./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-13.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_596acb4e-94d3-4210-93a4-3134c69f2821/bin/utaipan-verify-SwPr7d2a91/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_596acb4e-94d3-4210-93a4-3134c69f2821/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_596acb4e-94d3-4210-93a4-3134c69f2821/bin/utaipan-verify-SwPr7d2a91/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_596acb4e-94d3-4210-93a4-3134c69f2821/bin/utaipan-verify-SwPr7d2a91/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-13.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_596acb4e-94d3-4210-93a4-3134c69f2821/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_596acb4e-94d3-4210-93a4-3134c69f2821/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 e6d92a25ae36f7e711770b5cc6315f0210bbc7c0c024aaddffcd3216b7942769 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 23:14:37,565 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:14:37,694 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_596acb4e-94d3-4210-93a4-3134c69f2821/bin/utaipan-verify-SwPr7d2a91/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-11-24 23:14:37,703 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 23:14:37,704 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-24 23:14:37,747 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:14:37,748 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-24 23:14:37,749 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-24 23:14:37,750 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 23:14:37,755 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-24 23:14:37,755 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-24 23:14:37,757 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-24 23:14:37,757 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-24 23:14:37,759 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-24 23:14:37,760 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-24 23:14:37,760 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-24 23:14:37,761 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-24 23:14:37,761 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-24 23:14:37,762 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-24 23:14:37,762 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-24 23:14:37,763 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-24 23:14:37,763 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-24 23:14:37,765 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:14:37,765 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 23:14:37,766 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 23:14:37,766 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 23:14:37,766 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 23:14:37,767 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:14:37,767 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 23:14:37,768 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:14:37,769 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 23:14:37,769 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 23:14:37,770 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 23:14:37,770 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:14:37,770 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:14:37,770 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-24 23:14:37,771 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-24 23:14:37,772 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-24 23:14:37,772 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:14:37,772 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:14:37,772 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 23:14:37,773 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-24 23:14:37,773 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 23:14:37,773 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-24 23:14:37,774 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 23:14:37,774 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-24 23:14:37,774 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-24 23:14:37,775 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_596acb4e-94d3-4210-93a4-3134c69f2821/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_596acb4e-94d3-4210-93a4-3134c69f2821/bin/utaipan-verify-SwPr7d2a91 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e6d92a25ae36f7e711770b5cc6315f0210bbc7c0c024aaddffcd3216b7942769 [2023-11-24 23:14:38,072 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:14:38,094 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:14:38,097 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:14:38,098 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:14:38,099 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:14:38,100 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_596acb4e-94d3-4210-93a4-3134c69f2821/bin/utaipan-verify-SwPr7d2a91/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-13.i [2023-11-24 23:14:41,266 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:14:41,550 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:14:41,551 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_596acb4e-94d3-4210-93a4-3134c69f2821/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-13.i [2023-11-24 23:14:41,562 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_596acb4e-94d3-4210-93a4-3134c69f2821/bin/utaipan-verify-SwPr7d2a91/data/9da4614b7/c7c6effabee1454f976bbf077d9dbde6/FLAGa8eb04c31 [2023-11-24 23:14:41,585 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_596acb4e-94d3-4210-93a4-3134c69f2821/bin/utaipan-verify-SwPr7d2a91/data/9da4614b7/c7c6effabee1454f976bbf077d9dbde6 [2023-11-24 23:14:41,588 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:14:41,589 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:14:41,591 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:14:41,591 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:14:41,598 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:14:41,599 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:14:41" (1/1) ... [2023-11-24 23:14:41,600 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@375c471 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:14:41, skipping insertion in model container [2023-11-24 23:14:41,600 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:14:41" (1/1) ... [2023-11-24 23:14:41,628 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:14:41,795 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_596acb4e-94d3-4210-93a4-3134c69f2821/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-13.i[916,929] [2023-11-24 23:14:41,879 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:14:41,899 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 23:14:41,911 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_596acb4e-94d3-4210-93a4-3134c69f2821/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-13.i[916,929] [2023-11-24 23:14:41,965 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:14:42,008 INFO L206 MainTranslator]: Completed translation [2023-11-24 23:14:42,009 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:14:42 WrapperNode [2023-11-24 23:14:42,009 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:14:42,010 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 23:14:42,011 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 23:14:42,011 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 23:14:42,017 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:14:42" (1/1) ... [2023-11-24 23:14:42,032 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:14:42" (1/1) ... [2023-11-24 23:14:42,079 INFO L138 Inliner]: procedures = 29, calls = 146, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 429 [2023-11-24 23:14:42,080 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 23:14:42,080 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 23:14:42,080 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 23:14:42,081 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 23:14:42,094 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:14:42" (1/1) ... [2023-11-24 23:14:42,097 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:14:42" (1/1) ... [2023-11-24 23:14:42,105 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:14:42" (1/1) ... [2023-11-24 23:14:42,105 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:14:42" (1/1) ... [2023-11-24 23:14:42,128 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:14:42" (1/1) ... [2023-11-24 23:14:42,141 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:14:42" (1/1) ... [2023-11-24 23:14:42,147 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:14:42" (1/1) ... [2023-11-24 23:14:42,155 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:14:42" (1/1) ... [2023-11-24 23:14:42,165 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 23:14:42,168 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 23:14:42,172 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 23:14:42,172 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 23:14:42,173 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:14:42" (1/1) ... [2023-11-24 23:14:42,192 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-24 23:14:42,205 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_596acb4e-94d3-4210-93a4-3134c69f2821/bin/utaipan-verify-SwPr7d2a91/z3 [2023-11-24 23:14:42,247 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_596acb4e-94d3-4210-93a4-3134c69f2821/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-24 23:14:42,275 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_596acb4e-94d3-4210-93a4-3134c69f2821/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-24 23:14:42,288 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 23:14:42,289 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-24 23:14:42,289 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2023-11-24 23:14:42,289 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2023-11-24 23:14:42,291 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-24 23:14:42,292 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2023-11-24 23:14:42,292 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-24 23:14:42,292 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-24 23:14:42,292 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 23:14:42,293 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 23:14:42,293 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 23:14:42,463 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 23:14:42,466 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 23:14:43,148 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 23:14:43,827 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 23:14:43,828 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-24 23:14:43,829 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:14:43 BoogieIcfgContainer [2023-11-24 23:14:43,830 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 23:14:43,832 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-24 23:14:43,833 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-24 23:14:43,836 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-24 23:14:43,837 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 11:14:41" (1/3) ... [2023-11-24 23:14:43,837 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7cce2c5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 11:14:43, skipping insertion in model container [2023-11-24 23:14:43,838 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:14:42" (2/3) ... [2023-11-24 23:14:43,838 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7cce2c5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 11:14:43, skipping insertion in model container [2023-11-24 23:14:43,838 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:14:43" (3/3) ... [2023-11-24 23:14:43,840 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-a_file-13.i [2023-11-24 23:14:43,860 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-24 23:14:43,860 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-24 23:14:43,906 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-24 23:14:43,913 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;@2ab8421e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-24 23:14:43,913 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-24 23:14:43,917 INFO L276 IsEmpty]: Start isEmpty. Operand has 39 states, 21 states have (on average 1.1428571428571428) internal successors, (24), 22 states have internal predecessors, (24), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2023-11-24 23:14:43,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-11-24 23:14:43,926 INFO L187 NwaCegarLoop]: Found error trace [2023-11-24 23:14:43,926 INFO L195 NwaCegarLoop]: trace histogram [15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-24 23:14:43,927 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-24 23:14:43,932 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:14:43,932 INFO L85 PathProgramCache]: Analyzing trace with hash 1757755111, now seen corresponding path program 1 times [2023-11-24 23:14:43,940 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-24 23:14:43,940 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [641308081] [2023-11-24 23:14:43,940 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:14:43,940 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:14:44,268 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-24 23:14:44,269 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [504703392] [2023-11-24 23:14:44,269 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:14:44,269 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-24 23:14:44,270 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_596acb4e-94d3-4210-93a4-3134c69f2821/bin/utaipan-verify-SwPr7d2a91/z3 [2023-11-24 23:14:44,275 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_596acb4e-94d3-4210-93a4-3134c69f2821/bin/utaipan-verify-SwPr7d2a91/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-24 23:14:44,282 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_596acb4e-94d3-4210-93a4-3134c69f2821/bin/utaipan-verify-SwPr7d2a91/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-24 23:14:45,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:14:45,132 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 23:14:45,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:14:45,852 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-11-24 23:14:45,855 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-24 23:14:45,856 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-24 23:14:45,875 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_596acb4e-94d3-4210-93a4-3134c69f2821/bin/utaipan-verify-SwPr7d2a91/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-24 23:14:46,069 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_596acb4e-94d3-4210-93a4-3134c69f2821/bin/utaipan-verify-SwPr7d2a91/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-11-24 23:14:46,073 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-24 23:14:46,076 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-24 23:14:46,126 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem37 could not be translated [2023-11-24 23:14:46,127 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem37 could not be translated [2023-11-24 23:14:46,128 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem38 could not be translated [2023-11-24 23:14:46,128 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem38 could not be translated [2023-11-24 23:14:46,129 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem41 could not be translated [2023-11-24 23:14:46,129 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem44 could not be translated [2023-11-24 23:14:46,129 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short46 could not be translated [2023-11-24 23:14:46,130 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem43 could not be translated [2023-11-24 23:14:46,130 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short42 could not be translated [2023-11-24 23:14:46,130 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short45 could not be translated [2023-11-24 23:14:46,130 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem40 could not be translated [2023-11-24 23:14:46,131 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short42 could not be translated [2023-11-24 23:14:46,131 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short45 could not be translated [2023-11-24 23:14:46,132 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short46 could not be translated [2023-11-24 23:14:46,132 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem44 could not be translated [2023-11-24 23:14:46,132 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem40 could not be translated [2023-11-24 23:14:46,132 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem43 could not be translated [2023-11-24 23:14:46,132 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem41 could not be translated [2023-11-24 23:14:46,133 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short53 could not be translated [2023-11-24 23:14:46,133 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem52 could not be translated [2023-11-24 23:14:46,133 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem48 could not be translated [2023-11-24 23:14:46,134 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short50 could not be translated [2023-11-24 23:14:46,134 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short54 could not be translated [2023-11-24 23:14:46,134 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem51 could not be translated [2023-11-24 23:14:46,134 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem49 could not be translated [2023-11-24 23:14:46,135 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem49 could not be translated [2023-11-24 23:14:46,135 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem51 could not be translated [2023-11-24 23:14:46,136 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem52 could not be translated [2023-11-24 23:14:46,136 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short53 could not be translated [2023-11-24 23:14:46,136 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem48 could not be translated [2023-11-24 23:14:46,136 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short54 could not be translated [2023-11-24 23:14:46,137 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short50 could not be translated [2023-11-24 23:14:46,137 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem56 could not be translated [2023-11-24 23:14:46,137 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short58 could not be translated [2023-11-24 23:14:46,137 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short61 could not be translated [2023-11-24 23:14:46,138 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short62 could not be translated [2023-11-24 23:14:46,138 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem57 could not be translated [2023-11-24 23:14:46,138 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem59 could not be translated [2023-11-24 23:14:46,138 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem60 could not be translated [2023-11-24 23:14:46,139 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short61 could not be translated [2023-11-24 23:14:46,139 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem57 could not be translated [2023-11-24 23:14:46,140 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem59 could not be translated [2023-11-24 23:14:46,140 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem60 could not be translated [2023-11-24 23:14:46,140 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem56 could not be translated [2023-11-24 23:14:46,140 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short62 could not be translated [2023-11-24 23:14:46,141 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short58 could not be translated [2023-11-24 23:14:46,141 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem64 could not be translated [2023-11-24 23:14:46,141 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short70 could not be translated [2023-11-24 23:14:46,141 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem68 could not be translated [2023-11-24 23:14:46,142 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short66 could not be translated [2023-11-24 23:14:46,142 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short69 could not be translated [2023-11-24 23:14:46,142 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem65 could not be translated [2023-11-24 23:14:46,162 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem67 could not be translated [2023-11-24 23:14:46,163 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem67 could not be translated [2023-11-24 23:14:46,163 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short66 could not be translated [2023-11-24 23:14:46,163 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem65 could not be translated [2023-11-24 23:14:46,163 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short69 could not be translated [2023-11-24 23:14:46,163 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem68 could not be translated [2023-11-24 23:14:46,164 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem64 could not be translated [2023-11-24 23:14:46,164 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short70 could not be translated [2023-11-24 23:14:46,164 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem72 could not be translated [2023-11-24 23:14:46,165 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem72 could not be translated [2023-11-24 23:14:46,166 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem73 could not be translated [2023-11-24 23:14:46,166 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem73 could not be translated [2023-11-24 23:14:46,167 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem75 could not be translated [2023-11-24 23:14:46,167 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem75 could not be translated [2023-11-24 23:14:46,168 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem76 could not be translated [2023-11-24 23:14:46,168 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem76 could not be translated [2023-11-24 23:14:46,169 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem78 could not be translated [2023-11-24 23:14:46,170 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem78 could not be translated [2023-11-24 23:14:46,170 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem79 could not be translated [2023-11-24 23:14:46,171 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem79 could not be translated [2023-11-24 23:14:46,171 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem81 could not be translated [2023-11-24 23:14:46,172 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem81 could not be translated [2023-11-24 23:14:46,172 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem82 could not be translated [2023-11-24 23:14:46,173 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem82 could not be translated [2023-11-24 23:14:46,173 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem83 could not be translated [2023-11-24 23:14:46,180 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem83 could not be translated [2023-11-24 23:14:46,214 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.11 11:14:46 BoogieIcfgContainer [2023-11-24 23:14:46,215 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-24 23:14:46,216 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-24 23:14:46,216 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-24 23:14:46,216 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-24 23:14:46,218 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:14:43" (3/4) ... [2023-11-24 23:14:46,223 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-24 23:14:46,227 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-24 23:14:46,229 INFO L158 Benchmark]: Toolchain (without parser) took 4639.71ms. Allocated memory was 107.0MB in the beginning and 169.9MB in the end (delta: 62.9MB). Free memory was 63.7MB in the beginning and 128.8MB in the end (delta: -65.1MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:14:46,230 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 107.0MB. Free memory is still 82.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:14:46,232 INFO L158 Benchmark]: CACSL2BoogieTranslator took 418.74ms. Allocated memory is still 107.0MB. Free memory was 63.5MB in the beginning and 48.4MB in the end (delta: 15.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-24 23:14:46,233 INFO L158 Benchmark]: Boogie Procedure Inliner took 69.31ms. Allocated memory is still 107.0MB. Free memory was 48.4MB in the beginning and 44.6MB in the end (delta: 3.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 23:14:46,237 INFO L158 Benchmark]: Boogie Preprocessor took 84.83ms. Allocated memory is still 107.0MB. Free memory was 44.6MB in the beginning and 41.4MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-24 23:14:46,239 INFO L158 Benchmark]: RCFGBuilder took 1662.31ms. Allocated memory was 107.0MB in the beginning and 140.5MB in the end (delta: 33.6MB). Free memory was 41.4MB in the beginning and 58.4MB in the end (delta: -17.1MB). Peak memory consumption was 27.2MB. Max. memory is 16.1GB. [2023-11-24 23:14:46,241 INFO L158 Benchmark]: TraceAbstraction took 2382.56ms. Allocated memory was 140.5MB in the beginning and 169.9MB in the end (delta: 29.4MB). Free memory was 57.4MB in the beginning and 129.8MB in the end (delta: -72.4MB). Peak memory consumption was 19.8MB. Max. memory is 16.1GB. [2023-11-24 23:14:46,242 INFO L158 Benchmark]: Witness Printer took 12.40ms. Allocated memory is still 169.9MB. Free memory was 129.8MB in the beginning and 128.8MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:14:46,246 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 107.0MB. Free memory is still 82.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 418.74ms. Allocated memory is still 107.0MB. Free memory was 63.5MB in the beginning and 48.4MB in the end (delta: 15.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 69.31ms. Allocated memory is still 107.0MB. Free memory was 48.4MB in the beginning and 44.6MB in the end (delta: 3.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 84.83ms. Allocated memory is still 107.0MB. Free memory was 44.6MB in the beginning and 41.4MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1662.31ms. Allocated memory was 107.0MB in the beginning and 140.5MB in the end (delta: 33.6MB). Free memory was 41.4MB in the beginning and 58.4MB in the end (delta: -17.1MB). Peak memory consumption was 27.2MB. Max. memory is 16.1GB. * TraceAbstraction took 2382.56ms. Allocated memory was 140.5MB in the beginning and 169.9MB in the end (delta: 29.4MB). Free memory was 57.4MB in the beginning and 129.8MB in the end (delta: -72.4MB). Peak memory consumption was 19.8MB. Max. memory is 16.1GB. * Witness Printer took 12.40ms. Allocated memory is still 169.9MB. Free memory was 129.8MB in the beginning and 128.8MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem37 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem37 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem38 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem38 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem41 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem44 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short46 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem43 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short42 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short45 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem40 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short42 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short45 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short46 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem44 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem40 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem43 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem41 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short53 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem52 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem48 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short50 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short54 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem51 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem49 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem49 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem51 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem52 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short53 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem48 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short54 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short50 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem56 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short58 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short61 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short62 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem57 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem59 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem60 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short61 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem57 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem59 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem60 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem56 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short62 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short58 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem64 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short70 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem68 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short66 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short69 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem65 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem67 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem67 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short66 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem65 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short69 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem68 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem64 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short70 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem72 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem72 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~mem75 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem75 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~mem78 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem78 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem79 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem79 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem81 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem81 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem82 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem82 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem83 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem83 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 someBinaryDOUBLEComparisonOperation at line 40. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22-L24] unsigned char BOOL_unsigned_char_Array_0[1] = { 1 }; [L25-L27] double double_Array_0[2][2] = { {128.4, 3.8}, {50.2, 25.1} }; [L28-L30] signed char signed_char_Array_0[2][2] = { {64, 4}, {0, 16} }; [L31-L33] unsigned char unsigned_char_Array_0[1] = { 16 }; [L34-L36] unsigned short int unsigned_short_int_Array_0[3] = { 2, 16, 25 }; [L94] isInitial = 1 [L95] FCALL initially() [L96] COND TRUE 1 [L97] FCALL updateLastVariables() [L98] CALL updateVariables() [L62] BOOL_unsigned_char_Array_0[0] = __VERIFIER_nondet_uchar() [L63] EXPR BOOL_unsigned_char_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, signed_char_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L63] CALL assume_abort_if_not(BOOL_unsigned_char_Array_0[0] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, signed_char_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L20] COND FALSE !(!cond) [L63] RET assume_abort_if_not(BOOL_unsigned_char_Array_0[0] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, signed_char_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L64] EXPR BOOL_unsigned_char_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, signed_char_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L64] CALL assume_abort_if_not(BOOL_unsigned_char_Array_0[0] <= 1) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, signed_char_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L20] COND FALSE !(!cond) [L64] RET assume_abort_if_not(BOOL_unsigned_char_Array_0[0] <= 1) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, signed_char_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L65] double_Array_0[0][0] = __VERIFIER_nondet_double() [L66] EXPR double_Array_0[0][0] [L66] EXPR double_Array_0[0][0] >= 0.0F && double_Array_0[0][0] <= -1.0e-20F [L66] EXPR double_Array_0[0][0] [L66] EXPR double_Array_0[0][0] >= 0.0F && double_Array_0[0][0] <= -1.0e-20F [L66] EXPR (double_Array_0[0][0] >= 0.0F && double_Array_0[0][0] <= -1.0e-20F) || (double_Array_0[0][0] <= 9223372.036854776000e+12F && double_Array_0[0][0] >= 1.0e-20F ) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, signed_char_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L66] CALL assume_abort_if_not((double_Array_0[0][0] >= 0.0F && double_Array_0[0][0] <= -1.0e-20F) || (double_Array_0[0][0] <= 9223372.036854776000e+12F && double_Array_0[0][0] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, signed_char_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L20] COND FALSE !