./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-65.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e426bff-4747-4322-b0d3-cd7369951066/bin/utaipan-verify-SwPr7d2a91/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e426bff-4747-4322-b0d3-cd7369951066/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_6e426bff-4747-4322-b0d3-cd7369951066/bin/utaipan-verify-SwPr7d2a91/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e426bff-4747-4322-b0d3-cd7369951066/bin/utaipan-verify-SwPr7d2a91/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-65.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e426bff-4747-4322-b0d3-cd7369951066/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_6e426bff-4747-4322-b0d3-cd7369951066/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 2dc4b4561b119f2d441fb605148029621181083992b9a4c5c6ca30ee08fd9eac --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 23:14:13,559 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:14:13,643 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e426bff-4747-4322-b0d3-cd7369951066/bin/utaipan-verify-SwPr7d2a91/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-11-24 23:14:13,649 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 23:14:13,650 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-24 23:14:13,683 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:14:13,684 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-24 23:14:13,685 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-24 23:14:13,686 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 23:14:13,687 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-24 23:14:13,688 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-24 23:14:13,689 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-24 23:14:13,689 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-24 23:14:13,690 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-24 23:14:13,691 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-24 23:14:13,691 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-24 23:14:13,692 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-24 23:14:13,693 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-24 23:14:13,693 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-24 23:14:13,694 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-24 23:14:13,695 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-24 23:14:13,697 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-24 23:14:13,701 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:14:13,701 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 23:14:13,702 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 23:14:13,704 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 23:14:13,705 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 23:14:13,705 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:14:13,706 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 23:14:13,706 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:14:13,707 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 23:14:13,709 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 23:14:13,709 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 23:14:13,709 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:14:13,710 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:14:13,710 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-24 23:14:13,710 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-24 23:14:13,710 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-24 23:14:13,712 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:14:13,712 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:14:13,712 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 23:14:13,713 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-24 23:14:13,713 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 23:14:13,713 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-24 23:14:13,714 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 23:14:13,714 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-24 23:14:13,715 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-24 23:14:13,715 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_6e426bff-4747-4322-b0d3-cd7369951066/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e426bff-4747-4322-b0d3-cd7369951066/bin/utaipan-verify-SwPr7d2a91 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2dc4b4561b119f2d441fb605148029621181083992b9a4c5c6ca30ee08fd9eac [2023-11-24 23:14:14,012 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:14:14,047 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:14:14,050 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:14:14,052 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:14:14,054 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:14:14,055 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e426bff-4747-4322-b0d3-cd7369951066/bin/utaipan-verify-SwPr7d2a91/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-65.i [2023-11-24 23:14:17,333 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:14:17,615 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:14:17,616 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e426bff-4747-4322-b0d3-cd7369951066/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-65.i [2023-11-24 23:14:17,635 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e426bff-4747-4322-b0d3-cd7369951066/bin/utaipan-verify-SwPr7d2a91/data/ae0b34d99/3dbdae65c38c4f8e975fe9ffde909ff3/FLAG805f39b54 [2023-11-24 23:14:17,651 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e426bff-4747-4322-b0d3-cd7369951066/bin/utaipan-verify-SwPr7d2a91/data/ae0b34d99/3dbdae65c38c4f8e975fe9ffde909ff3 [2023-11-24 23:14:17,654 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:14:17,655 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:14:17,660 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:14:17,660 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:14:17,666 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:14:17,667 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:14:17" (1/1) ... [2023-11-24 23:14:17,669 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2930033e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:14:17, skipping insertion in model container [2023-11-24 23:14:17,669 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:14:17" (1/1) ... [2023-11-24 23:14:17,699 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:14:17,888 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_6e426bff-4747-4322-b0d3-cd7369951066/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-65.i[916,929] [2023-11-24 23:14:17,951 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:14:17,965 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 23:14:17,979 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_6e426bff-4747-4322-b0d3-cd7369951066/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-65.i[916,929] [2023-11-24 23:14:18,025 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:14:18,049 INFO L206 MainTranslator]: Completed translation [2023-11-24 23:14:18,049 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:14:18 WrapperNode [2023-11-24 23:14:18,050 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:14:18,051 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 23:14:18,051 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 23:14:18,052 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 23:14:18,060 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:14:18" (1/1) ... [2023-11-24 23:14:18,089 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:14:18" (1/1) ... [2023-11-24 23:14:18,149 INFO L138 Inliner]: procedures = 29, calls = 146, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 429 [2023-11-24 23:14:18,150 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 23:14:18,151 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 23:14:18,151 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 23:14:18,151 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 23:14:18,158 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:14:18" (1/1) ... [2023-11-24 23:14:18,159 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:14:18" (1/1) ... [2023-11-24 23:14:18,166 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:14:18" (1/1) ... [2023-11-24 23:14:18,166 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:14:18" (1/1) ... [2023-11-24 23:14:18,190 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:14:18" (1/1) ... [2023-11-24 23:14:18,195 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:14:18" (1/1) ... [2023-11-24 23:14:18,199 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:14:18" (1/1) ... [2023-11-24 23:14:18,202 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:14:18" (1/1) ... [2023-11-24 23:14:18,208 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 23:14:18,209 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 23:14:18,209 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 23:14:18,209 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 23:14:18,210 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:14:18" (1/1) ... [2023-11-24 23:14:18,234 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-24 23:14:18,261 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e426bff-4747-4322-b0d3-cd7369951066/bin/utaipan-verify-SwPr7d2a91/z3 [2023-11-24 23:14:18,278 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e426bff-4747-4322-b0d3-cd7369951066/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-24 23:14:18,317 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e426bff-4747-4322-b0d3-cd7369951066/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-24 23:14:18,332 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 23:14:18,333 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-24 23:14:18,333 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2023-11-24 23:14:18,333 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2023-11-24 23:14:18,335 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-24 23:14:18,336 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2023-11-24 23:14:18,336 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-24 23:14:18,336 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-24 23:14:18,337 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 23:14:18,337 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 23:14:18,337 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 23:14:18,515 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 23:14:18,518 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 23:14:19,196 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 23:14:19,765 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 23:14:19,766 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-24 23:14:19,768 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:14:19 BoogieIcfgContainer [2023-11-24 23:14:19,769 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 23:14:19,772 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-24 23:14:19,772 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-24 23:14:19,776 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-24 23:14:19,776 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 11:14:17" (1/3) ... [2023-11-24 23:14:19,778 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3fb92a22 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 11:14:19, skipping insertion in model container [2023-11-24 23:14:19,778 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:14:18" (2/3) ... [2023-11-24 23:14:19,780 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3fb92a22 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 11:14:19, skipping insertion in model container [2023-11-24 23:14:19,780 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:14:19" (3/3) ... [2023-11-24 23:14:19,782 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-s_file-65.i [2023-11-24 23:14:19,802 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-24 23:14:19,802 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-24 23:14:19,846 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-24 23:14:19,853 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;@36c8fa94, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-24 23:14:19,853 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-24 23:14:19,858 INFO L276 IsEmpty]: Start isEmpty. Operand has 31 states, 17 states have (on average 1.1764705882352942) internal successors, (20), 18 states have internal predecessors, (20), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2023-11-24 23:14:19,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-11-24 23:14:19,868 INFO L187 NwaCegarLoop]: Found error trace [2023-11-24 23:14:19,869 INFO L195 NwaCegarLoop]: trace histogram [11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-24 23:14:19,869 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-24 23:14:19,875 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:14:19,875 INFO L85 PathProgramCache]: Analyzing trace with hash -345089125, now seen corresponding path program 1 times [2023-11-24 23:14:19,886 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-24 23:14:19,887 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [554273785] [2023-11-24 23:14:19,887 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:14:19,887 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:14:20,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:14:20,786 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 23:14:21,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:14:21,452 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-11-24 23:14:21,455 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-24 23:14:21,456 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-24 23:14:21,458 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-24 23:14:21,464 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-24 23:14:21,475 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-24 23:14:21,526 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem37 could not be translated [2023-11-24 23:14:21,527 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem37 could not be translated [2023-11-24 23:14:21,528 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem38 could not be translated [2023-11-24 23:14:21,528 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem38 could not be translated [2023-11-24 23:14:21,529 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem43 could not be translated [2023-11-24 23:14:21,529 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem44 could not be translated [2023-11-24 23:14:21,530 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem40 could not be translated [2023-11-24 23:14:21,530 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short42 could not be translated [2023-11-24 23:14:21,530 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short45 could not be translated [2023-11-24 23:14:21,530 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem41 could not be translated [2023-11-24 23:14:21,530 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short46 could not be translated [2023-11-24 23:14:21,531 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem43 could not be translated [2023-11-24 23:14:21,531 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem40 could not be translated [2023-11-24 23:14:21,531 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem41 could not be translated [2023-11-24 23:14:21,531 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short42 could not be translated [2023-11-24 23:14:21,531 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short45 could not be translated [2023-11-24 23:14:21,532 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem44 could not be translated [2023-11-24 23:14:21,532 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short46 could not be translated [2023-11-24 23:14:21,532 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem48 could not be translated [2023-11-24 23:14:21,532 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem51 could not be translated [2023-11-24 23:14:21,533 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem49 could not be translated [2023-11-24 23:14:21,533 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short53 could not be translated [2023-11-24 23:14:21,533 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short50 could not be translated [2023-11-24 23:14:21,533 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem52 could not be translated [2023-11-24 23:14:21,533 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short54 could not be translated [2023-11-24 23:14:21,534 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short53 could not be translated [2023-11-24 23:14:21,534 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short54 could not be translated [2023-11-24 23:14:21,534 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem52 could not be translated [2023-11-24 23:14:21,534 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem48 could not be translated [2023-11-24 23:14:21,534 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem51 could not be translated [2023-11-24 23:14:21,535 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short50 could not be translated [2023-11-24 23:14:21,535 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem49 could not be translated [2023-11-24 23:14:21,537 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short61 could not be translated [2023-11-24 23:14:21,537 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem56 could not be translated [2023-11-24 23:14:21,537 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem57 could not be translated [2023-11-24 23:14:21,537 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem60 could not be translated [2023-11-24 23:14:21,537 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short58 could not be translated [2023-11-24 23:14:21,537 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem59 could not be translated [2023-11-24 23:14:21,538 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short62 could not be translated [2023-11-24 23:14:21,539 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem56 could not be translated [2023-11-24 23:14:21,539 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem59 could not be translated [2023-11-24 23:14:21,540 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short58 could not be translated [2023-11-24 23:14:21,540 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short62 could not be translated [2023-11-24 23:14:21,540 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short61 could not be translated [2023-11-24 23:14:21,541 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem60 could not be translated [2023-11-24 23:14:21,541 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem57 could not be translated [2023-11-24 23:14:21,541 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short69 could not be translated [2023-11-24 23:14:21,542 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem68 could not be translated [2023-11-24 23:14:21,542 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem64 could not be translated [2023-11-24 23:14:21,542 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short70 could not be translated [2023-11-24 23:14:21,542 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem67 could not be translated [2023-11-24 23:14:21,542 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem65 could not be translated [2023-11-24 23:14:21,543 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short66 could not be translated [2023-11-24 23:14:21,543 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem67 could not be translated [2023-11-24 23:14:21,543 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short66 could not be translated [2023-11-24 23:14:21,543 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem65 could not be translated [2023-11-24 23:14:21,543 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem68 could not be translated [2023-11-24 23:14:21,544 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short70 could not be translated [2023-11-24 23:14:21,544 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem64 could not be translated [2023-11-24 23:14:21,544 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short69 could not be translated [2023-11-24 23:14:21,546 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short74 could not be translated [2023-11-24 23:14:21,546 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem73 could not be translated [2023-11-24 23:14:21,547 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short78 could not be translated [2023-11-24 23:14:21,547 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem76 could not be translated [2023-11-24 23:14:21,548 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem72 could not be translated [2023-11-24 23:14:21,548 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short77 could not be translated [2023-11-24 23:14:21,548 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem75 could not be translated [2023-11-24 23:14:21,554 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem76 could not be translated [2023-11-24 23:14:21,554 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short77 could not be translated [2023-11-24 23:14:21,554 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem75 could not be translated [2023-11-24 23:14:21,554 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short74 could not be translated [2023-11-24 23:14:21,555 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short78 could not be translated [2023-11-24 23:14:21,555 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem73 could not be translated [2023-11-24 23:14:21,555 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem72 could not be translated [2023-11-24 23:14:21,556 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem80 could not be translated [2023-11-24 23:14:21,558 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem80 could not be translated [2023-11-24 23:14:21,559 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem81 could not be translated [2023-11-24 23:14:21,560 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem81 could not be translated [2023-11-24 23:14:21,560 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem83 could not be translated [2023-11-24 23:14:21,561 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem83 could not be translated [2023-11-24 23:14:21,562 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem84 could not be translated [2023-11-24 23:14:21,562 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem84 could not be translated [2023-11-24 23:14:21,594 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.11 11:14:21 BoogieIcfgContainer [2023-11-24 23:14:21,594 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-24 23:14:21,596 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-24 23:14:21,596 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-24 23:14:21,596 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-24 23:14:21,597 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:14:19" (3/4) ... [2023-11-24 23:14:21,599 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-24 23:14:21,600 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-24 23:14:21,602 INFO L158 Benchmark]: Toolchain (without parser) took 3945.96ms. Allocated memory was 157.3MB in the beginning and 188.7MB in the end (delta: 31.5MB). Free memory was 113.6MB in the beginning and 129.4MB in the end (delta: -15.9MB). Peak memory consumption was 17.1MB. Max. memory is 16.1GB. [2023-11-24 23:14:21,603 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 113.2MB. Free memory was 60.8MB in the beginning and 60.6MB in the end (delta: 159.6kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:14:21,605 INFO L158 Benchmark]: CACSL2BoogieTranslator took 390.07ms. Allocated memory is still 157.3MB. Free memory was 113.1MB in the beginning and 97.5MB in the end (delta: 15.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-24 23:14:21,609 INFO L158 Benchmark]: Boogie Procedure Inliner took 98.90ms. Allocated memory is still 157.3MB. Free memory was 97.5MB in the beginning and 93.8MB in the end (delta: 3.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-24 23:14:21,615 INFO L158 Benchmark]: Boogie Preprocessor took 57.34ms. Allocated memory is still 157.3MB. Free memory was 93.8MB in the beginning and 90.5MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-24 23:14:21,615 INFO L158 Benchmark]: RCFGBuilder took 1560.10ms. Allocated memory is still 157.3MB. Free memory was 90.5MB in the beginning and 93.4MB in the end (delta: -2.9MB). Peak memory consumption was 29.3MB. Max. memory is 16.1GB. [2023-11-24 23:14:21,617 INFO L158 Benchmark]: TraceAbstraction took 1822.25ms. Allocated memory was 157.3MB in the beginning and 188.7MB in the end (delta: 31.5MB). Free memory was 93.4MB in the beginning and 129.4MB in the end (delta: -36.0MB). Peak memory consumption was 54.9MB. Max. memory is 16.1GB. [2023-11-24 23:14:21,618 INFO L158 Benchmark]: Witness Printer took 4.54ms. Allocated memory is still 188.7MB. Free memory is still 129.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:14:21,625 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 113.2MB. Free memory was 60.8MB in the beginning and 60.6MB in the end (delta: 159.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 390.07ms. Allocated memory is still 157.3MB. Free memory was 113.1MB in the beginning and 97.5MB in the end (delta: 15.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 98.90ms. Allocated memory is still 157.3MB. Free memory was 97.5MB in the beginning and 93.8MB in the end (delta: 3.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 57.34ms. Allocated memory is still 157.3MB. Free memory was 93.8MB in the beginning and 90.5MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1560.10ms. Allocated memory is still 157.3MB. Free memory was 90.5MB in the beginning and 93.4MB in the end (delta: -2.9MB). Peak memory consumption was 29.3MB. Max. memory is 16.1GB. * TraceAbstraction took 1822.25ms. Allocated memory was 157.3MB in the beginning and 188.7MB in the end (delta: 31.5MB). Free memory was 93.4MB in the beginning and 129.4MB in the end (delta: -36.0MB). Peak memory consumption was 54.9MB. Max. memory is 16.1GB. * Witness Printer took 4.54ms. Allocated memory is still 188.7MB. Free memory is still 129.4MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem37 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem37 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem38 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem38 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem43 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem44 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem40 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short42 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short45 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem41 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short46 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem43 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem40 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem41 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short42 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short45 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem44 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short46 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem48 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem51 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem49 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short53 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short50 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem52 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short54 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short53 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short54 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem52 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem48 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem51 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short50 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem49 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short61 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem56 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem57 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem60 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short58 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem59 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short62 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem56 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem59 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short58 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short62 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short61 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem60 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem57 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short69 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem68 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem64 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short70 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem67 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem65 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short66 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem67 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short66 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem65 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem68 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short70 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem64 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short69 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short74 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem73 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short78 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem76 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem72 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short77 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem75 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem76 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short77 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem75 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short74 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short78 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem73 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem72 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~mem81 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem81 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 someBinaryFLOATComparisonOperation at line 64, overapproximation of someBinaryArithmeticDOUBLEoperation at line 75, overapproximation of someBinaryDOUBLEComparisonOperation at line 59, overapproximation of someUnaryFLOAToperation at line 64. Possible FailurePath: [L38] unsigned char isInitial = 0; [L39-L54] struct WrapperStruct00 WrapperStruct00 = { 1000000000.1, 1, 8.2, -32, 100.5, 25.25, 63.6, 0.0, 0.8, -8, 8, 2, 50, 0 }; [L55] double last_1_WrapperStruct00_var_1_9 = 100.5; [L111] isInitial = 1 [L112] FCALL initially() [L113] COND TRUE 1 [L114] CALL updateLastVariables() [L104] EXPR WrapperStruct00.var_1_9 [L104] last_1_WrapperStruct00_var_1_9 = WrapperStruct00.var_1_9 [L114] RET updateLastVariables() [L115] CALL updateVariables() [L83] WrapperStruct00.var_1_3 = __VERIFIER_nondet_uchar() [L84] EXPR WrapperStruct00.var_1_3 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_9=201/2] [L84] CALL assume_abort_if_not(WrapperStruct00.var_1_3 >= 0) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_9=201/2] [L20] COND FALSE !(!cond) [L84] RET assume_abort_if_not(WrapperStruct00.var_1_3 >= 0) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_9=201/2] [L85] EXPR WrapperStruct00.var_1_3 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_9=201/2] [L85] CALL assume_abort_if_not(WrapperStruct00.var_1_3 <= 1) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_9=201/2] [L20] COND FALSE !(!cond) [L85] RET assume_abort_if_not(WrapperStruct00.var_1_3 <= 1) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_9=201/2] [L86] WrapperStruct00.var_1_4 = __VERIFIER_nondet_float() [L87] EXPR WrapperStruct00.var_1_4 [L87] EXPR WrapperStruct00.var_1_4 >= -922337.2036854765600e+13F && WrapperStruct00.var_1_4 <= -1.0e-20F [L87] EXPR (WrapperStruct00.var_1_4 >= -922337.2036854765600e+13F && WrapperStruct00.var_1_4 <= -1.0e-20F) || (WrapperStruct00.var_1_4 <= 9223372.036854765600e+12F && WrapperStruct00.var_1_4 >= 1.0e-20F ) [L87] EXPR WrapperStruct00.var_1_4 [L87] EXPR WrapperStruct00.var_1_4 <= 9223372.036854765600e+12F && WrapperStruct00.var_1_4 >= 1.0e-20F [L87] EXPR WrapperStruct00.var_1_4 [L87] EXPR WrapperStruct00.var_1_4 <= 9223372.036854765600e+12F && WrapperStruct00.var_1_4 >= 1.0e-20F [L87] EXPR (WrapperStruct00.var_1_4 >= -922337.2036854765600e+13F && WrapperStruct00.var_1_4 <= -1.0e-20F) || (WrapperStruct00.var_1_4 <= 9223372.036854765600e+12F && WrapperStruct00.var_1_4 >= 1.0e-20F ) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_9=201/2] [L87] CALL assume_abort_if_not((WrapperStruct00.var_1_4 >= -922337.2036854765600e+13F && WrapperStruct00.var_1_4 <= -1.0e-20F) || (WrapperStruct00.var_1_4 <= 9223372.036854765600e+12F && WrapperStruct00.var_1_4 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_9=201/2] [L20] COND FALSE !(!cond) [L87] RET assume_abort_if_not((WrapperStruct00.var_1_4 >= -922337.2036854765600e+13F && WrapperStruct00.var_1_4 <= -1.0e-20F) || (WrapperStruct00.var_1_4 <= 9223372.036854765600e+12F && WrapperStruct00.var_1_4 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_9=201/2] [L88] WrapperStruct00.var_1_12 = __VERIFIER_nondet_double() [L89] EXPR WrapperStruct00.var_1_12 [L89] EXPR WrapperStruct00.var_1_12 >= 0.0F && WrapperStruct00.var_1_12 <= -1.0e-20F [L89] EXPR WrapperStruct00.var_1_12 [L89] EXPR WrapperStruct00.var_1_12 >= 0.0F && WrapperStruct00.var_1_12 <= -1.0e-20F [L89] EXPR (WrapperStruct00.var_1_12 >= 0.0F && WrapperStruct00.var_1_12 <= -1.0e-20F) || (WrapperStruct00.var_1_12 <= 9223372.036854765600e+12F && WrapperStruct00.var_1_12 >= 1.0e-20F ) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_9=201/2] [L89] CALL assume_abort_if_not((WrapperStruct00.var_1_12 >= 0.0F && WrapperStruct00.var_1_12 <= -1.0e-20F) || (WrapperStruct00.var_1_12 <= 9223372.036854765600e+12F && WrapperStruct00.var_1_12 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_9=201/2] [L20] COND FALSE !(!cond) [L89] RET assume_abort_if_not((WrapperStruct00.var_1_12 >= 0.0F && WrapperStruct00.var_1_12 <= -1.0e-20F) || (WrapperStruct00.var_1_12 <= 9223372.036854765600e+12F && WrapperStruct00.var_1_12 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_9=201/2] [L90] WrapperStruct00.var_1_13 = __VERIFIER_nondet_double() [L91] EXPR WrapperStruct00.var_1_13 [L91] EXPR WrapperStruct00.var_1_13 >= 0.0F && WrapperStruct00.var_1_13 <= -1.0e-20F [L91] EXPR WrapperStruct00.var_1_13 [L91] EXPR WrapperStruct00.var_1_13 >= 0.0F && WrapperStruct00.var_1_13 <= -1.0e-20F [L91] EXPR (WrapperStruct00.var_1_13 >= 0.0F && WrapperStruct00.var_1_13 <= -1.0e-20F) || (WrapperStruct00.var_1_13 <= 9223372.036854765600e+12F && WrapperStruct00.var_1_13 >= 1.0e-20F ) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_9=201/2] [L91] CALL assume_abort_if_not((WrapperStruct00.var_1_13 >= 0.0F && WrapperStruct00.var_1_13 <= -1.0e-20F) || (WrapperStruct00.var_1_13 <= 9223372.036854765600e+12F && WrapperStruct00.var_1_13 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_9=201/2] [L20] COND FALSE !(!cond) [L91] RET assume_abort_if_not((WrapperStruct00.var_1_13 >= 0.0F && WrapperStruct00.var_1_13 <= -1.0e-20F) || (WrapperStruct00.var_1_13 <= 9223372.036854765600e+12F && WrapperStruct00.var_1_13 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_9=201/2] [L92] WrapperStruct00.var_1_14 = __VERIFIER_nondet_double() [L93] EXPR WrapperStruct00.var_1_14 [L93] EXPR WrapperStruct00.var_1_14 >= 4611686.018427382800e+12F && WrapperStruct00.var_1_14 <= -1.0e-20F [L93] EXPR WrapperStruct00.var_1_14 [L93] EXPR WrapperStruct00.var_1_14 >= 4611686.018427382800e+12F && WrapperStruct00.var_1_14 <= -1.0e-20F [L93] EXPR (WrapperStruct00.var_1_14 >= 4611686.018427382800e+12F && WrapperStruct00.var_1_14 <= -1.0e-20F) || (WrapperStruct00.var_1_14 <= 9223372.036854765600e+12F && WrapperStruct00.var_1_14 >= 1.0e-20F ) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_9=201/2] [L93] CALL assume_abort_if_not((WrapperStruct00.var_1_14 >= 4611686.018427382800e+12F && WrapperStruct00.var_1_14 <= -1.0e-20F) || (WrapperStruct00.var_1_14 <= 9223372.036854765600e+12F && WrapperStruct00.var_1_14 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_9=201/2] [L20] COND FALSE !(!cond) [L93] RET assume_abort_if_not((WrapperStruct00.var_1_14 >= 4611686.018427382800e+12F && WrapperStruct00.var_1_14 <= -1.0e-20F) || (WrapperStruct00.var_1_14 <= 9223372.036854765600e+12F && WrapperStruct00.var_1_14 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_9=201/2] [L94] WrapperStruct00.var_1_15 = __VERIFIER_nondet_double() [L95] EXPR WrapperStruct00.var_1_15 [L95] EXPR WrapperStruct00.var_1_15 >= 0.0F && WrapperStruct00.var_1_15 <= -1.0e-20F [L95] EXPR (WrapperStruct00.var_1_15 >= 0.0F && WrapperStruct00.var_1_15 <= -1.0e-20F) || (WrapperStruct00.var_1_15 <= 4611686.018427382800e+12F && WrapperStruct00.var_1_15 >= 1.0e-20F ) [L95] EXPR WrapperStruct00.var_1_15 [L95] EXPR WrapperStruct00.var_1_15 <= 4611686.018427382800e+12F && WrapperStruct00.var_1_15 >= 1.0e-20F [L95] EXPR WrapperStruct00.var_1_15 [L95] EXPR WrapperStruct00.var_1_15 <= 4611686.018427382800e+12F && WrapperStruct00.var_1_15 >= 1.0e-20F [L95] EXPR (WrapperStruct00.var_1_15 >= 0.0F && WrapperStruct00.var_1_15 <= -1.0e-20F) || (WrapperStruct00.var_1_15 <= 4611686.018427382800e+12F && WrapperStruct00.var_1_15 >= 1.0e-20F ) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_9=201/2] [L95] CALL assume_abort_if_not((WrapperStruct00.var_1_15 >= 0.0F && WrapperStruct00.var_1_15 <= -1.0e-20F) || (WrapperStruct00.var_1_15 <= 4611686.018427382800e+12F && WrapperStruct00.var_1_15 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_9=201/2] [L20] COND FALSE !(!cond) [L95] RET assume_abort_if_not((WrapperStruct00.var_1_15 >= 0.0F && WrapperStruct00.var_1_15 <= -1.0e-20F) || (WrapperStruct00.var_1_15 <= 4611686.018427382800e+12F && WrapperStruct00.var_1_15 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_9=201/2] [L96] WrapperStruct00.var_1_17 = __VERIFIER_nondet_char() [L97] EXPR WrapperStruct00.var_1_17 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_9=201/2] [L97] CALL assume_abort_if_not(WrapperStruct00.var_1_17 >= -127) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_9=201/2] [L20] COND FALSE !(!cond) [L97] RET assume_abort_if_not(WrapperStruct00.var_1_17 >= -127) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_9=201/2] [L98] EXPR WrapperStruct00.var_1_17 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_9=201/2] [L98] CALL assume_abort_if_not(WrapperStruct00.var_1_17 <= 126) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_9=201/2] [L20] COND FALSE !(!cond) [L98] RET assume_abort_if_not(WrapperStruct00.var_1_17 <= 126) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_9=201/2] [L99] WrapperStruct00.var_1_19 = __VERIFIER_nondet_ushort() [L100] EXPR WrapperStruct00.var_1_19 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_9=201/2] [L100] CALL assume_abort_if_not(WrapperStruct00.var_1_19 >= 0) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_9=201/2] [L20] COND FALSE !(!cond) [L100] RET assume_abort_if_not(WrapperStruct00.var_1_19 >= 0) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_9=201/2] [L101] EXPR WrapperStruct00.var_1_19 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_9=201/2] [L101] CALL assume_abort_if_not(WrapperStruct00.var_1_19 <= 65534) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_9=201/2] [L20] COND FALSE !(!cond) [L101] RET assume_abort_if_not(WrapperStruct00.var_1_19 <= 65534) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_9=201/2] [L115] RET updateVariables() [L116] CALL step() [L59] COND FALSE !(0.625f > last_1_WrapperStruct00_var_1_9) [L64] EXPR WrapperStruct00.var_1_4 [L64] EXPR ((WrapperStruct00.var_1_4) < 0 ) ? -(WrapperStruct00.var_1_4) : (WrapperStruct00.var_1_4) [L64] EXPR WrapperStruct00.var_1_4 [L64] EXPR ((WrapperStruct00.var_1_4) < 0 ) ? -(WrapperStruct00.var_1_4) : (WrapperStruct00.var_1_4) [L64] WrapperStruct00.var_1_1 = ((((WrapperStruct00.var_1_4) < 0 ) ? -(WrapperStruct00.var_1_4) : (WrapperStruct00.var_1_4))) [L66] EXPR WrapperStruct00.var_1_17 [L66] WrapperStruct00.var_1_16 = WrapperStruct00.var_1_17 [L67] EXPR WrapperStruct00.var_1_19 [L67] WrapperStruct00.var_1_18 = WrapperStruct00.var_1_19 [L68] EXPR WrapperStruct00.var_1_19 [L68] WrapperStruct00.var_1_20 = WrapperStruct00.var_1_19 [L69] WrapperStruct00.var_1_3 [L69] COND FALSE !(WrapperStruct00.var_1_3) [L74] EXPR WrapperStruct00.var_1_1 [L74] EXPR WrapperStruct00.var_1_1 [L74] COND FALSE !(WrapperStruct00.var_1_1 <= WrapperStruct00.var_1_1) [L78] EXPR WrapperStruct00.var_1_4 [L78] EXPR WrapperStruct00.var_1_9 [L78] COND FALSE !(WrapperStruct00.var_1_4 > WrapperStruct00.var_1_9) [L116] RET step() [L117] CALL, EXPR property() [L107] EXPR (0.625f > last_1_WrapperStruct00_var_1_9) ? (WrapperStruct00.var_1_3 ? (WrapperStruct00.var_1_1 == ((float) ((((WrapperStruct00.var_1_4) < 0 ) ? -(WrapperStruct00.var_1_4) : (WrapperStruct00.var_1_4))))) : 1) : (WrapperStruct00.var_1_1 == ((float) ((((WrapperStruct00.var_1_4) < 0 ) ? -(WrapperStruct00.var_1_4) : (WrapperStruct00.var_1_4))))) [L107] EXPR WrapperStruct00.var_1_3 [L107] EXPR WrapperStruct00.var_1_3 ? (WrapperStruct00.var_1_1 == ((float) ((((WrapperStruct00.var_1_4) < 0 ) ? -(WrapperStruct00.var_1_4) : (WrapperStruct00.var_1_4))))) : 1 [L107] EXPR (0.625f > last_1_WrapperStruct00_var_1_9) ? (WrapperStruct00.var_1_3 ? (WrapperStruct00.var_1_1 == ((float) ((((WrapperStruct00.var_1_4) < 0 ) ? -(WrapperStruct00.var_1_4) : (WrapperStruct00.var_1_4))))) : 1) : (WrapperStruct00.var_1_1 == ((float) ((((WrapperStruct00.var_1_4) < 0 ) ? -(WrapperStruct00.var_1_4) : (WrapperStruct00.var_1_4))))) [L107] EXPR ((0.625f > last_1_WrapperStruct00_var_1_9) ? (WrapperStruct00.var_1_3 ? (WrapperStruct00.var_1_1 == ((float) ((((WrapperStruct00.var_1_4) < 0 ) ? -(WrapperStruct00.var_1_4) : (WrapperStruct00.var_1_4))))) : 1) : (WrapperStruct00.var_1_1 == ((float) ((((WrapperStruct00.var_1_4) < 0 ) ? -(WrapperStruct00.var_1_4) : (WrapperStruct00.var_1_4)))))) && ((WrapperStruct00.var_1_4 > WrapperStruct00.var_1_9) ? (WrapperStruct00.var_1_5 == ((signed long int) (((((WrapperStruct00.var_1_20) > (-64)) ? (WrapperStruct00.var_1_20) : (-64))) + ((WrapperStruct00.var_1_20 + -2) + WrapperStruct00.var_1_18)))) : 1) [L107] EXPR WrapperStruct00.var_1_4 [L107] EXPR WrapperStruct00.var_1_9 [L107] EXPR (WrapperStruct00.var_1_4 > WrapperStruct00.var_1_9) ? (WrapperStruct00.var_1_5 == ((signed long int) (((((WrapperStruct00.var_1_20) > (-64)) ? (WrapperStruct00.var_1_20) : (-64))) + ((WrapperStruct00.var_1_20 + -2) + WrapperStruct00.var_1_18)))) : 1 [L107] EXPR ((0.625f > last_1_WrapperStruct00_var_1_9) ? (WrapperStruct00.var_1_3 ? (WrapperStruct00.var_1_1 == ((float) ((((WrapperStruct00.var_1_4) < 0 ) ? -(WrapperStruct00.var_1_4) : (WrapperStruct00.var_1_4))))) : 1) : (WrapperStruct00.var_1_1 == ((float) ((((WrapperStruct00.var_1_4) < 0 ) ? -(WrapperStruct00.var_1_4) : (WrapperStruct00.var_1_4)))))) && ((WrapperStruct00.var_1_4 > WrapperStruct00.var_1_9) ? (WrapperStruct00.var_1_5 == ((signed long int) (((((WrapperStruct00.var_1_20) > (-64)) ? (WrapperStruct00.var_1_20) : (-64))) + ((WrapperStruct00.var_1_20 + -2) + WrapperStruct00.var_1_18)))) : 1) [L107] EXPR (((0.625f > last_1_WrapperStruct00_var_1_9) ? (WrapperStruct00.var_1_3 ? (WrapperStruct00.var_1_1 == ((float) ((((WrapperStruct00.var_1_4) < 0 ) ? -(WrapperStruct00.var_1_4) : (WrapperStruct00.var_1_4))))) : 1) : (WrapperStruct00.var_1_1 == ((float) ((((WrapperStruct00.var_1_4) < 0 ) ? -(WrapperStruct00.var_1_4) : (WrapperStruct00.var_1_4)))))) && ((WrapperStruct00.var_1_4 > WrapperStruct00.var_1_9) ? (WrapperStruct00.var_1_5 == ((signed long int) (((((WrapperStruct00.var_1_20) > (-64)) ? (WrapperStruct00.var_1_20) : (-64))) + ((WrapperStruct00.var_1_20 + -2) + WrapperStruct00.var_1_18)))) : 1)) && (WrapperStruct00.var_1_3 ? ((WrapperStruct00.var_1_20 >= ((WrapperStruct00.var_1_18 - WrapperStruct00.var_1_20) * 64)) ? (WrapperStruct00.var_1_9 == ((double) (((((WrapperStruct00.var_1_12) < (50.5)) ? (WrapperStruct00.var_1_12) : (50.5))) - WrapperStruct00.var_1_13))) : 1) : ((WrapperStruct00.var_1_1 <= WrapperStruct00.var_1_1) ? (WrapperStruct00.var_1_9 == ((double) (WrapperStruct00.var_1_13 - (WrapperStruct00.var_1_14 - WrapperStruct00.var_1_15)))) : 1)) [L107] EXPR WrapperStruct00.var_1_3 [L107] EXPR WrapperStruct00.var_1_3 ? ((WrapperStruct00.var_1_20 >= ((WrapperStruct00.var_1_18 - WrapperStruct00.var_1_20) * 64)) ? (WrapperStruct00.var_1_9 == ((double) (((((WrapperStruct00.var_1_12) < (50.5)) ? (WrapperStruct00.var_1_12) : (50.5))) - WrapperStruct00.var_1_13))) : 1) : ((WrapperStruct00.var_1_1 <= WrapperStruct00.var_1_1) ? (WrapperStruct00.var_1_9 == ((double) (WrapperStruct00.var_1_13 - (WrapperStruct00.var_1_14 - WrapperStruct00.var_1_15)))) : 1) [L107] EXPR WrapperStruct00.var_1_1 [L107] EXPR WrapperStruct00.var_1_1 [L107] EXPR (WrapperStruct00.var_1_1 <= WrapperStruct00.var_1_1) ? (WrapperStruct00.var_1_9 == ((double) (WrapperStruct00.var_1_13 - (WrapperStruct00.var_1_14 - WrapperStruct00.var_1_15)))) : 1 [L107] EXPR WrapperStruct00.var_1_9 [L107] EXPR WrapperStruct00.var_1_13 [L107] EXPR WrapperStruct00.var_1_14 [L107] EXPR WrapperStruct00.var_1_15 [L107] EXPR (WrapperStruct00.var_1_1 <= WrapperStruct00.var_1_1) ? (WrapperStruct00.var_1_9 == ((double) (WrapperStruct00.var_1_13 - (WrapperStruct00.var_1_14 - WrapperStruct00.var_1_15)))) : 1 [L107] EXPR WrapperStruct00.var_1_3 ? ((WrapperStruct00.var_1_20 >= ((WrapperStruct00.var_1_18 - WrapperStruct00.var_1_20) * 64)) ? (WrapperStruct00.var_1_9 == ((double) (((((WrapperStruct00.var_1_12) < (50.5)) ? (WrapperStruct00.var_1_12) : (50.5))) - WrapperStruct00.var_1_13))) : 1) : ((WrapperStruct00.var_1_1 <= WrapperStruct00.var_1_1) ? (WrapperStruct00.var_1_9 == ((double) (WrapperStruct00.var_1_13 - (WrapperStruct00.var_1_14 - WrapperStruct00.var_1_15)))) : 1) [L107] EXPR (((0.625f > last_1_WrapperStruct00_var_1_9) ? (WrapperStruct00.var_1_3 ? (WrapperStruct00.var_1_1 == ((float) ((((WrapperStruct00.var_1_4) < 0 ) ? -(WrapperStruct00.var_1_4) : (WrapperStruct00.var_1_4))))) : 1) : (WrapperStruct00.var_1_1 == ((float) ((((WrapperStruct00.var_1_4) < 0 ) ? -(WrapperStruct00.var_1_4) : (WrapperStruct00.var_1_4)))))) && ((WrapperStruct00.var_1_4 > WrapperStruct00.var_1_9) ? (WrapperStruct00.var_1_5 == ((signed long int) (((((WrapperStruct00.var_1_20) > (-64)) ? (WrapperStruct00.var_1_20) : (-64))) + ((WrapperStruct00.var_1_20 + -2) + WrapperStruct00.var_1_18)))) : 1)) && (WrapperStruct00.var_1_3 ? ((WrapperStruct00.var_1_20 >= ((WrapperStruct00.var_1_18 - WrapperStruct00.var_1_20) * 64)) ? (WrapperStruct00.var_1_9 == ((double) (((((WrapperStruct00.var_1_12) < (50.5)) ? (WrapperStruct00.var_1_12) : (50.5))) - WrapperStruct00.var_1_13))) : 1) : ((WrapperStruct00.var_1_1 <= WrapperStruct00.var_1_1) ? (WrapperStruct00.var_1_9 == ((double) (WrapperStruct00.var_1_13 - (WrapperStruct00.var_1_14 - WrapperStruct00.var_1_15)))) : 1)) [L107] EXPR ((((0.625f > last_1_WrapperStruct00_var_1_9) ? (WrapperStruct00.var_1_3 ? (WrapperStruct00.var_1_1 == ((float) ((((WrapperStruct00.var_1_4) < 0 ) ? -(WrapperStruct00.var_1_4) : (WrapperStruct00.var_1_4))))) : 1) : (WrapperStruct00.var_1_1 == ((float) ((((WrapperStruct00.var_1_4) < 0 ) ? -(WrapperStruct00.var_1_4) : (WrapperStruct00.var_1_4)))))) && ((WrapperStruct00.var_1_4 > WrapperStruct00.var_1_9) ? (WrapperStruct00.var_1_5 == ((signed long int) (((((WrapperStruct00.var_1_20) > (-64)) ? (WrapperStruct00.var_1_20) : (-64))) + ((WrapperStruct00.var_1_20 + -2) + WrapperStruct00.var_1_18)))) : 1)) && (WrapperStruct00.var_1_3 ? ((WrapperStruct00.var_1_20 >= ((WrapperStruct00.var_1_18 - WrapperStruct00.var_1_20) * 64)) ? (WrapperStruct00.var_1_9 == ((double) (((((WrapperStruct00.var_1_12) < (50.5)) ? (WrapperStruct00.var_1_12) : (50.5))) - WrapperStruct00.var_1_13))) : 1) : ((WrapperStruct00.var_1_1 <= WrapperStruct00.var_1_1) ? (WrapperStruct00.var_1_9 == ((double) (WrapperStruct00.var_1_13 - (WrapperStruct00.var_1_14 - WrapperStruct00.var_1_15)))) : 1))) && (WrapperStruct00.var_1_16 == ((signed char) WrapperStruct00.var_1_17)) [L107] EXPR (((((0.625f > last_1_WrapperStruct00_var_1_9) ? (WrapperStruct00.var_1_3 ? (WrapperStruct00.var_1_1 == ((float) ((((WrapperStruct00.var_1_4) < 0 ) ? -(WrapperStruct00.var_1_4) : (WrapperStruct00.var_1_4))))) : 1) : (WrapperStruct00.var_1_1 == ((float) ((((WrapperStruct00.var_1_4) < 0 ) ? -(WrapperStruct00.var_1_4) : (WrapperStruct00.var_1_4)))))) && ((WrapperStruct00.var_1_4 > WrapperStruct00.var_1_9) ? (WrapperStruct00.var_1_5 == ((signed long int) (((((WrapperStruct00.var_1_20) > (-64)) ? (WrapperStruct00.var_1_20) : (-64))) + ((WrapperStruct00.var_1_20 + -2) + WrapperStruct00.var_1_18)))) : 1)) && (WrapperStruct00.var_1_3 ? ((WrapperStruct00.var_1_20 >= ((WrapperStruct00.var_1_18 - WrapperStruct00.var_1_20) * 64)) ? (WrapperStruct00.var_1_9 == ((double) (((((WrapperStruct00.var_1_12) < (50.5)) ? (WrapperStruct00.var_1_12) : (50.5))) - WrapperStruct00.var_1_13))) : 1) : ((WrapperStruct00.var_1_1 <= WrapperStruct00.var_1_1) ? (WrapperStruct00.var_1_9 == ((double) (WrapperStruct00.var_1_13 - (WrapperStruct00.var_1_14 - WrapperStruct00.var_1_15)))) : 1))) && (WrapperStruct00.var_1_16 == ((signed char) WrapperStruct00.var_1_17))) && (WrapperStruct00.var_1_18 == ((unsigned short int) WrapperStruct00.var_1_19)) [L107] EXPR ((((((0.625f > last_1_WrapperStruct00_var_1_9) ? (WrapperStruct00.var_1_3 ? (WrapperStruct00.var_1_1 == ((float) ((((WrapperStruct00.var_1_4) < 0 ) ? -(WrapperStruct00.var_1_4) : (WrapperStruct00.var_1_4))))) : 1) : (WrapperStruct00.var_1_1 == ((float) ((((WrapperStruct00.var_1_4) < 0 ) ? -(WrapperStruct00.var_1_4) : (WrapperStruct00.var_1_4)))))) && ((WrapperStruct00.var_1_4 > WrapperStruct00.var_1_9) ? (WrapperStruct00.var_1_5 == ((signed long int) (((((WrapperStruct00.var_1_20) > (-64)) ? (WrapperStruct00.var_1_20) : (-64))) + ((WrapperStruct00.var_1_20 + -2) + WrapperStruct00.var_1_18)))) : 1)) && (WrapperStruct00.var_1_3 ? ((WrapperStruct00.var_1_20 >= ((WrapperStruct00.var_1_18 - WrapperStruct00.var_1_20) * 64)) ? (WrapperStruct00.var_1_9 == ((double) (((((WrapperStruct00.var_1_12) < (50.5)) ? (WrapperStruct00.var_1_12) : (50.5))) - WrapperStruct00.var_1_13))) : 1) : ((WrapperStruct00.var_1_1 <= WrapperStruct00.var_1_1) ? (WrapperStruct00.var_1_9 == ((double) (WrapperStruct00.var_1_13 - (WrapperStruct00.var_1_14 - WrapperStruct00.var_1_15)))) : 1))) && (WrapperStruct00.var_1_16 == ((signed char) WrapperStruct00.var_1_17))) && (WrapperStruct00.var_1_18 == ((unsigned short int) WrapperStruct00.var_1_19))) && (WrapperStruct00.var_1_20 == ((unsigned short int) WrapperStruct00.var_1_19)) [L107-L108] return ((((((0.625f > last_1_WrapperStruct00_var_1_9) ? (WrapperStruct00.var_1_3 ? (WrapperStruct00.var_1_1 == ((float) ((((WrapperStruct00.var_1_4) < 0 ) ? -(WrapperStruct00.var_1_4) : (WrapperStruct00.var_1_4))))) : 1) : (WrapperStruct00.var_1_1 == ((float) ((((WrapperStruct00.var_1_4) < 0 ) ? -(WrapperStruct00.var_1_4) : (WrapperStruct00.var_1_4)))))) && ((WrapperStruct00.var_1_4 > WrapperStruct00.var_1_9) ? (WrapperStruct00.var_1_5 == ((signed long int) (((((WrapperStruct00.var_1_20) > (-64)) ? (WrapperStruct00.var_1_20) : (-64))) + ((WrapperStruct00.var_1_20 + -2) + WrapperStruct00.var_1_18)))) : 1)) && (WrapperStruct00.var_1_3 ? ((WrapperStruct00.var_1_20 >= ((WrapperStruct00.var_1_18 - WrapperStruct00.var_1_20) * 64)) ? (WrapperStruct00.var_1_9 == ((double) (((((WrapperStruct00.var_1_12) < (50.5)) ? (WrapperStruct00.var_1_12) : (50.5))) - WrapperStruct00.var_1_13))) : 1) : ((WrapperStruct00.var_1_1 <= WrapperStruct00.var_1_1) ? (WrapperStruct00.var_1_9 == ((double) (WrapperStruct00.var_1_13 - (WrapperStruct00.var_1_14 - WrapperStruct00.var_1_15)))) : 1))) && (WrapperStruct00.var_1_16 == ((signed char) WrapperStruct00.var_1_17))) && (WrapperStruct00.var_1_18 == ((unsigned short int) WrapperStruct00.var_1_19))) && (WrapperStruct00.var_1_20 == ((unsigned short int) WrapperStruct00.var_1_19)) ; [L117] RET, EXPR property() [L117] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [WrapperStruct00={4:0}, \old(cond)=0, cond=0, isInitial=1, last_1_WrapperStruct00_var_1_9=201/2] [L19] reach_error() VAL [WrapperStruct00={4:0}, \old(cond)=0, cond=0, isInitial=1, last_1_WrapperStruct00_var_1_9=201/2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 31 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.6s, OverallIterations: 1, TraceHistogramMax: 11, 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=31occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 48 NumberOfCodeBlocks, 48 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-24 23:14:21,664 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e426bff-4747-4322-b0d3-cd7369951066/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e426bff-4747-4322-b0d3-cd7369951066/bin/utaipan-verify-SwPr7d2a91/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e426bff-4747-4322-b0d3-cd7369951066/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_6e426bff-4747-4322-b0d3-cd7369951066/bin/utaipan-verify-SwPr7d2a91/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e426bff-4747-4322-b0d3-cd7369951066/bin/utaipan-verify-SwPr7d2a91/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-65.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e426bff-4747-4322-b0d3-cd7369951066/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_6e426bff-4747-4322-b0d3-cd7369951066/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 2dc4b4561b119f2d441fb605148029621181083992b9a4c5c6ca30ee08fd9eac --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 23:14:24,413 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:14:24,502 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e426bff-4747-4322-b0d3-cd7369951066/bin/utaipan-verify-SwPr7d2a91/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2023-11-24 23:14:24,508 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 23:14:24,508 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-24 23:14:24,534 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:14:24,535 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-24 23:14:24,536 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-24 23:14:24,537 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 23:14:24,537 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-24 23:14:24,538 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-24 23:14:24,539 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-24 23:14:24,539 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-24 23:14:24,540 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-24 23:14:24,542 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-24 23:14:24,542 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-24 23:14:24,546 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:14:24,546 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 23:14:24,547 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 23:14:24,552 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 23:14:24,553 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:14:24,553 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 23:14:24,554 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:14:24,554 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 23:14:24,555 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-24 23:14:24,555 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-24 23:14:24,556 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-24 23:14:24,557 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 23:14:24,558 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 23:14:24,558 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:14:24,559 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:14:24,560 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-24 23:14:24,560 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-24 23:14:24,561 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-24 23:14:24,561 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-24 23:14:24,562 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:14:24,562 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:14:24,562 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 23:14:24,563 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-24 23:14:24,564 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-24 23:14:24,564 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-24 23:14:24,564 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 23:14:24,565 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-24 23:14:24,565 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-24 23:14:24,565 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_6e426bff-4747-4322-b0d3-cd7369951066/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e426bff-4747-4322-b0d3-cd7369951066/bin/utaipan-verify-SwPr7d2a91 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2dc4b4561b119f2d441fb605148029621181083992b9a4c5c6ca30ee08fd9eac [2023-11-24 23:14:25,008 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:14:25,035 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:14:25,039 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:14:25,040 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:14:25,041 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:14:25,042 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e426bff-4747-4322-b0d3-cd7369951066/bin/utaipan-verify-SwPr7d2a91/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-65.i [2023-11-24 23:14:28,287 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:14:28,546 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:14:28,547 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e426bff-4747-4322-b0d3-cd7369951066/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-65.i [2023-11-24 23:14:28,559 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e426bff-4747-4322-b0d3-cd7369951066/bin/utaipan-verify-SwPr7d2a91/data/4be41d6d0/5a2f7e3f2fb44483a5597c3ab70f03d4/FLAG0e985b31a [2023-11-24 23:14:28,574 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e426bff-4747-4322-b0d3-cd7369951066/bin/utaipan-verify-SwPr7d2a91/data/4be41d6d0/5a2f7e3f2fb44483a5597c3ab70f03d4 [2023-11-24 23:14:28,580 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:14:28,582 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:14:28,586 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:14:28,587 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:14:28,593 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:14:28,593 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:14:28" (1/1) ... [2023-11-24 23:14:28,595 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2466311 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:14:28, skipping insertion in model container [2023-11-24 23:14:28,595 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:14:28" (1/1) ... [2023-11-24 23:14:28,628 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:14:28,833 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_6e426bff-4747-4322-b0d3-cd7369951066/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-65.i[916,929] [2023-11-24 23:14:28,925 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:14:28,948 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 23:14:28,967 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_6e426bff-4747-4322-b0d3-cd7369951066/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-65.i[916,929] [2023-11-24 23:14:29,068 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:14:29,106 INFO L206 MainTranslator]: Completed translation [2023-11-24 23:14:29,107 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:14:29 WrapperNode [2023-11-24 23:14:29,107 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:14:29,108 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 23:14:29,109 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 23:14:29,109 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 23:14:29,117 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:14:29" (1/1) ... [2023-11-24 23:14:29,149 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:14:29" (1/1) ... [2023-11-24 23:14:29,211 INFO L138 Inliner]: procedures = 39, calls = 146, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 428 [2023-11-24 23:14:29,211 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 23:14:29,212 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 23:14:29,212 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 23:14:29,212 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 23:14:29,224 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:14:29" (1/1) ... [2023-11-24 23:14:29,225 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:14:29" (1/1) ... [2023-11-24 23:14:29,245 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:14:29" (1/1) ... [2023-11-24 23:14:29,245 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:14:29" (1/1) ... [2023-11-24 23:14:29,291 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:14:29" (1/1) ... [2023-11-24 23:14:29,296 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:14:29" (1/1) ... [2023-11-24 23:14:29,300 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:14:29" (1/1) ... [2023-11-24 23:14:29,304 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:14:29" (1/1) ... [2023-11-24 23:14:29,327 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 23:14:29,328 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 23:14:29,328 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 23:14:29,328 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 23:14:29,329 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:14:29" (1/1) ... [2023-11-24 23:14:29,334 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-24 23:14:29,349 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e426bff-4747-4322-b0d3-cd7369951066/bin/utaipan-verify-SwPr7d2a91/z3 [2023-11-24 23:14:29,371 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e426bff-4747-4322-b0d3-cd7369951066/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-24 23:14:29,408 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e426bff-4747-4322-b0d3-cd7369951066/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-24 23:14:29,419 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 23:14:29,420 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2023-11-24 23:14:29,420 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2023-11-24 23:14:29,420 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2023-11-24 23:14:29,420 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2023-11-24 23:14:29,420 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-24 23:14:29,421 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2023-11-24 23:14:29,422 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2023-11-24 23:14:29,423 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8 [2023-11-24 23:14:29,423 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-24 23:14:29,423 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2023-11-24 23:14:29,423 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2023-11-24 23:14:29,424 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4 [2023-11-24 23:14:29,424 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-24 23:14:29,424 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-24 23:14:29,424 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 23:14:29,425 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 23:14:29,425 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2023-11-24 23:14:29,426 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2023-11-24 23:14:29,426 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-24 23:14:29,560 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 23:14:29,562 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 23:14:33,493 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 23:14:33,543 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 23:14:33,544 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-24 23:14:33,544 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:14:33 BoogieIcfgContainer [2023-11-24 23:14:33,544 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 23:14:33,547 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-24 23:14:33,547 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-24 23:14:33,551 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-24 23:14:33,551 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 11:14:28" (1/3) ... [2023-11-24 23:14:33,552 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@53d594a4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 11:14:33, skipping insertion in model container [2023-11-24 23:14:33,552 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:14:29" (2/3) ... [2023-11-24 23:14:33,553 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@53d594a4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 11:14:33, skipping insertion in model container [2023-11-24 23:14:33,553 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:14:33" (3/3) ... [2023-11-24 23:14:33,555 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-s_file-65.i [2023-11-24 23:14:33,575 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-24 23:14:33,575 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-24 23:14:33,631 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-24 23:14:33,639 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;@1e44f09d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-24 23:14:33,639 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-24 23:14:33,644 INFO L276 IsEmpty]: Start isEmpty. Operand has 106 states, 92 states have (on average 1.4891304347826086) internal successors, (137), 93 states have internal predecessors, (137), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2023-11-24 23:14:33,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2023-11-24 23:14:33,660 INFO L187 NwaCegarLoop]: Found error trace [2023-11-24 23:14:33,661 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-24 23:14:33,661 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-24 23:14:33,667 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:14:33,668 INFO L85 PathProgramCache]: Analyzing trace with hash 2011340143, now seen corresponding path program 1 times [2023-11-24 23:14:33,689 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-24 23:14:33,690 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [745851359] [2023-11-24 23:14:33,690 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:14:33,691 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 23:14:33,691 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e426bff-4747-4322-b0d3-cd7369951066/bin/utaipan-verify-SwPr7d2a91/mathsat [2023-11-24 23:14:33,697 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e426bff-4747-4322-b0d3-cd7369951066/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 23:14:33,745 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e426bff-4747-4322-b0d3-cd7369951066/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 23:14:34,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:14:34,385 INFO L262 TraceCheckSpWp]: Trace formula consists of 246 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-24 23:14:34,395 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:14:34,436 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 116 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2023-11-24 23:14:34,437 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-24 23:14:34,437 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-24 23:14:34,438 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [745851359] [2023-11-24 23:14:34,438 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [745851359] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-24 23:14:34,439 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-24 23:14:34,439 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-24 23:14:34,440 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1013024067] [2023-11-24 23:14:34,441 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-24 23:14:34,446 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-24 23:14:34,446 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-24 23:14:34,475 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-24 23:14:34,476 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-24 23:14:34,479 INFO L87 Difference]: Start difference. First operand has 106 states, 92 states have (on average 1.4891304347826086) internal successors, (137), 93 states have internal predecessors, (137), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) Second operand has 2 states, 2 states have (on average 29.5) internal successors, (59), 2 states have internal predecessors, (59), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2023-11-24 23:14:34,540 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-24 23:14:34,540 INFO L93 Difference]: Finished difference Result 209 states and 327 transitions. [2023-11-24 23:14:34,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-24 23:14:34,543 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 29.5) internal successors, (59), 2 states have internal predecessors, (59), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 107 [2023-11-24 23:14:34,544 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-24 23:14:34,553 INFO L225 Difference]: With dead ends: 209 [2023-11-24 23:14:34,553 INFO L226 Difference]: Without dead ends: 104 [2023-11-24 23:14:34,557 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 106 GetRequests, 106 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 23:14:34,561 INFO L413 NwaCegarLoop]: 148 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, 148 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 23:14:34,562 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 148 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-24 23:14:34,581 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2023-11-24 23:14:34,608 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 104. [2023-11-24 23:14:34,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 104 states, 91 states have (on average 1.4285714285714286) internal successors, (130), 91 states have internal predecessors, (130), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2023-11-24 23:14:34,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 152 transitions. [2023-11-24 23:14:34,614 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 152 transitions. Word has length 107 [2023-11-24 23:14:34,615 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-24 23:14:34,615 INFO L495 AbstractCegarLoop]: Abstraction has 104 states and 152 transitions. [2023-11-24 23:14:34,615 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 29.5) internal successors, (59), 2 states have internal predecessors, (59), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2023-11-24 23:14:34,616 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 152 transitions. [2023-11-24 23:14:34,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2023-11-24 23:14:34,619 INFO L187 NwaCegarLoop]: Found error trace [2023-11-24 23:14:34,619 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-24 23:14:34,647 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e426bff-4747-4322-b0d3-cd7369951066/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 23:14:34,847 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e426bff-4747-4322-b0d3-cd7369951066/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 23:14:34,848 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-24 23:14:34,848 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:14:34,849 INFO L85 PathProgramCache]: Analyzing trace with hash -259022551, now seen corresponding path program 1 times [2023-11-24 23:14:34,849 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-24 23:14:34,850 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1054590463] [2023-11-24 23:14:34,850 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:14:34,850 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 23:14:34,850 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e426bff-4747-4322-b0d3-cd7369951066/bin/utaipan-verify-SwPr7d2a91/mathsat [2023-11-24 23:14:34,852 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e426bff-4747-4322-b0d3-cd7369951066/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 23:14:34,856 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e426bff-4747-4322-b0d3-cd7369951066/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 23:14:35,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:14:35,474 INFO L262 TraceCheckSpWp]: Trace formula consists of 246 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-24 23:14:35,480 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:14:35,578 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 72 proven. 0 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2023-11-24 23:14:35,578 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-24 23:14:35,578 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-24 23:14:35,578 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1054590463] [2023-11-24 23:14:35,579 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1054590463] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-24 23:14:35,579 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-24 23:14:35,579 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-24 23:14:35,579 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [771783410] [2023-11-24 23:14:35,579 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-24 23:14:35,591 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-24 23:14:35,591 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-24 23:14:35,592 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-24 23:14:35,593 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-24 23:14:35,593 INFO L87 Difference]: Start difference. First operand 104 states and 152 transitions. Second operand has 4 states, 4 states have (on average 14.5) internal successors, (58), 4 states have internal predecessors, (58), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2023-11-24 23:14:35,753 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-24 23:14:35,753 INFO L93 Difference]: Finished difference Result 213 states and 312 transitions. [2023-11-24 23:14:35,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-24 23:14:35,754 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.5) internal successors, (58), 4 states have internal predecessors, (58), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 107 [2023-11-24 23:14:35,754 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-24 23:14:35,761 INFO L225 Difference]: With dead ends: 213 [2023-11-24 23:14:35,761 INFO L226 Difference]: Without dead ends: 110 [2023-11-24 23:14:35,764 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 107 GetRequests, 104 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-24 23:14:35,766 INFO L413 NwaCegarLoop]: 149 mSDtfsCounter, 10 mSDsluCounter, 287 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 436 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-24 23:14:35,766 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 436 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-24 23:14:35,768 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110 states. [2023-11-24 23:14:35,783 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110 to 106. [2023-11-24 23:14:35,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 106 states, 93 states have (on average 1.4193548387096775) internal successors, (132), 93 states have internal predecessors, (132), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2023-11-24 23:14:35,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 154 transitions. [2023-11-24 23:14:35,792 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 154 transitions. Word has length 107 [2023-11-24 23:14:35,792 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-24 23:14:35,792 INFO L495 AbstractCegarLoop]: Abstraction has 106 states and 154 transitions. [2023-11-24 23:14:35,794 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.5) internal successors, (58), 4 states have internal predecessors, (58), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2023-11-24 23:14:35,794 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 154 transitions. [2023-11-24 23:14:35,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2023-11-24 23:14:35,806 INFO L187 NwaCegarLoop]: Found error trace [2023-11-24 23:14:35,806 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-24 23:14:35,825 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e426bff-4747-4322-b0d3-cd7369951066/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 23:14:36,007 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e426bff-4747-4322-b0d3-cd7369951066/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 23:14:36,007 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-24 23:14:36,008 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:14:36,008 INFO L85 PathProgramCache]: Analyzing trace with hash 624486439, now seen corresponding path program 1 times [2023-11-24 23:14:36,009 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-24 23:14:36,009 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [886051711] [2023-11-24 23:14:36,009 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:14:36,010 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 23:14:36,010 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e426bff-4747-4322-b0d3-cd7369951066/bin/utaipan-verify-SwPr7d2a91/mathsat [2023-11-24 23:14:36,012 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e426bff-4747-4322-b0d3-cd7369951066/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 23:14:36,045 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e426bff-4747-4322-b0d3-cd7369951066/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 23:14:36,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:14:36,646 INFO L262 TraceCheckSpWp]: Trace formula consists of 248 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-24 23:14:36,652 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:14:36,777 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-24 23:14:36,778 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 62 treesize of output 20 [2023-11-24 23:14:38,271 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2023-11-24 23:14:38,273 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-24 23:14:38,273 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-24 23:14:38,274 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [886051711] [2023-11-24 23:14:38,275 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [886051711] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-24 23:14:38,275 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-24 23:14:38,276 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-24 23:14:38,276 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [790958340] [2023-11-24 23:14:38,277 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-24 23:14:38,277 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-24 23:14:38,279 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-24 23:14:38,280 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-24 23:14:38,281 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-24 23:14:38,284 INFO L87 Difference]: Start difference. First operand 106 states and 154 transitions. Second operand has 4 states, 4 states have (on average 13.75) internal successors, (55), 3 states have internal predecessors, (55), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2023-11-24 23:14:41,009 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-24 23:14:43,037 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-24 23:14:49,817 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-24 23:14:52,520 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-24 23:14:52,520 INFO L93 Difference]: Finished difference Result 345 states and 498 transitions. [2023-11-24 23:14:52,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-24 23:14:52,521 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.75) internal successors, (55), 3 states have internal predecessors, (55), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 107 [2023-11-24 23:14:52,521 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-24 23:14:52,523 INFO L225 Difference]: With dead ends: 345 [2023-11-24 23:14:52,523 INFO L226 Difference]: Without dead ends: 240 [2023-11-24 23:14:52,524 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 107 GetRequests, 104 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-24 23:14:52,526 INFO L413 NwaCegarLoop]: 123 mSDtfsCounter, 183 mSDsluCounter, 182 mSDsCounter, 0 mSdLazyCounter, 195 mSolverCounterSat, 35 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 183 SdHoareTripleChecker+Valid, 305 SdHoareTripleChecker+Invalid, 233 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 195 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.1s IncrementalHoareTripleChecker+Time [2023-11-24 23:14:52,526 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [183 Valid, 305 Invalid, 233 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 195 Invalid, 3 Unknown, 0 Unchecked, 14.1s Time] [2023-11-24 23:14:52,531 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 240 states. [2023-11-24 23:14:52,556 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 240 to 208. [2023-11-24 23:14:52,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 208 states, 183 states have (on average 1.3989071038251366) internal successors, (256), 183 states have internal predecessors, (256), 22 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2023-11-24 23:14:52,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 208 states and 300 transitions. [2023-11-24 23:14:52,564 INFO L78 Accepts]: Start accepts. Automaton has 208 states and 300 transitions. Word has length 107 [2023-11-24 23:14:52,565 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-24 23:14:52,565 INFO L495 AbstractCegarLoop]: Abstraction has 208 states and 300 transitions. [2023-11-24 23:14:52,565 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.75) internal successors, (55), 3 states have internal predecessors, (55), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2023-11-24 23:14:52,566 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 300 transitions. [2023-11-24 23:14:52,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2023-11-24 23:14:52,568 INFO L187 NwaCegarLoop]: Found error trace [2023-11-24 23:14:52,568 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-24 23:14:52,586 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e426bff-4747-4322-b0d3-cd7369951066/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 23:14:52,781 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e426bff-4747-4322-b0d3-cd7369951066/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 23:14:52,781 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-24 23:14:52,782 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:14:52,782 INFO L85 PathProgramCache]: Analyzing trace with hash -535186472, now seen corresponding path program 1 times [2023-11-24 23:14:52,783 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-24 23:14:52,783 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1893605550] [2023-11-24 23:14:52,783 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:14:52,783 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 23:14:52,783 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e426bff-4747-4322-b0d3-cd7369951066/bin/utaipan-verify-SwPr7d2a91/mathsat [2023-11-24 23:14:52,785 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e426bff-4747-4322-b0d3-cd7369951066/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 23:14:52,800 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e426bff-4747-4322-b0d3-cd7369951066/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 23:14:53,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:14:53,283 INFO L262 TraceCheckSpWp]: Trace formula consists of 256 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-24 23:14:53,287 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:14:53,351 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2023-11-24 23:14:53,351 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-24 23:14:53,351 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-24 23:14:53,352 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1893605550] [2023-11-24 23:14:53,352 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1893605550] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-24 23:14:53,352 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-24 23:14:53,352 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-24 23:14:53,353 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2113264733] [2023-11-24 23:14:53,353 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-24 23:14:53,354 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-24 23:14:53,354 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-24 23:14:53,355 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-24 23:14:53,355 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-24 23:14:53,355 INFO L87 Difference]: Start difference. First operand 208 states and 300 transitions. Second operand has 5 states, 5 states have (on average 11.2) internal successors, (56), 5 states have internal predecessors, (56), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2023-11-24 23:14:53,565 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-24 23:14:53,565 INFO L93 Difference]: Finished difference Result 457 states and 659 transitions. [2023-11-24 23:14:53,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-24 23:14:53,566 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.2) internal successors, (56), 5 states have internal predecessors, (56), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 108 [2023-11-24 23:14:53,567 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-24 23:14:53,569 INFO L225 Difference]: With dead ends: 457 [2023-11-24 23:14:53,569 INFO L226 Difference]: Without dead ends: 250 [2023-11-24 23:14:53,570 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 110 GetRequests, 104 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 23:14:53,571 INFO L413 NwaCegarLoop]: 143 mSDtfsCounter, 46 mSDsluCounter, 427 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 46 SdHoareTripleChecker+Valid, 570 SdHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-24 23:14:53,572 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [46 Valid, 570 Invalid, 44 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-24 23:14:53,573 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 250 states. [2023-11-24 23:14:53,591 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 250 to 216. [2023-11-24 23:14:53,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 216 states, 191 states have (on average 1.382198952879581) internal successors, (264), 191 states have internal predecessors, (264), 22 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2023-11-24 23:14:53,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 216 states and 308 transitions. [2023-11-24 23:14:53,594 INFO L78 Accepts]: Start accepts. Automaton has 216 states and 308 transitions. Word has length 108 [2023-11-24 23:14:53,595 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-24 23:14:53,595 INFO L495 AbstractCegarLoop]: Abstraction has 216 states and 308 transitions. [2023-11-24 23:14:53,595 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.2) internal successors, (56), 5 states have internal predecessors, (56), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2023-11-24 23:14:53,596 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 308 transitions. [2023-11-24 23:14:53,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2023-11-24 23:14:53,597 INFO L187 NwaCegarLoop]: Found error trace [2023-11-24 23:14:53,597 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-24 23:14:53,610 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e426bff-4747-4322-b0d3-cd7369951066/bin/utaipan-verify-SwPr7d2a91/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2023-11-24 23:14:53,810 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e426bff-4747-4322-b0d3-cd7369951066/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 23:14:53,810 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-24 23:14:53,810 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:14:53,811 INFO L85 PathProgramCache]: Analyzing trace with hash -1344533098, now seen corresponding path program 1 times [2023-11-24 23:14:53,812 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-24 23:14:53,812 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1994903483] [2023-11-24 23:14:53,812 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:14:53,813 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 23:14:53,813 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e426bff-4747-4322-b0d3-cd7369951066/bin/utaipan-verify-SwPr7d2a91/mathsat [2023-11-24 23:14:53,815 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e426bff-4747-4322-b0d3-cd7369951066/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 23:14:53,850 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e426bff-4747-4322-b0d3-cd7369951066/bin/utaipan-verify-SwPr7d2a91/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2023-11-24 23:14:54,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:14:54,319 INFO L262 TraceCheckSpWp]: Trace formula consists of 253 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-24 23:14:54,324 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:14:54,439 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2023-11-24 23:14:54,440 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-24 23:14:54,440 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-24 23:14:54,440 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1994903483] [2023-11-24 23:14:54,440 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1994903483] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-24 23:14:54,440 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-24 23:14:54,441 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-24 23:14:54,441 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [503641256] [2023-11-24 23:14:54,441 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-24 23:14:54,442 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-24 23:14:54,442 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-24 23:14:54,443 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-24 23:14:54,443 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-11-24 23:14:54,443 INFO L87 Difference]: Start difference. First operand 216 states and 308 transitions. Second operand has 6 states, 6 states have (on average 9.333333333333334) internal successors, (56), 6 states have internal predecessors, (56), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2023-11-24 23:14:54,834 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-24 23:14:54,834 INFO L93 Difference]: Finished difference Result 471 states and 669 transitions. [2023-11-24 23:14:54,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-11-24 23:14:54,845 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.333333333333334) internal successors, (56), 6 states have internal predecessors, (56), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 108 [2023-11-24 23:14:54,846 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-24 23:14:54,848 INFO L225 Difference]: With dead ends: 471 [2023-11-24 23:14:54,848 INFO L226 Difference]: Without dead ends: 256 [2023-11-24 23:14:54,849 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 113 GetRequests, 103 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2023-11-24 23:14:54,850 INFO L413 NwaCegarLoop]: 141 mSDtfsCounter, 49 mSDsluCounter, 565 mSDsCounter, 0 mSdLazyCounter, 61 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 49 SdHoareTripleChecker+Valid, 706 SdHoareTripleChecker+Invalid, 64 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 61 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-24 23:14:54,851 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [49 Valid, 706 Invalid, 64 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 61 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-24 23:14:54,852 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 256 states. [2023-11-24 23:14:54,890 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 256 to 220. [2023-11-24 23:14:54,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 220 states, 195 states have (on average 1.3743589743589744) internal successors, (268), 195 states have internal predecessors, (268), 22 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2023-11-24 23:14:54,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 220 states and 312 transitions. [2023-11-24 23:14:54,903 INFO L78 Accepts]: Start accepts. Automaton has 220 states and 312 transitions. Word has length 108 [2023-11-24 23:14:54,903 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-24 23:14:54,904 INFO L495 AbstractCegarLoop]: Abstraction has 220 states and 312 transitions. [2023-11-24 23:14:54,904 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.333333333333334) internal successors, (56), 6 states have internal predecessors, (56), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2023-11-24 23:14:54,905 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 312 transitions. [2023-11-24 23:14:54,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2023-11-24 23:14:54,908 INFO L187 NwaCegarLoop]: Found error trace [2023-11-24 23:14:54,909 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-24 23:14:54,932 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e426bff-4747-4322-b0d3-cd7369951066/bin/utaipan-verify-SwPr7d2a91/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2023-11-24 23:14:55,131 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e426bff-4747-4322-b0d3-cd7369951066/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 23:14:55,132 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-24 23:14:55,132 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:14:55,132 INFO L85 PathProgramCache]: Analyzing trace with hash -1287274796, now seen corresponding path program 1 times [2023-11-24 23:14:55,133 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-24 23:14:55,133 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [448945957] [2023-11-24 23:14:55,133 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:14:55,133 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 23:14:55,134 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e426bff-4747-4322-b0d3-cd7369951066/bin/utaipan-verify-SwPr7d2a91/mathsat [2023-11-24 23:14:55,135 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e426bff-4747-4322-b0d3-cd7369951066/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 23:14:55,138 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e426bff-4747-4322-b0d3-cd7369951066/bin/utaipan-verify-SwPr7d2a91/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2023-11-24 23:14:55,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:14:55,700 INFO L262 TraceCheckSpWp]: Trace formula consists of 250 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-24 23:14:55,703 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:14:55,869 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2023-11-24 23:14:55,869 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-24 23:14:55,869 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-24 23:14:55,870 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [448945957] [2023-11-24 23:14:55,870 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [448945957] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-24 23:14:55,870 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-24 23:14:55,870 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-24 23:14:55,870 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [566576004] [2023-11-24 23:14:55,870 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-24 23:14:55,871 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-24 23:14:55,871 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-24 23:14:55,872 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-24 23:14:55,872 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-11-24 23:14:55,872 INFO L87 Difference]: Start difference. First operand 220 states and 312 transitions. Second operand has 7 states, 7 states have (on average 8.0) internal successors, (56), 7 states have internal predecessors, (56), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2023-11-24 23:14:56,377 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-24 23:14:56,379 INFO L93 Difference]: Finished difference Result 477 states and 669 transitions. [2023-11-24 23:14:56,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-11-24 23:14:56,380 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.0) internal successors, (56), 7 states have internal predecessors, (56), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 108 [2023-11-24 23:14:56,381 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-24 23:14:56,384 INFO L225 Difference]: With dead ends: 477 [2023-11-24 23:14:56,385 INFO L226 Difference]: Without dead ends: 258 [2023-11-24 23:14:56,387 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 117 GetRequests, 102 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=86, Invalid=186, Unknown=0, NotChecked=0, Total=272 [2023-11-24 23:14:56,389 INFO L413 NwaCegarLoop]: 140 mSDtfsCounter, 40 mSDsluCounter, 696 mSDsCounter, 0 mSdLazyCounter, 79 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 40 SdHoareTripleChecker+Valid, 836 SdHoareTripleChecker+Invalid, 83 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 79 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-24 23:14:56,390 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [40 Valid, 836 Invalid, 83 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 79 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-24 23:14:56,392 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 258 states. [2023-11-24 23:14:56,410 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 258 to 224. [2023-11-24 23:14:56,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 224 states, 199 states have (on average 1.3668341708542713) internal successors, (272), 199 states have internal predecessors, (272), 22 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2023-11-24 23:14:56,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 224 states and 316 transitions. [2023-11-24 23:14:56,413 INFO L78 Accepts]: Start accepts. Automaton has 224 states and 316 transitions. Word has length 108 [2023-11-24 23:14:56,414 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-24 23:14:56,414 INFO L495 AbstractCegarLoop]: Abstraction has 224 states and 316 transitions. [2023-11-24 23:14:56,414 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.0) internal successors, (56), 7 states have internal predecessors, (56), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2023-11-24 23:14:56,415 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 316 transitions. [2023-11-24 23:14:56,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2023-11-24 23:14:56,416 INFO L187 NwaCegarLoop]: Found error trace [2023-11-24 23:14:56,417 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-24 23:14:56,429 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e426bff-4747-4322-b0d3-cd7369951066/bin/utaipan-verify-SwPr7d2a91/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2023-11-24 23:14:56,624 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e426bff-4747-4322-b0d3-cd7369951066/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 23:14:56,625 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-24 23:14:56,625 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:14:56,625 INFO L85 PathProgramCache]: Analyzing trace with hash -1287215214, now seen corresponding path program 1 times [2023-11-24 23:14:56,626 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-24 23:14:56,626 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [687074666] [2023-11-24 23:14:56,626 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:14:56,626 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 23:14:56,627 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e426bff-4747-4322-b0d3-cd7369951066/bin/utaipan-verify-SwPr7d2a91/mathsat [2023-11-24 23:14:56,628 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e426bff-4747-4322-b0d3-cd7369951066/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 23:14:56,630 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e426bff-4747-4322-b0d3-cd7369951066/bin/utaipan-verify-SwPr7d2a91/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2023-11-24 23:14:57,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:14:57,266 INFO L262 TraceCheckSpWp]: Trace formula consists of 247 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-24 23:14:57,271 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:14:57,491 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-24 23:14:57,492 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 173 treesize of output 65 [2023-11-24 23:14:57,554 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 96 proven. 0 refuted. 0 times theorem prover too weak. 124 trivial. 0 not checked. [2023-11-24 23:14:57,554 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-24 23:14:57,554 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-24 23:14:57,554 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [687074666] [2023-11-24 23:14:57,554 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [687074666] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-24 23:14:57,554 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-24 23:14:57,555 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-24 23:14:57,555 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [787916966] [2023-11-24 23:14:57,555 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-24 23:14:57,555 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-24 23:14:57,555 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-24 23:14:57,556 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-24 23:14:57,556 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-11-24 23:14:57,556 INFO L87 Difference]: Start difference. First operand 224 states and 316 transitions. Second operand has 6 states, 6 states have (on average 9.833333333333334) internal successors, (59), 5 states have internal predecessors, (59), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2023-11-24 23:15:01,175 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-24 23:15:01,175 INFO L93 Difference]: Finished difference Result 459 states and 649 transitions. [2023-11-24 23:15:01,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-24 23:15:01,176 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.833333333333334) internal successors, (59), 5 states have internal predecessors, (59), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 108 [2023-11-24 23:15:01,176 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-24 23:15:01,178 INFO L225 Difference]: With dead ends: 459 [2023-11-24 23:15:01,178 INFO L226 Difference]: Without dead ends: 236 [2023-11-24 23:15:01,179 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 111 GetRequests, 103 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=35, Invalid=55, Unknown=0, NotChecked=0, Total=90 [2023-11-24 23:15:01,180 INFO L413 NwaCegarLoop]: 103 mSDtfsCounter, 149 mSDsluCounter, 251 mSDsCounter, 0 mSdLazyCounter, 246 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 149 SdHoareTripleChecker+Valid, 354 SdHoareTripleChecker+Invalid, 251 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 246 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.4s IncrementalHoareTripleChecker+Time [2023-11-24 23:15:01,180 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [149 Valid, 354 Invalid, 251 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 246 Invalid, 0 Unknown, 0 Unchecked, 3.4s Time] [2023-11-24 23:15:01,181 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 236 states. [2023-11-24 23:15:01,193 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 236 to 224. [2023-11-24 23:15:01,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 224 states, 199 states have (on average 1.35678391959799) internal successors, (270), 199 states have internal predecessors, (270), 22 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2023-11-24 23:15:01,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 224 states and 314 transitions. [2023-11-24 23:15:01,196 INFO L78 Accepts]: Start accepts. Automaton has 224 states and 314 transitions. Word has length 108 [2023-11-24 23:15:01,196 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-24 23:15:01,197 INFO L495 AbstractCegarLoop]: Abstraction has 224 states and 314 transitions. [2023-11-24 23:15:01,197 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.833333333333334) internal successors, (59), 5 states have internal predecessors, (59), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2023-11-24 23:15:01,197 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 314 transitions. [2023-11-24 23:15:01,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2023-11-24 23:15:01,199 INFO L187 NwaCegarLoop]: Found error trace [2023-11-24 23:15:01,199 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-24 23:15:01,213 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e426bff-4747-4322-b0d3-cd7369951066/bin/utaipan-verify-SwPr7d2a91/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2023-11-24 23:15:01,411 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e426bff-4747-4322-b0d3-cd7369951066/bin/utaipan-verify-SwPr7d2a91/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-24 23:15:01,411 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-24 23:15:01,412 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:15:01,412 INFO L85 PathProgramCache]: Analyzing trace with hash 1411812504, now seen corresponding path program 1 times [2023-11-24 23:15:01,412 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-24 23:15:01,413 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [321435657] [2023-11-24 23:15:01,413 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:15:01,413 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-24 23:15:01,413 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e426bff-4747-4322-b0d3-cd7369951066/bin/utaipan-verify-SwPr7d2a91/mathsat [2023-11-24 23:15:01,414 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e426bff-4747-4322-b0d3-cd7369951066/bin/utaipan-verify-SwPr7d2a91/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-24 23:15:01,417 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e426bff-4747-4322-b0d3-cd7369951066/bin/utaipan-verify-SwPr7d2a91/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2023-11-24 23:15:01,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:15:01,924 INFO L262 TraceCheckSpWp]: Trace formula consists of 253 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-24 23:15:01,928 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:15:02,259 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-24 23:15:02,260 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 173 treesize of output 65 [2023-11-24 23:15:02,320 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 112 proven. 0 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2023-11-24 23:15:02,320 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-24 23:15:02,320 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-24 23:15:02,320 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [321435657] [2023-11-24 23:15:02,321 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [321435657] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-24 23:15:02,321 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-24 23:15:02,321 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-24 23:15:02,321 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [401857616] [2023-11-24 23:15:02,321 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-24 23:15:02,322 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-24 23:15:02,322 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-24 23:15:02,323 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-24 23:15:02,323 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-11-24 23:15:02,324 INFO L87 Difference]: Start difference. First operand 224 states and 314 transitions. Second operand has 6 states, 6 states have (on average 10.166666666666666) internal successors, (61), 5 states have internal predecessors, (61), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2023-11-24 23:15:05,359 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-24 23:15:06,598 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.24s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-24 23:15:09,490 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.86s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-24 23:15:09,982 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-24 23:15:09,983 INFO L93 Difference]: Finished difference Result 459 states and 645 transitions. [2023-11-24 23:15:09,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-24 23:15:09,984 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.166666666666666) internal successors, (61), 5 states have internal predecessors, (61), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 110 [2023-11-24 23:15:09,984 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-24 23:15:09,986 INFO L225 Difference]: With dead ends: 459 [2023-11-24 23:15:09,986 INFO L226 Difference]: Without dead ends: 236 [2023-11-24 23:15:09,987 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 113 GetRequests, 105 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=35, Invalid=55, Unknown=0, NotChecked=0, Total=90 [2023-11-24 23:15:09,988 INFO L413 NwaCegarLoop]: 102 mSDtfsCounter, 140 mSDsluCounter, 248 mSDsCounter, 0 mSdLazyCounter, 245 mSolverCounterSat, 5 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 140 SdHoareTripleChecker+Valid, 350 SdHoareTripleChecker+Invalid, 251 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 245 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.5s IncrementalHoareTripleChecker+Time [2023-11-24 23:15:09,988 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [140 Valid, 350 Invalid, 251 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 245 Invalid, 1 Unknown, 0 Unchecked, 7.5s Time] [2023-11-24 23:15:09,989 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 236 states. [2023-11-24 23:15:10,001 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 236 to 224. [2023-11-24 23:15:10,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 224 states, 199 states have (on average 1.3467336683417086) internal successors, (268), 199 states have internal predecessors, (268), 22 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2023-11-24 23:15:10,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 224 states and 312 transitions. [2023-11-24 23:15:10,004 INFO L78 Accepts]: Start accepts. Automaton has 224 states and 312 transitions. Word has length 110 [2023-11-24 23:15:10,005 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-24 23:15:10,005 INFO L495 AbstractCegarLoop]: Abstraction has 224 states and 312 transitions. [2023-11-24 23:15:10,005 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.166666666666666) internal successors, (61), 5 states have internal predecessors, (61), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2023-11-24 23:15:10,005 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 312 transitions. [2023-11-24 23:15:10,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2023-11-24 23:15:10,007 INFO L187 NwaCegarLoop]: Found error trace [2023-11-24 23:15:10,007 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-24 23:15:10,018 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e426bff-4747-4322-b0d3-cd7369951066/bin/utaipan-verify-SwPr7d2a91/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2023-11-24 23:15:10,212 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e426bff-4747-4322-b0d3-cd7369951066/bin/utaipan-verify-SwPr7d2a91/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-24 23:15:10,213 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-24 23:15:10,213 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:15:10,213 INFO L85 PathProgramCache]: Analyzing trace with hash 952779858, now seen corresponding path program 1 times [2023-11-24 23:15:10,213 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-24 23:15:10,214 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [536791266] [2023-11-24 23:15:10,214 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:15:10,214 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-24 23:15:10,214 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e426bff-4747-4322-b0d3-cd7369951066/bin/utaipan-verify-SwPr7d2a91/mathsat [2023-11-24 23:15:10,215 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e426bff-4747-4322-b0d3-cd7369951066/bin/utaipan-verify-SwPr7d2a91/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-24 23:15:10,216 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e426bff-4747-4322-b0d3-cd7369951066/bin/utaipan-verify-SwPr7d2a91/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2023-11-24 23:15:10,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:15:10,816 INFO L262 TraceCheckSpWp]: Trace formula consists of 259 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-24 23:15:10,820 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:15:11,302 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-24 23:15:11,302 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 175 treesize of output 67 [2023-11-24 23:15:11,369 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 120 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2023-11-24 23:15:11,369 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-24 23:15:11,369 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-24 23:15:11,369 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [536791266] [2023-11-24 23:15:11,370 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [536791266] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-24 23:15:11,370 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-24 23:15:11,370 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-24 23:15:11,370 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1573884693] [2023-11-24 23:15:11,370 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-24 23:15:11,371 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-24 23:15:11,371 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-24 23:15:11,371 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-24 23:15:11,372 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-11-24 23:15:11,372 INFO L87 Difference]: Start difference. First operand 224 states and 312 transitions. Second operand has 6 states, 6 states have (on average 10.5) internal successors, (63), 5 states have internal predecessors, (63), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11)