./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-24.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25e55624-9dcd-4a7d-b0b9-775c2cfba6dc/bin/utaipan-verify-SwPr7d2a91/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25e55624-9dcd-4a7d-b0b9-775c2cfba6dc/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_25e55624-9dcd-4a7d-b0b9-775c2cfba6dc/bin/utaipan-verify-SwPr7d2a91/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25e55624-9dcd-4a7d-b0b9-775c2cfba6dc/bin/utaipan-verify-SwPr7d2a91/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-24.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25e55624-9dcd-4a7d-b0b9-775c2cfba6dc/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_25e55624-9dcd-4a7d-b0b9-775c2cfba6dc/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 1dbf57bc124875744eb5a4186252476f73fa3f14ae019c9a9da37b4d1a62cbf1 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-25 00:08:27,622 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-25 00:08:27,758 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25e55624-9dcd-4a7d-b0b9-775c2cfba6dc/bin/utaipan-verify-SwPr7d2a91/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-11-25 00:08:27,764 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-25 00:08:27,764 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-25 00:08:27,814 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-25 00:08:27,815 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-25 00:08:27,815 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-25 00:08:27,816 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-25 00:08:27,817 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-25 00:08:27,818 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-25 00:08:27,818 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-25 00:08:27,822 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-25 00:08:27,827 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-25 00:08:27,828 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-25 00:08:27,828 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-25 00:08:27,830 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-25 00:08:27,830 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-25 00:08:27,831 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-25 00:08:27,831 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-25 00:08:27,832 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-25 00:08:27,832 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-25 00:08:27,834 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-25 00:08:27,834 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-25 00:08:27,835 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-25 00:08:27,835 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-25 00:08:27,835 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-25 00:08:27,836 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-25 00:08:27,836 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-25 00:08:27,837 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-25 00:08:27,838 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-25 00:08:27,838 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-25 00:08:27,838 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-25 00:08:27,839 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-25 00:08:27,839 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-25 00:08:27,839 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-25 00:08:27,839 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-25 00:08:27,840 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-25 00:08:27,841 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-25 00:08:27,841 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-25 00:08:27,841 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-25 00:08:27,841 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-25 00:08:27,842 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-25 00:08:27,842 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-25 00:08:27,842 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-25 00:08:27,843 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-25 00:08:27,843 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-25 00:08:27,843 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_25e55624-9dcd-4a7d-b0b9-775c2cfba6dc/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25e55624-9dcd-4a7d-b0b9-775c2cfba6dc/bin/utaipan-verify-SwPr7d2a91 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1dbf57bc124875744eb5a4186252476f73fa3f14ae019c9a9da37b4d1a62cbf1 [2023-11-25 00:08:28,213 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-25 00:08:28,246 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-25 00:08:28,249 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-25 00:08:28,253 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-25 00:08:28,254 INFO L274 PluginConnector]: CDTParser initialized [2023-11-25 00:08:28,255 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25e55624-9dcd-4a7d-b0b9-775c2cfba6dc/bin/utaipan-verify-SwPr7d2a91/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-24.i [2023-11-25 00:08:31,503 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-25 00:08:31,798 INFO L384 CDTParser]: Found 1 translation units. [2023-11-25 00:08:31,819 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25e55624-9dcd-4a7d-b0b9-775c2cfba6dc/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-24.i [2023-11-25 00:08:31,837 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25e55624-9dcd-4a7d-b0b9-775c2cfba6dc/bin/utaipan-verify-SwPr7d2a91/data/7e5a65d83/5d74149d26784003ac78790cdbbd63d6/FLAG2caa489b1 [2023-11-25 00:08:31,862 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25e55624-9dcd-4a7d-b0b9-775c2cfba6dc/bin/utaipan-verify-SwPr7d2a91/data/7e5a65d83/5d74149d26784003ac78790cdbbd63d6 [2023-11-25 00:08:31,865 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-25 00:08:31,869 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-25 00:08:31,874 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-25 00:08:31,875 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-25 00:08:31,882 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-25 00:08:31,883 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 12:08:31" (1/1) ... [2023-11-25 00:08:31,885 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4d01e382 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:08:31, skipping insertion in model container [2023-11-25 00:08:31,885 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 12:08:31" (1/1) ... [2023-11-25 00:08:31,939 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-25 00:08:32,195 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_25e55624-9dcd-4a7d-b0b9-775c2cfba6dc/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-24.i[916,929] [2023-11-25 00:08:32,305 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-25 00:08:32,321 INFO L202 MainTranslator]: Completed pre-run [2023-11-25 00:08:32,342 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_25e55624-9dcd-4a7d-b0b9-775c2cfba6dc/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-24.i[916,929] [2023-11-25 00:08:32,427 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-25 00:08:32,460 INFO L206 MainTranslator]: Completed translation [2023-11-25 00:08:32,460 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:08:32 WrapperNode [2023-11-25 00:08:32,461 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-25 00:08:32,462 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-25 00:08:32,462 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-25 00:08:32,463 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-25 00:08:32,473 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:08:32" (1/1) ... [2023-11-25 00:08:32,490 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:08:32" (1/1) ... [2023-11-25 00:08:32,553 INFO L138 Inliner]: procedures = 29, calls = 157, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 406 [2023-11-25 00:08:32,555 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-25 00:08:32,556 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-25 00:08:32,556 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-25 00:08:32,556 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-25 00:08:32,566 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:08:32" (1/1) ... [2023-11-25 00:08:32,567 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:08:32" (1/1) ... [2023-11-25 00:08:32,579 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:08:32" (1/1) ... [2023-11-25 00:08:32,579 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:08:32" (1/1) ... [2023-11-25 00:08:32,617 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:08:32" (1/1) ... [2023-11-25 00:08:32,623 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:08:32" (1/1) ... [2023-11-25 00:08:32,627 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:08:32" (1/1) ... [2023-11-25 00:08:32,630 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:08:32" (1/1) ... [2023-11-25 00:08:32,637 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-25 00:08:32,638 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-25 00:08:32,638 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-25 00:08:32,639 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-25 00:08:32,640 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:08:32" (1/1) ... [2023-11-25 00:08:32,656 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-25 00:08:32,676 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25e55624-9dcd-4a7d-b0b9-775c2cfba6dc/bin/utaipan-verify-SwPr7d2a91/z3 [2023-11-25 00:08:32,749 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25e55624-9dcd-4a7d-b0b9-775c2cfba6dc/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-25 00:08:32,835 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25e55624-9dcd-4a7d-b0b9-775c2cfba6dc/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-25 00:08:32,845 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-25 00:08:32,845 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2023-11-25 00:08:32,845 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-25 00:08:32,846 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2023-11-25 00:08:32,848 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-25 00:08:32,848 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2023-11-25 00:08:32,849 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-25 00:08:32,849 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-25 00:08:32,849 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-25 00:08:32,849 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-25 00:08:32,850 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-25 00:08:33,014 INFO L241 CfgBuilder]: Building ICFG [2023-11-25 00:08:33,016 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-25 00:08:33,604 INFO L282 CfgBuilder]: Performing block encoding [2023-11-25 00:08:34,355 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-25 00:08:34,355 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-25 00:08:34,357 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 12:08:34 BoogieIcfgContainer [2023-11-25 00:08:34,358 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-25 00:08:34,362 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-25 00:08:34,362 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-25 00:08:34,366 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-25 00:08:34,366 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 12:08:31" (1/3) ... [2023-11-25 00:08:34,368 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@58ad0f35 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 12:08:34, skipping insertion in model container [2023-11-25 00:08:34,368 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:08:32" (2/3) ... [2023-11-25 00:08:34,370 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@58ad0f35 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 12:08:34, skipping insertion in model container [2023-11-25 00:08:34,370 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 12:08:34" (3/3) ... [2023-11-25 00:08:34,373 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-a_file-24.i [2023-11-25 00:08:34,395 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-25 00:08:34,395 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-25 00:08:34,450 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-25 00:08:34,457 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;@1c350427, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-25 00:08:34,458 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-25 00:08:34,462 INFO L276 IsEmpty]: Start isEmpty. Operand has 39 states, 21 states have (on average 1.1428571428571428) internal successors, (24), 22 states have internal predecessors, (24), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2023-11-25 00:08:34,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-11-25 00:08:34,475 INFO L187 NwaCegarLoop]: Found error trace [2023-11-25 00:08:34,477 INFO L195 NwaCegarLoop]: trace histogram [15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-25 00:08:34,478 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-25 00:08:34,488 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-25 00:08:34,489 INFO L85 PathProgramCache]: Analyzing trace with hash -240184878, now seen corresponding path program 1 times [2023-11-25 00:08:34,506 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-25 00:08:34,506 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [61358358] [2023-11-25 00:08:34,507 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-25 00:08:34,507 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-25 00:08:37,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-25 00:08:37,724 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-25 00:08:39,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-25 00:08:39,792 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-11-25 00:08:39,794 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-25 00:08:39,796 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-25 00:08:39,798 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-25 00:08:39,802 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-25 00:08:39,807 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-25 00:08:39,877 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem44 could not be translated [2023-11-25 00:08:39,879 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem44 could not be translated [2023-11-25 00:08:39,880 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem45 could not be translated [2023-11-25 00:08:39,881 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem45 could not be translated [2023-11-25 00:08:39,881 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem47 could not be translated [2023-11-25 00:08:39,882 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem47 could not be translated [2023-11-25 00:08:39,883 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem48 could not be translated [2023-11-25 00:08:39,892 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem48 could not be translated [2023-11-25 00:08:39,893 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem50 could not be translated [2023-11-25 00:08:39,894 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem50 could not be translated [2023-11-25 00:08:39,895 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem51 could not be translated [2023-11-25 00:08:39,896 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem51 could not be translated [2023-11-25 00:08:39,897 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short55 could not be translated [2023-11-25 00:08:39,897 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem53 could not be translated [2023-11-25 00:08:39,897 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem56 could not be translated [2023-11-25 00:08:39,897 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short58 could not be translated [2023-11-25 00:08:39,898 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem54 could not be translated [2023-11-25 00:08:39,898 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short59 could not be translated [2023-11-25 00:08:39,898 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem57 could not be translated [2023-11-25 00:08:39,899 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem57 could not be translated [2023-11-25 00:08:39,899 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short59 could not be translated [2023-11-25 00:08:39,899 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem54 could not be translated [2023-11-25 00:08:39,899 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short55 could not be translated [2023-11-25 00:08:39,900 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short58 could not be translated [2023-11-25 00:08:39,900 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem53 could not be translated [2023-11-25 00:08:39,900 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem56 could not be translated [2023-11-25 00:08:39,905 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem61 could not be translated [2023-11-25 00:08:39,906 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem61 could not be translated [2023-11-25 00:08:39,908 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem62 could not be translated [2023-11-25 00:08:39,909 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem62 could not be translated [2023-11-25 00:08:39,909 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem64 could not be translated [2023-11-25 00:08:39,911 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem64 could not be translated [2023-11-25 00:08:39,912 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem65 could not be translated [2023-11-25 00:08:39,913 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem65 could not be translated [2023-11-25 00:08:39,913 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem67 could not be translated [2023-11-25 00:08:39,914 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem67 could not be translated [2023-11-25 00:08:39,914 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem68 could not be translated [2023-11-25 00:08:39,914 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem68 could not be translated [2023-11-25 00:08:39,915 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem70 could not be translated [2023-11-25 00:08:39,918 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem70 could not be translated [2023-11-25 00:08:39,919 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem71 could not be translated [2023-11-25 00:08:39,919 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem71 could not be translated [2023-11-25 00:08:39,951 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.11 12:08:39 BoogieIcfgContainer [2023-11-25 00:08:39,951 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-25 00:08:39,953 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-25 00:08:39,953 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-25 00:08:39,954 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-25 00:08:39,954 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 12:08:34" (3/4) ... [2023-11-25 00:08:39,960 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-25 00:08:39,961 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-25 00:08:39,963 INFO L158 Benchmark]: Toolchain (without parser) took 8095.09ms. Allocated memory was 157.3MB in the beginning and 297.8MB in the end (delta: 140.5MB). Free memory was 118.9MB in the beginning and 153.6MB in the end (delta: -34.7MB). Peak memory consumption was 105.1MB. Max. memory is 16.1GB. [2023-11-25 00:08:39,963 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 111.1MB. Free memory is still 84.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-25 00:08:39,965 INFO L158 Benchmark]: CACSL2BoogieTranslator took 586.66ms. Allocated memory is still 157.3MB. Free memory was 118.9MB in the beginning and 104.2MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-25 00:08:39,966 INFO L158 Benchmark]: Boogie Procedure Inliner took 93.14ms. Allocated memory is still 157.3MB. Free memory was 104.2MB in the beginning and 100.7MB in the end (delta: 3.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-25 00:08:39,968 INFO L158 Benchmark]: Boogie Preprocessor took 81.02ms. Allocated memory is still 157.3MB. Free memory was 100.0MB in the beginning and 97.2MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-25 00:08:39,972 INFO L158 Benchmark]: RCFGBuilder took 1720.46ms. Allocated memory is still 157.3MB. Free memory was 97.2MB in the beginning and 87.6MB in the end (delta: 9.7MB). Peak memory consumption was 56.6MB. Max. memory is 16.1GB. [2023-11-25 00:08:39,974 INFO L158 Benchmark]: TraceAbstraction took 5589.13ms. Allocated memory was 157.3MB in the beginning and 297.8MB in the end (delta: 140.5MB). Free memory was 86.4MB in the beginning and 153.6MB in the end (delta: -67.2MB). Peak memory consumption was 141.3MB. Max. memory is 16.1GB. [2023-11-25 00:08:39,974 INFO L158 Benchmark]: Witness Printer took 8.09ms. Allocated memory is still 297.8MB. Free memory is still 153.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-25 00:08:39,983 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 111.1MB. Free memory is still 84.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 586.66ms. Allocated memory is still 157.3MB. Free memory was 118.9MB in the beginning and 104.2MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 93.14ms. Allocated memory is still 157.3MB. Free memory was 104.2MB in the beginning and 100.7MB in the end (delta: 3.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 81.02ms. Allocated memory is still 157.3MB. Free memory was 100.0MB in the beginning and 97.2MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1720.46ms. Allocated memory is still 157.3MB. Free memory was 97.2MB in the beginning and 87.6MB in the end (delta: 9.7MB). Peak memory consumption was 56.6MB. Max. memory is 16.1GB. * TraceAbstraction took 5589.13ms. Allocated memory was 157.3MB in the beginning and 297.8MB in the end (delta: 140.5MB). Free memory was 86.4MB in the beginning and 153.6MB in the end (delta: -67.2MB). Peak memory consumption was 141.3MB. Max. memory is 16.1GB. * Witness Printer took 8.09ms. Allocated memory is still 297.8MB. Free memory is still 153.6MB. 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~mem44 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem44 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem45 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem45 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem47 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem47 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem48 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem48 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem50 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem50 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem51 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem51 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short55 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem53 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem56 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short58 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem54 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short59 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem57 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem57 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short59 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem54 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short55 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short58 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem53 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem56 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~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~mem70 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem70 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem71 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem71 could not be translated - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 48, overapproximation of someBinaryDOUBLEComparisonOperation at line 57, overapproximation of someBinaryArithmeticDOUBLEoperation at line 57. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22-L24] unsigned char BOOL_unsigned_char_Array_0[2][2] = { {0, 1}, {1, 0} }; [L25-L27] float float_Array_0[2] = { 2.25, 199.4 }; [L28-L30] signed char signed_char_Array_0[5] = { -128, 0, 4, 16, 32 }; [L31-L33] unsigned char unsigned_char_Array_0[1] = { 100 }; [L34-L36] unsigned short int unsigned_short_int_Array_0[2] = { 55182, 0 }; [L93] isInitial = 1 [L94] FCALL initially() [L95] COND TRUE 1 [L96] FCALL updateLastVariables() [L97] CALL updateVariables() [L62] BOOL_unsigned_char_Array_0[1][0] = __VERIFIER_nondet_uchar() [L63] EXPR BOOL_unsigned_char_Array_0[1][0] VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, signed_char_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L63] CALL assume_abort_if_not(BOOL_unsigned_char_Array_0[1][0] >= 1) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, signed_char_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L20] COND FALSE !(!cond) [L63] RET assume_abort_if_not(BOOL_unsigned_char_Array_0[1][0] >= 1) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, signed_char_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L64] EXPR BOOL_unsigned_char_Array_0[1][0] VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, signed_char_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L64] CALL assume_abort_if_not(BOOL_unsigned_char_Array_0[1][0] <= 1) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, signed_char_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L20] COND FALSE !(!cond) [L64] RET assume_abort_if_not(BOOL_unsigned_char_Array_0[1][0] <= 1) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, signed_char_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L65] BOOL_unsigned_char_Array_0[0][1] = __VERIFIER_nondet_uchar() [L66] EXPR BOOL_unsigned_char_Array_0[0][1] VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, signed_char_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L66] CALL assume_abort_if_not(BOOL_unsigned_char_Array_0[0][1] >= 1) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, signed_char_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L20] COND FALSE !(!cond) [L66] RET assume_abort_if_not(BOOL_unsigned_char_Array_0[0][1] >= 1) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, signed_char_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L67] EXPR BOOL_unsigned_char_Array_0[0][1] VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, signed_char_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L67] CALL assume_abort_if_not(BOOL_unsigned_char_Array_0[0][1] <= 1) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, signed_char_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L20] COND FALSE !(!cond) [L67] RET assume_abort_if_not(BOOL_unsigned_char_Array_0[0][1] <= 1) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, signed_char_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L68] BOOL_unsigned_char_Array_0[1][1] = __VERIFIER_nondet_uchar() [L69] EXPR BOOL_unsigned_char_Array_0[1][1] VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, signed_char_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L69] CALL assume_abort_if_not(BOOL_unsigned_char_Array_0[1][1] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, signed_char_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L20] COND FALSE !(!cond) [L69] RET assume_abort_if_not(BOOL_unsigned_char_Array_0[1][1] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, signed_char_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L70] EXPR BOOL_unsigned_char_Array_0[1][1] VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, signed_char_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L70] CALL assume_abort_if_not(BOOL_unsigned_char_Array_0[1][1] <= 1) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, signed_char_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L20] COND FALSE !(!cond) [L70] RET assume_abort_if_not(BOOL_unsigned_char_Array_0[1][1] <= 1) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, signed_char_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L71] float_Array_0[1] = __VERIFIER_nondet_float() [L72] EXPR float_Array_0[1] [L72] EXPR float_Array_0[1] >= -922337.2036854765600e+13F && float_Array_0[1] <= -1.0e-20F [L72] EXPR float_Array_0[1] [L72] EXPR float_Array_0[1] >= -922337.2036854765600e+13F && float_Array_0[1] <= -1.0e-20F [L72] EXPR (float_Array_0[1] >= -922337.2036854765600e+13F && float_Array_0[1] <= -1.0e-20F) || (float_Array_0[1] <= 9223372.036854765600e+12F && float_Array_0[1] >= 1.0e-20F ) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, signed_char_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L72] CALL assume_abort_if_not((float_Array_0[1] >= -922337.2036854765600e+13F && float_Array_0[1] <= -1.0e-20F) || (float_Array_0[1] <= 9223372.036854765600e+12F && float_Array_0[1] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, signed_char_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L20] COND FALSE !(!cond) [L72] RET assume_abort_if_not((float_Array_0[1] >= -922337.2036854765600e+13F && float_Array_0[1] <= -1.0e-20F) || (float_Array_0[1] <= 9223372.036854765600e+12F && float_Array_0[1] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, signed_char_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L73] signed_char_Array_0[1] = __VERIFIER_nondet_char() [L74] EXPR signed_char_Array_0[1] VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, signed_char_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L74] CALL assume_abort_if_not(signed_char_Array_0[1] >= -127) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, signed_char_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L20] COND FALSE !(!cond) [L74] RET assume_abort_if_not(signed_char_Array_0[1] >= -127) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, signed_char_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L75] EXPR signed_char_Array_0[1] VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, signed_char_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L75] CALL assume_abort_if_not(signed_char_Array_0[1] <= 126) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, signed_char_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L20] COND FALSE !(!cond) [L75] RET assume_abort_if_not(signed_char_Array_0[1] <= 126) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, signed_char_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L76] signed_char_Array_0[2] = __VERIFIER_nondet_char() [L77] EXPR signed_char_Array_0[2] VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, signed_char_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L77] CALL assume_abort_if_not(signed_char_Array_0[2] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, signed_char_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L20] COND FALSE !(!cond) [L77] RET assume_abort_if_not(signed_char_Array_0[2] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, signed_char_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L78] EXPR signed_char_Array_0[2] VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, signed_char_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L78] CALL assume_abort_if_not(signed_char_Array_0[2] <= 126) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, signed_char_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L20] COND FALSE !(!cond) [L78] RET assume_abort_if_not(signed_char_Array_0[2] <= 126) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, signed_char_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L79] signed_char_Array_0[3] = __VERIFIER_nondet_char() [L80] EXPR signed_char_Array_0[3] VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, signed_char_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L80] CALL assume_abort_if_not(signed_char_Array_0[3] >= -1) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, signed_char_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L20] COND FALSE !(!cond) [L80] RET assume_abort_if_not(signed_char_Array_0[3] >= -1) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, signed_char_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L81] EXPR signed_char_Array_0[3] VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, signed_char_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L81] CALL assume_abort_if_not(signed_char_Array_0[3] <= 126) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, signed_char_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L20] COND FALSE !(!cond) [L81] RET assume_abort_if_not(signed_char_Array_0[3] <= 126) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, signed_char_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L82] unsigned_short_int_Array_0[0] = __VERIFIER_nondet_ushort() [L83] EXPR unsigned_short_int_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, signed_char_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L83] CALL assume_abort_if_not(unsigned_short_int_Array_0[0] >= 32767) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, signed_char_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L20] COND FALSE !(!cond) [L83] RET assume_abort_if_not(unsigned_short_int_Array_0[0] >= 32767) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, signed_char_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L84] EXPR unsigned_short_int_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, signed_char_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L84] CALL assume_abort_if_not(unsigned_short_int_Array_0[0] <= 65534) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, signed_char_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L20] COND FALSE !(!cond) [L84] RET assume_abort_if_not(unsigned_short_int_Array_0[0] <= 65534) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, signed_char_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L97] RET updateVariables() [L98] CALL step() [L40] EXPR BOOL_unsigned_char_Array_0[1][1] [L40] COND FALSE !(! BOOL_unsigned_char_Array_0[1][1]) [L43] EXPR BOOL_unsigned_char_Array_0[0][1] [L43] BOOL_unsigned_char_Array_0[0][0] = ((! BOOL_unsigned_char_Array_0[0][1]) || (! (! 0))) [L45] EXPR signed_char_Array_0[2] [L45] unsigned_char_Array_0[0] = signed_char_Array_0[2] [L46] EXPR float_Array_0[1] [L46] float_Array_0[0] = float_Array_0[1] [L47] EXPR signed_char_Array_0[3] [L47] signed_char_Array_0[0] = signed_char_Array_0[3] [L48] EXPR BOOL_unsigned_char_Array_0[0][0] [L48] BOOL_unsigned_char_Array_0[0][0] || (64.75f < float_Array_0[0]) [L48] EXPR float_Array_0[0] [L48] BOOL_unsigned_char_Array_0[0][0] || (64.75f < float_Array_0[0]) [L48] COND FALSE !(BOOL_unsigned_char_Array_0[0][0] || (64.75f < float_Array_0[0])) [L55] EXPR signed_char_Array_0[3] [L55] signed_char_Array_0[4] = signed_char_Array_0[3] [L57] EXPR float_Array_0[0] [L57] EXPR float_Array_0[0] [L57] EXPR (((float_Array_0[0] * 127.75)) > ((float_Array_0[0] / 3.4))) ? ((float_Array_0[0] * 127.75)) : ((float_Array_0[0] / 3.4)) [L57] EXPR float_Array_0[0] [L57] EXPR (((float_Array_0[0] * 127.75)) > ((float_Array_0[0] / 3.4))) ? ((float_Array_0[0] * 127.75)) : ((float_Array_0[0] / 3.4)) [L57] EXPR float_Array_0[0] [L57] COND FALSE !((((((float_Array_0[0] * 127.75)) > ((float_Array_0[0] / 3.4))) ? ((float_Array_0[0] * 127.75)) : ((float_Array_0[0] / 3.4)))) >= float_Array_0[0]) [L98] RET step() [L99] CALL, EXPR property() [L89] EXPR BOOL_unsigned_char_Array_0[0][0] [L89] EXPR BOOL_unsigned_char_Array_0[0][0] || (64.75f < float_Array_0[0]) [L89] EXPR float_Array_0[0] [L89] EXPR BOOL_unsigned_char_Array_0[0][0] || (64.75f < float_Array_0[0]) [L89] EXPR (BOOL_unsigned_char_Array_0[0][0] || (64.75f < float_Array_0[0])) ? (BOOL_unsigned_char_Array_0[0][0] ? (signed_char_Array_0[4] == ((signed char) (signed_char_Array_0[3] - signed_char_Array_0[2]))) : (signed_char_Array_0[4] == ((signed char) ((((((((signed_char_Array_0[3]) > (signed_char_Array_0[2])) ? (signed_char_Array_0[3]) : (signed_char_Array_0[2])))) < (signed_char_Array_0[1])) ? (((((signed_char_Array_0[3]) > (signed_char_Array_0[2])) ? (signed_char_Array_0[3]) : (signed_char_Array_0[2])))) : (signed_char_Array_0[1])))))) : (signed_char_Array_0[4] == ((signed char) signed_char_Array_0[3])) [L89] EXPR signed_char_Array_0[4] [L89] EXPR signed_char_Array_0[3] [L89] EXPR (BOOL_unsigned_char_Array_0[0][0] || (64.75f < float_Array_0[0])) ? (BOOL_unsigned_char_Array_0[0][0] ? (signed_char_Array_0[4] == ((signed char) (signed_char_Array_0[3] - signed_char_Array_0[2]))) : (signed_char_Array_0[4] == ((signed char) ((((((((signed_char_Array_0[3]) > (signed_char_Array_0[2])) ? (signed_char_Array_0[3]) : (signed_char_Array_0[2])))) < (signed_char_Array_0[1])) ? (((((signed_char_Array_0[3]) > (signed_char_Array_0[2])) ? (signed_char_Array_0[3]) : (signed_char_Array_0[2])))) : (signed_char_Array_0[1])))))) : (signed_char_Array_0[4] == ((signed char) signed_char_Array_0[3])) [L89] EXPR ((BOOL_unsigned_char_Array_0[0][0] || (64.75f < float_Array_0[0])) ? (BOOL_unsigned_char_Array_0[0][0] ? (signed_char_Array_0[4] == ((signed char) (signed_char_Array_0[3] - signed_char_Array_0[2]))) : (signed_char_Array_0[4] == ((signed char) ((((((((signed_char_Array_0[3]) > (signed_char_Array_0[2])) ? (signed_char_Array_0[3]) : (signed_char_Array_0[2])))) < (signed_char_Array_0[1])) ? (((((signed_char_Array_0[3]) > (signed_char_Array_0[2])) ? (signed_char_Array_0[3]) : (signed_char_Array_0[2])))) : (signed_char_Array_0[1])))))) : (signed_char_Array_0[4] == ((signed char) signed_char_Array_0[3]))) && (((((((float_Array_0[0] * 127.75)) > ((float_Array_0[0] / 3.4))) ? ((float_Array_0[0] * 127.75)) : ((float_Array_0[0] / 3.4)))) >= float_Array_0[0]) ? (unsigned_short_int_Array_0[1] == ((unsigned short int) (((((unsigned_short_int_Array_0[0] - (22925 - signed_char_Array_0[2]))) < (unsigned_char_Array_0[0])) ? ((unsigned_short_int_Array_0[0] - (22925 - signed_char_Array_0[2]))) : (unsigned_char_Array_0[0]))))) : 1) [L89] EXPR float_Array_0[0] [L89] EXPR float_Array_0[0] [L89] EXPR (((float_Array_0[0] * 127.75)) > ((float_Array_0[0] / 3.4))) ? ((float_Array_0[0] * 127.75)) : ((float_Array_0[0] / 3.4)) [L89] EXPR float_Array_0[0] [L89] EXPR (((float_Array_0[0] * 127.75)) > ((float_Array_0[0] / 3.4))) ? ((float_Array_0[0] * 127.75)) : ((float_Array_0[0] / 3.4)) [L89] EXPR float_Array_0[0] [L89] EXPR ((((((float_Array_0[0] * 127.75)) > ((float_Array_0[0] / 3.4))) ? ((float_Array_0[0] * 127.75)) : ((float_Array_0[0] / 3.4)))) >= float_Array_0[0]) ? (unsigned_short_int_Array_0[1] == ((unsigned short int) (((((unsigned_short_int_Array_0[0] - (22925 - signed_char_Array_0[2]))) < (unsigned_char_Array_0[0])) ? ((unsigned_short_int_Array_0[0] - (22925 - signed_char_Array_0[2]))) : (unsigned_char_Array_0[0]))))) : 1 [L89] EXPR unsigned_short_int_Array_0[1] [L89] EXPR unsigned_short_int_Array_0[0] [L89] EXPR signed_char_Array_0[2] [L89] EXPR unsigned_char_Array_0[0] [L89] EXPR (((unsigned_short_int_Array_0[0] - (22925 - signed_char_Array_0[2]))) < (unsigned_char_Array_0[0])) ? ((unsigned_short_int_Array_0[0] - (22925 - signed_char_Array_0[2]))) : (unsigned_char_Array_0[0]) [L89] EXPR unsigned_char_Array_0[0] [L89] EXPR (((unsigned_short_int_Array_0[0] - (22925 - signed_char_Array_0[2]))) < (unsigned_char_Array_0[0])) ? ((unsigned_short_int_Array_0[0] - (22925 - signed_char_Array_0[2]))) : (unsigned_char_Array_0[0]) [L89] EXPR ((((((float_Array_0[0] * 127.75)) > ((float_Array_0[0] / 3.4))) ? ((float_Array_0[0] * 127.75)) : ((float_Array_0[0] / 3.4)))) >= float_Array_0[0]) ? (unsigned_short_int_Array_0[1] == ((unsigned short int) (((((unsigned_short_int_Array_0[0] - (22925 - signed_char_Array_0[2]))) < (unsigned_char_Array_0[0])) ? ((unsigned_short_int_Array_0[0] - (22925 - signed_char_Array_0[2]))) : (unsigned_char_Array_0[0]))))) : 1 [L89] EXPR ((BOOL_unsigned_char_Array_0[0][0] || (64.75f < float_Array_0[0])) ? (BOOL_unsigned_char_Array_0[0][0] ? (signed_char_Array_0[4] == ((signed char) (signed_char_Array_0[3] - signed_char_Array_0[2]))) : (signed_char_Array_0[4] == ((signed char) ((((((((signed_char_Array_0[3]) > (signed_char_Array_0[2])) ? (signed_char_Array_0[3]) : (signed_char_Array_0[2])))) < (signed_char_Array_0[1])) ? (((((signed_char_Array_0[3]) > (signed_char_Array_0[2])) ? (signed_char_Array_0[3]) : (signed_char_Array_0[2])))) : (signed_char_Array_0[1])))))) : (signed_char_Array_0[4] == ((signed char) signed_char_Array_0[3]))) && (((((((float_Array_0[0] * 127.75)) > ((float_Array_0[0] / 3.4))) ? ((float_Array_0[0] * 127.75)) : ((float_Array_0[0] / 3.4)))) >= float_Array_0[0]) ? (unsigned_short_int_Array_0[1] == ((unsigned short int) (((((unsigned_short_int_Array_0[0] - (22925 - signed_char_Array_0[2]))) < (unsigned_char_Array_0[0])) ? ((unsigned_short_int_Array_0[0] - (22925 - signed_char_Array_0[2]))) : (unsigned_char_Array_0[0]))))) : 1) [L89] EXPR (((BOOL_unsigned_char_Array_0[0][0] || (64.75f < float_Array_0[0])) ? (BOOL_unsigned_char_Array_0[0][0] ? (signed_char_Array_0[4] == ((signed char) (signed_char_Array_0[3] - signed_char_Array_0[2]))) : (signed_char_Array_0[4] == ((signed char) ((((((((signed_char_Array_0[3]) > (signed_char_Array_0[2])) ? (signed_char_Array_0[3]) : (signed_char_Array_0[2])))) < (signed_char_Array_0[1])) ? (((((signed_char_Array_0[3]) > (signed_char_Array_0[2])) ? (signed_char_Array_0[3]) : (signed_char_Array_0[2])))) : (signed_char_Array_0[1])))))) : (signed_char_Array_0[4] == ((signed char) signed_char_Array_0[3]))) && (((((((float_Array_0[0] * 127.75)) > ((float_Array_0[0] / 3.4))) ? ((float_Array_0[0] * 127.75)) : ((float_Array_0[0] / 3.4)))) >= float_Array_0[0]) ? (unsigned_short_int_Array_0[1] == ((unsigned short int) (((((unsigned_short_int_Array_0[0] - (22925 - signed_char_Array_0[2]))) < (unsigned_char_Array_0[0])) ? ((unsigned_short_int_Array_0[0] - (22925 - signed_char_Array_0[2]))) : (unsigned_char_Array_0[0]))))) : 1)) && ((! BOOL_unsigned_char_Array_0[1][1]) ? (BOOL_unsigned_char_Array_0[0][0] == ((unsigned char) BOOL_unsigned_char_Array_0[1][0])) : (BOOL_unsigned_char_Array_0[0][0] == ((unsigned char) ((! BOOL_unsigned_char_Array_0[0][1]) || (! (! 0)))))) [L89] EXPR ((((BOOL_unsigned_char_Array_0[0][0] || (64.75f < float_Array_0[0])) ? (BOOL_unsigned_char_Array_0[0][0] ? (signed_char_Array_0[4] == ((signed char) (signed_char_Array_0[3] - signed_char_Array_0[2]))) : (signed_char_Array_0[4] == ((signed char) ((((((((signed_char_Array_0[3]) > (signed_char_Array_0[2])) ? (signed_char_Array_0[3]) : (signed_char_Array_0[2])))) < (signed_char_Array_0[1])) ? (((((signed_char_Array_0[3]) > (signed_char_Array_0[2])) ? (signed_char_Array_0[3]) : (signed_char_Array_0[2])))) : (signed_char_Array_0[1])))))) : (signed_char_Array_0[4] == ((signed char) signed_char_Array_0[3]))) && (((((((float_Array_0[0] * 127.75)) > ((float_Array_0[0] / 3.4))) ? ((float_Array_0[0] * 127.75)) : ((float_Array_0[0] / 3.4)))) >= float_Array_0[0]) ? (unsigned_short_int_Array_0[1] == ((unsigned short int) (((((unsigned_short_int_Array_0[0] - (22925 - signed_char_Array_0[2]))) < (unsigned_char_Array_0[0])) ? ((unsigned_short_int_Array_0[0] - (22925 - signed_char_Array_0[2]))) : (unsigned_char_Array_0[0]))))) : 1)) && ((! BOOL_unsigned_char_Array_0[1][1]) ? (BOOL_unsigned_char_Array_0[0][0] == ((unsigned char) BOOL_unsigned_char_Array_0[1][0])) : (BOOL_unsigned_char_Array_0[0][0] == ((unsigned char) ((! BOOL_unsigned_char_Array_0[0][1]) || (! (! 0))))))) && (unsigned_char_Array_0[0] == ((unsigned char) signed_char_Array_0[2])) [L89] EXPR (((((BOOL_unsigned_char_Array_0[0][0] || (64.75f < float_Array_0[0])) ? (BOOL_unsigned_char_Array_0[0][0] ? (signed_char_Array_0[4] == ((signed char) (signed_char_Array_0[3] - signed_char_Array_0[2]))) : (signed_char_Array_0[4] == ((signed char) ((((((((signed_char_Array_0[3]) > (signed_char_Array_0[2])) ? (signed_char_Array_0[3]) : (signed_char_Array_0[2])))) < (signed_char_Array_0[1])) ? (((((signed_char_Array_0[3]) > (signed_char_Array_0[2])) ? (signed_char_Array_0[3]) : (signed_char_Array_0[2])))) : (signed_char_Array_0[1])))))) : (signed_char_Array_0[4] == ((signed char) signed_char_Array_0[3]))) && (((((((float_Array_0[0] * 127.75)) > ((float_Array_0[0] / 3.4))) ? ((float_Array_0[0] * 127.75)) : ((float_Array_0[0] / 3.4)))) >= float_Array_0[0]) ? (unsigned_short_int_Array_0[1] == ((unsigned short int) (((((unsigned_short_int_Array_0[0] - (22925 - signed_char_Array_0[2]))) < (unsigned_char_Array_0[0])) ? ((unsigned_short_int_Array_0[0] - (22925 - signed_char_Array_0[2]))) : (unsigned_char_Array_0[0]))))) : 1)) && ((! BOOL_unsigned_char_Array_0[1][1]) ? (BOOL_unsigned_char_Array_0[0][0] == ((unsigned char) BOOL_unsigned_char_Array_0[1][0])) : (BOOL_unsigned_char_Array_0[0][0] == ((unsigned char) ((! BOOL_unsigned_char_Array_0[0][1]) || (! (! 0))))))) && (unsigned_char_Array_0[0] == ((unsigned char) signed_char_Array_0[2]))) && (float_Array_0[0] == ((float) float_Array_0[1])) [L89] EXPR ((((((BOOL_unsigned_char_Array_0[0][0] || (64.75f < float_Array_0[0])) ? (BOOL_unsigned_char_Array_0[0][0] ? (signed_char_Array_0[4] == ((signed char) (signed_char_Array_0[3] - signed_char_Array_0[2]))) : (signed_char_Array_0[4] == ((signed char) ((((((((signed_char_Array_0[3]) > (signed_char_Array_0[2])) ? (signed_char_Array_0[3]) : (signed_char_Array_0[2])))) < (signed_char_Array_0[1])) ? (((((signed_char_Array_0[3]) > (signed_char_Array_0[2])) ? (signed_char_Array_0[3]) : (signed_char_Array_0[2])))) : (signed_char_Array_0[1])))))) : (signed_char_Array_0[4] == ((signed char) signed_char_Array_0[3]))) && (((((((float_Array_0[0] * 127.75)) > ((float_Array_0[0] / 3.4))) ? ((float_Array_0[0] * 127.75)) : ((float_Array_0[0] / 3.4)))) >= float_Array_0[0]) ? (unsigned_short_int_Array_0[1] == ((unsigned short int) (((((unsigned_short_int_Array_0[0] - (22925 - signed_char_Array_0[2]))) < (unsigned_char_Array_0[0])) ? ((unsigned_short_int_Array_0[0] - (22925 - signed_char_Array_0[2]))) : (unsigned_char_Array_0[0]))))) : 1)) && ((! BOOL_unsigned_char_Array_0[1][1]) ? (BOOL_unsigned_char_Array_0[0][0] == ((unsigned char) BOOL_unsigned_char_Array_0[1][0])) : (BOOL_unsigned_char_Array_0[0][0] == ((unsigned char) ((! BOOL_unsigned_char_Array_0[0][1]) || (! (! 0))))))) && (unsigned_char_Array_0[0] == ((unsigned char) signed_char_Array_0[2]))) && (float_Array_0[0] == ((float) float_Array_0[1]))) && (signed_char_Array_0[0] == ((signed char) signed_char_Array_0[3])) [L89-L90] return ((((((BOOL_unsigned_char_Array_0[0][0] || (64.75f < float_Array_0[0])) ? (BOOL_unsigned_char_Array_0[0][0] ? (signed_char_Array_0[4] == ((signed char) (signed_char_Array_0[3] - signed_char_Array_0[2]))) : (signed_char_Array_0[4] == ((signed char) ((((((((signed_char_Array_0[3]) > (signed_char_Array_0[2])) ? (signed_char_Array_0[3]) : (signed_char_Array_0[2])))) < (signed_char_Array_0[1])) ? (((((signed_char_Array_0[3]) > (signed_char_Array_0[2])) ? (signed_char_Array_0[3]) : (signed_char_Array_0[2])))) : (signed_char_Array_0[1])))))) : (signed_char_Array_0[4] == ((signed char) signed_char_Array_0[3]))) && (((((((float_Array_0[0] * 127.75)) > ((float_Array_0[0] / 3.4))) ? ((float_Array_0[0] * 127.75)) : ((float_Array_0[0] / 3.4)))) >= float_Array_0[0]) ? (unsigned_short_int_Array_0[1] == ((unsigned short int) (((((unsigned_short_int_Array_0[0] - (22925 - signed_char_Array_0[2]))) < (unsigned_char_Array_0[0])) ? ((unsigned_short_int_Array_0[0] - (22925 - signed_char_Array_0[2]))) : (unsigned_char_Array_0[0]))))) : 1)) && ((! BOOL_unsigned_char_Array_0[1][1]) ? (BOOL_unsigned_char_Array_0[0][0] == ((unsigned char) BOOL_unsigned_char_Array_0[1][0])) : (BOOL_unsigned_char_Array_0[0][0] == ((unsigned char) ((! BOOL_unsigned_char_Array_0[0][1]) || (! (! 0))))))) && (unsigned_char_Array_0[0] == ((unsigned char) signed_char_Array_0[2]))) && (float_Array_0[0] == ((float) float_Array_0[1]))) && (signed_char_Array_0[0] == ((signed char) signed_char_Array_0[3])) ; [L99] RET, EXPR property() [L99] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=0, cond=0, float_Array_0={5:0}, isInitial=1, signed_char_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L19] reach_error() VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=0, cond=0, float_Array_0={5:0}, isInitial=1, signed_char_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 39 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 5.4s, OverallIterations: 1, TraceHistogramMax: 15, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=39occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 3.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 64 NumberOfCodeBlocks, 64 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-25 00:08:40,015 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25e55624-9dcd-4a7d-b0b9-775c2cfba6dc/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25e55624-9dcd-4a7d-b0b9-775c2cfba6dc/bin/utaipan-verify-SwPr7d2a91/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25e55624-9dcd-4a7d-b0b9-775c2cfba6dc/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_25e55624-9dcd-4a7d-b0b9-775c2cfba6dc/bin/utaipan-verify-SwPr7d2a91/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25e55624-9dcd-4a7d-b0b9-775c2cfba6dc/bin/utaipan-verify-SwPr7d2a91/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-24.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25e55624-9dcd-4a7d-b0b9-775c2cfba6dc/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_25e55624-9dcd-4a7d-b0b9-775c2cfba6dc/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 1dbf57bc124875744eb5a4186252476f73fa3f14ae019c9a9da37b4d1a62cbf1 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-25 00:08:42,837 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-25 00:08:42,982 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25e55624-9dcd-4a7d-b0b9-775c2cfba6dc/bin/utaipan-verify-SwPr7d2a91/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2023-11-25 00:08:42,991 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-25 00:08:42,992 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-25 00:08:43,040 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-25 00:08:43,042 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-25 00:08:43,042 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-25 00:08:43,043 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-25 00:08:43,049 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-25 00:08:43,050 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-25 00:08:43,050 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-25 00:08:43,051 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-25 00:08:43,053 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-25 00:08:43,053 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-25 00:08:43,054 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-25 00:08:43,055 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-25 00:08:43,056 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-25 00:08:43,056 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-25 00:08:43,057 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-25 00:08:43,057 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-25 00:08:43,058 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-25 00:08:43,059 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-25 00:08:43,059 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-25 00:08:43,060 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-25 00:08:43,060 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-25 00:08:43,061 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-25 00:08:43,061 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-25 00:08:43,062 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-25 00:08:43,062 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-25 00:08:43,064 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-25 00:08:43,064 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-25 00:08:43,064 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-25 00:08:43,065 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-25 00:08:43,065 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-25 00:08:43,066 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-25 00:08:43,066 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-25 00:08:43,066 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-25 00:08:43,067 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-25 00:08:43,068 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-25 00:08:43,068 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-25 00:08:43,069 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-25 00:08:43,069 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-25 00:08:43,069 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-25 00:08:43,070 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_25e55624-9dcd-4a7d-b0b9-775c2cfba6dc/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25e55624-9dcd-4a7d-b0b9-775c2cfba6dc/bin/utaipan-verify-SwPr7d2a91 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1dbf57bc124875744eb5a4186252476f73fa3f14ae019c9a9da37b4d1a62cbf1 [2023-11-25 00:08:43,499 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-25 00:08:43,523 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-25 00:08:43,526 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-25 00:08:43,527 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-25 00:08:43,528 INFO L274 PluginConnector]: CDTParser initialized [2023-11-25 00:08:43,529 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25e55624-9dcd-4a7d-b0b9-775c2cfba6dc/bin/utaipan-verify-SwPr7d2a91/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-24.i [2023-11-25 00:08:46,709 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-25 00:08:46,968 INFO L384 CDTParser]: Found 1 translation units. [2023-11-25 00:08:46,969 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25e55624-9dcd-4a7d-b0b9-775c2cfba6dc/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-24.i [2023-11-25 00:08:46,979 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25e55624-9dcd-4a7d-b0b9-775c2cfba6dc/bin/utaipan-verify-SwPr7d2a91/data/2e2bb12e8/5389ff6480634cada683596062865ee5/FLAGd64bb1a3f [2023-11-25 00:08:46,997 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25e55624-9dcd-4a7d-b0b9-775c2cfba6dc/bin/utaipan-verify-SwPr7d2a91/data/2e2bb12e8/5389ff6480634cada683596062865ee5 [2023-11-25 00:08:47,003 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-25 00:08:47,005 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-25 00:08:47,008 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-25 00:08:47,009 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-25 00:08:47,014 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-25 00:08:47,015 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 12:08:46" (1/1) ... [2023-11-25 00:08:47,015 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@787b4d81 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:08:47, skipping insertion in model container [2023-11-25 00:08:47,016 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 12:08:46" (1/1) ... [2023-11-25 00:08:47,048 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-25 00:08:47,257 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_25e55624-9dcd-4a7d-b0b9-775c2cfba6dc/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-24.i[916,929] [2023-11-25 00:08:47,373 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-25 00:08:47,393 INFO L202 MainTranslator]: Completed pre-run [2023-11-25 00:08:47,409 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_25e55624-9dcd-4a7d-b0b9-775c2cfba6dc/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-24.i[916,929] [2023-11-25 00:08:47,504 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-25 00:08:47,526 INFO L206 MainTranslator]: Completed translation [2023-11-25 00:08:47,527 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:08:47 WrapperNode [2023-11-25 00:08:47,527 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-25 00:08:47,528 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-25 00:08:47,528 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-25 00:08:47,528 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-25 00:08:47,536 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:08:47" (1/1) ... [2023-11-25 00:08:47,567 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:08:47" (1/1) ... [2023-11-25 00:08:47,629 INFO L138 Inliner]: procedures = 33, calls = 157, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 403 [2023-11-25 00:08:47,632 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-25 00:08:47,634 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-25 00:08:47,634 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-25 00:08:47,634 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-25 00:08:47,645 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:08:47" (1/1) ... [2023-11-25 00:08:47,646 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:08:47" (1/1) ... [2023-11-25 00:08:47,667 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:08:47" (1/1) ... [2023-11-25 00:08:47,681 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:08:47" (1/1) ... [2023-11-25 00:08:47,728 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:08:47" (1/1) ... [2023-11-25 00:08:47,733 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:08:47" (1/1) ... [2023-11-25 00:08:47,739 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:08:47" (1/1) ... [2023-11-25 00:08:47,743 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:08:47" (1/1) ... [2023-11-25 00:08:47,760 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-25 00:08:47,761 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-25 00:08:47,761 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-25 00:08:47,761 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-25 00:08:47,762 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:08:47" (1/1) ... [2023-11-25 00:08:47,774 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-25 00:08:47,787 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25e55624-9dcd-4a7d-b0b9-775c2cfba6dc/bin/utaipan-verify-SwPr7d2a91/z3 [2023-11-25 00:08:47,802 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25e55624-9dcd-4a7d-b0b9-775c2cfba6dc/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-25 00:08:47,839 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25e55624-9dcd-4a7d-b0b9-775c2cfba6dc/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-25 00:08:47,850 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-25 00:08:47,851 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2023-11-25 00:08:47,851 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2023-11-25 00:08:47,851 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-25 00:08:47,851 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2023-11-25 00:08:47,852 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2023-11-25 00:08:47,852 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2023-11-25 00:08:47,854 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4 [2023-11-25 00:08:47,855 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-25 00:08:47,855 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-25 00:08:47,855 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-25 00:08:47,856 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-25 00:08:47,856 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2023-11-25 00:08:47,856 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2023-11-25 00:08:48,035 INFO L241 CfgBuilder]: Building ICFG [2023-11-25 00:08:48,038 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-25 00:09:00,266 INFO L282 CfgBuilder]: Performing block encoding [2023-11-25 00:09:00,322 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-25 00:09:00,323 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-25 00:09:00,323 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 12:09:00 BoogieIcfgContainer [2023-11-25 00:09:00,324 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-25 00:09:00,327 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-25 00:09:00,327 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-25 00:09:00,330 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-25 00:09:00,331 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 12:08:46" (1/3) ... [2023-11-25 00:09:00,332 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3fc5fadd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 12:09:00, skipping insertion in model container [2023-11-25 00:09:00,332 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:08:47" (2/3) ... [2023-11-25 00:09:00,333 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3fc5fadd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 12:09:00, skipping insertion in model container [2023-11-25 00:09:00,333 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 12:09:00" (3/3) ... [2023-11-25 00:09:00,334 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-a_file-24.i [2023-11-25 00:09:00,355 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-25 00:09:00,355 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-25 00:09:00,412 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-25 00:09:00,420 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;@22f22dc4, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-25 00:09:00,421 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-25 00:09:00,427 INFO L276 IsEmpty]: Start isEmpty. Operand has 94 states, 76 states have (on average 1.4342105263157894) internal successors, (109), 77 states have internal predecessors, (109), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2023-11-25 00:09:00,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2023-11-25 00:09:00,451 INFO L187 NwaCegarLoop]: Found error trace [2023-11-25 00:09:00,452 INFO L195 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-25 00:09:00,453 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-25 00:09:00,461 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-25 00:09:00,462 INFO L85 PathProgramCache]: Analyzing trace with hash 1405349117, now seen corresponding path program 1 times [2023-11-25 00:09:00,483 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-25 00:09:00,484 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [861119131] [2023-11-25 00:09:00,484 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-25 00:09:00,485 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 [2023-11-25 00:09:00,485 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25e55624-9dcd-4a7d-b0b9-775c2cfba6dc/bin/utaipan-verify-SwPr7d2a91/mathsat [2023-11-25 00:09:00,488 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25e55624-9dcd-4a7d-b0b9-775c2cfba6dc/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) [2023-11-25 00:09:00,508 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25e55624-9dcd-4a7d-b0b9-775c2cfba6dc/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 [2023-11-25 00:09:01,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-25 00:09:01,835 INFO L262 TraceCheckSpWp]: Trace formula consists of 257 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-25 00:09:01,846 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-25 00:09:01,885 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 220 proven. 0 refuted. 0 times theorem prover too weak. 200 trivial. 0 not checked. [2023-11-25 00:09:01,886 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-25 00:09:01,887 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-25 00:09:01,887 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [861119131] [2023-11-25 00:09:01,888 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [861119131] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-25 00:09:01,888 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-25 00:09:01,888 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-25 00:09:01,890 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [247511802] [2023-11-25 00:09:01,891 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-25 00:09:01,896 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-25 00:09:01,896 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-25 00:09:01,930 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-25 00:09:01,931 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-25 00:09:01,936 INFO L87 Difference]: Start difference. First operand has 94 states, 76 states have (on average 1.4342105263157894) internal successors, (109), 77 states have internal predecessors, (109), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) Second operand has 2 states, 2 states have (on average 25.5) internal successors, (51), 2 states have internal predecessors, (51), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2023-11-25 00:09:02,039 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-25 00:09:02,040 INFO L93 Difference]: Finished difference Result 185 states and 291 transitions. [2023-11-25 00:09:02,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-25 00:09:02,042 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 25.5) internal successors, (51), 2 states have internal predecessors, (51), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 119 [2023-11-25 00:09:02,043 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-25 00:09:02,051 INFO L225 Difference]: With dead ends: 185 [2023-11-25 00:09:02,051 INFO L226 Difference]: Without dead ends: 92 [2023-11-25 00:09:02,055 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 118 GetRequests, 118 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-25 00:09:02,059 INFO L413 NwaCegarLoop]: 130 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 130 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-25 00:09:02,060 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 130 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-25 00:09:02,076 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states. [2023-11-25 00:09:02,126 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 92. [2023-11-25 00:09:02,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 92 states, 75 states have (on average 1.3866666666666667) internal successors, (104), 75 states have internal predecessors, (104), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2023-11-25 00:09:02,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 134 transitions. [2023-11-25 00:09:02,141 INFO L78 Accepts]: Start accepts. Automaton has 92 states and 134 transitions. Word has length 119 [2023-11-25 00:09:02,142 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-25 00:09:02,142 INFO L495 AbstractCegarLoop]: Abstraction has 92 states and 134 transitions. [2023-11-25 00:09:02,143 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 25.5) internal successors, (51), 2 states have internal predecessors, (51), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2023-11-25 00:09:02,143 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 134 transitions. [2023-11-25 00:09:02,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2023-11-25 00:09:02,151 INFO L187 NwaCegarLoop]: Found error trace [2023-11-25 00:09:02,151 INFO L195 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-25 00:09:02,195 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25e55624-9dcd-4a7d-b0b9-775c2cfba6dc/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 [2023-11-25 00:09:02,382 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25e55624-9dcd-4a7d-b0b9-775c2cfba6dc/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 [2023-11-25 00:09:02,383 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-25 00:09:02,384 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-25 00:09:02,384 INFO L85 PathProgramCache]: Analyzing trace with hash 1351080759, now seen corresponding path program 1 times [2023-11-25 00:09:02,384 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-25 00:09:02,385 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [140073855] [2023-11-25 00:09:02,385 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-25 00:09:02,385 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 [2023-11-25 00:09:02,385 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25e55624-9dcd-4a7d-b0b9-775c2cfba6dc/bin/utaipan-verify-SwPr7d2a91/mathsat [2023-11-25 00:09:02,388 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25e55624-9dcd-4a7d-b0b9-775c2cfba6dc/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) [2023-11-25 00:09:02,427 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25e55624-9dcd-4a7d-b0b9-775c2cfba6dc/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 [2023-11-25 00:09:03,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-25 00:09:03,644 INFO L262 TraceCheckSpWp]: Trace formula consists of 257 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-25 00:09:03,651 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-25 00:09:03,879 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 216 proven. 0 refuted. 0 times theorem prover too weak. 204 trivial. 0 not checked. [2023-11-25 00:09:03,879 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-25 00:09:03,879 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-25 00:09:03,880 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [140073855] [2023-11-25 00:09:03,880 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [140073855] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-25 00:09:03,880 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-25 00:09:03,880 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-25 00:09:03,881 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [378717857] [2023-11-25 00:09:03,881 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-25 00:09:03,883 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-25 00:09:03,883 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-25 00:09:03,884 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-25 00:09:03,884 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-25 00:09:03,885 INFO L87 Difference]: Start difference. First operand 92 states and 134 transitions. Second operand has 4 states, 4 states have (on average 12.5) internal successors, (50), 4 states have internal predecessors, (50), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2023-11-25 00:09:04,317 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-25 00:09:04,317 INFO L93 Difference]: Finished difference Result 189 states and 276 transitions. [2023-11-25 00:09:04,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-25 00:09:04,318 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.5) internal successors, (50), 4 states have internal predecessors, (50), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 119 [2023-11-25 00:09:04,319 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-25 00:09:04,320 INFO L225 Difference]: With dead ends: 189 [2023-11-25 00:09:04,320 INFO L226 Difference]: Without dead ends: 98 [2023-11-25 00:09:04,322 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 119 GetRequests, 116 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-25 00:09:04,323 INFO L413 NwaCegarLoop]: 129 mSDtfsCounter, 10 mSDsluCounter, 250 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 379 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-25 00:09:04,324 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 379 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-25 00:09:04,325 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98 states. [2023-11-25 00:09:04,337 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98 to 94. [2023-11-25 00:09:04,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 94 states, 77 states have (on average 1.3766233766233766) internal successors, (106), 77 states have internal predecessors, (106), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2023-11-25 00:09:04,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 136 transitions. [2023-11-25 00:09:04,339 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 136 transitions. Word has length 119 [2023-11-25 00:09:04,340 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-25 00:09:04,340 INFO L495 AbstractCegarLoop]: Abstraction has 94 states and 136 transitions. [2023-11-25 00:09:04,341 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.5) internal successors, (50), 4 states have internal predecessors, (50), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2023-11-25 00:09:04,341 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 136 transitions. [2023-11-25 00:09:04,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2023-11-25 00:09:04,343 INFO L187 NwaCegarLoop]: Found error trace [2023-11-25 00:09:04,344 INFO L195 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-25 00:09:04,364 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25e55624-9dcd-4a7d-b0b9-775c2cfba6dc/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 [2023-11-25 00:09:04,555 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25e55624-9dcd-4a7d-b0b9-775c2cfba6dc/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 [2023-11-25 00:09:04,555 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-25 00:09:04,556 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-25 00:09:04,556 INFO L85 PathProgramCache]: Analyzing trace with hash -1886048459, now seen corresponding path program 1 times [2023-11-25 00:09:04,557 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-25 00:09:04,557 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [967990182] [2023-11-25 00:09:04,557 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-25 00:09:04,557 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 [2023-11-25 00:09:04,557 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25e55624-9dcd-4a7d-b0b9-775c2cfba6dc/bin/utaipan-verify-SwPr7d2a91/mathsat [2023-11-25 00:09:04,565 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25e55624-9dcd-4a7d-b0b9-775c2cfba6dc/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) [2023-11-25 00:09:04,567 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25e55624-9dcd-4a7d-b0b9-775c2cfba6dc/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 [2023-11-25 00:09:05,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-25 00:09:05,906 INFO L262 TraceCheckSpWp]: Trace formula consists of 259 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-25 00:09:05,912 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-25 00:09:06,002 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2023-11-25 00:09:06,003 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-25 00:09:06,003 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-25 00:09:06,003 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [967990182] [2023-11-25 00:09:06,003 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [967990182] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-25 00:09:06,004 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-25 00:09:06,004 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-25 00:09:06,004 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [178051153] [2023-11-25 00:09:06,004 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-25 00:09:06,005 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-25 00:09:06,005 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-25 00:09:06,006 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-25 00:09:06,006 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-25 00:09:06,007 INFO L87 Difference]: Start difference. First operand 94 states and 136 transitions. Second operand has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2023-11-25 00:09:06,235 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-25 00:09:06,236 INFO L93 Difference]: Finished difference Result 188 states and 273 transitions. [2023-11-25 00:09:06,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-25 00:09:06,237 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) Word has length 119 [2023-11-25 00:09:06,238 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-25 00:09:06,239 INFO L225 Difference]: With dead ends: 188 [2023-11-25 00:09:06,239 INFO L226 Difference]: Without dead ends: 95 [2023-11-25 00:09:06,240 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 118 GetRequests, 117 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-25 00:09:06,242 INFO L413 NwaCegarLoop]: 129 mSDtfsCounter, 0 mSDsluCounter, 124 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 253 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-25 00:09:06,243 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 253 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-25 00:09:06,244 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95 states. [2023-11-25 00:09:06,252 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95 to 95. [2023-11-25 00:09:06,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 95 states, 78 states have (on average 1.3717948717948718) internal successors, (107), 78 states have internal predecessors, (107), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2023-11-25 00:09:06,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 137 transitions. [2023-11-25 00:09:06,254 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 137 transitions. Word has length 119 [2023-11-25 00:09:06,255 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-25 00:09:06,255 INFO L495 AbstractCegarLoop]: Abstraction has 95 states and 137 transitions. [2023-11-25 00:09:06,256 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2023-11-25 00:09:06,256 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 137 transitions. [2023-11-25 00:09:06,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2023-11-25 00:09:06,258 INFO L187 NwaCegarLoop]: Found error trace [2023-11-25 00:09:06,259 INFO L195 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-25 00:09:06,288 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25e55624-9dcd-4a7d-b0b9-775c2cfba6dc/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)] Ended with exit code 0 [2023-11-25 00:09:06,487 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25e55624-9dcd-4a7d-b0b9-775c2cfba6dc/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 [2023-11-25 00:09:06,488 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-25 00:09:06,488 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-25 00:09:06,489 INFO L85 PathProgramCache]: Analyzing trace with hash -1667193741, now seen corresponding path program 1 times [2023-11-25 00:09:06,489 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-25 00:09:06,490 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [406134344] [2023-11-25 00:09:06,490 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-25 00:09:06,490 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 [2023-11-25 00:09:06,490 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25e55624-9dcd-4a7d-b0b9-775c2cfba6dc/bin/utaipan-verify-SwPr7d2a91/mathsat [2023-11-25 00:09:06,492 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25e55624-9dcd-4a7d-b0b9-775c2cfba6dc/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) [2023-11-25 00:09:06,504 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25e55624-9dcd-4a7d-b0b9-775c2cfba6dc/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 [2023-11-25 00:09:07,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-25 00:09:07,750 INFO L262 TraceCheckSpWp]: Trace formula consists of 261 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-25 00:09:07,754 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-25 00:09:07,847 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2023-11-25 00:09:07,847 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-25 00:09:07,848 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-25 00:09:07,848 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [406134344] [2023-11-25 00:09:07,848 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [406134344] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-25 00:09:07,849 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-25 00:09:07,849 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-25 00:09:07,849 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1862352556] [2023-11-25 00:09:07,849 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-25 00:09:07,850 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-25 00:09:07,850 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-25 00:09:07,851 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-25 00:09:07,851 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-25 00:09:07,851 INFO L87 Difference]: Start difference. First operand 95 states and 137 transitions. Second operand has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2023-11-25 00:09:08,049 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-25 00:09:08,050 INFO L93 Difference]: Finished difference Result 209 states and 303 transitions. [2023-11-25 00:09:08,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-25 00:09:08,056 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) Word has length 119 [2023-11-25 00:09:08,057 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-25 00:09:08,058 INFO L225 Difference]: With dead ends: 209 [2023-11-25 00:09:08,058 INFO L226 Difference]: Without dead ends: 115 [2023-11-25 00:09:08,059 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 118 GetRequests, 117 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-25 00:09:08,060 INFO L413 NwaCegarLoop]: 156 mSDtfsCounter, 40 mSDsluCounter, 113 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 40 SdHoareTripleChecker+Valid, 269 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-25 00:09:08,061 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [40 Valid, 269 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-25 00:09:08,062 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2023-11-25 00:09:08,075 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 96. [2023-11-25 00:09:08,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 96 states, 79 states have (on average 1.3670886075949367) internal successors, (108), 79 states have internal predecessors, (108), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2023-11-25 00:09:08,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 138 transitions. [2023-11-25 00:09:08,079 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 138 transitions. Word has length 119 [2023-11-25 00:09:08,080 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-25 00:09:08,080 INFO L495 AbstractCegarLoop]: Abstraction has 96 states and 138 transitions. [2023-11-25 00:09:08,081 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2023-11-25 00:09:08,081 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 138 transitions. [2023-11-25 00:09:08,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2023-11-25 00:09:08,083 INFO L187 NwaCegarLoop]: Found error trace [2023-11-25 00:09:08,084 INFO L195 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-25 00:09:08,112 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25e55624-9dcd-4a7d-b0b9-775c2cfba6dc/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 [2023-11-25 00:09:08,308 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25e55624-9dcd-4a7d-b0b9-775c2cfba6dc/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 [2023-11-25 00:09:08,308 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-25 00:09:08,309 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-25 00:09:08,309 INFO L85 PathProgramCache]: Analyzing trace with hash 1347909877, now seen corresponding path program 1 times [2023-11-25 00:09:08,310 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-25 00:09:08,310 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1164018456] [2023-11-25 00:09:08,310 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-25 00:09:08,310 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 [2023-11-25 00:09:08,311 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25e55624-9dcd-4a7d-b0b9-775c2cfba6dc/bin/utaipan-verify-SwPr7d2a91/mathsat [2023-11-25 00:09:08,312 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25e55624-9dcd-4a7d-b0b9-775c2cfba6dc/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) [2023-11-25 00:09:08,314 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25e55624-9dcd-4a7d-b0b9-775c2cfba6dc/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 [2023-11-25 00:09:09,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-25 00:09:09,565 INFO L262 TraceCheckSpWp]: Trace formula consists of 263 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-25 00:09:09,577 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-25 00:09:09,837 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2023-11-25 00:09:09,838 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-25 00:09:09,838 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-25 00:09:09,839 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1164018456] [2023-11-25 00:09:09,839 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1164018456] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-25 00:09:09,839 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-25 00:09:09,839 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-25 00:09:09,840 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1656093123] [2023-11-25 00:09:09,840 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-25 00:09:09,841 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-25 00:09:09,841 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-25 00:09:09,842 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-25 00:09:09,842 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-25 00:09:09,843 INFO L87 Difference]: Start difference. First operand 96 states and 138 transitions. Second operand has 5 states, 5 states have (on average 9.4) internal successors, (47), 5 states have internal predecessors, (47), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2023-11-25 00:09:10,682 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-25 00:09:10,682 INFO L93 Difference]: Finished difference Result 212 states and 305 transitions. [2023-11-25 00:09:10,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-25 00:09:10,683 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.4) internal successors, (47), 5 states have internal predecessors, (47), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) Word has length 119 [2023-11-25 00:09:10,684 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-25 00:09:10,685 INFO L225 Difference]: With dead ends: 212 [2023-11-25 00:09:10,686 INFO L226 Difference]: Without dead ends: 117 [2023-11-25 00:09:10,686 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 121 GetRequests, 115 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-11-25 00:09:10,688 INFO L413 NwaCegarLoop]: 125 mSDtfsCounter, 46 mSDsluCounter, 373 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 46 SdHoareTripleChecker+Valid, 498 SdHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-11-25 00:09:10,688 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [46 Valid, 498 Invalid, 44 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-11-25 00:09:10,690 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 117 states. [2023-11-25 00:09:10,698 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 117 to 100. [2023-11-25 00:09:10,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 100 states, 83 states have (on average 1.3493975903614457) internal successors, (112), 83 states have internal predecessors, (112), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2023-11-25 00:09:10,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 142 transitions. [2023-11-25 00:09:10,700 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 142 transitions. Word has length 119 [2023-11-25 00:09:10,701 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-25 00:09:10,701 INFO L495 AbstractCegarLoop]: Abstraction has 100 states and 142 transitions. [2023-11-25 00:09:10,702 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.4) internal successors, (47), 5 states have internal predecessors, (47), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2023-11-25 00:09:10,702 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 142 transitions. [2023-11-25 00:09:10,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2023-11-25 00:09:10,704 INFO L187 NwaCegarLoop]: Found error trace [2023-11-25 00:09:10,704 INFO L195 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-25 00:09:10,740 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25e55624-9dcd-4a7d-b0b9-775c2cfba6dc/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 [2023-11-25 00:09:10,929 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25e55624-9dcd-4a7d-b0b9-775c2cfba6dc/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 [2023-11-25 00:09:10,929 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-25 00:09:10,930 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-25 00:09:10,930 INFO L85 PathProgramCache]: Analyzing trace with hash 538563251, now seen corresponding path program 1 times [2023-11-25 00:09:10,930 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-25 00:09:10,931 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1081372145] [2023-11-25 00:09:10,931 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-25 00:09:10,931 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 [2023-11-25 00:09:10,931 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25e55624-9dcd-4a7d-b0b9-775c2cfba6dc/bin/utaipan-verify-SwPr7d2a91/mathsat [2023-11-25 00:09:10,932 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25e55624-9dcd-4a7d-b0b9-775c2cfba6dc/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) [2023-11-25 00:09:10,937 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25e55624-9dcd-4a7d-b0b9-775c2cfba6dc/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 [2023-11-25 00:09:12,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-25 00:09:12,107 INFO L262 TraceCheckSpWp]: Trace formula consists of 260 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-25 00:09:12,111 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-25 00:09:12,591 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2023-11-25 00:09:12,591 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-25 00:09:12,591 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-25 00:09:12,591 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1081372145] [2023-11-25 00:09:12,591 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1081372145] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-25 00:09:12,592 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-25 00:09:12,611 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-25 00:09:12,612 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [851778906] [2023-11-25 00:09:12,612 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-25 00:09:12,612 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-25 00:09:12,613 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-25 00:09:12,613 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-25 00:09:12,613 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-11-25 00:09:12,614 INFO L87 Difference]: Start difference. First operand 100 states and 142 transitions. Second operand has 6 states, 6 states have (on average 7.833333333333333) internal successors, (47), 6 states have internal predecessors, (47), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2023-11-25 00:09:13,862 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-25 00:09:13,862 INFO L93 Difference]: Finished difference Result 219 states and 310 transitions. [2023-11-25 00:09:13,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-11-25 00:09:13,863 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.833333333333333) internal successors, (47), 6 states have internal predecessors, (47), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) Word has length 119 [2023-11-25 00:09:13,864 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-25 00:09:13,865 INFO L225 Difference]: With dead ends: 219 [2023-11-25 00:09:13,865 INFO L226 Difference]: Without dead ends: 120 [2023-11-25 00:09:13,866 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 124 GetRequests, 114 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2023-11-25 00:09:13,868 INFO L413 NwaCegarLoop]: 123 mSDtfsCounter, 49 mSDsluCounter, 493 mSDsCounter, 0 mSdLazyCounter, 61 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 49 SdHoareTripleChecker+Valid, 616 SdHoareTripleChecker+Invalid, 64 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 61 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-11-25 00:09:13,868 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [49 Valid, 616 Invalid, 64 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 61 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-11-25 00:09:13,870 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2023-11-25 00:09:13,883 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 102. [2023-11-25 00:09:13,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 102 states, 85 states have (on average 1.3411764705882352) internal successors, (114), 85 states have internal predecessors, (114), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2023-11-25 00:09:13,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 102 states and 144 transitions. [2023-11-25 00:09:13,892 INFO L78 Accepts]: Start accepts. Automaton has 102 states and 144 transitions. Word has length 119 [2023-11-25 00:09:13,893 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-25 00:09:13,893 INFO L495 AbstractCegarLoop]: Abstraction has 102 states and 144 transitions. [2023-11-25 00:09:13,894 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.833333333333333) internal successors, (47), 6 states have internal predecessors, (47), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2023-11-25 00:09:13,894 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 144 transitions. [2023-11-25 00:09:13,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2023-11-25 00:09:13,898 INFO L187 NwaCegarLoop]: Found error trace [2023-11-25 00:09:13,899 INFO L195 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-25 00:09:13,930 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25e55624-9dcd-4a7d-b0b9-775c2cfba6dc/bin/utaipan-verify-SwPr7d2a91/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2023-11-25 00:09:14,115 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25e55624-9dcd-4a7d-b0b9-775c2cfba6dc/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 [2023-11-25 00:09:14,115 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-25 00:09:14,116 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-25 00:09:14,116 INFO L85 PathProgramCache]: Analyzing trace with hash 595821553, now seen corresponding path program 1 times [2023-11-25 00:09:14,117 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-25 00:09:14,117 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [613987216] [2023-11-25 00:09:14,117 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-25 00:09:14,117 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 [2023-11-25 00:09:14,117 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25e55624-9dcd-4a7d-b0b9-775c2cfba6dc/bin/utaipan-verify-SwPr7d2a91/mathsat [2023-11-25 00:09:14,118 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25e55624-9dcd-4a7d-b0b9-775c2cfba6dc/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) [2023-11-25 00:09:14,121 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25e55624-9dcd-4a7d-b0b9-775c2cfba6dc/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 [2023-11-25 00:09:15,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-25 00:09:15,344 INFO L262 TraceCheckSpWp]: Trace formula consists of 257 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-25 00:09:15,347 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-25 00:09:15,950 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2023-11-25 00:09:15,950 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-25 00:09:15,951 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-25 00:09:15,951 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [613987216] [2023-11-25 00:09:15,951 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [613987216] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-25 00:09:15,955 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-25 00:09:15,955 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-25 00:09:15,955 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [494958812] [2023-11-25 00:09:15,956 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-25 00:09:15,956 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-25 00:09:15,957 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-25 00:09:15,957 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-25 00:09:15,958 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-11-25 00:09:15,958 INFO L87 Difference]: Start difference. First operand 102 states and 144 transitions. Second operand has 7 states, 7 states have (on average 6.714285714285714) internal successors, (47), 7 states have internal predecessors, (47), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2023-11-25 00:09:17,937 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-25 00:09:17,938 INFO L93 Difference]: Finished difference Result 222 states and 310 transitions. [2023-11-25 00:09:17,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-11-25 00:09:17,938 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.714285714285714) internal successors, (47), 7 states have internal predecessors, (47), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) Word has length 119 [2023-11-25 00:09:17,939 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-25 00:09:17,940 INFO L225 Difference]: With dead ends: 222 [2023-11-25 00:09:17,940 INFO L226 Difference]: Without dead ends: 121 [2023-11-25 00:09:17,941 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 128 GetRequests, 113 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=86, Invalid=186, Unknown=0, NotChecked=0, Total=272 [2023-11-25 00:09:17,942 INFO L413 NwaCegarLoop]: 122 mSDtfsCounter, 40 mSDsluCounter, 606 mSDsCounter, 0 mSdLazyCounter, 79 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 40 SdHoareTripleChecker+Valid, 728 SdHoareTripleChecker+Invalid, 83 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 79 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2023-11-25 00:09:17,943 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [40 Valid, 728 Invalid, 83 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 79 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2023-11-25 00:09:17,944 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states. [2023-11-25 00:09:17,951 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 104. [2023-11-25 00:09:17,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 104 states, 87 states have (on average 1.3333333333333333) internal successors, (116), 87 states have internal predecessors, (116), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2023-11-25 00:09:17,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 146 transitions. [2023-11-25 00:09:17,954 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 146 transitions. Word has length 119 [2023-11-25 00:09:17,954 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-25 00:09:17,954 INFO L495 AbstractCegarLoop]: Abstraction has 104 states and 146 transitions. [2023-11-25 00:09:17,955 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.714285714285714) internal successors, (47), 7 states have internal predecessors, (47), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2023-11-25 00:09:17,955 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 146 transitions. [2023-11-25 00:09:17,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2023-11-25 00:09:17,957 INFO L187 NwaCegarLoop]: Found error trace [2023-11-25 00:09:17,957 INFO L195 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-25 00:09:17,985 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25e55624-9dcd-4a7d-b0b9-775c2cfba6dc/bin/utaipan-verify-SwPr7d2a91/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2023-11-25 00:09:18,180 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25e55624-9dcd-4a7d-b0b9-775c2cfba6dc/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 [2023-11-25 00:09:18,180 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-25 00:09:18,181 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-25 00:09:18,181 INFO L85 PathProgramCache]: Analyzing trace with hash 595881135, now seen corresponding path program 1 times [2023-11-25 00:09:18,181 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-25 00:09:18,181 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1718769221] [2023-11-25 00:09:18,182 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-25 00:09:18,182 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 [2023-11-25 00:09:18,182 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25e55624-9dcd-4a7d-b0b9-775c2cfba6dc/bin/utaipan-verify-SwPr7d2a91/mathsat [2023-11-25 00:09:18,184 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25e55624-9dcd-4a7d-b0b9-775c2cfba6dc/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) [2023-11-25 00:09:18,191 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25e55624-9dcd-4a7d-b0b9-775c2cfba6dc/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 [2023-11-25 00:09:20,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-25 00:09:20,458 INFO L262 TraceCheckSpWp]: Trace formula consists of 254 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-25 00:09:20,463 INFO L285 TraceCheckSpWp]: Computing forward predicates...