(!cond) [L66] RET assume_abort_if_not((double_Array_0[0][0] >= 0.0F && double_Array_0[0][0] <= -1.0e-20F) || (double_Array_0[0][0] <= 9223372.036854776000e+12F && double_Array_0[0][0] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, signed_char_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L67] double_Array_0[1][0] = __VERIFIER_nondet_double() [L68] EXPR double_Array_0[1][0] [L68] EXPR double_Array_0[1][0] >= 0.0F && double_Array_0[1][0] <= -1.0e-20F [L68] EXPR (double_Array_0[1][0] >= 0.0F && double_Array_0[1][0] <= -1.0e-20F) || (double_Array_0[1][0] <= 9223372.036854776000e+12F && double_Array_0[1][0] >= 1.0e-20F ) [L68] EXPR double_Array_0[1][0] [L68] EXPR double_Array_0[1][0] <= 9223372.036854776000e+12F && double_Array_0[1][0] >= 1.0e-20F [L68] EXPR double_Array_0[1][0] [L68] EXPR double_Array_0[1][0] <= 9223372.036854776000e+12F && double_Array_0[1][0] >= 1.0e-20F [L68] EXPR (double_Array_0[1][0] >= 0.0F && double_Array_0[1][0] <= -1.0e-20F) || (double_Array_0[1][0] <= 9223372.036854776000e+12F && double_Array_0[1][0] >= 1.0e-20F ) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, signed_char_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L68] CALL assume_abort_if_not((double_Array_0[1][0] >= 0.0F && double_Array_0[1][0] <= -1.0e-20F) || (double_Array_0[1][0] <= 9223372.036854776000e+12F && double_Array_0[1][0] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, signed_char_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L20] COND FALSE !(!cond) [L68] RET assume_abort_if_not((double_Array_0[1][0] >= 0.0F && double_Array_0[1][0] <= -1.0e-20F) || (double_Array_0[1][0] <= 9223372.036854776000e+12F && double_Array_0[1][0] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, signed_char_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L69] double_Array_0[0][1] = __VERIFIER_nondet_double() [L70] EXPR double_Array_0[0][1] [L70] EXPR double_Array_0[0][1] >= -922337.2036854776000e+13F && double_Array_0[0][1] <= -1.0e-20F [L70] EXPR double_Array_0[0][1] [L70] EXPR double_Array_0[0][1] >= -922337.2036854776000e+13F && double_Array_0[0][1] <= -1.0e-20F [L70] EXPR (double_Array_0[0][1] >= -922337.2036854776000e+13F && double_Array_0[0][1] <= -1.0e-20F) || (double_Array_0[0][1] <= 9223372.036854776000e+12F && double_Array_0[0][1] >= 1.0e-20F ) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, signed_char_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L70] CALL assume_abort_if_not((double_Array_0[0][1] >= -922337.2036854776000e+13F && double_Array_0[0][1] <= -1.0e-20F) || (double_Array_0[0][1] <= 9223372.036854776000e+12F && double_Array_0[0][1] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, signed_char_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L20] COND FALSE !(!cond) [L70] RET assume_abort_if_not((double_Array_0[0][1] >= -922337.2036854776000e+13F && double_Array_0[0][1] <= -1.0e-20F) || (double_Array_0[0][1] <= 9223372.036854776000e+12F && double_Array_0[0][1] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, signed_char_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L71] double_Array_0[1][1] = __VERIFIER_nondet_double() [L72] EXPR double_Array_0[1][1] [L72] EXPR double_Array_0[1][1] >= -922337.2036854776000e+13F && double_Array_0[1][1] <= -1.0e-20F [L72] EXPR double_Array_0[1][1] [L72] EXPR double_Array_0[1][1] >= -922337.2036854776000e+13F && double_Array_0[1][1] <= -1.0e-20F [L72] EXPR (double_Array_0[1][1] >= -922337.2036854776000e+13F && double_Array_0[1][1] <= -1.0e-20F) || (double_Array_0[1][1] <= 9223372.036854776000e+12F && double_Array_0[1][1] >= 1.0e-20F ) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, signed_char_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L72] CALL assume_abort_if_not((double_Array_0[1][1] >= -922337.2036854776000e+13F && double_Array_0[1][1] <= -1.0e-20F) || (double_Array_0[1][1] <= 9223372.036854776000e+12F && double_Array_0[1][1] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, signed_char_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L20] COND FALSE !(!cond) [L72] RET assume_abort_if_not((double_Array_0[1][1] >= -922337.2036854776000e+13F && double_Array_0[1][1] <= -1.0e-20F) || (double_Array_0[1][1] <= 9223372.036854776000e+12F && double_Array_0[1][1] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, signed_char_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L73] signed_char_Array_0[0][0] = __VERIFIER_nondet_char() [L74] EXPR signed_char_Array_0[0][0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, signed_char_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L74] CALL assume_abort_if_not(signed_char_Array_0[0][0] >= 63) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, signed_char_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L20] COND FALSE !(!cond) [L74] RET assume_abort_if_not(signed_char_Array_0[0][0] >= 63) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, signed_char_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L75] EXPR signed_char_Array_0[0][0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, signed_char_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L75] CALL assume_abort_if_not(signed_char_Array_0[0][0] <= 127) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, signed_char_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L20] COND FALSE !(!cond) [L75] RET assume_abort_if_not(signed_char_Array_0[0][0] <= 127) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, signed_char_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L76] signed_char_Array_0[1][0] = __VERIFIER_nondet_char() [L77] EXPR signed_char_Array_0[1][0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, signed_char_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L77] CALL assume_abort_if_not(signed_char_Array_0[1][0] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, signed_char_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L20] COND FALSE !(!cond) [L77] RET assume_abort_if_not(signed_char_Array_0[1][0] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, signed_char_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L78] EXPR signed_char_Array_0[1][0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, signed_char_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L78] CALL assume_abort_if_not(signed_char_Array_0[1][0] <= 64) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, signed_char_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L20] COND FALSE !(!cond) [L78] RET assume_abort_if_not(signed_char_Array_0[1][0] <= 64) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, signed_char_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L79] signed_char_Array_0[0][1] = __VERIFIER_nondet_char() [L80] EXPR signed_char_Array_0[0][1] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, signed_char_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L80] CALL assume_abort_if_not(signed_char_Array_0[0][1] >= -127) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, signed_char_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L20] COND FALSE !(!cond) [L80] RET assume_abort_if_not(signed_char_Array_0[0][1] >= -127) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, signed_char_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L81] EXPR signed_char_Array_0[0][1] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, signed_char_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L81] CALL assume_abort_if_not(signed_char_Array_0[0][1] <= 126) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, signed_char_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L20] COND FALSE !(!cond) [L81] RET assume_abort_if_not(signed_char_Array_0[0][1] <= 126) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, signed_char_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L82] unsigned_short_int_Array_0[1] = __VERIFIER_nondet_ushort() [L83] EXPR unsigned_short_int_Array_0[1] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, signed_char_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L83] CALL assume_abort_if_not(unsigned_short_int_Array_0[1] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, signed_char_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L20] COND FALSE !(!cond) [L83] RET assume_abort_if_not(unsigned_short_int_Array_0[1] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, signed_char_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L84] EXPR unsigned_short_int_Array_0[1] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, signed_char_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L84] CALL assume_abort_if_not(unsigned_short_int_Array_0[1] <= 65535) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, signed_char_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L20] COND FALSE !(!cond) [L84] RET assume_abort_if_not(unsigned_short_int_Array_0[1] <= 65535) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, signed_char_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L85] EXPR unsigned_short_int_Array_0[1] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, signed_char_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L85] CALL assume_abort_if_not(unsigned_short_int_Array_0[1] != 0) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, signed_char_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L20] COND FALSE !(!cond) [L85] RET assume_abort_if_not(unsigned_short_int_Array_0[1] != 0) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, signed_char_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L98] RET updateVariables() [L99] CALL step() [L40] EXPR double_Array_0[0][0] [L40] EXPR double_Array_0[1][0] [L40] EXPR double_Array_0[0][1] [L40] EXPR double_Array_0[1][1] [L40] EXPR ((1.875) > (double_Array_0[1][1])) ? (1.875) : (double_Array_0[1][1]) [L40] COND FALSE !(((double_Array_0[0][0] - double_Array_0[1][0]) + double_Array_0[0][1]) <= (256.625 * ((((1.875) > (double_Array_0[1][1])) ? (1.875) : (double_Array_0[1][1]))))) [L43] BOOL_unsigned_char_Array_0[0] [L43] COND TRUE BOOL_unsigned_char_Array_0[0] [L44] EXPR unsigned_char_Array_0[0] [L44] EXPR unsigned_char_Array_0[0] [L44] EXPR ((unsigned_char_Array_0[0]) > (unsigned_char_Array_0[0])) ? (unsigned_char_Array_0[0]) : (unsigned_char_Array_0[0]) [L44] EXPR unsigned_char_Array_0[0] [L44] EXPR ((unsigned_char_Array_0[0]) > (unsigned_char_Array_0[0])) ? (unsigned_char_Array_0[0]) : (unsigned_char_Array_0[0]) [L44] unsigned_short_int_Array_0[2] = ((((unsigned_char_Array_0[0]) > (unsigned_char_Array_0[0])) ? (unsigned_char_Array_0[0]) : (unsigned_char_Array_0[0]))) [L46] EXPR unsigned_short_int_Array_0[2] [L46] (unsigned_short_int_Array_0[2] == 16) || (unsigned_char_Array_0[0] < (10 / unsigned_short_int_Array_0[1])) [L46] COND TRUE (unsigned_short_int_Array_0[2] == 16) || (unsigned_char_Array_0[0] < (10 / unsigned_short_int_Array_0[1])) [L47] EXPR signed_char_Array_0[0][1] [L47] signed_char_Array_0[1][1] = signed_char_Array_0[0][1] [L51] EXPR unsigned_char_Array_0[0] [L51] unsigned char stepLocal_1 = unsigned_char_Array_0[0]; [L52] EXPR BOOL_unsigned_char_Array_0[0] [L52] unsigned char stepLocal_0 = BOOL_unsigned_char_Array_0[0]; [L53] stepLocal_0 || (unsigned_char_Array_0[0] >= unsigned_char_Array_0[0]) [L53] COND TRUE stepLocal_0 || (unsigned_char_Array_0[0] >= unsigned_char_Array_0[0]) [L54] EXPR signed_char_Array_0[0][0] [L54] EXPR signed_char_Array_0[1][0] [L54] COND FALSE !(stepLocal_1 < ((signed_char_Array_0[0][0] - signed_char_Array_0[1][0]) - 16)) [L99] RET step() [L100] CALL, EXPR property() [L90] EXPR BOOL_unsigned_char_Array_0[0] [L90] EXPR BOOL_unsigned_char_Array_0[0] ? (unsigned_short_int_Array_0[2] == ((unsigned short int) ((((unsigned_char_Array_0[0]) > (unsigned_char_Array_0[0])) ? (unsigned_char_Array_0[0]) : (unsigned_char_Array_0[0]))))) : 1 [L90] EXPR unsigned_short_int_Array_0[2] [L90] EXPR unsigned_char_Array_0[0] [L90] EXPR unsigned_char_Array_0[0] [L90] EXPR ((unsigned_char_Array_0[0]) > (unsigned_char_Array_0[0])) ? (unsigned_char_Array_0[0]) : (unsigned_char_Array_0[0]) [L90] EXPR unsigned_char_Array_0[0] [L90] EXPR ((unsigned_char_Array_0[0]) > (unsigned_char_Array_0[0])) ? (unsigned_char_Array_0[0]) : (unsigned_char_Array_0[0]) [L90] EXPR BOOL_unsigned_char_Array_0[0] ? (unsigned_short_int_Array_0[2] == ((unsigned short int) ((((unsigned_char_Array_0[0]) > (unsigned_char_Array_0[0])) ? (unsigned_char_Array_0[0]) : (unsigned_char_Array_0[0]))))) : 1 [L90] EXPR (BOOL_unsigned_char_Array_0[0] ? (unsigned_short_int_Array_0[2] == ((unsigned short int) ((((unsigned_char_Array_0[0]) > (unsigned_char_Array_0[0])) ? (unsigned_char_Array_0[0]) : (unsigned_char_Array_0[0]))))) : 1) && (((unsigned_short_int_Array_0[2] == 16) || (unsigned_char_Array_0[0] < (10 / unsigned_short_int_Array_0[1]))) ? (signed_char_Array_0[1][1] == ((signed char) signed_char_Array_0[0][1])) : (signed_char_Array_0[1][1] == ((signed char) 5))) [L90] EXPR unsigned_short_int_Array_0[2] [L90] EXPR (unsigned_short_int_Array_0[2] == 16) || (unsigned_char_Array_0[0] < (10 / unsigned_short_int_Array_0[1])) [L90] EXPR ((unsigned_short_int_Array_0[2] == 16) || (unsigned_char_Array_0[0] < (10 / unsigned_short_int_Array_0[1]))) ? (signed_char_Array_0[1][1] == ((signed char) signed_char_Array_0[0][1])) : (signed_char_Array_0[1][1] == ((signed char) 5)) [L90] EXPR signed_char_Array_0[1][1] [L90] EXPR signed_char_Array_0[0][1] [L90] EXPR ((unsigned_short_int_Array_0[2] == 16) || (unsigned_char_Array_0[0] < (10 / unsigned_short_int_Array_0[1]))) ? (signed_char_Array_0[1][1] == ((signed char) signed_char_Array_0[0][1])) : (signed_char_Array_0[1][1] == ((signed char) 5)) [L90] EXPR (BOOL_unsigned_char_Array_0[0] ? (unsigned_short_int_Array_0[2] == ((unsigned short int) ((((unsigned_char_Array_0[0]) > (unsigned_char_Array_0[0])) ? (unsigned_char_Array_0[0]) : (unsigned_char_Array_0[0]))))) : 1) && (((unsigned_short_int_Array_0[2] == 16) || (unsigned_char_Array_0[0] < (10 / unsigned_short_int_Array_0[1]))) ? (signed_char_Array_0[1][1] == ((signed char) signed_char_Array_0[0][1])) : (signed_char_Array_0[1][1] == ((signed char) 5))) [L90] EXPR ((BOOL_unsigned_char_Array_0[0] ? (unsigned_short_int_Array_0[2] == ((unsigned short int) ((((unsigned_char_Array_0[0]) > (unsigned_char_Array_0[0])) ? (unsigned_char_Array_0[0]) : (unsigned_char_Array_0[0]))))) : 1) && (((unsigned_short_int_Array_0[2] == 16) || (unsigned_char_Array_0[0] < (10 / unsigned_short_int_Array_0[1]))) ? (signed_char_Array_0[1][1] == ((signed char) signed_char_Array_0[0][1])) : (signed_char_Array_0[1][1] == ((signed char) 5)))) && ((BOOL_unsigned_char_Array_0[0] || (unsigned_char_Array_0[0] >= unsigned_char_Array_0[0])) ? ((unsigned_char_Array_0[0] < ((signed_char_Array_0[0][0] - signed_char_Array_0[1][0]) - 16)) ? (unsigned_short_int_Array_0[0] == ((unsigned short int) ((((signed_char_Array_0[1][0]) > (32)) ? (signed_char_Array_0[1][0]) : (32))))) : 1) : (unsigned_short_int_Array_0[0] == ((unsigned short int) ((((signed_char_Array_0[0][0]) < (unsigned_char_Array_0[0])) ? (signed_char_Array_0[0][0]) : (unsigned_char_Array_0[0])))))) [L90] EXPR BOOL_unsigned_char_Array_0[0] [L90] EXPR BOOL_unsigned_char_Array_0[0] || (unsigned_char_Array_0[0] >= unsigned_char_Array_0[0]) [L90] EXPR (BOOL_unsigned_char_Array_0[0] || (unsigned_char_Array_0[0] >= unsigned_char_Array_0[0])) ? ((unsigned_char_Array_0[0] < ((signed_char_Array_0[0][0] - signed_char_Array_0[1][0]) - 16)) ? (unsigned_short_int_Array_0[0] == ((unsigned short int) ((((signed_char_Array_0[1][0]) > (32)) ? (signed_char_Array_0[1][0]) : (32))))) : 1) : (unsigned_short_int_Array_0[0] == ((unsigned short int) ((((signed_char_Array_0[0][0]) < (unsigned_char_Array_0[0])) ? (signed_char_Array_0[0][0]) : (unsigned_char_Array_0[0]))))) [L90] EXPR unsigned_char_Array_0[0] [L90] EXPR signed_char_Array_0[0][0] [L90] EXPR signed_char_Array_0[1][0] [L90] EXPR (unsigned_char_Array_0[0] < ((signed_char_Array_0[0][0] - signed_char_Array_0[1][0]) - 16)) ? (unsigned_short_int_Array_0[0] == ((unsigned short int) ((((signed_char_Array_0[1][0]) > (32)) ? (signed_char_Array_0[1][0]) : (32))))) : 1 [L90] EXPR (BOOL_unsigned_char_Array_0[0] || (unsigned_char_Array_0[0] >= unsigned_char_Array_0[0])) ? ((unsigned_char_Array_0[0] < ((signed_char_Array_0[0][0] - signed_char_Array_0[1][0]) - 16)) ? (unsigned_short_int_Array_0[0] == ((unsigned short int) ((((signed_char_Array_0[1][0]) > (32)) ? (signed_char_Array_0[1][0]) : (32))))) : 1) : (unsigned_short_int_Array_0[0] == ((unsigned short int) ((((signed_char_Array_0[0][0]) < (unsigned_char_Array_0[0])) ? (signed_char_Array_0[0][0]) : (unsigned_char_Array_0[0]))))) [L90] EXPR ((BOOL_unsigned_char_Array_0[0] ? (unsigned_short_int_Array_0[2] == ((unsigned short int) ((((unsigned_char_Array_0[0]) > (unsigned_char_Array_0[0])) ? (unsigned_char_Array_0[0]) : (unsigned_char_Array_0[0]))))) : 1) && (((unsigned_short_int_Array_0[2] == 16) || (unsigned_char_Array_0[0] < (10 / unsigned_short_int_Array_0[1]))) ? (signed_char_Array_0[1][1] == ((signed char) signed_char_Array_0[0][1])) : (signed_char_Array_0[1][1] == ((signed char) 5)))) && ((BOOL_unsigned_char_Array_0[0] || (unsigned_char_Array_0[0] >= unsigned_char_Array_0[0])) ? ((unsigned_char_Array_0[0] < ((signed_char_Array_0[0][0] - signed_char_Array_0[1][0]) - 16)) ? (unsigned_short_int_Array_0[0] == ((unsigned short int) ((((signed_char_Array_0[1][0]) > (32)) ? (signed_char_Array_0[1][0]) : (32))))) : 1) : (unsigned_short_int_Array_0[0] == ((unsigned short int) ((((signed_char_Array_0[0][0]) < (unsigned_char_Array_0[0])) ? (signed_char_Array_0[0][0]) : (unsigned_char_Array_0[0])))))) [L90] EXPR (((BOOL_unsigned_char_Array_0[0] ? (unsigned_short_int_Array_0[2] == ((unsigned short int) ((((unsigned_char_Array_0[0]) > (unsigned_char_Array_0[0])) ? (unsigned_char_Array_0[0]) : (unsigned_char_Array_0[0]))))) : 1) && (((unsigned_short_int_Array_0[2] == 16) || (unsigned_char_Array_0[0] < (10 / unsigned_short_int_Array_0[1]))) ? (signed_char_Array_0[1][1] == ((signed char) signed_char_Array_0[0][1])) : (signed_char_Array_0[1][1] == ((signed char) 5)))) && ((BOOL_unsigned_char_Array_0[0] || (unsigned_char_Array_0[0] >= unsigned_char_Array_0[0])) ? ((unsigned_char_Array_0[0] < ((signed_char_Array_0[0][0] - signed_char_Array_0[1][0]) - 16)) ? (unsigned_short_int_Array_0[0] == ((unsigned short int) ((((signed_char_Array_0[1][0]) > (32)) ? (signed_char_Array_0[1][0]) : (32))))) : 1) : (unsigned_short_int_Array_0[0] == ((unsigned short int) ((((signed_char_Array_0[0][0]) < (unsigned_char_Array_0[0])) ? (signed_char_Array_0[0][0]) : (unsigned_char_Array_0[0]))))))) && ((((double_Array_0[0][0] - double_Array_0[1][0]) + double_Array_0[0][1]) <= (256.625 * ((((1.875) > (double_Array_0[1][1])) ? (1.875) : (double_Array_0[1][1]))))) ? (unsigned_char_Array_0[0] == ((unsigned char) (((((5) < 0 ) ? -(5) : (5))) + 5))) : 1) [L90] EXPR double_Array_0[0][0] [L90] EXPR double_Array_0[1][0] [L90] EXPR double_Array_0[0][1] [L90] EXPR double_Array_0[1][1] [L90] EXPR ((1.875) > (double_Array_0[1][1])) ? (1.875) : (double_Array_0[1][1]) [L90] EXPR (((double_Array_0[0][0] - double_Array_0[1][0]) + double_Array_0[0][1]) <= (256.625 * ((((1.875) > (double_Array_0[1][1])) ? (1.875) : (double_Array_0[1][1]))))) ? (unsigned_char_Array_0[0] == ((unsigned char) (((((5) < 0 ) ? -(5) : (5))) + 5))) : 1 [L90] EXPR unsigned_char_Array_0[0] [L90] EXPR (((double_Array_0[0][0] - double_Array_0[1][0]) + double_Array_0[0][1]) <= (256.625 * ((((1.875) > (double_Array_0[1][1])) ? (1.875) : (double_Array_0[1][1]))))) ? (unsigned_char_Array_0[0] == ((unsigned char) (((((5) < 0 ) ? -(5) : (5))) + 5))) : 1 [L90] EXPR (((BOOL_unsigned_char_Array_0[0] ? (unsigned_short_int_Array_0[2] == ((unsigned short int) ((((unsigned_char_Array_0[0]) > (unsigned_char_Array_0[0])) ? (unsigned_char_Array_0[0]) : (unsigned_char_Array_0[0]))))) : 1) && (((unsigned_short_int_Array_0[2] == 16) || (unsigned_char_Array_0[0] < (10 / unsigned_short_int_Array_0[1]))) ? (signed_char_Array_0[1][1] == ((signed char) signed_char_Array_0[0][1])) : (signed_char_Array_0[1][1] == ((signed char) 5)))) && ((BOOL_unsigned_char_Array_0[0] || (unsigned_char_Array_0[0] >= unsigned_char_Array_0[0])) ? ((unsigned_char_Array_0[0] < ((signed_char_Array_0[0][0] - signed_char_Array_0[1][0]) - 16)) ? (unsigned_short_int_Array_0[0] == ((unsigned short int) ((((signed_char_Array_0[1][0]) > (32)) ? (signed_char_Array_0[1][0]) : (32))))) : 1) : (unsigned_short_int_Array_0[0] == ((unsigned short int) ((((signed_char_Array_0[0][0]) < (unsigned_char_Array_0[0])) ? (signed_char_Array_0[0][0]) : (unsigned_char_Array_0[0]))))))) && ((((double_Array_0[0][0] - double_Array_0[1][0]) + double_Array_0[0][1]) <= (256.625 * ((((1.875) > (double_Array_0[1][1])) ? (1.875) : (double_Array_0[1][1]))))) ? (unsigned_char_Array_0[0] == ((unsigned char) (((((5) < 0 ) ? -(5) : (5))) + 5))) : 1) [L90-L91] return (((BOOL_unsigned_char_Array_0[0] ? (unsigned_short_int_Array_0[2] == ((unsigned short int) ((((unsigned_char_Array_0[0]) > (unsigned_char_Array_0[0])) ? (unsigned_char_Array_0[0]) : (unsigned_char_Array_0[0]))))) : 1) && (((unsigned_short_int_Array_0[2] == 16) || (unsigned_char_Array_0[0] < (10 / unsigned_short_int_Array_0[1]))) ? (signed_char_Array_0[1][1] == ((signed char) signed_char_Array_0[0][1])) : (signed_char_Array_0[1][1] == ((signed char) 5)))) && ((BOOL_unsigned_char_Array_0[0] || (unsigned_char_Array_0[0] >= unsigned_char_Array_0[0])) ? ((unsigned_char_Array_0[0] < ((signed_char_Array_0[0][0] - signed_char_Array_0[1][0]) - 16)) ? (unsigned_short_int_Array_0[0] == ((unsigned short int) ((((signed_char_Array_0[1][0]) > (32)) ? (signed_char_Array_0[1][0]) : (32))))) : 1) : (unsigned_short_int_Array_0[0] == ((unsigned short int) ((((signed_char_Array_0[0][0]) < (unsigned_char_Array_0[0])) ? (signed_char_Array_0[0][0]) : (unsigned_char_Array_0[0]))))))) && ((((double_Array_0[0][0] - double_Array_0[1][0]) + double_Array_0[0][1]) <= (256.625 * ((((1.875) > (double_Array_0[1][1])) ? (1.875) : (double_Array_0[1][1]))))) ? (unsigned_char_Array_0[0] == ((unsigned char) (((((5) < 0 ) ? -(5) : (5))) + 5))) : 1) ; [L100] RET, EXPR property() [L100] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=0, cond=0, double_Array_0={5:0}, isInitial=1, signed_char_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L19] reach_error() VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=0, cond=0, double_Array_0={5:0}, isInitial=1, signed_char_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 39 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 2.2s, OverallIterations: 1, TraceHistogramMax: 15, 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=39occurred 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, 0.7s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 64 NumberOfCodeBlocks, 64 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 [2023-11-24 23:14:46,298 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_596acb4e-94d3-4210-93a4-3134c69f2821/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_596acb4e-94d3-4210-93a4-3134c69f2821/bin/utaipan-verify-SwPr7d2a91/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_596acb4e-94d3-4210-93a4-3134c69f2821/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_596acb4e-94d3-4210-93a4-3134c69f2821/bin/utaipan-verify-SwPr7d2a91/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_596acb4e-94d3-4210-93a4-3134c69f2821/bin/utaipan-verify-SwPr7d2a91/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-13.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_596acb4e-94d3-4210-93a4-3134c69f2821/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_596acb4e-94d3-4210-93a4-3134c69f2821/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 e6d92a25ae36f7e711770b5cc6315f0210bbc7c0c024aaddffcd3216b7942769 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 23:14:48,873 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:14:49,003 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_596acb4e-94d3-4210-93a4-3134c69f2821/bin/utaipan-verify-SwPr7d2a91/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2023-11-24 23:14:49,013 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 23:14:49,013 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-24 23:14:49,040 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:14:49,040 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-24 23:14:49,041 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-24 23:14:49,042 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 23:14:49,042 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-24 23:14:49,043 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-24 23:14:49,044 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-24 23:14:49,044 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-24 23:14:49,045 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-24 23:14:49,045 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-24 23:14:49,046 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-24 23:14:49,047 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:14:49,048 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 23:14:49,048 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 23:14:49,049 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 23:14:49,049 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:14:49,050 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 23:14:49,050 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:14:49,051 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 23:14:49,051 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-24 23:14:49,052 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-24 23:14:49,052 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-24 23:14:49,053 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 23:14:49,053 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 23:14:49,053 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:14:49,054 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:14:49,054 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-24 23:14:49,055 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-24 23:14:49,056 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-24 23:14:49,056 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-24 23:14:49,056 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:14:49,057 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:14:49,057 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 23:14:49,057 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-24 23:14:49,058 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-24 23:14:49,059 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-24 23:14:49,059 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 23:14:49,059 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-24 23:14:49,060 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-24 23:14:49,060 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_596acb4e-94d3-4210-93a4-3134c69f2821/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_596acb4e-94d3-4210-93a4-3134c69f2821/bin/utaipan-verify-SwPr7d2a91 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e6d92a25ae36f7e711770b5cc6315f0210bbc7c0c024aaddffcd3216b7942769 [2023-11-24 23:14:49,485 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:14:49,515 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:14:49,520 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:14:49,521 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:14:49,522 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:14:49,524 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_596acb4e-94d3-4210-93a4-3134c69f2821/bin/utaipan-verify-SwPr7d2a91/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-13.i [2023-11-24 23:14:52,810 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:14:53,107 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:14:53,108 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_596acb4e-94d3-4210-93a4-3134c69f2821/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-13.i [2023-11-24 23:14:53,131 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_596acb4e-94d3-4210-93a4-3134c69f2821/bin/utaipan-verify-SwPr7d2a91/data/6fdc33cea/e9dbf393250b4fcf906a2343f77a81c9/FLAG2406f7520 [2023-11-24 23:14:53,146 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_596acb4e-94d3-4210-93a4-3134c69f2821/bin/utaipan-verify-SwPr7d2a91/data/6fdc33cea/e9dbf393250b4fcf906a2343f77a81c9 [2023-11-24 23:14:53,148 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:14:53,150 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:14:53,151 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:14:53,152 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:14:53,157 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:14:53,162 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:14:53" (1/1) ... [2023-11-24 23:14:53,164 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@297a1d12 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:14:53, skipping insertion in model container [2023-11-24 23:14:53,164 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:14:53" (1/1) ... [2023-11-24 23:14:53,194 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:14:53,370 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_596acb4e-94d3-4210-93a4-3134c69f2821/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-13.i[916,929] [2023-11-24 23:14:53,490 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:14:53,520 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 23:14:53,539 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_596acb4e-94d3-4210-93a4-3134c69f2821/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-13.i[916,929] [2023-11-24 23:14:53,615 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:14:53,643 INFO L206 MainTranslator]: Completed translation [2023-11-24 23:14:53,643 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:14:53 WrapperNode [2023-11-24 23:14:53,644 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:14:53,645 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 23:14:53,645 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 23:14:53,645 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 23:14:53,653 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:14:53" (1/1) ... [2023-11-24 23:14:53,685 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:14:53" (1/1) ... [2023-11-24 23:14:53,781 INFO L138 Inliner]: procedures = 33, calls = 146, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 426 [2023-11-24 23:14:53,781 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 23:14:53,782 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 23:14:53,782 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 23:14:53,782 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 23:14:53,816 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:14:53" (1/1) ... [2023-11-24 23:14:53,817 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:14:53" (1/1) ... [2023-11-24 23:14:53,825 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:14:53" (1/1) ... [2023-11-24 23:14:53,825 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:14:53" (1/1) ... [2023-11-24 23:14:53,874 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:14:53" (1/1) ... [2023-11-24 23:14:53,880 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:14:53" (1/1) ... [2023-11-24 23:14:53,884 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:14:53" (1/1) ... [2023-11-24 23:14:53,887 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:14:53" (1/1) ... [2023-11-24 23:14:53,909 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 23:14:53,910 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 23:14:53,910 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 23:14:53,911 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 23:14:53,912 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:14:53" (1/1) ... [2023-11-24 23:14:53,930 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-24 23:14:53,946 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_596acb4e-94d3-4210-93a4-3134c69f2821/bin/utaipan-verify-SwPr7d2a91/z3 [2023-11-24 23:14:53,963 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_596acb4e-94d3-4210-93a4-3134c69f2821/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-24 23:14:53,993 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_596acb4e-94d3-4210-93a4-3134c69f2821/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-24 23:14:54,017 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 23:14:54,017 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2023-11-24 23:14:54,018 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2023-11-24 23:14:54,018 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2023-11-24 23:14:54,018 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2023-11-24 23:14:54,018 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-24 23:14:54,019 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8 [2023-11-24 23:14:54,020 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2023-11-24 23:14:54,021 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-24 23:14:54,021 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-24 23:14:54,022 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 23:14:54,022 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 23:14:54,022 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2023-11-24 23:14:54,022 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2023-11-24 23:14:54,212 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 23:14:54,214 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 23:15:02,494 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 23:15:02,553 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 23:15:02,553 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-24 23:15:02,554 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:15:02 BoogieIcfgContainer [2023-11-24 23:15:02,554 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 23:15:02,557 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-24 23:15:02,557 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-24 23:15:02,561 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-24 23:15:02,561 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 11:14:53" (1/3) ... [2023-11-24 23:15:02,562 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@70d8fbe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 11:15:02, skipping insertion in model container [2023-11-24 23:15:02,562 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:14:53" (2/3) ... [2023-11-24 23:15:02,563 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@70d8fbe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 11:15:02, skipping insertion in model container [2023-11-24 23:15:02,563 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:15:02" (3/3) ... [2023-11-24 23:15:02,564 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-a_file-13.i [2023-11-24 23:15:02,585 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-24 23:15:02,586 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-24 23:15:02,640 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-24 23:15:02,647 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;@31f91457, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-24 23:15:02,648 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-24 23:15:02,653 INFO L276 IsEmpty]: Start isEmpty. Operand has 105 states, 87 states have (on average 1.4827586206896552) internal successors, (129), 88 states have internal predecessors, (129), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2023-11-24 23:15:02,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2023-11-24 23:15:02,669 INFO L187 NwaCegarLoop]: Found error trace [2023-11-24 23:15:02,670 INFO L195 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-24 23:15:02,671 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-24 23:15:02,677 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:15:02,677 INFO L85 PathProgramCache]: Analyzing trace with hash 862753763, now seen corresponding path program 1 times [2023-11-24 23:15:02,693 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-24 23:15:02,694 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [939461565] [2023-11-24 23:15:02,694 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:15:02,695 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 [2023-11-24 23:15:02,695 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_596acb4e-94d3-4210-93a4-3134c69f2821/bin/utaipan-verify-SwPr7d2a91/mathsat [2023-11-24 23:15:02,698 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_596acb4e-94d3-4210-93a4-3134c69f2821/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) [2023-11-24 23:15:02,703 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_596acb4e-94d3-4210-93a4-3134c69f2821/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 [2023-11-24 23:15:03,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:15:03,306 INFO L262 TraceCheckSpWp]: Trace formula consists of 276 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-24 23:15:03,324 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:15:03,609 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 10 [2023-11-24 23:15:03,678 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2023-11-24 23:15:03,678 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-24 23:15:03,679 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-24 23:15:03,679 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [939461565] [2023-11-24 23:15:03,680 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [939461565] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-24 23:15:03,680 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-24 23:15:03,680 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-24 23:15:03,683 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1665097697] [2023-11-24 23:15:03,684 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-24 23:15:03,690 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-24 23:15:03,690 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-24 23:15:03,720 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-24 23:15:03,721 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-24 23:15:03,725 INFO L87 Difference]: Start difference. First operand has 105 states, 87 states have (on average 1.4827586206896552) internal successors, (129), 88 states have internal predecessors, (129), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) Second operand has 5 states, 5 states have (on average 10.8) internal successors, (54), 5 states have internal predecessors, (54), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2023-11-24 23:15:06,518 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-24 23:15:08,526 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-24 23:15:12,766 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-24 23:15:14,769 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-24 23:15:17,394 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-24 23:15:19,718 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-24 23:15:19,750 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-24 23:15:19,750 INFO L93 Difference]: Finished difference Result 264 states and 420 transitions. [2023-11-24 23:15:19,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-24 23:15:19,756 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.8) internal successors, (54), 5 states have internal predecessors, (54), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) Word has length 126 [2023-11-24 23:15:19,757 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-24 23:15:19,767 INFO L225 Difference]: With dead ends: 264 [2023-11-24 23:15:19,768 INFO L226 Difference]: Without dead ends: 160 [2023-11-24 23:15:19,771 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 127 GetRequests, 122 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2023-11-24 23:15:19,775 INFO L413 NwaCegarLoop]: 162 mSDtfsCounter, 119 mSDsluCounter, 348 mSDsCounter, 0 mSdLazyCounter, 207 mSolverCounterSat, 4 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 119 SdHoareTripleChecker+Valid, 510 SdHoareTripleChecker+Invalid, 217 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 207 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.9s IncrementalHoareTripleChecker+Time [2023-11-24 23:15:19,776 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [119 Valid, 510 Invalid, 217 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 207 Invalid, 6 Unknown, 0 Unchecked, 15.9s Time] [2023-11-24 23:15:19,812 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 160 states. [2023-11-24 23:15:19,841 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 160 to 107. [2023-11-24 23:15:19,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 107 states, 90 states have (on average 1.4333333333333333) internal successors, (129), 90 states have internal predecessors, (129), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2023-11-24 23:15:19,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 159 transitions. [2023-11-24 23:15:19,847 INFO L78 Accepts]: Start accepts. Automaton has 107 states and 159 transitions. Word has length 126 [2023-11-24 23:15:19,849 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-24 23:15:19,849 INFO L495 AbstractCegarLoop]: Abstraction has 107 states and 159 transitions. [2023-11-24 23:15:19,850 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.8) internal successors, (54), 5 states have internal predecessors, (54), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2023-11-24 23:15:19,850 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 159 transitions. [2023-11-24 23:15:19,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2023-11-24 23:15:19,854 INFO L187 NwaCegarLoop]: Found error trace [2023-11-24 23:15:19,854 INFO L195 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-24 23:15:19,866 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_596acb4e-94d3-4210-93a4-3134c69f2821/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)] Ended with exit code 0 [2023-11-24 23:15:20,062 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_596acb4e-94d3-4210-93a4-3134c69f2821/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 [2023-11-24 23:15:20,063 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-24 23:15:20,063 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:15:20,063 INFO L85 PathProgramCache]: Analyzing trace with hash -148363487, now seen corresponding path program 1 times [2023-11-24 23:15:20,064 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-24 23:15:20,065 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1305709981] [2023-11-24 23:15:20,065 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:15:20,065 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 [2023-11-24 23:15:20,066 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_596acb4e-94d3-4210-93a4-3134c69f2821/bin/utaipan-verify-SwPr7d2a91/mathsat [2023-11-24 23:15:20,067 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_596acb4e-94d3-4210-93a4-3134c69f2821/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) [2023-11-24 23:15:20,077 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_596acb4e-94d3-4210-93a4-3134c69f2821/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 [2023-11-24 23:15:20,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:15:20,622 INFO L262 TraceCheckSpWp]: Trace formula consists of 279 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-24 23:15:20,628 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:15:20,670 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2023-11-24 23:15:20,671 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-24 23:15:20,671 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-24 23:15:20,671 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1305709981] [2023-11-24 23:15:20,672 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1305709981] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-24 23:15:20,672 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-24 23:15:20,672 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-24 23:15:20,672 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [348182047] [2023-11-24 23:15:20,673 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-24 23:15:20,674 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-24 23:15:20,675 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-24 23:15:20,675 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-24 23:15:20,676 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-24 23:15:20,676 INFO L87 Difference]: Start difference. First operand 107 states and 159 transitions. Second operand has 4 states, 4 states have (on average 13.5) internal successors, (54), 4 states have internal predecessors, (54), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2023-11-24 23:15:20,788 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-24 23:15:20,788 INFO L93 Difference]: Finished difference Result 235 states and 351 transitions. [2023-11-24 23:15:20,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-24 23:15:20,789 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.5) internal successors, (54), 4 states have internal predecessors, (54), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) Word has length 126 [2023-11-24 23:15:20,791 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-24 23:15:20,792 INFO L225 Difference]: With dead ends: 235 [2023-11-24 23:15:20,793 INFO L226 Difference]: Without dead ends: 129 [2023-11-24 23:15:20,794 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 126 GetRequests, 123 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-24 23:15:20,796 INFO L413 NwaCegarLoop]: 173 mSDtfsCounter, 41 mSDsluCounter, 310 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 41 SdHoareTripleChecker+Valid, 483 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-24 23:15:20,797 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [41 Valid, 483 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-24 23:15:20,798 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 129 states. [2023-11-24 23:15:20,809 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 129 to 109. [2023-11-24 23:15:20,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 109 states, 92 states have (on average 1.423913043478261) internal successors, (131), 92 states have internal predecessors, (131), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2023-11-24 23:15:20,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 161 transitions. [2023-11-24 23:15:20,811 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 161 transitions. Word has length 126 [2023-11-24 23:15:20,812 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-24 23:15:20,813 INFO L495 AbstractCegarLoop]: Abstraction has 109 states and 161 transitions. [2023-11-24 23:15:20,813 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.5) internal successors, (54), 4 states have internal predecessors, (54), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2023-11-24 23:15:20,813 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 161 transitions. [2023-11-24 23:15:20,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2023-11-24 23:15:20,816 INFO L187 NwaCegarLoop]: Found error trace [2023-11-24 23:15:20,816 INFO L195 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-24 23:15:20,835 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_596acb4e-94d3-4210-93a4-3134c69f2821/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)] Forceful destruction successful, exit code 0 [2023-11-24 23:15:21,035 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_596acb4e-94d3-4210-93a4-3134c69f2821/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 [2023-11-24 23:15:21,035 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-24 23:15:21,036 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:15:21,036 INFO L85 PathProgramCache]: Analyzing trace with hash 1909160394, now seen corresponding path program 1 times [2023-11-24 23:15:21,037 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-24 23:15:21,037 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1654947856] [2023-11-24 23:15:21,038 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:15:21,039 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 [2023-11-24 23:15:21,039 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_596acb4e-94d3-4210-93a4-3134c69f2821/bin/utaipan-verify-SwPr7d2a91/mathsat [2023-11-24 23:15:21,041 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_596acb4e-94d3-4210-93a4-3134c69f2821/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) [2023-11-24 23:15:21,068 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_596acb4e-94d3-4210-93a4-3134c69f2821/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 [2023-11-24 23:15:21,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:15:21,644 INFO L262 TraceCheckSpWp]: Trace formula consists of 282 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-24 23:15:21,650 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:15:21,838 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-24 23:15:21,838 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 155 treesize of output 65 [2023-11-24 23:15:21,896 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 104 proven. 0 refuted. 0 times theorem prover too weak. 316 trivial. 0 not checked. [2023-11-24 23:15:21,897 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-24 23:15:21,897 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-24 23:15:21,897 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1654947856] [2023-11-24 23:15:21,898 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1654947856] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-24 23:15:21,898 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-24 23:15:21,898 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-24 23:15:21,898 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1415070842] [2023-11-24 23:15:21,898 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-24 23:15:21,899 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-24 23:15:21,899 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-24 23:15:21,900 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-24 23:15:21,901 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-11-24 23:15:21,901 INFO L87 Difference]: Start difference. First operand 109 states and 161 transitions. Second operand has 6 states, 6 states have (on average 9.833333333333334) internal successors, (59), 5 states have internal predecessors, (59), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2023-11-24 23:15:25,144 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-24 23:15:27,146 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-24 23:15:29,483 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-24 23:15:32,553 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-24 23:15:34,869 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-24 23:15:36,297 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.43s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-24 23:15:36,394 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-24 23:15:36,395 INFO L93 Difference]: Finished difference Result 223 states and 330 transitions. [2023-11-24 23:15:36,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-24 23:15:36,396 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.833333333333334) internal successors, (59), 5 states have internal predecessors, (59), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 128 [2023-11-24 23:15:36,396 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-24 23:15:36,397 INFO L225 Difference]: With dead ends: 223 [2023-11-24 23:15:36,398 INFO L226 Difference]: Without dead ends: 115 [2023-11-24 23:15:36,399 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 131 GetRequests, 123 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=35, Invalid=55, Unknown=0, NotChecked=0, Total=90 [2023-11-24 23:15:36,400 INFO L413 NwaCegarLoop]: 125 mSDtfsCounter, 157 mSDsluCounter, 289 mSDsCounter, 0 mSdLazyCounter, 190 mSolverCounterSat, 5 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 157 SdHoareTripleChecker+Valid, 414 SdHoareTripleChecker+Invalid, 199 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 190 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.3s IncrementalHoareTripleChecker+Time [2023-11-24 23:15:36,401 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [157 Valid, 414 Invalid, 199 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 190 Invalid, 4 Unknown, 0 Unchecked, 14.3s Time] [2023-11-24 23:15:36,402 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2023-11-24 23:15:36,415 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 109. [2023-11-24 23:15:36,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 109 states, 92 states have (on average 1.4130434782608696) internal successors, (130), 92 states have internal predecessors, (130), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2023-11-24 23:15:36,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 160 transitions. [2023-11-24 23:15:36,426 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 160 transitions. Word has length 128 [2023-11-24 23:15:36,426 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-24 23:15:36,427 INFO L495 AbstractCegarLoop]: Abstraction has 109 states and 160 transitions. [2023-11-24 23:15:36,427 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.833333333333334) internal successors, (59), 5 states have internal predecessors, (59), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2023-11-24 23:15:36,427 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 160 transitions. [2023-11-24 23:15:36,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2023-11-24 23:15:36,429 INFO L187 NwaCegarLoop]: Found error trace [2023-11-24 23:15:36,430 INFO L195 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-24 23:15:36,441 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_596acb4e-94d3-4210-93a4-3134c69f2821/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 [2023-11-24 23:15:36,638 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_596acb4e-94d3-4210-93a4-3134c69f2821/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 [2023-11-24 23:15:36,638 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-24 23:15:36,639 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:15:36,639 INFO L85 PathProgramCache]: Analyzing trace with hash -332787196, now seen corresponding path program 1 times [2023-11-24 23:15:36,640 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-24 23:15:36,640 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1177314588] [2023-11-24 23:15:36,641 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:15:36,641 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 [2023-11-24 23:15:36,641 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_596acb4e-94d3-4210-93a4-3134c69f2821/bin/utaipan-verify-SwPr7d2a91/mathsat [2023-11-24 23:15:36,642 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_596acb4e-94d3-4210-93a4-3134c69f2821/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) [2023-11-24 23:15:36,655 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_596acb4e-94d3-4210-93a4-3134c69f2821/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 [2023-11-24 23:15:37,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:15:37,153 INFO L262 TraceCheckSpWp]: Trace formula consists of 288 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-24 23:15:37,158 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:15:37,383 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-24 23:15:37,384 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 173 treesize of output 65 [2023-11-24 23:15:37,434 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 144 proven. 0 refuted. 0 times theorem prover too weak. 276 trivial. 0 not checked. [2023-11-24 23:15:37,434 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-24 23:15:37,435 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-24 23:15:37,435 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1177314588] [2023-11-24 23:15:37,435 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1177314588] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-24 23:15:37,435 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-24 23:15:37,436 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-24 23:15:37,436 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1395769804] [2023-11-24 23:15:37,436 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-24 23:15:37,437 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-24 23:15:37,437 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-24 23:15:37,438 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-24 23:15:37,438 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-11-24 23:15:37,438 INFO L87 Difference]: Start difference. First operand 109 states and 160 transitions. Second operand has 6 states, 6 states have (on average 10.166666666666666) internal successors, (61), 5 states have internal predecessors, (61), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2023-11-24 23:15:40,374 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-24 23:15:42,377 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers []