./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-82.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_5122f626-5418-4184-b0ca-01d1ad822faa/bin/utaipan-verify-SwPr7d2a91/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5122f626-5418-4184-b0ca-01d1ad822faa/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_5122f626-5418-4184-b0ca-01d1ad822faa/bin/utaipan-verify-SwPr7d2a91/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5122f626-5418-4184-b0ca-01d1ad822faa/bin/utaipan-verify-SwPr7d2a91/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-82.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5122f626-5418-4184-b0ca-01d1ad822faa/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_5122f626-5418-4184-b0ca-01d1ad822faa/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 67160a6df79d1049c73d7b3dbc4aa323b185d65b8c91424febe1ccb6e4daf12a --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 23:55:34,162 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:55:34,294 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5122f626-5418-4184-b0ca-01d1ad822faa/bin/utaipan-verify-SwPr7d2a91/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-11-24 23:55:34,298 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 23:55:34,299 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-24 23:55:34,343 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:55:34,344 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-24 23:55:34,345 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-24 23:55:34,346 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 23:55:34,351 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-24 23:55:34,352 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-24 23:55:34,352 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-24 23:55:34,353 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-24 23:55:34,355 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-24 23:55:34,355 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-24 23:55:34,356 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-24 23:55:34,356 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-24 23:55:34,357 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-24 23:55:34,357 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-24 23:55:34,358 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-24 23:55:34,358 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-24 23:55:34,359 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-24 23:55:34,360 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:55:34,361 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 23:55:34,361 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 23:55:34,361 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 23:55:34,362 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 23:55:34,362 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:55:34,363 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 23:55:34,363 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:55:34,365 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 23:55:34,365 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 23:55:34,365 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 23:55:34,365 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:55:34,366 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:55:34,366 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-24 23:55:34,366 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-24 23:55:34,366 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-24 23:55:34,367 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:55:34,367 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:55:34,367 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 23:55:34,368 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-24 23:55:34,368 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 23:55:34,368 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-24 23:55:34,369 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 23:55:34,369 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-24 23:55:34,369 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-24 23:55:34,369 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_5122f626-5418-4184-b0ca-01d1ad822faa/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5122f626-5418-4184-b0ca-01d1ad822faa/bin/utaipan-verify-SwPr7d2a91 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 67160a6df79d1049c73d7b3dbc4aa323b185d65b8c91424febe1ccb6e4daf12a [2023-11-24 23:55:34,651 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:55:34,678 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:55:34,681 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:55:34,682 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:55:34,685 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:55:34,687 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5122f626-5418-4184-b0ca-01d1ad822faa/bin/utaipan-verify-SwPr7d2a91/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-82.i [2023-11-24 23:55:37,789 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:55:38,041 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:55:38,041 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5122f626-5418-4184-b0ca-01d1ad822faa/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-82.i [2023-11-24 23:55:38,053 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5122f626-5418-4184-b0ca-01d1ad822faa/bin/utaipan-verify-SwPr7d2a91/data/91de612df/3a79c5989496455faf452cf47fa35ba0/FLAG4ac66b30e [2023-11-24 23:55:38,074 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5122f626-5418-4184-b0ca-01d1ad822faa/bin/utaipan-verify-SwPr7d2a91/data/91de612df/3a79c5989496455faf452cf47fa35ba0 [2023-11-24 23:55:38,080 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:55:38,082 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:55:38,088 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:55:38,088 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:55:38,094 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:55:38,095 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:55:38" (1/1) ... [2023-11-24 23:55:38,096 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2e4bc82a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:55:38, skipping insertion in model container [2023-11-24 23:55:38,096 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:55:38" (1/1) ... [2023-11-24 23:55:38,144 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:55:38,354 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_5122f626-5418-4184-b0ca-01d1ad822faa/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-82.i[916,929] [2023-11-24 23:55:38,444 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:55:38,458 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 23:55:38,472 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_5122f626-5418-4184-b0ca-01d1ad822faa/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-82.i[916,929] [2023-11-24 23:55:38,533 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:55:38,562 INFO L206 MainTranslator]: Completed translation [2023-11-24 23:55:38,563 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:55:38 WrapperNode [2023-11-24 23:55:38,563 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:55:38,566 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 23:55:38,566 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 23:55:38,566 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 23:55:38,574 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:55:38" (1/1) ... [2023-11-24 23:55:38,605 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:55:38" (1/1) ... [2023-11-24 23:55:38,679 INFO L138 Inliner]: procedures = 29, calls = 162, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 458 [2023-11-24 23:55:38,679 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 23:55:38,680 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 23:55:38,680 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 23:55:38,681 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 23:55:38,692 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:55:38" (1/1) ... [2023-11-24 23:55:38,692 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:55:38" (1/1) ... [2023-11-24 23:55:38,720 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:55:38" (1/1) ... [2023-11-24 23:55:38,720 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:55:38" (1/1) ... [2023-11-24 23:55:38,776 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:55:38" (1/1) ... [2023-11-24 23:55:38,782 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:55:38" (1/1) ... [2023-11-24 23:55:38,785 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:55:38" (1/1) ... [2023-11-24 23:55:38,789 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:55:38" (1/1) ... [2023-11-24 23:55:38,796 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 23:55:38,797 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 23:55:38,798 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 23:55:38,798 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 23:55:38,799 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:55:38" (1/1) ... [2023-11-24 23:55:38,805 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-24 23:55:38,821 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5122f626-5418-4184-b0ca-01d1ad822faa/bin/utaipan-verify-SwPr7d2a91/z3 [2023-11-24 23:55:38,836 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5122f626-5418-4184-b0ca-01d1ad822faa/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-24 23:55:38,855 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5122f626-5418-4184-b0ca-01d1ad822faa/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-24 23:55:38,880 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 23:55:38,880 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2023-11-24 23:55:38,880 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-24 23:55:38,881 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2023-11-24 23:55:38,882 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-24 23:55:38,883 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2023-11-24 23:55:38,883 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-24 23:55:38,883 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-24 23:55:38,884 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 23:55:38,884 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 23:55:38,884 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 23:55:39,107 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 23:55:39,109 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 23:55:39,742 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 23:55:40,615 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 23:55:40,616 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-24 23:55:40,619 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:55:40 BoogieIcfgContainer [2023-11-24 23:55:40,619 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 23:55:40,624 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-24 23:55:40,624 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-24 23:55:40,628 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-24 23:55:40,629 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 11:55:38" (1/3) ... [2023-11-24 23:55:40,631 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@67f2a0d0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 11:55:40, skipping insertion in model container [2023-11-24 23:55:40,632 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:55:38" (2/3) ... [2023-11-24 23:55:40,634 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@67f2a0d0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 11:55:40, skipping insertion in model container [2023-11-24 23:55:40,634 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:55:40" (3/3) ... [2023-11-24 23:55:40,636 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-a_file-82.i [2023-11-24 23:55:40,658 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-24 23:55:40,659 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-24 23:55:40,734 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-24 23:55:40,743 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;@3d5868fa, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-24 23:55:40,744 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-24 23:55:40,748 INFO L276 IsEmpty]: Start isEmpty. Operand has 37 states, 20 states have (on average 1.15) internal successors, (23), 21 states have internal predecessors, (23), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2023-11-24 23:55:40,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-11-24 23:55:40,759 INFO L187 NwaCegarLoop]: Found error trace [2023-11-24 23:55:40,760 INFO L195 NwaCegarLoop]: trace histogram [14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-24 23:55:40,760 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-24 23:55:40,766 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:55:40,766 INFO L85 PathProgramCache]: Analyzing trace with hash -649424780, now seen corresponding path program 1 times [2023-11-24 23:55:40,777 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-24 23:55:40,777 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [644657084] [2023-11-24 23:55:40,778 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:55:40,778 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:55:43,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:55:43,109 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 23:55:44,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:55:44,307 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-11-24 23:55:44,312 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-24 23:55:44,313 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-24 23:55:44,316 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-24 23:55:44,328 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-24 23:55:44,334 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-24 23:55:44,427 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem45 could not be translated [2023-11-24 23:55:44,429 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem45 could not be translated [2023-11-24 23:55:44,429 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem46 could not be translated [2023-11-24 23:55:44,430 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem46 could not be translated [2023-11-24 23:55:44,431 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem52 could not be translated [2023-11-24 23:55:44,431 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem49 could not be translated [2023-11-24 23:55:44,431 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short53 could not be translated [2023-11-24 23:55:44,432 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem48 could not be translated [2023-11-24 23:55:44,432 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short54 could not be translated [2023-11-24 23:55:44,432 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short50 could not be translated [2023-11-24 23:55:44,432 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem51 could not be translated [2023-11-24 23:55:44,434 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short50 could not be translated [2023-11-24 23:55:44,435 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short54 could not be translated [2023-11-24 23:55:44,435 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem49 could not be translated [2023-11-24 23:55:44,435 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem48 could not be translated [2023-11-24 23:55:44,436 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short53 could not be translated [2023-11-24 23:55:44,441 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem51 could not be translated [2023-11-24 23:55:44,441 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem52 could not be translated [2023-11-24 23:55:44,443 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short58 could not be translated [2023-11-24 23:55:44,450 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem57 could not be translated [2023-11-24 23:55:44,451 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short62 could not be translated [2023-11-24 23:55:44,451 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short61 could not be translated [2023-11-24 23:55:44,452 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem59 could not be translated [2023-11-24 23:55:44,452 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem60 could not be translated [2023-11-24 23:55:44,452 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem56 could not be translated [2023-11-24 23:55:44,454 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem57 could not be translated [2023-11-24 23:55:44,455 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short62 could not be translated [2023-11-24 23:55:44,455 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem56 could not be translated [2023-11-24 23:55:44,456 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem59 could not be translated [2023-11-24 23:55:44,456 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem60 could not be translated [2023-11-24 23:55:44,456 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short58 could not be translated [2023-11-24 23:55:44,457 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short61 could not be translated [2023-11-24 23:55:44,458 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem64 could not be translated [2023-11-24 23:55:44,461 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem64 could not be translated [2023-11-24 23:55:44,462 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem65 could not be translated [2023-11-24 23:55:44,466 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem65 could not be translated [2023-11-24 23:55:44,467 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem67 could not be translated [2023-11-24 23:55:44,471 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem67 could not be translated [2023-11-24 23:55:44,475 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem68 could not be translated [2023-11-24 23:55:44,476 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem68 could not be translated [2023-11-24 23:55:44,478 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem70 could not be translated [2023-11-24 23:55:44,479 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem70 could not be translated [2023-11-24 23:55:44,480 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem71 could not be translated [2023-11-24 23:55:44,481 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem71 could not be translated [2023-11-24 23:55:44,482 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem73 could not be translated [2023-11-24 23:55:44,483 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem73 could not be translated [2023-11-24 23:55:44,484 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem74 could not be translated [2023-11-24 23:55:44,485 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem74 could not be translated [2023-11-24 23:55:44,485 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem76 could not be translated [2023-11-24 23:55:44,486 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem76 could not be translated [2023-11-24 23:55:44,490 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem77 could not be translated [2023-11-24 23:55:44,491 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem77 could not be translated [2023-11-24 23:55:44,535 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.11 11:55:44 BoogieIcfgContainer [2023-11-24 23:55:44,535 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-24 23:55:44,538 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-24 23:55:44,538 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-24 23:55:44,539 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-24 23:55:44,539 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:55:40" (3/4) ... [2023-11-24 23:55:44,545 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-24 23:55:44,547 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-24 23:55:44,549 INFO L158 Benchmark]: Toolchain (without parser) took 6465.75ms. Allocated memory was 153.1MB in the beginning and 239.1MB in the end (delta: 86.0MB). Free memory was 111.1MB in the beginning and 81.0MB in the end (delta: 30.1MB). Peak memory consumption was 117.5MB. Max. memory is 16.1GB. [2023-11-24 23:55:44,549 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 107.0MB. Free memory is still 54.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:55:44,552 INFO L158 Benchmark]: CACSL2BoogieTranslator took 476.59ms. Allocated memory is still 153.1MB. Free memory was 110.8MB in the beginning and 94.3MB in the end (delta: 16.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-24 23:55:44,553 INFO L158 Benchmark]: Boogie Procedure Inliner took 113.81ms. Allocated memory is still 153.1MB. Free memory was 94.3MB in the beginning and 89.1MB in the end (delta: 5.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-24 23:55:44,556 INFO L158 Benchmark]: Boogie Preprocessor took 116.29ms. Allocated memory is still 153.1MB. Free memory was 89.1MB in the beginning and 85.6MB in the end (delta: 3.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-24 23:55:44,561 INFO L158 Benchmark]: RCFGBuilder took 1822.37ms. Allocated memory is still 153.1MB. Free memory was 85.6MB in the beginning and 108.9MB in the end (delta: -23.3MB). Peak memory consumption was 46.0MB. Max. memory is 16.1GB. [2023-11-24 23:55:44,563 INFO L158 Benchmark]: TraceAbstraction took 3912.03ms. Allocated memory was 153.1MB in the beginning and 239.1MB in the end (delta: 86.0MB). Free memory was 107.8MB in the beginning and 81.0MB in the end (delta: 26.8MB). Peak memory consumption was 113.9MB. Max. memory is 16.1GB. [2023-11-24 23:55:44,565 INFO L158 Benchmark]: Witness Printer took 9.14ms. Allocated memory is still 239.1MB. Free memory was 81.0MB in the beginning and 81.0MB in the end (delta: 2.7kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:55:44,576 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 107.0MB. Free memory is still 54.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 476.59ms. Allocated memory is still 153.1MB. Free memory was 110.8MB in the beginning and 94.3MB in the end (delta: 16.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 113.81ms. Allocated memory is still 153.1MB. Free memory was 94.3MB in the beginning and 89.1MB in the end (delta: 5.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 116.29ms. Allocated memory is still 153.1MB. Free memory was 89.1MB in the beginning and 85.6MB in the end (delta: 3.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1822.37ms. Allocated memory is still 153.1MB. Free memory was 85.6MB in the beginning and 108.9MB in the end (delta: -23.3MB). Peak memory consumption was 46.0MB. Max. memory is 16.1GB. * TraceAbstraction took 3912.03ms. Allocated memory was 153.1MB in the beginning and 239.1MB in the end (delta: 86.0MB). Free memory was 107.8MB in the beginning and 81.0MB in the end (delta: 26.8MB). Peak memory consumption was 113.9MB. Max. memory is 16.1GB. * Witness Printer took 9.14ms. Allocated memory is still 239.1MB. Free memory was 81.0MB in the beginning and 81.0MB in the end (delta: 2.7kB). 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~mem45 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem45 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem46 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem46 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem52 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem49 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~mem51 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~mem49 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem48 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short53 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~short58 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem57 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short62 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short61 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~mem57 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short62 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem56 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~short58 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short61 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem64 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem64 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem65 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~mem68 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem68 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem70 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem70 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem71 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem71 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem73 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem73 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem74 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem74 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem76 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem76 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem77 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem77 could not be translated - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 48, overapproximation of bitwiseOr at line 40, overapproximation of someBinaryDOUBLEComparisonOperation at line 97, overapproximation of someBinaryArithmeticFLOAToperation at line 56. 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] = { 3.75, 255.5 }; [L28-L30] float float_Array_0[3] = { 255.5, 63.5, 128.75 }; [L31-L33] unsigned char unsigned_char_Array_0[2][2][2] = { {{2, 0}, {128, 10}}, {{25, 5}, {16, 32}} }; [L34] unsigned char last_1_unsigned_char_Array_0_0__0__0_ = 2; [L35] unsigned char last_1_unsigned_char_Array_0_0__0__1_ = 0; [L36] unsigned char last_1_unsigned_char_Array_0_1__1__1_ = 32; [L101] isInitial = 1 [L102] FCALL initially() [L103] COND TRUE 1 [L104] CALL updateLastVariables() [L92] EXPR unsigned_char_Array_0[0][0][0] [L92] last_1_unsigned_char_Array_0_0__0__0_ = unsigned_char_Array_0[0][0][0] [L93] EXPR unsigned_char_Array_0[0][0][1] [L93] last_1_unsigned_char_Array_0_0__0__1_ = unsigned_char_Array_0[0][0][1] [L94] EXPR unsigned_char_Array_0[1][1][1] [L94] last_1_unsigned_char_Array_0_1__1__1_ = unsigned_char_Array_0[1][1][1] [L104] RET updateLastVariables() [L105] CALL updateVariables() [L68] BOOL_unsigned_char_Array_0[0] = __VERIFIER_nondet_uchar() [L69] EXPR BOOL_unsigned_char_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_0__0__0_=2, last_1_unsigned_char_Array_0_0__0__1_=0, last_1_unsigned_char_Array_0_1__1__1_=32, unsigned_char_Array_0={7:0}] [L69] 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}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_0__0__0_=2, last_1_unsigned_char_Array_0_0__0__1_=0, last_1_unsigned_char_Array_0_1__1__1_=32, unsigned_char_Array_0={7:0}] [L20] COND FALSE !(!cond) [L69] 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}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_0__0__0_=2, last_1_unsigned_char_Array_0_0__0__1_=0, last_1_unsigned_char_Array_0_1__1__1_=32, unsigned_char_Array_0={7:0}] [L70] EXPR BOOL_unsigned_char_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_0__0__0_=2, last_1_unsigned_char_Array_0_0__0__1_=0, last_1_unsigned_char_Array_0_1__1__1_=32, unsigned_char_Array_0={7:0}] [L70] 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}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_0__0__0_=2, last_1_unsigned_char_Array_0_0__0__1_=0, last_1_unsigned_char_Array_0_1__1__1_=32, unsigned_char_Array_0={7:0}] [L20] COND FALSE !