./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-25.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_937488c3-120b-4877-9208-b4b0f5370c72/bin/utaipan-verify-SwPr7d2a91/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_937488c3-120b-4877-9208-b4b0f5370c72/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_937488c3-120b-4877-9208-b4b0f5370c72/bin/utaipan-verify-SwPr7d2a91/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_937488c3-120b-4877-9208-b4b0f5370c72/bin/utaipan-verify-SwPr7d2a91/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-25.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_937488c3-120b-4877-9208-b4b0f5370c72/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_937488c3-120b-4877-9208-b4b0f5370c72/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 7e44eca549ad63e100ff6b29db4a1cf439ea9f40f98c1b07aaed555a9a1c91f0 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 23:58:57,761 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:58:57,829 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_937488c3-120b-4877-9208-b4b0f5370c72/bin/utaipan-verify-SwPr7d2a91/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-11-24 23:58:57,835 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 23:58:57,836 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-24 23:58:57,862 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:58:57,863 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-24 23:58:57,864 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-24 23:58:57,865 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 23:58:57,866 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-24 23:58:57,867 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-24 23:58:57,867 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-24 23:58:57,868 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-24 23:58:57,869 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-24 23:58:57,869 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-24 23:58:57,870 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-24 23:58:57,871 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-24 23:58:57,871 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-24 23:58:57,872 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-24 23:58:57,873 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-24 23:58:57,873 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-24 23:58:57,874 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-24 23:58:57,875 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:58:57,876 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 23:58:57,877 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 23:58:57,877 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 23:58:57,878 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 23:58:57,879 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:58:57,879 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 23:58:57,880 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:58:57,880 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 23:58:57,881 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 23:58:57,881 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 23:58:57,882 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:58:57,882 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:58:57,883 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-24 23:58:57,883 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-24 23:58:57,884 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-24 23:58:57,884 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:58:57,885 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:58:57,885 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 23:58:57,886 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-24 23:58:57,886 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 23:58:57,887 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-24 23:58:57,887 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 23:58:57,888 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-24 23:58:57,888 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-24 23:58:57,889 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_937488c3-120b-4877-9208-b4b0f5370c72/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_937488c3-120b-4877-9208-b4b0f5370c72/bin/utaipan-verify-SwPr7d2a91 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7e44eca549ad63e100ff6b29db4a1cf439ea9f40f98c1b07aaed555a9a1c91f0 [2023-11-24 23:58:58,178 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:58:58,202 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:58:58,205 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:58:58,207 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:58:58,207 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:58:58,209 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_937488c3-120b-4877-9208-b4b0f5370c72/bin/utaipan-verify-SwPr7d2a91/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-25.i [2023-11-24 23:59:01,443 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:59:01,742 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:59:01,743 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_937488c3-120b-4877-9208-b4b0f5370c72/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-25.i [2023-11-24 23:59:01,756 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_937488c3-120b-4877-9208-b4b0f5370c72/bin/utaipan-verify-SwPr7d2a91/data/19c7e9e14/bc301bb54e644b0a923d86a2bbebe89e/FLAG8fb817c6e [2023-11-24 23:59:01,778 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_937488c3-120b-4877-9208-b4b0f5370c72/bin/utaipan-verify-SwPr7d2a91/data/19c7e9e14/bc301bb54e644b0a923d86a2bbebe89e [2023-11-24 23:59:01,786 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:59:01,790 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:59:01,794 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:59:01,795 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:59:01,801 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:59:01,802 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:59:01" (1/1) ... [2023-11-24 23:59:01,804 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@25b8467f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:59:01, skipping insertion in model container [2023-11-24 23:59:01,804 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:59:01" (1/1) ... [2023-11-24 23:59:01,841 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:59:02,029 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_937488c3-120b-4877-9208-b4b0f5370c72/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-25.i[916,929] [2023-11-24 23:59:02,112 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:59:02,130 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 23:59:02,157 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_937488c3-120b-4877-9208-b4b0f5370c72/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-25.i[916,929] [2023-11-24 23:59:02,229 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:59:02,253 INFO L206 MainTranslator]: Completed translation [2023-11-24 23:59:02,253 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:59:02 WrapperNode [2023-11-24 23:59:02,253 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:59:02,255 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 23:59:02,255 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 23:59:02,255 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 23:59:02,264 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:59:02" (1/1) ... [2023-11-24 23:59:02,304 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:59:02" (1/1) ... [2023-11-24 23:59:02,382 INFO L138 Inliner]: procedures = 29, calls = 176, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 486 [2023-11-24 23:59:02,382 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 23:59:02,383 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 23:59:02,383 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 23:59:02,383 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 23:59:02,396 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:59:02" (1/1) ... [2023-11-24 23:59:02,397 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:59:02" (1/1) ... [2023-11-24 23:59:02,407 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:59:02" (1/1) ... [2023-11-24 23:59:02,407 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:59:02" (1/1) ... [2023-11-24 23:59:02,437 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:59:02" (1/1) ... [2023-11-24 23:59:02,444 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:59:02" (1/1) ... [2023-11-24 23:59:02,448 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:59:02" (1/1) ... [2023-11-24 23:59:02,452 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:59:02" (1/1) ... [2023-11-24 23:59:02,460 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 23:59:02,461 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 23:59:02,462 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 23:59:02,462 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 23:59:02,463 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:59:02" (1/1) ... [2023-11-24 23:59:02,470 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-24 23:59:02,488 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_937488c3-120b-4877-9208-b4b0f5370c72/bin/utaipan-verify-SwPr7d2a91/z3 [2023-11-24 23:59:02,502 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_937488c3-120b-4877-9208-b4b0f5370c72/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-24 23:59:02,541 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_937488c3-120b-4877-9208-b4b0f5370c72/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-24 23:59:02,561 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 23:59:02,562 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-24 23:59:02,562 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2023-11-24 23:59:02,562 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2023-11-24 23:59:02,565 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-24 23:59:02,566 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2023-11-24 23:59:02,566 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-24 23:59:02,566 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-24 23:59:02,566 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 23:59:02,567 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 23:59:02,567 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 23:59:02,708 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 23:59:02,711 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 23:59:03,569 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 23:59:04,401 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 23:59:04,401 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-24 23:59:04,403 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:59:04 BoogieIcfgContainer [2023-11-24 23:59:04,404 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 23:59:04,407 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-24 23:59:04,407 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-24 23:59:04,411 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-24 23:59:04,412 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 11:59:01" (1/3) ... [2023-11-24 23:59:04,413 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@19b5cc2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 11:59:04, skipping insertion in model container [2023-11-24 23:59:04,413 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:59:02" (2/3) ... [2023-11-24 23:59:04,413 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@19b5cc2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 11:59:04, skipping insertion in model container [2023-11-24 23:59:04,414 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:59:04" (3/3) ... [2023-11-24 23:59:04,416 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-s_file-25.i [2023-11-24 23:59:04,440 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-24 23:59:04,440 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-24 23:59:04,501 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-24 23:59:04,509 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;@7d7a66, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-24 23:59:04,538 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-24 23:59:04,544 INFO L276 IsEmpty]: Start isEmpty. Operand has 45 states, 24 states have (on average 1.125) internal successors, (27), 25 states have internal predecessors, (27), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2023-11-24 23:59:04,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2023-11-24 23:59:04,558 INFO L187 NwaCegarLoop]: Found error trace [2023-11-24 23:59:04,560 INFO L195 NwaCegarLoop]: trace histogram [18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:59:04,561 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-24 23:59:04,569 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:59:04,570 INFO L85 PathProgramCache]: Analyzing trace with hash -2022268791, now seen corresponding path program 1 times [2023-11-24 23:59:04,581 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-24 23:59:04,582 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [445386906] [2023-11-24 23:59:04,582 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:59:04,583 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:59:07,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:59:07,576 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 23:59:09,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:59:09,214 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-11-24 23:59:09,216 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-24 23:59:09,217 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-24 23:59:09,220 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-24 23:59:09,226 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-24 23:59:09,238 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-24 23:59:09,297 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem52 could not be translated [2023-11-24 23:59:09,301 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem52 could not be translated [2023-11-24 23:59:09,302 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem53 could not be translated [2023-11-24 23:59:09,302 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem53 could not be translated [2023-11-24 23:59:09,303 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem55 could not be translated [2023-11-24 23:59:09,303 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem55 could not be translated [2023-11-24 23:59:09,304 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem56 could not be translated [2023-11-24 23:59:09,305 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem56 could not be translated [2023-11-24 23:59:09,306 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem58 could not be translated [2023-11-24 23:59:09,306 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem58 could not be translated [2023-11-24 23:59:09,306 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem59 could not be translated [2023-11-24 23:59:09,307 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem59 could not be translated [2023-11-24 23:59:09,307 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem61 could not be translated [2023-11-24 23:59:09,308 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem61 could not be translated [2023-11-24 23:59:09,308 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem62 could not be translated [2023-11-24 23:59:09,309 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem62 could not be translated [2023-11-24 23:59:09,309 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem64 could not be translated [2023-11-24 23:59:09,310 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem64 could not be translated [2023-11-24 23:59:09,310 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem65 could not be translated [2023-11-24 23:59:09,312 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem65 could not be translated [2023-11-24 23:59:09,313 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem67 could not be translated [2023-11-24 23:59:09,320 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem67 could not be translated [2023-11-24 23:59:09,321 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem68 could not be translated [2023-11-24 23:59:09,322 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem68 could not be translated [2023-11-24 23:59:09,323 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem73 could not be translated [2023-11-24 23:59:09,323 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem70 could not be translated [2023-11-24 23:59:09,323 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem74 could not be translated [2023-11-24 23:59:09,324 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short75 could not be translated [2023-11-24 23:59:09,324 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short72 could not be translated [2023-11-24 23:59:09,324 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem71 could not be translated [2023-11-24 23:59:09,325 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short76 could not be translated [2023-11-24 23:59:09,326 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short76 could not be translated [2023-11-24 23:59:09,326 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short72 could not be translated [2023-11-24 23:59:09,326 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem74 could not be translated [2023-11-24 23:59:09,327 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem71 could not be translated [2023-11-24 23:59:09,327 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem70 could not be translated [2023-11-24 23:59:09,328 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short75 could not be translated [2023-11-24 23:59:09,328 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem73 could not be translated [2023-11-24 23:59:09,329 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem81 could not be translated [2023-11-24 23:59:09,329 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short83 could not be translated [2023-11-24 23:59:09,330 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem78 could not be translated [2023-11-24 23:59:09,330 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem79 could not be translated [2023-11-24 23:59:09,330 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short84 could not be translated [2023-11-24 23:59:09,331 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short80 could not be translated [2023-11-24 23:59:09,331 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem82 could not be translated [2023-11-24 23:59:09,332 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short84 could not be translated [2023-11-24 23:59:09,333 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem79 could not be translated [2023-11-24 23:59:09,333 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem82 could not be translated [2023-11-24 23:59:09,333 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem78 could not be translated [2023-11-24 23:59:09,333 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short80 could not be translated [2023-11-24 23:59:09,334 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem81 could not be translated [2023-11-24 23:59:09,334 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short83 could not be translated [2023-11-24 23:59:09,335 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem86 could not be translated [2023-11-24 23:59:09,336 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem86 could not be translated [2023-11-24 23:59:09,337 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem87 could not be translated [2023-11-24 23:59:09,339 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem87 could not be translated [2023-11-24 23:59:09,339 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem89 could not be translated [2023-11-24 23:59:09,341 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem89 could not be translated [2023-11-24 23:59:09,341 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem90 could not be translated [2023-11-24 23:59:09,342 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem90 could not be translated [2023-11-24 23:59:09,378 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.11 11:59:09 BoogieIcfgContainer [2023-11-24 23:59:09,378 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-24 23:59:09,380 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-24 23:59:09,380 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-24 23:59:09,381 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-24 23:59:09,382 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:59:04" (3/4) ... [2023-11-24 23:59:09,384 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-24 23:59:09,386 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-24 23:59:09,387 INFO L158 Benchmark]: Toolchain (without parser) took 7596.65ms. Allocated memory was 125.8MB in the beginning and 253.8MB in the end (delta: 127.9MB). Free memory was 78.1MB in the beginning and 80.5MB in the end (delta: -2.4MB). Peak memory consumption was 127.2MB. Max. memory is 16.1GB. [2023-11-24 23:59:09,388 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 125.8MB. Free memory is still 72.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:59:09,389 INFO L158 Benchmark]: CACSL2BoogieTranslator took 459.70ms. Allocated memory is still 125.8MB. Free memory was 78.1MB in the beginning and 61.3MB in the end (delta: 16.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-24 23:59:09,391 INFO L158 Benchmark]: Boogie Procedure Inliner took 127.52ms. Allocated memory was 125.8MB in the beginning and 157.3MB in the end (delta: 31.5MB). Free memory was 61.3MB in the beginning and 126.9MB in the end (delta: -65.6MB). Peak memory consumption was 9.5MB. Max. memory is 16.1GB. [2023-11-24 23:59:09,396 INFO L158 Benchmark]: Boogie Preprocessor took 77.66ms. Allocated memory is still 157.3MB. Free memory was 126.9MB in the beginning and 123.8MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-24 23:59:09,397 INFO L158 Benchmark]: RCFGBuilder took 1942.33ms. Allocated memory is still 157.3MB. Free memory was 122.7MB in the beginning and 55.2MB in the end (delta: 67.5MB). Peak memory consumption was 83.9MB. Max. memory is 16.1GB. [2023-11-24 23:59:09,399 INFO L158 Benchmark]: TraceAbstraction took 4971.38ms. Allocated memory was 157.3MB in the beginning and 253.8MB in the end (delta: 96.5MB). Free memory was 54.2MB in the beginning and 80.5MB in the end (delta: -26.3MB). Peak memory consumption was 88.1MB. Max. memory is 16.1GB. [2023-11-24 23:59:09,399 INFO L158 Benchmark]: Witness Printer took 5.72ms. Allocated memory is still 253.8MB. Free memory is still 80.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:59:09,407 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 125.8MB. Free memory is still 72.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 459.70ms. Allocated memory is still 125.8MB. Free memory was 78.1MB in the beginning and 61.3MB in the end (delta: 16.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 127.52ms. Allocated memory was 125.8MB in the beginning and 157.3MB in the end (delta: 31.5MB). Free memory was 61.3MB in the beginning and 126.9MB in the end (delta: -65.6MB). Peak memory consumption was 9.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 77.66ms. Allocated memory is still 157.3MB. Free memory was 126.9MB in the beginning and 123.8MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1942.33ms. Allocated memory is still 157.3MB. Free memory was 122.7MB in the beginning and 55.2MB in the end (delta: 67.5MB). Peak memory consumption was 83.9MB. Max. memory is 16.1GB. * TraceAbstraction took 4971.38ms. Allocated memory was 157.3MB in the beginning and 253.8MB in the end (delta: 96.5MB). Free memory was 54.2MB in the beginning and 80.5MB in the end (delta: -26.3MB). Peak memory consumption was 88.1MB. Max. memory is 16.1GB. * Witness Printer took 5.72ms. Allocated memory is still 253.8MB. Free memory is still 80.5MB. 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~mem52 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem52 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem53 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem53 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem55 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem55 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem56 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem56 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem58 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem58 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem59 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem59 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem61 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem61 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem62 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem62 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem64 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem64 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem65 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem65 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem67 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem67 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem68 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem68 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem73 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem70 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem74 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short75 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short72 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem71 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short76 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short76 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short72 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem74 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem71 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem70 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~mem81 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short83 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem78 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem79 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short84 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short80 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem82 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short84 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem79 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem82 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem78 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short80 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem81 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short83 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem86 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem86 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem87 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem87 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem89 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem89 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem90 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem90 could not be translated - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 58. Possible FailurePath: [L38] unsigned char isInitial = 0; [L39-L54] struct WrapperStruct00 WrapperStruct00 = { 256, 0, 10, 500, 0, 1509114200, 10, 128.9, 63.363, 4.575, 25.5, 1, 0, 1 }; [L126] isInitial = 1 [L127] FCALL initially() [L128] COND TRUE 1 [L129] FCALL updateLastVariables() [L130] CALL updateVariables() [L90] WrapperStruct00.var_1_2 = __VERIFIER_nondet_uchar() [L91] EXPR WrapperStruct00.var_1_2 VAL [WrapperStruct00={4:0}, isInitial=1] [L91] CALL assume_abort_if_not(WrapperStruct00.var_1_2 >= 0) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) [L91] RET assume_abort_if_not(WrapperStruct00.var_1_2 >= 0) VAL [WrapperStruct00={4:0}, isInitial=1] [L92] EXPR WrapperStruct00.var_1_2 VAL [WrapperStruct00={4:0}, isInitial=1] [L92] CALL assume_abort_if_not(WrapperStruct00.var_1_2 <= 1) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) [L92] RET assume_abort_if_not(WrapperStruct00.var_1_2 <= 1) VAL [WrapperStruct00={4:0}, isInitial=1] [L93] WrapperStruct00.var_1_3 = __VERIFIER_nondet_ushort() [L94] EXPR WrapperStruct00.var_1_3 VAL [WrapperStruct00={4:0}, isInitial=1] [L94] CALL assume_abort_if_not(WrapperStruct00.var_1_3 >= 0) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) [L94] RET assume_abort_if_not(WrapperStruct00.var_1_3 >= 0) VAL [WrapperStruct00={4:0}, isInitial=1] [L95] EXPR WrapperStruct00.var_1_3 VAL [WrapperStruct00={4:0}, isInitial=1] [L95] CALL assume_abort_if_not(WrapperStruct00.var_1_3 <= 65535) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) [L95] RET assume_abort_if_not(WrapperStruct00.var_1_3 <= 65535) VAL [WrapperStruct00={4:0}, isInitial=1] [L96] WrapperStruct00.var_1_4 = __VERIFIER_nondet_ushort() [L97] EXPR WrapperStruct00.var_1_4 VAL [WrapperStruct00={4:0}, isInitial=1] [L97] CALL assume_abort_if_not(WrapperStruct00.var_1_4 >= 0) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) [L97] RET assume_abort_if_not(WrapperStruct00.var_1_4 >= 0) VAL [WrapperStruct00={4:0}, isInitial=1] [L98] EXPR WrapperStruct00.var_1_4 VAL [WrapperStruct00={4:0}, isInitial=1] [L98] CALL assume_abort_if_not(WrapperStruct00.var_1_4 <= 65535) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) [L98] RET assume_abort_if_not(WrapperStruct00.var_1_4 <= 65535) VAL [WrapperStruct00={4:0}, isInitial=1] [L99] WrapperStruct00.var_1_5 = __VERIFIER_nondet_ulong() [L100] EXPR WrapperStruct00.var_1_5 VAL [WrapperStruct00={4:0}, isInitial=1] [L100] CALL assume_abort_if_not(WrapperStruct00.var_1_5 >= 0) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) [L100] RET assume_abort_if_not(WrapperStruct00.var_1_5 >= 0) VAL [WrapperStruct00={4:0}, isInitial=1] [L101] EXPR WrapperStruct00.var_1_5 VAL [WrapperStruct00={4:0}, isInitial=1] [L101] CALL assume_abort_if_not(WrapperStruct00.var_1_5 <= 1073741823) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) [L101] RET assume_abort_if_not(WrapperStruct00.var_1_5 <= 1073741823) VAL [WrapperStruct00={4:0}, isInitial=1] [L102] WrapperStruct00.var_1_6 = __VERIFIER_nondet_ulong() [L103] EXPR WrapperStruct00.var_1_6 VAL [WrapperStruct00={4:0}, isInitial=1] [L103] CALL assume_abort_if_not(WrapperStruct00.var_1_6 >= 1073741823) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) [L103] RET assume_abort_if_not(WrapperStruct00.var_1_6 >= 1073741823) VAL [WrapperStruct00={4:0}, isInitial=1] [L104] EXPR WrapperStruct00.var_1_6 VAL [WrapperStruct00={4:0}, isInitial=1] [L104] CALL assume_abort_if_not(WrapperStruct00.var_1_6 <= 2147483647) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) [L104] RET assume_abort_if_not(WrapperStruct00.var_1_6 <= 2147483647) VAL [WrapperStruct00={4:0}, isInitial=1] [L105] WrapperStruct00.var_1_7 = __VERIFIER_nondet_ulong() [L106] EXPR WrapperStruct00.var_1_7 VAL [WrapperStruct00={4:0}, isInitial=1] [L106] CALL assume_abort_if_not(WrapperStruct00.var_1_7 >= 0) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) [L106] RET assume_abort_if_not(WrapperStruct00.var_1_7 >= 0) VAL [WrapperStruct00={4:0}, isInitial=1] [L107] EXPR WrapperStruct00.var_1_7 VAL [WrapperStruct00={4:0}, isInitial=1] [L107] CALL assume_abort_if_not(WrapperStruct00.var_1_7 <= 1073741823) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) [L107] RET assume_abort_if_not(WrapperStruct00.var_1_7 <= 1073741823) VAL [WrapperStruct00={4:0}, isInitial=1] [L108] WrapperStruct00.var_1_9 = __VERIFIER_nondet_float() [L109] EXPR WrapperStruct00.var_1_9 [L109] EXPR WrapperStruct00.var_1_9 >= -922337.2036854765600e+13F && WrapperStruct00.var_1_9 <= -1.0e-20F [L109] EXPR WrapperStruct00.var_1_9 [L109] EXPR WrapperStruct00.var_1_9 >= -922337.2036854765600e+13F && WrapperStruct00.var_1_9 <= -1.0e-20F [L109] EXPR (WrapperStruct00.var_1_9 >= -922337.2036854765600e+13F && WrapperStruct00.var_1_9 <= -1.0e-20F) || (WrapperStruct00.var_1_9 <= 9223372.036854765600e+12F && WrapperStruct00.var_1_9 >= 1.0e-20F ) VAL [WrapperStruct00={4:0}, isInitial=1] [L109] CALL assume_abort_if_not((WrapperStruct00.var_1_9 >= -922337.2036854765600e+13F && WrapperStruct00.var_1_9 <= -1.0e-20F) || (WrapperStruct00.var_1_9 <= 9223372.036854765600e+12F && WrapperStruct00.var_1_9 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) [L109] RET assume_abort_if_not((WrapperStruct00.var_1_9 >= -922337.2036854765600e+13F && WrapperStruct00.var_1_9 <= -1.0e-20F) || (WrapperStruct00.var_1_9 <= 9223372.036854765600e+12F && WrapperStruct00.var_1_9 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, isInitial=1] [L110] WrapperStruct00.var_1_10 = __VERIFIER_nondet_float() [L111] EXPR WrapperStruct00.var_1_10 [L111] EXPR WrapperStruct00.var_1_10 >= -922337.2036854765600e+13F && WrapperStruct00.var_1_10 <= -1.0e-20F [L111] EXPR WrapperStruct00.var_1_10 [L111] EXPR WrapperStruct00.var_1_10 >= -922337.2036854765600e+13F && WrapperStruct00.var_1_10 <= -1.0e-20F [L111] EXPR (WrapperStruct00.var_1_10 >= -922337.2036854765600e+13F && WrapperStruct00.var_1_10 <= -1.0e-20F) || (WrapperStruct00.var_1_10 <= 9223372.036854765600e+12F && WrapperStruct00.var_1_10 >= 1.0e-20F ) VAL [WrapperStruct00={4:0}, isInitial=1] [L111] CALL assume_abort_if_not((WrapperStruct00.var_1_10 >= -922337.2036854765600e+13F && WrapperStruct00.var_1_10 <= -1.0e-20F) || (WrapperStruct00.var_1_10 <= 9223372.036854765600e+12F && WrapperStruct00.var_1_10 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) [L111] RET assume_abort_if_not((WrapperStruct00.var_1_10 >= -922337.2036854765600e+13F && WrapperStruct00.var_1_10 <= -1.0e-20F) || (WrapperStruct00.var_1_10 <= 9223372.036854765600e+12F && WrapperStruct00.var_1_10 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, isInitial=1] [L112] WrapperStruct00.var_1_13 = __VERIFIER_nondet_uchar() [L113] EXPR WrapperStruct00.var_1_13 VAL [WrapperStruct00={4:0}, isInitial=1] [L113] CALL assume_abort_if_not(WrapperStruct00.var_1_13 >= 0) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) [L113] RET assume_abort_if_not(WrapperStruct00.var_1_13 >= 0) VAL [WrapperStruct00={4:0}, isInitial=1] [L114] EXPR WrapperStruct00.var_1_13 VAL [WrapperStruct00={4:0}, isInitial=1] [L114] CALL assume_abort_if_not(WrapperStruct00.var_1_13 <= 1) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) [L114] RET assume_abort_if_not(WrapperStruct00.var_1_13 <= 1) VAL [WrapperStruct00={4:0}, isInitial=1] [L115] WrapperStruct00.var_1_14 = __VERIFIER_nondet_uchar() [L116] EXPR WrapperStruct00.var_1_14 VAL [WrapperStruct00={4:0}, isInitial=1] [L116] CALL assume_abort_if_not(WrapperStruct00.var_1_14 >= 1) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) [L116] RET assume_abort_if_not(WrapperStruct00.var_1_14 >= 1) VAL [WrapperStruct00={4:0}, isInitial=1] [L117] EXPR WrapperStruct00.var_1_14 VAL [WrapperStruct00={4:0}, isInitial=1] [L117] CALL assume_abort_if_not(WrapperStruct00.var_1_14 <= 1) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) [L117] RET assume_abort_if_not(WrapperStruct00.var_1_14 <= 1) VAL [WrapperStruct00={4:0}, isInitial=1] [L130] RET updateVariables() [L131] CALL step() [L58] EXPR WrapperStruct00.var_1_9 [L58] EXPR WrapperStruct00.var_1_10 [L58] COND TRUE WrapperStruct00.var_1_9 != WrapperStruct00.var_1_10 [L59] EXPR WrapperStruct00.var_1_2 [L59] WrapperStruct00.var_1_2 || WrapperStruct00.var_1_13 [L59] EXPR WrapperStruct00.var_1_13 [L59] WrapperStruct00.var_1_2 || WrapperStruct00.var_1_13 [L59] COND FALSE !(WrapperStruct00.var_1_2 || WrapperStruct00.var_1_13) [L62] EXPR WrapperStruct00.var_1_14 [L62] WrapperStruct00.var_1_12 = WrapperStruct00.var_1_14 [L67] EXPR WrapperStruct00.var_1_3 [L67] unsigned short int stepLocal_0 = WrapperStruct00.var_1_3; [L68] WrapperStruct00.var_1_12 [L68] COND TRUE WrapperStruct00.var_1_12 [L69] EXPR WrapperStruct00.var_1_4 [L69] COND FALSE !(stepLocal_0 <= WrapperStruct00.var_1_4) [L75] EXPR WrapperStruct00.var_1_1 [L75] unsigned long int stepLocal_1 = WrapperStruct00.var_1_1; [L76] EXPR WrapperStruct00.var_1_7 [L76] COND FALSE !(WrapperStruct00.var_1_7 >= stepLocal_1) [L79] EXPR WrapperStruct00.var_1_9 [L79] EXPR WrapperStruct00.var_1_10 [L79] EXPR ((WrapperStruct00.var_1_9) < (WrapperStruct00.var_1_10)) ? (WrapperStruct00.var_1_9) : (WrapperStruct00.var_1_10) [L79] EXPR WrapperStruct00.var_1_9 [L79] EXPR ((WrapperStruct00.var_1_9) < (WrapperStruct00.var_1_10)) ? (WrapperStruct00.var_1_9) : (WrapperStruct00.var_1_10) [L79] WrapperStruct00.var_1_8 = ((((WrapperStruct00.var_1_9) < (WrapperStruct00.var_1_10)) ? (WrapperStruct00.var_1_9) : (WrapperStruct00.var_1_10))) [L81] EXPR WrapperStruct00.var_1_10 [L81] EXPR WrapperStruct00.var_1_9 [L81] EXPR ((128.175f) > (WrapperStruct00.var_1_9)) ? (128.175f) : (WrapperStruct00.var_1_9) [L81] EXPR WrapperStruct00.var_1_9 [L81] EXPR ((128.175f) > (WrapperStruct00.var_1_9)) ? (128.175f) : (WrapperStruct00.var_1_9) [L81] EXPR WrapperStruct00.var_1_8 [L81] EXPR ((((((128.175f) > (WrapperStruct00.var_1_9)) ? (128.175f) : (WrapperStruct00.var_1_9)))) < (WrapperStruct00.var_1_8)) ? (((((128.175f) > (WrapperStruct00.var_1_9)) ? (128.175f) : (WrapperStruct00.var_1_9)))) : (WrapperStruct00.var_1_8) [L81] EXPR WrapperStruct00.var_1_8 [L81] EXPR ((((((128.175f) > (WrapperStruct00.var_1_9)) ? (128.175f) : (WrapperStruct00.var_1_9)))) < (WrapperStruct00.var_1_8)) ? (((((128.175f) > (WrapperStruct00.var_1_9)) ? (128.175f) : (WrapperStruct00.var_1_9)))) : (WrapperStruct00.var_1_8) [L81] COND FALSE !(WrapperStruct00.var_1_10 >= ((((((((128.175f) > (WrapperStruct00.var_1_9)) ? (128.175f) : (WrapperStruct00.var_1_9)))) < (WrapperStruct00.var_1_8)) ? (((((128.175f) > (WrapperStruct00.var_1_9)) ? (128.175f) : (WrapperStruct00.var_1_9)))) : (WrapperStruct00.var_1_8)))) [L84] EXPR WrapperStruct00.var_1_7 [L84] EXPR WrapperStruct00.var_1_6 [L84] COND FALSE !(! (WrapperStruct00.var_1_7 <= WrapperStruct00.var_1_6)) [L131] RET step() [L132] CALL, EXPR property() [L122] EXPR WrapperStruct00.var_1_12 [L122] EXPR WrapperStruct00.var_1_12 ? ((WrapperStruct00.var_1_3 <= WrapperStruct00.var_1_4) ? (WrapperStruct00.var_1_1 == ((unsigned long int) (((((WrapperStruct00.var_1_3) > ((WrapperStruct00.var_1_4 + WrapperStruct00.var_1_5))) ? (WrapperStruct00.var_1_3) : ((WrapperStruct00.var_1_4 + WrapperStruct00.var_1_5)))) + (WrapperStruct00.var_1_6 - WrapperStruct00.var_1_7)))) : 1) : (WrapperStruct00.var_1_1 == ((unsigned long int) WrapperStruct00.var_1_7)) [L122] EXPR WrapperStruct00.var_1_3 [L122] EXPR WrapperStruct00.var_1_4 [L122] EXPR (WrapperStruct00.var_1_3 <= WrapperStruct00.var_1_4) ? (WrapperStruct00.var_1_1 == ((unsigned long int) (((((WrapperStruct00.var_1_3) > ((WrapperStruct00.var_1_4 + WrapperStruct00.var_1_5))) ? (WrapperStruct00.var_1_3) : ((WrapperStruct00.var_1_4 + WrapperStruct00.var_1_5)))) + (WrapperStruct00.var_1_6 - WrapperStruct00.var_1_7)))) : 1 [L122] EXPR WrapperStruct00.var_1_12 ? ((WrapperStruct00.var_1_3 <= WrapperStruct00.var_1_4) ? (WrapperStruct00.var_1_1 == ((unsigned long int) (((((WrapperStruct00.var_1_3) > ((WrapperStruct00.var_1_4 + WrapperStruct00.var_1_5))) ? (WrapperStruct00.var_1_3) : ((WrapperStruct00.var_1_4 + WrapperStruct00.var_1_5)))) + (WrapperStruct00.var_1_6 - WrapperStruct00.var_1_7)))) : 1) : (WrapperStruct00.var_1_1 == ((unsigned long int) WrapperStruct00.var_1_7)) [L122] EXPR (WrapperStruct00.var_1_12 ? ((WrapperStruct00.var_1_3 <= WrapperStruct00.var_1_4) ? (WrapperStruct00.var_1_1 == ((unsigned long int) (((((WrapperStruct00.var_1_3) > ((WrapperStruct00.var_1_4 + WrapperStruct00.var_1_5))) ? (WrapperStruct00.var_1_3) : ((WrapperStruct00.var_1_4 + WrapperStruct00.var_1_5)))) + (WrapperStruct00.var_1_6 - WrapperStruct00.var_1_7)))) : 1) : (WrapperStruct00.var_1_1 == ((unsigned long int) WrapperStruct00.var_1_7))) && ((WrapperStruct00.var_1_7 >= WrapperStruct00.var_1_1) ? (WrapperStruct00.var_1_8 == ((float) ((((0.5f) < (WrapperStruct00.var_1_9)) ? (0.5f) : (WrapperStruct00.var_1_9))))) : (WrapperStruct00.var_1_8 == ((float) ((((WrapperStruct00.var_1_9) < (WrapperStruct00.var_1_10)) ? (WrapperStruct00.var_1_9) : (WrapperStruct00.var_1_10)))))) [L122] EXPR WrapperStruct00.var_1_7 [L122] EXPR WrapperStruct00.var_1_1 [L122] EXPR (WrapperStruct00.var_1_7 >= WrapperStruct00.var_1_1) ? (WrapperStruct00.var_1_8 == ((float) ((((0.5f) < (WrapperStruct00.var_1_9)) ? (0.5f) : (WrapperStruct00.var_1_9))))) : (WrapperStruct00.var_1_8 == ((float) ((((WrapperStruct00.var_1_9) < (WrapperStruct00.var_1_10)) ? (WrapperStruct00.var_1_9) : (WrapperStruct00.var_1_10))))) [L122] EXPR WrapperStruct00.var_1_8 [L122] EXPR WrapperStruct00.var_1_9 [L122] EXPR WrapperStruct00.var_1_10 [L122] EXPR ((WrapperStruct00.var_1_9) < (WrapperStruct00.var_1_10)) ? (WrapperStruct00.var_1_9) : (WrapperStruct00.var_1_10) [L122] EXPR WrapperStruct00.var_1_9 [L122] EXPR ((WrapperStruct00.var_1_9) < (WrapperStruct00.var_1_10)) ? (WrapperStruct00.var_1_9) : (WrapperStruct00.var_1_10) [L122] EXPR (WrapperStruct00.var_1_7 >= WrapperStruct00.var_1_1) ? (WrapperStruct00.var_1_8 == ((float) ((((0.5f) < (WrapperStruct00.var_1_9)) ? (0.5f) : (WrapperStruct00.var_1_9))))) : (WrapperStruct00.var_1_8 == ((float) ((((WrapperStruct00.var_1_9) < (WrapperStruct00.var_1_10)) ? (WrapperStruct00.var_1_9) : (WrapperStruct00.var_1_10))))) [L122] EXPR (WrapperStruct00.var_1_12 ? ((WrapperStruct00.var_1_3 <= WrapperStruct00.var_1_4) ? (WrapperStruct00.var_1_1 == ((unsigned long int) (((((WrapperStruct00.var_1_3) > ((WrapperStruct00.var_1_4 + WrapperStruct00.var_1_5))) ? (WrapperStruct00.var_1_3) : ((WrapperStruct00.var_1_4 + WrapperStruct00.var_1_5)))) + (WrapperStruct00.var_1_6 - WrapperStruct00.var_1_7)))) : 1) : (WrapperStruct00.var_1_1 == ((unsigned long int) WrapperStruct00.var_1_7))) && ((WrapperStruct00.var_1_7 >= WrapperStruct00.var_1_1) ? (WrapperStruct00.var_1_8 == ((float) ((((0.5f) < (WrapperStruct00.var_1_9)) ? (0.5f) : (WrapperStruct00.var_1_9))))) : (WrapperStruct00.var_1_8 == ((float) ((((WrapperStruct00.var_1_9) < (WrapperStruct00.var_1_10)) ? (WrapperStruct00.var_1_9) : (WrapperStruct00.var_1_10)))))) [L122] EXPR ((WrapperStruct00.var_1_12 ? ((WrapperStruct00.var_1_3 <= WrapperStruct00.var_1_4) ? (WrapperStruct00.var_1_1 == ((unsigned long int) (((((WrapperStruct00.var_1_3) > ((WrapperStruct00.var_1_4 + WrapperStruct00.var_1_5))) ? (WrapperStruct00.var_1_3) : ((WrapperStruct00.var_1_4 + WrapperStruct00.var_1_5)))) + (WrapperStruct00.var_1_6 - WrapperStruct00.var_1_7)))) : 1) : (WrapperStruct00.var_1_1 == ((unsigned long int) WrapperStruct00.var_1_7))) && ((WrapperStruct00.var_1_7 >= WrapperStruct00.var_1_1) ? (WrapperStruct00.var_1_8 == ((float) ((((0.5f) < (WrapperStruct00.var_1_9)) ? (0.5f) : (WrapperStruct00.var_1_9))))) : (WrapperStruct00.var_1_8 == ((float) ((((WrapperStruct00.var_1_9) < (WrapperStruct00.var_1_10)) ? (WrapperStruct00.var_1_9) : (WrapperStruct00.var_1_10))))))) && ((WrapperStruct00.var_1_10 >= ((((((((128.175f) > (WrapperStruct00.var_1_9)) ? (128.175f) : (WrapperStruct00.var_1_9)))) < (WrapperStruct00.var_1_8)) ? (((((128.175f) > (WrapperStruct00.var_1_9)) ? (128.175f) : (WrapperStruct00.var_1_9)))) : (WrapperStruct00.var_1_8)))) ? (WrapperStruct00.var_1_11 == ((float) WrapperStruct00.var_1_10)) : ((! (WrapperStruct00.var_1_7 <= WrapperStruct00.var_1_6)) ? (WrapperStruct00.var_1_11 == ((float) WrapperStruct00.var_1_9)) : 1)) [L122] EXPR (((WrapperStruct00.var_1_12 ? ((WrapperStruct00.var_1_3 <= WrapperStruct00.var_1_4) ? (WrapperStruct00.var_1_1 == ((unsigned long int) (((((WrapperStruct00.var_1_3) > ((WrapperStruct00.var_1_4 + WrapperStruct00.var_1_5))) ? (WrapperStruct00.var_1_3) : ((WrapperStruct00.var_1_4 + WrapperStruct00.var_1_5)))) + (WrapperStruct00.var_1_6 - WrapperStruct00.var_1_7)))) : 1) : (WrapperStruct00.var_1_1 == ((unsigned long int) WrapperStruct00.var_1_7))) && ((WrapperStruct00.var_1_7 >= WrapperStruct00.var_1_1) ? (WrapperStruct00.var_1_8 == ((float) ((((0.5f) < (WrapperStruct00.var_1_9)) ? (0.5f) : (WrapperStruct00.var_1_9))))) : (WrapperStruct00.var_1_8 == ((float) ((((WrapperStruct00.var_1_9) < (WrapperStruct00.var_1_10)) ? (WrapperStruct00.var_1_9) : (WrapperStruct00.var_1_10))))))) && ((WrapperStruct00.var_1_10 >= ((((((((128.175f) > (WrapperStruct00.var_1_9)) ? (128.175f) : (WrapperStruct00.var_1_9)))) < (WrapperStruct00.var_1_8)) ? (((((128.175f) > (WrapperStruct00.var_1_9)) ? (128.175f) : (WrapperStruct00.var_1_9)))) : (WrapperStruct00.var_1_8)))) ? (WrapperStruct00.var_1_11 == ((float) WrapperStruct00.var_1_10)) : ((! (WrapperStruct00.var_1_7 <= WrapperStruct00.var_1_6)) ? (WrapperStruct00.var_1_11 == ((float) WrapperStruct00.var_1_9)) : 1))) && ((WrapperStruct00.var_1_9 != WrapperStruct00.var_1_10) ? ((WrapperStruct00.var_1_2 || WrapperStruct00.var_1_13) ? (WrapperStruct00.var_1_12 == ((unsigned char) (WrapperStruct00.var_1_13 || WrapperStruct00.var_1_14))) : (WrapperStruct00.var_1_12 == ((unsigned char) WrapperStruct00.var_1_14))) : (WrapperStruct00.var_1_12 == ((unsigned char) WrapperStruct00.var_1_14))) [L122-L123] return (((WrapperStruct00.var_1_12 ? ((WrapperStruct00.var_1_3 <= WrapperStruct00.var_1_4) ? (WrapperStruct00.var_1_1 == ((unsigned long int) (((((WrapperStruct00.var_1_3) > ((WrapperStruct00.var_1_4 + WrapperStruct00.var_1_5))) ? (WrapperStruct00.var_1_3) : ((WrapperStruct00.var_1_4 + WrapperStruct00.var_1_5)))) + (WrapperStruct00.var_1_6 - WrapperStruct00.var_1_7)))) : 1) : (WrapperStruct00.var_1_1 == ((unsigned long int) WrapperStruct00.var_1_7))) && ((WrapperStruct00.var_1_7 >= WrapperStruct00.var_1_1) ? (WrapperStruct00.var_1_8 == ((float) ((((0.5f) < (WrapperStruct00.var_1_9)) ? (0.5f) : (WrapperStruct00.var_1_9))))) : (WrapperStruct00.var_1_8 == ((float) ((((WrapperStruct00.var_1_9) < (WrapperStruct00.var_1_10)) ? (WrapperStruct00.var_1_9) : (WrapperStruct00.var_1_10))))))) && ((WrapperStruct00.var_1_10 >= ((((((((128.175f) > (WrapperStruct00.var_1_9)) ? (128.175f) : (WrapperStruct00.var_1_9)))) < (WrapperStruct00.var_1_8)) ? (((((128.175f) > (WrapperStruct00.var_1_9)) ? (128.175f) : (WrapperStruct00.var_1_9)))) : (WrapperStruct00.var_1_8)))) ? (WrapperStruct00.var_1_11 == ((float) WrapperStruct00.var_1_10)) : ((! (WrapperStruct00.var_1_7 <= WrapperStruct00.var_1_6)) ? (WrapperStruct00.var_1_11 == ((float) WrapperStruct00.var_1_9)) : 1))) && ((WrapperStruct00.var_1_9 != WrapperStruct00.var_1_10) ? ((WrapperStruct00.var_1_2 || WrapperStruct00.var_1_13) ? (WrapperStruct00.var_1_12 == ((unsigned char) (WrapperStruct00.var_1_13 || WrapperStruct00.var_1_14))) : (WrapperStruct00.var_1_12 == ((unsigned char) WrapperStruct00.var_1_14))) : (WrapperStruct00.var_1_12 == ((unsigned char) WrapperStruct00.var_1_14))) ; [L132] RET, EXPR property() [L132] 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, 45 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 4.7s, OverallIterations: 1, TraceHistogramMax: 18, 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=45occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 2.8s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 76 NumberOfCodeBlocks, 76 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 23:59:09,458 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_937488c3-120b-4877-9208-b4b0f5370c72/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_937488c3-120b-4877-9208-b4b0f5370c72/bin/utaipan-verify-SwPr7d2a91/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_937488c3-120b-4877-9208-b4b0f5370c72/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_937488c3-120b-4877-9208-b4b0f5370c72/bin/utaipan-verify-SwPr7d2a91/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_937488c3-120b-4877-9208-b4b0f5370c72/bin/utaipan-verify-SwPr7d2a91/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-25.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_937488c3-120b-4877-9208-b4b0f5370c72/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_937488c3-120b-4877-9208-b4b0f5370c72/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 7e44eca549ad63e100ff6b29db4a1cf439ea9f40f98c1b07aaed555a9a1c91f0 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 23:59:12,203 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:59:12,340 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_937488c3-120b-4877-9208-b4b0f5370c72/bin/utaipan-verify-SwPr7d2a91/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2023-11-24 23:59:12,353 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 23:59:12,353 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-24 23:59:12,405 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:59:12,406 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-24 23:59:12,407 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-24 23:59:12,408 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 23:59:12,413 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-24 23:59:12,413 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-24 23:59:12,414 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-24 23:59:12,414 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-24 23:59:12,416 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-24 23:59:12,417 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-24 23:59:12,417 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-24 23:59:12,418 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:59:12,419 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 23:59:12,419 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 23:59:12,419 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 23:59:12,420 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:59:12,420 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 23:59:12,421 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:59:12,421 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 23:59:12,422 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-24 23:59:12,422 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-24 23:59:12,422 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-24 23:59:12,423 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 23:59:12,424 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 23:59:12,424 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:59:12,425 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:59:12,426 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-24 23:59:12,426 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-24 23:59:12,426 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-24 23:59:12,427 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-24 23:59:12,427 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:59:12,427 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:59:12,427 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 23:59:12,428 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-24 23:59:12,429 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-24 23:59:12,429 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-24 23:59:12,429 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 23:59:12,430 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-24 23:59:12,430 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-24 23:59:12,431 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_937488c3-120b-4877-9208-b4b0f5370c72/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_937488c3-120b-4877-9208-b4b0f5370c72/bin/utaipan-verify-SwPr7d2a91 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7e44eca549ad63e100ff6b29db4a1cf439ea9f40f98c1b07aaed555a9a1c91f0 [2023-11-24 23:59:12,951 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:59:12,992 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:59:12,996 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:59:12,998 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:59:12,998 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:59:13,000 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_937488c3-120b-4877-9208-b4b0f5370c72/bin/utaipan-verify-SwPr7d2a91/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-25.i [2023-11-24 23:59:16,395 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:59:16,762 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:59:16,762 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_937488c3-120b-4877-9208-b4b0f5370c72/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-25.i [2023-11-24 23:59:16,771 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_937488c3-120b-4877-9208-b4b0f5370c72/bin/utaipan-verify-SwPr7d2a91/data/5f9930cb0/eeb2926b1d1e494fa3afecf21e3d1b3e/FLAG3e85b54c3 [2023-11-24 23:59:16,789 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_937488c3-120b-4877-9208-b4b0f5370c72/bin/utaipan-verify-SwPr7d2a91/data/5f9930cb0/eeb2926b1d1e494fa3afecf21e3d1b3e [2023-11-24 23:59:16,793 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:59:16,795 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:59:16,797 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:59:16,797 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:59:16,804 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:59:16,805 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:59:16" (1/1) ... [2023-11-24 23:59:16,806 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@433d2188 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:59:16, skipping insertion in model container [2023-11-24 23:59:16,807 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:59:16" (1/1) ... [2023-11-24 23:59:16,846 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:59:17,089 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_937488c3-120b-4877-9208-b4b0f5370c72/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-25.i[916,929] [2023-11-24 23:59:17,201 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:59:17,229 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 23:59:17,249 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_937488c3-120b-4877-9208-b4b0f5370c72/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-25.i[916,929] [2023-11-24 23:59:17,398 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:59:17,438 INFO L206 MainTranslator]: Completed translation [2023-11-24 23:59:17,439 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:59:17 WrapperNode [2023-11-24 23:59:17,439 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:59:17,441 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 23:59:17,441 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 23:59:17,442 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 23:59:17,452 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:59:17" (1/1) ... [2023-11-24 23:59:17,494 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:59:17" (1/1) ... [2023-11-24 23:59:17,576 INFO L138 Inliner]: procedures = 36, calls = 176, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 486 [2023-11-24 23:59:17,576 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 23:59:17,578 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 23:59:17,578 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 23:59:17,579 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 23:59:17,591 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:59:17" (1/1) ... [2023-11-24 23:59:17,591 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:59:17" (1/1) ... [2023-11-24 23:59:17,615 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:59:17" (1/1) ... [2023-11-24 23:59:17,628 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:59:17" (1/1) ... [2023-11-24 23:59:17,690 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:59:17" (1/1) ... [2023-11-24 23:59:17,705 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:59:17" (1/1) ... [2023-11-24 23:59:17,709 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:59:17" (1/1) ... [2023-11-24 23:59:17,723 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:59:17" (1/1) ... [2023-11-24 23:59:17,730 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 23:59:17,737 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 23:59:17,738 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 23:59:17,739 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 23:59:17,740 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:59:17" (1/1) ... [2023-11-24 23:59:17,748 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-24 23:59:17,764 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_937488c3-120b-4877-9208-b4b0f5370c72/bin/utaipan-verify-SwPr7d2a91/z3 [2023-11-24 23:59:17,786 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_937488c3-120b-4877-9208-b4b0f5370c72/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-24 23:59:17,800 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_937488c3-120b-4877-9208-b4b0f5370c72/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-24 23:59:17,847 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 23:59:17,847 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2023-11-24 23:59:17,847 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2023-11-24 23:59:17,848 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-24 23:59:17,848 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2023-11-24 23:59:17,849 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2023-11-24 23:59:17,849 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-24 23:59:17,851 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2023-11-24 23:59:17,852 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2023-11-24 23:59:17,852 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4 [2023-11-24 23:59:17,853 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-24 23:59:17,853 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-24 23:59:17,853 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 23:59:17,854 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 23:59:17,854 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2023-11-24 23:59:17,855 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2023-11-24 23:59:17,855 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-24 23:59:18,024 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 23:59:18,031 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 23:59:19,112 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 23:59:19,167 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 23:59:19,168 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-24 23:59:19,168 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:59:19 BoogieIcfgContainer [2023-11-24 23:59:19,169 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 23:59:19,171 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-24 23:59:19,171 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-24 23:59:19,175 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-24 23:59:19,176 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 11:59:16" (1/3) ... [2023-11-24 23:59:19,177 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@41efeb2f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 11:59:19, skipping insertion in model container [2023-11-24 23:59:19,177 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:59:17" (2/3) ... [2023-11-24 23:59:19,177 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@41efeb2f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 11:59:19, skipping insertion in model container [2023-11-24 23:59:19,178 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:59:19" (3/3) ... [2023-11-24 23:59:19,179 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-s_file-25.i [2023-11-24 23:59:19,202 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-24 23:59:19,202 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-24 23:59:19,265 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-24 23:59:19,293 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;@7ecdf0ff, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-24 23:59:19,294 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-24 23:59:19,300 INFO L276 IsEmpty]: Start isEmpty. Operand has 117 states, 96 states have (on average 1.4583333333333333) internal successors, (140), 97 states have internal predecessors, (140), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2023-11-24 23:59:19,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2023-11-24 23:59:19,321 INFO L187 NwaCegarLoop]: Found error trace [2023-11-24 23:59:19,322 INFO L195 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:59:19,323 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-24 23:59:19,330 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:59:19,331 INFO L85 PathProgramCache]: Analyzing trace with hash 1011491669, now seen corresponding path program 1 times [2023-11-24 23:59:19,350 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-24 23:59:19,351 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [973325920] [2023-11-24 23:59:19,351 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:59:19,351 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 23:59:19,352 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_937488c3-120b-4877-9208-b4b0f5370c72/bin/utaipan-verify-SwPr7d2a91/mathsat [2023-11-24 23:59:19,355 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_937488c3-120b-4877-9208-b4b0f5370c72/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 23:59:19,360 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_937488c3-120b-4877-9208-b4b0f5370c72/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 23:59:19,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:59:19,927 INFO L262 TraceCheckSpWp]: Trace formula consists of 272 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-24 23:59:19,940 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:59:19,995 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 298 proven. 0 refuted. 0 times theorem prover too weak. 314 trivial. 0 not checked. [2023-11-24 23:59:19,995 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-24 23:59:19,996 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-24 23:59:19,996 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [973325920] [2023-11-24 23:59:19,997 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [973325920] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-24 23:59:19,997 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-24 23:59:19,998 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-24 23:59:20,000 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [355300377] [2023-11-24 23:59:20,000 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-24 23:59:20,006 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-24 23:59:20,006 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-24 23:59:20,058 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-24 23:59:20,059 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-24 23:59:20,064 INFO L87 Difference]: Start difference. First operand has 117 states, 96 states have (on average 1.4583333333333333) internal successors, (140), 97 states have internal predecessors, (140), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) Second operand has 2 states, 2 states have (on average 28.0) internal successors, (56), 2 states have internal predecessors, (56), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2023-11-24 23:59:20,170 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-24 23:59:20,170 INFO L93 Difference]: Finished difference Result 231 states and 368 transitions. [2023-11-24 23:59:20,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-24 23:59:20,174 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 28.0) internal successors, (56), 2 states have internal predecessors, (56), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 139 [2023-11-24 23:59:20,174 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-24 23:59:20,184 INFO L225 Difference]: With dead ends: 231 [2023-11-24 23:59:20,184 INFO L226 Difference]: Without dead ends: 115 [2023-11-24 23:59:20,189 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 138 GetRequests, 138 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-24 23:59:20,194 INFO L413 NwaCegarLoop]: 167 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 167 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-24 23:59:20,195 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 167 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-24 23:59:20,218 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2023-11-24 23:59:20,262 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 115. [2023-11-24 23:59:20,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 115 states, 95 states have (on average 1.4210526315789473) internal successors, (135), 95 states have internal predecessors, (135), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2023-11-24 23:59:20,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 171 transitions. [2023-11-24 23:59:20,269 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 171 transitions. Word has length 139 [2023-11-24 23:59:20,269 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-24 23:59:20,270 INFO L495 AbstractCegarLoop]: Abstraction has 115 states and 171 transitions. [2023-11-24 23:59:20,270 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 28.0) internal successors, (56), 2 states have internal predecessors, (56), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2023-11-24 23:59:20,270 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 171 transitions. [2023-11-24 23:59:20,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2023-11-24 23:59:20,276 INFO L187 NwaCegarLoop]: Found error trace [2023-11-24 23:59:20,276 INFO L195 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:59:20,286 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_937488c3-120b-4877-9208-b4b0f5370c72/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 23:59:20,486 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_937488c3-120b-4877-9208-b4b0f5370c72/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 23:59:20,486 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-24 23:59:20,487 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:59:20,487 INFO L85 PathProgramCache]: Analyzing trace with hash -2109602891, now seen corresponding path program 1 times [2023-11-24 23:59:20,489 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-24 23:59:20,489 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [255191275] [2023-11-24 23:59:20,489 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:59:20,490 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 23:59:20,490 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_937488c3-120b-4877-9208-b4b0f5370c72/bin/utaipan-verify-SwPr7d2a91/mathsat [2023-11-24 23:59:20,497 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_937488c3-120b-4877-9208-b4b0f5370c72/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 23:59:20,499 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_937488c3-120b-4877-9208-b4b0f5370c72/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 23:59:21,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:59:21,087 INFO L262 TraceCheckSpWp]: Trace formula consists of 272 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-24 23:59:21,101 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:59:21,497 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 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 44 treesize of output 31 [2023-11-24 23:59:21,608 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-24 23:59:21,611 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 50 treesize of output 20 [2023-11-24 23:59:21,721 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 116 proven. 0 refuted. 0 times theorem prover too weak. 496 trivial. 0 not checked. [2023-11-24 23:59:21,721 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-24 23:59:21,721 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-24 23:59:21,722 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [255191275] [2023-11-24 23:59:21,722 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [255191275] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-24 23:59:21,722 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-24 23:59:21,722 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-11-24 23:59:21,723 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [535191107] [2023-11-24 23:59:21,723 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-24 23:59:21,725 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-11-24 23:59:21,725 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-24 23:59:21,726 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-11-24 23:59:21,727 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2023-11-24 23:59:21,727 INFO L87 Difference]: Start difference. First operand 115 states and 171 transitions. Second operand has 12 states, 10 states have (on average 5.8) internal successors, (58), 11 states have internal predecessors, (58), 3 states have call successors, (18), 2 states have call predecessors, (18), 3 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2023-11-24 23:59:25,643 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-24 23:59:25,643 INFO L93 Difference]: Finished difference Result 346 states and 506 transitions. [2023-11-24 23:59:25,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2023-11-24 23:59:25,647 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 10 states have (on average 5.8) internal successors, (58), 11 states have internal predecessors, (58), 3 states have call successors, (18), 2 states have call predecessors, (18), 3 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) Word has length 139 [2023-11-24 23:59:25,648 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-24 23:59:25,652 INFO L225 Difference]: With dead ends: 346 [2023-11-24 23:59:25,652 INFO L226 Difference]: Without dead ends: 232 [2023-11-24 23:59:25,654 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 149 GetRequests, 128 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 78 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=112, Invalid=394, Unknown=0, NotChecked=0, Total=506 [2023-11-24 23:59:25,656 INFO L413 NwaCegarLoop]: 64 mSDtfsCounter, 374 mSDsluCounter, 390 mSDsCounter, 0 mSdLazyCounter, 1068 mSolverCounterSat, 96 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 408 SdHoareTripleChecker+Valid, 454 SdHoareTripleChecker+Invalid, 1164 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 96 IncrementalHoareTripleChecker+Valid, 1068 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.3s IncrementalHoareTripleChecker+Time [2023-11-24 23:59:25,657 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [408 Valid, 454 Invalid, 1164 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [96 Valid, 1068 Invalid, 0 Unknown, 0 Unchecked, 3.3s Time] [2023-11-24 23:59:25,659 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 232 states. [2023-11-24 23:59:25,718 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 232 to 125. [2023-11-24 23:59:25,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 125 states, 103 states have (on average 1.3883495145631068) internal successors, (143), 103 states have internal predecessors, (143), 18 states have call successors, (18), 3 states have call predecessors, (18), 3 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2023-11-24 23:59:25,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 125 states and 179 transitions. [2023-11-24 23:59:25,726 INFO L78 Accepts]: Start accepts. Automaton has 125 states and 179 transitions. Word has length 139 [2023-11-24 23:59:25,730 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-24 23:59:25,730 INFO L495 AbstractCegarLoop]: Abstraction has 125 states and 179 transitions. [2023-11-24 23:59:25,731 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 10 states have (on average 5.8) internal successors, (58), 11 states have internal predecessors, (58), 3 states have call successors, (18), 2 states have call predecessors, (18), 3 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2023-11-24 23:59:25,731 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 179 transitions. [2023-11-24 23:59:25,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2023-11-24 23:59:25,743 INFO L187 NwaCegarLoop]: Found error trace [2023-11-24 23:59:25,743 INFO L195 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:59:25,759 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_937488c3-120b-4877-9208-b4b0f5370c72/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 23:59:25,954 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_937488c3-120b-4877-9208-b4b0f5370c72/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 23:59:25,954 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-24 23:59:25,955 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:59:25,955 INFO L85 PathProgramCache]: Analyzing trace with hash 1900187282, now seen corresponding path program 1 times [2023-11-24 23:59:25,956 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-24 23:59:25,956 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1851586301] [2023-11-24 23:59:25,957 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:59:25,957 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 23:59:25,957 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_937488c3-120b-4877-9208-b4b0f5370c72/bin/utaipan-verify-SwPr7d2a91/mathsat [2023-11-24 23:59:25,959 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_937488c3-120b-4877-9208-b4b0f5370c72/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 23:59:25,965 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_937488c3-120b-4877-9208-b4b0f5370c72/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 23:59:26,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:59:26,495 INFO L262 TraceCheckSpWp]: Trace formula consists of 271 conjuncts, 17 conjunts are in the unsatisfiable core [2023-11-24 23:59:26,529 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:59:26,822 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 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 44 treesize of output 31 [2023-11-24 23:59:27,041 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-24 23:59:27,041 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 59 treesize of output 34 [2023-11-24 23:59:27,149 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-24 23:59:27,150 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 59 treesize of output 34 [2023-11-24 23:59:27,191 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-24 23:59:27,191 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 50 treesize of output 20 [2023-11-24 23:59:27,257 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 116 proven. 0 refuted. 0 times theorem prover too weak. 496 trivial. 0 not checked. [2023-11-24 23:59:27,258 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-24 23:59:27,258 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-24 23:59:27,259 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1851586301] [2023-11-24 23:59:27,259 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1851586301] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-24 23:59:27,259 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-24 23:59:27,259 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-11-24 23:59:27,260 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1376822898] [2023-11-24 23:59:27,260 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-24 23:59:27,262 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-11-24 23:59:27,263 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-24 23:59:27,264 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-11-24 23:59:27,266 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2023-11-24 23:59:27,266 INFO L87 Difference]: Start difference. First operand 125 states and 179 transitions. Second operand has 12 states, 10 states have (on average 5.9) internal successors, (59), 11 states have internal predecessors, (59), 3 states have call successors, (18), 2 states have call predecessors, (18), 3 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2023-11-24 23:59:29,988 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-24 23:59:29,988 INFO L93 Difference]: Finished difference Result 356 states and 513 transitions. [2023-11-24 23:59:29,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2023-11-24 23:59:29,990 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 10 states have (on average 5.9) internal successors, (59), 11 states have internal predecessors, (59), 3 states have call successors, (18), 2 states have call predecessors, (18), 3 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) Word has length 140 [2023-11-24 23:59:29,991 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-24 23:59:29,993 INFO L225 Difference]: With dead ends: 356 [2023-11-24 23:59:29,993 INFO L226 Difference]: Without dead ends: 232 [2023-11-24 23:59:29,995 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 150 GetRequests, 129 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 78 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=112, Invalid=394, Unknown=0, NotChecked=0, Total=506 [2023-11-24 23:59:29,996 INFO L413 NwaCegarLoop]: 64 mSDtfsCounter, 307 mSDsluCounter, 347 mSDsCounter, 0 mSdLazyCounter, 947 mSolverCounterSat, 46 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 341 SdHoareTripleChecker+Valid, 411 SdHoareTripleChecker+Invalid, 993 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 46 IncrementalHoareTripleChecker+Valid, 947 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2023-11-24 23:59:29,997 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [341 Valid, 411 Invalid, 993 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [46 Valid, 947 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2023-11-24 23:59:29,998 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 232 states. [2023-11-24 23:59:30,018 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 232 to 144. [2023-11-24 23:59:30,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 144 states, 122 states have (on average 1.4098360655737705) internal successors, (172), 122 states have internal predecessors, (172), 18 states have call successors, (18), 3 states have call predecessors, (18), 3 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2023-11-24 23:59:30,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 144 states and 208 transitions. [2023-11-24 23:59:30,020 INFO L78 Accepts]: Start accepts. Automaton has 144 states and 208 transitions. Word has length 140 [2023-11-24 23:59:30,021 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-24 23:59:30,021 INFO L495 AbstractCegarLoop]: Abstraction has 144 states and 208 transitions. [2023-11-24 23:59:30,022 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 10 states have (on average 5.9) internal successors, (59), 11 states have internal predecessors, (59), 3 states have call successors, (18), 2 states have call predecessors, (18), 3 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2023-11-24 23:59:30,022 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 208 transitions. [2023-11-24 23:59:30,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2023-11-24 23:59:30,024 INFO L187 NwaCegarLoop]: Found error trace [2023-11-24 23:59:30,024 INFO L195 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:59:30,036 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_937488c3-120b-4877-9208-b4b0f5370c72/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 23:59:30,233 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_937488c3-120b-4877-9208-b4b0f5370c72/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 23:59:30,233 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-24 23:59:30,233 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:59:30,234 INFO L85 PathProgramCache]: Analyzing trace with hash -14158912, now seen corresponding path program 1 times [2023-11-24 23:59:30,234 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-24 23:59:30,235 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1745613370] [2023-11-24 23:59:30,235 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:59:30,235 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 23:59:30,235 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_937488c3-120b-4877-9208-b4b0f5370c72/bin/utaipan-verify-SwPr7d2a91/mathsat [2023-11-24 23:59:30,236 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_937488c3-120b-4877-9208-b4b0f5370c72/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 23:59:30,242 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_937488c3-120b-4877-9208-b4b0f5370c72/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 23:59:30,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:59:30,658 INFO L262 TraceCheckSpWp]: Trace formula consists of 273 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-24 23:59:30,663 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:59:30,694 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2023-11-24 23:59:30,694 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-24 23:59:30,695 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-24 23:59:30,695 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1745613370] [2023-11-24 23:59:30,695 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1745613370] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-24 23:59:30,695 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-24 23:59:30,695 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-24 23:59:30,696 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1075099692] [2023-11-24 23:59:30,696 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-24 23:59:30,696 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-24 23:59:30,697 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-24 23:59:30,697 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-24 23:59:30,698 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-24 23:59:30,698 INFO L87 Difference]: Start difference. First operand 144 states and 208 transitions. Second operand has 5 states, 5 states have (on average 11.0) internal successors, (55), 5 states have internal predecessors, (55), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2023-11-24 23:59:30,790 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-24 23:59:30,791 INFO L93 Difference]: Finished difference Result 317 states and 460 transitions. [2023-11-24 23:59:30,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-24 23:59:30,792 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.0) internal successors, (55), 5 states have internal predecessors, (55), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) Word has length 142 [2023-11-24 23:59:30,793 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-24 23:59:30,795 INFO L225 Difference]: With dead ends: 317 [2023-11-24 23:59:30,795 INFO L226 Difference]: Without dead ends: 174 [2023-11-24 23:59:30,797 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 143 GetRequests, 138 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2023-11-24 23:59:30,802 INFO L413 NwaCegarLoop]: 195 mSDtfsCounter, 102 mSDsluCounter, 508 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 102 SdHoareTripleChecker+Valid, 703 SdHoareTripleChecker+Invalid, 38 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-24 23:59:30,803 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [102 Valid, 703 Invalid, 38 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-24 23:59:30,807 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 174 states. [2023-11-24 23:59:30,837 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 174 to 147. [2023-11-24 23:59:30,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 147 states, 125 states have (on average 1.4) internal successors, (175), 125 states have internal predecessors, (175), 18 states have call successors, (18), 3 states have call predecessors, (18), 3 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2023-11-24 23:59:30,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 147 states and 211 transitions. [2023-11-24 23:59:30,841 INFO L78 Accepts]: Start accepts. Automaton has 147 states and 211 transitions. Word has length 142 [2023-11-24 23:59:30,843 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-24 23:59:30,843 INFO L495 AbstractCegarLoop]: Abstraction has 147 states and 211 transitions. [2023-11-24 23:59:30,844 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.0) internal successors, (55), 5 states have internal predecessors, (55), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2023-11-24 23:59:30,844 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 211 transitions. [2023-11-24 23:59:30,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2023-11-24 23:59:30,847 INFO L187 NwaCegarLoop]: Found error trace [2023-11-24 23:59:30,847 INFO L195 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:59:30,861 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_937488c3-120b-4877-9208-b4b0f5370c72/bin/utaipan-verify-SwPr7d2a91/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2023-11-24 23:59:31,055 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_937488c3-120b-4877-9208-b4b0f5370c72/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 23:59:31,055 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-24 23:59:31,056 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:59:31,056 INFO L85 PathProgramCache]: Analyzing trace with hash 772072394, now seen corresponding path program 1 times [2023-11-24 23:59:31,057 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-24 23:59:31,057 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [882738748] [2023-11-24 23:59:31,057 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:59:31,057 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 23:59:31,058 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_937488c3-120b-4877-9208-b4b0f5370c72/bin/utaipan-verify-SwPr7d2a91/mathsat [2023-11-24 23:59:31,059 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_937488c3-120b-4877-9208-b4b0f5370c72/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 23:59:31,061 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_937488c3-120b-4877-9208-b4b0f5370c72/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 23:59:31,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:59:31,455 INFO L262 TraceCheckSpWp]: Trace formula consists of 279 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-24 23:59:31,460 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:59:31,486 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2023-11-24 23:59:31,510 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 21 treesize of output 9 [2023-11-24 23:59:31,525 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2023-11-24 23:59:31,525 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-24 23:59:31,526 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-24 23:59:31,526 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [882738748] [2023-11-24 23:59:31,526 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [882738748] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-24 23:59:31,531 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-24 23:59:31,531 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-24 23:59:31,532 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1126228127] [2023-11-24 23:59:31,532 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-24 23:59:31,533 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-24 23:59:31,533 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-24 23:59:31,535 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-24 23:59:31,535 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-24 23:59:31,535 INFO L87 Difference]: Start difference. First operand 147 states and 211 transitions. Second operand has 5 states, 5 states have (on average 11.2) internal successors, (56), 5 states have internal predecessors, (56), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2023-11-24 23:59:32,670 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-24 23:59:32,670 INFO L93 Difference]: Finished difference Result 420 states and 602 transitions. [2023-11-24 23:59:32,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-24 23:59:32,671 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.2) internal successors, (56), 5 states have internal predecessors, (56), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) Word has length 143 [2023-11-24 23:59:32,672 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-24 23:59:32,675 INFO L225 Difference]: With dead ends: 420 [2023-11-24 23:59:32,675 INFO L226 Difference]: Without dead ends: 274 [2023-11-24 23:59:32,676 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 144 GetRequests, 139 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2023-11-24 23:59:32,677 INFO L413 NwaCegarLoop]: 170 mSDtfsCounter, 151 mSDsluCounter, 418 mSDsCounter, 0 mSdLazyCounter, 351 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 151 SdHoareTripleChecker+Valid, 588 SdHoareTripleChecker+Invalid, 367 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 351 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2023-11-24 23:59:32,678 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [151 Valid, 588 Invalid, 367 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 351 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2023-11-24 23:59:32,679 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 274 states. [2023-11-24 23:59:32,697 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 274 to 150. [2023-11-24 23:59:32,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 150 states, 128 states have (on average 1.390625) internal successors, (178), 128 states have internal predecessors, (178), 18 states have call successors, (18), 3 states have call predecessors, (18), 3 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2023-11-24 23:59:32,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 150 states and 214 transitions. [2023-11-24 23:59:32,700 INFO L78 Accepts]: Start accepts. Automaton has 150 states and 214 transitions. Word has length 143 [2023-11-24 23:59:32,700 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-24 23:59:32,701 INFO L495 AbstractCegarLoop]: Abstraction has 150 states and 214 transitions. [2023-11-24 23:59:32,701 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.2) internal successors, (56), 5 states have internal predecessors, (56), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2023-11-24 23:59:32,701 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 214 transitions. [2023-11-24 23:59:32,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2023-11-24 23:59:32,703 INFO L187 NwaCegarLoop]: Found error trace [2023-11-24 23:59:32,703 INFO L195 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:59:32,722 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_937488c3-120b-4877-9208-b4b0f5370c72/bin/utaipan-verify-SwPr7d2a91/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2023-11-24 23:59:32,912 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_937488c3-120b-4877-9208-b4b0f5370c72/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 23:59:32,913 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-24 23:59:32,914 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:59:32,914 INFO L85 PathProgramCache]: Analyzing trace with hash 638058888, now seen corresponding path program 1 times [2023-11-24 23:59:32,914 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-24 23:59:32,915 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1914036794] [2023-11-24 23:59:32,915 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:59:32,915 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 23:59:32,915 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_937488c3-120b-4877-9208-b4b0f5370c72/bin/utaipan-verify-SwPr7d2a91/mathsat [2023-11-24 23:59:32,916 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_937488c3-120b-4877-9208-b4b0f5370c72/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 23:59:32,932 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_937488c3-120b-4877-9208-b4b0f5370c72/bin/utaipan-verify-SwPr7d2a91/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2023-11-24 23:59:33,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:59:33,274 INFO L262 TraceCheckSpWp]: Trace formula consists of 281 conjuncts, 14 conjunts are in the unsatisfiable core [2023-11-24 23:59:33,283 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:59:33,662 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 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 37 treesize of output 30 [2023-11-24 23:59:33,734 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-24 23:59:33,735 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 43 treesize of output 19 [2023-11-24 23:59:33,767 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 116 proven. 0 refuted. 0 times theorem prover too weak. 496 trivial. 0 not checked. [2023-11-24 23:59:33,767 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-24 23:59:33,767 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-24 23:59:33,767 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1914036794] [2023-11-24 23:59:33,767 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1914036794] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-24 23:59:33,768 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-24 23:59:33,768 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2023-11-24 23:59:33,768 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [213019281] [2023-11-24 23:59:33,768 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-24 23:59:33,769 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-11-24 23:59:33,769 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-24 23:59:33,770 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-11-24 23:59:33,770 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2023-11-24 23:59:33,770 INFO L87 Difference]: Start difference. First operand 150 states and 214 transitions. Second operand has 13 states, 11 states have (on average 5.636363636363637) internal successors, (62), 12 states have internal predecessors, (62), 3 states have call successors, (18), 2 states have call predecessors, (18), 3 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2023-11-24 23:59:36,191 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-24 23:59:36,191 INFO L93 Difference]: Finished difference Result 301 states and 429 transitions. [2023-11-24 23:59:36,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-11-24 23:59:36,193 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 11 states have (on average 5.636363636363637) internal successors, (62), 12 states have internal predecessors, (62), 3 states have call successors, (18), 2 states have call predecessors, (18), 3 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) Word has length 143 [2023-11-24 23:59:36,193 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-24 23:59:36,195 INFO L225 Difference]: With dead ends: 301 [2023-11-24 23:59:36,195 INFO L226 Difference]: Without dead ends: 152 [2023-11-24 23:59:36,196 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 150 GetRequests, 131 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=87, Invalid=333, Unknown=0, NotChecked=0, Total=420 [2023-11-24 23:59:36,197 INFO L413 NwaCegarLoop]: 64 mSDtfsCounter, 240 mSDsluCounter, 345 mSDsCounter, 0 mSdLazyCounter, 954 mSolverCounterSat, 83 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 258 SdHoareTripleChecker+Valid, 409 SdHoareTripleChecker+Invalid, 1037 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 83 IncrementalHoareTripleChecker+Valid, 954 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2023-11-24 23:59:36,198 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [258 Valid, 409 Invalid, 1037 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [83 Valid, 954 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2023-11-24 23:59:36,199 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 152 states. [2023-11-24 23:59:36,213 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 152 to 147. [2023-11-24 23:59:36,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 147 states, 125 states have (on average 1.392) internal successors, (174), 125 states have internal predecessors, (174), 18 states have call successors, (18), 3 states have call predecessors, (18), 3 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2023-11-24 23:59:36,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 147 states and 210 transitions. [2023-11-24 23:59:36,216 INFO L78 Accepts]: Start accepts. Automaton has 147 states and 210 transitions. Word has length 143 [2023-11-24 23:59:36,216 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-24 23:59:36,217 INFO L495 AbstractCegarLoop]: Abstraction has 147 states and 210 transitions. [2023-11-24 23:59:36,217 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 11 states have (on average 5.636363636363637) internal successors, (62), 12 states have internal predecessors, (62), 3 states have call successors, (18), 2 states have call predecessors, (18), 3 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2023-11-24 23:59:36,217 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 210 transitions. [2023-11-24 23:59:36,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2023-11-24 23:59:36,220 INFO L187 NwaCegarLoop]: Found error trace [2023-11-24 23:59:36,220 INFO L195 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:59:36,230 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_937488c3-120b-4877-9208-b4b0f5370c72/bin/utaipan-verify-SwPr7d2a91/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Ended with exit code 0 [2023-11-24 23:59:36,430 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_937488c3-120b-4877-9208-b4b0f5370c72/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 23:59:36,430 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-24 23:59:36,431 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:59:36,431 INFO L85 PathProgramCache]: Analyzing trace with hash 1037807901, now seen corresponding path program 1 times [2023-11-24 23:59:36,431 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-24 23:59:36,432 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [414697868] [2023-11-24 23:59:36,432 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:59:36,432 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 23:59:36,432 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_937488c3-120b-4877-9208-b4b0f5370c72/bin/utaipan-verify-SwPr7d2a91/mathsat [2023-11-24 23:59:36,433 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_937488c3-120b-4877-9208-b4b0f5370c72/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 23:59:36,436 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_937488c3-120b-4877-9208-b4b0f5370c72/bin/utaipan-verify-SwPr7d2a91/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2023-11-24 23:59:36,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:59:36,939 INFO L262 TraceCheckSpWp]: Trace formula consists of 278 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-24 23:59:36,946 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:59:36,971 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2023-11-24 23:59:37,020 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 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 30 treesize of output 14 [2023-11-24 23:59:37,064 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 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 30 treesize of output 14 [2023-11-24 23:59:37,074 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 21 treesize of output 9 [2023-11-24 23:59:37,088 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2023-11-24 23:59:37,088 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-24 23:59:37,089 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-24 23:59:37,089 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [414697868] [2023-11-24 23:59:37,089 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [414697868] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-24 23:59:37,089 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-24 23:59:37,090 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-24 23:59:37,090 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [394641954] [2023-11-24 23:59:37,090 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-24 23:59:37,091 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-24 23:59:37,091 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-24 23:59:37,092 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-24 23:59:37,092 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-24 23:59:37,092 INFO L87 Difference]: Start difference. First operand 147 states and 210 transitions. Second operand has 5 states, 5 states have (on average 11.4) internal successors, (57), 5 states have internal predecessors, (57), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2023-11-24 23:59:38,204 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-24 23:59:38,204 INFO L93 Difference]: Finished difference Result 420 states and 599 transitions. [2023-11-24 23:59:38,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-24 23:59:38,205 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.4) internal successors, (57), 5 states have internal predecessors, (57), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) Word has length 144 [2023-11-24 23:59:38,206 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-24 23:59:38,208 INFO L225 Difference]: With dead ends: 420 [2023-11-24 23:59:38,208 INFO L226 Difference]: Without dead ends: 274 [2023-11-24 23:59:38,209 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 145 GetRequests, 140 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2023-11-24 23:59:38,209 INFO L413 NwaCegarLoop]: 169 mSDtfsCounter, 190 mSDsluCounter, 394 mSDsCounter, 0 mSdLazyCounter, 319 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 190 SdHoareTripleChecker+Valid, 563 SdHoareTripleChecker+Invalid, 333 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 319 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2023-11-24 23:59:38,210 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [190 Valid, 563 Invalid, 333 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 319 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2023-11-24 23:59:38,211 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 274 states. [2023-11-24 23:59:38,226 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 274 to 148. [2023-11-24 23:59:38,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 148 states, 126 states have (on average 1.3888888888888888) internal successors, (175), 126 states have internal predecessors, (175), 18 states have call successors, (18), 3 states have call predecessors, (18), 3 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2023-11-24 23:59:38,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 148 states and 211 transitions. [2023-11-24 23:59:38,228 INFO L78 Accepts]: Start accepts. Automaton has 148 states and 211 transitions. Word has length 144 [2023-11-24 23:59:38,229 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-24 23:59:38,229 INFO L495 AbstractCegarLoop]: Abstraction has 148 states and 211 transitions. [2023-11-24 23:59:38,229 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.4) internal successors, (57), 5 states have internal predecessors, (57), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2023-11-24 23:59:38,229 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 211 transitions. [2023-11-24 23:59:38,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2023-11-24 23:59:38,231 INFO L187 NwaCegarLoop]: Found error trace [2023-11-24 23:59:38,232 INFO L195 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:59:38,244 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_937488c3-120b-4877-9208-b4b0f5370c72/bin/utaipan-verify-SwPr7d2a91/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Ended with exit code 0 [2023-11-24 23:59:38,440 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_937488c3-120b-4877-9208-b4b0f5370c72/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 23:59:38,440 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-24 23:59:38,441 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:59:38,441 INFO L85 PathProgramCache]: Analyzing trace with hash 1178356511, now seen corresponding path program 1 times [2023-11-24 23:59:38,441 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-24 23:59:38,441 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1023928794] [2023-11-24 23:59:38,441 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:59:38,442 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 23:59:38,442 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_937488c3-120b-4877-9208-b4b0f5370c72/bin/utaipan-verify-SwPr7d2a91/mathsat [2023-11-24 23:59:38,443 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_937488c3-120b-4877-9208-b4b0f5370c72/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 23:59:38,452 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_937488c3-120b-4877-9208-b4b0f5370c72/bin/utaipan-verify-SwPr7d2a91/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2023-11-24 23:59:38,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:59:38,873 INFO L262 TraceCheckSpWp]: Trace formula consists of 280 conjuncts, 18 conjunts are in the unsatisfiable core [2023-11-24 23:59:38,879 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:59:39,175 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 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 37 treesize of output 30 [2023-11-24 23:59:39,318 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-24 23:59:39,319 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 52 treesize of output 33 [2023-11-24 23:59:39,389 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-24 23:59:39,389 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 52 treesize of output 33 [2023-11-24 23:59:39,411 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-24 23:59:39,411 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 43 treesize of output 19 [2023-11-24 23:59:39,457 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 116 proven. 0 refuted. 0 times theorem prover too weak. 496 trivial. 0 not checked. [2023-11-24 23:59:39,457 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-24 23:59:39,457 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-24 23:59:39,458 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1023928794] [2023-11-24 23:59:39,458 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1023928794] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-24 23:59:39,458 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-24 23:59:39,458 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2023-11-24 23:59:39,458 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [8324212] [2023-11-24 23:59:39,458 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-24 23:59:39,459 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-11-24 23:59:39,459 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-24 23:59:39,459 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-11-24 23:59:39,460 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2023-11-24 23:59:39,460 INFO L87 Difference]: Start difference. First operand 148 states and 211 transitions. Second operand has 13 states, 11 states have (on average 5.7272727272727275) internal successors, (63), 12 states have internal predecessors, (63), 3 states have call successors, (18), 2 states have call predecessors, (18), 3 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2023-11-24 23:59:41,241 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-24 23:59:41,241 INFO L93 Difference]: Finished difference Result 297 states and 423 transitions. [2023-11-24 23:59:41,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-11-24 23:59:41,243 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 11 states have (on average 5.7272727272727275) internal successors, (63), 12 states have internal predecessors, (63), 3 states have call successors, (18), 2 states have call predecessors, (18), 3 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) Word has length 144 [2023-11-24 23:59:41,243 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-24 23:59:41,245 INFO L225 Difference]: With dead ends: 297 [2023-11-24 23:59:41,245 INFO L226 Difference]: Without dead ends: 150 [2023-11-24 23:59:41,246 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 151 GetRequests, 132 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=87, Invalid=333, Unknown=0, NotChecked=0, Total=420 [2023-11-24 23:59:41,247 INFO L413 NwaCegarLoop]: 64 mSDtfsCounter, 179 mSDsluCounter, 323 mSDsCounter, 0 mSdLazyCounter, 906 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 197 SdHoareTripleChecker+Valid, 387 SdHoareTripleChecker+Invalid, 930 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 906 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2023-11-24 23:59:41,247 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [197 Valid, 387 Invalid, 930 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 906 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2023-11-24 23:59:41,249 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 150 states. [2023-11-24 23:59:41,262 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 150 to 126. [2023-11-24 23:59:41,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 126 states, 104 states have (on average 1.3653846153846154) internal successors, (142), 104 states have internal predecessors, (142), 18 states have call successors, (18), 3 states have call predecessors, (18), 3 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2023-11-24 23:59:41,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 126 states and 178 transitions. [2023-11-24 23:59:41,264 INFO L78 Accepts]: Start accepts. Automaton has 126 states and 178 transitions. Word has length 144 [2023-11-24 23:59:41,264 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-24 23:59:41,264 INFO L495 AbstractCegarLoop]: Abstraction has 126 states and 178 transitions. [2023-11-24 23:59:41,265 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 11 states have (on average 5.7272727272727275) internal successors, (63), 12 states have internal predecessors, (63), 3 states have call successors, (18), 2 states have call predecessors, (18), 3 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2023-11-24 23:59:41,265 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 178 transitions. [2023-11-24 23:59:41,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2023-11-24 23:59:41,267 INFO L187 NwaCegarLoop]: Found error trace [2023-11-24 23:59:41,267 INFO L195 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:59:41,284 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_937488c3-120b-4877-9208-b4b0f5370c72/bin/utaipan-verify-SwPr7d2a91/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2023-11-24 23:59:41,472 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_937488c3-120b-4877-9208-b4b0f5370c72/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 23:59:41,472 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-24 23:59:41,473 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:59:41,473 INFO L85 PathProgramCache]: Analyzing trace with hash 1517375579, now seen corresponding path program 1 times [2023-11-24 23:59:41,473 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-24 23:59:41,473 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1090826199] [2023-11-24 23:59:41,473 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:59:41,474 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 23:59:41,474 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_937488c3-120b-4877-9208-b4b0f5370c72/bin/utaipan-verify-SwPr7d2a91/mathsat [2023-11-24 23:59:41,475 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_937488c3-120b-4877-9208-b4b0f5370c72/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 23:59:41,476 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_937488c3-120b-4877-9208-b4b0f5370c72/bin/utaipan-verify-SwPr7d2a91/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2023-11-24 23:59:41,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:59:41,901 INFO L262 TraceCheckSpWp]: Trace formula consists of 282 conjuncts, 19 conjunts are in the unsatisfiable core [2023-11-24 23:59:41,923 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:59:42,068 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2023-11-24 23:59:42,460 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 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 80 treesize of output 34 [2023-11-24 23:59:42,623 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 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 80 treesize of output 34 [2023-11-24 23:59:42,846 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 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 75 treesize of output 44 [2023-11-24 23:59:43,242 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-24 23:59:43,242 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 90 treesize of output 47 [2023-11-24 23:59:43,377 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-24 23:59:43,378 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 98 treesize of output 38 [2023-11-24 23:59:43,458 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 320 proven. 0 refuted. 0 times theorem prover too weak. 292 trivial. 0 not checked. [2023-11-24 23:59:43,458 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-24 23:59:43,459 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-24 23:59:43,459 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1090826199] [2023-11-24 23:59:43,459 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1090826199] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-24 23:59:43,459 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-24 23:59:43,459 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-24 23:59:43,469 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2033529640] [2023-11-24 23:59:43,469 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-24 23:59:43,470 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-24 23:59:43,470 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-24 23:59:43,470 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-24 23:59:43,471 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2023-11-24 23:59:43,471 INFO L87 Difference]: Start difference. First operand 126 states and 178 transitions. Second operand has 9 states, 9 states have (on average 7.0) internal successors, (63), 8 states have internal predecessors, (63), 3 states have call successors, (18), 3 states have call predecessors, (18), 3 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2023-11-24 23:59:47,167 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-24 23:59:47,167 INFO L93 Difference]: Finished difference Result 381 states and 536 transitions. [2023-11-24 23:59:47,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-11-24 23:59:47,168 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 7.0) internal successors, (63), 8 states have internal predecessors, (63), 3 states have call successors, (18), 3 states have call predecessors, (18), 3 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) Word has length 144 [2023-11-24 23:59:47,168 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-24 23:59:47,170 INFO L225 Difference]: With dead ends: 381 [2023-11-24 23:59:47,171 INFO L226 Difference]: Without dead ends: 256 [2023-11-24 23:59:47,171 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 146 GetRequests, 136 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2023-11-24 23:59:47,172 INFO L413 NwaCegarLoop]: 118 mSDtfsCounter, 258 mSDsluCounter, 282 mSDsCounter, 0 mSdLazyCounter, 1026 mSolverCounterSat, 19 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 260 SdHoareTripleChecker+Valid, 400 SdHoareTripleChecker+Invalid, 1046 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 1026 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.4s IncrementalHoareTripleChecker+Time [2023-11-24 23:59:47,172 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [260 Valid, 400 Invalid, 1046 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 1026 Invalid, 1 Unknown, 0 Unchecked, 3.4s Time] [2023-11-24 23:59:47,173 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 256 states. [2023-11-24 23:59:47,202 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 256 to 249. [2023-11-24 23:59:47,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 249 states, 205 states have (on average 1.3560975609756099) internal successors, (278), 206 states have internal predecessors, (278), 36 states have call successors, (36), 7 states have call predecessors, (36), 7 states have return successors, (36), 35 states have call predecessors, (36), 36 states have call successors, (36) [2023-11-24 23:59:47,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 249 states and 350 transitions. [2023-11-24 23:59:47,206 INFO L78 Accepts]: Start accepts. Automaton has 249 states and 350 transitions. Word has length 144 [2023-11-24 23:59:47,206 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-24 23:59:47,206 INFO L495 AbstractCegarLoop]: Abstraction has 249 states and 350 transitions. [2023-11-24 23:59:47,207 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 7.0) internal successors, (63), 8 states have internal predecessors, (63), 3 states have call successors, (18), 3 states have call predecessors, (18), 3 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2023-11-24 23:59:47,207 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 350 transitions. [2023-11-24 23:59:47,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2023-11-24 23:59:47,209 INFO L187 NwaCegarLoop]: Found error trace [2023-11-24 23:59:47,209 INFO L195 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:59:47,223 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_937488c3-120b-4877-9208-b4b0f5370c72/bin/utaipan-verify-SwPr7d2a91/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (10)] Ended with exit code 0 [2023-11-24 23:59:47,418 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_937488c3-120b-4877-9208-b4b0f5370c72/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 23:59:47,418 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-24 23:59:47,419 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:59:47,419 INFO L85 PathProgramCache]: Analyzing trace with hash 1736230297, now seen corresponding path program 1 times [2023-11-24 23:59:47,419 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-24 23:59:47,419 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [319939014] [2023-11-24 23:59:47,420 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:59:47,420 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 23:59:47,420 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_937488c3-120b-4877-9208-b4b0f5370c72/bin/utaipan-verify-SwPr7d2a91/mathsat [2023-11-24 23:59:47,421 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_937488c3-120b-4877-9208-b4b0f5370c72/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 23:59:47,424 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_937488c3-120b-4877-9208-b4b0f5370c72/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 (11)] Waiting until timeout for monitored process [2023-11-24 23:59:47,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat