./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-44.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bcc0ece-5199-48ae-9c67-45c60569f8ad/bin/utaipan-verify-SwPr7d2a91/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bcc0ece-5199-48ae-9c67-45c60569f8ad/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_6bcc0ece-5199-48ae-9c67-45c60569f8ad/bin/utaipan-verify-SwPr7d2a91/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bcc0ece-5199-48ae-9c67-45c60569f8ad/bin/utaipan-verify-SwPr7d2a91/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-44.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bcc0ece-5199-48ae-9c67-45c60569f8ad/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_6bcc0ece-5199-48ae-9c67-45c60569f8ad/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 eaa60ed61738bb84f21e0e7461cdcc453d531566de1a87a0cbf8ab788e5233b0 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 23:50:26,609 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:50:26,744 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bcc0ece-5199-48ae-9c67-45c60569f8ad/bin/utaipan-verify-SwPr7d2a91/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-11-24 23:50:26,755 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 23:50:26,756 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-24 23:50:26,808 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:50:26,809 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-24 23:50:26,810 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-24 23:50:26,811 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 23:50:26,817 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-24 23:50:26,818 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-24 23:50:26,819 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-24 23:50:26,820 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-24 23:50:26,822 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-24 23:50:26,822 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-24 23:50:26,823 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-24 23:50:26,823 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-24 23:50:26,824 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-24 23:50:26,825 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-24 23:50:26,825 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-24 23:50:26,826 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-24 23:50:26,826 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-24 23:50:26,828 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:50:26,828 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 23:50:26,829 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 23:50:26,829 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 23:50:26,830 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 23:50:26,830 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:50:26,831 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 23:50:26,831 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:50:26,833 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 23:50:26,833 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 23:50:26,834 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 23:50:26,834 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:50:26,834 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:50:26,835 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-24 23:50:26,836 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-24 23:50:26,836 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-24 23:50:26,836 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:50:26,837 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:50:26,837 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 23:50:26,837 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-24 23:50:26,838 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 23:50:26,838 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-24 23:50:26,839 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 23:50:26,839 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-24 23:50:26,839 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-24 23:50:26,839 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_6bcc0ece-5199-48ae-9c67-45c60569f8ad/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bcc0ece-5199-48ae-9c67-45c60569f8ad/bin/utaipan-verify-SwPr7d2a91 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> eaa60ed61738bb84f21e0e7461cdcc453d531566de1a87a0cbf8ab788e5233b0 [2023-11-24 23:50:27,214 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:50:27,239 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:50:27,242 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:50:27,243 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:50:27,244 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:50:27,245 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bcc0ece-5199-48ae-9c67-45c60569f8ad/bin/utaipan-verify-SwPr7d2a91/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-44.i [2023-11-24 23:50:30,445 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:50:30,755 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:50:30,755 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bcc0ece-5199-48ae-9c67-45c60569f8ad/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-44.i [2023-11-24 23:50:30,767 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bcc0ece-5199-48ae-9c67-45c60569f8ad/bin/utaipan-verify-SwPr7d2a91/data/0d53d4a51/8da02b70177b42919587e2ead523852a/FLAG7591661bb [2023-11-24 23:50:30,785 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bcc0ece-5199-48ae-9c67-45c60569f8ad/bin/utaipan-verify-SwPr7d2a91/data/0d53d4a51/8da02b70177b42919587e2ead523852a [2023-11-24 23:50:30,788 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:50:30,790 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:50:30,792 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:50:30,792 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:50:30,799 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:50:30,800 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:50:30" (1/1) ... [2023-11-24 23:50:30,802 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1910edc3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:50:30, skipping insertion in model container [2023-11-24 23:50:30,802 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:50:30" (1/1) ... [2023-11-24 23:50:30,838 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:50:31,008 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_6bcc0ece-5199-48ae-9c67-45c60569f8ad/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-44.i[916,929] [2023-11-24 23:50:31,090 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:50:31,106 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 23:50:31,119 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_6bcc0ece-5199-48ae-9c67-45c60569f8ad/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-44.i[916,929] [2023-11-24 23:50:31,173 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:50:31,194 INFO L206 MainTranslator]: Completed translation [2023-11-24 23:50:31,194 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:50:31 WrapperNode [2023-11-24 23:50:31,195 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:50:31,196 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 23:50:31,196 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 23:50:31,196 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 23:50:31,204 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:50:31" (1/1) ... [2023-11-24 23:50:31,228 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:50:31" (1/1) ... [2023-11-24 23:50:31,296 INFO L138 Inliner]: procedures = 29, calls = 169, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 441 [2023-11-24 23:50:31,304 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 23:50:31,305 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 23:50:31,305 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 23:50:31,305 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 23:50:31,313 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:50:31" (1/1) ... [2023-11-24 23:50:31,314 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:50:31" (1/1) ... [2023-11-24 23:50:31,321 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:50:31" (1/1) ... [2023-11-24 23:50:31,322 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:50:31" (1/1) ... [2023-11-24 23:50:31,350 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:50:31" (1/1) ... [2023-11-24 23:50:31,356 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:50:31" (1/1) ... [2023-11-24 23:50:31,371 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:50:31" (1/1) ... [2023-11-24 23:50:31,374 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:50:31" (1/1) ... [2023-11-24 23:50:31,382 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 23:50:31,383 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 23:50:31,383 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 23:50:31,383 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 23:50:31,384 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:50:31" (1/1) ... [2023-11-24 23:50:31,408 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-24 23:50:31,426 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bcc0ece-5199-48ae-9c67-45c60569f8ad/bin/utaipan-verify-SwPr7d2a91/z3 [2023-11-24 23:50:31,464 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bcc0ece-5199-48ae-9c67-45c60569f8ad/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-24 23:50:31,483 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bcc0ece-5199-48ae-9c67-45c60569f8ad/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-24 23:50:31,515 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 23:50:31,515 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2023-11-24 23:50:31,515 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-24 23:50:31,516 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2023-11-24 23:50:31,518 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-24 23:50:31,518 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2023-11-24 23:50:31,519 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-24 23:50:31,520 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-24 23:50:31,520 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 23:50:31,520 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 23:50:31,520 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 23:50:31,710 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 23:50:31,714 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 23:50:32,525 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 23:50:33,325 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 23:50:33,325 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-24 23:50:33,328 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:50:33 BoogieIcfgContainer [2023-11-24 23:50:33,328 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 23:50:33,332 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-24 23:50:33,332 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-24 23:50:33,336 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-24 23:50:33,337 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 11:50:30" (1/3) ... [2023-11-24 23:50:33,338 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@8b4598 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 11:50:33, skipping insertion in model container [2023-11-24 23:50:33,339 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:50:31" (2/3) ... [2023-11-24 23:50:33,341 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@8b4598 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 11:50:33, skipping insertion in model container [2023-11-24 23:50:33,341 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:50:33" (3/3) ... [2023-11-24 23:50:33,343 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-a_file-44.i [2023-11-24 23:50:33,364 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-24 23:50:33,365 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-24 23:50:33,438 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-24 23:50:33,450 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;@55174d2f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-24 23:50:33,451 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-24 23:50:33,456 INFO L276 IsEmpty]: Start isEmpty. Operand has 51 states, 27 states have (on average 1.1111111111111112) internal successors, (30), 28 states have internal predecessors, (30), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2023-11-24 23:50:33,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2023-11-24 23:50:33,479 INFO L187 NwaCegarLoop]: Found error trace [2023-11-24 23:50:33,480 INFO L195 NwaCegarLoop]: trace histogram [21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:50:33,481 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-24 23:50:33,491 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:50:33,492 INFO L85 PathProgramCache]: Analyzing trace with hash -2049792312, now seen corresponding path program 1 times [2023-11-24 23:50:33,504 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-24 23:50:33,505 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1790027911] [2023-11-24 23:50:33,505 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:50:33,506 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:50:33,899 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-24 23:50:33,903 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2100235890] [2023-11-24 23:50:33,903 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:50:33,903 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-24 23:50:33,904 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bcc0ece-5199-48ae-9c67-45c60569f8ad/bin/utaipan-verify-SwPr7d2a91/z3 [2023-11-24 23:50:33,911 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bcc0ece-5199-48ae-9c67-45c60569f8ad/bin/utaipan-verify-SwPr7d2a91/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-24 23:50:33,948 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bcc0ece-5199-48ae-9c67-45c60569f8ad/bin/utaipan-verify-SwPr7d2a91/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-24 23:50:35,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:50:35,388 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 23:50:36,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:50:36,309 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-11-24 23:50:36,317 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-24 23:50:36,318 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-24 23:50:36,335 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bcc0ece-5199-48ae-9c67-45c60569f8ad/bin/utaipan-verify-SwPr7d2a91/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2023-11-24 23:50:36,535 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bcc0ece-5199-48ae-9c67-45c60569f8ad/bin/utaipan-verify-SwPr7d2a91/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-11-24 23:50:36,540 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-24 23:50:36,543 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-24 23:50:36,614 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem42 could not be translated [2023-11-24 23:50:36,616 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem42 could not be translated [2023-11-24 23:50:36,616 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem43 could not be translated [2023-11-24 23:50:36,617 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem43 could not be translated [2023-11-24 23:50:36,618 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem45 could not be translated [2023-11-24 23:50:36,618 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem45 could not be translated [2023-11-24 23:50:36,619 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem46 could not be translated [2023-11-24 23:50:36,620 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem46 could not be translated [2023-11-24 23:50:36,620 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem48 could not be translated [2023-11-24 23:50:36,621 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem48 could not be translated [2023-11-24 23:50:36,621 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem49 could not be translated [2023-11-24 23:50:36,622 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem49 could not be translated [2023-11-24 23:50:36,622 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem51 could not be translated [2023-11-24 23:50:36,623 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem51 could not be translated [2023-11-24 23:50:36,624 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem52 could not be translated [2023-11-24 23:50:36,624 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem52 could not be translated [2023-11-24 23:50:36,625 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem58 could not be translated [2023-11-24 23:50:36,625 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem54 could not be translated [2023-11-24 23:50:36,625 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem57 could not be translated [2023-11-24 23:50:36,625 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short56 could not be translated [2023-11-24 23:50:36,626 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short59 could not be translated [2023-11-24 23:50:36,626 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem55 could not be translated [2023-11-24 23:50:36,626 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short60 could not be translated [2023-11-24 23:50:36,627 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem54 could not be translated [2023-11-24 23:50:36,627 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem55 could not be translated [2023-11-24 23:50:36,627 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short59 could not be translated [2023-11-24 23:50:36,627 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem57 could not be translated [2023-11-24 23:50:36,628 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem58 could not be translated [2023-11-24 23:50:36,628 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short60 could not be translated [2023-11-24 23:50:36,628 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short56 could not be translated [2023-11-24 23:50:36,629 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem63 could not be translated [2023-11-24 23:50:36,629 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short64 could not be translated [2023-11-24 23:50:36,629 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short67 could not be translated [2023-11-24 23:50:36,629 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem66 could not be translated [2023-11-24 23:50:36,630 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short68 could not be translated [2023-11-24 23:50:36,630 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem62 could not be translated [2023-11-24 23:50:36,630 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem65 could not be translated [2023-11-24 23:50:36,631 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short68 could not be translated [2023-11-24 23:50:36,631 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem66 could not be translated [2023-11-24 23:50:36,631 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short67 could not be translated [2023-11-24 23:50:36,631 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem63 could not be translated [2023-11-24 23:50:36,632 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem62 could not be translated [2023-11-24 23:50:36,632 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem65 could not be translated [2023-11-24 23:50:36,632 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short64 could not be translated [2023-11-24 23:50:36,633 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem70 could not be translated [2023-11-24 23:50:36,633 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem70 could not be translated [2023-11-24 23:50:36,634 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem71 could not be translated [2023-11-24 23:50:36,634 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem71 could not be translated [2023-11-24 23:50:36,635 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem73 could not be translated [2023-11-24 23:50:36,636 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem73 could not be translated [2023-11-24 23:50:36,636 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem74 could not be translated [2023-11-24 23:50:36,637 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem74 could not be translated [2023-11-24 23:50:36,637 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem76 could not be translated [2023-11-24 23:50:36,638 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem76 could not be translated [2023-11-24 23:50:36,639 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem77 could not be translated [2023-11-24 23:50:36,639 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem77 could not be translated [2023-11-24 23:50:36,640 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem79 could not be translated [2023-11-24 23:50:36,640 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem79 could not be translated [2023-11-24 23:50:36,641 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem80 could not be translated [2023-11-24 23:50:36,642 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem80 could not be translated [2023-11-24 23:50:36,642 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem82 could not be translated [2023-11-24 23:50:36,643 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem82 could not be translated [2023-11-24 23:50:36,643 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem83 could not be translated [2023-11-24 23:50:36,644 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem83 could not be translated [2023-11-24 23:50:36,644 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem84 could not be translated [2023-11-24 23:50:36,645 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem84 could not be translated [2023-11-24 23:50:36,683 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.11 11:50:36 BoogieIcfgContainer [2023-11-24 23:50:36,684 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-24 23:50:36,684 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-24 23:50:36,684 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-24 23:50:36,685 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-24 23:50:36,686 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:50:33" (3/4) ... [2023-11-24 23:50:36,688 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-24 23:50:36,689 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-24 23:50:36,692 INFO L158 Benchmark]: Toolchain (without parser) took 5900.88ms. Allocated memory was 130.0MB in the beginning and 167.8MB in the end (delta: 37.7MB). Free memory was 92.2MB in the beginning and 75.9MB in the end (delta: 16.3MB). Peak memory consumption was 52.3MB. Max. memory is 16.1GB. [2023-11-24 23:50:36,692 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 107.0MB. Free memory is still 80.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:50:36,694 INFO L158 Benchmark]: CACSL2BoogieTranslator took 403.42ms. Allocated memory is still 130.0MB. Free memory was 91.9MB in the beginning and 76.9MB in the end (delta: 15.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-24 23:50:36,695 INFO L158 Benchmark]: Boogie Procedure Inliner took 108.48ms. Allocated memory is still 130.0MB. Free memory was 76.9MB in the beginning and 72.7MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-24 23:50:36,699 INFO L158 Benchmark]: Boogie Preprocessor took 77.15ms. Allocated memory is still 130.0MB. Free memory was 72.7MB in the beginning and 69.2MB in the end (delta: 3.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-24 23:50:36,700 INFO L158 Benchmark]: RCFGBuilder took 1945.28ms. Allocated memory was 130.0MB in the beginning and 167.8MB in the end (delta: 37.7MB). Free memory was 69.2MB in the beginning and 86.7MB in the end (delta: -17.5MB). Peak memory consumption was 34.2MB. Max. memory is 16.1GB. [2023-11-24 23:50:36,700 INFO L158 Benchmark]: TraceAbstraction took 3351.83ms. Allocated memory is still 167.8MB. Free memory was 85.6MB in the beginning and 77.0MB in the end (delta: 8.7MB). Peak memory consumption was 5.5MB. Max. memory is 16.1GB. [2023-11-24 23:50:36,701 INFO L158 Benchmark]: Witness Printer took 5.38ms. Allocated memory is still 167.8MB. Free memory was 77.0MB in the beginning and 75.9MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 23:50:36,704 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 107.0MB. Free memory is still 80.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 403.42ms. Allocated memory is still 130.0MB. Free memory was 91.9MB in the beginning and 76.9MB in the end (delta: 15.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 108.48ms. Allocated memory is still 130.0MB. Free memory was 76.9MB in the beginning and 72.7MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 77.15ms. Allocated memory is still 130.0MB. Free memory was 72.7MB in the beginning and 69.2MB in the end (delta: 3.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1945.28ms. Allocated memory was 130.0MB in the beginning and 167.8MB in the end (delta: 37.7MB). Free memory was 69.2MB in the beginning and 86.7MB in the end (delta: -17.5MB). Peak memory consumption was 34.2MB. Max. memory is 16.1GB. * TraceAbstraction took 3351.83ms. Allocated memory is still 167.8MB. Free memory was 85.6MB in the beginning and 77.0MB in the end (delta: 8.7MB). Peak memory consumption was 5.5MB. Max. memory is 16.1GB. * Witness Printer took 5.38ms. Allocated memory is still 167.8MB. Free memory was 77.0MB in the beginning and 75.9MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem42 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem42 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem43 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem43 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem45 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem45 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem46 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem46 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem48 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem48 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem49 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem49 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem51 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem51 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem52 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem52 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem58 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem54 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem57 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short56 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short59 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem55 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short60 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem54 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem55 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short59 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem57 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem58 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short60 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short56 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem63 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short64 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short67 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem66 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short68 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem62 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem65 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short68 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem66 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short67 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem63 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem62 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem65 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short64 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 Unfinished Backtranslation: IdentifierExpression #t~mem79 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem79 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem80 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem80 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem82 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem82 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem83 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem83 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem84 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem84 could not be translated - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 53, overapproximation of someBinaryFLOATComparisonOperation at line 53, overapproximation of someUnaryFLOAToperation at line 53. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22-L24] unsigned char BOOL_unsigned_char_Array_0[2][3] = { {0, 1, 0}, {0, 0, 0} }; [L25-L27] double double_Array_0[1] = { 10.5 }; [L28-L30] float float_Array_0[2] = { 50.75, 32.6 }; [L31-L33] signed char signed_char_Array_0[2][2] = { {50, -64}, {-1, -25} }; [L34-L36] signed long int signed_long_int_Array_0[1] = { 32 }; [L37-L39] unsigned char unsigned_char_Array_0[1] = { 1 }; [L109] isInitial = 1 [L110] FCALL initially() [L111] COND TRUE 1 [L112] FCALL updateLastVariables() [L113] CALL updateVariables() [L69] BOOL_unsigned_char_Array_0[1][0] = __VERIFIER_nondet_uchar() [L70] EXPR BOOL_unsigned_char_Array_0[1][0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_char_Array_0={9:0}] [L70] CALL assume_abort_if_not(BOOL_unsigned_char_Array_0[1][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, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_char_Array_0={9:0}] [L20] COND FALSE !(!cond) [L70] RET assume_abort_if_not(BOOL_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, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_char_Array_0={9:0}] [L71] EXPR BOOL_unsigned_char_Array_0[1][0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_char_Array_0={9:0}] [L71] CALL assume_abort_if_not(BOOL_unsigned_char_Array_0[1][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, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_char_Array_0={9:0}] [L20] COND FALSE !(!cond) [L71] RET assume_abort_if_not(BOOL_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, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_char_Array_0={9:0}] [L72] BOOL_unsigned_char_Array_0[1][1] = __VERIFIER_nondet_uchar() [L73] EXPR BOOL_unsigned_char_Array_0[1][1] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_char_Array_0={9:0}] [L73] CALL assume_abort_if_not(BOOL_unsigned_char_Array_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, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_char_Array_0={9:0}] [L20] COND FALSE !(!cond) [L73] RET assume_abort_if_not(BOOL_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, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_char_Array_0={9:0}] [L74] EXPR BOOL_unsigned_char_Array_0[1][1] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_char_Array_0={9:0}] [L74] CALL assume_abort_if_not(BOOL_unsigned_char_Array_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, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_char_Array_0={9:0}] [L20] COND FALSE !(!cond) [L74] RET assume_abort_if_not(BOOL_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, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_char_Array_0={9:0}] [L75] BOOL_unsigned_char_Array_0[0][2] = __VERIFIER_nondet_uchar() [L76] EXPR BOOL_unsigned_char_Array_0[0][2] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_char_Array_0={9:0}] [L76] CALL assume_abort_if_not(BOOL_unsigned_char_Array_0[0][2] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_char_Array_0={9:0}] [L20] COND FALSE !(!cond) [L76] RET assume_abort_if_not(BOOL_unsigned_char_Array_0[0][2] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_char_Array_0={9:0}] [L77] EXPR BOOL_unsigned_char_Array_0[0][2] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_char_Array_0={9:0}] [L77] CALL assume_abort_if_not(BOOL_unsigned_char_Array_0[0][2] <= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_char_Array_0={9:0}] [L20] COND FALSE !(!cond) [L77] RET assume_abort_if_not(BOOL_unsigned_char_Array_0[0][2] <= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_char_Array_0={9:0}] [L78] BOOL_unsigned_char_Array_0[1][2] = __VERIFIER_nondet_uchar() [L79] EXPR BOOL_unsigned_char_Array_0[1][2] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_char_Array_0={9:0}] [L79] CALL assume_abort_if_not(BOOL_unsigned_char_Array_0[1][2] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_char_Array_0={9:0}] [L20] COND FALSE !(!cond) [L79] RET assume_abort_if_not(BOOL_unsigned_char_Array_0[1][2] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_char_Array_0={9:0}] [L80] EXPR BOOL_unsigned_char_Array_0[1][2] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_char_Array_0={9:0}] [L80] CALL assume_abort_if_not(BOOL_unsigned_char_Array_0[1][2] <= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_char_Array_0={9:0}] [L20] COND FALSE !(!cond) [L80] RET assume_abort_if_not(BOOL_unsigned_char_Array_0[1][2] <= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_char_Array_0={9:0}] [L81] double_Array_0[0] = __VERIFIER_nondet_double() [L82] EXPR double_Array_0[0] [L82] EXPR double_Array_0[0] >= 0.0F && double_Array_0[0] <= -1.0e-20F [L82] EXPR double_Array_0[0] [L82] EXPR double_Array_0[0] >= 0.0F && double_Array_0[0] <= -1.0e-20F [L82] EXPR (double_Array_0[0] >= 0.0F && double_Array_0[0] <= -1.0e-20F) || (double_Array_0[0] <= 9223372.036854776000e+12F && double_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, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_char_Array_0={9:0}] [L82] CALL assume_abort_if_not((double_Array_0[0] >= 0.0F && double_Array_0[0] <= -1.0e-20F) || (double_Array_0[0] <= 9223372.036854776000e+12F && double_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, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_char_Array_0={9:0}] [L20] COND FALSE !(!cond) [L82] RET assume_abort_if_not((double_Array_0[0] >= 0.0F && double_Array_0[0] <= -1.0e-20F) || (double_Array_0[0] <= 9223372.036854776000e+12F && double_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, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_char_Array_0={9:0}] [L83] float_Array_0[1] = __VERIFIER_nondet_float() [L84] EXPR float_Array_0[1] [L84] EXPR float_Array_0[1] >= -922337.2036854765600e+13F && float_Array_0[1] <= -1.0e-20F [L84] EXPR float_Array_0[1] [L84] EXPR float_Array_0[1] >= -922337.2036854765600e+13F && float_Array_0[1] <= -1.0e-20F [L84] 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, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_char_Array_0={9:0}] [L84] 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, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_char_Array_0={9:0}] [L20] COND FALSE !(!cond) [L84] 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, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_char_Array_0={9:0}] [L85] signed_char_Array_0[0][0] = __VERIFIER_nondet_char() [L86] EXPR signed_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, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_char_Array_0={9:0}] [L86] CALL assume_abort_if_not(signed_char_Array_0[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, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_char_Array_0={9:0}] [L20] COND FALSE !(!cond) [L86] RET assume_abort_if_not(signed_char_Array_0[0][0] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_char_Array_0={9:0}] [L87] EXPR signed_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, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_char_Array_0={9:0}] [L87] CALL assume_abort_if_not(signed_char_Array_0[0][0] <= 127) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_char_Array_0={9:0}] [L20] COND FALSE !(!cond) [L87] RET assume_abort_if_not(signed_char_Array_0[0][0] <= 127) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_char_Array_0={9:0}] [L88] signed_char_Array_0[1][0] = __VERIFIER_nondet_char() [L89] EXPR signed_char_Array_0[1][0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_char_Array_0={9:0}] [L89] CALL assume_abort_if_not(signed_char_Array_0[1][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, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_char_Array_0={9:0}] [L20] COND FALSE !(!cond) [L89] RET assume_abort_if_not(signed_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, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_char_Array_0={9:0}] [L90] EXPR signed_char_Array_0[1][0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_char_Array_0={9:0}] [L90] CALL assume_abort_if_not(signed_char_Array_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, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_char_Array_0={9:0}] [L20] COND FALSE !(!cond) [L90] RET assume_abort_if_not(signed_char_Array_0[1][0] <= 127) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_char_Array_0={9:0}] [L91] signed_char_Array_0[0][1] = __VERIFIER_nondet_char() [L92] EXPR signed_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, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_char_Array_0={9:0}] [L92] CALL assume_abort_if_not(signed_char_Array_0[0][1] >= -128) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_char_Array_0={9:0}] [L20] COND FALSE !(!cond) [L92] RET assume_abort_if_not(signed_char_Array_0[0][1] >= -128) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_char_Array_0={9:0}] [L93] EXPR signed_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, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_char_Array_0={9:0}] [L93] CALL assume_abort_if_not(signed_char_Array_0[0][1] <= 127) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_char_Array_0={9:0}] [L20] COND FALSE !