(!cond) [L70] 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}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_0__0__0_=2, last_1_unsigned_char_Array_0_0__0__1_=0, last_1_unsigned_char_Array_0_1__1__1_=32, unsigned_char_Array_0={7:0}] [L71] float_Array_0[0] = __VERIFIER_nondet_float() [L72] EXPR float_Array_0[0] [L72] EXPR float_Array_0[0] >= -922337.2036854765600e+13F && float_Array_0[0] <= -1.0e-20F [L72] EXPR float_Array_0[0] [L72] EXPR float_Array_0[0] >= -922337.2036854765600e+13F && float_Array_0[0] <= -1.0e-20F [L72] EXPR (float_Array_0[0] >= -922337.2036854765600e+13F && float_Array_0[0] <= -1.0e-20F) || (float_Array_0[0] <= 9223372.036854765600e+12F && float_Array_0[0] >= 1.0e-20F ) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_0__0__0_=2, last_1_unsigned_char_Array_0_0__0__1_=0, last_1_unsigned_char_Array_0_1__1__1_=32, unsigned_char_Array_0={7:0}] [L72] CALL assume_abort_if_not((float_Array_0[0] >= -922337.2036854765600e+13F && float_Array_0[0] <= -1.0e-20F) || (float_Array_0[0] <= 9223372.036854765600e+12F && float_Array_0[0] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_0__0__0_=2, last_1_unsigned_char_Array_0_0__0__1_=0, last_1_unsigned_char_Array_0_1__1__1_=32, unsigned_char_Array_0={7:0}] [L20] COND FALSE !(!cond) [L72] RET assume_abort_if_not((float_Array_0[0] >= -922337.2036854765600e+13F && float_Array_0[0] <= -1.0e-20F) || (float_Array_0[0] <= 9223372.036854765600e+12F && float_Array_0[0] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_0__0__0_=2, last_1_unsigned_char_Array_0_0__0__1_=0, last_1_unsigned_char_Array_0_1__1__1_=32, unsigned_char_Array_0={7:0}] [L73] float_Array_0[1] = __VERIFIER_nondet_float() [L74] EXPR float_Array_0[1] [L74] EXPR float_Array_0[1] >= -922337.2036854765600e+13F && float_Array_0[1] <= -1.0e-20F [L74] EXPR float_Array_0[1] [L74] EXPR float_Array_0[1] >= -922337.2036854765600e+13F && float_Array_0[1] <= -1.0e-20F [L74] EXPR (float_Array_0[1] >= -922337.2036854765600e+13F && float_Array_0[1] <= -1.0e-20F) || (float_Array_0[1] <= 9223372.036854765600e+12F && float_Array_0[1] >= 1.0e-20F ) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_0__0__0_=2, last_1_unsigned_char_Array_0_0__0__1_=0, last_1_unsigned_char_Array_0_1__1__1_=32, unsigned_char_Array_0={7:0}] [L74] CALL assume_abort_if_not((float_Array_0[1] >= -922337.2036854765600e+13F && float_Array_0[1] <= -1.0e-20F) || (float_Array_0[1] <= 9223372.036854765600e+12F && float_Array_0[1] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_0__0__0_=2, last_1_unsigned_char_Array_0_0__0__1_=0, last_1_unsigned_char_Array_0_1__1__1_=32, unsigned_char_Array_0={7:0}] [L20] COND FALSE !(!cond) [L74] RET assume_abort_if_not((float_Array_0[1] >= -922337.2036854765600e+13F && float_Array_0[1] <= -1.0e-20F) || (float_Array_0[1] <= 9223372.036854765600e+12F && float_Array_0[1] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_0__0__0_=2, last_1_unsigned_char_Array_0_0__0__1_=0, last_1_unsigned_char_Array_0_1__1__1_=32, unsigned_char_Array_0={7:0}] [L75] unsigned_char_Array_0[1][0][0] = __VERIFIER_nondet_uchar() [L76] EXPR unsigned_char_Array_0[1][0][0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_0__0__0_=2, last_1_unsigned_char_Array_0_0__0__1_=0, last_1_unsigned_char_Array_0_1__1__1_=32, unsigned_char_Array_0={7:0}] [L76] CALL assume_abort_if_not(unsigned_char_Array_0[1][0][0] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_0__0__0_=2, last_1_unsigned_char_Array_0_0__0__1_=0, last_1_unsigned_char_Array_0_1__1__1_=32, unsigned_char_Array_0={7:0}] [L20] COND FALSE !(!cond) [L76] RET assume_abort_if_not(unsigned_char_Array_0[1][0][0] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_0__0__0_=2, last_1_unsigned_char_Array_0_0__0__1_=0, last_1_unsigned_char_Array_0_1__1__1_=32, unsigned_char_Array_0={7:0}] [L77] EXPR unsigned_char_Array_0[1][0][0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_0__0__0_=2, last_1_unsigned_char_Array_0_0__0__1_=0, last_1_unsigned_char_Array_0_1__1__1_=32, unsigned_char_Array_0={7:0}] [L77] CALL assume_abort_if_not(unsigned_char_Array_0[1][0][0] <= 254) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_0__0__0_=2, last_1_unsigned_char_Array_0_0__0__1_=0, last_1_unsigned_char_Array_0_1__1__1_=32, unsigned_char_Array_0={7:0}] [L20] COND FALSE !(!cond) [L77] RET assume_abort_if_not(unsigned_char_Array_0[1][0][0] <= 254) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_0__0__0_=2, last_1_unsigned_char_Array_0_0__0__1_=0, last_1_unsigned_char_Array_0_1__1__1_=32, unsigned_char_Array_0={7:0}] [L78] unsigned_char_Array_0[0][1][0] = __VERIFIER_nondet_uchar() [L79] EXPR unsigned_char_Array_0[0][1][0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_0__0__0_=2, last_1_unsigned_char_Array_0_0__0__1_=0, last_1_unsigned_char_Array_0_1__1__1_=32, unsigned_char_Array_0={7:0}] [L79] CALL assume_abort_if_not(unsigned_char_Array_0[0][1][0] >= 127) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_0__0__0_=2, last_1_unsigned_char_Array_0_0__0__1_=0, last_1_unsigned_char_Array_0_1__1__1_=32, unsigned_char_Array_0={7:0}] [L20] COND FALSE !(!cond) [L79] RET assume_abort_if_not(unsigned_char_Array_0[0][1][0] >= 127) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_0__0__0_=2, last_1_unsigned_char_Array_0_0__0__1_=0, last_1_unsigned_char_Array_0_1__1__1_=32, unsigned_char_Array_0={7:0}] [L80] EXPR unsigned_char_Array_0[0][1][0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_0__0__0_=2, last_1_unsigned_char_Array_0_0__0__1_=0, last_1_unsigned_char_Array_0_1__1__1_=32, unsigned_char_Array_0={7:0}] [L80] CALL assume_abort_if_not(unsigned_char_Array_0[0][1][0] <= 254) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_0__0__0_=2, last_1_unsigned_char_Array_0_0__0__1_=0, last_1_unsigned_char_Array_0_1__1__1_=32, unsigned_char_Array_0={7:0}] [L20] COND FALSE !(!cond) [L80] RET assume_abort_if_not(unsigned_char_Array_0[0][1][0] <= 254) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_0__0__0_=2, last_1_unsigned_char_Array_0_0__0__1_=0, last_1_unsigned_char_Array_0_1__1__1_=32, unsigned_char_Array_0={7:0}] [L81] unsigned_char_Array_0[1][1][0] = __VERIFIER_nondet_uchar() [L82] EXPR unsigned_char_Array_0[1][1][0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_0__0__0_=2, last_1_unsigned_char_Array_0_0__0__1_=0, last_1_unsigned_char_Array_0_1__1__1_=32, unsigned_char_Array_0={7:0}] [L82] CALL assume_abort_if_not(unsigned_char_Array_0[1][1][0] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_0__0__0_=2, last_1_unsigned_char_Array_0_0__0__1_=0, last_1_unsigned_char_Array_0_1__1__1_=32, unsigned_char_Array_0={7:0}] [L20] COND FALSE !(!cond) [L82] RET assume_abort_if_not(unsigned_char_Array_0[1][1][0] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_0__0__0_=2, last_1_unsigned_char_Array_0_0__0__1_=0, last_1_unsigned_char_Array_0_1__1__1_=32, unsigned_char_Array_0={7:0}] [L83] EXPR unsigned_char_Array_0[1][1][0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_0__0__0_=2, last_1_unsigned_char_Array_0_0__0__1_=0, last_1_unsigned_char_Array_0_1__1__1_=32, unsigned_char_Array_0={7:0}] [L83] CALL assume_abort_if_not(unsigned_char_Array_0[1][1][0] <= 127) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_0__0__0_=2, last_1_unsigned_char_Array_0_0__0__1_=0, last_1_unsigned_char_Array_0_1__1__1_=32, unsigned_char_Array_0={7:0}] [L20] COND FALSE !(!cond) [L83] RET assume_abort_if_not(unsigned_char_Array_0[1][1][0] <= 127) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_0__0__0_=2, last_1_unsigned_char_Array_0_0__0__1_=0, last_1_unsigned_char_Array_0_1__1__1_=32, unsigned_char_Array_0={7:0}] [L84] unsigned_char_Array_0[1][0][1] = __VERIFIER_nondet_uchar() [L85] EXPR unsigned_char_Array_0[1][0][1] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_0__0__0_=2, last_1_unsigned_char_Array_0_0__0__1_=0, last_1_unsigned_char_Array_0_1__1__1_=32, unsigned_char_Array_0={7:0}] [L85] CALL assume_abort_if_not(unsigned_char_Array_0[1][0][1] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_0__0__0_=2, last_1_unsigned_char_Array_0_0__0__1_=0, last_1_unsigned_char_Array_0_1__1__1_=32, unsigned_char_Array_0={7:0}] [L20] COND FALSE !(!cond) [L85] RET assume_abort_if_not(unsigned_char_Array_0[1][0][1] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_0__0__0_=2, last_1_unsigned_char_Array_0_0__0__1_=0, last_1_unsigned_char_Array_0_1__1__1_=32, unsigned_char_Array_0={7:0}] [L86] EXPR unsigned_char_Array_0[1][0][1] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_0__0__0_=2, last_1_unsigned_char_Array_0_0__0__1_=0, last_1_unsigned_char_Array_0_1__1__1_=32, unsigned_char_Array_0={7:0}] [L86] CALL assume_abort_if_not(unsigned_char_Array_0[1][0][1] <= 254) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_0__0__0_=2, last_1_unsigned_char_Array_0_0__0__1_=0, last_1_unsigned_char_Array_0_1__1__1_=32, unsigned_char_Array_0={7:0}] [L20] COND FALSE !(!cond) [L86] RET assume_abort_if_not(unsigned_char_Array_0[1][0][1] <= 254) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_0__0__0_=2, last_1_unsigned_char_Array_0_0__0__1_=0, last_1_unsigned_char_Array_0_1__1__1_=32, unsigned_char_Array_0={7:0}] [L87] unsigned_char_Array_0[0][1][1] = __VERIFIER_nondet_uchar() [L88] EXPR unsigned_char_Array_0[0][1][1] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_0__0__0_=2, last_1_unsigned_char_Array_0_0__0__1_=0, last_1_unsigned_char_Array_0_1__1__1_=32, unsigned_char_Array_0={7:0}] [L88] CALL assume_abort_if_not(unsigned_char_Array_0[0][1][1] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_0__0__0_=2, last_1_unsigned_char_Array_0_0__0__1_=0, last_1_unsigned_char_Array_0_1__1__1_=32, unsigned_char_Array_0={7:0}] [L20] COND FALSE !(!cond) [L88] RET assume_abort_if_not(unsigned_char_Array_0[0][1][1] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_0__0__0_=2, last_1_unsigned_char_Array_0_0__0__1_=0, last_1_unsigned_char_Array_0_1__1__1_=32, unsigned_char_Array_0={7:0}] [L89] EXPR unsigned_char_Array_0[0][1][1] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_0__0__0_=2, last_1_unsigned_char_Array_0_0__0__1_=0, last_1_unsigned_char_Array_0_1__1__1_=32, unsigned_char_Array_0={7:0}] [L89] CALL assume_abort_if_not(unsigned_char_Array_0[0][1][1] <= 127) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_0__0__0_=2, last_1_unsigned_char_Array_0_0__0__1_=0, last_1_unsigned_char_Array_0_1__1__1_=32, unsigned_char_Array_0={7:0}] [L20] COND FALSE !(!cond) [L89] RET assume_abort_if_not(unsigned_char_Array_0[0][1][1] <= 127) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_0__0__0_=2, last_1_unsigned_char_Array_0_0__0__1_=0, last_1_unsigned_char_Array_0_1__1__1_=32, unsigned_char_Array_0={7:0}] [L105] RET updateVariables() [L106] CALL step() [L40] EXPR last_1_unsigned_char_Array_0_0__0__1_ | last_1_unsigned_char_Array_0_0__0__0_ [L40] signed long int stepLocal_0 = last_1_unsigned_char_Array_0_0__0__1_ | last_1_unsigned_char_Array_0_0__0__0_; [L41] COND FALSE !((last_1_unsigned_char_Array_0_1__1__1_ / -2) >= stepLocal_0) [L44] EXPR unsigned_char_Array_0[0][1][0] [L44] EXPR unsigned_char_Array_0[1][1][0] [L44] EXPR ((unsigned_char_Array_0[1][1][0]) < 0 ) ? -(unsigned_char_Array_0[1][1][0]) : (unsigned_char_Array_0[1][1][0]) [L44] EXPR unsigned_char_Array_0[1][1][0] [L44] EXPR ((unsigned_char_Array_0[1][1][0]) < 0 ) ? -(unsigned_char_Array_0[1][1][0]) : (unsigned_char_Array_0[1][1][0]) [L44] unsigned_char_Array_0[1][1][1] = (unsigned_char_Array_0[0][1][0] - ((((unsigned_char_Array_0[1][1][0]) < 0 ) ? -(unsigned_char_Array_0[1][1][0]) : (unsigned_char_Array_0[1][1][0])))) [L46] EXPR BOOL_unsigned_char_Array_0[0] [L46] COND TRUE ! BOOL_unsigned_char_Array_0[0] [L47] BOOL_unsigned_char_Array_0[0] [L47] COND FALSE !(BOOL_unsigned_char_Array_0[0]) [L51] EXPR float_Array_0[0] [L51] double_Array_0[0] = float_Array_0[0] [L52] EXPR unsigned_char_Array_0[1][0][0] [L52] unsigned_char_Array_0[0][0][1] = unsigned_char_Array_0[1][0][0] [L53] EXPR float_Array_0[1] [L53] double_Array_0[1] = float_Array_0[1] [L54] EXPR unsigned_char_Array_0[1][0][0] [L54] unsigned char stepLocal_1 = unsigned_char_Array_0[1][0][0]; [L55] EXPR unsigned_char_Array_0[1][1][1] [L55] EXPR unsigned_char_Array_0[1][1][0] [L55] COND TRUE (unsigned_char_Array_0[1][1][1] + unsigned_char_Array_0[1][1][0]) >= stepLocal_1 [L56] EXPR float_Array_0[0] [L56] EXPR float_Array_0[2] [L56] EXPR float_Array_0[1] [L56] EXPR ((float_Array_0[0]) > ((float_Array_0[2] * float_Array_0[1]))) ? (float_Array_0[0]) : ((float_Array_0[2] * float_Array_0[1])) [L56] EXPR float_Array_0[2] [L56] EXPR float_Array_0[1] [L56] EXPR ((float_Array_0[0]) > ((float_Array_0[2] * float_Array_0[1]))) ? (float_Array_0[0]) : ((float_Array_0[2] * float_Array_0[1])) [L56] EXPR float_Array_0[2] [L56] COND FALSE !(((((float_Array_0[0]) > ((float_Array_0[2] * float_Array_0[1]))) ? (float_Array_0[0]) : ((float_Array_0[2] * float_Array_0[1])))) <= float_Array_0[2]) [L59] BOOL_unsigned_char_Array_0[0] [L59] COND FALSE !(BOOL_unsigned_char_Array_0[0]) [L106] RET step() [L107] CALL, EXPR property() [L97] EXPR BOOL_unsigned_char_Array_0[0] [L97] EXPR (! BOOL_unsigned_char_Array_0[0]) ? (BOOL_unsigned_char_Array_0[0] ? (float_Array_0[2] == ((float) ((((float_Array_0[1]) > (float_Array_0[0])) ? (float_Array_0[1]) : (float_Array_0[0]))))) : 1) : 1 [L97] EXPR BOOL_unsigned_char_Array_0[0] [L97] EXPR BOOL_unsigned_char_Array_0[0] ? (float_Array_0[2] == ((float) ((((float_Array_0[1]) > (float_Array_0[0])) ? (float_Array_0[1]) : (float_Array_0[0]))))) : 1 [L97] EXPR (! BOOL_unsigned_char_Array_0[0]) ? (BOOL_unsigned_char_Array_0[0] ? (float_Array_0[2] == ((float) ((((float_Array_0[1]) > (float_Array_0[0])) ? (float_Array_0[1]) : (float_Array_0[0]))))) : 1) : 1 [L97] EXPR ((! BOOL_unsigned_char_Array_0[0]) ? (BOOL_unsigned_char_Array_0[0] ? (float_Array_0[2] == ((float) ((((float_Array_0[1]) > (float_Array_0[0])) ? (float_Array_0[1]) : (float_Array_0[0]))))) : 1) : 1) && (((last_1_unsigned_char_Array_0_1__1__1_ / -2) >= (last_1_unsigned_char_Array_0_0__0__1_ | last_1_unsigned_char_Array_0_0__0__0_)) ? (unsigned_char_Array_0[1][1][1] == ((unsigned char) ((((unsigned_char_Array_0[1][0][0]) < 0 ) ? -(unsigned_char_Array_0[1][0][0]) : (unsigned_char_Array_0[1][0][0]))))) : (unsigned_char_Array_0[1][1][1] == ((unsigned char) (unsigned_char_Array_0[0][1][0] - ((((unsigned_char_Array_0[1][1][0]) < 0 ) ? -(unsigned_char_Array_0[1][1][0]) : (unsigned_char_Array_0[1][1][0]))))))) [L97] EXPR last_1_unsigned_char_Array_0_0__0__1_ | last_1_unsigned_char_Array_0_0__0__0_ [L97] EXPR ((last_1_unsigned_char_Array_0_1__1__1_ / -2) >= (last_1_unsigned_char_Array_0_0__0__1_ | last_1_unsigned_char_Array_0_0__0__0_)) ? (unsigned_char_Array_0[1][1][1] == ((unsigned char) ((((unsigned_char_Array_0[1][0][0]) < 0 ) ? -(unsigned_char_Array_0[1][0][0]) : (unsigned_char_Array_0[1][0][0]))))) : (unsigned_char_Array_0[1][1][1] == ((unsigned char) (unsigned_char_Array_0[0][1][0] - ((((unsigned_char_Array_0[1][1][0]) < 0 ) ? -(unsigned_char_Array_0[1][1][0]) : (unsigned_char_Array_0[1][1][0])))))) [L97] EXPR unsigned_char_Array_0[1][1][1] [L97] EXPR unsigned_char_Array_0[0][1][0] [L97] EXPR unsigned_char_Array_0[1][1][0] [L97] EXPR ((unsigned_char_Array_0[1][1][0]) < 0 ) ? -(unsigned_char_Array_0[1][1][0]) : (unsigned_char_Array_0[1][1][0]) [L97] EXPR unsigned_char_Array_0[1][1][0] [L97] EXPR ((unsigned_char_Array_0[1][1][0]) < 0 ) ? -(unsigned_char_Array_0[1][1][0]) : (unsigned_char_Array_0[1][1][0]) [L97] EXPR ((last_1_unsigned_char_Array_0_1__1__1_ / -2) >= (last_1_unsigned_char_Array_0_0__0__1_ | last_1_unsigned_char_Array_0_0__0__0_)) ? (unsigned_char_Array_0[1][1][1] == ((unsigned char) ((((unsigned_char_Array_0[1][0][0]) < 0 ) ? -(unsigned_char_Array_0[1][0][0]) : (unsigned_char_Array_0[1][0][0]))))) : (unsigned_char_Array_0[1][1][1] == ((unsigned char) (unsigned_char_Array_0[0][1][0] - ((((unsigned_char_Array_0[1][1][0]) < 0 ) ? -(unsigned_char_Array_0[1][1][0]) : (unsigned_char_Array_0[1][1][0])))))) [L97] EXPR ((! BOOL_unsigned_char_Array_0[0]) ? (BOOL_unsigned_char_Array_0[0] ? (float_Array_0[2] == ((float) ((((float_Array_0[1]) > (float_Array_0[0])) ? (float_Array_0[1]) : (float_Array_0[0]))))) : 1) : 1) && (((last_1_unsigned_char_Array_0_1__1__1_ / -2) >= (last_1_unsigned_char_Array_0_0__0__1_ | last_1_unsigned_char_Array_0_0__0__0_)) ? (unsigned_char_Array_0[1][1][1] == ((unsigned char) ((((unsigned_char_Array_0[1][0][0]) < 0 ) ? -(unsigned_char_Array_0[1][0][0]) : (unsigned_char_Array_0[1][0][0]))))) : (unsigned_char_Array_0[1][1][1] == ((unsigned char) (unsigned_char_Array_0[0][1][0] - ((((unsigned_char_Array_0[1][1][0]) < 0 ) ? -(unsigned_char_Array_0[1][1][0]) : (unsigned_char_Array_0[1][1][0]))))))) [L97] EXPR (((! BOOL_unsigned_char_Array_0[0]) ? (BOOL_unsigned_char_Array_0[0] ? (float_Array_0[2] == ((float) ((((float_Array_0[1]) > (float_Array_0[0])) ? (float_Array_0[1]) : (float_Array_0[0]))))) : 1) : 1) && (((last_1_unsigned_char_Array_0_1__1__1_ / -2) >= (last_1_unsigned_char_Array_0_0__0__1_ | last_1_unsigned_char_Array_0_0__0__0_)) ? (unsigned_char_Array_0[1][1][1] == ((unsigned char) ((((unsigned_char_Array_0[1][0][0]) < 0 ) ? -(unsigned_char_Array_0[1][0][0]) : (unsigned_char_Array_0[1][0][0]))))) : (unsigned_char_Array_0[1][1][1] == ((unsigned char) (unsigned_char_Array_0[0][1][0] - ((((unsigned_char_Array_0[1][1][0]) < 0 ) ? -(unsigned_char_Array_0[1][1][0]) : (unsigned_char_Array_0[1][1][0])))))))) && (((unsigned_char_Array_0[1][1][1] + unsigned_char_Array_0[1][1][0]) >= unsigned_char_Array_0[1][0][0]) ? ((((((float_Array_0[0]) > ((float_Array_0[2] * float_Array_0[1]))) ? (float_Array_0[0]) : ((float_Array_0[2] * float_Array_0[1])))) <= float_Array_0[2]) ? (unsigned_char_Array_0[0][0][0] == ((unsigned char) ((((unsigned_char_Array_0[1][1][0]) > (unsigned_char_Array_0[1][0][1])) ? (unsigned_char_Array_0[1][1][0]) : (unsigned_char_Array_0[1][0][1]))))) : (BOOL_unsigned_char_Array_0[0] ? (unsigned_char_Array_0[0][0][0] == ((unsigned char) (unsigned_char_Array_0[1][1][0] + unsigned_char_Array_0[0][1][1]))) : 1)) : (unsigned_char_Array_0[0][0][0] == ((unsigned char) unsigned_char_Array_0[1][0][0]))) [L97] EXPR unsigned_char_Array_0[1][1][1] [L97] EXPR unsigned_char_Array_0[1][1][0] [L97] EXPR unsigned_char_Array_0[1][0][0] [L97] EXPR ((unsigned_char_Array_0[1][1][1] + unsigned_char_Array_0[1][1][0]) >= unsigned_char_Array_0[1][0][0]) ? ((((((float_Array_0[0]) > ((float_Array_0[2] * float_Array_0[1]))) ? (float_Array_0[0]) : ((float_Array_0[2] * float_Array_0[1])))) <= float_Array_0[2]) ? (unsigned_char_Array_0[0][0][0] == ((unsigned char) ((((unsigned_char_Array_0[1][1][0]) > (unsigned_char_Array_0[1][0][1])) ? (unsigned_char_Array_0[1][1][0]) : (unsigned_char_Array_0[1][0][1]))))) : (BOOL_unsigned_char_Array_0[0] ? (unsigned_char_Array_0[0][0][0] == ((unsigned char) (unsigned_char_Array_0[1][1][0] + unsigned_char_Array_0[0][1][1]))) : 1)) : (unsigned_char_Array_0[0][0][0] == ((unsigned char) unsigned_char_Array_0[1][0][0])) [L97] EXPR float_Array_0[0] [L97] EXPR float_Array_0[2] [L97] EXPR float_Array_0[1] [L97] EXPR ((float_Array_0[0]) > ((float_Array_0[2] * float_Array_0[1]))) ? (float_Array_0[0]) : ((float_Array_0[2] * float_Array_0[1])) [L97] EXPR float_Array_0[0] [L97] EXPR ((float_Array_0[0]) > ((float_Array_0[2] * float_Array_0[1]))) ? (float_Array_0[0]) : ((float_Array_0[2] * float_Array_0[1])) [L97] EXPR float_Array_0[2] [L97] EXPR (((((float_Array_0[0]) > ((float_Array_0[2] * float_Array_0[1]))) ? (float_Array_0[0]) : ((float_Array_0[2] * float_Array_0[1])))) <= float_Array_0[2]) ? (unsigned_char_Array_0[0][0][0] == ((unsigned char) ((((unsigned_char_Array_0[1][1][0]) > (unsigned_char_Array_0[1][0][1])) ? (unsigned_char_Array_0[1][1][0]) : (unsigned_char_Array_0[1][0][1]))))) : (BOOL_unsigned_char_Array_0[0] ? (unsigned_char_Array_0[0][0][0] == ((unsigned char) (unsigned_char_Array_0[1][1][0] + unsigned_char_Array_0[0][1][1]))) : 1) [L97] EXPR unsigned_char_Array_0[0][0][0] [L97] EXPR unsigned_char_Array_0[1][1][0] [L97] EXPR unsigned_char_Array_0[1][0][1] [L97] EXPR ((unsigned_char_Array_0[1][1][0]) > (unsigned_char_Array_0[1][0][1])) ? (unsigned_char_Array_0[1][1][0]) : (unsigned_char_Array_0[1][0][1]) [L97] EXPR unsigned_char_Array_0[1][0][1] [L97] EXPR ((unsigned_char_Array_0[1][1][0]) > (unsigned_char_Array_0[1][0][1])) ? (unsigned_char_Array_0[1][1][0]) : (unsigned_char_Array_0[1][0][1]) [L97] EXPR (((((float_Array_0[0]) > ((float_Array_0[2] * float_Array_0[1]))) ? (float_Array_0[0]) : ((float_Array_0[2] * float_Array_0[1])))) <= float_Array_0[2]) ? (unsigned_char_Array_0[0][0][0] == ((unsigned char) ((((unsigned_char_Array_0[1][1][0]) > (unsigned_char_Array_0[1][0][1])) ? (unsigned_char_Array_0[1][1][0]) : (unsigned_char_Array_0[1][0][1]))))) : (BOOL_unsigned_char_Array_0[0] ? (unsigned_char_Array_0[0][0][0] == ((unsigned char) (unsigned_char_Array_0[1][1][0] + unsigned_char_Array_0[0][1][1]))) : 1) [L97] EXPR ((unsigned_char_Array_0[1][1][1] + unsigned_char_Array_0[1][1][0]) >= unsigned_char_Array_0[1][0][0]) ? ((((((float_Array_0[0]) > ((float_Array_0[2] * float_Array_0[1]))) ? (float_Array_0[0]) : ((float_Array_0[2] * float_Array_0[1])))) <= float_Array_0[2]) ? (unsigned_char_Array_0[0][0][0] == ((unsigned char) ((((unsigned_char_Array_0[1][1][0]) > (unsigned_char_Array_0[1][0][1])) ? (unsigned_char_Array_0[1][1][0]) : (unsigned_char_Array_0[1][0][1]))))) : (BOOL_unsigned_char_Array_0[0] ? (unsigned_char_Array_0[0][0][0] == ((unsigned char) (unsigned_char_Array_0[1][1][0] + unsigned_char_Array_0[0][1][1]))) : 1)) : (unsigned_char_Array_0[0][0][0] == ((unsigned char) unsigned_char_Array_0[1][0][0])) [L97] EXPR (((! BOOL_unsigned_char_Array_0[0]) ? (BOOL_unsigned_char_Array_0[0] ? (float_Array_0[2] == ((float) ((((float_Array_0[1]) > (float_Array_0[0])) ? (float_Array_0[1]) : (float_Array_0[0]))))) : 1) : 1) && (((last_1_unsigned_char_Array_0_1__1__1_ / -2) >= (last_1_unsigned_char_Array_0_0__0__1_ | last_1_unsigned_char_Array_0_0__0__0_)) ? (unsigned_char_Array_0[1][1][1] == ((unsigned char) ((((unsigned_char_Array_0[1][0][0]) < 0 ) ? -(unsigned_char_Array_0[1][0][0]) : (unsigned_char_Array_0[1][0][0]))))) : (unsigned_char_Array_0[1][1][1] == ((unsigned char) (unsigned_char_Array_0[0][1][0] - ((((unsigned_char_Array_0[1][1][0]) < 0 ) ? -(unsigned_char_Array_0[1][1][0]) : (unsigned_char_Array_0[1][1][0])))))))) && (((unsigned_char_Array_0[1][1][1] + unsigned_char_Array_0[1][1][0]) >= unsigned_char_Array_0[1][0][0]) ? ((((((float_Array_0[0]) > ((float_Array_0[2] * float_Array_0[1]))) ? (float_Array_0[0]) : ((float_Array_0[2] * float_Array_0[1])))) <= float_Array_0[2]) ? (unsigned_char_Array_0[0][0][0] == ((unsigned char) ((((unsigned_char_Array_0[1][1][0]) > (unsigned_char_Array_0[1][0][1])) ? (unsigned_char_Array_0[1][1][0]) : (unsigned_char_Array_0[1][0][1]))))) : (BOOL_unsigned_char_Array_0[0] ? (unsigned_char_Array_0[0][0][0] == ((unsigned char) (unsigned_char_Array_0[1][1][0] + unsigned_char_Array_0[0][1][1]))) : 1)) : (unsigned_char_Array_0[0][0][0] == ((unsigned char) unsigned_char_Array_0[1][0][0]))) [L97] EXPR ((((! BOOL_unsigned_char_Array_0[0]) ? (BOOL_unsigned_char_Array_0[0] ? (float_Array_0[2] == ((float) ((((float_Array_0[1]) > (float_Array_0[0])) ? (float_Array_0[1]) : (float_Array_0[0]))))) : 1) : 1) && (((last_1_unsigned_char_Array_0_1__1__1_ / -2) >= (last_1_unsigned_char_Array_0_0__0__1_ | last_1_unsigned_char_Array_0_0__0__0_)) ? (unsigned_char_Array_0[1][1][1] == ((unsigned char) ((((unsigned_char_Array_0[1][0][0]) < 0 ) ? -(unsigned_char_Array_0[1][0][0]) : (unsigned_char_Array_0[1][0][0]))))) : (unsigned_char_Array_0[1][1][1] == ((unsigned char) (unsigned_char_Array_0[0][1][0] - ((((unsigned_char_Array_0[1][1][0]) < 0 ) ? -(unsigned_char_Array_0[1][1][0]) : (unsigned_char_Array_0[1][1][0])))))))) && (((unsigned_char_Array_0[1][1][1] + unsigned_char_Array_0[1][1][0]) >= unsigned_char_Array_0[1][0][0]) ? ((((((float_Array_0[0]) > ((float_Array_0[2] * float_Array_0[1]))) ? (float_Array_0[0]) : ((float_Array_0[2] * float_Array_0[1])))) <= float_Array_0[2]) ? (unsigned_char_Array_0[0][0][0] == ((unsigned char) ((((unsigned_char_Array_0[1][1][0]) > (unsigned_char_Array_0[1][0][1])) ? (unsigned_char_Array_0[1][1][0]) : (unsigned_char_Array_0[1][0][1]))))) : (BOOL_unsigned_char_Array_0[0] ? (unsigned_char_Array_0[0][0][0] == ((unsigned char) (unsigned_char_Array_0[1][1][0] + unsigned_char_Array_0[0][1][1]))) : 1)) : (unsigned_char_Array_0[0][0][0] == ((unsigned char) unsigned_char_Array_0[1][0][0])))) && (double_Array_0[0] == ((double) float_Array_0[0])) [L97] EXPR (((((! BOOL_unsigned_char_Array_0[0]) ? (BOOL_unsigned_char_Array_0[0] ? (float_Array_0[2] == ((float) ((((float_Array_0[1]) > (float_Array_0[0])) ? (float_Array_0[1]) : (float_Array_0[0]))))) : 1) : 1) && (((last_1_unsigned_char_Array_0_1__1__1_ / -2) >= (last_1_unsigned_char_Array_0_0__0__1_ | last_1_unsigned_char_Array_0_0__0__0_)) ? (unsigned_char_Array_0[1][1][1] == ((unsigned char) ((((unsigned_char_Array_0[1][0][0]) < 0 ) ? -(unsigned_char_Array_0[1][0][0]) : (unsigned_char_Array_0[1][0][0]))))) : (unsigned_char_Array_0[1][1][1] == ((unsigned char) (unsigned_char_Array_0[0][1][0] - ((((unsigned_char_Array_0[1][1][0]) < 0 ) ? -(unsigned_char_Array_0[1][1][0]) : (unsigned_char_Array_0[1][1][0])))))))) && (((unsigned_char_Array_0[1][1][1] + unsigned_char_Array_0[1][1][0]) >= unsigned_char_Array_0[1][0][0]) ? ((((((float_Array_0[0]) > ((float_Array_0[2] * float_Array_0[1]))) ? (float_Array_0[0]) : ((float_Array_0[2] * float_Array_0[1])))) <= float_Array_0[2]) ? (unsigned_char_Array_0[0][0][0] == ((unsigned char) ((((unsigned_char_Array_0[1][1][0]) > (unsigned_char_Array_0[1][0][1])) ? (unsigned_char_Array_0[1][1][0]) : (unsigned_char_Array_0[1][0][1]))))) : (BOOL_unsigned_char_Array_0[0] ? (unsigned_char_Array_0[0][0][0] == ((unsigned char) (unsigned_char_Array_0[1][1][0] + unsigned_char_Array_0[0][1][1]))) : 1)) : (unsigned_char_Array_0[0][0][0] == ((unsigned char) unsigned_char_Array_0[1][0][0])))) && (double_Array_0[0] == ((double) float_Array_0[0]))) && (unsigned_char_Array_0[0][0][1] == ((unsigned char) unsigned_char_Array_0[1][0][0])) [L97] EXPR ((((((! BOOL_unsigned_char_Array_0[0]) ? (BOOL_unsigned_char_Array_0[0] ? (float_Array_0[2] == ((float) ((((float_Array_0[1]) > (float_Array_0[0])) ? (float_Array_0[1]) : (float_Array_0[0]))))) : 1) : 1) && (((last_1_unsigned_char_Array_0_1__1__1_ / -2) >= (last_1_unsigned_char_Array_0_0__0__1_ | last_1_unsigned_char_Array_0_0__0__0_)) ? (unsigned_char_Array_0[1][1][1] == ((unsigned char) ((((unsigned_char_Array_0[1][0][0]) < 0 ) ? -(unsigned_char_Array_0[1][0][0]) : (unsigned_char_Array_0[1][0][0]))))) : (unsigned_char_Array_0[1][1][1] == ((unsigned char) (unsigned_char_Array_0[0][1][0] - ((((unsigned_char_Array_0[1][1][0]) < 0 ) ? -(unsigned_char_Array_0[1][1][0]) : (unsigned_char_Array_0[1][1][0])))))))) && (((unsigned_char_Array_0[1][1][1] + unsigned_char_Array_0[1][1][0]) >= unsigned_char_Array_0[1][0][0]) ? ((((((float_Array_0[0]) > ((float_Array_0[2] * float_Array_0[1]))) ? (float_Array_0[0]) : ((float_Array_0[2] * float_Array_0[1])))) <= float_Array_0[2]) ? (unsigned_char_Array_0[0][0][0] == ((unsigned char) ((((unsigned_char_Array_0[1][1][0]) > (unsigned_char_Array_0[1][0][1])) ? (unsigned_char_Array_0[1][1][0]) : (unsigned_char_Array_0[1][0][1]))))) : (BOOL_unsigned_char_Array_0[0] ? (unsigned_char_Array_0[0][0][0] == ((unsigned char) (unsigned_char_Array_0[1][1][0] + unsigned_char_Array_0[0][1][1]))) : 1)) : (unsigned_char_Array_0[0][0][0] == ((unsigned char) unsigned_char_Array_0[1][0][0])))) && (double_Array_0[0] == ((double) float_Array_0[0]))) && (unsigned_char_Array_0[0][0][1] == ((unsigned char) unsigned_char_Array_0[1][0][0]))) && (double_Array_0[1] == ((double) float_Array_0[1])) [L97-L98] return ((((((! BOOL_unsigned_char_Array_0[0]) ? (BOOL_unsigned_char_Array_0[0] ? (float_Array_0[2] == ((float) ((((float_Array_0[1]) > (float_Array_0[0])) ? (float_Array_0[1]) : (float_Array_0[0]))))) : 1) : 1) && (((last_1_unsigned_char_Array_0_1__1__1_ / -2) >= (last_1_unsigned_char_Array_0_0__0__1_ | last_1_unsigned_char_Array_0_0__0__0_)) ? (unsigned_char_Array_0[1][1][1] == ((unsigned char) ((((unsigned_char_Array_0[1][0][0]) < 0 ) ? -(unsigned_char_Array_0[1][0][0]) : (unsigned_char_Array_0[1][0][0]))))) : (unsigned_char_Array_0[1][1][1] == ((unsigned char) (unsigned_char_Array_0[0][1][0] - ((((unsigned_char_Array_0[1][1][0]) < 0 ) ? -(unsigned_char_Array_0[1][1][0]) : (unsigned_char_Array_0[1][1][0])))))))) && (((unsigned_char_Array_0[1][1][1] + unsigned_char_Array_0[1][1][0]) >= unsigned_char_Array_0[1][0][0]) ? ((((((float_Array_0[0]) > ((float_Array_0[2] * float_Array_0[1]))) ? (float_Array_0[0]) : ((float_Array_0[2] * float_Array_0[1])))) <= float_Array_0[2]) ? (unsigned_char_Array_0[0][0][0] == ((unsigned char) ((((unsigned_char_Array_0[1][1][0]) > (unsigned_char_Array_0[1][0][1])) ? (unsigned_char_Array_0[1][1][0]) : (unsigned_char_Array_0[1][0][1]))))) : (BOOL_unsigned_char_Array_0[0] ? (unsigned_char_Array_0[0][0][0] == ((unsigned char) (unsigned_char_Array_0[1][1][0] + unsigned_char_Array_0[0][1][1]))) : 1)) : (unsigned_char_Array_0[0][0][0] == ((unsigned char) unsigned_char_Array_0[1][0][0])))) && (double_Array_0[0] == ((double) float_Array_0[0]))) && (unsigned_char_Array_0[0][0][1] == ((unsigned char) unsigned_char_Array_0[1][0][0]))) && (double_Array_0[1] == ((double) float_Array_0[1])) ; [L107] RET, EXPR property() [L107] 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}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_0__0__0_=2, last_1_unsigned_char_Array_0_0__0__1_=0, last_1_unsigned_char_Array_0_1__1__1_=32, unsigned_char_Array_0={7:0}] [L19] reach_error() VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=0, cond=0, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_0__0__0_=2, last_1_unsigned_char_Array_0_0__0__1_=0, last_1_unsigned_char_Array_0_1__1__1_=32, unsigned_char_Array_0={7:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 37 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 3.6s, OverallIterations: 1, TraceHistogramMax: 14, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=37occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 2.2s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 60 NumberOfCodeBlocks, 60 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 23:55:44,611 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5122f626-5418-4184-b0ca-01d1ad822faa/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5122f626-5418-4184-b0ca-01d1ad822faa/bin/utaipan-verify-SwPr7d2a91/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5122f626-5418-4184-b0ca-01d1ad822faa/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_5122f626-5418-4184-b0ca-01d1ad822faa/bin/utaipan-verify-SwPr7d2a91/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5122f626-5418-4184-b0ca-01d1ad822faa/bin/utaipan-verify-SwPr7d2a91/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-82.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5122f626-5418-4184-b0ca-01d1ad822faa/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_5122f626-5418-4184-b0ca-01d1ad822faa/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 67160a6df79d1049c73d7b3dbc4aa323b185d65b8c91424febe1ccb6e4daf12a --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 23:55:47,623 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:55:47,703 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5122f626-5418-4184-b0ca-01d1ad822faa/bin/utaipan-verify-SwPr7d2a91/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2023-11-24 23:55:47,709 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 23:55:47,710 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-24 23:55:47,740 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:55:47,741 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-24 23:55:47,742 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-24 23:55:47,743 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 23:55:47,743 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-24 23:55:47,744 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-24 23:55:47,745 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-24 23:55:47,746 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-24 23:55:47,746 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-24 23:55:47,747 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-24 23:55:47,748 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-24 23:55:47,749 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:55:47,749 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 23:55:47,750 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 23:55:47,751 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 23:55:47,752 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:55:47,752 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 23:55:47,753 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:55:47,754 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 23:55:47,754 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-24 23:55:47,755 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-24 23:55:47,755 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-24 23:55:47,756 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 23:55:47,757 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 23:55:47,757 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:55:47,758 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:55:47,758 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-24 23:55:47,759 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-24 23:55:47,760 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-24 23:55:47,760 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-24 23:55:47,761 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:55:47,761 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:55:47,762 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 23:55:47,763 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-24 23:55:47,763 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-24 23:55:47,764 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-24 23:55:47,765 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 23:55:47,765 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-24 23:55:47,766 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-24 23:55:47,766 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_5122f626-5418-4184-b0ca-01d1ad822faa/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5122f626-5418-4184-b0ca-01d1ad822faa/bin/utaipan-verify-SwPr7d2a91 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 67160a6df79d1049c73d7b3dbc4aa323b185d65b8c91424febe1ccb6e4daf12a [2023-11-24 23:55:48,217 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:55:48,253 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:55:48,260 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:55:48,263 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:55:48,265 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:55:48,267 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5122f626-5418-4184-b0ca-01d1ad822faa/bin/utaipan-verify-SwPr7d2a91/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-82.i [2023-11-24 23:55:51,965 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:55:52,208 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:55:52,209 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5122f626-5418-4184-b0ca-01d1ad822faa/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-82.i [2023-11-24 23:55:52,221 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5122f626-5418-4184-b0ca-01d1ad822faa/bin/utaipan-verify-SwPr7d2a91/data/d588119f1/e681e3dae3d24defba2d577335609b64/FLAGa447c5818 [2023-11-24 23:55:52,237 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5122f626-5418-4184-b0ca-01d1ad822faa/bin/utaipan-verify-SwPr7d2a91/data/d588119f1/e681e3dae3d24defba2d577335609b64 [2023-11-24 23:55:52,239 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:55:52,241 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:55:52,243 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:55:52,243 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:55:52,248 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:55:52,249 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:55:52" (1/1) ... [2023-11-24 23:55:52,250 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@19fa6341 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:55:52, skipping insertion in model container [2023-11-24 23:55:52,250 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:55:52" (1/1) ... [2023-11-24 23:55:52,281 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:55:52,441 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_5122f626-5418-4184-b0ca-01d1ad822faa/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-82.i[916,929] [2023-11-24 23:55:52,588 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:55:52,621 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 23:55:52,642 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_5122f626-5418-4184-b0ca-01d1ad822faa/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-82.i[916,929] [2023-11-24 23:55:52,762 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:55:52,800 INFO L206 MainTranslator]: Completed translation [2023-11-24 23:55:52,801 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:55:52 WrapperNode [2023-11-24 23:55:52,801 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:55:52,803 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 23:55:52,803 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 23:55:52,803 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 23:55:52,833 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:55:52" (1/1) ... [2023-11-24 23:55:52,858 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:55:52" (1/1) ... [2023-11-24 23:55:52,945 INFO L138 Inliner]: procedures = 33, calls = 162, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 438 [2023-11-24 23:55:52,945 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 23:55:52,946 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 23:55:52,947 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 23:55:52,948 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 23:55:52,961 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:55:52" (1/1) ... [2023-11-24 23:55:52,961 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:55:52" (1/1) ... [2023-11-24 23:55:52,984 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:55:52" (1/1) ... [2023-11-24 23:55:52,997 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:55:52" (1/1) ... [2023-11-24 23:55:53,043 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:55:52" (1/1) ... [2023-11-24 23:55:53,054 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:55:52" (1/1) ... [2023-11-24 23:55:53,060 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:55:52" (1/1) ... [2023-11-24 23:55:53,064 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:55:52" (1/1) ... [2023-11-24 23:55:53,073 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 23:55:53,074 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 23:55:53,074 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 23:55:53,074 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 23:55:53,076 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:55:52" (1/1) ... [2023-11-24 23:55:53,083 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-24 23:55:53,112 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5122f626-5418-4184-b0ca-01d1ad822faa/bin/utaipan-verify-SwPr7d2a91/z3 [2023-11-24 23:55:53,136 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5122f626-5418-4184-b0ca-01d1ad822faa/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-24 23:55:53,161 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5122f626-5418-4184-b0ca-01d1ad822faa/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-24 23:55:53,196 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 23:55:53,197 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2023-11-24 23:55:53,198 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2023-11-24 23:55:53,198 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2023-11-24 23:55:53,199 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-24 23:55:53,199 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2023-11-24 23:55:53,199 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8 [2023-11-24 23:55:53,201 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2023-11-24 23:55:53,202 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4 [2023-11-24 23:55:53,203 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-24 23:55:53,203 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-24 23:55:53,203 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 23:55:53,203 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 23:55:53,204 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2023-11-24 23:55:53,421 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 23:55:53,424 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 23:55:57,378 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 23:55:57,435 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 23:55:57,437 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-24 23:55:57,438 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:55:57 BoogieIcfgContainer [2023-11-24 23:55:57,440 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 23:55:57,442 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-24 23:55:57,442 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-24 23:55:57,445 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-24 23:55:57,446 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 11:55:52" (1/3) ... [2023-11-24 23:55:57,446 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@79841ae6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 11:55:57, skipping insertion in model container [2023-11-24 23:55:57,447 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:55:52" (2/3) ... [2023-11-24 23:55:57,447 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@79841ae6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 11:55:57, skipping insertion in model container [2023-11-24 23:55:57,447 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:55:57" (3/3) ... [2023-11-24 23:55:57,449 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-a_file-82.i [2023-11-24 23:55:57,471 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-24 23:55:57,471 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-24 23:55:57,525 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-24 23:55:57,532 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;@cd75f92, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-24 23:55:57,533 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-24 23:55:57,537 INFO L276 IsEmpty]: Start isEmpty. Operand has 101 states, 84 states have (on average 1.4523809523809523) internal successors, (122), 85 states have internal predecessors, (122), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2023-11-24 23:55:57,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2023-11-24 23:55:57,553 INFO L187 NwaCegarLoop]: Found error trace [2023-11-24 23:55:57,554 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:55:57,555 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-24 23:55:57,560 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:55:57,560 INFO L85 PathProgramCache]: Analyzing trace with hash -1517865241, now seen corresponding path program 1 times [2023-11-24 23:55:57,576 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-24 23:55:57,577 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [745320226] [2023-11-24 23:55:57,577 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:55:57,578 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 23:55:57,578 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5122f626-5418-4184-b0ca-01d1ad822faa/bin/utaipan-verify-SwPr7d2a91/mathsat [2023-11-24 23:55:57,581 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5122f626-5418-4184-b0ca-01d1ad822faa/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 23:55:57,598 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5122f626-5418-4184-b0ca-01d1ad822faa/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 23:55:58,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:55:58,018 INFO L262 TraceCheckSpWp]: Trace formula consists of 261 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-24 23:55:58,028 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:55:58,075 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 146 proven. 0 refuted. 0 times theorem prover too weak. 218 trivial. 0 not checked. [2023-11-24 23:55:58,075 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-24 23:55:58,076 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-24 23:55:58,076 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [745320226] [2023-11-24 23:55:58,077 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [745320226] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-24 23:55:58,077 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-24 23:55:58,078 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-24 23:55:58,079 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1776326552] [2023-11-24 23:55:58,080 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-24 23:55:58,085 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-24 23:55:58,085 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-24 23:55:58,114 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-24 23:55:58,115 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-24 23:55:58,119 INFO L87 Difference]: Start difference. First operand has 101 states, 84 states have (on average 1.4523809523809523) internal successors, (122), 85 states have internal predecessors, (122), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) Second operand has 2 states, 2 states have (on average 25.5) internal successors, (51), 2 states have internal predecessors, (51), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2023-11-24 23:55:58,179 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-24 23:55:58,180 INFO L93 Difference]: Finished difference Result 199 states and 312 transitions. [2023-11-24 23:55:58,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-24 23:55:58,183 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 25.5) internal successors, (51), 2 states have internal predecessors, (51), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 114 [2023-11-24 23:55:58,183 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-24 23:55:58,196 INFO L225 Difference]: With dead ends: 199 [2023-11-24 23:55:58,196 INFO L226 Difference]: Without dead ends: 99 [2023-11-24 23:55:58,201 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 113 GetRequests, 113 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-24 23:55:58,209 INFO L413 NwaCegarLoop]: 137 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 137 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-24 23:55:58,211 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 137 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-24 23:55:58,231 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 99 states. [2023-11-24 23:55:58,254 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 99 to 99. [2023-11-24 23:55:58,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 99 states, 83 states have (on average 1.3614457831325302) internal successors, (113), 83 states have internal predecessors, (113), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2023-11-24 23:55:58,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 141 transitions. [2023-11-24 23:55:58,259 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 141 transitions. Word has length 114 [2023-11-24 23:55:58,260 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-24 23:55:58,260 INFO L495 AbstractCegarLoop]: Abstraction has 99 states and 141 transitions. [2023-11-24 23:55:58,261 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 25.5) internal successors, (51), 2 states have internal predecessors, (51), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2023-11-24 23:55:58,261 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 141 transitions. [2023-11-24 23:55:58,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2023-11-24 23:55:58,266 INFO L187 NwaCegarLoop]: Found error trace [2023-11-24 23:55:58,267 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:55:58,279 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5122f626-5418-4184-b0ca-01d1ad822faa/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 23:55:58,473 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5122f626-5418-4184-b0ca-01d1ad822faa/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 23:55:58,473 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-24 23:55:58,474 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:55:58,474 INFO L85 PathProgramCache]: Analyzing trace with hash 46136977, now seen corresponding path program 1 times [2023-11-24 23:55:58,475 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-24 23:55:58,476 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1769683949] [2023-11-24 23:55:58,476 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:55:58,476 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 23:55:58,476 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5122f626-5418-4184-b0ca-01d1ad822faa/bin/utaipan-verify-SwPr7d2a91/mathsat [2023-11-24 23:55:58,478 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5122f626-5418-4184-b0ca-01d1ad822faa/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 23:55:58,479 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5122f626-5418-4184-b0ca-01d1ad822faa/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 23:55:58,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:55:58,876 INFO L262 TraceCheckSpWp]: Trace formula consists of 263 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-24 23:55:58,883 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:55:58,959 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2023-11-24 23:55:58,959 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-24 23:55:58,959 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-24 23:55:58,960 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1769683949] [2023-11-24 23:55:58,960 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1769683949] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-24 23:55:58,960 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-24 23:55:58,960 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-24 23:55:58,961 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1310371822] [2023-11-24 23:55:58,961 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-24 23:55:58,962 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-24 23:55:58,963 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-24 23:55:58,964 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-24 23:55:58,964 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-24 23:55:58,964 INFO L87 Difference]: Start difference. First operand 99 states and 141 transitions. Second operand has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2023-11-24 23:55:59,067 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-24 23:55:59,067 INFO L93 Difference]: Finished difference Result 224 states and 319 transitions. [2023-11-24 23:55:59,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-24 23:55:59,068 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 114 [2023-11-24 23:55:59,069 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-24 23:55:59,071 INFO L225 Difference]: With dead ends: 224 [2023-11-24 23:55:59,071 INFO L226 Difference]: Without dead ends: 126 [2023-11-24 23:55:59,072 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 114 GetRequests, 111 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 23:55:59,074 INFO L413 NwaCegarLoop]: 162 mSDtfsCounter, 49 mSDsluCounter, 284 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 49 SdHoareTripleChecker+Valid, 446 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 23:55:59,074 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [49 Valid, 446 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-24 23:55:59,076 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 126 states. [2023-11-24 23:55:59,088 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 126 to 101. [2023-11-24 23:55:59,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 101 states, 85 states have (on average 1.3529411764705883) internal successors, (115), 85 states have internal predecessors, (115), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2023-11-24 23:55:59,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 143 transitions. [2023-11-24 23:55:59,091 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 143 transitions. Word has length 114 [2023-11-24 23:55:59,092 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-24 23:55:59,093 INFO L495 AbstractCegarLoop]: Abstraction has 101 states and 143 transitions. [2023-11-24 23:55:59,093 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2023-11-24 23:55:59,093 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 143 transitions. [2023-11-24 23:55:59,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2023-11-24 23:55:59,098 INFO L187 NwaCegarLoop]: Found error trace [2023-11-24 23:55:59,098 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:55:59,107 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5122f626-5418-4184-b0ca-01d1ad822faa/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 23:55:59,305 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5122f626-5418-4184-b0ca-01d1ad822faa/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 23:55:59,305 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-24 23:55:59,306 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:55:59,306 INFO L85 PathProgramCache]: Analyzing trace with hash -1288682049, now seen corresponding path program 1 times [2023-11-24 23:55:59,307 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-24 23:55:59,307 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [991092421] [2023-11-24 23:55:59,308 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:55:59,308 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 23:55:59,308 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5122f626-5418-4184-b0ca-01d1ad822faa/bin/utaipan-verify-SwPr7d2a91/mathsat [2023-11-24 23:55:59,309 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5122f626-5418-4184-b0ca-01d1ad822faa/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 23:55:59,313 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5122f626-5418-4184-b0ca-01d1ad822faa/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 23:55:59,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:55:59,620 INFO L262 TraceCheckSpWp]: Trace formula consists of 266 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-24 23:55:59,627 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:55:59,702 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2023-11-24 23:55:59,703 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-24 23:55:59,703 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-24 23:55:59,703 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [991092421] [2023-11-24 23:55:59,704 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [991092421] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-24 23:55:59,704 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-24 23:55:59,704 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-24 23:55:59,705 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1794672571] [2023-11-24 23:55:59,705 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-24 23:55:59,706 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-24 23:55:59,706 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-24 23:55:59,707 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-24 23:55:59,707 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-24 23:55:59,707 INFO L87 Difference]: Start difference. First operand 101 states and 143 transitions. Second operand has 5 states, 5 states have (on average 9.8) internal successors, (49), 5 states have internal predecessors, (49), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2023-11-24 23:55:59,875 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-24 23:55:59,875 INFO L93 Difference]: Finished difference Result 254 states and 359 transitions. [2023-11-24 23:55:59,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-24 23:55:59,876 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.8) internal successors, (49), 5 states have internal predecessors, (49), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 116 [2023-11-24 23:55:59,877 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-24 23:55:59,879 INFO L225 Difference]: With dead ends: 254 [2023-11-24 23:55:59,880 INFO L226 Difference]: Without dead ends: 154 [2023-11-24 23:55:59,881 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 118 GetRequests, 112 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-11-24 23:55:59,883 INFO L413 NwaCegarLoop]: 195 mSDtfsCounter, 86 mSDsluCounter, 467 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 86 SdHoareTripleChecker+Valid, 662 SdHoareTripleChecker+Invalid, 48 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 46 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-24 23:55:59,883 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [86 Valid, 662 Invalid, 48 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-24 23:55:59,885 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 154 states. [2023-11-24 23:55:59,901 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 154 to 102. [2023-11-24 23:55:59,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 102 states, 86 states have (on average 1.3488372093023255) internal successors, (116), 86 states have internal predecessors, (116), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2023-11-24 23:55:59,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 102 states and 144 transitions. [2023-11-24 23:55:59,906 INFO L78 Accepts]: Start accepts. Automaton has 102 states and 144 transitions. Word has length 116 [2023-11-24 23:55:59,907 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-24 23:55:59,907 INFO L495 AbstractCegarLoop]: Abstraction has 102 states and 144 transitions. [2023-11-24 23:55:59,908 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.8) internal successors, (49), 5 states have internal predecessors, (49), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2023-11-24 23:55:59,908 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 144 transitions. [2023-11-24 23:55:59,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2023-11-24 23:55:59,911 INFO L187 NwaCegarLoop]: Found error trace [2023-11-24 23:55:59,912 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:55:59,923 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5122f626-5418-4184-b0ca-01d1ad822faa/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 23:56:00,119 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5122f626-5418-4184-b0ca-01d1ad822faa/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 23:56:00,119 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-24 23:56:00,119 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:56:00,120 INFO L85 PathProgramCache]: Analyzing trace with hash -1953839654, now seen corresponding path program 1 times [2023-11-24 23:56:00,120 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-24 23:56:00,121 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [265222689] [2023-11-24 23:56:00,121 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:56:00,121 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 23:56:00,121 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5122f626-5418-4184-b0ca-01d1ad822faa/bin/utaipan-verify-SwPr7d2a91/mathsat [2023-11-24 23:56:00,123 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5122f626-5418-4184-b0ca-01d1ad822faa/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 23:56:00,141 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5122f626-5418-4184-b0ca-01d1ad822faa/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 23:56:00,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:56:00,495 INFO L262 TraceCheckSpWp]: Trace formula consists of 272 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-24 23:56:00,504 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:56:00,585 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2023-11-24 23:56:00,586 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-24 23:56:00,586 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-24 23:56:00,586 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [265222689] [2023-11-24 23:56:00,591 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [265222689] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-24 23:56:00,592 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-24 23:56:00,592 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-24 23:56:00,592 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [708223400] [2023-11-24 23:56:00,592 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-24 23:56:00,595 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-24 23:56:00,595 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-24 23:56:00,596 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-24 23:56:00,602 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-24 23:56:00,602 INFO L87 Difference]: Start difference. First operand 102 states and 144 transitions. Second operand has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2023-11-24 23:56:02,880 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.24s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-24 23:56:05,436 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-24 23:56:07,249 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.81s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-24 23:56:08,747 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-24 23:56:08,747 INFO L93 Difference]: Finished difference Result 225 states and 317 transitions. [2023-11-24 23:56:08,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-24 23:56:08,749 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 118 [2023-11-24 23:56:08,750 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-24 23:56:08,751 INFO L225 Difference]: With dead ends: 225 [2023-11-24 23:56:08,751 INFO L226 Difference]: Without dead ends: 124 [2023-11-24 23:56:08,753 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 118 GetRequests, 115 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 23:56:08,754 INFO L413 NwaCegarLoop]: 129 mSDtfsCounter, 78 mSDsluCounter, 157 mSDsCounter, 0 mSdLazyCounter, 116 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 78 SdHoareTripleChecker+Valid, 286 SdHoareTripleChecker+Invalid, 117 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 116 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.1s IncrementalHoareTripleChecker+Time [2023-11-24 23:56:08,754 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [78 Valid, 286 Invalid, 117 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 116 Invalid, 1 Unknown, 0 Unchecked, 8.1s Time] [2023-11-24 23:56:08,756 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124 states. [2023-11-24 23:56:08,765 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124 to 97. [2023-11-24 23:56:08,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 97 states, 81 states have (on average 1.3333333333333333) internal successors, (108), 81 states have internal predecessors, (108), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2023-11-24 23:56:08,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 136 transitions. [2023-11-24 23:56:08,767 INFO L78 Accepts]: Start accepts. Automaton has 97 states and 136 transitions. Word has length 118 [2023-11-24 23:56:08,768 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-24 23:56:08,768 INFO L495 AbstractCegarLoop]: Abstraction has 97 states and 136 transitions. [2023-11-24 23:56:08,769 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2023-11-24 23:56:08,769 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 136 transitions. [2023-11-24 23:56:08,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2023-11-24 23:56:08,772 INFO L187 NwaCegarLoop]: Found error trace [2023-11-24 23:56:08,772 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:56:08,786 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5122f626-5418-4184-b0ca-01d1ad822faa/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)] Forceful destruction successful, exit code 0 [2023-11-24 23:56:08,980 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5122f626-5418-4184-b0ca-01d1ad822faa/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 23:56:08,980 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-24 23:56:08,982 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:56:08,982 INFO L85 PathProgramCache]: Analyzing trace with hash 1971953921, now seen corresponding path program 1 times [2023-11-24 23:56:08,982 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-24 23:56:08,982 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [765047147] [2023-11-24 23:56:08,983 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:56:08,983 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 23:56:08,983 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5122f626-5418-4184-b0ca-01d1ad822faa/bin/utaipan-verify-SwPr7d2a91/mathsat [2023-11-24 23:56:08,984 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5122f626-5418-4184-b0ca-01d1ad822faa/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 23:56:08,987 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5122f626-5418-4184-b0ca-01d1ad822faa/bin/utaipan-verify-SwPr7d2a91/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2023-11-24 23:56:09,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:56:09,256 INFO L262 TraceCheckSpWp]: Trace formula consists of 272 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-24 23:56:09,260 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:56:09,317 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2023-11-24 23:56:09,317 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-24 23:56:09,317 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-24 23:56:09,318 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [765047147] [2023-11-24 23:56:09,318 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [765047147] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-24 23:56:09,318 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-24 23:56:09,318 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-24 23:56:09,319 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [716376520] [2023-11-24 23:56:09,319 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-24 23:56:09,319 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-24 23:56:09,320 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-24 23:56:09,321 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-24 23:56:09,321 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-24 23:56:09,321 INFO L87 Difference]: Start difference. First operand 97 states and 136 transitions. Second operand has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2023-11-24 23:56:09,560 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-24 23:56:09,560 INFO L93 Difference]: Finished difference Result 205 states and 288 transitions. [2023-11-24 23:56:09,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-24 23:56:09,561 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 118 [2023-11-24 23:56:09,562 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-24 23:56:09,563 INFO L225 Difference]: With dead ends: 205 [2023-11-24 23:56:09,563 INFO L226 Difference]: Without dead ends: 109 [2023-11-24 23:56:09,564 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 118 GetRequests, 115 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 23:56:09,565 INFO L413 NwaCegarLoop]: 129 mSDtfsCounter, 21 mSDsluCounter, 258 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 387 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-24 23:56:09,566 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 387 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-24 23:56:09,567 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2023-11-24 23:56:09,576 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 99. [2023-11-24 23:56:09,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 99 states, 83 states have (on average 1.3253012048192772) internal successors, (110), 83 states have internal predecessors, (110), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2023-11-24 23:56:09,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 138 transitions. [2023-11-24 23:56:09,578 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 138 transitions. Word has length 118 [2023-11-24 23:56:09,579 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-24 23:56:09,579 INFO L495 AbstractCegarLoop]: Abstraction has 99 states and 138 transitions. [2023-11-24 23:56:09,579 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2023-11-24 23:56:09,579 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 138 transitions. [2023-11-24 23:56:09,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2023-11-24 23:56:09,582 INFO L187 NwaCegarLoop]: Found error trace [2023-11-24 23:56:09,582 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:56:09,603 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5122f626-5418-4184-b0ca-01d1ad822faa/bin/utaipan-verify-SwPr7d2a91/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2023-11-24 23:56:09,790 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5122f626-5418-4184-b0ca-01d1ad822faa/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 23:56:09,790 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-24 23:56:09,791 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:56:09,791 INFO L85 PathProgramCache]: Analyzing trace with hash 1162607295, now seen corresponding path program 1 times [2023-11-24 23:56:09,791 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-24 23:56:09,791 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [650363177] [2023-11-24 23:56:09,792 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:56:09,792 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 23:56:09,792 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5122f626-5418-4184-b0ca-01d1ad822faa/bin/utaipan-verify-SwPr7d2a91/mathsat [2023-11-24 23:56:09,793 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5122f626-5418-4184-b0ca-01d1ad822faa/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 23:56:09,795 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5122f626-5418-4184-b0ca-01d1ad822faa/bin/utaipan-verify-SwPr7d2a91/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2023-11-24 23:56:10,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:56:10,048 INFO L262 TraceCheckSpWp]: Trace formula consists of 269 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-24 23:56:10,052 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:56:10,099 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2023-11-24 23:56:10,099 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-24 23:56:10,100 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-24 23:56:10,100 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [650363177] [2023-11-24 23:56:10,100 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [650363177] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-24 23:56:10,100 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-24 23:56:10,100 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-24 23:56:10,101 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [852050188] [2023-11-24 23:56:10,101 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-24 23:56:10,102 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-24 23:56:10,102 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-24 23:56:10,103 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-24 23:56:10,103 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-24 23:56:10,103 INFO L87 Difference]: Start difference. First operand 99 states and 138 transitions. Second operand has 5 states, 5 states have (on average 10.2) internal successors, (51), 5 states have internal predecessors, (51), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2023-11-24 23:56:10,400 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-24 23:56:10,400 INFO L93 Difference]: Finished difference Result 210 states and 293 transitions. [2023-11-24 23:56:10,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-24 23:56:10,401 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.2) internal successors, (51), 5 states have internal predecessors, (51), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 118 [2023-11-24 23:56:10,402 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-24 23:56:10,403 INFO L225 Difference]: With dead ends: 210 [2023-11-24 23:56:10,403 INFO L226 Difference]: Without dead ends: 112 [2023-11-24 23:56:10,404 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 120 GetRequests, 114 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-11-24 23:56:10,405 INFO L413 NwaCegarLoop]: 127 mSDtfsCounter, 24 mSDsluCounter, 384 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 24 SdHoareTripleChecker+Valid, 511 SdHoareTripleChecker+Invalid, 43 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-24 23:56:10,406 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [24 Valid, 511 Invalid, 43 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-24 23:56:10,407 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 112 states. [2023-11-24 23:56:10,415 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 112 to 101. [2023-11-24 23:56:10,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 101 states, 85 states have (on average 1.3176470588235294) internal successors, (112), 85 states have internal predecessors, (112), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2023-11-24 23:56:10,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 140 transitions. [2023-11-24 23:56:10,418 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 140 transitions. Word has length 118 [2023-11-24 23:56:10,418 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-24 23:56:10,419 INFO L495 AbstractCegarLoop]: Abstraction has 101 states and 140 transitions. [2023-11-24 23:56:10,419 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.2) internal successors, (51), 5 states have internal predecessors, (51), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2023-11-24 23:56:10,419 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 140 transitions. [2023-11-24 23:56:10,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2023-11-24 23:56:10,421 INFO L187 NwaCegarLoop]: Found error trace [2023-11-24 23:56:10,422 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:56:10,435 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5122f626-5418-4184-b0ca-01d1ad822faa/bin/utaipan-verify-SwPr7d2a91/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2023-11-24 23:56:10,628 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5122f626-5418-4184-b0ca-01d1ad822faa/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 23:56:10,629 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-24 23:56:10,629 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:56:10,629 INFO L85 PathProgramCache]: Analyzing trace with hash 1219865597, now seen corresponding path program 1 times [2023-11-24 23:56:10,630 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-24 23:56:10,630 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [803119015] [2023-11-24 23:56:10,630 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:56:10,630 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 23:56:10,630 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5122f626-5418-4184-b0ca-01d1ad822faa/bin/utaipan-verify-SwPr7d2a91/mathsat [2023-11-24 23:56:10,631 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5122f626-5418-4184-b0ca-01d1ad822faa/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 23:56:10,633 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5122f626-5418-4184-b0ca-01d1ad822faa/bin/utaipan-verify-SwPr7d2a91/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2023-11-24 23:56:10,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:56:10,914 INFO L262 TraceCheckSpWp]: Trace formula consists of 266 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-24 23:56:10,927 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:56:10,993 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2023-11-24 23:56:10,994 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-24 23:56:10,994 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-24 23:56:10,994 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [803119015] [2023-11-24 23:56:10,994 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [803119015] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-24 23:56:10,994 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-24 23:56:10,994 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-24 23:56:10,995 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1411844191] [2023-11-24 23:56:10,995 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-24 23:56:10,995 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-24 23:56:10,995 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-24 23:56:10,996 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-24 23:56:10,996 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-11-24 23:56:10,997 INFO L87 Difference]: Start difference. First operand 101 states and 140 transitions. Second operand has 6 states, 6 states have (on average 8.5) internal successors, (51), 6 states have internal predecessors, (51), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2023-11-24 23:56:11,456 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-24 23:56:11,457 INFO L93 Difference]: Finished difference Result 213 states and 294 transitions. [2023-11-24 23:56:11,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-11-24 23:56:11,458 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.5) internal successors, (51), 6 states have internal predecessors, (51), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 118 [2023-11-24 23:56:11,459 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-24 23:56:11,460 INFO L225 Difference]: With dead ends: 213 [2023-11-24 23:56:11,460 INFO L226 Difference]: Without dead ends: 113 [2023-11-24 23:56:11,461 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 123 GetRequests, 113 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2023-11-24 23:56:11,462 INFO L413 NwaCegarLoop]: 126 mSDtfsCounter, 19 mSDsluCounter, 502 mSDsCounter, 0 mSdLazyCounter, 56 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 628 SdHoareTripleChecker+Invalid, 59 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 56 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-11-24 23:56:11,462 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 628 Invalid, 59 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 56 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-11-24 23:56:11,464 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113 states. [2023-11-24 23:56:11,471 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113 to 103. [2023-11-24 23:56:11,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 103 states, 87 states have (on average 1.3103448275862069) internal successors, (114), 87 states have internal predecessors, (114), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2023-11-24 23:56:11,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 142 transitions. [2023-11-24 23:56:11,474 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 142 transitions. Word has length 118 [2023-11-24 23:56:11,474 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-24 23:56:11,475 INFO L495 AbstractCegarLoop]: Abstraction has 103 states and 142 transitions. [2023-11-24 23:56:11,475 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.5) internal successors, (51), 6 states have internal predecessors, (51), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2023-11-24 23:56:11,475 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 142 transitions. [2023-11-24 23:56:11,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2023-11-24 23:56:11,477 INFO L187 NwaCegarLoop]: Found error trace [2023-11-24 23:56:11,478 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:56:11,490 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5122f626-5418-4184-b0ca-01d1ad822faa/bin/utaipan-verify-SwPr7d2a91/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2023-11-24 23:56:11,684 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5122f626-5418-4184-b0ca-01d1ad822faa/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 23:56:11,684 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-24 23:56:11,685 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:56:11,685 INFO L85 PathProgramCache]: Analyzing trace with hash 1219925179, now seen corresponding path program 1 times [2023-11-24 23:56:11,686 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-24 23:56:11,686 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [193421498] [2023-11-24 23:56:11,686 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:56:11,686 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 23:56:11,686 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5122f626-5418-4184-b0ca-01d1ad822faa/bin/utaipan-verify-SwPr7d2a91/mathsat [2023-11-24 23:56:11,689 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5122f626-5418-4184-b0ca-01d1ad822faa/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 23:56:11,696 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5122f626-5418-4184-b0ca-01d1ad822faa/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 (9)] Waiting until timeout for monitored process [2023-11-24 23:56:12,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:56:12,153 INFO L262 TraceCheckSpWp]: Trace formula consists of 263 conjuncts, 30 conjunts are in the unsatisfiable core [2023-11-24 23:56:12,160 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:56:12,682 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2023-11-24 23:56:12,819 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2023-11-24 23:56:12,945 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2023-11-24 23:56:13,081 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2023-11-24 23:56:13,327 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-24 23:56:13,327 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 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 34 treesize of output 37 [2023-11-24 23:56:13,487 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-24 23:56:13,487 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 49 treesize of output 57 [2023-11-24 23:56:13,499 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 30 [2023-11-24 23:56:13,595 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-24 23:56:13,595 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 50 treesize of output 58 [2023-11-24 23:56:13,995 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-24 23:56:13,996 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 77 treesize of output 31 [2023-11-24 23:56:14,293 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2023-11-24 23:56:14,293 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-24 23:56:14,293 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-24 23:56:14,294 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [193421498] [2023-11-24 23:56:14,294 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [193421498] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-24 23:56:14,294 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-24 23:56:14,294 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-11-24 23:56:14,294 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2120862591] [2023-11-24 23:56:14,294 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-24 23:56:14,295 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-11-24 23:56:14,295 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-24 23:56:14,296 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-11-24 23:56:14,296 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2023-11-24 23:56:14,296 INFO L87 Difference]: Start difference. First operand 103 states and 142 transitions. Second operand has 13 states, 13 states have (on average 3.923076923076923) internal successors, (51), 12 states have internal predecessors, (51), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2023-11-24 23:56:19,478 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-24 23:56:22,234 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.24s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-24 23:56:26,372 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-24 23:56:29,023 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-24 23:56:32,284 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers []