./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-sp_file-26.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_63d70c75-b3af-41e4-a8e6-569ac4bc115c/bin/utaipan-verify-SwPr7d2a91/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63d70c75-b3af-41e4-a8e6-569ac4bc115c/bin/utaipan-verify-SwPr7d2a91/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63d70c75-b3af-41e4-a8e6-569ac4bc115c/bin/utaipan-verify-SwPr7d2a91/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63d70c75-b3af-41e4-a8e6-569ac4bc115c/bin/utaipan-verify-SwPr7d2a91/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-sp_file-26.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63d70c75-b3af-41e4-a8e6-569ac4bc115c/bin/utaipan-verify-SwPr7d2a91/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63d70c75-b3af-41e4-a8e6-569ac4bc115c/bin/utaipan-verify-SwPr7d2a91 --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 3291167999bb7bd7f68091110884d1151ee296ff17c178c4f709963149d4b67b --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-25 00:02:03,638 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-25 00:02:03,744 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63d70c75-b3af-41e4-a8e6-569ac4bc115c/bin/utaipan-verify-SwPr7d2a91/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-11-25 00:02:03,755 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-25 00:02:03,756 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-25 00:02:03,789 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-25 00:02:03,790 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-25 00:02:03,790 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-25 00:02:03,791 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-25 00:02:03,792 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-25 00:02:03,792 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-25 00:02:03,793 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-25 00:02:03,793 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-25 00:02:03,794 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-25 00:02:03,794 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-25 00:02:03,795 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-25 00:02:03,795 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-25 00:02:03,796 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-25 00:02:03,796 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-25 00:02:03,797 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-25 00:02:03,797 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-25 00:02:03,798 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-25 00:02:03,799 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-25 00:02:03,799 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-25 00:02:03,800 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-25 00:02:03,800 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-25 00:02:03,801 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-25 00:02:03,801 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-25 00:02:03,802 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-25 00:02:03,802 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-25 00:02:03,803 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-25 00:02:03,803 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-25 00:02:03,803 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-25 00:02:03,804 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-25 00:02:03,804 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-25 00:02:03,805 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-25 00:02:03,805 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-25 00:02:03,805 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-25 00:02:03,806 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-25 00:02:03,806 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-25 00:02:03,806 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-25 00:02:03,806 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-25 00:02:03,807 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-25 00:02:03,807 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-25 00:02:03,807 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-25 00:02:03,807 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-25 00:02:03,808 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-25 00:02:03,808 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_63d70c75-b3af-41e4-a8e6-569ac4bc115c/bin/utaipan-verify-SwPr7d2a91/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63d70c75-b3af-41e4-a8e6-569ac4bc115c/bin/utaipan-verify-SwPr7d2a91 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3291167999bb7bd7f68091110884d1151ee296ff17c178c4f709963149d4b67b [2023-11-25 00:02:04,147 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-25 00:02:04,192 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-25 00:02:04,195 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-25 00:02:04,214 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-25 00:02:04,215 INFO L274 PluginConnector]: CDTParser initialized [2023-11-25 00:02:04,216 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63d70c75-b3af-41e4-a8e6-569ac4bc115c/bin/utaipan-verify-SwPr7d2a91/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-sp_file-26.i [2023-11-25 00:02:07,337 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-25 00:02:07,594 INFO L384 CDTParser]: Found 1 translation units. [2023-11-25 00:02:07,594 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63d70c75-b3af-41e4-a8e6-569ac4bc115c/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-sp_file-26.i [2023-11-25 00:02:07,604 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63d70c75-b3af-41e4-a8e6-569ac4bc115c/bin/utaipan-verify-SwPr7d2a91/data/6dd825948/eb63da2c4e6a4ba389221ae0563e95ae/FLAG9709cb7af [2023-11-25 00:02:07,626 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63d70c75-b3af-41e4-a8e6-569ac4bc115c/bin/utaipan-verify-SwPr7d2a91/data/6dd825948/eb63da2c4e6a4ba389221ae0563e95ae [2023-11-25 00:02:07,633 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-25 00:02:07,635 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-25 00:02:07,637 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-25 00:02:07,638 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-25 00:02:07,644 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-25 00:02:07,647 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 12:02:07" (1/1) ... [2023-11-25 00:02:07,649 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2d00d9ae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:02:07, skipping insertion in model container [2023-11-25 00:02:07,650 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 12:02:07" (1/1) ... [2023-11-25 00:02:07,714 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-25 00:02:07,894 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_63d70c75-b3af-41e4-a8e6-569ac4bc115c/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-sp_file-26.i[917,930] [2023-11-25 00:02:07,959 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-25 00:02:07,972 INFO L202 MainTranslator]: Completed pre-run [2023-11-25 00:02:07,985 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_63d70c75-b3af-41e4-a8e6-569ac4bc115c/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-sp_file-26.i[917,930] [2023-11-25 00:02:08,032 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-25 00:02:08,061 INFO L206 MainTranslator]: Completed translation [2023-11-25 00:02:08,061 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:02:08 WrapperNode [2023-11-25 00:02:08,062 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-25 00:02:08,063 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-25 00:02:08,063 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-25 00:02:08,063 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-25 00:02:08,071 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:02:08" (1/1) ... [2023-11-25 00:02:08,087 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:02:08" (1/1) ... [2023-11-25 00:02:08,142 INFO L138 Inliner]: procedures = 29, calls = 150, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 420 [2023-11-25 00:02:08,143 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-25 00:02:08,144 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-25 00:02:08,144 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-25 00:02:08,144 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-25 00:02:08,154 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:02:08" (1/1) ... [2023-11-25 00:02:08,155 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:02:08" (1/1) ... [2023-11-25 00:02:08,162 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:02:08" (1/1) ... [2023-11-25 00:02:08,162 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:02:08" (1/1) ... [2023-11-25 00:02:08,183 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:02:08" (1/1) ... [2023-11-25 00:02:08,188 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:02:08" (1/1) ... [2023-11-25 00:02:08,193 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:02:08" (1/1) ... [2023-11-25 00:02:08,196 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:02:08" (1/1) ... [2023-11-25 00:02:08,204 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-25 00:02:08,205 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-25 00:02:08,205 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-25 00:02:08,205 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-25 00:02:08,206 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:02:08" (1/1) ... [2023-11-25 00:02:08,212 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-25 00:02:08,229 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63d70c75-b3af-41e4-a8e6-569ac4bc115c/bin/utaipan-verify-SwPr7d2a91/z3 [2023-11-25 00:02:08,252 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63d70c75-b3af-41e4-a8e6-569ac4bc115c/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-25 00:02:08,299 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63d70c75-b3af-41e4-a8e6-569ac4bc115c/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-25 00:02:08,320 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-25 00:02:08,320 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-25 00:02:08,320 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2023-11-25 00:02:08,320 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2023-11-25 00:02:08,323 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-25 00:02:08,323 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2023-11-25 00:02:08,324 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-25 00:02:08,324 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-25 00:02:08,324 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-25 00:02:08,324 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-25 00:02:08,325 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-25 00:02:08,506 INFO L241 CfgBuilder]: Building ICFG [2023-11-25 00:02:08,509 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-25 00:02:09,164 INFO L282 CfgBuilder]: Performing block encoding [2023-11-25 00:02:09,804 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-25 00:02:09,805 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-25 00:02:09,807 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 12:02:09 BoogieIcfgContainer [2023-11-25 00:02:09,809 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-25 00:02:09,811 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-25 00:02:09,811 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-25 00:02:09,814 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-25 00:02:09,814 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 12:02:07" (1/3) ... [2023-11-25 00:02:09,815 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6ac943aa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 12:02:09, skipping insertion in model container [2023-11-25 00:02:09,815 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:02:08" (2/3) ... [2023-11-25 00:02:09,816 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6ac943aa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 12:02:09, skipping insertion in model container [2023-11-25 00:02:09,816 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 12:02:09" (3/3) ... [2023-11-25 00:02:09,819 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-sp_file-26.i [2023-11-25 00:02:09,841 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-25 00:02:09,842 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-25 00:02:09,911 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-25 00:02:09,919 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;@38082175, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-25 00:02:09,920 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-25 00:02:09,924 INFO L276 IsEmpty]: Start isEmpty. Operand has 27 states, 15 states have (on average 1.2) internal successors, (18), 16 states have internal predecessors, (18), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2023-11-25 00:02:09,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-11-25 00:02:09,935 INFO L187 NwaCegarLoop]: Found error trace [2023-11-25 00:02:09,936 INFO L195 NwaCegarLoop]: trace histogram [9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-25 00:02:09,937 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-25 00:02:09,945 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-25 00:02:09,945 INFO L85 PathProgramCache]: Analyzing trace with hash 477236185, now seen corresponding path program 1 times [2023-11-25 00:02:09,958 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-25 00:02:09,958 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1546085019] [2023-11-25 00:02:09,959 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-25 00:02:09,959 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-25 00:02:10,244 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-25 00:02:10,245 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1181286951] [2023-11-25 00:02:10,245 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-25 00:02:10,245 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-25 00:02:10,246 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63d70c75-b3af-41e4-a8e6-569ac4bc115c/bin/utaipan-verify-SwPr7d2a91/z3 [2023-11-25 00:02:10,249 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63d70c75-b3af-41e4-a8e6-569ac4bc115c/bin/utaipan-verify-SwPr7d2a91/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-25 00:02:10,263 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63d70c75-b3af-41e4-a8e6-569ac4bc115c/bin/utaipan-verify-SwPr7d2a91/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-25 00:02:11,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-25 00:02:11,360 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-25 00:02:12,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-25 00:02:13,135 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-11-25 00:02:13,139 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-25 00:02:13,140 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-25 00:02:13,169 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63d70c75-b3af-41e4-a8e6-569ac4bc115c/bin/utaipan-verify-SwPr7d2a91/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-25 00:02:13,363 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63d70c75-b3af-41e4-a8e6-569ac4bc115c/bin/utaipan-verify-SwPr7d2a91/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-25 00:02:13,367 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-25 00:02:13,372 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-25 00:02:13,436 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem54 could not be translated [2023-11-25 00:02:13,438 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem54 could not be translated [2023-11-25 00:02:13,439 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem55 could not be translated [2023-11-25 00:02:13,441 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem55 could not be translated [2023-11-25 00:02:13,442 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem57 could not be translated [2023-11-25 00:02:13,442 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short59 could not be translated [2023-11-25 00:02:13,442 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem60 could not be translated [2023-11-25 00:02:13,443 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short62 could not be translated [2023-11-25 00:02:13,443 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short63 could not be translated [2023-11-25 00:02:13,443 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem61 could not be translated [2023-11-25 00:02:13,444 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem58 could not be translated [2023-11-25 00:02:13,445 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem61 could not be translated [2023-11-25 00:02:13,445 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem60 could not be translated [2023-11-25 00:02:13,445 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short63 could not be translated [2023-11-25 00:02:13,446 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem58 could not be translated [2023-11-25 00:02:13,446 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short62 could not be translated [2023-11-25 00:02:13,447 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short59 could not be translated [2023-11-25 00:02:13,447 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem57 could not be translated [2023-11-25 00:02:13,448 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem69 could not be translated [2023-11-25 00:02:13,448 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short71 could not be translated [2023-11-25 00:02:13,448 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem66 could not be translated [2023-11-25 00:02:13,449 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem65 could not be translated [2023-11-25 00:02:13,449 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short67 could not be translated [2023-11-25 00:02:13,449 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem68 could not be translated [2023-11-25 00:02:13,450 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short70 could not be translated [2023-11-25 00:02:13,451 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem65 could not be translated [2023-11-25 00:02:13,451 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem68 could not be translated [2023-11-25 00:02:13,452 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short70 could not be translated [2023-11-25 00:02:13,452 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short67 could not be translated [2023-11-25 00:02:13,452 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short71 could not be translated [2023-11-25 00:02:13,453 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem66 could not be translated [2023-11-25 00:02:13,453 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem69 could not be translated [2023-11-25 00:02:13,454 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem73 could not be translated [2023-11-25 00:02:13,455 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem73 could not be translated [2023-11-25 00:02:13,456 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem74 could not be translated [2023-11-25 00:02:13,457 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem74 could not be translated [2023-11-25 00:02:13,458 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem76 could not be translated [2023-11-25 00:02:13,459 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem76 could not be translated [2023-11-25 00:02:13,460 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem77 could not be translated [2023-11-25 00:02:13,461 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem77 could not be translated [2023-11-25 00:02:13,462 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem78 could not be translated [2023-11-25 00:02:13,463 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem78 could not be translated [2023-11-25 00:02:13,488 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.11 12:02:13 BoogieIcfgContainer [2023-11-25 00:02:13,493 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-25 00:02:13,494 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-25 00:02:13,494 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-25 00:02:13,495 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-25 00:02:13,495 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 12:02:09" (3/4) ... [2023-11-25 00:02:13,498 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-25 00:02:13,499 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-25 00:02:13,501 INFO L158 Benchmark]: Toolchain (without parser) took 5865.41ms. Allocated memory was 130.0MB in the beginning and 211.8MB in the end (delta: 81.8MB). Free memory was 64.1MB in the beginning and 143.5MB in the end (delta: -79.4MB). Peak memory consumption was 4.5MB. Max. memory is 16.1GB. [2023-11-25 00:02:13,502 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 130.0MB. Free memory is still 103.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-25 00:02:13,504 INFO L158 Benchmark]: CACSL2BoogieTranslator took 424.73ms. Allocated memory was 130.0MB in the beginning and 176.2MB in the end (delta: 46.1MB). Free memory was 63.8MB in the beginning and 139.0MB in the end (delta: -75.3MB). Peak memory consumption was 7.8MB. Max. memory is 16.1GB. [2023-11-25 00:02:13,511 INFO L158 Benchmark]: Boogie Procedure Inliner took 80.13ms. Allocated memory is still 176.2MB. Free memory was 139.0MB in the beginning and 134.8MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-25 00:02:13,513 INFO L158 Benchmark]: Boogie Preprocessor took 60.25ms. Allocated memory is still 176.2MB. Free memory was 134.8MB in the beginning and 131.9MB in the end (delta: 3.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-25 00:02:13,515 INFO L158 Benchmark]: RCFGBuilder took 1603.97ms. Allocated memory is still 176.2MB. Free memory was 131.9MB in the beginning and 107.5MB in the end (delta: 24.4MB). Peak memory consumption was 68.2MB. Max. memory is 16.1GB. [2023-11-25 00:02:13,515 INFO L158 Benchmark]: TraceAbstraction took 3682.55ms. Allocated memory was 176.2MB in the beginning and 211.8MB in the end (delta: 35.7MB). Free memory was 107.5MB in the beginning and 144.5MB in the end (delta: -37.0MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-25 00:02:13,516 INFO L158 Benchmark]: Witness Printer took 5.63ms. Allocated memory is still 211.8MB. Free memory was 144.5MB in the beginning and 143.5MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-25 00:02:13,522 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 130.0MB. Free memory is still 103.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 424.73ms. Allocated memory was 130.0MB in the beginning and 176.2MB in the end (delta: 46.1MB). Free memory was 63.8MB in the beginning and 139.0MB in the end (delta: -75.3MB). Peak memory consumption was 7.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 80.13ms. Allocated memory is still 176.2MB. Free memory was 139.0MB in the beginning and 134.8MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 60.25ms. Allocated memory is still 176.2MB. Free memory was 134.8MB in the beginning and 131.9MB in the end (delta: 3.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1603.97ms. Allocated memory is still 176.2MB. Free memory was 131.9MB in the beginning and 107.5MB in the end (delta: 24.4MB). Peak memory consumption was 68.2MB. Max. memory is 16.1GB. * TraceAbstraction took 3682.55ms. Allocated memory was 176.2MB in the beginning and 211.8MB in the end (delta: 35.7MB). Free memory was 107.5MB in the beginning and 144.5MB in the end (delta: -37.0MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 5.63ms. Allocated memory is still 211.8MB. Free memory was 144.5MB in the beginning and 143.5MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - 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~mem57 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short59 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem60 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short62 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short63 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem61 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~mem60 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 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~mem57 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem69 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short71 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem66 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem65 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short67 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem68 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short70 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem65 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem68 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short70 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short67 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short71 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem66 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem69 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem73 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem73 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem74 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem74 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem76 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem76 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem77 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem77 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem78 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem78 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 66, overapproximation of someBinaryArithmeticFLOAToperation at line 61. Possible FailurePath: [L34] unsigned char isInitial = 0; [L35-L46] struct WrapperStruct00 WrapperStruct00 = { -1, 1, 1.125, 199.5, 100000000000000.3, 64, 2, 50, -32, 8.75 }; [L47] signed short int* WrapperStruct00_var_1_1_Pointer = &(WrapperStruct00.var_1_1); [L48] signed short int* WrapperStruct00_var_1_4_Pointer = &(WrapperStruct00.var_1_4); [L49] float* WrapperStruct00_var_1_12_Pointer = &(WrapperStruct00.var_1_12); [L50] float* WrapperStruct00_var_1_13_Pointer = &(WrapperStruct00.var_1_13); [L51] float* WrapperStruct00_var_1_14_Pointer = &(WrapperStruct00.var_1_14); [L52] unsigned char* WrapperStruct00_var_1_15_Pointer = &(WrapperStruct00.var_1_15); [L53] unsigned char* WrapperStruct00_var_1_16_Pointer = &(WrapperStruct00.var_1_16); [L54] unsigned long int* WrapperStruct00_var_1_17_Pointer = &(WrapperStruct00.var_1_17); [L55] signed long int* WrapperStruct00_var_1_19_Pointer = &(WrapperStruct00.var_1_19); [L56] float* WrapperStruct00_var_1_20_Pointer = &(WrapperStruct00.var_1_20); [L57] unsigned char last_1_WrapperStruct00_var_1_15 = 64; [L100] isInitial = 1 [L101] FCALL initially() [L102] COND TRUE 1 [L103] CALL updateLastVariables() [L93] EXPR WrapperStruct00.var_1_15 [L93] last_1_WrapperStruct00_var_1_15 = WrapperStruct00.var_1_15 [L103] RET updateLastVariables() [L104] CALL updateVariables() [L77] WrapperStruct00.var_1_4 = __VERIFIER_nondet_short() [L78] EXPR WrapperStruct00.var_1_4 VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_12_Pointer={4:4}, WrapperStruct00_var_1_13_Pointer={4:8}, WrapperStruct00_var_1_14_Pointer={4:12}, WrapperStruct00_var_1_15_Pointer={4:16}, WrapperStruct00_var_1_16_Pointer={4:17}, WrapperStruct00_var_1_17_Pointer={4:18}, WrapperStruct00_var_1_19_Pointer={4:22}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_20_Pointer={4:26}, WrapperStruct00_var_1_4_Pointer={4:2}, isInitial=1, last_1_WrapperStruct00_var_1_15=64] [L78] CALL assume_abort_if_not(WrapperStruct00.var_1_4 >= -32767) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_12_Pointer={4:4}, WrapperStruct00_var_1_13_Pointer={4:8}, WrapperStruct00_var_1_14_Pointer={4:12}, WrapperStruct00_var_1_15_Pointer={4:16}, WrapperStruct00_var_1_16_Pointer={4:17}, WrapperStruct00_var_1_17_Pointer={4:18}, WrapperStruct00_var_1_19_Pointer={4:22}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_20_Pointer={4:26}, WrapperStruct00_var_1_4_Pointer={4:2}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_15=64] [L20] COND FALSE !(!cond) [L78] RET assume_abort_if_not(WrapperStruct00.var_1_4 >= -32767) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_12_Pointer={4:4}, WrapperStruct00_var_1_13_Pointer={4:8}, WrapperStruct00_var_1_14_Pointer={4:12}, WrapperStruct00_var_1_15_Pointer={4:16}, WrapperStruct00_var_1_16_Pointer={4:17}, WrapperStruct00_var_1_17_Pointer={4:18}, WrapperStruct00_var_1_19_Pointer={4:22}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_20_Pointer={4:26}, WrapperStruct00_var_1_4_Pointer={4:2}, isInitial=1, last_1_WrapperStruct00_var_1_15=64] [L79] EXPR WrapperStruct00.var_1_4 VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_12_Pointer={4:4}, WrapperStruct00_var_1_13_Pointer={4:8}, WrapperStruct00_var_1_14_Pointer={4:12}, WrapperStruct00_var_1_15_Pointer={4:16}, WrapperStruct00_var_1_16_Pointer={4:17}, WrapperStruct00_var_1_17_Pointer={4:18}, WrapperStruct00_var_1_19_Pointer={4:22}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_20_Pointer={4:26}, WrapperStruct00_var_1_4_Pointer={4:2}, isInitial=1, last_1_WrapperStruct00_var_1_15=64] [L79] CALL assume_abort_if_not(WrapperStruct00.var_1_4 <= 32766) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_12_Pointer={4:4}, WrapperStruct00_var_1_13_Pointer={4:8}, WrapperStruct00_var_1_14_Pointer={4:12}, WrapperStruct00_var_1_15_Pointer={4:16}, WrapperStruct00_var_1_16_Pointer={4:17}, WrapperStruct00_var_1_17_Pointer={4:18}, WrapperStruct00_var_1_19_Pointer={4:22}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_20_Pointer={4:26}, WrapperStruct00_var_1_4_Pointer={4:2}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_15=64] [L20] COND FALSE !(!cond) [L79] RET assume_abort_if_not(WrapperStruct00.var_1_4 <= 32766) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_12_Pointer={4:4}, WrapperStruct00_var_1_13_Pointer={4:8}, WrapperStruct00_var_1_14_Pointer={4:12}, WrapperStruct00_var_1_15_Pointer={4:16}, WrapperStruct00_var_1_16_Pointer={4:17}, WrapperStruct00_var_1_17_Pointer={4:18}, WrapperStruct00_var_1_19_Pointer={4:22}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_20_Pointer={4:26}, WrapperStruct00_var_1_4_Pointer={4:2}, isInitial=1, last_1_WrapperStruct00_var_1_15=64] [L80] WrapperStruct00.var_1_13 = __VERIFIER_nondet_float() [L81] EXPR WrapperStruct00.var_1_13 [L81] EXPR WrapperStruct00.var_1_13 >= 0.0F && WrapperStruct00.var_1_13 <= -1.0e-20F [L81] EXPR (WrapperStruct00.var_1_13 >= 0.0F && WrapperStruct00.var_1_13 <= -1.0e-20F) || (WrapperStruct00.var_1_13 <= 4611686.018427382800e+12F && WrapperStruct00.var_1_13 >= 1.0e-20F ) [L81] EXPR WrapperStruct00.var_1_13 [L81] EXPR WrapperStruct00.var_1_13 <= 4611686.018427382800e+12F && WrapperStruct00.var_1_13 >= 1.0e-20F [L81] EXPR WrapperStruct00.var_1_13 [L81] EXPR WrapperStruct00.var_1_13 <= 4611686.018427382800e+12F && WrapperStruct00.var_1_13 >= 1.0e-20F [L81] EXPR (WrapperStruct00.var_1_13 >= 0.0F && WrapperStruct00.var_1_13 <= -1.0e-20F) || (WrapperStruct00.var_1_13 <= 4611686.018427382800e+12F && WrapperStruct00.var_1_13 >= 1.0e-20F ) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_12_Pointer={4:4}, WrapperStruct00_var_1_13_Pointer={4:8}, WrapperStruct00_var_1_14_Pointer={4:12}, WrapperStruct00_var_1_15_Pointer={4:16}, WrapperStruct00_var_1_16_Pointer={4:17}, WrapperStruct00_var_1_17_Pointer={4:18}, WrapperStruct00_var_1_19_Pointer={4:22}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_20_Pointer={4:26}, WrapperStruct00_var_1_4_Pointer={4:2}, isInitial=1, last_1_WrapperStruct00_var_1_15=64] [L81] CALL assume_abort_if_not((WrapperStruct00.var_1_13 >= 0.0F && WrapperStruct00.var_1_13 <= -1.0e-20F) || (WrapperStruct00.var_1_13 <= 4611686.018427382800e+12F && WrapperStruct00.var_1_13 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_12_Pointer={4:4}, WrapperStruct00_var_1_13_Pointer={4:8}, WrapperStruct00_var_1_14_Pointer={4:12}, WrapperStruct00_var_1_15_Pointer={4:16}, WrapperStruct00_var_1_16_Pointer={4:17}, WrapperStruct00_var_1_17_Pointer={4:18}, WrapperStruct00_var_1_19_Pointer={4:22}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_20_Pointer={4:26}, WrapperStruct00_var_1_4_Pointer={4:2}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_15=64] [L20] COND FALSE !(!cond) [L81] RET assume_abort_if_not((WrapperStruct00.var_1_13 >= 0.0F && WrapperStruct00.var_1_13 <= -1.0e-20F) || (WrapperStruct00.var_1_13 <= 4611686.018427382800e+12F && WrapperStruct00.var_1_13 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_12_Pointer={4:4}, WrapperStruct00_var_1_13_Pointer={4:8}, WrapperStruct00_var_1_14_Pointer={4:12}, WrapperStruct00_var_1_15_Pointer={4:16}, WrapperStruct00_var_1_16_Pointer={4:17}, WrapperStruct00_var_1_17_Pointer={4:18}, WrapperStruct00_var_1_19_Pointer={4:22}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_20_Pointer={4:26}, WrapperStruct00_var_1_4_Pointer={4:2}, isInitial=1, last_1_WrapperStruct00_var_1_15=64] [L82] WrapperStruct00.var_1_14 = __VERIFIER_nondet_float() [L83] EXPR WrapperStruct00.var_1_14 [L83] EXPR WrapperStruct00.var_1_14 >= -461168.6018427382800e+13F && WrapperStruct00.var_1_14 <= -1.0e-20F [L83] EXPR WrapperStruct00.var_1_14 [L83] EXPR WrapperStruct00.var_1_14 >= -461168.6018427382800e+13F && WrapperStruct00.var_1_14 <= -1.0e-20F [L83] EXPR (WrapperStruct00.var_1_14 >= -461168.6018427382800e+13F && WrapperStruct00.var_1_14 <= -1.0e-20F) || (WrapperStruct00.var_1_14 <= 4611686.018427382800e+12F && WrapperStruct00.var_1_14 >= 1.0e-20F ) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_12_Pointer={4:4}, WrapperStruct00_var_1_13_Pointer={4:8}, WrapperStruct00_var_1_14_Pointer={4:12}, WrapperStruct00_var_1_15_Pointer={4:16}, WrapperStruct00_var_1_16_Pointer={4:17}, WrapperStruct00_var_1_17_Pointer={4:18}, WrapperStruct00_var_1_19_Pointer={4:22}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_20_Pointer={4:26}, WrapperStruct00_var_1_4_Pointer={4:2}, isInitial=1, last_1_WrapperStruct00_var_1_15=64] [L83] CALL assume_abort_if_not((WrapperStruct00.var_1_14 >= -461168.6018427382800e+13F && WrapperStruct00.var_1_14 <= -1.0e-20F) || (WrapperStruct00.var_1_14 <= 4611686.018427382800e+12F && WrapperStruct00.var_1_14 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_12_Pointer={4:4}, WrapperStruct00_var_1_13_Pointer={4:8}, WrapperStruct00_var_1_14_Pointer={4:12}, WrapperStruct00_var_1_15_Pointer={4:16}, WrapperStruct00_var_1_16_Pointer={4:17}, WrapperStruct00_var_1_17_Pointer={4:18}, WrapperStruct00_var_1_19_Pointer={4:22}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_20_Pointer={4:26}, WrapperStruct00_var_1_4_Pointer={4:2}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_15=64] [L20] COND FALSE !(!cond) [L83] RET assume_abort_if_not((WrapperStruct00.var_1_14 >= -461168.6018427382800e+13F && WrapperStruct00.var_1_14 <= -1.0e-20F) || (WrapperStruct00.var_1_14 <= 4611686.018427382800e+12F && WrapperStruct00.var_1_14 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_12_Pointer={4:4}, WrapperStruct00_var_1_13_Pointer={4:8}, WrapperStruct00_var_1_14_Pointer={4:12}, WrapperStruct00_var_1_15_Pointer={4:16}, WrapperStruct00_var_1_16_Pointer={4:17}, WrapperStruct00_var_1_17_Pointer={4:18}, WrapperStruct00_var_1_19_Pointer={4:22}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_20_Pointer={4:26}, WrapperStruct00_var_1_4_Pointer={4:2}, isInitial=1, last_1_WrapperStruct00_var_1_15=64] [L84] WrapperStruct00.var_1_16 = __VERIFIER_nondet_uchar() [L85] EXPR WrapperStruct00.var_1_16 VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_12_Pointer={4:4}, WrapperStruct00_var_1_13_Pointer={4:8}, WrapperStruct00_var_1_14_Pointer={4:12}, WrapperStruct00_var_1_15_Pointer={4:16}, WrapperStruct00_var_1_16_Pointer={4:17}, WrapperStruct00_var_1_17_Pointer={4:18}, WrapperStruct00_var_1_19_Pointer={4:22}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_20_Pointer={4:26}, WrapperStruct00_var_1_4_Pointer={4:2}, isInitial=1, last_1_WrapperStruct00_var_1_15=64] [L85] CALL assume_abort_if_not(WrapperStruct00.var_1_16 >= 0) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_12_Pointer={4:4}, WrapperStruct00_var_1_13_Pointer={4:8}, WrapperStruct00_var_1_14_Pointer={4:12}, WrapperStruct00_var_1_15_Pointer={4:16}, WrapperStruct00_var_1_16_Pointer={4:17}, WrapperStruct00_var_1_17_Pointer={4:18}, WrapperStruct00_var_1_19_Pointer={4:22}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_20_Pointer={4:26}, WrapperStruct00_var_1_4_Pointer={4:2}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_15=64] [L20] COND FALSE !(!cond) [L85] RET assume_abort_if_not(WrapperStruct00.var_1_16 >= 0) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_12_Pointer={4:4}, WrapperStruct00_var_1_13_Pointer={4:8}, WrapperStruct00_var_1_14_Pointer={4:12}, WrapperStruct00_var_1_15_Pointer={4:16}, WrapperStruct00_var_1_16_Pointer={4:17}, WrapperStruct00_var_1_17_Pointer={4:18}, WrapperStruct00_var_1_19_Pointer={4:22}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_20_Pointer={4:26}, WrapperStruct00_var_1_4_Pointer={4:2}, isInitial=1, last_1_WrapperStruct00_var_1_15=64] [L86] EXPR WrapperStruct00.var_1_16 VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_12_Pointer={4:4}, WrapperStruct00_var_1_13_Pointer={4:8}, WrapperStruct00_var_1_14_Pointer={4:12}, WrapperStruct00_var_1_15_Pointer={4:16}, WrapperStruct00_var_1_16_Pointer={4:17}, WrapperStruct00_var_1_17_Pointer={4:18}, WrapperStruct00_var_1_19_Pointer={4:22}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_20_Pointer={4:26}, WrapperStruct00_var_1_4_Pointer={4:2}, isInitial=1, last_1_WrapperStruct00_var_1_15=64] [L86] CALL assume_abort_if_not(WrapperStruct00.var_1_16 <= 254) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_12_Pointer={4:4}, WrapperStruct00_var_1_13_Pointer={4:8}, WrapperStruct00_var_1_14_Pointer={4:12}, WrapperStruct00_var_1_15_Pointer={4:16}, WrapperStruct00_var_1_16_Pointer={4:17}, WrapperStruct00_var_1_17_Pointer={4:18}, WrapperStruct00_var_1_19_Pointer={4:22}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_20_Pointer={4:26}, WrapperStruct00_var_1_4_Pointer={4:2}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_15=64] [L20] COND FALSE !(!cond) [L86] RET assume_abort_if_not(WrapperStruct00.var_1_16 <= 254) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_12_Pointer={4:4}, WrapperStruct00_var_1_13_Pointer={4:8}, WrapperStruct00_var_1_14_Pointer={4:12}, WrapperStruct00_var_1_15_Pointer={4:16}, WrapperStruct00_var_1_16_Pointer={4:17}, WrapperStruct00_var_1_17_Pointer={4:18}, WrapperStruct00_var_1_19_Pointer={4:22}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_20_Pointer={4:26}, WrapperStruct00_var_1_4_Pointer={4:2}, isInitial=1, last_1_WrapperStruct00_var_1_15=64] [L87] WrapperStruct00.var_1_19 = __VERIFIER_nondet_long() [L88] EXPR WrapperStruct00.var_1_19 VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_12_Pointer={4:4}, WrapperStruct00_var_1_13_Pointer={4:8}, WrapperStruct00_var_1_14_Pointer={4:12}, WrapperStruct00_var_1_15_Pointer={4:16}, WrapperStruct00_var_1_16_Pointer={4:17}, WrapperStruct00_var_1_17_Pointer={4:18}, WrapperStruct00_var_1_19_Pointer={4:22}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_20_Pointer={4:26}, WrapperStruct00_var_1_4_Pointer={4:2}, isInitial=1, last_1_WrapperStruct00_var_1_15=64] [L88] CALL assume_abort_if_not(WrapperStruct00.var_1_19 >= -2147483648) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_12_Pointer={4:4}, WrapperStruct00_var_1_13_Pointer={4:8}, WrapperStruct00_var_1_14_Pointer={4:12}, WrapperStruct00_var_1_15_Pointer={4:16}, WrapperStruct00_var_1_16_Pointer={4:17}, WrapperStruct00_var_1_17_Pointer={4:18}, WrapperStruct00_var_1_19_Pointer={4:22}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_20_Pointer={4:26}, WrapperStruct00_var_1_4_Pointer={4:2}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_15=64] [L20] COND FALSE !(!cond) [L88] RET assume_abort_if_not(WrapperStruct00.var_1_19 >= -2147483648) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_12_Pointer={4:4}, WrapperStruct00_var_1_13_Pointer={4:8}, WrapperStruct00_var_1_14_Pointer={4:12}, WrapperStruct00_var_1_15_Pointer={4:16}, WrapperStruct00_var_1_16_Pointer={4:17}, WrapperStruct00_var_1_17_Pointer={4:18}, WrapperStruct00_var_1_19_Pointer={4:22}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_20_Pointer={4:26}, WrapperStruct00_var_1_4_Pointer={4:2}, isInitial=1, last_1_WrapperStruct00_var_1_15=64] [L89] EXPR WrapperStruct00.var_1_19 VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_12_Pointer={4:4}, WrapperStruct00_var_1_13_Pointer={4:8}, WrapperStruct00_var_1_14_Pointer={4:12}, WrapperStruct00_var_1_15_Pointer={4:16}, WrapperStruct00_var_1_16_Pointer={4:17}, WrapperStruct00_var_1_17_Pointer={4:18}, WrapperStruct00_var_1_19_Pointer={4:22}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_20_Pointer={4:26}, WrapperStruct00_var_1_4_Pointer={4:2}, isInitial=1, last_1_WrapperStruct00_var_1_15=64] [L89] CALL assume_abort_if_not(WrapperStruct00.var_1_19 <= 2147483647) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_12_Pointer={4:4}, WrapperStruct00_var_1_13_Pointer={4:8}, WrapperStruct00_var_1_14_Pointer={4:12}, WrapperStruct00_var_1_15_Pointer={4:16}, WrapperStruct00_var_1_16_Pointer={4:17}, WrapperStruct00_var_1_17_Pointer={4:18}, WrapperStruct00_var_1_19_Pointer={4:22}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_20_Pointer={4:26}, WrapperStruct00_var_1_4_Pointer={4:2}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_15=64] [L20] COND FALSE !(!cond) [L89] RET assume_abort_if_not(WrapperStruct00.var_1_19 <= 2147483647) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_12_Pointer={4:4}, WrapperStruct00_var_1_13_Pointer={4:8}, WrapperStruct00_var_1_14_Pointer={4:12}, WrapperStruct00_var_1_15_Pointer={4:16}, WrapperStruct00_var_1_16_Pointer={4:17}, WrapperStruct00_var_1_17_Pointer={4:18}, WrapperStruct00_var_1_19_Pointer={4:22}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_20_Pointer={4:26}, WrapperStruct00_var_1_4_Pointer={4:2}, isInitial=1, last_1_WrapperStruct00_var_1_15=64] [L90] EXPR WrapperStruct00.var_1_19 VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_12_Pointer={4:4}, WrapperStruct00_var_1_13_Pointer={4:8}, WrapperStruct00_var_1_14_Pointer={4:12}, WrapperStruct00_var_1_15_Pointer={4:16}, WrapperStruct00_var_1_16_Pointer={4:17}, WrapperStruct00_var_1_17_Pointer={4:18}, WrapperStruct00_var_1_19_Pointer={4:22}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_20_Pointer={4:26}, WrapperStruct00_var_1_4_Pointer={4:2}, isInitial=1, last_1_WrapperStruct00_var_1_15=64] [L90] CALL assume_abort_if_not(WrapperStruct00.var_1_19 != 0) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_12_Pointer={4:4}, WrapperStruct00_var_1_13_Pointer={4:8}, WrapperStruct00_var_1_14_Pointer={4:12}, WrapperStruct00_var_1_15_Pointer={4:16}, WrapperStruct00_var_1_16_Pointer={4:17}, WrapperStruct00_var_1_17_Pointer={4:18}, WrapperStruct00_var_1_19_Pointer={4:22}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_20_Pointer={4:26}, WrapperStruct00_var_1_4_Pointer={4:2}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_15=64] [L20] COND FALSE !(!cond) [L90] RET assume_abort_if_not(WrapperStruct00.var_1_19 != 0) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_12_Pointer={4:4}, WrapperStruct00_var_1_13_Pointer={4:8}, WrapperStruct00_var_1_14_Pointer={4:12}, WrapperStruct00_var_1_15_Pointer={4:16}, WrapperStruct00_var_1_16_Pointer={4:17}, WrapperStruct00_var_1_17_Pointer={4:18}, WrapperStruct00_var_1_19_Pointer={4:22}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_20_Pointer={4:26}, WrapperStruct00_var_1_4_Pointer={4:2}, isInitial=1, last_1_WrapperStruct00_var_1_15=64] [L104] RET updateVariables() [L105] CALL step() [L61] EXPR \read(*WrapperStruct00_var_1_13_Pointer) [L61] EXPR \read(*WrapperStruct00_var_1_14_Pointer) [L61] (*(WrapperStruct00_var_1_12_Pointer)) = ((0.85f - (*(WrapperStruct00_var_1_13_Pointer))) + (*(WrapperStruct00_var_1_14_Pointer))) [L62] EXPR \read(*WrapperStruct00_var_1_4_Pointer) [L62] COND FALSE !((- last_1_WrapperStruct00_var_1_15) >= ((*(WrapperStruct00_var_1_4_Pointer)) / ((((-4) < 0 ) ? -(-4) : (-4))))) [L65] EXPR \read(*WrapperStruct00_var_1_13_Pointer) [L65] (*(WrapperStruct00_var_1_20_Pointer)) = (*(WrapperStruct00_var_1_13_Pointer)) [L66] EXPR \read(*WrapperStruct00_var_1_20_Pointer) [L66] EXPR \read(*WrapperStruct00_var_1_20_Pointer) [L66] COND TRUE (*(WrapperStruct00_var_1_20_Pointer)) > (*(WrapperStruct00_var_1_20_Pointer)) [L67] EXPR \read(*WrapperStruct00_var_1_15_Pointer) [L67] EXPR \read(*WrapperStruct00_var_1_15_Pointer) [L67] EXPR (((*(WrapperStruct00_var_1_15_Pointer))) > ((*(WrapperStruct00_var_1_15_Pointer)))) ? ((*(WrapperStruct00_var_1_15_Pointer))) : ((*(WrapperStruct00_var_1_15_Pointer))) [L67] EXPR \read(*WrapperStruct00_var_1_15_Pointer) [L67] EXPR (((*(WrapperStruct00_var_1_15_Pointer))) > ((*(WrapperStruct00_var_1_15_Pointer)))) ? ((*(WrapperStruct00_var_1_15_Pointer))) : ((*(WrapperStruct00_var_1_15_Pointer))) [L67] (*(WrapperStruct00_var_1_1_Pointer)) = (((((*(WrapperStruct00_var_1_15_Pointer))) > ((*(WrapperStruct00_var_1_15_Pointer)))) ? ((*(WrapperStruct00_var_1_15_Pointer))) : ((*(WrapperStruct00_var_1_15_Pointer))))) [L71] EXPR \read(*WrapperStruct00_var_1_15_Pointer) [L71] EXPR \read(*WrapperStruct00_var_1_15_Pointer) [L71] EXPR \read(*WrapperStruct00_var_1_1_Pointer) [L71] signed long int stepLocal_0 = (*(WrapperStruct00_var_1_15_Pointer)) + ((*(WrapperStruct00_var_1_15_Pointer)) + (*(WrapperStruct00_var_1_1_Pointer))); [L72] EXPR \read(*WrapperStruct00_var_1_15_Pointer) [L72] EXPR \read(*WrapperStruct00_var_1_1_Pointer) [L72] EXPR \read(*WrapperStruct00_var_1_19_Pointer) [L72] COND FALSE !(stepLocal_0 != ((*(WrapperStruct00_var_1_15_Pointer)) * ((*(WrapperStruct00_var_1_1_Pointer)) / (*(WrapperStruct00_var_1_19_Pointer))))) [L105] RET step() [L106] CALL, EXPR property() [L96] EXPR \read(*WrapperStruct00_var_1_20_Pointer) [L96] EXPR \read(*WrapperStruct00_var_1_20_Pointer) [L96] EXPR ((*(WrapperStruct00_var_1_20_Pointer)) > (*(WrapperStruct00_var_1_20_Pointer))) ? ((*(WrapperStruct00_var_1_1_Pointer)) == ((signed short int) (((((*(WrapperStruct00_var_1_15_Pointer))) > ((*(WrapperStruct00_var_1_15_Pointer)))) ? ((*(WrapperStruct00_var_1_15_Pointer))) : ((*(WrapperStruct00_var_1_15_Pointer))))))) : ((*(WrapperStruct00_var_1_1_Pointer)) == ((signed short int) ((((((*(WrapperStruct00_var_1_15_Pointer)) - (((((*(WrapperStruct00_var_1_15_Pointer))) > ((*(WrapperStruct00_var_1_15_Pointer)))) ? ((*(WrapperStruct00_var_1_15_Pointer))) : ((*(WrapperStruct00_var_1_15_Pointer))))))) < (((*(WrapperStruct00_var_1_15_Pointer)) + (((((*(WrapperStruct00_var_1_15_Pointer))) < ((*(WrapperStruct00_var_1_15_Pointer)))) ? ((*(WrapperStruct00_var_1_15_Pointer))) : ((*(WrapperStruct00_var_1_15_Pointer)))))))) ? (((*(WrapperStruct00_var_1_15_Pointer)) - (((((*(WrapperStruct00_var_1_15_Pointer))) > ((*(WrapperStruct00_var_1_15_Pointer)))) ? ((*(WrapperStruct00_var_1_15_Pointer))) : ((*(WrapperStruct00_var_1_15_Pointer))))))) : (((*(WrapperStruct00_var_1_15_Pointer)) + (((((*(WrapperStruct00_var_1_15_Pointer))) < ((*(WrapperStruct00_var_1_15_Pointer)))) ? ((*(WrapperStruct00_var_1_15_Pointer))) : ((*(WrapperStruct00_var_1_15_Pointer))))))))))) [L96] EXPR \read(*WrapperStruct00_var_1_1_Pointer) [L96] EXPR \read(*WrapperStruct00_var_1_15_Pointer) [L96] EXPR \read(*WrapperStruct00_var_1_15_Pointer) [L96] EXPR \read(*WrapperStruct00_var_1_15_Pointer) [L96] EXPR (((*(WrapperStruct00_var_1_15_Pointer))) > ((*(WrapperStruct00_var_1_15_Pointer)))) ? ((*(WrapperStruct00_var_1_15_Pointer))) : ((*(WrapperStruct00_var_1_15_Pointer))) [L96] EXPR \read(*WrapperStruct00_var_1_15_Pointer) [L96] EXPR (((*(WrapperStruct00_var_1_15_Pointer))) > ((*(WrapperStruct00_var_1_15_Pointer)))) ? ((*(WrapperStruct00_var_1_15_Pointer))) : ((*(WrapperStruct00_var_1_15_Pointer))) [L96] EXPR \read(*WrapperStruct00_var_1_15_Pointer) [L96] EXPR \read(*WrapperStruct00_var_1_15_Pointer) [L96] EXPR \read(*WrapperStruct00_var_1_15_Pointer) [L96] EXPR (((*(WrapperStruct00_var_1_15_Pointer))) < ((*(WrapperStruct00_var_1_15_Pointer)))) ? ((*(WrapperStruct00_var_1_15_Pointer))) : ((*(WrapperStruct00_var_1_15_Pointer))) [L96] EXPR \read(*WrapperStruct00_var_1_15_Pointer) [L96] EXPR (((*(WrapperStruct00_var_1_15_Pointer))) < ((*(WrapperStruct00_var_1_15_Pointer)))) ? ((*(WrapperStruct00_var_1_15_Pointer))) : ((*(WrapperStruct00_var_1_15_Pointer))) [L96] EXPR ((((*(WrapperStruct00_var_1_15_Pointer)) - (((((*(WrapperStruct00_var_1_15_Pointer))) > ((*(WrapperStruct00_var_1_15_Pointer)))) ? ((*(WrapperStruct00_var_1_15_Pointer))) : ((*(WrapperStruct00_var_1_15_Pointer))))))) < (((*(WrapperStruct00_var_1_15_Pointer)) + (((((*(WrapperStruct00_var_1_15_Pointer))) < ((*(WrapperStruct00_var_1_15_Pointer)))) ? ((*(WrapperStruct00_var_1_15_Pointer))) : ((*(WrapperStruct00_var_1_15_Pointer)))))))) ? (((*(WrapperStruct00_var_1_15_Pointer)) - (((((*(WrapperStruct00_var_1_15_Pointer))) > ((*(WrapperStruct00_var_1_15_Pointer)))) ? ((*(WrapperStruct00_var_1_15_Pointer))) : ((*(WrapperStruct00_var_1_15_Pointer))))))) : (((*(WrapperStruct00_var_1_15_Pointer)) + (((((*(WrapperStruct00_var_1_15_Pointer))) < ((*(WrapperStruct00_var_1_15_Pointer)))) ? ((*(WrapperStruct00_var_1_15_Pointer))) : ((*(WrapperStruct00_var_1_15_Pointer))))))) [L96] EXPR \read(*WrapperStruct00_var_1_15_Pointer) [L96] EXPR \read(*WrapperStruct00_var_1_15_Pointer) [L96] EXPR \read(*WrapperStruct00_var_1_15_Pointer) [L96] EXPR (((*(WrapperStruct00_var_1_15_Pointer))) > ((*(WrapperStruct00_var_1_15_Pointer)))) ? ((*(WrapperStruct00_var_1_15_Pointer))) : ((*(WrapperStruct00_var_1_15_Pointer))) [L96] EXPR \read(*WrapperStruct00_var_1_15_Pointer) [L96] EXPR (((*(WrapperStruct00_var_1_15_Pointer))) > ((*(WrapperStruct00_var_1_15_Pointer)))) ? ((*(WrapperStruct00_var_1_15_Pointer))) : ((*(WrapperStruct00_var_1_15_Pointer))) [L96] EXPR ((((*(WrapperStruct00_var_1_15_Pointer)) - (((((*(WrapperStruct00_var_1_15_Pointer))) > ((*(WrapperStruct00_var_1_15_Pointer)))) ? ((*(WrapperStruct00_var_1_15_Pointer))) : ((*(WrapperStruct00_var_1_15_Pointer))))))) < (((*(WrapperStruct00_var_1_15_Pointer)) + (((((*(WrapperStruct00_var_1_15_Pointer))) < ((*(WrapperStruct00_var_1_15_Pointer)))) ? ((*(WrapperStruct00_var_1_15_Pointer))) : ((*(WrapperStruct00_var_1_15_Pointer)))))))) ? (((*(WrapperStruct00_var_1_15_Pointer)) - (((((*(WrapperStruct00_var_1_15_Pointer))) > ((*(WrapperStruct00_var_1_15_Pointer)))) ? ((*(WrapperStruct00_var_1_15_Pointer))) : ((*(WrapperStruct00_var_1_15_Pointer))))))) : (((*(WrapperStruct00_var_1_15_Pointer)) + (((((*(WrapperStruct00_var_1_15_Pointer))) < ((*(WrapperStruct00_var_1_15_Pointer)))) ? ((*(WrapperStruct00_var_1_15_Pointer))) : ((*(WrapperStruct00_var_1_15_Pointer))))))) [L96] EXPR ((*(WrapperStruct00_var_1_20_Pointer)) > (*(WrapperStruct00_var_1_20_Pointer))) ? ((*(WrapperStruct00_var_1_1_Pointer)) == ((signed short int) (((((*(WrapperStruct00_var_1_15_Pointer))) > ((*(WrapperStruct00_var_1_15_Pointer)))) ? ((*(WrapperStruct00_var_1_15_Pointer))) : ((*(WrapperStruct00_var_1_15_Pointer))))))) : ((*(WrapperStruct00_var_1_1_Pointer)) == ((signed short int) ((((((*(WrapperStruct00_var_1_15_Pointer)) - (((((*(WrapperStruct00_var_1_15_Pointer))) > ((*(WrapperStruct00_var_1_15_Pointer)))) ? ((*(WrapperStruct00_var_1_15_Pointer))) : ((*(WrapperStruct00_var_1_15_Pointer))))))) < (((*(WrapperStruct00_var_1_15_Pointer)) + (((((*(WrapperStruct00_var_1_15_Pointer))) < ((*(WrapperStruct00_var_1_15_Pointer)))) ? ((*(WrapperStruct00_var_1_15_Pointer))) : ((*(WrapperStruct00_var_1_15_Pointer)))))))) ? (((*(WrapperStruct00_var_1_15_Pointer)) - (((((*(WrapperStruct00_var_1_15_Pointer))) > ((*(WrapperStruct00_var_1_15_Pointer)))) ? ((*(WrapperStruct00_var_1_15_Pointer))) : ((*(WrapperStruct00_var_1_15_Pointer))))))) : (((*(WrapperStruct00_var_1_15_Pointer)) + (((((*(WrapperStruct00_var_1_15_Pointer))) < ((*(WrapperStruct00_var_1_15_Pointer)))) ? ((*(WrapperStruct00_var_1_15_Pointer))) : ((*(WrapperStruct00_var_1_15_Pointer))))))))))) [L96] EXPR (((*(WrapperStruct00_var_1_20_Pointer)) > (*(WrapperStruct00_var_1_20_Pointer))) ? ((*(WrapperStruct00_var_1_1_Pointer)) == ((signed short int) (((((*(WrapperStruct00_var_1_15_Pointer))) > ((*(WrapperStruct00_var_1_15_Pointer)))) ? ((*(WrapperStruct00_var_1_15_Pointer))) : ((*(WrapperStruct00_var_1_15_Pointer))))))) : ((*(WrapperStruct00_var_1_1_Pointer)) == ((signed short int) ((((((*(WrapperStruct00_var_1_15_Pointer)) - (((((*(WrapperStruct00_var_1_15_Pointer))) > ((*(WrapperStruct00_var_1_15_Pointer)))) ? ((*(WrapperStruct00_var_1_15_Pointer))) : ((*(WrapperStruct00_var_1_15_Pointer))))))) < (((*(WrapperStruct00_var_1_15_Pointer)) + (((((*(WrapperStruct00_var_1_15_Pointer))) < ((*(WrapperStruct00_var_1_15_Pointer)))) ? ((*(WrapperStruct00_var_1_15_Pointer))) : ((*(WrapperStruct00_var_1_15_Pointer)))))))) ? (((*(WrapperStruct00_var_1_15_Pointer)) - (((((*(WrapperStruct00_var_1_15_Pointer))) > ((*(WrapperStruct00_var_1_15_Pointer)))) ? ((*(WrapperStruct00_var_1_15_Pointer))) : ((*(WrapperStruct00_var_1_15_Pointer))))))) : (((*(WrapperStruct00_var_1_15_Pointer)) + (((((*(WrapperStruct00_var_1_15_Pointer))) < ((*(WrapperStruct00_var_1_15_Pointer)))) ? ((*(WrapperStruct00_var_1_15_Pointer))) : ((*(WrapperStruct00_var_1_15_Pointer)))))))))))) && ((*(WrapperStruct00_var_1_12_Pointer)) == ((float) ((0.85f - (*(WrapperStruct00_var_1_13_Pointer))) + (*(WrapperStruct00_var_1_14_Pointer))))) [L96] EXPR ((((*(WrapperStruct00_var_1_20_Pointer)) > (*(WrapperStruct00_var_1_20_Pointer))) ? ((*(WrapperStruct00_var_1_1_Pointer)) == ((signed short int) (((((*(WrapperStruct00_var_1_15_Pointer))) > ((*(WrapperStruct00_var_1_15_Pointer)))) ? ((*(WrapperStruct00_var_1_15_Pointer))) : ((*(WrapperStruct00_var_1_15_Pointer))))))) : ((*(WrapperStruct00_var_1_1_Pointer)) == ((signed short int) ((((((*(WrapperStruct00_var_1_15_Pointer)) - (((((*(WrapperStruct00_var_1_15_Pointer))) > ((*(WrapperStruct00_var_1_15_Pointer)))) ? ((*(WrapperStruct00_var_1_15_Pointer))) : ((*(WrapperStruct00_var_1_15_Pointer))))))) < (((*(WrapperStruct00_var_1_15_Pointer)) + (((((*(WrapperStruct00_var_1_15_Pointer))) < ((*(WrapperStruct00_var_1_15_Pointer)))) ? ((*(WrapperStruct00_var_1_15_Pointer))) : ((*(WrapperStruct00_var_1_15_Pointer)))))))) ? (((*(WrapperStruct00_var_1_15_Pointer)) - (((((*(WrapperStruct00_var_1_15_Pointer))) > ((*(WrapperStruct00_var_1_15_Pointer)))) ? ((*(WrapperStruct00_var_1_15_Pointer))) : ((*(WrapperStruct00_var_1_15_Pointer))))))) : (((*(WrapperStruct00_var_1_15_Pointer)) + (((((*(WrapperStruct00_var_1_15_Pointer))) < ((*(WrapperStruct00_var_1_15_Pointer)))) ? ((*(WrapperStruct00_var_1_15_Pointer))) : ((*(WrapperStruct00_var_1_15_Pointer)))))))))))) && ((*(WrapperStruct00_var_1_12_Pointer)) == ((float) ((0.85f - (*(WrapperStruct00_var_1_13_Pointer))) + (*(WrapperStruct00_var_1_14_Pointer)))))) && (((- last_1_WrapperStruct00_var_1_15) >= ((*(WrapperStruct00_var_1_4_Pointer)) / ((((-4) < 0 ) ? -(-4) : (-4))))) ? ((*(WrapperStruct00_var_1_15_Pointer)) == ((unsigned char) (*(WrapperStruct00_var_1_16_Pointer)))) : 1) [L96] EXPR (((((*(WrapperStruct00_var_1_20_Pointer)) > (*(WrapperStruct00_var_1_20_Pointer))) ? ((*(WrapperStruct00_var_1_1_Pointer)) == ((signed short int) (((((*(WrapperStruct00_var_1_15_Pointer))) > ((*(WrapperStruct00_var_1_15_Pointer)))) ? ((*(WrapperStruct00_var_1_15_Pointer))) : ((*(WrapperStruct00_var_1_15_Pointer))))))) : ((*(WrapperStruct00_var_1_1_Pointer)) == ((signed short int) ((((((*(WrapperStruct00_var_1_15_Pointer)) - (((((*(WrapperStruct00_var_1_15_Pointer))) > ((*(WrapperStruct00_var_1_15_Pointer)))) ? ((*(WrapperStruct00_var_1_15_Pointer))) : ((*(WrapperStruct00_var_1_15_Pointer))))))) < (((*(WrapperStruct00_var_1_15_Pointer)) + (((((*(WrapperStruct00_var_1_15_Pointer))) < ((*(WrapperStruct00_var_1_15_Pointer)))) ? ((*(WrapperStruct00_var_1_15_Pointer))) : ((*(WrapperStruct00_var_1_15_Pointer)))))))) ? (((*(WrapperStruct00_var_1_15_Pointer)) - (((((*(WrapperStruct00_var_1_15_Pointer))) > ((*(WrapperStruct00_var_1_15_Pointer)))) ? ((*(WrapperStruct00_var_1_15_Pointer))) : ((*(WrapperStruct00_var_1_15_Pointer))))))) : (((*(WrapperStruct00_var_1_15_Pointer)) + (((((*(WrapperStruct00_var_1_15_Pointer))) < ((*(WrapperStruct00_var_1_15_Pointer)))) ? ((*(WrapperStruct00_var_1_15_Pointer))) : ((*(WrapperStruct00_var_1_15_Pointer)))))))))))) && ((*(WrapperStruct00_var_1_12_Pointer)) == ((float) ((0.85f - (*(WrapperStruct00_var_1_13_Pointer))) + (*(WrapperStruct00_var_1_14_Pointer)))))) && (((- last_1_WrapperStruct00_var_1_15) >= ((*(WrapperStruct00_var_1_4_Pointer)) / ((((-4) < 0 ) ? -(-4) : (-4))))) ? ((*(WrapperStruct00_var_1_15_Pointer)) == ((unsigned char) (*(WrapperStruct00_var_1_16_Pointer)))) : 1)) && ((((*(WrapperStruct00_var_1_15_Pointer)) + ((*(WrapperStruct00_var_1_15_Pointer)) + (*(WrapperStruct00_var_1_1_Pointer)))) != ((*(WrapperStruct00_var_1_15_Pointer)) * ((*(WrapperStruct00_var_1_1_Pointer)) / (*(WrapperStruct00_var_1_19_Pointer))))) ? ((*(WrapperStruct00_var_1_17_Pointer)) == ((unsigned long int) (((((10u) < (((*(WrapperStruct00_var_1_1_Pointer)) + (*(WrapperStruct00_var_1_15_Pointer))))) ? (10u) : (((*(WrapperStruct00_var_1_1_Pointer)) + (*(WrapperStruct00_var_1_15_Pointer)))))) + (*(WrapperStruct00_var_1_15_Pointer))))) : 1) [L96] EXPR ((((((*(WrapperStruct00_var_1_20_Pointer)) > (*(WrapperStruct00_var_1_20_Pointer))) ? ((*(WrapperStruct00_var_1_1_Pointer)) == ((signed short int) (((((*(WrapperStruct00_var_1_15_Pointer))) > ((*(WrapperStruct00_var_1_15_Pointer)))) ? ((*(WrapperStruct00_var_1_15_Pointer))) : ((*(WrapperStruct00_var_1_15_Pointer))))))) : ((*(WrapperStruct00_var_1_1_Pointer)) == ((signed short int) ((((((*(WrapperStruct00_var_1_15_Pointer)) - (((((*(WrapperStruct00_var_1_15_Pointer))) > ((*(WrapperStruct00_var_1_15_Pointer)))) ? ((*(WrapperStruct00_var_1_15_Pointer))) : ((*(WrapperStruct00_var_1_15_Pointer))))))) < (((*(WrapperStruct00_var_1_15_Pointer)) + (((((*(WrapperStruct00_var_1_15_Pointer))) < ((*(WrapperStruct00_var_1_15_Pointer)))) ? ((*(WrapperStruct00_var_1_15_Pointer))) : ((*(WrapperStruct00_var_1_15_Pointer)))))))) ? (((*(WrapperStruct00_var_1_15_Pointer)) - (((((*(WrapperStruct00_var_1_15_Pointer))) > ((*(WrapperStruct00_var_1_15_Pointer)))) ? ((*(WrapperStruct00_var_1_15_Pointer))) : ((*(WrapperStruct00_var_1_15_Pointer))))))) : (((*(WrapperStruct00_var_1_15_Pointer)) + (((((*(WrapperStruct00_var_1_15_Pointer))) < ((*(WrapperStruct00_var_1_15_Pointer)))) ? ((*(WrapperStruct00_var_1_15_Pointer))) : ((*(WrapperStruct00_var_1_15_Pointer)))))))))))) && ((*(WrapperStruct00_var_1_12_Pointer)) == ((float) ((0.85f - (*(WrapperStruct00_var_1_13_Pointer))) + (*(WrapperStruct00_var_1_14_Pointer)))))) && (((- last_1_WrapperStruct00_var_1_15) >= ((*(WrapperStruct00_var_1_4_Pointer)) / ((((-4) < 0 ) ? -(-4) : (-4))))) ? ((*(WrapperStruct00_var_1_15_Pointer)) == ((unsigned char) (*(WrapperStruct00_var_1_16_Pointer)))) : 1)) && ((((*(WrapperStruct00_var_1_15_Pointer)) + ((*(WrapperStruct00_var_1_15_Pointer)) + (*(WrapperStruct00_var_1_1_Pointer)))) != ((*(WrapperStruct00_var_1_15_Pointer)) * ((*(WrapperStruct00_var_1_1_Pointer)) / (*(WrapperStruct00_var_1_19_Pointer))))) ? ((*(WrapperStruct00_var_1_17_Pointer)) == ((unsigned long int) (((((10u) < (((*(WrapperStruct00_var_1_1_Pointer)) + (*(WrapperStruct00_var_1_15_Pointer))))) ? (10u) : (((*(WrapperStruct00_var_1_1_Pointer)) + (*(WrapperStruct00_var_1_15_Pointer)))))) + (*(WrapperStruct00_var_1_15_Pointer))))) : 1)) && ((*(WrapperStruct00_var_1_20_Pointer)) == ((float) (*(WrapperStruct00_var_1_13_Pointer)))) [L96-L97] return ((((((*(WrapperStruct00_var_1_20_Pointer)) > (*(WrapperStruct00_var_1_20_Pointer))) ? ((*(WrapperStruct00_var_1_1_Pointer)) == ((signed short int) (((((*(WrapperStruct00_var_1_15_Pointer))) > ((*(WrapperStruct00_var_1_15_Pointer)))) ? ((*(WrapperStruct00_var_1_15_Pointer))) : ((*(WrapperStruct00_var_1_15_Pointer))))))) : ((*(WrapperStruct00_var_1_1_Pointer)) == ((signed short int) ((((((*(WrapperStruct00_var_1_15_Pointer)) - (((((*(WrapperStruct00_var_1_15_Pointer))) > ((*(WrapperStruct00_var_1_15_Pointer)))) ? ((*(WrapperStruct00_var_1_15_Pointer))) : ((*(WrapperStruct00_var_1_15_Pointer))))))) < (((*(WrapperStruct00_var_1_15_Pointer)) + (((((*(WrapperStruct00_var_1_15_Pointer))) < ((*(WrapperStruct00_var_1_15_Pointer)))) ? ((*(WrapperStruct00_var_1_15_Pointer))) : ((*(WrapperStruct00_var_1_15_Pointer)))))))) ? (((*(WrapperStruct00_var_1_15_Pointer)) - (((((*(WrapperStruct00_var_1_15_Pointer))) > ((*(WrapperStruct00_var_1_15_Pointer)))) ? ((*(WrapperStruct00_var_1_15_Pointer))) : ((*(WrapperStruct00_var_1_15_Pointer))))))) : (((*(WrapperStruct00_var_1_15_Pointer)) + (((((*(WrapperStruct00_var_1_15_Pointer))) < ((*(WrapperStruct00_var_1_15_Pointer)))) ? ((*(WrapperStruct00_var_1_15_Pointer))) : ((*(WrapperStruct00_var_1_15_Pointer)))))))))))) && ((*(WrapperStruct00_var_1_12_Pointer)) == ((float) ((0.85f - (*(WrapperStruct00_var_1_13_Pointer))) + (*(WrapperStruct00_var_1_14_Pointer)))))) && (((- last_1_WrapperStruct00_var_1_15) >= ((*(WrapperStruct00_var_1_4_Pointer)) / ((((-4) < 0 ) ? -(-4) : (-4))))) ? ((*(WrapperStruct00_var_1_15_Pointer)) == ((unsigned char) (*(WrapperStruct00_var_1_16_Pointer)))) : 1)) && ((((*(WrapperStruct00_var_1_15_Pointer)) + ((*(WrapperStruct00_var_1_15_Pointer)) + (*(WrapperStruct00_var_1_1_Pointer)))) != ((*(WrapperStruct00_var_1_15_Pointer)) * ((*(WrapperStruct00_var_1_1_Pointer)) / (*(WrapperStruct00_var_1_19_Pointer))))) ? ((*(WrapperStruct00_var_1_17_Pointer)) == ((unsigned long int) (((((10u) < (((*(WrapperStruct00_var_1_1_Pointer)) + (*(WrapperStruct00_var_1_15_Pointer))))) ? (10u) : (((*(WrapperStruct00_var_1_1_Pointer)) + (*(WrapperStruct00_var_1_15_Pointer)))))) + (*(WrapperStruct00_var_1_15_Pointer))))) : 1)) && ((*(WrapperStruct00_var_1_20_Pointer)) == ((float) (*(WrapperStruct00_var_1_13_Pointer)))) ; [L106] RET, EXPR property() [L106] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_12_Pointer={4:4}, WrapperStruct00_var_1_13_Pointer={4:8}, WrapperStruct00_var_1_14_Pointer={4:12}, WrapperStruct00_var_1_15_Pointer={4:16}, WrapperStruct00_var_1_16_Pointer={4:17}, WrapperStruct00_var_1_17_Pointer={4:18}, WrapperStruct00_var_1_19_Pointer={4:22}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_20_Pointer={4:26}, WrapperStruct00_var_1_4_Pointer={4:2}, \old(cond)=0, cond=0, isInitial=1, last_1_WrapperStruct00_var_1_15=64] [L19] reach_error() VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_12_Pointer={4:4}, WrapperStruct00_var_1_13_Pointer={4:8}, WrapperStruct00_var_1_14_Pointer={4:12}, WrapperStruct00_var_1_15_Pointer={4:16}, WrapperStruct00_var_1_16_Pointer={4:17}, WrapperStruct00_var_1_17_Pointer={4:18}, WrapperStruct00_var_1_19_Pointer={4:22}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_20_Pointer={4:26}, WrapperStruct00_var_1_4_Pointer={4:2}, \old(cond)=0, cond=0, isInitial=1, last_1_WrapperStruct00_var_1_15=64] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 27 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 3.5s, OverallIterations: 1, TraceHistogramMax: 9, 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=27occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.9s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 40 NumberOfCodeBlocks, 40 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-25 00:02:13,556 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63d70c75-b3af-41e4-a8e6-569ac4bc115c/bin/utaipan-verify-SwPr7d2a91/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_63d70c75-b3af-41e4-a8e6-569ac4bc115c/bin/utaipan-verify-SwPr7d2a91/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63d70c75-b3af-41e4-a8e6-569ac4bc115c/bin/utaipan-verify-SwPr7d2a91/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63d70c75-b3af-41e4-a8e6-569ac4bc115c/bin/utaipan-verify-SwPr7d2a91/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63d70c75-b3af-41e4-a8e6-569ac4bc115c/bin/utaipan-verify-SwPr7d2a91/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-sp_file-26.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63d70c75-b3af-41e4-a8e6-569ac4bc115c/bin/utaipan-verify-SwPr7d2a91/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63d70c75-b3af-41e4-a8e6-569ac4bc115c/bin/utaipan-verify-SwPr7d2a91 --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 3291167999bb7bd7f68091110884d1151ee296ff17c178c4f709963149d4b67b --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-25 00:02:16,379 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-25 00:02:16,533 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63d70c75-b3af-41e4-a8e6-569ac4bc115c/bin/utaipan-verify-SwPr7d2a91/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2023-11-25 00:02:16,545 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-25 00:02:16,546 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-25 00:02:16,604 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-25 00:02:16,605 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-25 00:02:16,605 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-25 00:02:16,606 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-25 00:02:16,612 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-25 00:02:16,612 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-25 00:02:16,613 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-25 00:02:16,614 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-25 00:02:16,615 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-25 00:02:16,616 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-25 00:02:16,616 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-25 00:02:16,618 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-25 00:02:16,618 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-25 00:02:16,619 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-25 00:02:16,620 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-25 00:02:16,620 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-25 00:02:16,621 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-25 00:02:16,622 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-25 00:02:16,622 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-25 00:02:16,622 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-25 00:02:16,623 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-25 00:02:16,623 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-25 00:02:16,624 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-25 00:02:16,624 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-25 00:02:16,625 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-25 00:02:16,626 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-25 00:02:16,626 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-25 00:02:16,627 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-25 00:02:16,627 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-25 00:02:16,628 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-25 00:02:16,628 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-25 00:02:16,628 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-25 00:02:16,628 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-25 00:02:16,629 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-25 00:02:16,630 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-25 00:02:16,630 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-25 00:02:16,630 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-25 00:02:16,631 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-25 00:02:16,631 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-25 00:02:16,631 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_63d70c75-b3af-41e4-a8e6-569ac4bc115c/bin/utaipan-verify-SwPr7d2a91/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63d70c75-b3af-41e4-a8e6-569ac4bc115c/bin/utaipan-verify-SwPr7d2a91 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3291167999bb7bd7f68091110884d1151ee296ff17c178c4f709963149d4b67b [2023-11-25 00:02:17,084 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-25 00:02:17,118 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-25 00:02:17,121 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-25 00:02:17,122 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-25 00:02:17,122 INFO L274 PluginConnector]: CDTParser initialized [2023-11-25 00:02:17,124 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63d70c75-b3af-41e4-a8e6-569ac4bc115c/bin/utaipan-verify-SwPr7d2a91/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-sp_file-26.i [2023-11-25 00:02:20,465 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-25 00:02:20,831 INFO L384 CDTParser]: Found 1 translation units. [2023-11-25 00:02:20,832 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63d70c75-b3af-41e4-a8e6-569ac4bc115c/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-sp_file-26.i [2023-11-25 00:02:20,841 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63d70c75-b3af-41e4-a8e6-569ac4bc115c/bin/utaipan-verify-SwPr7d2a91/data/237e28be8/9f20736dc2ff4a9892ac839a073fd8e4/FLAG6dbfa5b50 [2023-11-25 00:02:20,854 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63d70c75-b3af-41e4-a8e6-569ac4bc115c/bin/utaipan-verify-SwPr7d2a91/data/237e28be8/9f20736dc2ff4a9892ac839a073fd8e4 [2023-11-25 00:02:20,857 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-25 00:02:20,859 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-25 00:02:20,861 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-25 00:02:20,861 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-25 00:02:20,871 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-25 00:02:20,872 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 12:02:20" (1/1) ... [2023-11-25 00:02:20,873 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7f4935e2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:02:20, skipping insertion in model container [2023-11-25 00:02:20,874 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 12:02:20" (1/1) ... [2023-11-25 00:02:20,910 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-25 00:02:21,154 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_63d70c75-b3af-41e4-a8e6-569ac4bc115c/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-sp_file-26.i[917,930] [2023-11-25 00:02:21,278 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-25 00:02:21,314 INFO L202 MainTranslator]: Completed pre-run [2023-11-25 00:02:21,330 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_63d70c75-b3af-41e4-a8e6-569ac4bc115c/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-sp_file-26.i[917,930] [2023-11-25 00:02:21,408 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-25 00:02:21,449 INFO L206 MainTranslator]: Completed translation [2023-11-25 00:02:21,449 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:02:21 WrapperNode [2023-11-25 00:02:21,449 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-25 00:02:21,451 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-25 00:02:21,451 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-25 00:02:21,451 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-25 00:02:21,459 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:02:21" (1/1) ... [2023-11-25 00:02:21,491 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:02:21" (1/1) ... [2023-11-25 00:02:21,550 INFO L138 Inliner]: procedures = 36, calls = 150, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 418 [2023-11-25 00:02:21,550 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-25 00:02:21,551 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-25 00:02:21,551 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-25 00:02:21,551 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-25 00:02:21,561 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:02:21" (1/1) ... [2023-11-25 00:02:21,562 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:02:21" (1/1) ... [2023-11-25 00:02:21,570 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:02:21" (1/1) ... [2023-11-25 00:02:21,571 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:02:21" (1/1) ... [2023-11-25 00:02:21,589 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:02:21" (1/1) ... [2023-11-25 00:02:21,594 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:02:21" (1/1) ... [2023-11-25 00:02:21,599 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:02:21" (1/1) ... [2023-11-25 00:02:21,602 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:02:21" (1/1) ... [2023-11-25 00:02:21,609 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-25 00:02:21,610 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-25 00:02:21,610 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-25 00:02:21,610 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-25 00:02:21,611 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:02:21" (1/1) ... [2023-11-25 00:02:21,617 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-25 00:02:21,635 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63d70c75-b3af-41e4-a8e6-569ac4bc115c/bin/utaipan-verify-SwPr7d2a91/z3 [2023-11-25 00:02:21,648 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63d70c75-b3af-41e4-a8e6-569ac4bc115c/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-25 00:02:21,669 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63d70c75-b3af-41e4-a8e6-569ac4bc115c/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-25 00:02:21,689 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-25 00:02:21,689 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2023-11-25 00:02:21,689 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2023-11-25 00:02:21,690 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-25 00:02:21,690 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2023-11-25 00:02:21,690 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2023-11-25 00:02:21,690 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-25 00:02:21,690 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2023-11-25 00:02:21,691 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2023-11-25 00:02:21,691 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4 [2023-11-25 00:02:21,691 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-25 00:02:21,693 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-25 00:02:21,693 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-25 00:02:21,693 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-25 00:02:21,693 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2023-11-25 00:02:21,694 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2023-11-25 00:02:21,694 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-25 00:02:21,895 INFO L241 CfgBuilder]: Building ICFG [2023-11-25 00:02:21,897 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-25 00:02:23,385 INFO L282 CfgBuilder]: Performing block encoding [2023-11-25 00:02:23,449 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-25 00:02:23,450 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-25 00:02:23,450 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 12:02:23 BoogieIcfgContainer [2023-11-25 00:02:23,450 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-25 00:02:23,453 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-25 00:02:23,453 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-25 00:02:23,456 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-25 00:02:23,456 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 12:02:20" (1/3) ... [2023-11-25 00:02:23,457 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ec3ca18 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 12:02:23, skipping insertion in model container [2023-11-25 00:02:23,457 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:02:21" (2/3) ... [2023-11-25 00:02:23,458 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ec3ca18 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 12:02:23, skipping insertion in model container [2023-11-25 00:02:23,458 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 12:02:23" (3/3) ... [2023-11-25 00:02:23,459 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-sp_file-26.i [2023-11-25 00:02:23,478 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-25 00:02:23,478 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-25 00:02:23,528 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-25 00:02:23,535 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;@48388f97, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-25 00:02:23,535 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-25 00:02:23,539 INFO L276 IsEmpty]: Start isEmpty. Operand has 86 states, 74 states have (on average 1.472972972972973) internal successors, (109), 75 states have internal predecessors, (109), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2023-11-25 00:02:23,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-11-25 00:02:23,552 INFO L187 NwaCegarLoop]: Found error trace [2023-11-25 00:02:23,552 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-25 00:02:23,553 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-25 00:02:23,558 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-25 00:02:23,558 INFO L85 PathProgramCache]: Analyzing trace with hash -483601842, now seen corresponding path program 1 times [2023-11-25 00:02:23,573 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-25 00:02:23,573 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [451657159] [2023-11-25 00:02:23,573 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-25 00:02:23,574 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-25 00:02:23,574 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63d70c75-b3af-41e4-a8e6-569ac4bc115c/bin/utaipan-verify-SwPr7d2a91/mathsat [2023-11-25 00:02:23,579 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63d70c75-b3af-41e4-a8e6-569ac4bc115c/bin/utaipan-verify-SwPr7d2a91/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-25 00:02:23,621 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63d70c75-b3af-41e4-a8e6-569ac4bc115c/bin/utaipan-verify-SwPr7d2a91/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2023-11-25 00:02:24,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-25 00:02:24,046 INFO L262 TraceCheckSpWp]: Trace formula consists of 209 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-25 00:02:24,056 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-25 00:02:24,097 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 80 proven. 0 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2023-11-25 00:02:24,097 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-25 00:02:24,098 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-25 00:02:24,098 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [451657159] [2023-11-25 00:02:24,099 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [451657159] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-25 00:02:24,099 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-25 00:02:24,100 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-25 00:02:24,102 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2119054046] [2023-11-25 00:02:24,103 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-25 00:02:24,108 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-25 00:02:24,108 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-25 00:02:24,139 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-25 00:02:24,140 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-25 00:02:24,143 INFO L87 Difference]: Start difference. First operand has 86 states, 74 states have (on average 1.472972972972973) internal successors, (109), 75 states have internal predecessors, (109), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) Second operand has 2 states, 2 states have (on average 23.0) internal successors, (46), 2 states have internal predecessors, (46), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2023-11-25 00:02:24,603 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-25 00:02:24,603 INFO L93 Difference]: Finished difference Result 169 states and 261 transitions. [2023-11-25 00:02:24,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-25 00:02:24,606 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 23.0) internal successors, (46), 2 states have internal predecessors, (46), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 84 [2023-11-25 00:02:24,607 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-25 00:02:24,615 INFO L225 Difference]: With dead ends: 169 [2023-11-25 00:02:24,615 INFO L226 Difference]: Without dead ends: 84 [2023-11-25 00:02:24,618 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 83 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-25 00:02:24,622 INFO L413 NwaCegarLoop]: 118 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 118 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-11-25 00:02:24,624 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 118 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-11-25 00:02:24,643 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84 states. [2023-11-25 00:02:24,668 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84 to 84. [2023-11-25 00:02:24,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 84 states, 73 states have (on average 1.4246575342465753) internal successors, (104), 73 states have internal predecessors, (104), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2023-11-25 00:02:24,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 122 transitions. [2023-11-25 00:02:24,674 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 122 transitions. Word has length 84 [2023-11-25 00:02:24,674 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-25 00:02:24,674 INFO L495 AbstractCegarLoop]: Abstraction has 84 states and 122 transitions. [2023-11-25 00:02:24,675 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 23.0) internal successors, (46), 2 states have internal predecessors, (46), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2023-11-25 00:02:24,675 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 122 transitions. [2023-11-25 00:02:24,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-11-25 00:02:24,680 INFO L187 NwaCegarLoop]: Found error trace [2023-11-25 00:02:24,680 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-25 00:02:24,696 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63d70c75-b3af-41e4-a8e6-569ac4bc115c/bin/utaipan-verify-SwPr7d2a91/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2023-11-25 00:02:24,891 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63d70c75-b3af-41e4-a8e6-569ac4bc115c/bin/utaipan-verify-SwPr7d2a91/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-25 00:02:24,892 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-25 00:02:24,892 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-25 00:02:24,893 INFO L85 PathProgramCache]: Analyzing trace with hash -1312447424, now seen corresponding path program 1 times [2023-11-25 00:02:24,893 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-25 00:02:24,894 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [490660183] [2023-11-25 00:02:24,894 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-25 00:02:24,894 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-25 00:02:24,894 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63d70c75-b3af-41e4-a8e6-569ac4bc115c/bin/utaipan-verify-SwPr7d2a91/mathsat [2023-11-25 00:02:24,896 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63d70c75-b3af-41e4-a8e6-569ac4bc115c/bin/utaipan-verify-SwPr7d2a91/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-25 00:02:24,899 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63d70c75-b3af-41e4-a8e6-569ac4bc115c/bin/utaipan-verify-SwPr7d2a91/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2023-11-25 00:02:25,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-25 00:02:25,359 INFO L262 TraceCheckSpWp]: Trace formula consists of 209 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-25 00:02:25,364 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-25 00:02:25,409 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2023-11-25 00:02:25,409 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-25 00:02:25,410 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-25 00:02:25,410 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [490660183] [2023-11-25 00:02:25,410 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [490660183] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-25 00:02:25,411 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-25 00:02:25,411 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-25 00:02:25,411 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [570644647] [2023-11-25 00:02:25,411 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-25 00:02:25,413 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-25 00:02:25,413 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-25 00:02:25,414 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-25 00:02:25,414 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-25 00:02:25,414 INFO L87 Difference]: Start difference. First operand 84 states and 122 transitions. Second operand has 4 states, 4 states have (on average 11.25) internal successors, (45), 4 states have internal predecessors, (45), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2023-11-25 00:02:25,797 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-25 00:02:25,797 INFO L93 Difference]: Finished difference Result 173 states and 252 transitions. [2023-11-25 00:02:25,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-25 00:02:25,798 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.25) internal successors, (45), 4 states have internal predecessors, (45), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 84 [2023-11-25 00:02:25,799 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-25 00:02:25,800 INFO L225 Difference]: With dead ends: 173 [2023-11-25 00:02:25,800 INFO L226 Difference]: Without dead ends: 90 [2023-11-25 00:02:25,801 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 81 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-25 00:02:25,804 INFO L413 NwaCegarLoop]: 119 mSDtfsCounter, 10 mSDsluCounter, 227 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 346 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-25 00:02:25,805 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 346 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-25 00:02:25,806 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 90 states. [2023-11-25 00:02:25,819 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 90 to 86. [2023-11-25 00:02:25,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 86 states, 75 states have (on average 1.4133333333333333) internal successors, (106), 75 states have internal predecessors, (106), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2023-11-25 00:02:25,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 86 states and 124 transitions. [2023-11-25 00:02:25,823 INFO L78 Accepts]: Start accepts. Automaton has 86 states and 124 transitions. Word has length 84 [2023-11-25 00:02:25,823 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-25 00:02:25,824 INFO L495 AbstractCegarLoop]: Abstraction has 86 states and 124 transitions. [2023-11-25 00:02:25,824 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.25) internal successors, (45), 4 states have internal predecessors, (45), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2023-11-25 00:02:25,824 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 124 transitions. [2023-11-25 00:02:25,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-11-25 00:02:25,827 INFO L187 NwaCegarLoop]: Found error trace [2023-11-25 00:02:25,827 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-25 00:02:25,839 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63d70c75-b3af-41e4-a8e6-569ac4bc115c/bin/utaipan-verify-SwPr7d2a91/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 [2023-11-25 00:02:26,039 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63d70c75-b3af-41e4-a8e6-569ac4bc115c/bin/utaipan-verify-SwPr7d2a91/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-25 00:02:26,039 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-25 00:02:26,040 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-25 00:02:26,041 INFO L85 PathProgramCache]: Analyzing trace with hash 1074062082, now seen corresponding path program 1 times [2023-11-25 00:02:26,041 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-25 00:02:26,042 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1865668982] [2023-11-25 00:02:26,042 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-25 00:02:26,043 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-25 00:02:26,043 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63d70c75-b3af-41e4-a8e6-569ac4bc115c/bin/utaipan-verify-SwPr7d2a91/mathsat [2023-11-25 00:02:26,044 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63d70c75-b3af-41e4-a8e6-569ac4bc115c/bin/utaipan-verify-SwPr7d2a91/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-25 00:02:26,054 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63d70c75-b3af-41e4-a8e6-569ac4bc115c/bin/utaipan-verify-SwPr7d2a91/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 [2023-11-25 00:02:26,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-25 00:02:26,555 INFO L262 TraceCheckSpWp]: Trace formula consists of 211 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-25 00:02:26,568 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-25 00:02:26,645 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 [2023-11-25 00:02:26,685 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2023-11-25 00:02:26,686 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-25 00:02:26,686 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-25 00:02:26,686 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1865668982] [2023-11-25 00:02:26,687 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1865668982] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-25 00:02:26,687 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-25 00:02:26,687 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-25 00:02:26,687 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1316196805] [2023-11-25 00:02:26,688 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-25 00:02:26,688 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-25 00:02:26,689 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-25 00:02:26,690 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-25 00:02:26,690 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-25 00:02:26,690 INFO L87 Difference]: Start difference. First operand 86 states and 124 transitions. Second operand has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2023-11-25 00:02:26,967 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-25 00:02:26,967 INFO L93 Difference]: Finished difference Result 171 states and 247 transitions. [2023-11-25 00:02:26,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-25 00:02:26,968 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) Word has length 84 [2023-11-25 00:02:26,969 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-25 00:02:26,970 INFO L225 Difference]: With dead ends: 171 [2023-11-25 00:02:26,970 INFO L226 Difference]: Without dead ends: 86 [2023-11-25 00:02:26,971 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 82 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-25 00:02:26,973 INFO L413 NwaCegarLoop]: 116 mSDtfsCounter, 1 mSDsluCounter, 113 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 229 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-25 00:02:26,973 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 229 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-25 00:02:26,975 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86 states. [2023-11-25 00:02:26,982 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86 to 86. [2023-11-25 00:02:26,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 86 states, 75 states have (on average 1.4) internal successors, (105), 75 states have internal predecessors, (105), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2023-11-25 00:02:26,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 86 states and 123 transitions. [2023-11-25 00:02:26,985 INFO L78 Accepts]: Start accepts. Automaton has 86 states and 123 transitions. Word has length 84 [2023-11-25 00:02:26,985 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-25 00:02:26,986 INFO L495 AbstractCegarLoop]: Abstraction has 86 states and 123 transitions. [2023-11-25 00:02:26,986 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2023-11-25 00:02:26,986 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 123 transitions. [2023-11-25 00:02:26,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-11-25 00:02:26,988 INFO L187 NwaCegarLoop]: Found error trace [2023-11-25 00:02:26,989 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-25 00:02:27,001 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63d70c75-b3af-41e4-a8e6-569ac4bc115c/bin/utaipan-verify-SwPr7d2a91/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)] Forceful destruction successful, exit code 0 [2023-11-25 00:02:27,193 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63d70c75-b3af-41e4-a8e6-569ac4bc115c/bin/utaipan-verify-SwPr7d2a91/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-25 00:02:27,194 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-25 00:02:27,194 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-25 00:02:27,195 INFO L85 PathProgramCache]: Analyzing trace with hash -614881660, now seen corresponding path program 1 times [2023-11-25 00:02:27,201 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-25 00:02:27,202 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1348371367] [2023-11-25 00:02:27,202 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-25 00:02:27,202 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-25 00:02:27,203 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63d70c75-b3af-41e4-a8e6-569ac4bc115c/bin/utaipan-verify-SwPr7d2a91/mathsat [2023-11-25 00:02:27,206 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63d70c75-b3af-41e4-a8e6-569ac4bc115c/bin/utaipan-verify-SwPr7d2a91/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-25 00:02:27,207 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63d70c75-b3af-41e4-a8e6-569ac4bc115c/bin/utaipan-verify-SwPr7d2a91/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 [2023-11-25 00:02:27,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-25 00:02:27,709 INFO L262 TraceCheckSpWp]: Trace formula consists of 211 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-25 00:02:27,714 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-25 00:02:27,753 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2023-11-25 00:02:27,754 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-25 00:02:27,754 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-25 00:02:27,755 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1348371367] [2023-11-25 00:02:27,755 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1348371367] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-25 00:02:27,755 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-25 00:02:27,755 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-25 00:02:27,756 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [387485897] [2023-11-25 00:02:27,756 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-25 00:02:27,757 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-25 00:02:27,757 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-25 00:02:27,758 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-25 00:02:27,758 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-25 00:02:27,759 INFO L87 Difference]: Start difference. First operand 86 states and 123 transitions. Second operand has 5 states, 5 states have (on average 8.4) internal successors, (42), 5 states have internal predecessors, (42), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2023-11-25 00:02:28,592 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-25 00:02:28,593 INFO L93 Difference]: Finished difference Result 180 states and 257 transitions. [2023-11-25 00:02:28,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-25 00:02:28,594 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.4) internal successors, (42), 5 states have internal predecessors, (42), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) Word has length 84 [2023-11-25 00:02:28,594 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-25 00:02:28,596 INFO L225 Difference]: With dead ends: 180 [2023-11-25 00:02:28,596 INFO L226 Difference]: Without dead ends: 95 [2023-11-25 00:02:28,597 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 80 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-11-25 00:02:28,598 INFO L413 NwaCegarLoop]: 113 mSDtfsCounter, 10 mSDsluCounter, 331 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 444 SdHoareTripleChecker+Invalid, 40 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2023-11-25 00:02:28,599 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 444 Invalid, 40 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2023-11-25 00:02:28,600 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95 states. [2023-11-25 00:02:28,608 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95 to 90. [2023-11-25 00:02:28,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 90 states, 79 states have (on average 1.379746835443038) internal successors, (109), 79 states have internal predecessors, (109), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2023-11-25 00:02:28,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 127 transitions. [2023-11-25 00:02:28,616 INFO L78 Accepts]: Start accepts. Automaton has 90 states and 127 transitions. Word has length 84 [2023-11-25 00:02:28,617 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-25 00:02:28,617 INFO L495 AbstractCegarLoop]: Abstraction has 90 states and 127 transitions. [2023-11-25 00:02:28,618 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.4) internal successors, (42), 5 states have internal predecessors, (42), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2023-11-25 00:02:28,618 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 127 transitions. [2023-11-25 00:02:28,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-11-25 00:02:28,620 INFO L187 NwaCegarLoop]: Found error trace [2023-11-25 00:02:28,621 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-25 00:02:28,634 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63d70c75-b3af-41e4-a8e6-569ac4bc115c/bin/utaipan-verify-SwPr7d2a91/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Ended with exit code 0 [2023-11-25 00:02:28,834 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63d70c75-b3af-41e4-a8e6-569ac4bc115c/bin/utaipan-verify-SwPr7d2a91/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-25 00:02:28,834 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-25 00:02:28,834 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-25 00:02:28,835 INFO L85 PathProgramCache]: Analyzing trace with hash -614822078, now seen corresponding path program 1 times [2023-11-25 00:02:28,835 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-25 00:02:28,836 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1412404707] [2023-11-25 00:02:28,836 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-25 00:02:28,836 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-25 00:02:28,836 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63d70c75-b3af-41e4-a8e6-569ac4bc115c/bin/utaipan-verify-SwPr7d2a91/mathsat [2023-11-25 00:02:28,837 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63d70c75-b3af-41e4-a8e6-569ac4bc115c/bin/utaipan-verify-SwPr7d2a91/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-25 00:02:28,840 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63d70c75-b3af-41e4-a8e6-569ac4bc115c/bin/utaipan-verify-SwPr7d2a91/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 [2023-11-25 00:02:29,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-25 00:02:29,298 INFO L262 TraceCheckSpWp]: Trace formula consists of 208 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-25 00:02:29,301 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-25 00:02:29,480 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 95 treesize of output 41 [2023-11-25 00:02:29,531 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2023-11-25 00:02:29,532 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-25 00:02:29,532 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-25 00:02:29,532 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1412404707] [2023-11-25 00:02:29,532 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1412404707] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-25 00:02:29,533 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-25 00:02:29,533 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-25 00:02:29,533 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1245435865] [2023-11-25 00:02:29,533 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-25 00:02:29,534 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-25 00:02:29,534 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-25 00:02:29,535 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-25 00:02:29,535 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-11-25 00:02:29,535 INFO L87 Difference]: Start difference. First operand 90 states and 127 transitions. Second operand has 6 states, 6 states have (on average 7.5) internal successors, (45), 5 states have internal predecessors, (45), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2023-11-25 00:02:31,074 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-25 00:02:31,074 INFO L93 Difference]: Finished difference Result 183 states and 259 transitions. [2023-11-25 00:02:31,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-25 00:02:31,075 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.5) internal successors, (45), 5 states have internal predecessors, (45), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 84 [2023-11-25 00:02:31,076 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-25 00:02:31,076 INFO L225 Difference]: With dead ends: 183 [2023-11-25 00:02:31,077 INFO L226 Difference]: Without dead ends: 94 [2023-11-25 00:02:31,078 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 79 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=55, Unknown=0, NotChecked=0, Total=90 [2023-11-25 00:02:31,079 INFO L413 NwaCegarLoop]: 105 mSDtfsCounter, 129 mSDsluCounter, 241 mSDsCounter, 0 mSdLazyCounter, 126 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 129 SdHoareTripleChecker+Valid, 346 SdHoareTripleChecker+Invalid, 131 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 126 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2023-11-25 00:02:31,079 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [129 Valid, 346 Invalid, 131 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 126 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2023-11-25 00:02:31,080 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94 states. [2023-11-25 00:02:31,087 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94 to 88. [2023-11-25 00:02:31,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 88 states, 77 states have (on average 1.3766233766233766) internal successors, (106), 77 states have internal predecessors, (106), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2023-11-25 00:02:31,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 124 transitions. [2023-11-25 00:02:31,089 INFO L78 Accepts]: Start accepts. Automaton has 88 states and 124 transitions. Word has length 84 [2023-11-25 00:02:31,089 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-25 00:02:31,089 INFO L495 AbstractCegarLoop]: Abstraction has 88 states and 124 transitions. [2023-11-25 00:02:31,090 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.5) internal successors, (45), 5 states have internal predecessors, (45), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2023-11-25 00:02:31,090 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 124 transitions. [2023-11-25 00:02:31,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2023-11-25 00:02:31,092 INFO L187 NwaCegarLoop]: Found error trace [2023-11-25 00:02:31,092 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-25 00:02:31,115 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63d70c75-b3af-41e4-a8e6-569ac4bc115c/bin/utaipan-verify-SwPr7d2a91/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)] Forceful destruction successful, exit code 0 [2023-11-25 00:02:31,315 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63d70c75-b3af-41e4-a8e6-569ac4bc115c/bin/utaipan-verify-SwPr7d2a91/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-25 00:02:31,316 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-25 00:02:31,316 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-25 00:02:31,316 INFO L85 PathProgramCache]: Analyzing trace with hash -1443067654, now seen corresponding path program 1 times [2023-11-25 00:02:31,317 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-25 00:02:31,317 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1215559930] [2023-11-25 00:02:31,317 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-25 00:02:31,317 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-25 00:02:31,317 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63d70c75-b3af-41e4-a8e6-569ac4bc115c/bin/utaipan-verify-SwPr7d2a91/mathsat [2023-11-25 00:02:31,318 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63d70c75-b3af-41e4-a8e6-569ac4bc115c/bin/utaipan-verify-SwPr7d2a91/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-25 00:02:31,319 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63d70c75-b3af-41e4-a8e6-569ac4bc115c/bin/utaipan-verify-SwPr7d2a91/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 [2023-11-25 00:02:31,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-25 00:02:31,715 INFO L262 TraceCheckSpWp]: Trace formula consists of 212 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-25 00:02:31,720 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-25 00:02:31,929 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 94 treesize of output 40 [2023-11-25 00:02:32,013 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 72 proven. 8 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2023-11-25 00:02:32,013 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-25 00:02:32,315 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 58 treesize of output 22 [2023-11-25 00:02:32,325 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 6 proven. 18 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2023-11-25 00:02:32,325 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-25 00:02:32,325 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1215559930] [2023-11-25 00:02:32,325 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1215559930] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-25 00:02:32,325 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1698707559] [2023-11-25 00:02:32,326 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-25 00:02:32,326 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-25 00:02:32,326 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63d70c75-b3af-41e4-a8e6-569ac4bc115c/bin/utaipan-verify-SwPr7d2a91/cvc4 [2023-11-25 00:02:32,337 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63d70c75-b3af-41e4-a8e6-569ac4bc115c/bin/utaipan-verify-SwPr7d2a91/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-25 00:02:32,382 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63d70c75-b3af-41e4-a8e6-569ac4bc115c/bin/utaipan-verify-SwPr7d2a91/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2023-11-25 00:02:33,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-25 00:02:33,707 INFO L262 TraceCheckSpWp]: Trace formula consists of 212 conjuncts, 14 conjunts are in the unsatisfiable core [2023-11-25 00:02:33,712 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-25 00:02:34,275 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 99 treesize of output 51 [2023-11-25 00:02:34,313 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 72 proven. 8 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2023-11-25 00:02:34,313 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-25 00:02:34,825 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 88 treesize of output 34 [2023-11-25 00:02:34,838 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 6 proven. 18 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2023-11-25 00:02:34,838 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1698707559] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-25 00:02:34,839 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1443833719] [2023-11-25 00:02:34,839 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-25 00:02:34,839 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-25 00:02:34,839 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63d70c75-b3af-41e4-a8e6-569ac4bc115c/bin/utaipan-verify-SwPr7d2a91/z3 [2023-11-25 00:02:34,844 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63d70c75-b3af-41e4-a8e6-569ac4bc115c/bin/utaipan-verify-SwPr7d2a91/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-25 00:02:34,881 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63d70c75-b3af-41e4-a8e6-569ac4bc115c/bin/utaipan-verify-SwPr7d2a91/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2023-11-25 00:02:35,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-25 00:02:35,236 INFO L262 TraceCheckSpWp]: Trace formula consists of 212 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-25 00:02:35,240 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-25 00:02:35,253 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 43 treesize of output 19 [2023-11-25 00:02:35,382 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2023-11-25 00:02:35,382 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-25 00:02:35,382 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1443833719] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-25 00:02:35,382 INFO L185 FreeRefinementEngine]: Found 1 perfect and 4 imperfect interpolant sequences. [2023-11-25 00:02:35,383 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [9, 8, 10, 9] total 20 [2023-11-25 00:02:35,383 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [225698918] [2023-11-25 00:02:35,383 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-25 00:02:35,384 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-25 00:02:35,384 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-25 00:02:35,389 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-25 00:02:35,389 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=302, Unknown=0, NotChecked=0, Total=380 [2023-11-25 00:02:35,390 INFO L87 Difference]: Start difference. First operand 88 states and 124 transitions. Second operand has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2023-11-25 00:02:35,884 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-25 00:02:35,885 INFO L93 Difference]: Finished difference Result 173 states and 244 transitions. [2023-11-25 00:02:35,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-25 00:02:35,886 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) Word has length 86 [2023-11-25 00:02:35,887 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-25 00:02:35,888 INFO L225 Difference]: With dead ends: 173 [2023-11-25 00:02:35,888 INFO L226 Difference]: Without dead ends: 86 [2023-11-25 00:02:35,889 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 425 GetRequests, 407 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 79 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=78, Invalid=302, Unknown=0, NotChecked=0, Total=380 [2023-11-25 00:02:35,890 INFO L413 NwaCegarLoop]: 111 mSDtfsCounter, 36 mSDsluCounter, 75 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 186 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-11-25 00:02:35,890 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [36 Valid, 186 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-11-25 00:02:35,891 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86 states. [2023-11-25 00:02:35,903 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86 to 86. [2023-11-25 00:02:35,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 86 states, 75 states have (on average 1.36) internal successors, (102), 75 states have internal predecessors, (102), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2023-11-25 00:02:35,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 86 states and 120 transitions. [2023-11-25 00:02:35,911 INFO L78 Accepts]: Start accepts. Automaton has 86 states and 120 transitions. Word has length 86 [2023-11-25 00:02:35,911 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-25 00:02:35,911 INFO L495 AbstractCegarLoop]: Abstraction has 86 states and 120 transitions. [2023-11-25 00:02:35,912 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2023-11-25 00:02:35,912 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 120 transitions. [2023-11-25 00:02:35,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2023-11-25 00:02:35,913 INFO L187 NwaCegarLoop]: Found error trace [2023-11-25 00:02:35,914 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-25 00:02:35,933 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63d70c75-b3af-41e4-a8e6-569ac4bc115c/bin/utaipan-verify-SwPr7d2a91/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)] Forceful destruction successful, exit code 0 [2023-11-25 00:02:36,121 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63d70c75-b3af-41e4-a8e6-569ac4bc115c/bin/utaipan-verify-SwPr7d2a91/cvc4 --incremental --print-success --lang smt (8)] Ended with exit code 0 [2023-11-25 00:02:36,329 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63d70c75-b3af-41e4-a8e6-569ac4bc115c/bin/utaipan-verify-SwPr7d2a91/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2023-11-25 00:02:36,514 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63d70c75-b3af-41e4-a8e6-569ac4bc115c/bin/utaipan-verify-SwPr7d2a91/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 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63d70c75-b3af-41e4-a8e6-569ac4bc115c/bin/utaipan-verify-SwPr7d2a91/cvc4 --incremental --print-success --lang smt,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63d70c75-b3af-41e4-a8e6-569ac4bc115c/bin/utaipan-verify-SwPr7d2a91/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-25 00:02:36,515 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-25 00:02:36,515 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-25 00:02:36,515 INFO L85 PathProgramCache]: Analyzing trace with hash -148925015, now seen corresponding path program 1 times [2023-11-25 00:02:36,516 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-25 00:02:36,516 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1587322215] [2023-11-25 00:02:36,516 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-25 00:02:36,516 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-25 00:02:36,517 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63d70c75-b3af-41e4-a8e6-569ac4bc115c/bin/utaipan-verify-SwPr7d2a91/mathsat [2023-11-25 00:02:36,518 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63d70c75-b3af-41e4-a8e6-569ac4bc115c/bin/utaipan-verify-SwPr7d2a91/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-25 00:02:36,522 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63d70c75-b3af-41e4-a8e6-569ac4bc115c/bin/utaipan-verify-SwPr7d2a91/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)] Waiting until timeout for monitored process [2023-11-25 00:02:36,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-25 00:02:36,963 INFO L262 TraceCheckSpWp]: Trace formula consists of 227 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-25 00:02:36,968 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-25 00:02:37,159 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 94 treesize of output 40 [2023-11-25 00:02:37,274 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 72 proven. 8 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2023-11-25 00:02:37,274 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-25 00:02:37,571 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 58 treesize of output 22 [2023-11-25 00:02:37,586 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 6 proven. 18 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2023-11-25 00:02:37,587 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-25 00:02:37,587 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1587322215] [2023-11-25 00:02:37,587 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1587322215] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-25 00:02:37,589 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1330816908] [2023-11-25 00:02:37,590 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-25 00:02:37,591 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-25 00:02:37,591 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63d70c75-b3af-41e4-a8e6-569ac4bc115c/bin/utaipan-verify-SwPr7d2a91/cvc4 [2023-11-25 00:02:37,594 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63d70c75-b3af-41e4-a8e6-569ac4bc115c/bin/utaipan-verify-SwPr7d2a91/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-25 00:02:37,613 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63d70c75-b3af-41e4-a8e6-569ac4bc115c/bin/utaipan-verify-SwPr7d2a91/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2023-11-25 00:02:38,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-25 00:02:38,933 INFO L262 TraceCheckSpWp]: Trace formula consists of 227 conjuncts, 14 conjunts are in the unsatisfiable core [2023-11-25 00:02:38,938 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-25 00:02:39,450 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 99 treesize of output 51 [2023-11-25 00:02:39,481 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 72 proven. 8 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2023-11-25 00:02:39,481 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-25 00:02:39,932 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 88 treesize of output 34 [2023-11-25 00:02:39,943 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 6 proven. 18 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2023-11-25 00:02:39,943 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1330816908] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-25 00:02:39,943 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1211749556] [2023-11-25 00:02:39,944 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-25 00:02:39,944 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-25 00:02:39,944 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63d70c75-b3af-41e4-a8e6-569ac4bc115c/bin/utaipan-verify-SwPr7d2a91/z3 [2023-11-25 00:02:39,945 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63d70c75-b3af-41e4-a8e6-569ac4bc115c/bin/utaipan-verify-SwPr7d2a91/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-25 00:02:39,987 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63d70c75-b3af-41e4-a8e6-569ac4bc115c/bin/utaipan-verify-SwPr7d2a91/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2023-11-25 00:02:40,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-25 00:02:40,310 INFO L262 TraceCheckSpWp]: Trace formula consists of 227 conjuncts, 22 conjunts are in the unsatisfiable core [2023-11-25 00:02:40,314 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-25 00:02:41,276 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-25 00:02:41,280 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 19 treesize of output 19 [2023-11-25 00:02:41,590 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2023-11-25 00:02:41,591 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-25 00:02:41,591 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1211749556] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-25 00:02:41,591 INFO L185 FreeRefinementEngine]: Found 1 perfect and 4 imperfect interpolant sequences. [2023-11-25 00:02:41,591 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [9, 8, 10, 9] total 23 [2023-11-25 00:02:41,592 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2083136683] [2023-11-25 00:02:41,592 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-25 00:02:41,592 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-25 00:02:41,593 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-25 00:02:41,593 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-25 00:02:41,594 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=86, Invalid=420, Unknown=0, NotChecked=0, Total=506 [2023-11-25 00:02:41,594 INFO L87 Difference]: Start difference. First operand 86 states and 120 transitions. Second operand has 6 states, 6 states have (on average 8.166666666666666) internal successors, (49), 5 states have internal predecessors, (49), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2023-11-25 00:02:44,159 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-25 00:02:44,159 INFO L93 Difference]: Finished difference Result 210 states and 292 transitions. [2023-11-25 00:02:44,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-25 00:02:44,160 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.166666666666666) internal successors, (49), 5 states have internal predecessors, (49), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) Word has length 91 [2023-11-25 00:02:44,161 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-25 00:02:44,162 INFO L225 Difference]: With dead ends: 210 [2023-11-25 00:02:44,162 INFO L226 Difference]: Without dead ends: 125 [2023-11-25 00:02:44,163 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 451 GetRequests, 429 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 123 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=91, Invalid=461, Unknown=0, NotChecked=0, Total=552 [2023-11-25 00:02:44,164 INFO L413 NwaCegarLoop]: 69 mSDtfsCounter, 192 mSDsluCounter, 109 mSDsCounter, 0 mSdLazyCounter, 288 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 192 SdHoareTripleChecker+Valid, 178 SdHoareTripleChecker+Invalid, 288 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 288 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2023-11-25 00:02:44,164 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [192 Valid, 178 Invalid, 288 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 288 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2023-11-25 00:02:44,165 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states. [2023-11-25 00:02:44,174 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 91. [2023-11-25 00:02:44,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 91 states, 80 states have (on average 1.35) internal successors, (108), 80 states have internal predecessors, (108), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2023-11-25 00:02:44,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 126 transitions. [2023-11-25 00:02:44,175 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 126 transitions. Word has length 91 [2023-11-25 00:02:44,176 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-25 00:02:44,176 INFO L495 AbstractCegarLoop]: Abstraction has 91 states and 126 transitions. [2023-11-25 00:02:44,176 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.166666666666666) internal successors, (49), 5 states have internal predecessors, (49), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2023-11-25 00:02:44,176 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 126 transitions. [2023-11-25 00:02:44,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2023-11-25 00:02:44,178 INFO L187 NwaCegarLoop]: Found error trace [2023-11-25 00:02:44,178 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-25 00:02:44,188 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63d70c75-b3af-41e4-a8e6-569ac4bc115c/bin/utaipan-verify-SwPr7d2a91/cvc4 --incremental --print-success --lang smt (11)] Forceful destruction successful, exit code 0 [2023-11-25 00:02:44,401 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63d70c75-b3af-41e4-a8e6-569ac4bc115c/bin/utaipan-verify-SwPr7d2a91/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2023-11-25 00:02:44,596 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63d70c75-b3af-41e4-a8e6-569ac4bc115c/bin/utaipan-verify-SwPr7d2a91/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)] Forceful destruction successful, exit code 0 [2023-11-25 00:02:44,788 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63d70c75-b3af-41e4-a8e6-569ac4bc115c/bin/utaipan-verify-SwPr7d2a91/cvc4 --incremental --print-success --lang smt,12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63d70c75-b3af-41e4-a8e6-569ac4bc115c/bin/utaipan-verify-SwPr7d2a91/z3 -smt2 -in SMTLIB2_COMPLIANT=true,10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63d70c75-b3af-41e4-a8e6-569ac4bc115c/bin/utaipan-verify-SwPr7d2a91/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-25 00:02:44,788 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-25 00:02:44,789 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-25 00:02:44,789 INFO L85 PathProgramCache]: Analyzing trace with hash -2143069721, now seen corresponding path program 1 times [2023-11-25 00:02:44,789 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-25 00:02:44,789 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [666283059] [2023-11-25 00:02:44,789 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-25 00:02:44,789 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-25 00:02:44,790 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63d70c75-b3af-41e4-a8e6-569ac4bc115c/bin/utaipan-verify-SwPr7d2a91/mathsat [2023-11-25 00:02:44,790 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63d70c75-b3af-41e4-a8e6-569ac4bc115c/bin/utaipan-verify-SwPr7d2a91/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-25 00:02:44,792 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63d70c75-b3af-41e4-a8e6-569ac4bc115c/bin/utaipan-verify-SwPr7d2a91/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 [2023-11-25 00:02:45,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-25 00:02:45,264 INFO L262 TraceCheckSpWp]: Trace formula consists of 227 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-25 00:02:45,267 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-25 00:02:45,429 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 94 treesize of output 40 [2023-11-25 00:02:45,524 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 72 proven. 8 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2023-11-25 00:02:45,525 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-25 00:02:45,835 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 58 treesize of output 22 [2023-11-25 00:02:45,845 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 6 proven. 18 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2023-11-25 00:02:45,846 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-25 00:02:45,846 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [666283059] [2023-11-25 00:02:45,846 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [666283059] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-25 00:02:45,846 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [960463787] [2023-11-25 00:02:45,846 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-25 00:02:45,846 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-25 00:02:45,847 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63d70c75-b3af-41e4-a8e6-569ac4bc115c/bin/utaipan-verify-SwPr7d2a91/cvc4 [2023-11-25 00:02:45,848 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63d70c75-b3af-41e4-a8e6-569ac4bc115c/bin/utaipan-verify-SwPr7d2a91/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-25 00:02:45,877 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63d70c75-b3af-41e4-a8e6-569ac4bc115c/bin/utaipan-verify-SwPr7d2a91/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2023-11-25 00:02:47,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-25 00:02:47,168 INFO L262 TraceCheckSpWp]: Trace formula consists of 227 conjuncts, 14 conjunts are in the unsatisfiable core [2023-11-25 00:02:47,172 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-25 00:02:47,570 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 99 treesize of output 51 [2023-11-25 00:02:47,620 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 72 proven. 8 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2023-11-25 00:02:47,621 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-25 00:02:48,037 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 88 treesize of output 34 [2023-11-25 00:02:48,047 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 6 proven. 18 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2023-11-25 00:02:48,048 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [960463787] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-25 00:02:48,048 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1179175304] [2023-11-25 00:02:48,048 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-25 00:02:48,048 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-25 00:02:48,048 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63d70c75-b3af-41e4-a8e6-569ac4bc115c/bin/utaipan-verify-SwPr7d2a91/z3 [2023-11-25 00:02:48,050 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63d70c75-b3af-41e4-a8e6-569ac4bc115c/bin/utaipan-verify-SwPr7d2a91/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-25 00:02:48,055 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63d70c75-b3af-41e4-a8e6-569ac4bc115c/bin/utaipan-verify-SwPr7d2a91/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2023-11-25 00:02:48,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-25 00:02:48,392 INFO L262 TraceCheckSpWp]: Trace formula consists of 227 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-25 00:02:48,394 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-25 00:02:48,406 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 [2023-11-25 00:02:48,510 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2023-11-25 00:02:48,510 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-25 00:02:48,511 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1179175304] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-25 00:02:48,511 INFO L185 FreeRefinementEngine]: Found 1 perfect and 4 imperfect interpolant sequences. [2023-11-25 00:02:48,511 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [9, 8, 10, 9] total 20 [2023-11-25 00:02:48,511 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1699635654] [2023-11-25 00:02:48,511 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-25 00:02:48,512 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-25 00:02:48,512 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-25 00:02:48,513 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-25 00:02:48,513 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=302, Unknown=0, NotChecked=0, Total=380 [2023-11-25 00:02:48,513 INFO L87 Difference]: Start difference. First operand 91 states and 126 transitions. Second operand has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2023-11-25 00:02:49,086 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-25 00:02:49,086 INFO L93 Difference]: Finished difference Result 201 states and 278 transitions. [2023-11-25 00:02:49,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-25 00:02:49,087 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) Word has length 91 [2023-11-25 00:02:49,088 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-25 00:02:49,089 INFO L225 Difference]: With dead ends: 201 [2023-11-25 00:02:49,089 INFO L226 Difference]: Without dead ends: 111 [2023-11-25 00:02:49,089 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 450 GetRequests, 432 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 79 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=78, Invalid=302, Unknown=0, NotChecked=0, Total=380 [2023-11-25 00:02:49,090 INFO L413 NwaCegarLoop]: 110 mSDtfsCounter, 24 mSDsluCounter, 107 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 24 SdHoareTripleChecker+Valid, 217 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-11-25 00:02:49,091 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [24 Valid, 217 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-11-25 00:02:49,091 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2023-11-25 00:02:49,118 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 91. [2023-11-25 00:02:49,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 91 states, 80 states have (on average 1.3375) internal successors, (107), 80 states have internal predecessors, (107), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2023-11-25 00:02:49,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 125 transitions. [2023-11-25 00:02:49,120 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 125 transitions. Word has length 91 [2023-11-25 00:02:49,120 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-25 00:02:49,120 INFO L495 AbstractCegarLoop]: Abstraction has 91 states and 125 transitions. [2023-11-25 00:02:49,120 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2023-11-25 00:02:49,121 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 125 transitions. [2023-11-25 00:02:49,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2023-11-25 00:02:49,122 INFO L187 NwaCegarLoop]: Found error trace [2023-11-25 00:02:49,122 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-25 00:02:49,144 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63d70c75-b3af-41e4-a8e6-569ac4bc115c/bin/utaipan-verify-SwPr7d2a91/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2023-11-25 00:02:49,333 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63d70c75-b3af-41e4-a8e6-569ac4bc115c/bin/utaipan-verify-SwPr7d2a91/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 [2023-11-25 00:02:49,530 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63d70c75-b3af-41e4-a8e6-569ac4bc115c/bin/utaipan-verify-SwPr7d2a91/cvc4 --incremental --print-success --lang smt (14)] Forceful destruction successful, exit code 0 [2023-11-25 00:02:49,723 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63d70c75-b3af-41e4-a8e6-569ac4bc115c/bin/utaipan-verify-SwPr7d2a91/z3 -smt2 -in SMTLIB2_COMPLIANT=true,13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63d70c75-b3af-41e4-a8e6-569ac4bc115c/bin/utaipan-verify-SwPr7d2a91/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 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63d70c75-b3af-41e4-a8e6-569ac4bc115c/bin/utaipan-verify-SwPr7d2a91/cvc4 --incremental --print-success --lang smt [2023-11-25 00:02:49,723 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-25 00:02:49,723 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-25 00:02:49,723 INFO L85 PathProgramCache]: Analyzing trace with hash 1140780325, now seen corresponding path program 1 times [2023-11-25 00:02:49,724 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-25 00:02:49,724 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [939429325] [2023-11-25 00:02:49,724 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-25 00:02:49,724 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-25 00:02:49,724 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63d70c75-b3af-41e4-a8e6-569ac4bc115c/bin/utaipan-verify-SwPr7d2a91/mathsat [2023-11-25 00:02:49,725 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63d70c75-b3af-41e4-a8e6-569ac4bc115c/bin/utaipan-verify-SwPr7d2a91/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-25 00:02:49,726 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63d70c75-b3af-41e4-a8e6-569ac4bc115c/bin/utaipan-verify-SwPr7d2a91/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 [2023-11-25 00:02:50,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-25 00:02:50,166 INFO L262 TraceCheckSpWp]: Trace formula consists of 227 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-25 00:02:50,170 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-25 00:02:50,336 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 94 treesize of output 40 [2023-11-25 00:02:50,411 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 72 proven. 8 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2023-11-25 00:02:50,412 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-25 00:02:50,704 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 58 treesize of output 22 [2023-11-25 00:02:50,714 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 6 proven. 18 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2023-11-25 00:02:50,714 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-25 00:02:50,714 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [939429325] [2023-11-25 00:02:50,714 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [939429325] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-25 00:02:50,714 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1878260944] [2023-11-25 00:02:50,714 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-25 00:02:50,715 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-25 00:02:50,715 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63d70c75-b3af-41e4-a8e6-569ac4bc115c/bin/utaipan-verify-SwPr7d2a91/cvc4 [2023-11-25 00:02:50,716 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63d70c75-b3af-41e4-a8e6-569ac4bc115c/bin/utaipan-verify-SwPr7d2a91/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-25 00:02:50,722 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63d70c75-b3af-41e4-a8e6-569ac4bc115c/bin/utaipan-verify-SwPr7d2a91/cvc4 --incremental --print-success --lang smt (17)] Waiting until timeout for monitored process [2023-11-25 00:02:51,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-25 00:02:51,819 INFO L262 TraceCheckSpWp]: Trace formula consists of 227 conjuncts, 14 conjunts are in the unsatisfiable core [2023-11-25 00:02:51,822 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-25 00:02:52,224 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 99 treesize of output 51 [2023-11-25 00:02:52,245 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 72 proven. 8 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2023-11-25 00:02:52,246 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-25 00:02:52,687 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 88 treesize of output 34 [2023-11-25 00:02:52,698 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 6 proven. 18 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2023-11-25 00:02:52,698 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1878260944] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-25 00:02:52,699 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [980803500] [2023-11-25 00:02:52,699 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-25 00:02:52,699 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-25 00:02:52,699 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63d70c75-b3af-41e4-a8e6-569ac4bc115c/bin/utaipan-verify-SwPr7d2a91/z3 [2023-11-25 00:02:52,702 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63d70c75-b3af-41e4-a8e6-569ac4bc115c/bin/utaipan-verify-SwPr7d2a91/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-25 00:02:52,722 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63d70c75-b3af-41e4-a8e6-569ac4bc115c/bin/utaipan-verify-SwPr7d2a91/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2023-11-25 00:02:52,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-25 00:02:53,012 INFO L262 TraceCheckSpWp]: Trace formula consists of 227 conjuncts, 22 conjunts are in the unsatisfiable core [2023-11-25 00:02:53,019 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-25 00:02:53,822 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-25 00:02:53,823 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 19 treesize of output 19 [2023-11-25 00:02:54,804 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-25 00:02:54,804 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 66 treesize of output 34 [2023-11-25 00:02:55,345 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2023-11-25 00:02:55,345 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-25 00:02:55,346 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [980803500] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-25 00:02:55,346 INFO L185 FreeRefinementEngine]: Found 1 perfect and 4 imperfect interpolant sequences. [2023-11-25 00:02:55,346 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [9, 8, 10, 9] total 31 [2023-11-25 00:02:55,346 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [911423322] [2023-11-25 00:02:55,346 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-25 00:02:55,347 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2023-11-25 00:02:55,347 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-25 00:02:55,348 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2023-11-25 00:02:55,348 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=109, Invalid=821, Unknown=0, NotChecked=0, Total=930 [2023-11-25 00:02:55,349 INFO L87 Difference]: Start difference. First operand 91 states and 125 transitions. Second operand has 14 states, 14 states have (on average 3.5) internal successors, (49), 13 states have internal predecessors, (49), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9)