(!cond) [L93] RET assume_abort_if_not(signed_char_Array_0[0][1] <= 127) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_char_Array_0={9:0}] [L94] signed_char_Array_0[1][1] = __VERIFIER_nondet_char() [L95] EXPR signed_char_Array_0[1][1] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_char_Array_0={9:0}] [L95] CALL assume_abort_if_not(signed_char_Array_0[1][1] >= -128) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_char_Array_0={9:0}] [L20] COND FALSE !(!cond) [L95] RET assume_abort_if_not(signed_char_Array_0[1][1] >= -128) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_char_Array_0={9:0}] [L96] EXPR signed_char_Array_0[1][1] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_char_Array_0={9:0}] [L96] CALL assume_abort_if_not(signed_char_Array_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, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_char_Array_0={9:0}] [L20] COND FALSE !(!cond) [L96] RET assume_abort_if_not(signed_char_Array_0[1][1] <= 127) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_char_Array_0={9:0}] [L97] unsigned_char_Array_0[0] = __VERIFIER_nondet_uchar() [L98] EXPR 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, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_char_Array_0={9:0}] [L98] CALL assume_abort_if_not(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, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_char_Array_0={9:0}] [L20] COND FALSE !(!cond) [L98] RET assume_abort_if_not(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, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_char_Array_0={9:0}] [L99] EXPR 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, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_char_Array_0={9:0}] [L99] CALL assume_abort_if_not(unsigned_char_Array_0[0] <= 255) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_char_Array_0={9:0}] [L20] COND FALSE !(!cond) [L99] RET assume_abort_if_not(unsigned_char_Array_0[0] <= 255) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_char_Array_0={9:0}] [L100] EXPR 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, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_char_Array_0={9:0}] [L100] CALL assume_abort_if_not(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, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_char_Array_0={9:0}] [L20] COND FALSE !(!cond) [L100] RET assume_abort_if_not(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, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_char_Array_0={9:0}] [L113] RET updateVariables() [L114] CALL step() [L43] EXPR signed_char_Array_0[0][1] [L43] EXPR signed_char_Array_0[1][1] [L43] EXPR ((signed_char_Array_0[0][1]) < (signed_char_Array_0[1][1])) ? (signed_char_Array_0[0][1]) : (signed_char_Array_0[1][1]) [L43] EXPR signed_char_Array_0[0][1] [L43] EXPR ((signed_char_Array_0[0][1]) < (signed_char_Array_0[1][1])) ? (signed_char_Array_0[0][1]) : (signed_char_Array_0[1][1]) [L43] EXPR unsigned_char_Array_0[0] [L43] signed long int stepLocal_1 = ((((signed_char_Array_0[0][1]) < (signed_char_Array_0[1][1])) ? (signed_char_Array_0[0][1]) : (signed_char_Array_0[1][1]))) / unsigned_char_Array_0[0]; [L44] EXPR signed_char_Array_0[1][0] [L44] EXPR signed_char_Array_0[0][0] [L44] signed long int stepLocal_0 = signed_char_Array_0[1][0] - signed_char_Array_0[0][0]; [L45] EXPR signed_char_Array_0[0][1] [L45] COND TRUE signed_char_Array_0[0][1] > stepLocal_0 [L46] EXPR signed_char_Array_0[0][0] [L46] COND TRUE stepLocal_1 <= signed_char_Array_0[0][0] [L47] EXPR unsigned_char_Array_0[0] [L47] signed_long_int_Array_0[0] = unsigned_char_Array_0[0] [L52] EXPR float_Array_0[1] [L52] float_Array_0[0] = float_Array_0[1] [L53] EXPR double_Array_0[0] [L53] EXPR float_Array_0[0] [L53] EXPR ((float_Array_0[0]) < 0 ) ? -(float_Array_0[0]) : (float_Array_0[0]) [L53] EXPR float_Array_0[0] [L53] EXPR ((float_Array_0[0]) < 0 ) ? -(float_Array_0[0]) : (float_Array_0[0]) [L53] EXPR float_Array_0[0] [L53] COND FALSE !((double_Array_0[0] - ((((float_Array_0[0]) < 0 ) ? -(float_Array_0[0]) : (float_Array_0[0])))) >= float_Array_0[0]) [L56] EXPR signed_long_int_Array_0[0] [L56] signed long int stepLocal_3 = signed_long_int_Array_0[0]; [L57] EXPR signed_long_int_Array_0[0] [L57] EXPR signed_long_int_Array_0[0] [L57] EXPR signed_char_Array_0[0][0] [L57] signed long int stepLocal_2 = signed_long_int_Array_0[0] * (signed_long_int_Array_0[0] * signed_char_Array_0[0][0]); [L58] BOOL_unsigned_char_Array_0[0][1] [L58] COND TRUE BOOL_unsigned_char_Array_0[0][1] [L59] EXPR signed_long_int_Array_0[0] [L59] COND FALSE !(stepLocal_3 > signed_long_int_Array_0[0]) [L62] EXPR signed_long_int_Array_0[0] [L62] EXPR unsigned_char_Array_0[0] [L62] COND TRUE (signed_long_int_Array_0[0] % unsigned_char_Array_0[0]) < stepLocal_2 [L63] EXPR BOOL_unsigned_char_Array_0[1][0] [L63] BOOL_unsigned_char_Array_0[0][0] = BOOL_unsigned_char_Array_0[1][0] [L114] RET step() [L115] CALL, EXPR property() [L105] EXPR signed_char_Array_0[0][1] [L105] EXPR signed_char_Array_0[1][0] [L105] EXPR signed_char_Array_0[0][0] [L105] EXPR (signed_char_Array_0[0][1] > (signed_char_Array_0[1][0] - signed_char_Array_0[0][0])) ? (((((((signed_char_Array_0[0][1]) < (signed_char_Array_0[1][1])) ? (signed_char_Array_0[0][1]) : (signed_char_Array_0[1][1]))) / unsigned_char_Array_0[0]) <= signed_char_Array_0[0][0]) ? (signed_long_int_Array_0[0] == ((signed long int) unsigned_char_Array_0[0])) : 1) : (signed_long_int_Array_0[0] == ((signed long int) signed_char_Array_0[1][1])) [L105] EXPR signed_char_Array_0[0][1] [L105] EXPR signed_char_Array_0[1][1] [L105] EXPR ((signed_char_Array_0[0][1]) < (signed_char_Array_0[1][1])) ? (signed_char_Array_0[0][1]) : (signed_char_Array_0[1][1]) [L105] EXPR signed_char_Array_0[0][1] [L105] EXPR ((signed_char_Array_0[0][1]) < (signed_char_Array_0[1][1])) ? (signed_char_Array_0[0][1]) : (signed_char_Array_0[1][1]) [L105] EXPR unsigned_char_Array_0[0] [L105] EXPR signed_char_Array_0[0][0] [L105] EXPR ((((((signed_char_Array_0[0][1]) < (signed_char_Array_0[1][1])) ? (signed_char_Array_0[0][1]) : (signed_char_Array_0[1][1]))) / unsigned_char_Array_0[0]) <= signed_char_Array_0[0][0]) ? (signed_long_int_Array_0[0] == ((signed long int) unsigned_char_Array_0[0])) : 1 [L105] EXPR signed_long_int_Array_0[0] [L105] EXPR unsigned_char_Array_0[0] [L105] EXPR ((((((signed_char_Array_0[0][1]) < (signed_char_Array_0[1][1])) ? (signed_char_Array_0[0][1]) : (signed_char_Array_0[1][1]))) / unsigned_char_Array_0[0]) <= signed_char_Array_0[0][0]) ? (signed_long_int_Array_0[0] == ((signed long int) unsigned_char_Array_0[0])) : 1 [L105] EXPR (signed_char_Array_0[0][1] > (signed_char_Array_0[1][0] - signed_char_Array_0[0][0])) ? (((((((signed_char_Array_0[0][1]) < (signed_char_Array_0[1][1])) ? (signed_char_Array_0[0][1]) : (signed_char_Array_0[1][1]))) / unsigned_char_Array_0[0]) <= signed_char_Array_0[0][0]) ? (signed_long_int_Array_0[0] == ((signed long int) unsigned_char_Array_0[0])) : 1) : (signed_long_int_Array_0[0] == ((signed long int) signed_char_Array_0[1][1])) [L105] EXPR ((signed_char_Array_0[0][1] > (signed_char_Array_0[1][0] - signed_char_Array_0[0][0])) ? (((((((signed_char_Array_0[0][1]) < (signed_char_Array_0[1][1])) ? (signed_char_Array_0[0][1]) : (signed_char_Array_0[1][1]))) / unsigned_char_Array_0[0]) <= signed_char_Array_0[0][0]) ? (signed_long_int_Array_0[0] == ((signed long int) unsigned_char_Array_0[0])) : 1) : (signed_long_int_Array_0[0] == ((signed long int) signed_char_Array_0[1][1]))) && (BOOL_unsigned_char_Array_0[0][1] ? ((signed_long_int_Array_0[0] > signed_long_int_Array_0[0]) ? (BOOL_unsigned_char_Array_0[0][0] == ((unsigned char) (! BOOL_unsigned_char_Array_0[1][0]))) : (((signed_long_int_Array_0[0] % unsigned_char_Array_0[0]) < (signed_long_int_Array_0[0] * (signed_long_int_Array_0[0] * signed_char_Array_0[0][0]))) ? (BOOL_unsigned_char_Array_0[0][0] == ((unsigned char) BOOL_unsigned_char_Array_0[1][0])) : 1)) : 1) [L105] EXPR BOOL_unsigned_char_Array_0[0][1] [L105] EXPR BOOL_unsigned_char_Array_0[0][1] ? ((signed_long_int_Array_0[0] > signed_long_int_Array_0[0]) ? (BOOL_unsigned_char_Array_0[0][0] == ((unsigned char) (! BOOL_unsigned_char_Array_0[1][0]))) : (((signed_long_int_Array_0[0] % unsigned_char_Array_0[0]) < (signed_long_int_Array_0[0] * (signed_long_int_Array_0[0] * signed_char_Array_0[0][0]))) ? (BOOL_unsigned_char_Array_0[0][0] == ((unsigned char) BOOL_unsigned_char_Array_0[1][0])) : 1)) : 1 [L105] EXPR signed_long_int_Array_0[0] [L105] EXPR signed_long_int_Array_0[0] [L105] EXPR (signed_long_int_Array_0[0] > signed_long_int_Array_0[0]) ? (BOOL_unsigned_char_Array_0[0][0] == ((unsigned char) (! BOOL_unsigned_char_Array_0[1][0]))) : (((signed_long_int_Array_0[0] % unsigned_char_Array_0[0]) < (signed_long_int_Array_0[0] * (signed_long_int_Array_0[0] * signed_char_Array_0[0][0]))) ? (BOOL_unsigned_char_Array_0[0][0] == ((unsigned char) BOOL_unsigned_char_Array_0[1][0])) : 1) [L105] EXPR signed_long_int_Array_0[0] [L105] EXPR unsigned_char_Array_0[0] [L105] EXPR signed_long_int_Array_0[0] [L105] EXPR signed_long_int_Array_0[0] [L105] EXPR signed_char_Array_0[0][0] [L105] EXPR ((signed_long_int_Array_0[0] % unsigned_char_Array_0[0]) < (signed_long_int_Array_0[0] * (signed_long_int_Array_0[0] * signed_char_Array_0[0][0]))) ? (BOOL_unsigned_char_Array_0[0][0] == ((unsigned char) BOOL_unsigned_char_Array_0[1][0])) : 1 [L105] EXPR BOOL_unsigned_char_Array_0[0][0] [L105] EXPR BOOL_unsigned_char_Array_0[1][0] [L105] EXPR ((signed_long_int_Array_0[0] % unsigned_char_Array_0[0]) < (signed_long_int_Array_0[0] * (signed_long_int_Array_0[0] * signed_char_Array_0[0][0]))) ? (BOOL_unsigned_char_Array_0[0][0] == ((unsigned char) BOOL_unsigned_char_Array_0[1][0])) : 1 [L105] EXPR (signed_long_int_Array_0[0] > signed_long_int_Array_0[0]) ? (BOOL_unsigned_char_Array_0[0][0] == ((unsigned char) (! BOOL_unsigned_char_Array_0[1][0]))) : (((signed_long_int_Array_0[0] % unsigned_char_Array_0[0]) < (signed_long_int_Array_0[0] * (signed_long_int_Array_0[0] * signed_char_Array_0[0][0]))) ? (BOOL_unsigned_char_Array_0[0][0] == ((unsigned char) BOOL_unsigned_char_Array_0[1][0])) : 1) [L105] EXPR BOOL_unsigned_char_Array_0[0][1] ? ((signed_long_int_Array_0[0] > signed_long_int_Array_0[0]) ? (BOOL_unsigned_char_Array_0[0][0] == ((unsigned char) (! BOOL_unsigned_char_Array_0[1][0]))) : (((signed_long_int_Array_0[0] % unsigned_char_Array_0[0]) < (signed_long_int_Array_0[0] * (signed_long_int_Array_0[0] * signed_char_Array_0[0][0]))) ? (BOOL_unsigned_char_Array_0[0][0] == ((unsigned char) BOOL_unsigned_char_Array_0[1][0])) : 1)) : 1 [L105] EXPR ((signed_char_Array_0[0][1] > (signed_char_Array_0[1][0] - signed_char_Array_0[0][0])) ? (((((((signed_char_Array_0[0][1]) < (signed_char_Array_0[1][1])) ? (signed_char_Array_0[0][1]) : (signed_char_Array_0[1][1]))) / unsigned_char_Array_0[0]) <= signed_char_Array_0[0][0]) ? (signed_long_int_Array_0[0] == ((signed long int) unsigned_char_Array_0[0])) : 1) : (signed_long_int_Array_0[0] == ((signed long int) signed_char_Array_0[1][1]))) && (BOOL_unsigned_char_Array_0[0][1] ? ((signed_long_int_Array_0[0] > signed_long_int_Array_0[0]) ? (BOOL_unsigned_char_Array_0[0][0] == ((unsigned char) (! BOOL_unsigned_char_Array_0[1][0]))) : (((signed_long_int_Array_0[0] % unsigned_char_Array_0[0]) < (signed_long_int_Array_0[0] * (signed_long_int_Array_0[0] * signed_char_Array_0[0][0]))) ? (BOOL_unsigned_char_Array_0[0][0] == ((unsigned char) BOOL_unsigned_char_Array_0[1][0])) : 1)) : 1) [L105] EXPR (((signed_char_Array_0[0][1] > (signed_char_Array_0[1][0] - signed_char_Array_0[0][0])) ? (((((((signed_char_Array_0[0][1]) < (signed_char_Array_0[1][1])) ? (signed_char_Array_0[0][1]) : (signed_char_Array_0[1][1]))) / unsigned_char_Array_0[0]) <= signed_char_Array_0[0][0]) ? (signed_long_int_Array_0[0] == ((signed long int) unsigned_char_Array_0[0])) : 1) : (signed_long_int_Array_0[0] == ((signed long int) signed_char_Array_0[1][1]))) && (BOOL_unsigned_char_Array_0[0][1] ? ((signed_long_int_Array_0[0] > signed_long_int_Array_0[0]) ? (BOOL_unsigned_char_Array_0[0][0] == ((unsigned char) (! BOOL_unsigned_char_Array_0[1][0]))) : (((signed_long_int_Array_0[0] % unsigned_char_Array_0[0]) < (signed_long_int_Array_0[0] * (signed_long_int_Array_0[0] * signed_char_Array_0[0][0]))) ? (BOOL_unsigned_char_Array_0[0][0] == ((unsigned char) BOOL_unsigned_char_Array_0[1][0])) : 1)) : 1)) && (((double_Array_0[0] - ((((float_Array_0[0]) < 0 ) ? -(float_Array_0[0]) : (float_Array_0[0])))) >= float_Array_0[0]) ? (BOOL_unsigned_char_Array_0[0][1] == ((unsigned char) (((signed_char_Array_0[0][0] < signed_long_int_Array_0[0]) && BOOL_unsigned_char_Array_0[1][2]) || (BOOL_unsigned_char_Array_0[1][1] || BOOL_unsigned_char_Array_0[0][2])))) : 1) [L105] EXPR double_Array_0[0] [L105] EXPR float_Array_0[0] [L105] EXPR ((float_Array_0[0]) < 0 ) ? -(float_Array_0[0]) : (float_Array_0[0]) [L105] EXPR float_Array_0[0] [L105] EXPR ((float_Array_0[0]) < 0 ) ? -(float_Array_0[0]) : (float_Array_0[0]) [L105] EXPR float_Array_0[0] [L105] EXPR ((double_Array_0[0] - ((((float_Array_0[0]) < 0 ) ? -(float_Array_0[0]) : (float_Array_0[0])))) >= float_Array_0[0]) ? (BOOL_unsigned_char_Array_0[0][1] == ((unsigned char) (((signed_char_Array_0[0][0] < signed_long_int_Array_0[0]) && BOOL_unsigned_char_Array_0[1][2]) || (BOOL_unsigned_char_Array_0[1][1] || BOOL_unsigned_char_Array_0[0][2])))) : 1 [L105] EXPR BOOL_unsigned_char_Array_0[0][1] [L105] EXPR signed_char_Array_0[0][0] [L105] EXPR signed_long_int_Array_0[0] [L105] EXPR (signed_char_Array_0[0][0] < signed_long_int_Array_0[0]) && BOOL_unsigned_char_Array_0[1][2] [L105] EXPR ((signed_char_Array_0[0][0] < signed_long_int_Array_0[0]) && BOOL_unsigned_char_Array_0[1][2]) || (BOOL_unsigned_char_Array_0[1][1] || BOOL_unsigned_char_Array_0[0][2]) [L105] EXPR BOOL_unsigned_char_Array_0[1][1] [L105] EXPR BOOL_unsigned_char_Array_0[1][1] || BOOL_unsigned_char_Array_0[0][2] [L105] EXPR BOOL_unsigned_char_Array_0[0][2] [L105] EXPR BOOL_unsigned_char_Array_0[1][1] || BOOL_unsigned_char_Array_0[0][2] [L105] EXPR ((signed_char_Array_0[0][0] < signed_long_int_Array_0[0]) && BOOL_unsigned_char_Array_0[1][2]) || (BOOL_unsigned_char_Array_0[1][1] || BOOL_unsigned_char_Array_0[0][2]) [L105] EXPR ((double_Array_0[0] - ((((float_Array_0[0]) < 0 ) ? -(float_Array_0[0]) : (float_Array_0[0])))) >= float_Array_0[0]) ? (BOOL_unsigned_char_Array_0[0][1] == ((unsigned char) (((signed_char_Array_0[0][0] < signed_long_int_Array_0[0]) && BOOL_unsigned_char_Array_0[1][2]) || (BOOL_unsigned_char_Array_0[1][1] || BOOL_unsigned_char_Array_0[0][2])))) : 1 [L105] EXPR (((signed_char_Array_0[0][1] > (signed_char_Array_0[1][0] - signed_char_Array_0[0][0])) ? (((((((signed_char_Array_0[0][1]) < (signed_char_Array_0[1][1])) ? (signed_char_Array_0[0][1]) : (signed_char_Array_0[1][1]))) / unsigned_char_Array_0[0]) <= signed_char_Array_0[0][0]) ? (signed_long_int_Array_0[0] == ((signed long int) unsigned_char_Array_0[0])) : 1) : (signed_long_int_Array_0[0] == ((signed long int) signed_char_Array_0[1][1]))) && (BOOL_unsigned_char_Array_0[0][1] ? ((signed_long_int_Array_0[0] > signed_long_int_Array_0[0]) ? (BOOL_unsigned_char_Array_0[0][0] == ((unsigned char) (! BOOL_unsigned_char_Array_0[1][0]))) : (((signed_long_int_Array_0[0] % unsigned_char_Array_0[0]) < (signed_long_int_Array_0[0] * (signed_long_int_Array_0[0] * signed_char_Array_0[0][0]))) ? (BOOL_unsigned_char_Array_0[0][0] == ((unsigned char) BOOL_unsigned_char_Array_0[1][0])) : 1)) : 1)) && (((double_Array_0[0] - ((((float_Array_0[0]) < 0 ) ? -(float_Array_0[0]) : (float_Array_0[0])))) >= float_Array_0[0]) ? (BOOL_unsigned_char_Array_0[0][1] == ((unsigned char) (((signed_char_Array_0[0][0] < signed_long_int_Array_0[0]) && BOOL_unsigned_char_Array_0[1][2]) || (BOOL_unsigned_char_Array_0[1][1] || BOOL_unsigned_char_Array_0[0][2])))) : 1) [L105] EXPR ((((signed_char_Array_0[0][1] > (signed_char_Array_0[1][0] - signed_char_Array_0[0][0])) ? (((((((signed_char_Array_0[0][1]) < (signed_char_Array_0[1][1])) ? (signed_char_Array_0[0][1]) : (signed_char_Array_0[1][1]))) / unsigned_char_Array_0[0]) <= signed_char_Array_0[0][0]) ? (signed_long_int_Array_0[0] == ((signed long int) unsigned_char_Array_0[0])) : 1) : (signed_long_int_Array_0[0] == ((signed long int) signed_char_Array_0[1][1]))) && (BOOL_unsigned_char_Array_0[0][1] ? ((signed_long_int_Array_0[0] > signed_long_int_Array_0[0]) ? (BOOL_unsigned_char_Array_0[0][0] == ((unsigned char) (! BOOL_unsigned_char_Array_0[1][0]))) : (((signed_long_int_Array_0[0] % unsigned_char_Array_0[0]) < (signed_long_int_Array_0[0] * (signed_long_int_Array_0[0] * signed_char_Array_0[0][0]))) ? (BOOL_unsigned_char_Array_0[0][0] == ((unsigned char) BOOL_unsigned_char_Array_0[1][0])) : 1)) : 1)) && (((double_Array_0[0] - ((((float_Array_0[0]) < 0 ) ? -(float_Array_0[0]) : (float_Array_0[0])))) >= float_Array_0[0]) ? (BOOL_unsigned_char_Array_0[0][1] == ((unsigned char) (((signed_char_Array_0[0][0] < signed_long_int_Array_0[0]) && BOOL_unsigned_char_Array_0[1][2]) || (BOOL_unsigned_char_Array_0[1][1] || BOOL_unsigned_char_Array_0[0][2])))) : 1)) && (float_Array_0[0] == ((float) float_Array_0[1])) [L105-L106] return ((((signed_char_Array_0[0][1] > (signed_char_Array_0[1][0] - signed_char_Array_0[0][0])) ? (((((((signed_char_Array_0[0][1]) < (signed_char_Array_0[1][1])) ? (signed_char_Array_0[0][1]) : (signed_char_Array_0[1][1]))) / unsigned_char_Array_0[0]) <= signed_char_Array_0[0][0]) ? (signed_long_int_Array_0[0] == ((signed long int) unsigned_char_Array_0[0])) : 1) : (signed_long_int_Array_0[0] == ((signed long int) signed_char_Array_0[1][1]))) && (BOOL_unsigned_char_Array_0[0][1] ? ((signed_long_int_Array_0[0] > signed_long_int_Array_0[0]) ? (BOOL_unsigned_char_Array_0[0][0] == ((unsigned char) (! BOOL_unsigned_char_Array_0[1][0]))) : (((signed_long_int_Array_0[0] % unsigned_char_Array_0[0]) < (signed_long_int_Array_0[0] * (signed_long_int_Array_0[0] * signed_char_Array_0[0][0]))) ? (BOOL_unsigned_char_Array_0[0][0] == ((unsigned char) BOOL_unsigned_char_Array_0[1][0])) : 1)) : 1)) && (((double_Array_0[0] - ((((float_Array_0[0]) < 0 ) ? -(float_Array_0[0]) : (float_Array_0[0])))) >= float_Array_0[0]) ? (BOOL_unsigned_char_Array_0[0][1] == ((unsigned char) (((signed_char_Array_0[0][0] < signed_long_int_Array_0[0]) && BOOL_unsigned_char_Array_0[1][2]) || (BOOL_unsigned_char_Array_0[1][1] || BOOL_unsigned_char_Array_0[0][2])))) : 1)) && (float_Array_0[0] == ((float) float_Array_0[1])) ; [L115] RET, EXPR property() [L115] 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, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_char_Array_0={9:0}] [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, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_char_Array_0={9:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 51 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 3.1s, OverallIterations: 1, TraceHistogramMax: 21, 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=51occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 1.3s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 88 NumberOfCodeBlocks, 88 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 23:50:36,744 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bcc0ece-5199-48ae-9c67-45c60569f8ad/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bcc0ece-5199-48ae-9c67-45c60569f8ad/bin/utaipan-verify-SwPr7d2a91/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bcc0ece-5199-48ae-9c67-45c60569f8ad/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_6bcc0ece-5199-48ae-9c67-45c60569f8ad/bin/utaipan-verify-SwPr7d2a91/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bcc0ece-5199-48ae-9c67-45c60569f8ad/bin/utaipan-verify-SwPr7d2a91/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-44.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bcc0ece-5199-48ae-9c67-45c60569f8ad/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_6bcc0ece-5199-48ae-9c67-45c60569f8ad/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 eaa60ed61738bb84f21e0e7461cdcc453d531566de1a87a0cbf8ab788e5233b0 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 23:50:39,686 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:50:39,827 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bcc0ece-5199-48ae-9c67-45c60569f8ad/bin/utaipan-verify-SwPr7d2a91/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2023-11-24 23:50:39,836 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 23:50:39,837 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-24 23:50:39,889 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:50:39,890 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-24 23:50:39,891 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-24 23:50:39,892 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 23:50:39,898 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-24 23:50:39,899 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-24 23:50:39,899 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-24 23:50:39,900 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-24 23:50:39,902 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-24 23:50:39,903 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-24 23:50:39,903 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-24 23:50:39,905 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:50:39,905 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 23:50:39,906 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 23:50:39,907 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 23:50:39,908 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:50:39,909 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 23:50:39,909 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:50:39,910 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 23:50:39,910 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-24 23:50:39,911 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-24 23:50:39,911 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-24 23:50:39,912 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 23:50:39,913 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 23:50:39,913 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:50:39,915 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:50:39,915 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-24 23:50:39,916 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-24 23:50:39,916 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-24 23:50:39,916 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-24 23:50:39,917 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:50:39,918 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:50:39,918 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 23:50:39,918 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-24 23:50:39,919 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-24 23:50:39,920 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-24 23:50:39,920 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 23:50:39,921 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-24 23:50:39,921 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-24 23:50:39,922 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_6bcc0ece-5199-48ae-9c67-45c60569f8ad/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bcc0ece-5199-48ae-9c67-45c60569f8ad/bin/utaipan-verify-SwPr7d2a91 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> eaa60ed61738bb84f21e0e7461cdcc453d531566de1a87a0cbf8ab788e5233b0 [2023-11-24 23:50:40,436 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:50:40,471 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:50:40,474 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:50:40,475 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:50:40,476 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:50:40,478 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bcc0ece-5199-48ae-9c67-45c60569f8ad/bin/utaipan-verify-SwPr7d2a91/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-44.i [2023-11-24 23:50:43,765 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:50:44,038 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:50:44,039 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bcc0ece-5199-48ae-9c67-45c60569f8ad/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-44.i [2023-11-24 23:50:44,049 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bcc0ece-5199-48ae-9c67-45c60569f8ad/bin/utaipan-verify-SwPr7d2a91/data/f3afbbde8/222716bf34cb4b3598155daf2b98277b/FLAG55c92af86 [2023-11-24 23:50:44,076 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bcc0ece-5199-48ae-9c67-45c60569f8ad/bin/utaipan-verify-SwPr7d2a91/data/f3afbbde8/222716bf34cb4b3598155daf2b98277b [2023-11-24 23:50:44,085 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:50:44,087 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:50:44,093 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:50:44,094 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:50:44,102 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:50:44,106 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:50:44" (1/1) ... [2023-11-24 23:50:44,108 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@47cf37b9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:50:44, skipping insertion in model container [2023-11-24 23:50:44,108 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:50:44" (1/1) ... [2023-11-24 23:50:44,157 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:50:44,370 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bcc0ece-5199-48ae-9c67-45c60569f8ad/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-44.i[916,929] [2023-11-24 23:50:44,490 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:50:44,525 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 23:50:44,542 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_6bcc0ece-5199-48ae-9c67-45c60569f8ad/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-44.i[916,929] [2023-11-24 23:50:44,597 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:50:44,654 INFO L206 MainTranslator]: Completed translation [2023-11-24 23:50:44,654 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:50:44 WrapperNode [2023-11-24 23:50:44,654 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:50:44,656 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 23:50:44,656 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 23:50:44,656 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 23:50:44,664 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:50:44" (1/1) ... [2023-11-24 23:50:44,718 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:50:44" (1/1) ... [2023-11-24 23:50:44,794 INFO L138 Inliner]: procedures = 36, calls = 169, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 437 [2023-11-24 23:50:44,798 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 23:50:44,800 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 23:50:44,800 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 23:50:44,800 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 23:50:44,812 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:50:44" (1/1) ... [2023-11-24 23:50:44,812 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:50:44" (1/1) ... [2023-11-24 23:50:44,831 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:50:44" (1/1) ... [2023-11-24 23:50:44,844 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:50:44" (1/1) ... [2023-11-24 23:50:44,884 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:50:44" (1/1) ... [2023-11-24 23:50:44,904 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:50:44" (1/1) ... [2023-11-24 23:50:44,908 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:50:44" (1/1) ... [2023-11-24 23:50:44,913 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:50:44" (1/1) ... [2023-11-24 23:50:44,927 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 23:50:44,935 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 23:50:44,935 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 23:50:44,935 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 23:50:44,936 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:50:44" (1/1) ... [2023-11-24 23:50:44,943 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-24 23:50:44,963 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bcc0ece-5199-48ae-9c67-45c60569f8ad/bin/utaipan-verify-SwPr7d2a91/z3 [2023-11-24 23:50:44,977 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bcc0ece-5199-48ae-9c67-45c60569f8ad/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-24 23:50:45,003 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bcc0ece-5199-48ae-9c67-45c60569f8ad/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-24 23:50:45,038 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 23:50:45,039 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2023-11-24 23:50:45,039 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2023-11-24 23:50:45,039 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2023-11-24 23:50:45,040 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-24 23:50:45,040 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2023-11-24 23:50:45,040 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2023-11-24 23:50:45,042 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8 [2023-11-24 23:50:45,043 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-24 23:50:45,043 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2023-11-24 23:50:45,043 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4 [2023-11-24 23:50:45,043 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-24 23:50:45,044 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-24 23:50:45,044 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 23:50:45,044 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 23:50:45,045 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2023-11-24 23:50:45,045 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-24 23:50:45,225 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 23:50:45,228 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 23:50:50,404 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 23:50:50,480 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 23:50:50,480 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-24 23:50:50,482 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:50:50 BoogieIcfgContainer [2023-11-24 23:50:50,482 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 23:50:50,484 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-24 23:50:50,485 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-24 23:50:50,489 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-24 23:50:50,489 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 11:50:44" (1/3) ... [2023-11-24 23:50:50,490 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6c10c1ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 11:50:50, skipping insertion in model container [2023-11-24 23:50:50,491 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:50:44" (2/3) ... [2023-11-24 23:50:50,492 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6c10c1ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 11:50:50, skipping insertion in model container [2023-11-24 23:50:50,492 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:50:50" (3/3) ... [2023-11-24 23:50:50,494 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-a_file-44.i [2023-11-24 23:50:50,515 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-24 23:50:50,515 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-24 23:50:50,571 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-24 23:50:50,580 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;@7048150e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-24 23:50:50,581 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-24 23:50:50,588 INFO L276 IsEmpty]: Start isEmpty. Operand has 111 states, 87 states have (on average 1.4137931034482758) internal successors, (123), 88 states have internal predecessors, (123), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2023-11-24 23:50:50,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2023-11-24 23:50:50,608 INFO L187 NwaCegarLoop]: Found error trace [2023-11-24 23:50:50,609 INFO L195 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:50:50,609 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-24 23:50:50,617 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:50:50,617 INFO L85 PathProgramCache]: Analyzing trace with hash 247804695, now seen corresponding path program 1 times [2023-11-24 23:50:50,631 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-24 23:50:50,632 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1897239282] [2023-11-24 23:50:50,632 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:50:50,633 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 23:50:50,633 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bcc0ece-5199-48ae-9c67-45c60569f8ad/bin/utaipan-verify-SwPr7d2a91/mathsat [2023-11-24 23:50:50,636 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bcc0ece-5199-48ae-9c67-45c60569f8ad/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 23:50:50,637 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bcc0ece-5199-48ae-9c67-45c60569f8ad/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 23:50:51,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:50:51,132 INFO L262 TraceCheckSpWp]: Trace formula consists of 320 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-24 23:50:51,145 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:50:51,194 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 440 proven. 0 refuted. 0 times theorem prover too weak. 400 trivial. 0 not checked. [2023-11-24 23:50:51,194 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-24 23:50:51,195 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-24 23:50:51,195 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1897239282] [2023-11-24 23:50:51,196 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1897239282] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-24 23:50:51,196 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-24 23:50:51,197 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-24 23:50:51,198 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [381607211] [2023-11-24 23:50:51,199 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-24 23:50:51,204 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-24 23:50:51,205 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-24 23:50:51,236 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-24 23:50:51,237 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-24 23:50:51,240 INFO L87 Difference]: Start difference. First operand has 111 states, 87 states have (on average 1.4137931034482758) internal successors, (123), 88 states have internal predecessors, (123), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) Second operand has 2 states, 2 states have (on average 28.0) internal successors, (56), 2 states have internal predecessors, (56), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2023-11-24 23:50:51,303 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-24 23:50:51,303 INFO L93 Difference]: Finished difference Result 219 states and 349 transitions. [2023-11-24 23:50:51,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-24 23:50:51,306 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 28.0) internal successors, (56), 2 states have internal predecessors, (56), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 154 [2023-11-24 23:50:51,307 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-24 23:50:51,316 INFO L225 Difference]: With dead ends: 219 [2023-11-24 23:50:51,317 INFO L226 Difference]: Without dead ends: 109 [2023-11-24 23:50:51,321 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 153 GetRequests, 153 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 23:50:51,325 INFO L413 NwaCegarLoop]: 156 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, 156 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 23:50:51,327 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 156 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-24 23:50:51,345 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2023-11-24 23:50:51,376 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 109. [2023-11-24 23:50:51,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 109 states, 86 states have (on average 1.372093023255814) internal successors, (118), 86 states have internal predecessors, (118), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2023-11-24 23:50:51,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 160 transitions. [2023-11-24 23:50:51,383 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 160 transitions. Word has length 154 [2023-11-24 23:50:51,383 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-24 23:50:51,383 INFO L495 AbstractCegarLoop]: Abstraction has 109 states and 160 transitions. [2023-11-24 23:50:51,384 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 28.0) internal successors, (56), 2 states have internal predecessors, (56), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2023-11-24 23:50:51,384 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 160 transitions. [2023-11-24 23:50:51,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2023-11-24 23:50:51,400 INFO L187 NwaCegarLoop]: Found error trace [2023-11-24 23:50:51,401 INFO L195 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:50:51,418 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bcc0ece-5199-48ae-9c67-45c60569f8ad/bin/utaipan-verify-SwPr7d2a91/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2023-11-24 23:50:51,618 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bcc0ece-5199-48ae-9c67-45c60569f8ad/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 23:50:51,618 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-24 23:50:51,619 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:50:51,619 INFO L85 PathProgramCache]: Analyzing trace with hash 294632049, now seen corresponding path program 1 times [2023-11-24 23:50:51,621 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-24 23:50:51,622 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1087653971] [2023-11-24 23:50:51,622 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:50:51,622 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 23:50:51,623 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bcc0ece-5199-48ae-9c67-45c60569f8ad/bin/utaipan-verify-SwPr7d2a91/mathsat [2023-11-24 23:50:51,624 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bcc0ece-5199-48ae-9c67-45c60569f8ad/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 23:50:51,637 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bcc0ece-5199-48ae-9c67-45c60569f8ad/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 23:50:52,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:50:52,120 INFO L262 TraceCheckSpWp]: Trace formula consists of 320 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-24 23:50:52,128 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:50:52,231 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2023-11-24 23:50:52,231 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-24 23:50:52,231 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-24 23:50:52,232 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1087653971] [2023-11-24 23:50:52,232 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1087653971] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-24 23:50:52,233 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-24 23:50:52,233 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-24 23:50:52,237 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [766634033] [2023-11-24 23:50:52,238 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-24 23:50:52,242 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-24 23:50:52,242 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-24 23:50:52,244 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-24 23:50:52,245 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-24 23:50:52,246 INFO L87 Difference]: Start difference. First operand 109 states and 160 transitions. Second operand has 5 states, 5 states have (on average 10.4) internal successors, (52), 5 states have internal predecessors, (52), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2023-11-24 23:50:52,435 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-24 23:50:52,435 INFO L93 Difference]: Finished difference Result 226 states and 331 transitions. [2023-11-24 23:50:52,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-24 23:50:52,442 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.4) internal successors, (52), 5 states have internal predecessors, (52), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) Word has length 154 [2023-11-24 23:50:52,443 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-24 23:50:52,445 INFO L225 Difference]: With dead ends: 226 [2023-11-24 23:50:52,445 INFO L226 Difference]: Without dead ends: 118 [2023-11-24 23:50:52,446 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 156 GetRequests, 150 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 23:50:52,448 INFO L413 NwaCegarLoop]: 152 mSDtfsCounter, 10 mSDsluCounter, 448 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 600 SdHoareTripleChecker+Invalid, 40 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-24 23:50:52,448 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 600 Invalid, 40 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-24 23:50:52,450 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118 states. [2023-11-24 23:50:52,464 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118 to 113. [2023-11-24 23:50:52,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 113 states, 90 states have (on average 1.3555555555555556) internal successors, (122), 90 states have internal predecessors, (122), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2023-11-24 23:50:52,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 164 transitions. [2023-11-24 23:50:52,467 INFO L78 Accepts]: Start accepts. Automaton has 113 states and 164 transitions. Word has length 154 [2023-11-24 23:50:52,469 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-24 23:50:52,469 INFO L495 AbstractCegarLoop]: Abstraction has 113 states and 164 transitions. [2023-11-24 23:50:52,470 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.4) internal successors, (52), 5 states have internal predecessors, (52), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2023-11-24 23:50:52,470 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 164 transitions. [2023-11-24 23:50:52,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2023-11-24 23:50:52,480 INFO L187 NwaCegarLoop]: Found error trace [2023-11-24 23:50:52,480 INFO L195 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:50:52,497 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bcc0ece-5199-48ae-9c67-45c60569f8ad/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 23:50:52,689 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bcc0ece-5199-48ae-9c67-45c60569f8ad/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 23:50:52,689 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-24 23:50:52,690 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:50:52,690 INFO L85 PathProgramCache]: Analyzing trace with hash 294691631, now seen corresponding path program 1 times [2023-11-24 23:50:52,691 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-24 23:50:52,691 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1248821421] [2023-11-24 23:50:52,692 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:50:52,692 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 23:50:52,692 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bcc0ece-5199-48ae-9c67-45c60569f8ad/bin/utaipan-verify-SwPr7d2a91/mathsat [2023-11-24 23:50:52,694 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bcc0ece-5199-48ae-9c67-45c60569f8ad/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 23:50:52,695 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bcc0ece-5199-48ae-9c67-45c60569f8ad/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 23:50:53,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:50:53,166 INFO L262 TraceCheckSpWp]: Trace formula consists of 317 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-24 23:50:53,174 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:50:53,471 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-24 23:50:53,472 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 155 treesize of output 65 [2023-11-24 23:50:53,546 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 416 proven. 0 refuted. 0 times theorem prover too weak. 424 trivial. 0 not checked. [2023-11-24 23:50:53,546 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-24 23:50:53,546 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-24 23:50:53,549 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1248821421] [2023-11-24 23:50:53,549 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1248821421] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-24 23:50:53,549 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-24 23:50:53,549 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-24 23:50:53,550 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [406313730] [2023-11-24 23:50:53,553 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-24 23:50:53,554 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-24 23:50:53,554 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-24 23:50:53,557 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-24 23:50:53,557 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-11-24 23:50:53,557 INFO L87 Difference]: Start difference. First operand 113 states and 164 transitions. Second operand has 6 states, 6 states have (on average 9.166666666666666) internal successors, (55), 5 states have internal predecessors, (55), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2023-11-24 23:50:55,925 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.62s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-24 23:50:58,913 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.68s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-24 23:51:00,056 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-24 23:51:00,056 INFO L93 Difference]: Finished difference Result 231 states and 336 transitions. [2023-11-24 23:51:00,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-24 23:51:00,058 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.166666666666666) internal successors, (55), 5 states have internal predecessors, (55), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 154 [2023-11-24 23:51:00,058 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-24 23:51:00,060 INFO L225 Difference]: With dead ends: 231 [2023-11-24 23:51:00,060 INFO L226 Difference]: Without dead ends: 119 [2023-11-24 23:51:00,061 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 157 GetRequests, 149 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=35, Invalid=55, Unknown=0, NotChecked=0, Total=90 [2023-11-24 23:51:00,063 INFO L413 NwaCegarLoop]: 139 mSDtfsCounter, 145 mSDsluCounter, 312 mSDsCounter, 0 mSdLazyCounter, 181 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 145 SdHoareTripleChecker+Valid, 451 SdHoareTripleChecker+Invalid, 186 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 181 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.4s IncrementalHoareTripleChecker+Time [2023-11-24 23:51:00,064 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [145 Valid, 451 Invalid, 186 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 181 Invalid, 0 Unknown, 0 Unchecked, 6.4s Time] [2023-11-24 23:51:00,065 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119 states. [2023-11-24 23:51:00,077 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119 to 113. [2023-11-24 23:51:00,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 113 states, 90 states have (on average 1.3444444444444446) internal successors, (121), 90 states have internal predecessors, (121), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2023-11-24 23:51:00,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 163 transitions. [2023-11-24 23:51:00,080 INFO L78 Accepts]: Start accepts. Automaton has 113 states and 163 transitions. Word has length 154 [2023-11-24 23:51:00,081 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-24 23:51:00,081 INFO L495 AbstractCegarLoop]: Abstraction has 113 states and 163 transitions. [2023-11-24 23:51:00,082 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.166666666666666) internal successors, (55), 5 states have internal predecessors, (55), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2023-11-24 23:51:00,082 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 163 transitions. [2023-11-24 23:51:00,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2023-11-24 23:51:00,085 INFO L187 NwaCegarLoop]: Found error trace [2023-11-24 23:51:00,086 INFO L195 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:51:00,101 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bcc0ece-5199-48ae-9c67-45c60569f8ad/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 23:51:00,296 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bcc0ece-5199-48ae-9c67-45c60569f8ad/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 23:51:00,296 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-24 23:51:00,297 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:51:00,297 INFO L85 PathProgramCache]: Analyzing trace with hash 1329909481, now seen corresponding path program 1 times [2023-11-24 23:51:00,298 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-24 23:51:00,298 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1236355247] [2023-11-24 23:51:00,298 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:51:00,298 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 23:51:00,299 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bcc0ece-5199-48ae-9c67-45c60569f8ad/bin/utaipan-verify-SwPr7d2a91/mathsat [2023-11-24 23:51:00,301 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bcc0ece-5199-48ae-9c67-45c60569f8ad/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 23:51:00,320 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bcc0ece-5199-48ae-9c67-45c60569f8ad/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 23:51:00,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:51:00,952 INFO L262 TraceCheckSpWp]: Trace formula consists of 323 conjuncts, 15 conjunts are in the unsatisfiable core [2023-11-24 23:51:00,962 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:51:03,231 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 23:51:03,483 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 23:51:03,768 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 19 [2023-11-24 23:51:03,837 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 22 [2023-11-24 23:51:04,052 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 0 proven. 216 refuted. 0 times theorem prover too weak. 624 trivial. 0 not checked. [2023-11-24 23:51:04,052 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-24 23:51:04,187 WARN L854 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_112 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse0 (store |c_#memory_int| |c_~#float_Array_0~0.base| v_ArrVal_112))) (= (select (select .cse0 |c_~#signed_long_int_Array_0~0.base|) |c_~#signed_long_int_Array_0~0.offset|) ((_ sign_extend 24) ((_ extract 7 0) (select (select .cse0 |c_~#signed_char_Array_0~0.base|) (bvadd (_ bv3 32) |c_~#signed_char_Array_0~0.offset|))))))) is different from false [2023-11-24 23:51:04,226 WARN L854 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_112 (Array (_ BitVec 32) (_ BitVec 32))) (|~#signed_long_int_Array_0~0.offset| (_ BitVec 32))) (let ((.cse1 (bvadd (_ bv3 32) |c_~#signed_char_Array_0~0.offset|))) (let ((.cse0 (store (store |c_#memory_int| |c_~#signed_long_int_Array_0~0.base| (store (select |c_#memory_int| |c_~#signed_long_int_Array_0~0.base|) |~#signed_long_int_Array_0~0.offset| ((_ sign_extend 24) ((_ extract 7 0) (select (select |c_#memory_int| |c_~#signed_char_Array_0~0.base|) .cse1))))) |c_~#float_Array_0~0.base| v_ArrVal_112))) (= (select (select .cse0 |c_~#signed_long_int_Array_0~0.base|) |~#signed_long_int_Array_0~0.offset|) ((_ sign_extend 24) ((_ extract 7 0) (select (select .cse0 |c_~#signed_char_Array_0~0.base|) .cse1))))))) is different from false [2023-11-24 23:51:04,314 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-24 23:51:04,314 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1236355247] [2023-11-24 23:51:04,314 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1236355247] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-24 23:51:04,314 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [943440896] [2023-11-24 23:51:04,314 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:51:04,315 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-24 23:51:04,315 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bcc0ece-5199-48ae-9c67-45c60569f8ad/bin/utaipan-verify-SwPr7d2a91/cvc4 [2023-11-24 23:51:04,317 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bcc0ece-5199-48ae-9c67-45c60569f8ad/bin/utaipan-verify-SwPr7d2a91/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-24 23:51:04,336 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bcc0ece-5199-48ae-9c67-45c60569f8ad/bin/utaipan-verify-SwPr7d2a91/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2023-11-24 23:51:05,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:51:05,729 INFO L262 TraceCheckSpWp]: Trace formula consists of 323 conjuncts, 17 conjunts are in the unsatisfiable core [2023-11-24 23:51:05,737 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:51:07,891 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 23:51:08,170 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 23:51:08,473 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 19 [2023-11-24 23:51:08,503 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 22 [2023-11-24 23:51:08,663 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 0 proven. 216 refuted. 0 times theorem prover too weak. 624 trivial. 0 not checked. [2023-11-24 23:51:08,663 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-24 23:51:08,734 WARN L854 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_144 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse0 (store |c_#memory_int| |c_~#float_Array_0~0.base| v_ArrVal_144))) (= ((_ sign_extend 24) ((_ extract 7 0) (select (select .cse0 |c_~#signed_char_Array_0~0.base|) (bvadd (_ bv3 32) |c_~#signed_char_Array_0~0.offset|)))) (select (select .cse0 |c_~#signed_long_int_Array_0~0.base|) |c_~#signed_long_int_Array_0~0.offset|)))) is different from false [2023-11-24 23:51:08,767 WARN L854 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_144 (Array (_ BitVec 32) (_ BitVec 32))) (|~#signed_long_int_Array_0~0.offset| (_ BitVec 32))) (let ((.cse1 (bvadd (_ bv3 32) |c_~#signed_char_Array_0~0.offset|))) (let ((.cse0 (store (store |c_#memory_int| |c_~#signed_long_int_Array_0~0.base| (store (select |c_#memory_int| |c_~#signed_long_int_Array_0~0.base|) |~#signed_long_int_Array_0~0.offset| ((_ sign_extend 24) ((_ extract 7 0) (select (select |c_#memory_int| |c_~#signed_char_Array_0~0.base|) .cse1))))) |c_~#float_Array_0~0.base| v_ArrVal_144))) (= ((_ sign_extend 24) ((_ extract 7 0) (select (select .cse0 |c_~#signed_char_Array_0~0.base|) .cse1))) (select (select .cse0 |c_~#signed_long_int_Array_0~0.base|) |~#signed_long_int_Array_0~0.offset|))))) is different from false [2023-11-24 23:51:08,841 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [943440896] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-24 23:51:08,841 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1666209582] [2023-11-24 23:51:08,841 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:51:08,841 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-24 23:51:08,842 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bcc0ece-5199-48ae-9c67-45c60569f8ad/bin/utaipan-verify-SwPr7d2a91/z3 [2023-11-24 23:51:08,848 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bcc0ece-5199-48ae-9c67-45c60569f8ad/bin/utaipan-verify-SwPr7d2a91/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-24 23:51:08,884 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bcc0ece-5199-48ae-9c67-45c60569f8ad/bin/utaipan-verify-SwPr7d2a91/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-11-24 23:51:10,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:51:10,676 INFO L262 TraceCheckSpWp]: Trace formula consists of 323 conjuncts, 18 conjunts are in the unsatisfiable core [2023-11-24 23:51:10,690 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:51:12,925 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 23:51:13,185 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 23:51:13,480 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 19 [2023-11-24 23:51:13,526 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 22 [2023-11-24 23:51:13,694 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 6 proven. 261 refuted. 0 times theorem prover too weak. 573 trivial. 0 not checked. [2023-11-24 23:51:13,694 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-24 23:51:13,774 WARN L854 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_176 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse0 (store |c_#memory_int| |c_~#float_Array_0~0.base| v_ArrVal_176))) (= (select (select .cse0 |c_~#signed_long_int_Array_0~0.base|) |c_~#signed_long_int_Array_0~0.offset|) ((_ sign_extend 24) ((_ extract 7 0) (select (select .cse0 |c_~#signed_char_Array_0~0.base|) (bvadd (_ bv3 32) |c_~#signed_char_Array_0~0.offset|))))))) is different from false [2023-11-24 23:51:13,805 WARN L854 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_176 (Array (_ BitVec 32) (_ BitVec 32))) (|~#signed_long_int_Array_0~0.offset| (_ BitVec 32))) (let ((.cse1 (bvadd (_ bv3 32) |c_~#signed_char_Array_0~0.offset|))) (let ((.cse0 (store (store |c_#memory_int| |c_~#signed_long_int_Array_0~0.base| (store (select |c_#memory_int| |c_~#signed_long_int_Array_0~0.base|) |~#signed_long_int_Array_0~0.offset| ((_ sign_extend 24) ((_ extract 7 0) (select (select |c_#memory_int| |c_~#signed_char_Array_0~0.base|) .cse1))))) |c_~#float_Array_0~0.base| v_ArrVal_176))) (= ((_ sign_extend 24) ((_ extract 7 0) (select (select .cse0 |c_~#signed_char_Array_0~0.base|) .cse1))) (select (select .cse0 |c_~#signed_long_int_Array_0~0.base|) |~#signed_long_int_Array_0~0.offset|))))) is different from false [2023-11-24 23:51:13,864 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1666209582] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-24 23:51:13,864 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-24 23:51:13,864 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 9] total 9 [2023-11-24 23:51:13,865 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1761255147] [2023-11-24 23:51:13,865 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-24 23:51:13,866 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-11-24 23:51:13,866 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-24 23:51:13,867 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-11-24 23:51:13,867 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=107, Unknown=6, NotChecked=150, Total=306 [2023-11-24 23:51:13,867 INFO L87 Difference]: Start difference. First operand 113 states and 163 transitions. Second operand has 10 states, 10 states have (on average 6.0) internal successors, (60), 9 states have internal predecessors, (60), 2 states have call successors, (21), 2 states have call predecessors, (21), 3 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2023-11-24 23:51:16,136 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.08s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-24 23:51:19,862 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.32s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-24 23:51:21,215 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.16s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-24 23:51:21,274 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-24 23:51:21,275 INFO L93 Difference]: Finished difference Result 304 states and 437 transitions. [2023-11-24 23:51:21,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-24 23:51:21,276 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 6.0) internal successors, (60), 9 states have internal predecessors, (60), 2 states have call successors, (21), 2 states have call predecessors, (21), 3 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 156 [2023-11-24 23:51:21,278 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-24 23:51:21,280 INFO L225 Difference]: With dead ends: 304 [2023-11-24 23:51:21,280 INFO L226 Difference]: Without dead ends: 192 [2023-11-24 23:51:21,282 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 537 GetRequests, 515 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 6 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=95, Invalid=229, Unknown=6, NotChecked=222, Total=552 [2023-11-24 23:51:21,283 INFO L413 NwaCegarLoop]: 85 mSDtfsCounter, 299 mSDsluCounter, 393 mSDsCounter, 0 mSdLazyCounter, 704 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 302 SdHoareTripleChecker+Valid, 478 SdHoareTripleChecker+Invalid, 717 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 704 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.1s IncrementalHoareTripleChecker+Time [2023-11-24 23:51:21,284 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [302 Valid, 478 Invalid, 717 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 704 Invalid, 0 Unknown, 0 Unchecked, 7.1s Time] [2023-11-24 23:51:21,285 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 192 states. [2023-11-24 23:51:21,307 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 192 to 125. [2023-11-24 23:51:21,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 125 states, 102 states have (on average 1.3627450980392157) internal successors, (139), 102 states have internal predecessors, (139), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2023-11-24 23:51:21,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 125 states and 181 transitions. [2023-11-24 23:51:21,326 INFO L78 Accepts]: Start accepts. Automaton has 125 states and 181 transitions. Word has length 156 [2023-11-24 23:51:21,327 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-24 23:51:21,327 INFO L495 AbstractCegarLoop]: Abstraction has 125 states and 181 transitions. [2023-11-24 23:51:21,328 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 6.0) internal successors, (60), 9 states have internal predecessors, (60), 2 states have call successors, (21), 2 states have call predecessors, (21), 3 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2023-11-24 23:51:21,329 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 181 transitions. [2023-11-24 23:51:21,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2023-11-24 23:51:21,336 INFO L187 NwaCegarLoop]: Found error trace [2023-11-24 23:51:21,337 INFO L195 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:51:21,349 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bcc0ece-5199-48ae-9c67-45c60569f8ad/bin/utaipan-verify-SwPr7d2a91/cvc4 --incremental --print-success --lang smt (6)] Forceful destruction successful, exit code 0 [2023-11-24 23:51:21,564 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bcc0ece-5199-48ae-9c67-45c60569f8ad/bin/utaipan-verify-SwPr7d2a91/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2023-11-24 23:51:21,755 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bcc0ece-5199-48ae-9c67-45c60569f8ad/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