./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-13.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d4b5157-ff74-4981-b52a-e64d7db09440/bin/utaipan-verify-SwPr7d2a91/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d4b5157-ff74-4981-b52a-e64d7db09440/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_6d4b5157-ff74-4981-b52a-e64d7db09440/bin/utaipan-verify-SwPr7d2a91/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d4b5157-ff74-4981-b52a-e64d7db09440/bin/utaipan-verify-SwPr7d2a91/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-13.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d4b5157-ff74-4981-b52a-e64d7db09440/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_6d4b5157-ff74-4981-b52a-e64d7db09440/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 89473bb9a9d665e14d1630d8bffc5e3f1f6a66f5c07cc27a72988faba87a0da5 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 23:19:25,581 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:19:25,711 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d4b5157-ff74-4981-b52a-e64d7db09440/bin/utaipan-verify-SwPr7d2a91/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-11-24 23:19:25,716 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 23:19:25,718 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-24 23:19:25,756 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:19:25,759 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-24 23:19:25,760 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-24 23:19:25,761 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 23:19:25,767 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-24 23:19:25,767 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-24 23:19:25,769 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-24 23:19:25,769 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-24 23:19:25,771 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-24 23:19:25,772 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-24 23:19:25,772 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-24 23:19:25,773 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-24 23:19:25,773 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-24 23:19:25,774 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-24 23:19:25,774 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-24 23:19:25,775 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-24 23:19:25,776 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-24 23:19:25,777 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:19:25,778 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 23:19:25,778 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 23:19:25,779 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 23:19:25,779 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 23:19:25,780 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:19:25,780 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 23:19:25,781 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:19:25,782 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 23:19:25,783 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 23:19:25,783 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 23:19:25,783 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:19:25,784 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:19:25,784 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-24 23:19:25,784 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-24 23:19:25,785 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-24 23:19:25,786 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:19:25,786 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:19:25,787 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 23:19:25,787 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-24 23:19:25,788 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 23:19:25,788 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-24 23:19:25,789 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 23:19:25,789 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-24 23:19:25,789 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-24 23:19:25,790 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_6d4b5157-ff74-4981-b52a-e64d7db09440/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d4b5157-ff74-4981-b52a-e64d7db09440/bin/utaipan-verify-SwPr7d2a91 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 89473bb9a9d665e14d1630d8bffc5e3f1f6a66f5c07cc27a72988faba87a0da5 [2023-11-24 23:19:26,148 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:19:26,182 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:19:26,185 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:19:26,187 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:19:26,188 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:19:26,190 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d4b5157-ff74-4981-b52a-e64d7db09440/bin/utaipan-verify-SwPr7d2a91/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-13.i [2023-11-24 23:19:29,353 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:19:29,655 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:19:29,657 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d4b5157-ff74-4981-b52a-e64d7db09440/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-13.i [2023-11-24 23:19:29,668 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d4b5157-ff74-4981-b52a-e64d7db09440/bin/utaipan-verify-SwPr7d2a91/data/95969446e/339db1600a2c4791a74f49ae58010580/FLAGd207d6970 [2023-11-24 23:19:29,687 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d4b5157-ff74-4981-b52a-e64d7db09440/bin/utaipan-verify-SwPr7d2a91/data/95969446e/339db1600a2c4791a74f49ae58010580 [2023-11-24 23:19:29,693 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:19:29,694 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:19:29,700 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:19:29,700 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:19:29,705 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:19:29,706 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:19:29" (1/1) ... [2023-11-24 23:19:29,707 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1c5f3b64 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:19:29, skipping insertion in model container [2023-11-24 23:19:29,708 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:19:29" (1/1) ... [2023-11-24 23:19:29,748 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:19:29,917 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_6d4b5157-ff74-4981-b52a-e64d7db09440/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-13.i[916,929] [2023-11-24 23:19:29,986 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:19:29,998 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 23:19:30,012 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_6d4b5157-ff74-4981-b52a-e64d7db09440/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-13.i[916,929] [2023-11-24 23:19:30,056 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:19:30,079 INFO L206 MainTranslator]: Completed translation [2023-11-24 23:19:30,080 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:19:30 WrapperNode [2023-11-24 23:19:30,080 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:19:30,081 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 23:19:30,081 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 23:19:30,082 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 23:19:30,089 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:19:30" (1/1) ... [2023-11-24 23:19:30,105 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:19:30" (1/1) ... [2023-11-24 23:19:30,153 INFO L138 Inliner]: procedures = 29, calls = 142, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 421 [2023-11-24 23:19:30,154 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 23:19:30,155 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 23:19:30,155 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 23:19:30,155 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 23:19:30,167 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:19:30" (1/1) ... [2023-11-24 23:19:30,173 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:19:30" (1/1) ... [2023-11-24 23:19:30,181 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:19:30" (1/1) ... [2023-11-24 23:19:30,181 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:19:30" (1/1) ... [2023-11-24 23:19:30,203 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:19:30" (1/1) ... [2023-11-24 23:19:30,208 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:19:30" (1/1) ... [2023-11-24 23:19:30,212 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:19:30" (1/1) ... [2023-11-24 23:19:30,215 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:19:30" (1/1) ... [2023-11-24 23:19:30,221 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 23:19:30,222 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 23:19:30,223 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 23:19:30,223 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 23:19:30,224 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:19:30" (1/1) ... [2023-11-24 23:19:30,232 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-24 23:19:30,261 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d4b5157-ff74-4981-b52a-e64d7db09440/bin/utaipan-verify-SwPr7d2a91/z3 [2023-11-24 23:19:30,275 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d4b5157-ff74-4981-b52a-e64d7db09440/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-24 23:19:30,296 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d4b5157-ff74-4981-b52a-e64d7db09440/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-24 23:19:30,327 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 23:19:30,327 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-24 23:19:30,328 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2023-11-24 23:19:30,328 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2023-11-24 23:19:30,330 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-24 23:19:30,331 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2023-11-24 23:19:30,331 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-24 23:19:30,331 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-24 23:19:30,331 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 23:19:30,332 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 23:19:30,332 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 23:19:30,516 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 23:19:30,518 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 23:19:31,177 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 23:19:31,806 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 23:19:31,807 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-24 23:19:31,808 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:19:31 BoogieIcfgContainer [2023-11-24 23:19:31,808 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 23:19:31,811 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-24 23:19:31,811 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-24 23:19:31,814 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-24 23:19:31,815 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 11:19:29" (1/3) ... [2023-11-24 23:19:31,815 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@779598f7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 11:19:31, skipping insertion in model container [2023-11-24 23:19:31,816 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:19:30" (2/3) ... [2023-11-24 23:19:31,816 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@779598f7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 11:19:31, skipping insertion in model container [2023-11-24 23:19:31,816 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:19:31" (3/3) ... [2023-11-24 23:19:31,817 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-s_file-13.i [2023-11-24 23:19:31,838 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-24 23:19:31,838 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-24 23:19:31,888 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-24 23:19:31,895 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;@39e619aa, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-24 23:19:31,895 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-24 23:19:31,900 INFO L276 IsEmpty]: Start isEmpty. Operand has 39 states, 21 states have (on average 1.1428571428571428) internal successors, (24), 22 states have internal predecessors, (24), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2023-11-24 23:19:31,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-11-24 23:19:31,910 INFO L187 NwaCegarLoop]: Found error trace [2023-11-24 23:19:31,911 INFO L195 NwaCegarLoop]: trace histogram [15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-24 23:19:31,911 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-24 23:19:31,917 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:19:31,917 INFO L85 PathProgramCache]: Analyzing trace with hash -2142521955, now seen corresponding path program 1 times [2023-11-24 23:19:31,927 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-24 23:19:31,928 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [138285421] [2023-11-24 23:19:31,928 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:19:31,928 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:19:32,161 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-24 23:19:32,162 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [658750354] [2023-11-24 23:19:32,162 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:19:32,162 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-24 23:19:32,163 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d4b5157-ff74-4981-b52a-e64d7db09440/bin/utaipan-verify-SwPr7d2a91/z3 [2023-11-24 23:19:32,166 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d4b5157-ff74-4981-b52a-e64d7db09440/bin/utaipan-verify-SwPr7d2a91/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-24 23:19:32,210 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d4b5157-ff74-4981-b52a-e64d7db09440/bin/utaipan-verify-SwPr7d2a91/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-24 23:19:33,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:19:33,148 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 23:19:34,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:19:34,145 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-11-24 23:19:34,148 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-24 23:19:34,149 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-24 23:19:34,175 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d4b5157-ff74-4981-b52a-e64d7db09440/bin/utaipan-verify-SwPr7d2a91/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-24 23:19:34,370 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d4b5157-ff74-4981-b52a-e64d7db09440/bin/utaipan-verify-SwPr7d2a91/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-11-24 23:19:34,375 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-24 23:19:34,379 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-24 23:19:34,424 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem37 could not be translated [2023-11-24 23:19:34,427 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem37 could not be translated [2023-11-24 23:19:34,427 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem38 could not be translated [2023-11-24 23:19:34,427 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem38 could not be translated [2023-11-24 23:19:34,428 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem40 could not be translated [2023-11-24 23:19:34,428 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem40 could not be translated [2023-11-24 23:19:34,428 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem41 could not be translated [2023-11-24 23:19:34,428 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem41 could not be translated [2023-11-24 23:19:34,429 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem42 could not be translated [2023-11-24 23:19:34,429 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem42 could not be translated [2023-11-24 23:19:34,429 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem44 could not be translated [2023-11-24 23:19:34,430 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem44 could not be translated [2023-11-24 23:19:34,430 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem45 could not be translated [2023-11-24 23:19:34,431 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem45 could not be translated [2023-11-24 23:19:34,431 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem47 could not be translated [2023-11-24 23:19:34,431 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem47 could not be translated [2023-11-24 23:19:34,432 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem48 could not be translated [2023-11-24 23:19:34,432 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem48 could not be translated [2023-11-24 23:19:34,432 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem50 could not be translated [2023-11-24 23:19:34,433 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem50 could not be translated [2023-11-24 23:19:34,433 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem51 could not be translated [2023-11-24 23:19:34,433 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem51 could not be translated [2023-11-24 23:19:34,434 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short58 could not be translated [2023-11-24 23:19:34,434 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem57 could not be translated [2023-11-24 23:19:34,434 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short59 could not be translated [2023-11-24 23:19:34,434 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem54 could not be translated [2023-11-24 23:19:34,434 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short55 could not be translated [2023-11-24 23:19:34,435 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem56 could not be translated [2023-11-24 23:19:34,435 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem53 could not be translated [2023-11-24 23:19:34,435 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short58 could not be translated [2023-11-24 23:19:34,435 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem53 could not be translated [2023-11-24 23:19:34,436 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem56 could not be translated [2023-11-24 23:19:34,436 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short59 could not be translated [2023-11-24 23:19:34,436 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem54 could not be translated [2023-11-24 23:19:34,436 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem57 could not be translated [2023-11-24 23:19:34,436 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short55 could not be translated [2023-11-24 23:19:34,437 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short67 could not be translated [2023-11-24 23:19:34,437 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short66 could not be translated [2023-11-24 23:19:34,437 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short63 could not be translated [2023-11-24 23:19:34,437 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem61 could not be translated [2023-11-24 23:19:34,438 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem65 could not be translated [2023-11-24 23:19:34,438 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem64 could not be translated [2023-11-24 23:19:34,438 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem62 could not be translated [2023-11-24 23:19:34,438 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem65 could not be translated [2023-11-24 23:19:34,439 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem62 could not be translated [2023-11-24 23:19:34,439 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short66 could not be translated [2023-11-24 23:19:34,439 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short67 could not be translated [2023-11-24 23:19:34,439 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short63 could not be translated [2023-11-24 23:19:34,439 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem61 could not be translated [2023-11-24 23:19:34,439 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem64 could not be translated [2023-11-24 23:19:34,440 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem69 could not be translated [2023-11-24 23:19:34,440 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem72 could not be translated [2023-11-24 23:19:34,440 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short75 could not be translated [2023-11-24 23:19:34,440 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem70 could not be translated [2023-11-24 23:19:34,441 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short74 could not be translated [2023-11-24 23:19:34,441 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem73 could not be translated [2023-11-24 23:19:34,441 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short71 could not be translated [2023-11-24 23:19:34,441 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem70 could not be translated [2023-11-24 23:19:34,441 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short71 could not be translated [2023-11-24 23:19:34,442 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem69 could not be translated [2023-11-24 23:19:34,442 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem72 could not be translated [2023-11-24 23:19:34,442 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short74 could not be translated [2023-11-24 23:19:34,442 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short75 could not be translated [2023-11-24 23:19:34,442 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem73 could not be translated [2023-11-24 23:19:34,443 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem80 could not be translated [2023-11-24 23:19:34,443 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short83 could not be translated [2023-11-24 23:19:34,443 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem77 could not be translated [2023-11-24 23:19:34,443 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short79 could not be translated [2023-11-24 23:19:34,443 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem78 could not be translated [2023-11-24 23:19:34,444 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short82 could not be translated [2023-11-24 23:19:34,444 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem81 could not be translated [2023-11-24 23:19:34,444 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem80 could not be translated [2023-11-24 23:19:34,444 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short82 could not be translated [2023-11-24 23:19:34,445 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem77 could not be translated [2023-11-24 23:19:34,445 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem81 could not be translated [2023-11-24 23:19:34,445 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem78 could not be translated [2023-11-24 23:19:34,445 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short83 could not be translated [2023-11-24 23:19:34,445 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short79 could not be translated [2023-11-24 23:19:34,464 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.11 11:19:34 BoogieIcfgContainer [2023-11-24 23:19:34,465 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-24 23:19:34,465 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-24 23:19:34,465 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-24 23:19:34,466 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-24 23:19:34,466 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:19:31" (3/4) ... [2023-11-24 23:19:34,469 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-24 23:19:34,471 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-24 23:19:34,473 INFO L158 Benchmark]: Toolchain (without parser) took 4778.06ms. Allocated memory is still 159.4MB. Free memory was 119.2MB in the beginning and 104.1MB in the end (delta: 15.1MB). Peak memory consumption was 17.5MB. Max. memory is 16.1GB. [2023-11-24 23:19:34,473 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 111.1MB. Free memory is still 58.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:19:34,474 INFO L158 Benchmark]: CACSL2BoogieTranslator took 380.85ms. Allocated memory is still 159.4MB. Free memory was 118.7MB in the beginning and 103.3MB in the end (delta: 15.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-24 23:19:34,474 INFO L158 Benchmark]: Boogie Procedure Inliner took 72.93ms. Allocated memory is still 159.4MB. Free memory was 103.3MB in the beginning and 99.6MB in the end (delta: 3.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 23:19:34,476 INFO L158 Benchmark]: Boogie Preprocessor took 66.74ms. Allocated memory is still 159.4MB. Free memory was 99.6MB in the beginning and 96.6MB in the end (delta: 3.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-24 23:19:34,477 INFO L158 Benchmark]: RCFGBuilder took 1586.25ms. Allocated memory is still 159.4MB. Free memory was 96.1MB in the beginning and 106.2MB in the end (delta: -10.0MB). Peak memory consumption was 46.9MB. Max. memory is 16.1GB. [2023-11-24 23:19:34,479 INFO L158 Benchmark]: TraceAbstraction took 2654.07ms. Allocated memory is still 159.4MB. Free memory was 105.1MB in the beginning and 104.1MB in the end (delta: 1.0MB). Peak memory consumption was 62.9MB. Max. memory is 16.1GB. [2023-11-24 23:19:34,480 INFO L158 Benchmark]: Witness Printer took 6.26ms. Allocated memory is still 159.4MB. Free memory is still 104.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:19:34,483 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 111.1MB. Free memory is still 58.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 380.85ms. Allocated memory is still 159.4MB. Free memory was 118.7MB in the beginning and 103.3MB in the end (delta: 15.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 72.93ms. Allocated memory is still 159.4MB. Free memory was 103.3MB in the beginning and 99.6MB in the end (delta: 3.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 66.74ms. Allocated memory is still 159.4MB. Free memory was 99.6MB in the beginning and 96.6MB in the end (delta: 3.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1586.25ms. Allocated memory is still 159.4MB. Free memory was 96.1MB in the beginning and 106.2MB in the end (delta: -10.0MB). Peak memory consumption was 46.9MB. Max. memory is 16.1GB. * TraceAbstraction took 2654.07ms. Allocated memory is still 159.4MB. Free memory was 105.1MB in the beginning and 104.1MB in the end (delta: 1.0MB). Peak memory consumption was 62.9MB. Max. memory is 16.1GB. * Witness Printer took 6.26ms. Allocated memory is still 159.4MB. Free memory is still 104.1MB. 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~mem40 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~mem41 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem42 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem42 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem44 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem44 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem45 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem45 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem47 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem47 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem48 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem48 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem50 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem50 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem51 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem51 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short58 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem57 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short59 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem54 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short55 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem56 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem53 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short58 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem53 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem56 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short59 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem54 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem57 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short55 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short67 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short66 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short63 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem61 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem65 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem64 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem62 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem65 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem62 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short66 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short67 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short63 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem61 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem64 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem69 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem72 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short75 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem70 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~short71 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem70 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short71 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem69 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem72 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short74 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short75 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem73 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem80 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short83 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem77 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short79 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem78 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short82 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem81 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem80 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short82 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem77 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem81 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem78 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short83 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short79 could not be translated - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 56. Possible FailurePath: [L37] unsigned char isInitial = 0; [L38-L52] struct WrapperStruct00 WrapperStruct00 = { 25, 1, 16, 16, 4, 2, 64, 0, 16, 128.4, 50.2, 3.8, 25.1 }; [L110] isInitial = 1 [L111] FCALL initially() [L112] COND TRUE 1 [L113] FCALL updateLastVariables() [L114] CALL updateVariables() [L78] WrapperStruct00.var_1_2 = __VERIFIER_nondet_uchar() [L79] EXPR WrapperStruct00.var_1_2 VAL [WrapperStruct00={4:0}, isInitial=1] [L79] CALL assume_abort_if_not(WrapperStruct00.var_1_2 >= 0) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) [L79] RET assume_abort_if_not(WrapperStruct00.var_1_2 >= 0) VAL [WrapperStruct00={4:0}, isInitial=1] [L80] EXPR WrapperStruct00.var_1_2 VAL [WrapperStruct00={4:0}, isInitial=1] [L80] CALL assume_abort_if_not(WrapperStruct00.var_1_2 <= 1) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) [L80] RET assume_abort_if_not(WrapperStruct00.var_1_2 <= 1) VAL [WrapperStruct00={4:0}, isInitial=1] [L81] WrapperStruct00.var_1_6 = __VERIFIER_nondet_ushort() [L82] EXPR WrapperStruct00.var_1_6 VAL [WrapperStruct00={4:0}, isInitial=1] [L82] CALL assume_abort_if_not(WrapperStruct00.var_1_6 >= 0) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) [L82] RET assume_abort_if_not(WrapperStruct00.var_1_6 >= 0) VAL [WrapperStruct00={4:0}, isInitial=1] [L83] EXPR WrapperStruct00.var_1_6 VAL [WrapperStruct00={4:0}, isInitial=1] [L83] CALL assume_abort_if_not(WrapperStruct00.var_1_6 <= 65535) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) [L83] RET assume_abort_if_not(WrapperStruct00.var_1_6 <= 65535) VAL [WrapperStruct00={4:0}, isInitial=1] [L84] EXPR WrapperStruct00.var_1_6 VAL [WrapperStruct00={4:0}, isInitial=1] [L84] CALL assume_abort_if_not(WrapperStruct00.var_1_6 != 0) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) [L84] RET assume_abort_if_not(WrapperStruct00.var_1_6 != 0) VAL [WrapperStruct00={4:0}, isInitial=1] [L85] WrapperStruct00.var_1_7 = __VERIFIER_nondet_char() [L86] EXPR WrapperStruct00.var_1_7 VAL [WrapperStruct00={4:0}, isInitial=1] [L86] CALL assume_abort_if_not(WrapperStruct00.var_1_7 >= -127) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) [L86] RET assume_abort_if_not(WrapperStruct00.var_1_7 >= -127) VAL [WrapperStruct00={4:0}, isInitial=1] [L87] EXPR WrapperStruct00.var_1_7 VAL [WrapperStruct00={4:0}, isInitial=1] [L87] CALL assume_abort_if_not(WrapperStruct00.var_1_7 <= 126) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) [L87] RET assume_abort_if_not(WrapperStruct00.var_1_7 <= 126) VAL [WrapperStruct00={4:0}, isInitial=1] [L88] WrapperStruct00.var_1_9 = __VERIFIER_nondet_char() [L89] EXPR WrapperStruct00.var_1_9 VAL [WrapperStruct00={4:0}, isInitial=1] [L89] CALL assume_abort_if_not(WrapperStruct00.var_1_9 >= 63) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) [L89] RET assume_abort_if_not(WrapperStruct00.var_1_9 >= 63) VAL [WrapperStruct00={4:0}, isInitial=1] [L90] EXPR WrapperStruct00.var_1_9 VAL [WrapperStruct00={4:0}, isInitial=1] [L90] CALL assume_abort_if_not(WrapperStruct00.var_1_9 <= 127) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) [L90] RET assume_abort_if_not(WrapperStruct00.var_1_9 <= 127) VAL [WrapperStruct00={4:0}, isInitial=1] [L91] WrapperStruct00.var_1_10 = __VERIFIER_nondet_char() [L92] EXPR WrapperStruct00.var_1_10 VAL [WrapperStruct00={4:0}, isInitial=1] [L92] CALL assume_abort_if_not(WrapperStruct00.var_1_10 >= 0) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) [L92] RET assume_abort_if_not(WrapperStruct00.var_1_10 >= 0) VAL [WrapperStruct00={4:0}, isInitial=1] [L93] EXPR WrapperStruct00.var_1_10 VAL [WrapperStruct00={4:0}, isInitial=1] [L93] CALL assume_abort_if_not(WrapperStruct00.var_1_10 <= 64) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) [L93] RET assume_abort_if_not(WrapperStruct00.var_1_10 <= 64) VAL [WrapperStruct00={4:0}, isInitial=1] [L94] WrapperStruct00.var_1_12 = __VERIFIER_nondet_double() [L95] EXPR WrapperStruct00.var_1_12 [L95] EXPR WrapperStruct00.var_1_12 >= 0.0F && WrapperStruct00.var_1_12 <= -1.0e-20F [L95] EXPR WrapperStruct00.var_1_12 [L95] EXPR WrapperStruct00.var_1_12 >= 0.0F && WrapperStruct00.var_1_12 <= -1.0e-20F [L95] EXPR (WrapperStruct00.var_1_12 >= 0.0F && WrapperStruct00.var_1_12 <= -1.0e-20F) || (WrapperStruct00.var_1_12 <= 9223372.036854776000e+12F && WrapperStruct00.var_1_12 >= 1.0e-20F ) VAL [WrapperStruct00={4:0}, isInitial=1] [L95] CALL assume_abort_if_not((WrapperStruct00.var_1_12 >= 0.0F && WrapperStruct00.var_1_12 <= -1.0e-20F) || (WrapperStruct00.var_1_12 <= 9223372.036854776000e+12F && WrapperStruct00.var_1_12 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) [L95] RET assume_abort_if_not((WrapperStruct00.var_1_12 >= 0.0F && WrapperStruct00.var_1_12 <= -1.0e-20F) || (WrapperStruct00.var_1_12 <= 9223372.036854776000e+12F && WrapperStruct00.var_1_12 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, isInitial=1] [L96] WrapperStruct00.var_1_13 = __VERIFIER_nondet_double() [L97] EXPR WrapperStruct00.var_1_13 [L97] EXPR WrapperStruct00.var_1_13 >= 0.0F && WrapperStruct00.var_1_13 <= -1.0e-20F [L97] EXPR WrapperStruct00.var_1_13 [L97] EXPR WrapperStruct00.var_1_13 >= 0.0F && WrapperStruct00.var_1_13 <= -1.0e-20F [L97] EXPR (WrapperStruct00.var_1_13 >= 0.0F && WrapperStruct00.var_1_13 <= -1.0e-20F) || (WrapperStruct00.var_1_13 <= 9223372.036854776000e+12F && WrapperStruct00.var_1_13 >= 1.0e-20F ) VAL [WrapperStruct00={4:0}, isInitial=1] [L97] CALL assume_abort_if_not((WrapperStruct00.var_1_13 >= 0.0F && WrapperStruct00.var_1_13 <= -1.0e-20F) || (WrapperStruct00.var_1_13 <= 9223372.036854776000e+12F && WrapperStruct00.var_1_13 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) [L97] RET assume_abort_if_not((WrapperStruct00.var_1_13 >= 0.0F && WrapperStruct00.var_1_13 <= -1.0e-20F) || (WrapperStruct00.var_1_13 <= 9223372.036854776000e+12F && WrapperStruct00.var_1_13 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, isInitial=1] [L98] WrapperStruct00.var_1_14 = __VERIFIER_nondet_double() [L99] EXPR WrapperStruct00.var_1_14 [L99] EXPR WrapperStruct00.var_1_14 >= -922337.2036854776000e+13F && WrapperStruct00.var_1_14 <= -1.0e-20F [L99] EXPR WrapperStruct00.var_1_14 [L99] EXPR WrapperStruct00.var_1_14 >= -922337.2036854776000e+13F && WrapperStruct00.var_1_14 <= -1.0e-20F [L99] EXPR (WrapperStruct00.var_1_14 >= -922337.2036854776000e+13F && WrapperStruct00.var_1_14 <= -1.0e-20F) || (WrapperStruct00.var_1_14 <= 9223372.036854776000e+12F && WrapperStruct00.var_1_14 >= 1.0e-20F ) VAL [WrapperStruct00={4:0}, isInitial=1] [L99] CALL assume_abort_if_not((WrapperStruct00.var_1_14 >= -922337.2036854776000e+13F && WrapperStruct00.var_1_14 <= -1.0e-20F) || (WrapperStruct00.var_1_14 <= 9223372.036854776000e+12F && WrapperStruct00.var_1_14 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) [L99] RET assume_abort_if_not((WrapperStruct00.var_1_14 >= -922337.2036854776000e+13F && WrapperStruct00.var_1_14 <= -1.0e-20F) || (WrapperStruct00.var_1_14 <= 9223372.036854776000e+12F && WrapperStruct00.var_1_14 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, isInitial=1] [L100] WrapperStruct00.var_1_15 = __VERIFIER_nondet_double() [L101] EXPR WrapperStruct00.var_1_15 [L101] EXPR WrapperStruct00.var_1_15 >= -922337.2036854776000e+13F && WrapperStruct00.var_1_15 <= -1.0e-20F [L101] EXPR WrapperStruct00.var_1_15 [L101] EXPR WrapperStruct00.var_1_15 >= -922337.2036854776000e+13F && WrapperStruct00.var_1_15 <= -1.0e-20F [L101] EXPR (WrapperStruct00.var_1_15 >= -922337.2036854776000e+13F && WrapperStruct00.var_1_15 <= -1.0e-20F) || (WrapperStruct00.var_1_15 <= 9223372.036854776000e+12F && WrapperStruct00.var_1_15 >= 1.0e-20F ) VAL [WrapperStruct00={4:0}, isInitial=1] [L101] CALL assume_abort_if_not((WrapperStruct00.var_1_15 >= -922337.2036854776000e+13F && WrapperStruct00.var_1_15 <= -1.0e-20F) || (WrapperStruct00.var_1_15 <= 9223372.036854776000e+12F && WrapperStruct00.var_1_15 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) [L101] RET assume_abort_if_not((WrapperStruct00.var_1_15 >= -922337.2036854776000e+13F && WrapperStruct00.var_1_15 <= -1.0e-20F) || (WrapperStruct00.var_1_15 <= 9223372.036854776000e+12F && WrapperStruct00.var_1_15 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, isInitial=1] [L114] RET updateVariables() [L115] CALL step() [L56] EXPR WrapperStruct00.var_1_12 [L56] EXPR WrapperStruct00.var_1_13 [L56] EXPR WrapperStruct00.var_1_14 [L56] EXPR WrapperStruct00.var_1_15 [L56] EXPR ((1.875) > (WrapperStruct00.var_1_15)) ? (1.875) : (WrapperStruct00.var_1_15) [L56] COND FALSE !(((WrapperStruct00.var_1_12 - WrapperStruct00.var_1_13) + WrapperStruct00.var_1_14) <= (256.625 * ((((1.875) > (WrapperStruct00.var_1_15)) ? (1.875) : (WrapperStruct00.var_1_15))))) [L59] WrapperStruct00.var_1_2 [L59] COND FALSE !(WrapperStruct00.var_1_2) [L62] EXPR WrapperStruct00.var_1_1 [L62] (WrapperStruct00.var_1_1 == 16) || (WrapperStruct00.var_1_11 < (10 / WrapperStruct00.var_1_6)) [L62] EXPR WrapperStruct00.var_1_11 [L62] EXPR WrapperStruct00.var_1_6 [L62] (WrapperStruct00.var_1_1 == 16) || (WrapperStruct00.var_1_11 < (10 / WrapperStruct00.var_1_6)) [L62] COND FALSE !((WrapperStruct00.var_1_1 == 16) || (WrapperStruct00.var_1_11 < (10 / WrapperStruct00.var_1_6))) [L65] WrapperStruct00.var_1_5 = 5 [L67] EXPR WrapperStruct00.var_1_11 [L67] unsigned char stepLocal_1 = WrapperStruct00.var_1_11; [L68] EXPR WrapperStruct00.var_1_2 [L68] unsigned char stepLocal_0 = WrapperStruct00.var_1_2; [L69] stepLocal_0 || (WrapperStruct00.var_1_11 >= WrapperStruct00.var_1_11) [L69] EXPR WrapperStruct00.var_1_11 [L69] EXPR WrapperStruct00.var_1_11 [L69] stepLocal_0 || (WrapperStruct00.var_1_11 >= WrapperStruct00.var_1_11) [L69] COND TRUE stepLocal_0 || (WrapperStruct00.var_1_11 >= WrapperStruct00.var_1_11) [L70] EXPR WrapperStruct00.var_1_9 [L70] EXPR WrapperStruct00.var_1_10 [L70] COND TRUE stepLocal_1 < ((WrapperStruct00.var_1_9 - WrapperStruct00.var_1_10) - 16) [L71] EXPR WrapperStruct00.var_1_10 [L71] EXPR ((WrapperStruct00.var_1_10) > (32)) ? (WrapperStruct00.var_1_10) : (32) [L71] EXPR WrapperStruct00.var_1_10 [L71] EXPR ((WrapperStruct00.var_1_10) > (32)) ? (WrapperStruct00.var_1_10) : (32) [L71] WrapperStruct00.var_1_8 = ((((WrapperStruct00.var_1_10) > (32)) ? (WrapperStruct00.var_1_10) : (32))) [L115] RET step() [L116] CALL, EXPR property() [L106] EXPR WrapperStruct00.var_1_2 [L106] EXPR WrapperStruct00.var_1_2 ? (WrapperStruct00.var_1_1 == ((unsigned short int) ((((WrapperStruct00.var_1_11) > (WrapperStruct00.var_1_11)) ? (WrapperStruct00.var_1_11) : (WrapperStruct00.var_1_11))))) : 1 [L106] EXPR (WrapperStruct00.var_1_2 ? (WrapperStruct00.var_1_1 == ((unsigned short int) ((((WrapperStruct00.var_1_11) > (WrapperStruct00.var_1_11)) ? (WrapperStruct00.var_1_11) : (WrapperStruct00.var_1_11))))) : 1) && (((WrapperStruct00.var_1_1 == 16) || (WrapperStruct00.var_1_11 < (10 / WrapperStruct00.var_1_6))) ? (WrapperStruct00.var_1_5 == ((signed char) WrapperStruct00.var_1_7)) : (WrapperStruct00.var_1_5 == ((signed char) 5))) [L106] EXPR WrapperStruct00.var_1_1 [L106] EXPR (WrapperStruct00.var_1_1 == 16) || (WrapperStruct00.var_1_11 < (10 / WrapperStruct00.var_1_6)) [L106] EXPR WrapperStruct00.var_1_11 [L106] EXPR WrapperStruct00.var_1_6 [L106] EXPR (WrapperStruct00.var_1_1 == 16) || (WrapperStruct00.var_1_11 < (10 / WrapperStruct00.var_1_6)) [L106] EXPR ((WrapperStruct00.var_1_1 == 16) || (WrapperStruct00.var_1_11 < (10 / WrapperStruct00.var_1_6))) ? (WrapperStruct00.var_1_5 == ((signed char) WrapperStruct00.var_1_7)) : (WrapperStruct00.var_1_5 == ((signed char) 5)) [L106] EXPR WrapperStruct00.var_1_5 [L106] EXPR ((WrapperStruct00.var_1_1 == 16) || (WrapperStruct00.var_1_11 < (10 / WrapperStruct00.var_1_6))) ? (WrapperStruct00.var_1_5 == ((signed char) WrapperStruct00.var_1_7)) : (WrapperStruct00.var_1_5 == ((signed char) 5)) [L106] EXPR (WrapperStruct00.var_1_2 ? (WrapperStruct00.var_1_1 == ((unsigned short int) ((((WrapperStruct00.var_1_11) > (WrapperStruct00.var_1_11)) ? (WrapperStruct00.var_1_11) : (WrapperStruct00.var_1_11))))) : 1) && (((WrapperStruct00.var_1_1 == 16) || (WrapperStruct00.var_1_11 < (10 / WrapperStruct00.var_1_6))) ? (WrapperStruct00.var_1_5 == ((signed char) WrapperStruct00.var_1_7)) : (WrapperStruct00.var_1_5 == ((signed char) 5))) [L106] EXPR ((WrapperStruct00.var_1_2 ? (WrapperStruct00.var_1_1 == ((unsigned short int) ((((WrapperStruct00.var_1_11) > (WrapperStruct00.var_1_11)) ? (WrapperStruct00.var_1_11) : (WrapperStruct00.var_1_11))))) : 1) && (((WrapperStruct00.var_1_1 == 16) || (WrapperStruct00.var_1_11 < (10 / WrapperStruct00.var_1_6))) ? (WrapperStruct00.var_1_5 == ((signed char) WrapperStruct00.var_1_7)) : (WrapperStruct00.var_1_5 == ((signed char) 5)))) && ((WrapperStruct00.var_1_2 || (WrapperStruct00.var_1_11 >= WrapperStruct00.var_1_11)) ? ((WrapperStruct00.var_1_11 < ((WrapperStruct00.var_1_9 - WrapperStruct00.var_1_10) - 16)) ? (WrapperStruct00.var_1_8 == ((unsigned short int) ((((WrapperStruct00.var_1_10) > (32)) ? (WrapperStruct00.var_1_10) : (32))))) : 1) : (WrapperStruct00.var_1_8 == ((unsigned short int) ((((WrapperStruct00.var_1_9) < (WrapperStruct00.var_1_11)) ? (WrapperStruct00.var_1_9) : (WrapperStruct00.var_1_11)))))) [L106] EXPR WrapperStruct00.var_1_2 [L106] EXPR WrapperStruct00.var_1_2 || (WrapperStruct00.var_1_11 >= WrapperStruct00.var_1_11) [L106] EXPR WrapperStruct00.var_1_11 [L106] EXPR WrapperStruct00.var_1_11 [L106] EXPR WrapperStruct00.var_1_2 || (WrapperStruct00.var_1_11 >= WrapperStruct00.var_1_11) [L106] EXPR (WrapperStruct00.var_1_2 || (WrapperStruct00.var_1_11 >= WrapperStruct00.var_1_11)) ? ((WrapperStruct00.var_1_11 < ((WrapperStruct00.var_1_9 - WrapperStruct00.var_1_10) - 16)) ? (WrapperStruct00.var_1_8 == ((unsigned short int) ((((WrapperStruct00.var_1_10) > (32)) ? (WrapperStruct00.var_1_10) : (32))))) : 1) : (WrapperStruct00.var_1_8 == ((unsigned short int) ((((WrapperStruct00.var_1_9) < (WrapperStruct00.var_1_11)) ? (WrapperStruct00.var_1_9) : (WrapperStruct00.var_1_11))))) [L106] EXPR WrapperStruct00.var_1_11 [L106] EXPR WrapperStruct00.var_1_9 [L106] EXPR WrapperStruct00.var_1_10 [L106] EXPR (WrapperStruct00.var_1_11 < ((WrapperStruct00.var_1_9 - WrapperStruct00.var_1_10) - 16)) ? (WrapperStruct00.var_1_8 == ((unsigned short int) ((((WrapperStruct00.var_1_10) > (32)) ? (WrapperStruct00.var_1_10) : (32))))) : 1 [L106] EXPR WrapperStruct00.var_1_8 [L106] EXPR WrapperStruct00.var_1_10 [L106] EXPR ((WrapperStruct00.var_1_10) > (32)) ? (WrapperStruct00.var_1_10) : (32) [L106] EXPR WrapperStruct00.var_1_10 [L106] EXPR ((WrapperStruct00.var_1_10) > (32)) ? (WrapperStruct00.var_1_10) : (32) [L106] EXPR (WrapperStruct00.var_1_11 < ((WrapperStruct00.var_1_9 - WrapperStruct00.var_1_10) - 16)) ? (WrapperStruct00.var_1_8 == ((unsigned short int) ((((WrapperStruct00.var_1_10) > (32)) ? (WrapperStruct00.var_1_10) : (32))))) : 1 [L106] EXPR (WrapperStruct00.var_1_2 || (WrapperStruct00.var_1_11 >= WrapperStruct00.var_1_11)) ? ((WrapperStruct00.var_1_11 < ((WrapperStruct00.var_1_9 - WrapperStruct00.var_1_10) - 16)) ? (WrapperStruct00.var_1_8 == ((unsigned short int) ((((WrapperStruct00.var_1_10) > (32)) ? (WrapperStruct00.var_1_10) : (32))))) : 1) : (WrapperStruct00.var_1_8 == ((unsigned short int) ((((WrapperStruct00.var_1_9) < (WrapperStruct00.var_1_11)) ? (WrapperStruct00.var_1_9) : (WrapperStruct00.var_1_11))))) [L106] EXPR ((WrapperStruct00.var_1_2 ? (WrapperStruct00.var_1_1 == ((unsigned short int) ((((WrapperStruct00.var_1_11) > (WrapperStruct00.var_1_11)) ? (WrapperStruct00.var_1_11) : (WrapperStruct00.var_1_11))))) : 1) && (((WrapperStruct00.var_1_1 == 16) || (WrapperStruct00.var_1_11 < (10 / WrapperStruct00.var_1_6))) ? (WrapperStruct00.var_1_5 == ((signed char) WrapperStruct00.var_1_7)) : (WrapperStruct00.var_1_5 == ((signed char) 5)))) && ((WrapperStruct00.var_1_2 || (WrapperStruct00.var_1_11 >= WrapperStruct00.var_1_11)) ? ((WrapperStruct00.var_1_11 < ((WrapperStruct00.var_1_9 - WrapperStruct00.var_1_10) - 16)) ? (WrapperStruct00.var_1_8 == ((unsigned short int) ((((WrapperStruct00.var_1_10) > (32)) ? (WrapperStruct00.var_1_10) : (32))))) : 1) : (WrapperStruct00.var_1_8 == ((unsigned short int) ((((WrapperStruct00.var_1_9) < (WrapperStruct00.var_1_11)) ? (WrapperStruct00.var_1_9) : (WrapperStruct00.var_1_11)))))) [L106] EXPR (((WrapperStruct00.var_1_2 ? (WrapperStruct00.var_1_1 == ((unsigned short int) ((((WrapperStruct00.var_1_11) > (WrapperStruct00.var_1_11)) ? (WrapperStruct00.var_1_11) : (WrapperStruct00.var_1_11))))) : 1) && (((WrapperStruct00.var_1_1 == 16) || (WrapperStruct00.var_1_11 < (10 / WrapperStruct00.var_1_6))) ? (WrapperStruct00.var_1_5 == ((signed char) WrapperStruct00.var_1_7)) : (WrapperStruct00.var_1_5 == ((signed char) 5)))) && ((WrapperStruct00.var_1_2 || (WrapperStruct00.var_1_11 >= WrapperStruct00.var_1_11)) ? ((WrapperStruct00.var_1_11 < ((WrapperStruct00.var_1_9 - WrapperStruct00.var_1_10) - 16)) ? (WrapperStruct00.var_1_8 == ((unsigned short int) ((((WrapperStruct00.var_1_10) > (32)) ? (WrapperStruct00.var_1_10) : (32))))) : 1) : (WrapperStruct00.var_1_8 == ((unsigned short int) ((((WrapperStruct00.var_1_9) < (WrapperStruct00.var_1_11)) ? (WrapperStruct00.var_1_9) : (WrapperStruct00.var_1_11))))))) && ((((WrapperStruct00.var_1_12 - WrapperStruct00.var_1_13) + WrapperStruct00.var_1_14) <= (256.625 * ((((1.875) > (WrapperStruct00.var_1_15)) ? (1.875) : (WrapperStruct00.var_1_15))))) ? (WrapperStruct00.var_1_11 == ((unsigned char) (((((5) < 0 ) ? -(5) : (5))) + 5))) : 1) [L106] EXPR WrapperStruct00.var_1_12 [L106] EXPR WrapperStruct00.var_1_13 [L106] EXPR WrapperStruct00.var_1_14 [L106] EXPR WrapperStruct00.var_1_15 [L106] EXPR ((1.875) > (WrapperStruct00.var_1_15)) ? (1.875) : (WrapperStruct00.var_1_15) [L106] EXPR (((WrapperStruct00.var_1_12 - WrapperStruct00.var_1_13) + WrapperStruct00.var_1_14) <= (256.625 * ((((1.875) > (WrapperStruct00.var_1_15)) ? (1.875) : (WrapperStruct00.var_1_15))))) ? (WrapperStruct00.var_1_11 == ((unsigned char) (((((5) < 0 ) ? -(5) : (5))) + 5))) : 1 [L106] EXPR WrapperStruct00.var_1_11 [L106] EXPR (((WrapperStruct00.var_1_12 - WrapperStruct00.var_1_13) + WrapperStruct00.var_1_14) <= (256.625 * ((((1.875) > (WrapperStruct00.var_1_15)) ? (1.875) : (WrapperStruct00.var_1_15))))) ? (WrapperStruct00.var_1_11 == ((unsigned char) (((((5) < 0 ) ? -(5) : (5))) + 5))) : 1 [L106] EXPR (((WrapperStruct00.var_1_2 ? (WrapperStruct00.var_1_1 == ((unsigned short int) ((((WrapperStruct00.var_1_11) > (WrapperStruct00.var_1_11)) ? (WrapperStruct00.var_1_11) : (WrapperStruct00.var_1_11))))) : 1) && (((WrapperStruct00.var_1_1 == 16) || (WrapperStruct00.var_1_11 < (10 / WrapperStruct00.var_1_6))) ? (WrapperStruct00.var_1_5 == ((signed char) WrapperStruct00.var_1_7)) : (WrapperStruct00.var_1_5 == ((signed char) 5)))) && ((WrapperStruct00.var_1_2 || (WrapperStruct00.var_1_11 >= WrapperStruct00.var_1_11)) ? ((WrapperStruct00.var_1_11 < ((WrapperStruct00.var_1_9 - WrapperStruct00.var_1_10) - 16)) ? (WrapperStruct00.var_1_8 == ((unsigned short int) ((((WrapperStruct00.var_1_10) > (32)) ? (WrapperStruct00.var_1_10) : (32))))) : 1) : (WrapperStruct00.var_1_8 == ((unsigned short int) ((((WrapperStruct00.var_1_9) < (WrapperStruct00.var_1_11)) ? (WrapperStruct00.var_1_9) : (WrapperStruct00.var_1_11))))))) && ((((WrapperStruct00.var_1_12 - WrapperStruct00.var_1_13) + WrapperStruct00.var_1_14) <= (256.625 * ((((1.875) > (WrapperStruct00.var_1_15)) ? (1.875) : (WrapperStruct00.var_1_15))))) ? (WrapperStruct00.var_1_11 == ((unsigned char) (((((5) < 0 ) ? -(5) : (5))) + 5))) : 1) [L106-L107] return (((WrapperStruct00.var_1_2 ? (WrapperStruct00.var_1_1 == ((unsigned short int) ((((WrapperStruct00.var_1_11) > (WrapperStruct00.var_1_11)) ? (WrapperStruct00.var_1_11) : (WrapperStruct00.var_1_11))))) : 1) && (((WrapperStruct00.var_1_1 == 16) || (WrapperStruct00.var_1_11 < (10 / WrapperStruct00.var_1_6))) ? (WrapperStruct00.var_1_5 == ((signed char) WrapperStruct00.var_1_7)) : (WrapperStruct00.var_1_5 == ((signed char) 5)))) && ((WrapperStruct00.var_1_2 || (WrapperStruct00.var_1_11 >= WrapperStruct00.var_1_11)) ? ((WrapperStruct00.var_1_11 < ((WrapperStruct00.var_1_9 - WrapperStruct00.var_1_10) - 16)) ? (WrapperStruct00.var_1_8 == ((unsigned short int) ((((WrapperStruct00.var_1_10) > (32)) ? (WrapperStruct00.var_1_10) : (32))))) : 1) : (WrapperStruct00.var_1_8 == ((unsigned short int) ((((WrapperStruct00.var_1_9) < (WrapperStruct00.var_1_11)) ? (WrapperStruct00.var_1_9) : (WrapperStruct00.var_1_11))))))) && ((((WrapperStruct00.var_1_12 - WrapperStruct00.var_1_13) + WrapperStruct00.var_1_14) <= (256.625 * ((((1.875) > (WrapperStruct00.var_1_15)) ? (1.875) : (WrapperStruct00.var_1_15))))) ? (WrapperStruct00.var_1_11 == ((unsigned char) (((((5) < 0 ) ? -(5) : (5))) + 5))) : 1) ; [L116] RET, EXPR property() [L116] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [WrapperStruct00={4:0}, \old(cond)=0, cond=0, isInitial=1] [L19] reach_error() VAL [WrapperStruct00={4:0}, \old(cond)=0, cond=0, isInitial=1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 39 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 2.5s, OverallIterations: 1, TraceHistogramMax: 15, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=39occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 64 NumberOfCodeBlocks, 64 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-24 23:19:34,508 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d4b5157-ff74-4981-b52a-e64d7db09440/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-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d4b5157-ff74-4981-b52a-e64d7db09440/bin/utaipan-verify-SwPr7d2a91/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d4b5157-ff74-4981-b52a-e64d7db09440/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_6d4b5157-ff74-4981-b52a-e64d7db09440/bin/utaipan-verify-SwPr7d2a91/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d4b5157-ff74-4981-b52a-e64d7db09440/bin/utaipan-verify-SwPr7d2a91/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-13.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d4b5157-ff74-4981-b52a-e64d7db09440/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_6d4b5157-ff74-4981-b52a-e64d7db09440/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 89473bb9a9d665e14d1630d8bffc5e3f1f6a66f5c07cc27a72988faba87a0da5 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 23:19:37,309 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:19:37,436 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d4b5157-ff74-4981-b52a-e64d7db09440/bin/utaipan-verify-SwPr7d2a91/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2023-11-24 23:19:37,444 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 23:19:37,445 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-24 23:19:37,489 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:19:37,490 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-24 23:19:37,490 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-24 23:19:37,491 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 23:19:37,497 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-24 23:19:37,497 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-24 23:19:37,498 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-24 23:19:37,498 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-24 23:19:37,500 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-24 23:19:37,500 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-24 23:19:37,501 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-24 23:19:37,502 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:19:37,503 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 23:19:37,503 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 23:19:37,503 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 23:19:37,504 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:19:37,504 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 23:19:37,505 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:19:37,505 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 23:19:37,506 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-24 23:19:37,506 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-24 23:19:37,507 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-24 23:19:37,507 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 23:19:37,507 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 23:19:37,508 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:19:37,509 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:19:37,510 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-24 23:19:37,510 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-24 23:19:37,510 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-24 23:19:37,511 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-24 23:19:37,511 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:19:37,511 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:19:37,512 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 23:19:37,512 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-24 23:19:37,513 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-24 23:19:37,513 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-24 23:19:37,514 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 23:19:37,514 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-24 23:19:37,514 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-24 23:19:37,515 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_6d4b5157-ff74-4981-b52a-e64d7db09440/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d4b5157-ff74-4981-b52a-e64d7db09440/bin/utaipan-verify-SwPr7d2a91 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 89473bb9a9d665e14d1630d8bffc5e3f1f6a66f5c07cc27a72988faba87a0da5 [2023-11-24 23:19:37,921 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:19:37,943 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:19:37,946 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:19:37,948 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:19:37,948 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:19:37,950 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d4b5157-ff74-4981-b52a-e64d7db09440/bin/utaipan-verify-SwPr7d2a91/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-13.i [2023-11-24 23:19:41,098 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:19:41,404 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:19:41,404 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d4b5157-ff74-4981-b52a-e64d7db09440/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-13.i [2023-11-24 23:19:41,414 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d4b5157-ff74-4981-b52a-e64d7db09440/bin/utaipan-verify-SwPr7d2a91/data/e54f4470f/be8685b62cb3401cb10a787e29ecab91/FLAG7955c8457 [2023-11-24 23:19:41,431 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d4b5157-ff74-4981-b52a-e64d7db09440/bin/utaipan-verify-SwPr7d2a91/data/e54f4470f/be8685b62cb3401cb10a787e29ecab91 [2023-11-24 23:19:41,434 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:19:41,436 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:19:41,438 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:19:41,438 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:19:41,444 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:19:41,445 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:19:41" (1/1) ... [2023-11-24 23:19:41,446 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@82eb0ed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:19:41, skipping insertion in model container [2023-11-24 23:19:41,446 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:19:41" (1/1) ... [2023-11-24 23:19:41,476 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:19:41,663 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_6d4b5157-ff74-4981-b52a-e64d7db09440/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-13.i[916,929] [2023-11-24 23:19:41,765 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:19:41,793 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 23:19:41,811 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_6d4b5157-ff74-4981-b52a-e64d7db09440/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-13.i[916,929] [2023-11-24 23:19:41,900 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:19:41,926 INFO L206 MainTranslator]: Completed translation [2023-11-24 23:19:41,927 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:19:41 WrapperNode [2023-11-24 23:19:41,927 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:19:41,929 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 23:19:41,929 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 23:19:41,929 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 23:19:41,937 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:19:41" (1/1) ... [2023-11-24 23:19:42,017 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:19:41" (1/1) ... [2023-11-24 23:19:42,074 INFO L138 Inliner]: procedures = 33, calls = 142, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 418 [2023-11-24 23:19:42,074 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 23:19:42,075 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 23:19:42,075 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 23:19:42,075 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 23:19:42,093 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:19:41" (1/1) ... [2023-11-24 23:19:42,094 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:19:41" (1/1) ... [2023-11-24 23:19:42,106 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:19:41" (1/1) ... [2023-11-24 23:19:42,106 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:19:41" (1/1) ... [2023-11-24 23:19:42,164 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:19:41" (1/1) ... [2023-11-24 23:19:42,169 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:19:41" (1/1) ... [2023-11-24 23:19:42,173 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:19:41" (1/1) ... [2023-11-24 23:19:42,192 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:19:41" (1/1) ... [2023-11-24 23:19:42,198 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 23:19:42,199 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 23:19:42,200 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 23:19:42,200 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 23:19:42,201 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:19:41" (1/1) ... [2023-11-24 23:19:42,216 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-24 23:19:42,235 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d4b5157-ff74-4981-b52a-e64d7db09440/bin/utaipan-verify-SwPr7d2a91/z3 [2023-11-24 23:19:42,253 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d4b5157-ff74-4981-b52a-e64d7db09440/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-24 23:19:42,284 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d4b5157-ff74-4981-b52a-e64d7db09440/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-24 23:19:42,317 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 23:19:42,318 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2023-11-24 23:19:42,318 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2023-11-24 23:19:42,318 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2023-11-24 23:19:42,318 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2023-11-24 23:19:42,319 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-24 23:19:42,319 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8 [2023-11-24 23:19:42,321 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2023-11-24 23:19:42,321 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-24 23:19:42,322 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-24 23:19:42,322 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 23:19:42,322 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 23:19:42,322 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2023-11-24 23:19:42,322 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2023-11-24 23:19:42,489 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 23:19:42,492 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 23:19:51,574 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 23:19:51,622 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 23:19:51,622 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-24 23:19:51,623 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:19:51 BoogieIcfgContainer [2023-11-24 23:19:51,623 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 23:19:51,626 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-24 23:19:51,626 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-24 23:19:51,629 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-24 23:19:51,630 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 11:19:41" (1/3) ... [2023-11-24 23:19:51,631 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5dc3afa0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 11:19:51, skipping insertion in model container [2023-11-24 23:19:51,631 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:19:41" (2/3) ... [2023-11-24 23:19:51,632 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5dc3afa0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 11:19:51, skipping insertion in model container [2023-11-24 23:19:51,632 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:19:51" (3/3) ... [2023-11-24 23:19:51,633 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-s_file-13.i [2023-11-24 23:19:51,654 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-24 23:19:51,654 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-24 23:19:51,721 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-24 23:19:51,730 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;@2924964e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-24 23:19:51,731 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-24 23:19:51,736 INFO L276 IsEmpty]: Start isEmpty. Operand has 105 states, 87 states have (on average 1.4827586206896552) internal successors, (129), 88 states have internal predecessors, (129), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2023-11-24 23:19:51,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2023-11-24 23:19:51,775 INFO L187 NwaCegarLoop]: Found error trace [2023-11-24 23:19:51,776 INFO L195 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-24 23:19:51,776 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-24 23:19:51,781 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:19:51,782 INFO L85 PathProgramCache]: Analyzing trace with hash 1170555676, now seen corresponding path program 1 times [2023-11-24 23:19:51,799 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-24 23:19:51,800 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1868938895] [2023-11-24 23:19:51,800 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:19:51,801 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 23:19:51,801 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d4b5157-ff74-4981-b52a-e64d7db09440/bin/utaipan-verify-SwPr7d2a91/mathsat [2023-11-24 23:19:51,805 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d4b5157-ff74-4981-b52a-e64d7db09440/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 23:19:51,839 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d4b5157-ff74-4981-b52a-e64d7db09440/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 23:19:52,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:19:52,602 INFO L262 TraceCheckSpWp]: Trace formula consists of 258 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-24 23:19:52,615 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:19:52,715 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 144 proven. 0 refuted. 0 times theorem prover too weak. 276 trivial. 0 not checked. [2023-11-24 23:19:52,716 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-24 23:19:52,717 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-24 23:19:52,717 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1868938895] [2023-11-24 23:19:52,718 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1868938895] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-24 23:19:52,718 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-24 23:19:52,718 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-24 23:19:52,721 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1520323368] [2023-11-24 23:19:52,721 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-24 23:19:52,727 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-24 23:19:52,727 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-24 23:19:52,762 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-24 23:19:52,763 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-24 23:19:52,766 INFO L87 Difference]: Start difference. First operand has 105 states, 87 states have (on average 1.4827586206896552) internal successors, (129), 88 states have internal predecessors, (129), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) Second operand has 4 states, 4 states have (on average 14.25) internal successors, (57), 4 states have internal predecessors, (57), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2023-11-24 23:19:52,972 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-24 23:19:52,973 INFO L93 Difference]: Finished difference Result 213 states and 341 transitions. [2023-11-24 23:19:52,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-24 23:19:52,977 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.25) internal successors, (57), 4 states have internal predecessors, (57), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 126 [2023-11-24 23:19:52,979 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-24 23:19:52,988 INFO L225 Difference]: With dead ends: 213 [2023-11-24 23:19:52,988 INFO L226 Difference]: Without dead ends: 109 [2023-11-24 23:19:52,993 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 126 GetRequests, 123 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-24 23:19:52,997 INFO L413 NwaCegarLoop]: 149 mSDtfsCounter, 10 mSDsluCounter, 290 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 439 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-24 23:19:52,999 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 439 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-24 23:19:53,018 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2023-11-24 23:19:53,050 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 105. [2023-11-24 23:19:53,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 105 states, 88 states have (on average 1.4318181818181819) internal successors, (126), 88 states have internal predecessors, (126), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2023-11-24 23:19:53,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 156 transitions. [2023-11-24 23:19:53,057 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 156 transitions. Word has length 126 [2023-11-24 23:19:53,058 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-24 23:19:53,059 INFO L495 AbstractCegarLoop]: Abstraction has 105 states and 156 transitions. [2023-11-24 23:19:53,059 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.25) internal successors, (57), 4 states have internal predecessors, (57), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2023-11-24 23:19:53,059 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 156 transitions. [2023-11-24 23:19:53,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2023-11-24 23:19:53,063 INFO L187 NwaCegarLoop]: Found error trace [2023-11-24 23:19:53,064 INFO L195 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-24 23:19:53,083 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d4b5157-ff74-4981-b52a-e64d7db09440/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 23:19:53,277 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d4b5157-ff74-4981-b52a-e64d7db09440/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 23:19:53,278 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-24 23:19:53,279 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:19:53,279 INFO L85 PathProgramCache]: Analyzing trace with hash 1186074394, now seen corresponding path program 1 times [2023-11-24 23:19:53,280 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-24 23:19:53,280 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [169805024] [2023-11-24 23:19:53,280 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:19:53,280 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 23:19:53,281 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d4b5157-ff74-4981-b52a-e64d7db09440/bin/utaipan-verify-SwPr7d2a91/mathsat [2023-11-24 23:19:53,282 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d4b5157-ff74-4981-b52a-e64d7db09440/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 23:19:53,288 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d4b5157-ff74-4981-b52a-e64d7db09440/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 23:19:53,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:19:53,792 INFO L262 TraceCheckSpWp]: Trace formula consists of 260 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-24 23:19:53,800 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:19:53,994 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 10 [2023-11-24 23:19:54,058 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2023-11-24 23:19:54,059 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-24 23:19:54,059 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-24 23:19:54,059 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [169805024] [2023-11-24 23:19:54,059 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [169805024] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-24 23:19:54,060 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-24 23:19:54,060 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-24 23:19:54,060 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [660100356] [2023-11-24 23:19:54,060 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-24 23:19:54,062 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-24 23:19:54,062 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-24 23:19:54,063 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-24 23:19:54,065 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-24 23:19:54,065 INFO L87 Difference]: Start difference. First operand 105 states and 156 transitions. Second operand has 5 states, 5 states have (on average 10.8) internal successors, (54), 5 states have internal predecessors, (54), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2023-11-24 23:19:56,621 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.13s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-24 23:19:58,628 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-24 23:20:04,243 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.99s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-24 23:20:07,794 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-24 23:20:09,283 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.49s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-24 23:20:11,390 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s 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 23:20:11,429 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-24 23:20:11,429 INFO L93 Difference]: Finished difference Result 266 states and 397 transitions. [2023-11-24 23:20:11,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-24 23:20:11,431 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.8) internal successors, (54), 5 states have internal predecessors, (54), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) Word has length 126 [2023-11-24 23:20:11,432 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-24 23:20:11,435 INFO L225 Difference]: With dead ends: 266 [2023-11-24 23:20:11,435 INFO L226 Difference]: Without dead ends: 162 [2023-11-24 23:20:11,437 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 127 GetRequests, 122 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2023-11-24 23:20:11,439 INFO L413 NwaCegarLoop]: 162 mSDtfsCounter, 119 mSDsluCounter, 348 mSDsCounter, 0 mSdLazyCounter, 209 mSolverCounterSat, 5 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 119 SdHoareTripleChecker+Valid, 510 SdHoareTripleChecker+Invalid, 218 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 209 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.1s IncrementalHoareTripleChecker+Time [2023-11-24 23:20:11,440 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [119 Valid, 510 Invalid, 218 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 209 Invalid, 4 Unknown, 0 Unchecked, 17.1s Time] [2023-11-24 23:20:11,441 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 162 states. [2023-11-24 23:20:11,465 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 162 to 111. [2023-11-24 23:20:11,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 111 states, 94 states have (on average 1.425531914893617) internal successors, (134), 94 states have internal predecessors, (134), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2023-11-24 23:20:11,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 164 transitions. [2023-11-24 23:20:11,470 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 164 transitions. Word has length 126 [2023-11-24 23:20:11,474 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-24 23:20:11,474 INFO L495 AbstractCegarLoop]: Abstraction has 111 states and 164 transitions. [2023-11-24 23:20:11,477 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.8) internal successors, (54), 5 states have internal predecessors, (54), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2023-11-24 23:20:11,478 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 164 transitions. [2023-11-24 23:20:11,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2023-11-24 23:20:11,487 INFO L187 NwaCegarLoop]: Found error trace [2023-11-24 23:20:11,487 INFO L195 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-24 23:20:11,507 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d4b5157-ff74-4981-b52a-e64d7db09440/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 23:20:11,695 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d4b5157-ff74-4981-b52a-e64d7db09440/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 23:20:11,696 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-24 23:20:11,697 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:20:11,697 INFO L85 PathProgramCache]: Analyzing trace with hash 174957144, now seen corresponding path program 1 times [2023-11-24 23:20:11,698 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-24 23:20:11,698 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [135227674] [2023-11-24 23:20:11,699 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:20:11,699 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 23:20:11,699 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d4b5157-ff74-4981-b52a-e64d7db09440/bin/utaipan-verify-SwPr7d2a91/mathsat [2023-11-24 23:20:11,704 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d4b5157-ff74-4981-b52a-e64d7db09440/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 23:20:11,748 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d4b5157-ff74-4981-b52a-e64d7db09440/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 23:20:12,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:20:12,349 INFO L262 TraceCheckSpWp]: Trace formula consists of 263 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-24 23:20:12,356 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:20:12,423 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2023-11-24 23:20:12,424 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-24 23:20:12,424 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-24 23:20:12,425 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [135227674] [2023-11-24 23:20:12,425 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [135227674] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-24 23:20:12,425 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-24 23:20:12,425 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-24 23:20:12,426 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1063306605] [2023-11-24 23:20:12,426 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-24 23:20:12,429 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-24 23:20:12,429 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-24 23:20:12,431 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-24 23:20:12,431 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-24 23:20:12,434 INFO L87 Difference]: Start difference. First operand 111 states and 164 transitions. Second operand has 4 states, 4 states have (on average 13.5) internal successors, (54), 4 states have internal predecessors, (54), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2023-11-24 23:20:12,569 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-24 23:20:12,570 INFO L93 Difference]: Finished difference Result 243 states and 361 transitions. [2023-11-24 23:20:12,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-24 23:20:12,571 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.5) internal successors, (54), 4 states have internal predecessors, (54), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) Word has length 126 [2023-11-24 23:20:12,572 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-24 23:20:12,574 INFO L225 Difference]: With dead ends: 243 [2023-11-24 23:20:12,575 INFO L226 Difference]: Without dead ends: 133 [2023-11-24 23:20:12,576 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 126 GetRequests, 123 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-24 23:20:12,578 INFO L413 NwaCegarLoop]: 173 mSDtfsCounter, 41 mSDsluCounter, 310 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 41 SdHoareTripleChecker+Valid, 483 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-24 23:20:12,579 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [41 Valid, 483 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-24 23:20:12,581 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 133 states. [2023-11-24 23:20:12,594 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 133 to 113. [2023-11-24 23:20:12,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 113 states, 96 states have (on average 1.4166666666666667) internal successors, (136), 96 states have internal predecessors, (136), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2023-11-24 23:20:12,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 166 transitions. [2023-11-24 23:20:12,597 INFO L78 Accepts]: Start accepts. Automaton has 113 states and 166 transitions. Word has length 126 [2023-11-24 23:20:12,598 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-24 23:20:12,598 INFO L495 AbstractCegarLoop]: Abstraction has 113 states and 166 transitions. [2023-11-24 23:20:12,599 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.5) internal successors, (54), 4 states have internal predecessors, (54), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2023-11-24 23:20:12,599 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 166 transitions. [2023-11-24 23:20:12,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2023-11-24 23:20:12,602 INFO L187 NwaCegarLoop]: Found error trace [2023-11-24 23:20:12,602 INFO L195 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-24 23:20:12,615 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d4b5157-ff74-4981-b52a-e64d7db09440/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 23:20:12,811 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d4b5157-ff74-4981-b52a-e64d7db09440/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 23:20:12,812 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-24 23:20:12,812 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:20:12,812 INFO L85 PathProgramCache]: Analyzing trace with hash -912325823, now seen corresponding path program 1 times [2023-11-24 23:20:12,813 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-24 23:20:12,814 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1568820557] [2023-11-24 23:20:12,814 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:20:12,814 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 23:20:12,814 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d4b5157-ff74-4981-b52a-e64d7db09440/bin/utaipan-verify-SwPr7d2a91/mathsat [2023-11-24 23:20:12,817 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d4b5157-ff74-4981-b52a-e64d7db09440/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 23:20:12,819 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d4b5157-ff74-4981-b52a-e64d7db09440/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 23:20:13,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:20:13,401 INFO L262 TraceCheckSpWp]: Trace formula consists of 266 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-24 23:20:13,407 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:20:13,895 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-24 23:20:13,895 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 23:20:13,953 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 176 proven. 0 refuted. 0 times theorem prover too weak. 244 trivial. 0 not checked. [2023-11-24 23:20:13,954 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-24 23:20:13,954 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-24 23:20:13,954 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1568820557] [2023-11-24 23:20:13,954 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1568820557] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-24 23:20:13,955 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-24 23:20:13,955 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-24 23:20:13,955 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1390907710] [2023-11-24 23:20:13,956 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-24 23:20:13,956 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-24 23:20:13,957 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-24 23:20:13,958 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-24 23:20:13,958 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-11-24 23:20:13,959 INFO L87 Difference]: Start difference. First operand 113 states and 166 transitions. Second operand has 6 states, 6 states have (on average 9.833333333333334) internal successors, (59), 5 states have internal predecessors, (59), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2023-11-24 23:20:16,957 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-24 23:20:20,103 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-24 23:20:22,693 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.52s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-24 23:20:24,896 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-24 23:20:26,900 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-24 23:20:27,469 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-24 23:20:27,469 INFO L93 Difference]: Finished difference Result 231 states and 340 transitions. [2023-11-24 23:20:27,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-24 23:20:27,471 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.833333333333334) internal successors, (59), 5 states have internal predecessors, (59), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 128 [2023-11-24 23:20:27,471 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-24 23:20:27,473 INFO L225 Difference]: With dead ends: 231 [2023-11-24 23:20:27,473 INFO L226 Difference]: Without dead ends: 119 [2023-11-24 23:20:27,475 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 131 GetRequests, 123 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=35, Invalid=55, Unknown=0, NotChecked=0, Total=90 [2023-11-24 23:20:27,476 INFO L413 NwaCegarLoop]: 125 mSDtfsCounter, 127 mSDsluCounter, 289 mSDsCounter, 0 mSdLazyCounter, 196 mSolverCounterSat, 4 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 127 SdHoareTripleChecker+Valid, 414 SdHoareTripleChecker+Invalid, 204 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 196 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.3s IncrementalHoareTripleChecker+Time [2023-11-24 23:20:27,477 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [127 Valid, 414 Invalid, 204 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 196 Invalid, 4 Unknown, 0 Unchecked, 13.3s Time] [2023-11-24 23:20:27,478 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119 states. [2023-11-24 23:20:27,493 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119 to 113. [2023-11-24 23:20:27,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 113 states, 96 states have (on average 1.40625) internal successors, (135), 96 states have internal predecessors, (135), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2023-11-24 23:20:27,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 165 transitions. [2023-11-24 23:20:27,496 INFO L78 Accepts]: Start accepts. Automaton has 113 states and 165 transitions. Word has length 128 [2023-11-24 23:20:27,496 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-24 23:20:27,497 INFO L495 AbstractCegarLoop]: Abstraction has 113 states and 165 transitions. [2023-11-24 23:20:27,497 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.833333333333334) internal successors, (59), 5 states have internal predecessors, (59), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2023-11-24 23:20:27,497 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 165 transitions. [2023-11-24 23:20:27,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2023-11-24 23:20:27,500 INFO L187 NwaCegarLoop]: Found error trace [2023-11-24 23:20:27,500 INFO L195 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-24 23:20:27,518 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d4b5157-ff74-4981-b52a-e64d7db09440/bin/utaipan-verify-SwPr7d2a91/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Ended with exit code 0 [2023-11-24 23:20:27,716 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d4b5157-ff74-4981-b52a-e64d7db09440/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 23:20:27,717 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-24 23:20:27,717 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:20:27,717 INFO L85 PathProgramCache]: Analyzing trace with hash -1750203717, now seen corresponding path program 1 times [2023-11-24 23:20:27,718 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-24 23:20:27,718 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1201114297] [2023-11-24 23:20:27,718 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:20:27,719 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 23:20:27,719 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d4b5157-ff74-4981-b52a-e64d7db09440/bin/utaipan-verify-SwPr7d2a91/mathsat [2023-11-24 23:20:27,720 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d4b5157-ff74-4981-b52a-e64d7db09440/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 23:20:27,728 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d4b5157-ff74-4981-b52a-e64d7db09440/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 23:20:28,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:20:28,457 INFO L262 TraceCheckSpWp]: Trace formula consists of 272 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-24 23:20:28,464 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:20:28,957 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-24 23:20:28,958 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 23:20:29,014 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 144 proven. 0 refuted. 0 times theorem prover too weak. 276 trivial. 0 not checked. [2023-11-24 23:20:29,014 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-24 23:20:29,014 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-24 23:20:29,014 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1201114297] [2023-11-24 23:20:29,015 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1201114297] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-24 23:20:29,015 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-24 23:20:29,015 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-24 23:20:29,015 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2083028192] [2023-11-24 23:20:29,016 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-24 23:20:29,016 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-24 23:20:29,017 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-24 23:20:29,018 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-24 23:20:29,018 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-11-24 23:20:29,018 INFO L87 Difference]: Start difference. First operand 113 states and 165 transitions. Second operand has 6 states, 6 states have (on average 10.166666666666666) internal successors, (61), 5 states have internal predecessors, (61), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15)