:40,242 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 37 treesize of output 25 [2023-12-02 15:14:40,260 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2023-12-02 15:14:40,260 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 15:14:40,260 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 15:14:40,260 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [340997826] [2023-12-02 15:14:40,260 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [340997826] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 15:14:40,260 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 15:14:40,260 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-12-02 15:14:40,260 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [357171157] [2023-12-02 15:14:40,260 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 15:14:40,261 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-12-02 15:14:40,261 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 15:14:40,261 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-12-02 15:14:40,261 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-12-02 15:14:40,261 INFO L87 Difference]: Start difference. First operand 147 states and 192 transitions. Second operand has 6 states, 6 states have (on average 8.333333333333334) internal successors, (50), 6 states have internal predecessors, (50), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2023-12-02 15:14:40,683 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 15:14:40,683 INFO L93 Difference]: Finished difference Result 411 states and 546 transitions. [2023-12-02 15:14:40,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-12-02 15:14:40,684 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.333333333333334) internal successors, (50), 6 states have internal predecessors, (50), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 132 [2023-12-02 15:14:40,684 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 15:14:40,686 INFO L225 Difference]: With dead ends: 411 [2023-12-02 15:14:40,686 INFO L226 Difference]: Without dead ends: 265 [2023-12-02 15:14:40,687 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 138 GetRequests, 127 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=52, Invalid=104, Unknown=0, NotChecked=0, Total=156 [2023-12-02 15:14:40,687 INFO L413 NwaCegarLoop]: 151 mSDtfsCounter, 169 mSDsluCounter, 469 mSDsCounter, 0 mSdLazyCounter, 205 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 169 SdHoareTripleChecker+Valid, 620 SdHoareTripleChecker+Invalid, 207 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 205 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-12-02 15:14:40,688 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [169 Valid, 620 Invalid, 207 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 205 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-12-02 15:14:40,688 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 265 states. [2023-12-02 15:14:40,714 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 265 to 151. [2023-12-02 15:14:40,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 151 states, 125 states have (on average 1.296) internal successors, (162), 125 states have internal predecessors, (162), 18 states have call successors, (18), 7 states have call predecessors, (18), 7 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2023-12-02 15:14:40,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 151 states and 198 transitions. [2023-12-02 15:14:40,716 INFO L78 Accepts]: Start accepts. Automaton has 151 states and 198 transitions. Word has length 132 [2023-12-02 15:14:40,716 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 15:14:40,716 INFO L495 AbstractCegarLoop]: Abstraction has 151 states and 198 transitions. [2023-12-02 15:14:40,716 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.333333333333334) internal successors, (50), 6 states have internal predecessors, (50), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2023-12-02 15:14:40,716 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 198 transitions. [2023-12-02 15:14:40,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2023-12-02 15:14:40,718 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 15:14:40,718 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 15:14:40,724 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e590d9d2-6d03-44ae-bf22-e91eb6e69035/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (11)] Forceful destruction successful, exit code 0 [2023-12-02 15:14:40,918 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e590d9d2-6d03-44ae-bf22-e91eb6e69035/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 15:14:40,919 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 15:14:40,919 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 15:14:40,919 INFO L85 PathProgramCache]: Analyzing trace with hash -1315190577, now seen corresponding path program 1 times [2023-12-02 15:14:40,920 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 15:14:40,920 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1614320242] [2023-12-02 15:14:40,920 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 15:14:40,920 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 15:14:40,920 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e590d9d2-6d03-44ae-bf22-e91eb6e69035/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 15:14:40,921 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e590d9d2-6d03-44ae-bf22-e91eb6e69035/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-02 15:14:40,921 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e590d9d2-6d03-44ae-bf22-e91eb6e69035/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (12)] Waiting until timeout for monitored process [2023-12-02 15:14:41,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 15:14:41,242 INFO L262 TraceCheckSpWp]: Trace formula consists of 347 conjuncts, 13 conjunts are in the unsatisfiable core [2023-12-02 15:14:41,246 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 15:14:41,846 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 8 [2023-12-02 15:14:41,879 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 12 [2023-12-02 15:14:41,904 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 12 [2023-12-02 15:14:41,918 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 17 treesize of output 9 [2023-12-02 15:14:41,927 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2023-12-02 15:14:41,927 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 15:14:41,927 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 15:14:41,927 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1614320242] [2023-12-02 15:14:41,927 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1614320242] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 15:14:41,927 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 15:14:41,927 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-02 15:14:41,927 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [241599153] [2023-12-02 15:14:41,928 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 15:14:41,928 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-02 15:14:41,928 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 15:14:41,929 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-02 15:14:41,929 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2023-12-02 15:14:41,929 INFO L87 Difference]: Start difference. First operand 151 states and 198 transitions. Second operand has 8 states, 8 states have (on average 6.25) internal successors, (50), 7 states have internal predecessors, (50), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2023-12-02 15:14:42,436 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 15:14:42,436 INFO L93 Difference]: Finished difference Result 354 states and 469 transitions. [2023-12-02 15:14:42,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-02 15:14:42,437 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 6.25) internal successors, (50), 7 states have internal predecessors, (50), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 132 [2023-12-02 15:14:42,437 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 15:14:42,438 INFO L225 Difference]: With dead ends: 354 [2023-12-02 15:14:42,439 INFO L226 Difference]: Without dead ends: 204 [2023-12-02 15:14:42,439 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 132 GetRequests, 125 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2023-12-02 15:14:42,440 INFO L413 NwaCegarLoop]: 128 mSDtfsCounter, 236 mSDsluCounter, 279 mSDsCounter, 0 mSdLazyCounter, 336 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 236 SdHoareTripleChecker+Valid, 407 SdHoareTripleChecker+Invalid, 347 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 336 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-12-02 15:14:42,440 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [236 Valid, 407 Invalid, 347 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 336 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-12-02 15:14:42,441 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 204 states. [2023-12-02 15:14:42,457 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 204 to 164. [2023-12-02 15:14:42,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 164 states, 138 states have (on average 1.3043478260869565) internal successors, (180), 138 states have internal predecessors, (180), 18 states have call successors, (18), 7 states have call predecessors, (18), 7 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2023-12-02 15:14:42,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 164 states and 216 transitions. [2023-12-02 15:14:42,459 INFO L78 Accepts]: Start accepts. Automaton has 164 states and 216 transitions. Word has length 132 [2023-12-02 15:14:42,459 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 15:14:42,459 INFO L495 AbstractCegarLoop]: Abstraction has 164 states and 216 transitions. [2023-12-02 15:14:42,459 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 6.25) internal successors, (50), 7 states have internal predecessors, (50), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2023-12-02 15:14:42,459 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 216 transitions. [2023-12-02 15:14:42,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2023-12-02 15:14:42,460 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 15:14:42,460 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 15:14:42,469 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e590d9d2-6d03-44ae-bf22-e91eb6e69035/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (12)] Ended with exit code 0 [2023-12-02 15:14:42,660 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e590d9d2-6d03-44ae-bf22-e91eb6e69035/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 15:14:42,661 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 15:14:42,661 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 15:14:42,661 INFO L85 PathProgramCache]: Analyzing trace with hash -1027511804, now seen corresponding path program 1 times [2023-12-02 15:14:42,661 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 15:14:42,661 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1074496042] [2023-12-02 15:14:42,662 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 15:14:42,662 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 15:14:42,662 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e590d9d2-6d03-44ae-bf22-e91eb6e69035/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 15:14:42,663 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e590d9d2-6d03-44ae-bf22-e91eb6e69035/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-02 15:14:42,663 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e590d9d2-6d03-44ae-bf22-e91eb6e69035/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (13)] Waiting until timeout for monitored process [2023-12-02 15:14:42,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 15:14:42,851 INFO L262 TraceCheckSpWp]: Trace formula consists of 342 conjuncts, 6 conjunts are in the unsatisfiable core [2023-12-02 15:14:42,854 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 15:14:42,913 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 15:14:42,913 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 33 treesize of output 29 [2023-12-02 15:14:42,951 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2023-12-02 15:14:42,952 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 15:14:42,952 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 15:14:42,952 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1074496042] [2023-12-02 15:14:42,952 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1074496042] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 15:14:42,952 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 15:14:42,952 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-02 15:14:42,952 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [895998646] [2023-12-02 15:14:42,953 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 15:14:42,953 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-02 15:14:42,953 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 15:14:42,954 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-02 15:14:42,954 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-12-02 15:14:42,954 INFO L87 Difference]: Start difference. First operand 164 states and 216 transitions. Second operand has 5 states, 5 states have (on average 10.0) internal successors, (50), 5 states have internal predecessors, (50), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2023-12-02 15:14:44,984 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 15:14:47,121 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 15:14:49,156 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 15:14:52,036 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 15:14:54,104 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 15:14:56,252 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 15:14:56,270 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 15:14:56,270 INFO L93 Difference]: Finished difference Result 371 states and 490 transitions. [2023-12-02 15:14:56,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-02 15:14:56,271 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.0) internal successors, (50), 5 states have internal predecessors, (50), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 132 [2023-12-02 15:14:56,271 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 15:14:56,272 INFO L225 Difference]: With dead ends: 371 [2023-12-02 15:14:56,273 INFO L226 Difference]: Without dead ends: 208 [2023-12-02 15:14:56,273 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 132 GetRequests, 128 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-12-02 15:14:56,274 INFO L413 NwaCegarLoop]: 150 mSDtfsCounter, 68 mSDsluCounter, 299 mSDsCounter, 0 mSdLazyCounter, 180 mSolverCounterSat, 1 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 68 SdHoareTripleChecker+Valid, 449 SdHoareTripleChecker+Invalid, 187 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 180 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.3s IncrementalHoareTripleChecker+Time [2023-12-02 15:14:56,274 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [68 Valid, 449 Invalid, 187 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 180 Invalid, 6 Unknown, 0 Unchecked, 13.3s Time] [2023-12-02 15:14:56,275 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 208 states. [2023-12-02 15:14:56,292 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 208 to 171. [2023-12-02 15:14:56,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 171 states, 145 states have (on average 1.296551724137931) internal successors, (188), 145 states have internal predecessors, (188), 18 states have call successors, (18), 7 states have call predecessors, (18), 7 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2023-12-02 15:14:56,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 171 states and 224 transitions. [2023-12-02 15:14:56,294 INFO L78 Accepts]: Start accepts. Automaton has 171 states and 224 transitions. Word has length 132 [2023-12-02 15:14:56,294 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 15:14:56,294 INFO L495 AbstractCegarLoop]: Abstraction has 171 states and 224 transitions. [2023-12-02 15:14:56,294 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.0) internal successors, (50), 5 states have internal predecessors, (50), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2023-12-02 15:14:56,294 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 224 transitions. [2023-12-02 15:14:56,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2023-12-02 15:14:56,295 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 15:14:56,295 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 15:14:56,300 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e590d9d2-6d03-44ae-bf22-e91eb6e69035/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (13)] Ended with exit code 0 [2023-12-02 15:14:56,496 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e590d9d2-6d03-44ae-bf22-e91eb6e69035/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 15:14:56,496 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 15:14:56,496 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 15:14:56,496 INFO L85 PathProgramCache]: Analyzing trace with hash -1810060634, now seen corresponding path program 1 times [2023-12-02 15:14:56,497 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 15:14:56,497 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1232144628] [2023-12-02 15:14:56,497 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 15:14:56,497 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 15:14:56,497 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e590d9d2-6d03-44ae-bf22-e91eb6e69035/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 15:14:56,498 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e590d9d2-6d03-44ae-bf22-e91eb6e69035/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-02 15:14:56,499 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e590d9d2-6d03-44ae-bf22-e91eb6e69035/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (14)] Waiting until timeout for monitored process [2023-12-02 15:14:56,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 15:14:56,854 INFO L262 TraceCheckSpWp]: Trace formula consists of 348 conjuncts, 37 conjunts are in the unsatisfiable core [2023-12-02 15:14:56,861 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 15:15:01,224 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 20 [2023-12-02 15:15:01,785 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 20 [2023-12-02 15:15:02,100 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 20 [2023-12-02 15:15:02,269 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 26 [2023-12-02 15:15:02,369 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 31 [2023-12-02 15:15:02,462 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 31 [2023-12-02 15:15:02,528 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 19 [2023-12-02 15:15:02,565 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 36 proven. 228 refuted. 0 times theorem prover too weak. 280 trivial. 0 not checked. [2023-12-02 15:15:02,565 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 15:15:02,652 WARN L854 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_406 (Array (_ BitVec 32) (_ BitVec 32)))) (not (= ((_ extract 7 0) (select (select (store |c_#memory_int| c_~var_1_1_Pointer~0.base v_ArrVal_406) c_~var_1_13_Pointer~0.base) c_~var_1_13_Pointer~0.offset)) (_ bv0 8)))) is different from false [2023-12-02 15:15:03,386 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 15:15:03,386 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1232144628] [2023-12-02 15:15:03,386 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1232144628] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 15:15:03,386 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1891409371] [2023-12-02 15:15:03,386 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 15:15:03,386 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 15:15:03,386 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e590d9d2-6d03-44ae-bf22-e91eb6e69035/bin/utaipan-verify-nQ1chXbOIh/cvc4 [2023-12-02 15:15:03,387 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e590d9d2-6d03-44ae-bf22-e91eb6e69035/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 15:15:03,389 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e590d9d2-6d03-44ae-bf22-e91eb6e69035/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (15)] Waiting until timeout for monitored process [2023-12-02 15:15:03,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 15:15:03,931 INFO L262 TraceCheckSpWp]: Trace formula consists of 348 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 15:15:03,936 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 15:15:04,665 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2023-12-02 15:15:04,682 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2023-12-02 15:15:04,895 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 13 [2023-12-02 15:15:04,962 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 18 treesize of output 10 [2023-12-02 15:15:05,279 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2023-12-02 15:15:05,279 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 15:15:05,279 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1891409371] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 15:15:05,279 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-12-02 15:15:05,280 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [19] total 25 [2023-12-02 15:15:05,280 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1990194107] [2023-12-02 15:15:05,280 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 15:15:05,280 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-02 15:15:05,281 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 15:15:05,281 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-02 15:15:05,281 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=145, Invalid=765, Unknown=24, NotChecked=58, Total=992 [2023-12-02 15:15:05,282 INFO L87 Difference]: Start difference. First operand 171 states and 224 transitions. Second operand has 8 states, 8 states have (on average 6.25) internal successors, (50), 7 states have internal predecessors, (50), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2023-12-02 15:15:06,036 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 15:15:06,036 INFO L93 Difference]: Finished difference Result 373 states and 489 transitions. [2023-12-02 15:15:06,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-02 15:15:06,037 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 6.25) internal successors, (50), 7 states have internal predecessors, (50), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 132 [2023-12-02 15:15:06,037 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 15:15:06,039 INFO L225 Difference]: With dead ends: 373 [2023-12-02 15:15:06,039 INFO L226 Difference]: Without dead ends: 203 [2023-12-02 15:15:06,040 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 292 GetRequests, 258 SyntacticMatches, 1 SemanticMatches, 33 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 333 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=169, Invalid=933, Unknown=24, NotChecked=64, Total=1190 [2023-12-02 15:15:06,040 INFO L413 NwaCegarLoop]: 117 mSDtfsCounter, 170 mSDsluCounter, 225 mSDsCounter, 0 mSdLazyCounter, 336 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 170 SdHoareTripleChecker+Valid, 342 SdHoareTripleChecker+Invalid, 340 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 336 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-12-02 15:15:06,040 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [170 Valid, 342 Invalid, 340 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 336 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-12-02 15:15:06,041 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 203 states. [2023-12-02 15:15:06,059 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 203 to 158. [2023-12-02 15:15:06,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 158 states, 132 states have (on average 1.2727272727272727) internal successors, (168), 132 states have internal predecessors, (168), 18 states have call successors, (18), 7 states have call predecessors, (18), 7 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2023-12-02 15:15:06,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 158 states and 204 transitions. [2023-12-02 15:15:06,061 INFO L78 Accepts]: Start accepts. Automaton has 158 states and 204 transitions. Word has length 132 [2023-12-02 15:15:06,062 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 15:15:06,062 INFO L495 AbstractCegarLoop]: Abstraction has 158 states and 204 transitions. [2023-12-02 15:15:06,062 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 6.25) internal successors, (50), 7 states have internal predecessors, (50), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2023-12-02 15:15:06,062 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 204 transitions. [2023-12-02 15:15:06,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2023-12-02 15:15:06,063 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 15:15:06,063 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 15:15:06,071 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e590d9d2-6d03-44ae-bf22-e91eb6e69035/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (14)] Ended with exit code 0 [2023-12-02 15:15:06,269 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e590d9d2-6d03-44ae-bf22-e91eb6e69035/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (15)] Ended with exit code 0 [2023-12-02 15:15:06,464 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e590d9d2-6d03-44ae-bf22-e91eb6e69035/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e590d9d2-6d03-44ae-bf22-e91eb6e69035/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt [2023-12-02 15:15:06,464 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 15:15:06,465 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 15:15:06,465 INFO L85 PathProgramCache]: Analyzing trace with hash 1572591299, now seen corresponding path program 1 times [2023-12-02 15:15:06,465 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 15:15:06,465 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [433142711] [2023-12-02 15:15:06,465 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 15:15:06,465 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 15:15:06,465 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e590d9d2-6d03-44ae-bf22-e91eb6e69035/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 15:15:06,466 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e590d9d2-6d03-44ae-bf22-e91eb6e69035/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-02 15:15:06,467 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e590d9d2-6d03-44ae-bf22-e91eb6e69035/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (16)] Waiting until timeout for monitored process [2023-12-02 15:15:06,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 15:15:06,815 INFO L262 TraceCheckSpWp]: Trace formula consists of 346 conjuncts, 54 conjunts are in the unsatisfiable core [2023-12-02 15:15:06,821 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 15:15:10,389 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2023-12-02 15:15:11,803 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 13 [2023-12-02 15:15:13,661 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 32 [2023-12-02 15:15:14,608 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 32 [2023-12-02 15:15:15,499 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 32 [2023-12-02 15:15:16,247 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 32 [2023-12-02 15:15:16,792 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 53 [2023-12-02 15:15:16,799 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 14 [2023-12-02 15:15:16,817 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 1 [2023-12-02 15:15:17,039 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 47 [2023-12-02 15:15:17,246 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 59 [2023-12-02 15:15:17,800 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 89 treesize of output 81 [2023-12-02 15:15:18,000 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 49 [2023-12-02 15:15:18,152 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 4 proven. 444 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2023-12-02 15:15:18,152 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 15:15:18,336 WARN L854 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_483 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse0 (store |c_#memory_int| c_~var_1_1_Pointer~0.base v_ArrVal_483))) (bvsgt ((_ sign_extend 24) ((_ extract 7 0) (select (select .cse0 c_~var_1_10_Pointer~0.base) c_~var_1_10_Pointer~0.offset))) ((_ sign_extend 16) ((_ extract 15 0) (select (select .cse0 c_~var_1_22_Pointer~0.base) c_~var_1_22_Pointer~0.offset)))))) is different from false [2023-12-02 15:15:18,857 WARN L854 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_483 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_480 (Array (_ BitVec 32) (_ BitVec 32))) (~var_1_10_Pointer~0.offset (_ BitVec 32))) (let ((.cse3 (store |c_#memory_int| c_~var_1_13_Pointer~0.base v_ArrVal_480))) (let ((.cse2 ((_ sign_extend 24) ((_ extract 7 0) (bvadd ((_ sign_extend 24) ((_ extract 7 0) (select (select .cse3 c_~var_1_12_Pointer~0.base) c_~var_1_12_Pointer~0.offset))) ((_ sign_extend 24) ((_ extract 7 0) (select (select .cse3 c_~var_1_11_Pointer~0.base) c_~var_1_11_Pointer~0.offset))) (_ bv4294967271 32)))))) (let ((.cse1 (store .cse3 c_~var_1_10_Pointer~0.base (store (select .cse3 c_~var_1_10_Pointer~0.base) ~var_1_10_Pointer~0.offset .cse2)))) (or (let ((.cse0 (store .cse1 c_~var_1_1_Pointer~0.base v_ArrVal_483))) (bvsgt ((_ sign_extend 24) ((_ extract 7 0) (select (select .cse0 c_~var_1_10_Pointer~0.base) ~var_1_10_Pointer~0.offset))) ((_ sign_extend 16) ((_ extract 15 0) (select (select .cse0 c_~var_1_22_Pointer~0.base) c_~var_1_22_Pointer~0.offset))))) (not (bvsgt ((_ sign_extend 24) ((_ extract 7 0) .cse2)) ((_ sign_extend 16) ((_ extract 15 0) (select (select .cse1 c_~var_1_22_Pointer~0.base) c_~var_1_22_Pointer~0.offset)))))))))) is different from false [2023-12-02 15:15:19,128 WARN L854 $PredicateComparison]: unable to prove that (forall ((|v_skolemized_q#valueAsBitvector_43| (_ BitVec 32)) (v_ArrVal_483 (Array (_ BitVec 32) (_ BitVec 32))) (~var_1_20_Pointer~0.offset (_ BitVec 32)) (v_ArrVal_480 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_479 (Array (_ BitVec 32) (_ BitVec 32))) (~var_1_10_Pointer~0.offset (_ BitVec 32)) (~var_1_22_Pointer~0.offset (_ BitVec 32))) (let ((.cse3 (store (let ((.cse4 (let ((.cse5 (store |c_#memory_int| c_~var_1_18_Pointer~0.base v_ArrVal_479))) (store .cse5 c_~var_1_20_Pointer~0.base (store (select .cse5 c_~var_1_20_Pointer~0.base) ~var_1_20_Pointer~0.offset |v_skolemized_q#valueAsBitvector_43|))))) (store .cse4 c_~var_1_22_Pointer~0.base (store (select .cse4 c_~var_1_22_Pointer~0.base) ~var_1_22_Pointer~0.offset ((_ sign_extend 16) ((_ sign_extend 8) ((_ extract 7 0) (select (select .cse4 c_~var_1_12_Pointer~0.base) c_~var_1_12_Pointer~0.offset))))))) c_~var_1_13_Pointer~0.base v_ArrVal_480))) (let ((.cse0 ((_ sign_extend 24) ((_ extract 7 0) (bvadd ((_ sign_extend 24) ((_ extract 7 0) (select (select .cse3 c_~var_1_11_Pointer~0.base) c_~var_1_11_Pointer~0.offset))) ((_ sign_extend 24) ((_ extract 7 0) (select (select .cse3 c_~var_1_12_Pointer~0.base) c_~var_1_12_Pointer~0.offset))) (_ bv4294967271 32)))))) (let ((.cse1 (store .cse3 c_~var_1_10_Pointer~0.base (store (select .cse3 c_~var_1_10_Pointer~0.base) ~var_1_10_Pointer~0.offset .cse0)))) (or (not (bvsgt ((_ sign_extend 24) ((_ extract 7 0) .cse0)) ((_ sign_extend 16) ((_ extract 15 0) (select (select .cse1 c_~var_1_22_Pointer~0.base) ~var_1_22_Pointer~0.offset))))) (let ((.cse2 (store .cse1 c_~var_1_1_Pointer~0.base v_ArrVal_483))) (bvsgt ((_ sign_extend 24) ((_ extract 7 0) (select (select .cse2 c_~var_1_10_Pointer~0.base) ~var_1_10_Pointer~0.offset))) ((_ sign_extend 16) ((_ extract 15 0) (select (select .cse2 c_~var_1_22_Pointer~0.base) ~var_1_22_Pointer~0.offset)))))))))) is different from false [2023-12-02 15:15:19,243 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 15:15:19,244 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [433142711] [2023-12-02 15:15:19,244 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [433142711] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 15:15:19,244 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [2140689357] [2023-12-02 15:15:19,244 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 15:15:19,244 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 15:15:19,244 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e590d9d2-6d03-44ae-bf22-e91eb6e69035/bin/utaipan-verify-nQ1chXbOIh/cvc4 [2023-12-02 15:15:19,245 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e590d9d2-6d03-44ae-bf22-e91eb6e69035/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 15:15:19,246 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e590d9d2-6d03-44ae-bf22-e91eb6e69035/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (17)] Waiting until timeout for monitored process [2023-12-02 15:15:20,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 15:15:20,117 INFO L262 TraceCheckSpWp]: Trace formula consists of 346 conjuncts, 47 conjunts are in the unsatisfiable core [2023-12-02 15:15:20,123 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 15:15:23,643 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2023-12-02 15:15:25,874 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 20 [2023-12-02 15:15:26,690 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 20 [2023-12-02 15:15:27,518 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 20 [2023-12-02 15:15:28,179 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 20 [2023-12-02 15:15:28,682 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 33 [2023-12-02 15:15:28,689 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 14 [2023-12-02 15:15:28,901 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 35 [2023-12-02 15:15:29,080 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 31 [2023-12-02 15:15:29,505 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 51 [2023-12-02 15:15:29,684 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 32 [2023-12-02 15:15:29,964 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 24 proven. 388 refuted. 0 times theorem prover too weak. 132 trivial. 0 not checked. [2023-12-02 15:15:29,964 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 15:15:29,990 WARN L854 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_526 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse0 (store |c_#memory_int| c_~var_1_1_Pointer~0.base v_ArrVal_526))) (bvsgt ((_ sign_extend 24) ((_ extract 7 0) (select (select .cse0 c_~var_1_10_Pointer~0.base) c_~var_1_10_Pointer~0.offset))) ((_ sign_extend 16) ((_ extract 15 0) (select (select .cse0 c_~var_1_22_Pointer~0.base) c_~var_1_22_Pointer~0.offset)))))) is different from false [2023-12-02 15:15:30,187 WARN L854 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_525 (_ BitVec 32)) (v_ArrVal_483 (Array (_ BitVec 32) (_ BitVec 32))) (~var_1_10_Pointer~0.offset (_ BitVec 32))) (let ((.cse1 (store |c_#memory_int| c_~var_1_10_Pointer~0.base (store (select |c_#memory_int| c_~var_1_10_Pointer~0.base) ~var_1_10_Pointer~0.offset v_ArrVal_525)))) (or (let ((.cse0 (store .cse1 c_~var_1_1_Pointer~0.base v_ArrVal_483))) (bvsgt ((_ sign_extend 24) ((_ extract 7 0) (select (select .cse0 c_~var_1_10_Pointer~0.base) ~var_1_10_Pointer~0.offset))) ((_ sign_extend 16) ((_ extract 15 0) (select (select .cse0 c_~var_1_22_Pointer~0.base) c_~var_1_22_Pointer~0.offset))))) (not (bvsgt ((_ sign_extend 24) ((_ extract 7 0) v_ArrVal_525)) ((_ sign_extend 16) ((_ extract 15 0) (select (select .cse1 c_~var_1_22_Pointer~0.base) c_~var_1_22_Pointer~0.offset)))))))) is different from false [2023-12-02 15:15:30,234 WARN L854 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_525 (_ BitVec 32)) (v_ArrVal_483 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_523 (Array (_ BitVec 32) (_ BitVec 32))) (~var_1_10_Pointer~0.offset (_ BitVec 32))) (let ((.cse1 (let ((.cse2 (store |c_#memory_int| c_~var_1_13_Pointer~0.base v_ArrVal_523))) (store .cse2 c_~var_1_10_Pointer~0.base (store (select .cse2 c_~var_1_10_Pointer~0.base) ~var_1_10_Pointer~0.offset v_ArrVal_525))))) (or (let ((.cse0 (store .cse1 c_~var_1_1_Pointer~0.base v_ArrVal_483))) (bvsgt ((_ sign_extend 24) ((_ extract 7 0) (select (select .cse0 c_~var_1_10_Pointer~0.base) ~var_1_10_Pointer~0.offset))) ((_ sign_extend 16) ((_ extract 15 0) (select (select .cse0 c_~var_1_22_Pointer~0.base) c_~var_1_22_Pointer~0.offset))))) (not (bvsgt ((_ sign_extend 24) ((_ extract 7 0) v_ArrVal_525)) ((_ sign_extend 16) ((_ extract 15 0) (select (select .cse1 c_~var_1_22_Pointer~0.base) c_~var_1_22_Pointer~0.offset)))))))) is different from false [2023-12-02 15:15:30,403 WARN L854 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_520 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_521 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_525 (_ BitVec 32)) (v_ArrVal_483 (Array (_ BitVec 32) (_ BitVec 32))) (~var_1_20_Pointer~0.offset (_ BitVec 32)) (|v_skolemized_q#valueAsBitvector_46| (_ BitVec 32)) (v_ArrVal_523 (Array (_ BitVec 32) (_ BitVec 32))) (~var_1_10_Pointer~0.offset (_ BitVec 32)) (~var_1_22_Pointer~0.offset (_ BitVec 32))) (let ((.cse1 (let ((.cse2 (store (let ((.cse3 (store |c_#memory_int| c_~var_1_18_Pointer~0.base v_ArrVal_521))) (store (store .cse3 c_~var_1_20_Pointer~0.base v_ArrVal_520) c_~var_1_22_Pointer~0.base (let ((.cse4 (store .cse3 c_~var_1_20_Pointer~0.base (store (select .cse3 c_~var_1_20_Pointer~0.base) ~var_1_20_Pointer~0.offset |v_skolemized_q#valueAsBitvector_46|)))) (store (select .cse4 c_~var_1_22_Pointer~0.base) ~var_1_22_Pointer~0.offset ((_ sign_extend 16) ((_ sign_extend 8) ((_ extract 7 0) (select (select .cse4 c_~var_1_12_Pointer~0.base) c_~var_1_12_Pointer~0.offset)))))))) c_~var_1_13_Pointer~0.base v_ArrVal_523))) (store .cse2 c_~var_1_10_Pointer~0.base (store (select .cse2 c_~var_1_10_Pointer~0.base) ~var_1_10_Pointer~0.offset v_ArrVal_525))))) (or (let ((.cse0 (store .cse1 c_~var_1_1_Pointer~0.base v_ArrVal_483))) (bvsgt ((_ sign_extend 24) ((_ extract 7 0) (select (select .cse0 c_~var_1_10_Pointer~0.base) ~var_1_10_Pointer~0.offset))) ((_ sign_extend 16) ((_ extract 15 0) (select (select .cse0 c_~var_1_22_Pointer~0.base) ~var_1_22_Pointer~0.offset))))) (not (bvsgt ((_ sign_extend 24) ((_ extract 7 0) v_ArrVal_525)) ((_ sign_extend 16) ((_ extract 15 0) (select (select .cse1 c_~var_1_22_Pointer~0.base) ~var_1_22_Pointer~0.offset)))))))) is different from false [2023-12-02 15:15:30,507 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [2140689357] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 15:15:30,507 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1061733243] [2023-12-02 15:15:30,507 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 15:15:30,507 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 15:15:30,507 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e590d9d2-6d03-44ae-bf22-e91eb6e69035/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 15:15:30,508 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e590d9d2-6d03-44ae-bf22-e91eb6e69035/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 15:15:30,509 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e590d9d2-6d03-44ae-bf22-e91eb6e69035/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2023-12-02 15:15:30,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 15:15:30,703 INFO L262 TraceCheckSpWp]: Trace formula consists of 346 conjuncts, 27 conjunts are in the unsatisfiable core [2023-12-02 15:15:30,709 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 15:15:33,282 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2023-12-02 15:15:34,697 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 71 [2023-12-02 15:15:34,702 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 1 [2023-12-02 15:15:34,973 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 161 treesize of output 77 [2023-12-02 15:15:34,982 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 64 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2023-12-02 15:15:34,982 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 15:15:35,633 WARN L854 $PredicateComparison]: unable to prove that (forall ((|v_ULTIMATE.start_step_#t~mem11#1_31| (_ FloatingPoint 8 24)) (v_ArrVal_560 (Array (_ BitVec 32) (_ BitVec 32))) (~var_1_20_Pointer~0.offset (_ BitVec 32)) (|v_skolemized_q#valueAsBitvector_49| (_ BitVec 32)) (v_ArrVal_559 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse2 (store |c_#memory_int| c_~var_1_18_Pointer~0.base v_ArrVal_560))) (let ((.cse0 (let ((.cse3 (select (select (store (store .cse2 c_~var_1_20_Pointer~0.base (store (select .cse2 c_~var_1_20_Pointer~0.base) ~var_1_20_Pointer~0.offset |v_skolemized_q#valueAsBitvector_49|)) c_~var_1_22_Pointer~0.base v_ArrVal_559) c_~var_1_20_Pointer~0.base) ~var_1_20_Pointer~0.offset))) (fp ((_ extract 31 31) .cse3) ((_ extract 30 23) .cse3) ((_ extract 22 0) .cse3))))) (or (fp.gt ((_ to_fp 8 24) c_currentRoundingMode (/ 255.0 2.0)) .cse0) (not (= (fp ((_ extract 31 31) |v_skolemized_q#valueAsBitvector_49|) ((_ extract 30 23) |v_skolemized_q#valueAsBitvector_49|) ((_ extract 22 0) |v_skolemized_q#valueAsBitvector_49|)) (let ((.cse1 (select (select .cse2 c_~var_1_21_Pointer~0.base) c_~var_1_21_Pointer~0.offset))) (fp ((_ extract 31 31) .cse1) ((_ extract 30 23) .cse1) ((_ extract 22 0) .cse1))))) (not (fp.geq |v_ULTIMATE.start_step_#t~mem11#1_31| .cse0)))))) is different from false [2023-12-02 15:15:35,673 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1061733243] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 15:15:35,673 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-12-02 15:15:35,673 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 21, 7] total 53 [2023-12-02 15:15:35,674 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [646669681] [2023-12-02 15:15:35,674 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-12-02 15:15:35,674 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 54 states [2023-12-02 15:15:35,674 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 15:15:35,675 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 54 interpolants. [2023-12-02 15:15:35,677 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=289, Invalid=3393, Unknown=10, NotChecked=1000, Total=4692 [2023-12-02 15:15:35,677 INFO L87 Difference]: Start difference. First operand 158 states and 204 transitions. Second operand has 54 states, 49 states have (on average 3.4081632653061225) internal successors, (167), 45 states have internal predecessors, (167), 17 states have call successors, (51), 16 states have call predecessors, (51), 17 states have return successors, (51), 17 states have call predecessors, (51), 17 states have call successors, (51) [2023-12-02 15:16:05,517 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 15:16:05,517 INFO L93 Difference]: Finished difference Result 632 states and 829 transitions. [2023-12-02 15:16:05,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2023-12-02 15:16:05,519 INFO L78 Accepts]: Start accepts. Automaton has has 54 states, 49 states have (on average 3.4081632653061225) internal successors, (167), 45 states have internal predecessors, (167), 17 states have call successors, (51), 16 states have call predecessors, (51), 17 states have return successors, (51), 17 states have call predecessors, (51), 17 states have call successors, (51) Word has length 133 [2023-12-02 15:16:05,519 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 15:16:05,521 INFO L225 Difference]: With dead ends: 632 [2023-12-02 15:16:05,521 INFO L226 Difference]: Without dead ends: 475 [2023-12-02 15:16:05,526 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 522 GetRequests, 412 SyntacticMatches, 1 SemanticMatches, 109 ConstructedPredicates, 8 IntricatePredicates, 0 DeprecatedPredicates, 2536 ImplicationChecksByTransitivity, 23.4s TimeCoverageRelationStatistics Valid=1543, Invalid=8985, Unknown=10, NotChecked=1672, Total=12210 [2023-12-02 15:16:05,526 INFO L413 NwaCegarLoop]: 105 mSDtfsCounter, 3665 mSDsluCounter, 1979 mSDsCounter, 0 mSdLazyCounter, 3350 mSolverCounterSat, 466 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3665 SdHoareTripleChecker+Valid, 2084 SdHoareTripleChecker+Invalid, 3817 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 466 IncrementalHoareTripleChecker+Valid, 3350 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.8s IncrementalHoareTripleChecker+Time [2023-12-02 15:16:05,527 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3665 Valid, 2084 Invalid, 3817 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [466 Valid, 3350 Invalid, 1 Unknown, 0 Unchecked, 14.8s Time] [2023-12-02 15:16:05,527 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 475 states. [2023-12-02 15:16:05,550 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 475 to 165. [2023-12-02 15:16:05,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 165 states, 137 states have (on average 1.2554744525547445) internal successors, (172), 137 states have internal predecessors, (172), 19 states have call successors, (19), 8 states have call predecessors, (19), 8 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2023-12-02 15:16:05,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 165 states and 210 transitions. [2023-12-02 15:16:05,551 INFO L78 Accepts]: Start accepts. Automaton has 165 states and 210 transitions. Word has length 133 [2023-12-02 15:16:05,551 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 15:16:05,551 INFO L495 AbstractCegarLoop]: Abstraction has 165 states and 210 transitions. [2023-12-02 15:16:05,552 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 54 states, 49 states have (on average 3.4081632653061225) internal successors, (167), 45 states have internal predecessors, (167), 17 states have call successors, (51), 16 states have call predecessors, (51), 17 states have return successors, (51), 17 states have call predecessors, (51), 17 states have call successors, (51) [2023-12-02 15:16:05,552 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 210 transitions. [2023-12-02 15:16:05,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2023-12-02 15:16:05,553 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 15:16:05,553 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 15:16:05,563 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e590d9d2-6d03-44ae-bf22-e91eb6e69035/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (16)] Ended with exit code 0 [2023-12-02 15:16:05,759 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e590d9d2-6d03-44ae-bf22-e91eb6e69035/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (17)] Forceful destruction successful, exit code 0 [2023-12-02 15:16:05,960 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e590d9d2-6d03-44ae-bf22-e91eb6e69035/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Ended with exit code 0 [2023-12-02 15:16:06,153 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e590d9d2-6d03-44ae-bf22-e91eb6e69035/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e590d9d2-6d03-44ae-bf22-e91eb6e69035/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt,18 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e590d9d2-6d03-44ae-bf22-e91eb6e69035/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 15:16:06,154 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 15:16:06,155 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 15:16:06,155 INFO L85 PathProgramCache]: Analyzing trace with hash -1985400877, now seen corresponding path program 1 times [2023-12-02 15:16:06,156 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 15:16:06,156 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1911555274] [2023-12-02 15:16:06,156 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 15:16:06,156 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 15:16:06,156 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e590d9d2-6d03-44ae-bf22-e91eb6e69035/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 15:16:06,157 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e590d9d2-6d03-44ae-bf22-e91eb6e69035/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-02 15:16:06,158 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e590d9d2-6d03-44ae-bf22-e91eb6e69035/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (19)] Waiting until timeout for monitored process [2023-12-02 15:16:06,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 15:16:06,520 INFO L262 TraceCheckSpWp]: Trace formula consists of 347 conjuncts, 34 conjunts are in the unsatisfiable core [2023-12-02 15:16:06,525 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 15:16:10,536 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 20 [2023-12-02 15:16:10,990 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 20 [2023-12-02 15:16:11,283 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 20 [2023-12-02 15:16:11,420 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 26 [2023-12-02 15:16:11,527 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 31 [2023-12-02 15:16:11,589 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 19 [2023-12-02 15:16:11,622 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 36 proven. 228 refuted. 0 times theorem prover too weak. 280 trivial. 0 not checked. [2023-12-02 15:16:11,622 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 15:16:12,301 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 15:16:12,301 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1911555274] [2023-12-02 15:16:12,301 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1911555274] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 15:16:12,301 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1731918722] [2023-12-02 15:16:12,301 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 15:16:12,301 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 15:16:12,301 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e590d9d2-6d03-44ae-bf22-e91eb6e69035/bin/utaipan-verify-nQ1chXbOIh/cvc4 [2023-12-02 15:16:12,302 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e590d9d2-6d03-44ae-bf22-e91eb6e69035/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 15:16:12,304 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e590d9d2-6d03-44ae-bf22-e91eb6e69035/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (20)] Waiting until timeout for monitored process [2023-12-02 15:16:12,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 15:16:12,928 INFO L262 TraceCheckSpWp]: Trace formula consists of 347 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-02 15:16:12,932 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 15:16:13,434 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2023-12-02 15:16:13,507 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 13 [2023-12-02 15:16:13,560 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 18 treesize of output 10 [2023-12-02 15:16:13,887 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2023-12-02 15:16:13,887 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 15:16:13,887 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1731918722] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 15:16:13,887 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-12-02 15:16:13,887 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [18] total 22 [2023-12-02 15:16:13,888 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [386569715] [2023-12-02 15:16:13,888 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 15:16:13,888 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-12-02 15:16:13,888 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 15:16:13,889 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-12-02 15:16:13,889 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=111, Invalid=628, Unknown=17, NotChecked=0, Total=756 [2023-12-02 15:16:13,889 INFO L87 Difference]: Start difference. First operand 165 states and 210 transitions. Second operand has 6 states, 6 states have (on average 8.5) internal successors, (51), 5 states have internal predecessors, (51), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2023-12-02 15:16:14,525 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 15:16:14,525 INFO L93 Difference]: Finished difference Result 372 states and 477 transitions. [2023-12-02 15:16:14,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-02 15:16:14,526 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.5) internal successors, (51), 5 states have internal predecessors, (51), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 133 [2023-12-02 15:16:14,526 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 15:16:14,527 INFO L225 Difference]: With dead ends: 372 [2023-12-02 15:16:14,527 INFO L226 Difference]: Without dead ends: 208 [2023-12-02 15:16:14,528 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 294 GetRequests, 265 SyntacticMatches, 1 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 263 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=126, Invalid=727, Unknown=17, NotChecked=0, Total=870 [2023-12-02 15:16:14,529 INFO L413 NwaCegarLoop]: 138 mSDtfsCounter, 117 mSDsluCounter, 241 mSDsCounter, 0 mSdLazyCounter, 307 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 117 SdHoareTripleChecker+Valid, 379 SdHoareTripleChecker+Invalid, 309 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 307 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-12-02 15:16:14,529 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [117 Valid, 379 Invalid, 309 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 307 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-12-02 15:16:14,530 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 208 states. [2023-12-02 15:16:14,561 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 208 to 161. [2023-12-02 15:16:14,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 161 states, 133 states have (on average 1.255639097744361) internal successors, (167), 133 states have internal predecessors, (167), 19 states have call successors, (19), 8 states have call predecessors, (19), 8 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2023-12-02 15:16:14,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 161 states and 205 transitions. [2023-12-02 15:16:14,563 INFO L78 Accepts]: Start accepts. Automaton has 161 states and 205 transitions. Word has length 133 [2023-12-02 15:16:14,563 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 15:16:14,564 INFO L495 AbstractCegarLoop]: Abstraction has 161 states and 205 transitions. [2023-12-02 15:16:14,564 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.5) internal successors, (51), 5 states have internal predecessors, (51), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2023-12-02 15:16:14,564 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 205 transitions. [2023-12-02 15:16:14,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2023-12-02 15:16:14,565 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 15:16:14,565 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 15:16:14,573 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e590d9d2-6d03-44ae-bf22-e91eb6e69035/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (19)] Ended with exit code 0 [2023-12-02 15:16:14,771 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e590d9d2-6d03-44ae-bf22-e91eb6e69035/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (20)] Ended with exit code 0 [2023-12-02 15:16:14,966 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e590d9d2-6d03-44ae-bf22-e91eb6e69035/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,20 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e590d9d2-6d03-44ae-bf22-e91eb6e69035/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt [2023-12-02 15:16:14,966 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 15:16:14,967 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 15:16:14,967 INFO L85 PathProgramCache]: Analyzing trace with hash -772873860, now seen corresponding path program 1 times [2023-12-02 15:16:14,967 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 15:16:14,967 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [511993090] [2023-12-02 15:16:14,967 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 15:16:14,967 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 15:16:14,968 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e590d9d2-6d03-44ae-bf22-e91eb6e69035/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 15:16:14,968 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e590d9d2-6d03-44ae-bf22-e91eb6e69035/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-02 15:16:14,969 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e590d9d2-6d03-44ae-bf22-e91eb6e69035/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (21)] Waiting until timeout for monitored process [2023-12-02 15:16:15,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 15:16:15,181 INFO L262 TraceCheckSpWp]: Trace formula consists of 343 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 15:16:15,185 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 15:16:15,211 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2023-12-02 15:16:15,211 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 15:16:15,211 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 15:16:15,211 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [511993090] [2023-12-02 15:16:15,211 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [511993090] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 15:16:15,211 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 15:16:15,212 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-12-02 15:16:15,212 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [607468265] [2023-12-02 15:16:15,212 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 15:16:15,212 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-12-02 15:16:15,212 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 15:16:15,213 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-12-02 15:16:15,213 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-12-02 15:16:15,213 INFO L87 Difference]: Start difference. First operand 161 states and 205 transitions. Second operand has 6 states, 6 states have (on average 8.5) internal successors, (51), 6 states have internal predecessors, (51), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2023-12-02 15:16:15,356 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 15:16:15,357 INFO L93 Difference]: Finished difference Result 340 states and 435 transitions. [2023-12-02 15:16:15,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-12-02 15:16:15,357 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.5) internal successors, (51), 6 states have internal predecessors, (51), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 133 [2023-12-02 15:16:15,358 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 15:16:15,359 INFO L225 Difference]: With dead ends: 340 [2023-12-02 15:16:15,359 INFO L226 Difference]: Without dead ends: 180 [2023-12-02 15:16:15,360 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 135 GetRequests, 128 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2023-12-02 15:16:15,360 INFO L413 NwaCegarLoop]: 146 mSDtfsCounter, 80 mSDsluCounter, 487 mSDsCounter, 0 mSdLazyCounter, 50 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 80 SdHoareTripleChecker+Valid, 633 SdHoareTripleChecker+Invalid, 52 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 50 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-02 15:16:15,360 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [80 Valid, 633 Invalid, 52 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 50 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-02 15:16:15,361 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 180 states. [2023-12-02 15:16:15,382 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 180 to 162. [2023-12-02 15:16:15,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 162 states, 134 states have (on average 1.2537313432835822) internal successors, (168), 134 states have internal predecessors, (168), 19 states have call successors, (19), 8 states have call predecessors, (19), 8 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2023-12-02 15:16:15,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 162 states and 206 transitions. [2023-12-02 15:16:15,383 INFO L78 Accepts]: Start accepts. Automaton has 162 states and 206 transitions. Word has length 133 [2023-12-02 15:16:15,384 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 15:16:15,384 INFO L495 AbstractCegarLoop]: Abstraction has 162 states and 206 transitions. [2023-12-02 15:16:15,384 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.5) internal successors, (51), 6 states have internal predecessors, (51), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2023-12-02 15:16:15,384 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 206 transitions. [2023-12-02 15:16:15,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2023-12-02 15:16:15,385 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 15:16:15,385 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 15:16:15,392 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e590d9d2-6d03-44ae-bf22-e91eb6e69035/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (21)] Forceful destruction successful, exit code 0 [2023-12-02 15:16:15,585 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e590d9d2-6d03-44ae-bf22-e91eb6e69035/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 15:16:15,585 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 15:16:15,586 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 15:16:15,586 INFO L85 PathProgramCache]: Analyzing trace with hash 1088882356, now seen corresponding path program 1 times [2023-12-02 15:16:15,586 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 15:16:15,586 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [120988705] [2023-12-02 15:16:15,586 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 15:16:15,587 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 15:16:15,587 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e590d9d2-6d03-44ae-bf22-e91eb6e69035/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 15:16:15,588 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e590d9d2-6d03-44ae-bf22-e91eb6e69035/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-02 15:16:15,589 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e590d9d2-6d03-44ae-bf22-e91eb6e69035/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (22)] Waiting until timeout for monitored process [2023-12-02 15:16:16,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 15:16:16,044 INFO L262 TraceCheckSpWp]: Trace formula consists of 353 conjuncts, 62 conjunts are in the unsatisfiable core [2023-12-02 15:16:16,051 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 15:16:19,654 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2023-12-02 15:16:21,437 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 20 [2023-12-02 15:16:23,538 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 39 [2023-12-02 15:16:24,581 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 39 [2023-12-02 15:16:25,560 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 39 [2023-12-02 15:16:26,517 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 39 [2023-12-02 15:16:27,281 INFO L349 Elim1Store]: treesize reduction 41, result has 30.5 percent of original size [2023-12-02 15:16:27,281 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 6 new quantified variables, introduced 5 case distinctions, treesize of input 74 treesize of output 92 [2023-12-02 15:16:27,385 INFO L349 Elim1Store]: treesize reduction 57, result has 26.9 percent of original size [2023-12-02 15:16:27,385 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 81 treesize of output 94 [2023-12-02 15:16:27,450 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2023-12-02 15:16:27,503 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 14 [2023-12-02 15:16:27,541 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 14 [2023-12-02 15:16:27,587 INFO L349 Elim1Store]: treesize reduction 15, result has 42.3 percent of original size [2023-12-02 15:16:27,587 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 12 treesize of output 21 [2023-12-02 15:16:27,800 INFO L349 Elim1Store]: treesize reduction 62, result has 44.1 percent of original size [2023-12-02 15:16:27,800 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 40 treesize of output 100 [2023-12-02 15:16:29,855 INFO L349 Elim1Store]: treesize reduction 58, result has 43.7 percent of original size [2023-12-02 15:16:29,856 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 55 treesize of output 112 [2023-12-02 15:16:30,257 INFO L349 Elim1Store]: treesize reduction 98, result has 14.8 percent of original size [2023-12-02 15:16:30,257 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 7 case distinctions, treesize of input 44 treesize of output 41 [2023-12-02 15:16:30,552 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 15:16:30,553 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 17 treesize of output 21 [2023-12-02 15:17:05,662 WARN L293 SmtUtils]: Spent 21.73s on a formula simplification. DAG size of input: 136 DAG size of output: 51 (called from [L 346] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2023-12-02 15:17:05,662 INFO L349 Elim1Store]: treesize reduction 176, result has 32.6 percent of original size [2023-12-02 15:17:05,663 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 10 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 26 case distinctions, treesize of input 1255 treesize of output 985 [2023-12-02 15:17:12,014 INFO L349 Elim1Store]: treesize reduction 33, result has 41.1 percent of original size [2023-12-02 15:17:12,014 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 28 treesize of output 67 [2023-12-02 15:18:17,052 INFO L349 Elim1Store]: treesize reduction 20, result has 35.5 percent of original size [2023-12-02 15:18:17,052 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 35 [2023-12-02 15:18:23,045 INFO L349 Elim1Store]: treesize reduction 33, result has 41.1 percent of original size [2023-12-02 15:18:23,045 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 28 treesize of output 67 [2023-12-02 15:18:23,376 INFO L349 Elim1Store]: treesize reduction 20, result has 35.5 percent of original size [2023-12-02 15:18:23,376 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 35 [2023-12-02 15:18:23,575 INFO L349 Elim1Store]: treesize reduction 20, result has 35.5 percent of original size [2023-12-02 15:18:23,575 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 35 [2023-12-02 15:18:27,740 INFO L349 Elim1Store]: treesize reduction 20, result has 35.5 percent of original size [2023-12-02 15:18:27,740 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 35 [2023-12-02 15:19:40,695 WARN L293 SmtUtils]: Spent 6.80s on a formula simplification. DAG size of input: 958 DAG size of output: 1012 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 15:19:51,598 WARN L293 SmtUtils]: Spent 5.94s on a formula simplification. DAG size of input: 872 DAG size of output: 1029 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 15:22:10,351 INFO L349 Elim1Store]: treesize reduction 15, result has 42.3 percent of original size [2023-12-02 15:22:10,351 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 12 treesize of output 21 [2023-12-02 15:22:10,629 INFO L349 Elim1Store]: treesize reduction 15, result has 42.3 percent of original size [2023-12-02 15:22:10,630 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 12 treesize of output 21 [2023-12-02 15:22:26,692 INFO L349 Elim1Store]: treesize reduction 20, result has 35.5 percent of original size [2023-12-02 15:22:26,692 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 35 [2023-12-02 15:22:26,815 INFO L349 Elim1Store]: treesize reduction 33, result has 41.1 percent of original size [2023-12-02 15:22:26,815 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 28 treesize of output 67 [2023-12-02 15:22:27,020 INFO L349 Elim1Store]: treesize reduction 15, result has 42.3 percent of original size [2023-12-02 15:22:27,020 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 12 treesize of output 21 [2023-12-02 15:22:27,893 INFO L349 Elim1Store]: treesize reduction 15, result has 42.3 percent of original size [2023-12-02 15:22:27,893 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 12 treesize of output 21 [2023-12-02 15:22:34,768 INFO L349 Elim1Store]: treesize reduction 20, result has 35.5 percent of original size [2023-12-02 15:22:34,769 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 35 [2023-12-02 15:22:35,638 INFO L349 Elim1Store]: treesize reduction 15, result has 42.3 percent of original size [2023-12-02 15:22:35,638 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 12 treesize of output 21 [2023-12-02 15:23:00,539 INFO L349 Elim1Store]: treesize reduction 15, result has 42.3 percent of original size [2023-12-02 15:23:00,540 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 12 treesize of output 21 [2023-12-02 15:23:14,577 INFO L349 Elim1Store]: treesize reduction 15, result has 42.3 percent of original size [2023-12-02 15:23:14,578 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 12 treesize of output 21 [2023-12-02 15:23:15,889 INFO L349 Elim1Store]: treesize reduction 33, result has 41.1 percent of original size [2023-12-02 15:23:15,889 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 28 treesize of output 67 [2023-12-02 15:23:27,993 INFO L349 Elim1Store]: treesize reduction 15, result has 42.3 percent of original size [2023-12-02 15:23:27,994 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 12 treesize of output 21 [2023-12-02 15:23:32,467 INFO L349 Elim1Store]: treesize reduction 15, result has 42.3 percent of original size [2023-12-02 15:23:32,468 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 12 treesize of output 21 [2023-12-02 15:23:32,617 INFO L349 Elim1Store]: treesize reduction 15, result has 42.3 percent of original size [2023-12-02 15:23:32,618 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 12 treesize of output 21 [2023-12-02 15:23:37,493 INFO L349 Elim1Store]: treesize reduction 33, result has 41.1 percent of original size [2023-12-02 15:23:37,493 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 28 treesize of output 67 [2023-12-02 15:23:37,684 INFO L349 Elim1Store]: treesize reduction 15, result has 42.3 percent of original size [2023-12-02 15:23:37,684 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 12 treesize of output 21 [2023-12-02 15:23:48,759 INFO L349 Elim1Store]: treesize reduction 15, result has 42.3 percent of original size [2023-12-02 15:23:48,759 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 12 treesize of output 21 [2023-12-02 15:24:03,030 WARN L293 SmtUtils]: Spent 7.30s on a formula simplification. DAG size of input: 1628 DAG size of output: 1628 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify)