./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_normal_file-17.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version cf1a7837 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_66ec5477-6a14-4734-b5c0-9936d115be81/bin/utaipan-verify-NcY6lQBIFX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66ec5477-6a14-4734-b5c0-9936d115be81/bin/utaipan-verify-NcY6lQBIFX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66ec5477-6a14-4734-b5c0-9936d115be81/bin/utaipan-verify-NcY6lQBIFX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66ec5477-6a14-4734-b5c0-9936d115be81/bin/utaipan-verify-NcY6lQBIFX/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_normal_file-17.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66ec5477-6a14-4734-b5c0-9936d115be81/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66ec5477-6a14-4734-b5c0-9936d115be81/bin/utaipan-verify-NcY6lQBIFX --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 db4339d9c0024596d658d0411cbe4cbce1656ab1dc5134de3a6a8a906120bfe4 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 00:44:44,902 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 00:44:45,044 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66ec5477-6a14-4734-b5c0-9936d115be81/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-11-12 00:44:45,053 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 00:44:45,054 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 00:44:45,102 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 00:44:45,103 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 00:44:45,103 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 00:44:45,104 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 00:44:45,107 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 00:44:45,107 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-12 00:44:45,108 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-12 00:44:45,108 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-12 00:44:45,109 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-12 00:44:45,109 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-12 00:44:45,110 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-12 00:44:45,110 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-12 00:44:45,111 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-12 00:44:45,111 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-12 00:44:45,112 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-12 00:44:45,112 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-12 00:44:45,113 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-12 00:44:45,114 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 00:44:45,114 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 00:44:45,114 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-12 00:44:45,115 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-12 00:44:45,115 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-12 00:44:45,116 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 00:44:45,116 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 00:44:45,116 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 00:44:45,118 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 00:44:45,118 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-12 00:44:45,118 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 00:44:45,118 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 00:44:45,118 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 00:44:45,119 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 00:44:45,119 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 00:44:45,119 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 00:44:45,119 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 00:44:45,120 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 00:44:45,120 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-12 00:44:45,120 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-12 00:44:45,120 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 00:44:45,120 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-12 00:44:45,121 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 00:44:45,121 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_66ec5477-6a14-4734-b5c0-9936d115be81/bin/utaipan-verify-NcY6lQBIFX/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66ec5477-6a14-4734-b5c0-9936d115be81/bin/utaipan-verify-NcY6lQBIFX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> db4339d9c0024596d658d0411cbe4cbce1656ab1dc5134de3a6a8a906120bfe4 [2023-11-12 00:44:45,457 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 00:44:45,484 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 00:44:45,487 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 00:44:45,488 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 00:44:45,489 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 00:44:45,493 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66ec5477-6a14-4734-b5c0-9936d115be81/bin/utaipan-verify-NcY6lQBIFX/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_normal_file-17.i [2023-11-12 00:44:48,443 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 00:44:48,700 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 00:44:48,700 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66ec5477-6a14-4734-b5c0-9936d115be81/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_normal_file-17.i [2023-11-12 00:44:48,711 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66ec5477-6a14-4734-b5c0-9936d115be81/bin/utaipan-verify-NcY6lQBIFX/data/20576c630/bcc270325f694aad92ab5cb3ebe5bdfd/FLAG55e101fca [2023-11-12 00:44:48,727 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66ec5477-6a14-4734-b5c0-9936d115be81/bin/utaipan-verify-NcY6lQBIFX/data/20576c630/bcc270325f694aad92ab5cb3ebe5bdfd [2023-11-12 00:44:48,730 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 00:44:48,731 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 00:44:48,733 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 00:44:48,733 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 00:44:48,739 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 00:44:48,740 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:44:48" (1/1) ... [2023-11-12 00:44:48,741 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@48231e8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:44:48, skipping insertion in model container [2023-11-12 00:44:48,742 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:44:48" (1/1) ... [2023-11-12 00:44:48,773 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 00:44:48,942 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_66ec5477-6a14-4734-b5c0-9936d115be81/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_normal_file-17.i[913,926] [2023-11-12 00:44:49,003 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:44:49,019 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 00:44:49,031 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_66ec5477-6a14-4734-b5c0-9936d115be81/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_normal_file-17.i[913,926] [2023-11-12 00:44:49,065 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:44:49,083 INFO L206 MainTranslator]: Completed translation [2023-11-12 00:44:49,083 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:44:49 WrapperNode [2023-11-12 00:44:49,083 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 00:44:49,085 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 00:44:49,085 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 00:44:49,085 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 00:44:49,093 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:44:49" (1/1) ... [2023-11-12 00:44:49,110 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:44:49" (1/1) ... [2023-11-12 00:44:49,172 INFO L138 Inliner]: procedures = 26, calls = 31, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 162 [2023-11-12 00:44:49,172 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 00:44:49,173 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 00:44:49,173 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 00:44:49,173 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 00:44:49,184 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:44:49" (1/1) ... [2023-11-12 00:44:49,184 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:44:49" (1/1) ... [2023-11-12 00:44:49,188 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:44:49" (1/1) ... [2023-11-12 00:44:49,188 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:44:49" (1/1) ... [2023-11-12 00:44:49,211 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:44:49" (1/1) ... [2023-11-12 00:44:49,223 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:44:49" (1/1) ... [2023-11-12 00:44:49,225 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:44:49" (1/1) ... [2023-11-12 00:44:49,228 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:44:49" (1/1) ... [2023-11-12 00:44:49,233 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 00:44:49,234 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 00:44:49,234 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 00:44:49,234 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 00:44:49,235 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:44:49" (1/1) ... [2023-11-12 00:44:49,250 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 00:44:49,264 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66ec5477-6a14-4734-b5c0-9936d115be81/bin/utaipan-verify-NcY6lQBIFX/z3 [2023-11-12 00:44:49,296 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66ec5477-6a14-4734-b5c0-9936d115be81/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-12 00:44:49,349 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66ec5477-6a14-4734-b5c0-9936d115be81/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-12 00:44:49,374 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 00:44:49,375 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-12 00:44:49,375 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-12 00:44:49,375 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-12 00:44:49,375 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 00:44:49,375 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 00:44:49,502 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 00:44:49,505 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 00:44:49,968 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 00:44:50,484 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 00:44:50,484 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-12 00:44:50,490 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:44:50 BoogieIcfgContainer [2023-11-12 00:44:50,490 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 00:44:50,495 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-12 00:44:50,495 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-12 00:44:50,498 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-12 00:44:50,499 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 12:44:48" (1/3) ... [2023-11-12 00:44:50,500 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2755bc19 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:44:50, skipping insertion in model container [2023-11-12 00:44:50,500 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:44:49" (2/3) ... [2023-11-12 00:44:50,504 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2755bc19 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:44:50, skipping insertion in model container [2023-11-12 00:44:50,504 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:44:50" (3/3) ... [2023-11-12 00:44:50,505 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodesize_normal_file-17.i [2023-11-12 00:44:50,527 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-12 00:44:50,527 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-12 00:44:50,577 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-12 00:44:50,584 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;@786415b9, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-12 00:44:50,584 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-12 00:44:50,589 INFO L276 IsEmpty]: Start isEmpty. Operand has 37 states, 16 states have (on average 1.1875) internal successors, (19), 17 states have internal predecessors, (19), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2023-11-12 00:44:50,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-11-12 00:44:50,602 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:44:50,603 INFO L195 NwaCegarLoop]: trace histogram [18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 00:44:50,605 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 00:44:50,612 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:44:50,612 INFO L85 PathProgramCache]: Analyzing trace with hash 195080192, now seen corresponding path program 1 times [2023-11-12 00:44:50,623 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-12 00:44:50,624 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [571920781] [2023-11-12 00:44:50,625 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:44:50,625 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:44:50,858 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-12 00:44:50,858 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [836011330] [2023-11-12 00:44:50,859 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:44:50,859 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 00:44:50,862 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66ec5477-6a14-4734-b5c0-9936d115be81/bin/utaipan-verify-NcY6lQBIFX/z3 [2023-11-12 00:44:50,866 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66ec5477-6a14-4734-b5c0-9936d115be81/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-12 00:44:50,895 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66ec5477-6a14-4734-b5c0-9936d115be81/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-12 00:44:51,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 00:44:51,442 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-12 00:44:51,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 00:44:51,701 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-11-12 00:44:51,704 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-12 00:44:51,706 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-12 00:44:51,719 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66ec5477-6a14-4734-b5c0-9936d115be81/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-12 00:44:51,915 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66ec5477-6a14-4734-b5c0-9936d115be81/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-11-12 00:44:51,920 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-12 00:44:51,924 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-11-12 00:44:52,033 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.11 12:44:52 BoogieIcfgContainer [2023-11-12 00:44:52,034 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-12 00:44:52,035 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-12 00:44:52,035 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-12 00:44:52,036 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-12 00:44:52,036 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:44:50" (3/4) ... [2023-11-12 00:44:52,038 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-12 00:44:52,039 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-12 00:44:52,041 INFO L158 Benchmark]: Toolchain (without parser) took 3309.18ms. Allocated memory was 142.6MB in the beginning and 172.0MB in the end (delta: 29.4MB). Free memory was 110.5MB in the beginning and 92.2MB in the end (delta: 18.3MB). Peak memory consumption was 47.2MB. Max. memory is 16.1GB. [2023-11-12 00:44:52,041 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 115.3MB. Free memory is still 88.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 00:44:52,043 INFO L158 Benchmark]: CACSL2BoogieTranslator took 351.04ms. Allocated memory is still 142.6MB. Free memory was 110.0MB in the beginning and 95.9MB in the end (delta: 14.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-12 00:44:52,044 INFO L158 Benchmark]: Boogie Procedure Inliner took 87.83ms. Allocated memory is still 142.6MB. Free memory was 95.9MB in the beginning and 92.2MB in the end (delta: 3.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-12 00:44:52,049 INFO L158 Benchmark]: Boogie Preprocessor took 59.79ms. Allocated memory is still 142.6MB. Free memory was 92.2MB in the beginning and 90.5MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-12 00:44:52,051 INFO L158 Benchmark]: RCFGBuilder took 1256.78ms. Allocated memory was 142.6MB in the beginning and 172.0MB in the end (delta: 29.4MB). Free memory was 90.1MB in the beginning and 133.1MB in the end (delta: -43.0MB). Peak memory consumption was 43.0MB. Max. memory is 16.1GB. [2023-11-12 00:44:52,052 INFO L158 Benchmark]: TraceAbstraction took 1539.39ms. Allocated memory is still 172.0MB. Free memory was 133.1MB in the beginning and 92.2MB in the end (delta: 40.9MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2023-11-12 00:44:52,052 INFO L158 Benchmark]: Witness Printer took 4.43ms. Allocated memory is still 172.0MB. Free memory is still 92.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 00:44:52,061 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 115.3MB. Free memory is still 88.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 351.04ms. Allocated memory is still 142.6MB. Free memory was 110.0MB in the beginning and 95.9MB in the end (delta: 14.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 87.83ms. Allocated memory is still 142.6MB. Free memory was 95.9MB in the beginning and 92.2MB in the end (delta: 3.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 59.79ms. Allocated memory is still 142.6MB. Free memory was 92.2MB in the beginning and 90.5MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1256.78ms. Allocated memory was 142.6MB in the beginning and 172.0MB in the end (delta: 29.4MB). Free memory was 90.1MB in the beginning and 133.1MB in the end (delta: -43.0MB). Peak memory consumption was 43.0MB. Max. memory is 16.1GB. * TraceAbstraction took 1539.39ms. Allocated memory is still 172.0MB. Free memory was 133.1MB in the beginning and 92.2MB in the end (delta: 40.9MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. * Witness Printer took 4.43ms. Allocated memory is still 172.0MB. Free memory is still 92.2MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 58, overapproximation of bitwiseAnd at line 73. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned char var_1_1 = 25; [L23] unsigned char var_1_2 = 25; [L24] unsigned char var_1_3 = 0; [L25] unsigned char var_1_4 = 0; [L26] signed long int var_1_5 = 4; [L27] unsigned char var_1_7 = 0; [L28] unsigned char var_1_8 = 1; [L29] unsigned char var_1_9 = 0; [L30] unsigned char var_1_10 = 0; [L31] double var_1_11 = 7.3; [L32] double var_1_12 = 1.25; [L33] double var_1_13 = 128.8; [L34] signed char var_1_14 = -1; [L35] signed char var_1_15 = 10; [L36] signed short int var_1_16 = 8; [L37] unsigned long int var_1_18 = 128; [L38] unsigned long int var_1_19 = 3963666122; [L39] unsigned char last_1_var_1_8 = 1; [L40] signed char last_1_var_1_14 = -1; [L125] isInitial = 1 [L126] FCALL initially() [L127] COND TRUE 1 [L128] CALL updateLastVariables() [L117] last_1_var_1_8 = var_1_8 [L118] last_1_var_1_14 = var_1_14 [L128] RET updateLastVariables() [L129] CALL updateVariables() [L87] var_1_2 = __VERIFIER_nondet_uchar() [L88] CALL assume_abort_if_not(var_1_2 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=0, var_1_11=73/10, var_1_12=5/4, var_1_13=644/5, var_1_14=-1, var_1_15=10, var_1_16=8, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_3=0, var_1_4=0, var_1_5=4, var_1_7=0, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) [L88] RET assume_abort_if_not(var_1_2 >= 0) VAL [isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=0, var_1_11=73/10, var_1_12=5/4, var_1_13=644/5, var_1_14=-1, var_1_15=10, var_1_16=8, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_3=0, var_1_4=0, var_1_5=4, var_1_7=0, var_1_8=1, var_1_9=0] [L89] CALL assume_abort_if_not(var_1_2 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=0, var_1_11=73/10, var_1_12=5/4, var_1_13=644/5, var_1_14=-1, var_1_15=10, var_1_16=8, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_2=1, var_1_3=0, var_1_4=0, var_1_5=4, var_1_7=0, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) [L89] RET assume_abort_if_not(var_1_2 <= 127) VAL [isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=0, var_1_11=73/10, var_1_12=5/4, var_1_13=644/5, var_1_14=-1, var_1_15=10, var_1_16=8, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_2=1, var_1_3=0, var_1_4=0, var_1_5=4, var_1_7=0, var_1_8=1, var_1_9=0] [L90] var_1_3 = __VERIFIER_nondet_uchar() [L91] CALL assume_abort_if_not(var_1_3 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=0, var_1_11=73/10, var_1_12=5/4, var_1_13=644/5, var_1_14=-1, var_1_15=10, var_1_16=8, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_2=1, var_1_3=0, var_1_4=0, var_1_5=4, var_1_7=0, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) [L91] RET assume_abort_if_not(var_1_3 >= 0) VAL [isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=0, var_1_11=73/10, var_1_12=5/4, var_1_13=644/5, var_1_14=-1, var_1_15=10, var_1_16=8, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_2=1, var_1_3=0, var_1_4=0, var_1_5=4, var_1_7=0, var_1_8=1, var_1_9=0] [L92] CALL assume_abort_if_not(var_1_3 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=0, var_1_11=73/10, var_1_12=5/4, var_1_13=644/5, var_1_14=-1, var_1_15=10, var_1_16=8, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_2=1, var_1_3=0, var_1_4=0, var_1_5=4, var_1_7=0, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) [L92] RET assume_abort_if_not(var_1_3 <= 127) VAL [isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=0, var_1_11=73/10, var_1_12=5/4, var_1_13=644/5, var_1_14=-1, var_1_15=10, var_1_16=8, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_2=1, var_1_3=0, var_1_4=0, var_1_5=4, var_1_7=0, var_1_8=1, var_1_9=0] [L93] var_1_4 = __VERIFIER_nondet_uchar() [L94] CALL assume_abort_if_not(var_1_4 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=0, var_1_11=73/10, var_1_12=5/4, var_1_13=644/5, var_1_14=-1, var_1_15=10, var_1_16=8, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_2=1, var_1_3=0, var_1_4=0, var_1_5=4, var_1_7=0, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) [L94] RET assume_abort_if_not(var_1_4 >= 0) VAL [isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=0, var_1_11=73/10, var_1_12=5/4, var_1_13=644/5, var_1_14=-1, var_1_15=10, var_1_16=8, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_2=1, var_1_3=0, var_1_4=0, var_1_5=4, var_1_7=0, var_1_8=1, var_1_9=0] [L95] CALL assume_abort_if_not(var_1_4 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=0, var_1_11=73/10, var_1_12=5/4, var_1_13=644/5, var_1_14=-1, var_1_15=10, var_1_16=8, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_2=1, var_1_3=0, var_1_4=0, var_1_5=4, var_1_7=0, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) [L95] RET assume_abort_if_not(var_1_4 <= 127) VAL [isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=0, var_1_11=73/10, var_1_12=5/4, var_1_13=644/5, var_1_14=-1, var_1_15=10, var_1_16=8, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_2=1, var_1_3=0, var_1_4=0, var_1_5=4, var_1_7=0, var_1_8=1, var_1_9=0] [L96] var_1_7 = __VERIFIER_nondet_uchar() [L97] CALL assume_abort_if_not(var_1_7 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=0, var_1_11=73/10, var_1_12=5/4, var_1_13=644/5, var_1_14=-1, var_1_15=10, var_1_16=8, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_2=1, var_1_3=0, var_1_4=0, var_1_5=4, var_1_7=1, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) [L97] RET assume_abort_if_not(var_1_7 >= 0) VAL [isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=0, var_1_11=73/10, var_1_12=5/4, var_1_13=644/5, var_1_14=-1, var_1_15=10, var_1_16=8, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_2=1, var_1_3=0, var_1_4=0, var_1_5=4, var_1_7=1, var_1_8=1, var_1_9=0] [L98] CALL assume_abort_if_not(var_1_7 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=0, var_1_11=73/10, var_1_12=5/4, var_1_13=644/5, var_1_14=-1, var_1_15=10, var_1_16=8, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_2=1, var_1_3=0, var_1_4=0, var_1_5=4, var_1_7=1, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) [L98] RET assume_abort_if_not(var_1_7 <= 1) VAL [isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=0, var_1_11=73/10, var_1_12=5/4, var_1_13=644/5, var_1_14=-1, var_1_15=10, var_1_16=8, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_2=1, var_1_3=0, var_1_4=0, var_1_5=4, var_1_7=1, var_1_8=1, var_1_9=0] [L99] var_1_9 = __VERIFIER_nondet_uchar() [L100] CALL assume_abort_if_not(var_1_9 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=0, var_1_11=73/10, var_1_12=5/4, var_1_13=644/5, var_1_14=-1, var_1_15=10, var_1_16=8, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_2=1, var_1_3=0, var_1_4=0, var_1_5=4, var_1_7=1, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) [L100] RET assume_abort_if_not(var_1_9 >= 1) VAL [isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=0, var_1_11=73/10, var_1_12=5/4, var_1_13=644/5, var_1_14=-1, var_1_15=10, var_1_16=8, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_2=1, var_1_3=0, var_1_4=0, var_1_5=4, var_1_7=1, var_1_8=1, var_1_9=1] [L101] CALL assume_abort_if_not(var_1_9 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=0, var_1_11=73/10, var_1_12=5/4, var_1_13=644/5, var_1_14=-1, var_1_15=10, var_1_16=8, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_2=1, var_1_3=0, var_1_4=0, var_1_5=4, var_1_7=1, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) [L101] RET assume_abort_if_not(var_1_9 <= 1) VAL [isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=0, var_1_11=73/10, var_1_12=5/4, var_1_13=644/5, var_1_14=-1, var_1_15=10, var_1_16=8, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_2=1, var_1_3=0, var_1_4=0, var_1_5=4, var_1_7=1, var_1_8=1, var_1_9=1] [L102] var_1_10 = __VERIFIER_nondet_uchar() [L103] CALL assume_abort_if_not(var_1_10 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=1, var_1_11=73/10, var_1_12=5/4, var_1_13=644/5, var_1_14=-1, var_1_15=10, var_1_16=8, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_2=1, var_1_3=0, var_1_4=0, var_1_5=4, var_1_7=1, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) [L103] RET assume_abort_if_not(var_1_10 >= 1) VAL [isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=1, var_1_11=73/10, var_1_12=5/4, var_1_13=644/5, var_1_14=-1, var_1_15=10, var_1_16=8, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_2=1, var_1_3=0, var_1_4=0, var_1_5=4, var_1_7=1, var_1_8=1, var_1_9=1] [L104] CALL assume_abort_if_not(var_1_10 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=1, var_1_11=73/10, var_1_12=5/4, var_1_13=644/5, var_1_14=-1, var_1_15=10, var_1_16=8, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_2=1, var_1_3=0, var_1_4=0, var_1_5=4, var_1_7=1, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) [L104] RET assume_abort_if_not(var_1_10 <= 1) VAL [isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=1, var_1_11=73/10, var_1_12=5/4, var_1_13=644/5, var_1_14=-1, var_1_15=10, var_1_16=8, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_2=1, var_1_3=0, var_1_4=0, var_1_5=4, var_1_7=1, var_1_8=1, var_1_9=1] [L105] var_1_12 = __VERIFIER_nondet_double() [L106] CALL assume_abort_if_not((var_1_12 >= -922337.2036854765600e+13F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 9223372.036854765600e+12F && var_1_12 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=1, var_1_11=73/10, var_1_12=2, var_1_13=644/5, var_1_14=-1, var_1_15=10, var_1_16=8, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_2=1, var_1_3=0, var_1_4=0, var_1_5=4, var_1_7=1, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) [L106] RET assume_abort_if_not((var_1_12 >= -922337.2036854765600e+13F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 9223372.036854765600e+12F && var_1_12 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=1, var_1_11=73/10, var_1_12=2, var_1_13=644/5, var_1_14=-1, var_1_15=10, var_1_16=8, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_2=1, var_1_3=0, var_1_4=0, var_1_5=4, var_1_7=1, var_1_8=1, var_1_9=1] [L107] var_1_13 = __VERIFIER_nondet_double() [L108] CALL assume_abort_if_not((var_1_13 >= -922337.2036854765600e+13F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 9223372.036854765600e+12F && var_1_13 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=1, var_1_11=73/10, var_1_12=2, var_1_13=3, var_1_14=-1, var_1_15=10, var_1_16=8, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_2=1, var_1_3=0, var_1_4=0, var_1_5=4, var_1_7=1, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) [L108] RET assume_abort_if_not((var_1_13 >= -922337.2036854765600e+13F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 9223372.036854765600e+12F && var_1_13 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=1, var_1_11=73/10, var_1_12=2, var_1_13=3, var_1_14=-1, var_1_15=10, var_1_16=8, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_2=1, var_1_3=0, var_1_4=0, var_1_5=4, var_1_7=1, var_1_8=1, var_1_9=1] [L109] var_1_15 = __VERIFIER_nondet_char() [L110] CALL assume_abort_if_not(var_1_15 >= -127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=1, var_1_11=73/10, var_1_12=2, var_1_13=3, var_1_14=-1, var_1_15=0, var_1_16=8, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_2=1, var_1_3=0, var_1_4=0, var_1_5=4, var_1_7=1, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) [L110] RET assume_abort_if_not(var_1_15 >= -127) VAL [isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=1, var_1_11=73/10, var_1_12=2, var_1_13=3, var_1_14=-1, var_1_15=0, var_1_16=8, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_2=1, var_1_3=0, var_1_4=0, var_1_5=4, var_1_7=1, var_1_8=1, var_1_9=1] [L111] CALL assume_abort_if_not(var_1_15 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=1, var_1_11=73/10, var_1_12=2, var_1_13=3, var_1_14=-1, var_1_15=0, var_1_16=8, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_2=1, var_1_3=0, var_1_4=0, var_1_5=4, var_1_7=1, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) [L111] RET assume_abort_if_not(var_1_15 <= 126) VAL [isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=1, var_1_11=73/10, var_1_12=2, var_1_13=3, var_1_14=-1, var_1_15=0, var_1_16=8, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_2=1, var_1_3=0, var_1_4=0, var_1_5=4, var_1_7=1, var_1_8=1, var_1_9=1] [L112] var_1_19 = __VERIFIER_nondet_ulong() [L113] CALL assume_abort_if_not(var_1_19 >= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=1, var_1_11=73/10, var_1_12=2, var_1_13=3, var_1_14=-1, var_1_15=0, var_1_16=8, var_1_18=128, var_1_19=2147483647, var_1_1=25, var_1_2=1, var_1_3=0, var_1_4=0, var_1_5=4, var_1_7=1, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) [L113] RET assume_abort_if_not(var_1_19 >= 2147483647) VAL [isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=1, var_1_11=73/10, var_1_12=2, var_1_13=3, var_1_14=-1, var_1_15=0, var_1_16=8, var_1_18=128, var_1_19=2147483647, var_1_1=25, var_1_2=1, var_1_3=0, var_1_4=0, var_1_5=4, var_1_7=1, var_1_8=1, var_1_9=1] [L114] CALL assume_abort_if_not(var_1_19 <= 4294967294) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=1, var_1_11=73/10, var_1_12=2, var_1_13=3, var_1_14=-1, var_1_15=0, var_1_16=8, var_1_18=128, var_1_19=2147483647, var_1_1=25, var_1_2=1, var_1_3=0, var_1_4=0, var_1_5=4, var_1_7=1, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) [L114] RET assume_abort_if_not(var_1_19 <= 4294967294) VAL [isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=1, var_1_11=73/10, var_1_12=2, var_1_13=3, var_1_14=-1, var_1_15=0, var_1_16=8, var_1_18=128, var_1_19=2147483647, var_1_1=25, var_1_2=1, var_1_3=0, var_1_4=0, var_1_5=4, var_1_7=1, var_1_8=1, var_1_9=1] [L129] RET updateVariables() [L130] CALL step() [L44] unsigned char stepLocal_0 = last_1_var_1_8; [L45] COND TRUE stepLocal_0 && last_1_var_1_8 [L46] COND TRUE \read(last_1_var_1_8) [L47] var_1_5 = (((((last_1_var_1_14) < 0 ) ? -(last_1_var_1_14) : (last_1_var_1_14))) - ((((var_1_4) < (var_1_2)) ? (var_1_4) : (var_1_2)))) [L52] COND FALSE !(var_1_5 < var_1_3) [L55] var_1_8 = (! var_1_10) [L57] var_1_1 = (50 + ((((var_1_2) < (((((var_1_3) < (var_1_4)) ? (var_1_3) : (var_1_4))))) ? (var_1_2) : (((((var_1_3) < (var_1_4)) ? (var_1_3) : (var_1_4))))))) [L58] COND TRUE (64.4f + 1.5f) <= var_1_13 [L59] COND TRUE var_1_1 >= var_1_4 [L60] var_1_14 = var_1_15 [L63] unsigned char stepLocal_3 = var_1_9 && var_1_8; [L64] COND FALSE !(stepLocal_3 || (var_1_8 && var_1_10)) [L67] var_1_18 = var_1_2 [L69] signed long int stepLocal_1 = 8 + var_1_14; [L70] COND FALSE !(var_1_4 == stepLocal_1) [L73] EXPR var_1_15 & var_1_1 [L73] unsigned long int stepLocal_2 = var_1_18 * (var_1_15 & var_1_1); [L74] COND FALSE !(var_1_12 >= 9.6) [L130] RET step() [L131] CALL, EXPR property() [L121] EXPR (((((var_1_1 == ((unsigned char) (50 + ((((var_1_2) < (((((var_1_3) < (var_1_4)) ? (var_1_3) : (var_1_4))))) ? (var_1_2) : (((((var_1_3) < (var_1_4)) ? (var_1_3) : (var_1_4))))))))) && ((last_1_var_1_8 && last_1_var_1_8) ? (last_1_var_1_8 ? (var_1_5 == ((signed long int) (((((last_1_var_1_14) < 0 ) ? -(last_1_var_1_14) : (last_1_var_1_14))) - ((((var_1_4) < (var_1_2)) ? (var_1_4) : (var_1_2)))))) : (var_1_5 == ((signed long int) 8))) : 1)) && ((var_1_5 < var_1_3) ? (var_1_8 == ((unsigned char) ((var_1_7 || (last_1_var_1_8 || var_1_9)) && var_1_10))) : (var_1_8 == ((unsigned char) (! var_1_10))))) && ((var_1_4 == (8 + var_1_14)) ? (var_1_11 == ((double) ((((var_1_12) > (var_1_13)) ? (var_1_12) : (var_1_13))))) : 1)) && (((64.4f + 1.5f) <= var_1_13) ? ((var_1_1 >= var_1_4) ? (var_1_14 == ((signed char) var_1_15)) : 1) : 1)) && ((var_1_12 >= 9.6) ? (var_1_10 ? (var_1_16 == ((signed short int) (2 - var_1_1))) : (((var_1_18 * (var_1_15 & var_1_1)) <= var_1_3) ? (var_1_16 == ((signed short int) var_1_18)) : (var_1_16 == ((signed short int) var_1_4)))) : 1) [L121] EXPR (var_1_12 >= 9.6) ? (var_1_10 ? (var_1_16 == ((signed short int) (2 - var_1_1))) : (((var_1_18 * (var_1_15 & var_1_1)) <= var_1_3) ? (var_1_16 == ((signed short int) var_1_18)) : (var_1_16 == ((signed short int) var_1_4)))) : 1 [L121] EXPR var_1_10 ? (var_1_16 == ((signed short int) (2 - var_1_1))) : (((var_1_18 * (var_1_15 & var_1_1)) <= var_1_3) ? (var_1_16 == ((signed short int) var_1_18)) : (var_1_16 == ((signed short int) var_1_4))) [L121] EXPR (var_1_12 >= 9.6) ? (var_1_10 ? (var_1_16 == ((signed short int) (2 - var_1_1))) : (((var_1_18 * (var_1_15 & var_1_1)) <= var_1_3) ? (var_1_16 == ((signed short int) var_1_18)) : (var_1_16 == ((signed short int) var_1_4)))) : 1 [L121] EXPR (((((var_1_1 == ((unsigned char) (50 + ((((var_1_2) < (((((var_1_3) < (var_1_4)) ? (var_1_3) : (var_1_4))))) ? (var_1_2) : (((((var_1_3) < (var_1_4)) ? (var_1_3) : (var_1_4))))))))) && ((last_1_var_1_8 && last_1_var_1_8) ? (last_1_var_1_8 ? (var_1_5 == ((signed long int) (((((last_1_var_1_14) < 0 ) ? -(last_1_var_1_14) : (last_1_var_1_14))) - ((((var_1_4) < (var_1_2)) ? (var_1_4) : (var_1_2)))))) : (var_1_5 == ((signed long int) 8))) : 1)) && ((var_1_5 < var_1_3) ? (var_1_8 == ((unsigned char) ((var_1_7 || (last_1_var_1_8 || var_1_9)) && var_1_10))) : (var_1_8 == ((unsigned char) (! var_1_10))))) && ((var_1_4 == (8 + var_1_14)) ? (var_1_11 == ((double) ((((var_1_12) > (var_1_13)) ? (var_1_12) : (var_1_13))))) : 1)) && (((64.4f + 1.5f) <= var_1_13) ? ((var_1_1 >= var_1_4) ? (var_1_14 == ((signed char) var_1_15)) : 1) : 1)) && ((var_1_12 >= 9.6) ? (var_1_10 ? (var_1_16 == ((signed short int) (2 - var_1_1))) : (((var_1_18 * (var_1_15 & var_1_1)) <= var_1_3) ? (var_1_16 == ((signed short int) var_1_18)) : (var_1_16 == ((signed short int) var_1_4)))) : 1) [L121-L122] return ((((((var_1_1 == ((unsigned char) (50 + ((((var_1_2) < (((((var_1_3) < (var_1_4)) ? (var_1_3) : (var_1_4))))) ? (var_1_2) : (((((var_1_3) < (var_1_4)) ? (var_1_3) : (var_1_4))))))))) && ((last_1_var_1_8 && last_1_var_1_8) ? (last_1_var_1_8 ? (var_1_5 == ((signed long int) (((((last_1_var_1_14) < 0 ) ? -(last_1_var_1_14) : (last_1_var_1_14))) - ((((var_1_4) < (var_1_2)) ? (var_1_4) : (var_1_2)))))) : (var_1_5 == ((signed long int) 8))) : 1)) && ((var_1_5 < var_1_3) ? (var_1_8 == ((unsigned char) ((var_1_7 || (last_1_var_1_8 || var_1_9)) && var_1_10))) : (var_1_8 == ((unsigned char) (! var_1_10))))) && ((var_1_4 == (8 + var_1_14)) ? (var_1_11 == ((double) ((((var_1_12) > (var_1_13)) ? (var_1_12) : (var_1_13))))) : 1)) && (((64.4f + 1.5f) <= var_1_13) ? ((var_1_1 >= var_1_4) ? (var_1_14 == ((signed char) var_1_15)) : 1) : 1)) && ((var_1_12 >= 9.6) ? (var_1_10 ? (var_1_16 == ((signed short int) (2 - var_1_1))) : (((var_1_18 * (var_1_15 & var_1_1)) <= var_1_3) ? (var_1_16 == ((signed short int) var_1_18)) : (var_1_16 == ((signed short int) var_1_4)))) : 1)) && (((var_1_9 && var_1_8) || (var_1_8 && var_1_10)) ? (var_1_18 == ((unsigned long int) (var_1_19 - (((((1991720936u - var_1_1)) < (var_1_2)) ? ((1991720936u - var_1_1)) : (var_1_2)))))) : (var_1_18 == ((unsigned long int) var_1_2))) ; [L131] RET, EXPR property() [L131] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=1, var_1_11=73/10, var_1_12=2, var_1_13=3, var_1_14=0, var_1_15=0, var_1_16=8, var_1_18=1, var_1_19=2147483647, var_1_1=50, var_1_2=1, var_1_3=0, var_1_4=0, var_1_5=1, var_1_7=1, var_1_8=0, var_1_9=1] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=1, var_1_11=73/10, var_1_12=2, var_1_13=3, var_1_14=0, var_1_15=0, var_1_16=8, var_1_18=1, var_1_19=2147483647, var_1_1=50, var_1_2=1, var_1_3=0, var_1_4=0, var_1_5=1, var_1_7=1, var_1_8=0, var_1_9=1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 37 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.4s, OverallIterations: 1, TraceHistogramMax: 18, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=37occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 68 NumberOfCodeBlocks, 68 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 [2023-11-12 00:44:52,092 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66ec5477-6a14-4734-b5c0-9936d115be81/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66ec5477-6a14-4734-b5c0-9936d115be81/bin/utaipan-verify-NcY6lQBIFX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66ec5477-6a14-4734-b5c0-9936d115be81/bin/utaipan-verify-NcY6lQBIFX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66ec5477-6a14-4734-b5c0-9936d115be81/bin/utaipan-verify-NcY6lQBIFX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66ec5477-6a14-4734-b5c0-9936d115be81/bin/utaipan-verify-NcY6lQBIFX/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_normal_file-17.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66ec5477-6a14-4734-b5c0-9936d115be81/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66ec5477-6a14-4734-b5c0-9936d115be81/bin/utaipan-verify-NcY6lQBIFX --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 db4339d9c0024596d658d0411cbe4cbce1656ab1dc5134de3a6a8a906120bfe4 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 00:44:54,722 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 00:44:54,845 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66ec5477-6a14-4734-b5c0-9936d115be81/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2023-11-12 00:44:54,853 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 00:44:54,854 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 00:44:54,900 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 00:44:54,901 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 00:44:54,901 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 00:44:54,902 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 00:44:54,907 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 00:44:54,908 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-12 00:44:54,908 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-12 00:44:54,909 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-12 00:44:54,910 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-12 00:44:54,911 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-12 00:44:54,911 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-12 00:44:54,912 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 00:44:54,913 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 00:44:54,913 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-12 00:44:54,914 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-12 00:44:54,915 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 00:44:54,916 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 00:44:54,916 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 00:44:54,916 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 00:44:54,917 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-12 00:44:54,917 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-12 00:44:54,918 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-12 00:44:54,918 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-12 00:44:54,919 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 00:44:54,919 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 00:44:54,921 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 00:44:54,921 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-12 00:44:54,921 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 00:44:54,922 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 00:44:54,922 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 00:44:54,922 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 00:44:54,923 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 00:44:54,923 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-12 00:44:54,923 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-12 00:44:54,924 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 00:44:54,925 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-12 00:44:54,925 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 00:44:54,925 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_66ec5477-6a14-4734-b5c0-9936d115be81/bin/utaipan-verify-NcY6lQBIFX/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66ec5477-6a14-4734-b5c0-9936d115be81/bin/utaipan-verify-NcY6lQBIFX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> db4339d9c0024596d658d0411cbe4cbce1656ab1dc5134de3a6a8a906120bfe4 [2023-11-12 00:44:55,390 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 00:44:55,426 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 00:44:55,429 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 00:44:55,431 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 00:44:55,431 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 00:44:55,433 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66ec5477-6a14-4734-b5c0-9936d115be81/bin/utaipan-verify-NcY6lQBIFX/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_normal_file-17.i [2023-11-12 00:44:58,614 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 00:44:58,913 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 00:44:58,913 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66ec5477-6a14-4734-b5c0-9936d115be81/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_normal_file-17.i [2023-11-12 00:44:58,923 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66ec5477-6a14-4734-b5c0-9936d115be81/bin/utaipan-verify-NcY6lQBIFX/data/b968ee7bb/ff7e9fd25f9b446387e9fc93bbf6fa6d/FLAG18aa410b8 [2023-11-12 00:44:58,938 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66ec5477-6a14-4734-b5c0-9936d115be81/bin/utaipan-verify-NcY6lQBIFX/data/b968ee7bb/ff7e9fd25f9b446387e9fc93bbf6fa6d [2023-11-12 00:44:58,940 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 00:44:58,942 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 00:44:58,943 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 00:44:58,943 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 00:44:58,949 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 00:44:58,949 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:44:58" (1/1) ... [2023-11-12 00:44:58,950 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5a26fc62 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:44:58, skipping insertion in model container [2023-11-12 00:44:58,951 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:44:58" (1/1) ... [2023-11-12 00:44:58,983 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 00:44:59,128 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_66ec5477-6a14-4734-b5c0-9936d115be81/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_normal_file-17.i[913,926] [2023-11-12 00:44:59,185 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:44:59,209 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 00:44:59,224 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_66ec5477-6a14-4734-b5c0-9936d115be81/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_normal_file-17.i[913,926] [2023-11-12 00:44:59,253 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:44:59,285 INFO L206 MainTranslator]: Completed translation [2023-11-12 00:44:59,285 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:44:59 WrapperNode [2023-11-12 00:44:59,285 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 00:44:59,286 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 00:44:59,287 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 00:44:59,287 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 00:44:59,297 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:44:59" (1/1) ... [2023-11-12 00:44:59,328 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:44:59" (1/1) ... [2023-11-12 00:44:59,391 INFO L138 Inliner]: procedures = 27, calls = 31, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 129 [2023-11-12 00:44:59,393 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 00:44:59,394 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 00:44:59,395 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 00:44:59,395 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 00:44:59,417 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:44:59" (1/1) ... [2023-11-12 00:44:59,418 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:44:59" (1/1) ... [2023-11-12 00:44:59,427 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:44:59" (1/1) ... [2023-11-12 00:44:59,430 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:44:59" (1/1) ... [2023-11-12 00:44:59,446 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:44:59" (1/1) ... [2023-11-12 00:44:59,462 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:44:59" (1/1) ... [2023-11-12 00:44:59,465 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:44:59" (1/1) ... [2023-11-12 00:44:59,478 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:44:59" (1/1) ... [2023-11-12 00:44:59,482 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 00:44:59,483 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 00:44:59,483 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 00:44:59,483 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 00:44:59,484 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:44:59" (1/1) ... [2023-11-12 00:44:59,494 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 00:44:59,507 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66ec5477-6a14-4734-b5c0-9936d115be81/bin/utaipan-verify-NcY6lQBIFX/z3 [2023-11-12 00:44:59,519 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66ec5477-6a14-4734-b5c0-9936d115be81/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-12 00:44:59,526 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66ec5477-6a14-4734-b5c0-9936d115be81/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-12 00:44:59,552 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 00:44:59,553 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-12 00:44:59,553 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-12 00:44:59,553 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-12 00:44:59,553 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 00:44:59,553 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 00:44:59,643 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 00:44:59,645 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 00:45:00,465 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 00:45:00,472 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 00:45:00,472 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-12 00:45:00,475 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:45:00 BoogieIcfgContainer [2023-11-12 00:45:00,475 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 00:45:00,501 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-12 00:45:00,501 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-12 00:45:00,504 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-12 00:45:00,504 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 12:44:58" (1/3) ... [2023-11-12 00:45:00,505 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6003d592 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:45:00, skipping insertion in model container [2023-11-12 00:45:00,505 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:44:59" (2/3) ... [2023-11-12 00:45:00,506 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6003d592 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:45:00, skipping insertion in model container [2023-11-12 00:45:00,506 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:45:00" (3/3) ... [2023-11-12 00:45:00,507 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodesize_normal_file-17.i [2023-11-12 00:45:00,528 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-12 00:45:00,528 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-12 00:45:00,582 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-12 00:45:00,589 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;@5ed2dd6d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-12 00:45:00,589 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-12 00:45:00,594 INFO L276 IsEmpty]: Start isEmpty. Operand has 61 states, 40 states have (on average 1.375) internal successors, (55), 41 states have internal predecessors, (55), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2023-11-12 00:45:00,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2023-11-12 00:45:00,610 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:45:00,611 INFO L195 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 00:45:00,611 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 00:45:00,617 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:45:00,618 INFO L85 PathProgramCache]: Analyzing trace with hash 558496771, now seen corresponding path program 1 times [2023-11-12 00:45:00,633 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-12 00:45:00,634 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [574517539] [2023-11-12 00:45:00,634 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:45:00,635 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 [2023-11-12 00:45:00,635 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66ec5477-6a14-4734-b5c0-9936d115be81/bin/utaipan-verify-NcY6lQBIFX/mathsat [2023-11-12 00:45:00,643 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66ec5477-6a14-4734-b5c0-9936d115be81/bin/utaipan-verify-NcY6lQBIFX/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) [2023-11-12 00:45:00,683 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66ec5477-6a14-4734-b5c0-9936d115be81/bin/utaipan-verify-NcY6lQBIFX/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 [2023-11-12 00:45:00,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:45:00,942 INFO L262 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-12 00:45:00,953 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:45:01,036 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 322 proven. 0 refuted. 0 times theorem prover too weak. 290 trivial. 0 not checked. [2023-11-12 00:45:01,040 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-12 00:45:01,041 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-12 00:45:01,042 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [574517539] [2023-11-12 00:45:01,042 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [574517539] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 00:45:01,043 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 00:45:01,043 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-12 00:45:01,045 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [672078147] [2023-11-12 00:45:01,046 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 00:45:01,054 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-12 00:45:01,054 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-12 00:45:01,099 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-12 00:45:01,101 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-12 00:45:01,103 INFO L87 Difference]: Start difference. First operand has 61 states, 40 states have (on average 1.375) internal successors, (55), 41 states have internal predecessors, (55), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) Second operand has 2 states, 2 states have (on average 18.0) internal successors, (36), 2 states have internal predecessors, (36), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2023-11-12 00:45:01,148 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 00:45:01,148 INFO L93 Difference]: Finished difference Result 115 states and 194 transitions. [2023-11-12 00:45:01,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-12 00:45:01,150 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 18.0) internal successors, (36), 2 states have internal predecessors, (36), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 119 [2023-11-12 00:45:01,151 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 00:45:01,158 INFO L225 Difference]: With dead ends: 115 [2023-11-12 00:45:01,159 INFO L226 Difference]: Without dead ends: 57 [2023-11-12 00:45:01,163 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 [2023-11-12 00:45:01,167 INFO L413 NwaCegarLoop]: 84 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 84 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-12 00:45:01,168 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 84 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-12 00:45:01,186 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2023-11-12 00:45:01,212 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 57. [2023-11-12 00:45:01,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 57 states, 37 states have (on average 1.2972972972972974) internal successors, (48), 37 states have internal predecessors, (48), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2023-11-12 00:45:01,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 84 transitions. [2023-11-12 00:45:01,220 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 84 transitions. Word has length 119 [2023-11-12 00:45:01,221 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 00:45:01,221 INFO L495 AbstractCegarLoop]: Abstraction has 57 states and 84 transitions. [2023-11-12 00:45:01,221 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 18.0) internal successors, (36), 2 states have internal predecessors, (36), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2023-11-12 00:45:01,222 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 84 transitions. [2023-11-12 00:45:01,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2023-11-12 00:45:01,235 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:45:01,236 INFO L195 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 00:45:01,257 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66ec5477-6a14-4734-b5c0-9936d115be81/bin/utaipan-verify-NcY6lQBIFX/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 [2023-11-12 00:45:01,451 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66ec5477-6a14-4734-b5c0-9936d115be81/bin/utaipan-verify-NcY6lQBIFX/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 [2023-11-12 00:45:01,451 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 00:45:01,452 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:45:01,452 INFO L85 PathProgramCache]: Analyzing trace with hash 640030975, now seen corresponding path program 1 times [2023-11-12 00:45:01,453 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-12 00:45:01,453 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [669928913] [2023-11-12 00:45:01,453 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:45:01,454 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 [2023-11-12 00:45:01,454 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66ec5477-6a14-4734-b5c0-9936d115be81/bin/utaipan-verify-NcY6lQBIFX/mathsat [2023-11-12 00:45:01,455 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66ec5477-6a14-4734-b5c0-9936d115be81/bin/utaipan-verify-NcY6lQBIFX/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) [2023-11-12 00:45:01,460 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66ec5477-6a14-4734-b5c0-9936d115be81/bin/utaipan-verify-NcY6lQBIFX/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 [2023-11-12 00:45:01,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:45:01,667 INFO L262 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-12 00:45:01,675 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:45:02,067 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2023-11-12 00:45:02,068 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-12 00:45:02,068 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-12 00:45:02,068 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [669928913] [2023-11-12 00:45:02,069 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [669928913] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 00:45:02,070 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 00:45:02,070 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-12 00:45:02,074 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [991184730] [2023-11-12 00:45:02,074 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 00:45:02,087 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-12 00:45:02,087 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-12 00:45:02,088 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-12 00:45:02,088 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-11-12 00:45:02,089 INFO L87 Difference]: Start difference. First operand 57 states and 84 transitions. Second operand has 5 states, 5 states have (on average 6.4) internal successors, (32), 4 states have internal predecessors, (32), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2023-11-12 00:45:03,202 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 00:45:03,202 INFO L93 Difference]: Finished difference Result 166 states and 247 transitions. [2023-11-12 00:45:03,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-12 00:45:03,211 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.4) internal successors, (32), 4 states have internal predecessors, (32), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) Word has length 119 [2023-11-12 00:45:03,213 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 00:45:03,215 INFO L225 Difference]: With dead ends: 166 [2023-11-12 00:45:03,215 INFO L226 Difference]: Without dead ends: 112 [2023-11-12 00:45:03,217 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 120 GetRequests, 115 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2023-11-12 00:45:03,218 INFO L413 NwaCegarLoop]: 78 mSDtfsCounter, 69 mSDsluCounter, 167 mSDsCounter, 0 mSdLazyCounter, 60 mSolverCounterSat, 38 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 69 SdHoareTripleChecker+Valid, 245 SdHoareTripleChecker+Invalid, 98 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 60 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2023-11-12 00:45:03,219 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [69 Valid, 245 Invalid, 98 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 60 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2023-11-12 00:45:03,220 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 112 states. [2023-11-12 00:45:03,247 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 112 to 93. [2023-11-12 00:45:03,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 93 states, 54 states have (on average 1.2037037037037037) internal successors, (65), 54 states have internal predecessors, (65), 36 states have call successors, (36), 2 states have call predecessors, (36), 2 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) [2023-11-12 00:45:03,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 137 transitions. [2023-11-12 00:45:03,251 INFO L78 Accepts]: Start accepts. Automaton has 93 states and 137 transitions. Word has length 119 [2023-11-12 00:45:03,252 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 00:45:03,252 INFO L495 AbstractCegarLoop]: Abstraction has 93 states and 137 transitions. [2023-11-12 00:45:03,252 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.4) internal successors, (32), 4 states have internal predecessors, (32), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2023-11-12 00:45:03,252 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 137 transitions. [2023-11-12 00:45:03,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2023-11-12 00:45:03,255 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:45:03,255 INFO L195 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 00:45:03,275 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66ec5477-6a14-4734-b5c0-9936d115be81/bin/utaipan-verify-NcY6lQBIFX/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 [2023-11-12 00:45:03,475 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66ec5477-6a14-4734-b5c0-9936d115be81/bin/utaipan-verify-NcY6lQBIFX/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 [2023-11-12 00:45:03,475 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 00:45:03,476 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:45:03,476 INFO L85 PathProgramCache]: Analyzing trace with hash -1847668821, now seen corresponding path program 1 times [2023-11-12 00:45:03,477 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-12 00:45:03,477 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1072536031] [2023-11-12 00:45:03,477 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:45:03,478 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 [2023-11-12 00:45:03,478 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66ec5477-6a14-4734-b5c0-9936d115be81/bin/utaipan-verify-NcY6lQBIFX/mathsat [2023-11-12 00:45:03,479 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66ec5477-6a14-4734-b5c0-9936d115be81/bin/utaipan-verify-NcY6lQBIFX/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) [2023-11-12 00:45:03,480 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66ec5477-6a14-4734-b5c0-9936d115be81/bin/utaipan-verify-NcY6lQBIFX/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 [2023-11-12 00:45:03,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:45:03,769 INFO L262 TraceCheckSpWp]: Trace formula consists of 197 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-12 00:45:03,776 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:45:04,993 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 362 proven. 45 refuted. 0 times theorem prover too weak. 205 trivial. 0 not checked. [2023-11-12 00:45:04,994 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-12 00:45:05,717 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 51 proven. 48 refuted. 0 times theorem prover too weak. 513 trivial. 0 not checked. [2023-11-12 00:45:05,717 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-12 00:45:05,717 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1072536031] [2023-11-12 00:45:05,717 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1072536031] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-12 00:45:05,718 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1938698875] [2023-11-12 00:45:05,718 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:45:05,718 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-12 00:45:05,718 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66ec5477-6a14-4734-b5c0-9936d115be81/bin/utaipan-verify-NcY6lQBIFX/cvc4 [2023-11-12 00:45:05,721 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66ec5477-6a14-4734-b5c0-9936d115be81/bin/utaipan-verify-NcY6lQBIFX/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-12 00:45:05,749 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66ec5477-6a14-4734-b5c0-9936d115be81/bin/utaipan-verify-NcY6lQBIFX/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2023-11-12 00:45:06,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:45:06,599 INFO L262 TraceCheckSpWp]: Trace formula consists of 197 conjuncts, 14 conjunts are in the unsatisfiable core [2023-11-12 00:45:06,605 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:45:07,569 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 345 proven. 63 refuted. 0 times theorem prover too weak. 204 trivial. 0 not checked. [2023-11-12 00:45:07,569 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-12 00:45:07,995 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 51 proven. 48 refuted. 0 times theorem prover too weak. 513 trivial. 0 not checked. [2023-11-12 00:45:07,996 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1938698875] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-12 00:45:07,996 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2002961351] [2023-11-12 00:45:07,996 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:45:07,997 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 00:45:07,997 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66ec5477-6a14-4734-b5c0-9936d115be81/bin/utaipan-verify-NcY6lQBIFX/z3 [2023-11-12 00:45:08,007 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66ec5477-6a14-4734-b5c0-9936d115be81/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-12 00:45:08,031 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66ec5477-6a14-4734-b5c0-9936d115be81/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-11-12 00:45:08,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:45:08,216 INFO L262 TraceCheckSpWp]: Trace formula consists of 197 conjuncts, 18 conjunts are in the unsatisfiable core [2023-11-12 00:45:08,221 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:45:09,849 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 360 proven. 72 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2023-11-12 00:45:09,850 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-12 00:45:10,893 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 78 proven. 66 refuted. 0 times theorem prover too weak. 468 trivial. 0 not checked. [2023-11-12 00:45:10,893 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2002961351] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-12 00:45:10,893 INFO L185 FreeRefinementEngine]: Found 0 perfect and 6 imperfect interpolant sequences. [2023-11-12 00:45:10,894 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 10, 14, 10, 17, 14] total 46 [2023-11-12 00:45:10,894 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2108843822] [2023-11-12 00:45:10,894 INFO L85 oduleStraightlineAll]: Using 6 imperfect interpolants to construct interpolant automaton [2023-11-12 00:45:10,896 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 46 states [2023-11-12 00:45:10,897 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-12 00:45:10,899 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 46 interpolants. [2023-11-12 00:45:10,900 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=511, Invalid=1559, Unknown=0, NotChecked=0, Total=2070 [2023-11-12 00:45:10,901 INFO L87 Difference]: Start difference. First operand 93 states and 137 transitions. Second operand has 46 states, 45 states have (on average 2.977777777777778) internal successors, (134), 44 states have internal predecessors, (134), 14 states have call successors, (62), 10 states have call predecessors, (62), 18 states have return successors, (65), 14 states have call predecessors, (65), 14 states have call successors, (65) [2023-11-12 00:45:15,725 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 00:45:15,725 INFO L93 Difference]: Finished difference Result 336 states and 455 transitions. [2023-11-12 00:45:15,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2023-11-12 00:45:15,726 INFO L78 Accepts]: Start accepts. Automaton has has 46 states, 45 states have (on average 2.977777777777778) internal successors, (134), 44 states have internal predecessors, (134), 14 states have call successors, (62), 10 states have call predecessors, (62), 18 states have return successors, (65), 14 states have call predecessors, (65), 14 states have call successors, (65) Word has length 120 [2023-11-12 00:45:15,727 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 00:45:15,732 INFO L225 Difference]: With dead ends: 336 [2023-11-12 00:45:15,732 INFO L226 Difference]: Without dead ends: 282 [2023-11-12 00:45:15,737 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 755 GetRequests, 672 SyntacticMatches, 2 SemanticMatches, 81 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2218 ImplicationChecksByTransitivity, 3.0s TimeCoverageRelationStatistics Valid=1660, Invalid=5146, Unknown=0, NotChecked=0, Total=6806 [2023-11-12 00:45:15,738 INFO L413 NwaCegarLoop]: 72 mSDtfsCounter, 634 mSDsluCounter, 565 mSDsCounter, 0 mSdLazyCounter, 1035 mSolverCounterSat, 330 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 643 SdHoareTripleChecker+Valid, 637 SdHoareTripleChecker+Invalid, 1365 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 330 IncrementalHoareTripleChecker+Valid, 1035 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.3s IncrementalHoareTripleChecker+Time [2023-11-12 00:45:15,739 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [643 Valid, 637 Invalid, 1365 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [330 Valid, 1035 Invalid, 0 Unknown, 0 Unchecked, 3.3s Time] [2023-11-12 00:45:15,740 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 282 states. [2023-11-12 00:45:15,780 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 282 to 213. [2023-11-12 00:45:15,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 213 states, 136 states have (on average 1.1470588235294117) internal successors, (156), 137 states have internal predecessors, (156), 62 states have call successors, (62), 14 states have call predecessors, (62), 14 states have return successors, (62), 61 states have call predecessors, (62), 62 states have call successors, (62) [2023-11-12 00:45:15,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 213 states and 280 transitions. [2023-11-12 00:45:15,785 INFO L78 Accepts]: Start accepts. Automaton has 213 states and 280 transitions. Word has length 120 [2023-11-12 00:45:15,786 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 00:45:15,786 INFO L495 AbstractCegarLoop]: Abstraction has 213 states and 280 transitions. [2023-11-12 00:45:15,787 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 46 states, 45 states have (on average 2.977777777777778) internal successors, (134), 44 states have internal predecessors, (134), 14 states have call successors, (62), 10 states have call predecessors, (62), 18 states have return successors, (65), 14 states have call predecessors, (65), 14 states have call successors, (65) [2023-11-12 00:45:15,787 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 280 transitions. [2023-11-12 00:45:15,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2023-11-12 00:45:15,790 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:45:15,790 INFO L195 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 00:45:15,807 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66ec5477-6a14-4734-b5c0-9936d115be81/bin/utaipan-verify-NcY6lQBIFX/cvc4 --incremental --print-success --lang smt (5)] Forceful destruction successful, exit code 0 [2023-11-12 00:45:16,011 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66ec5477-6a14-4734-b5c0-9936d115be81/bin/utaipan-verify-NcY6lQBIFX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2023-11-12 00:45:16,209 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66ec5477-6a14-4734-b5c0-9936d115be81/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2023-11-12 00:45:16,400 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66ec5477-6a14-4734-b5c0-9936d115be81/bin/utaipan-verify-NcY6lQBIFX/cvc4 --incremental --print-success --lang smt,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66ec5477-6a14-4734-b5c0-9936d115be81/bin/utaipan-verify-NcY6lQBIFX/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 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66ec5477-6a14-4734-b5c0-9936d115be81/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 00:45:16,400 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 00:45:16,401 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:45:16,401 INFO L85 PathProgramCache]: Analyzing trace with hash 1767240105, now seen corresponding path program 1 times [2023-11-12 00:45:16,401 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-12 00:45:16,402 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [925207058] [2023-11-12 00:45:16,402 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:45:16,402 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 [2023-11-12 00:45:16,402 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66ec5477-6a14-4734-b5c0-9936d115be81/bin/utaipan-verify-NcY6lQBIFX/mathsat [2023-11-12 00:45:16,403 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66ec5477-6a14-4734-b5c0-9936d115be81/bin/utaipan-verify-NcY6lQBIFX/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) [2023-11-12 00:45:16,414 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66ec5477-6a14-4734-b5c0-9936d115be81/bin/utaipan-verify-NcY6lQBIFX/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 [2023-11-12 00:45:16,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:45:16,582 INFO L262 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 28 conjunts are in the unsatisfiable core [2023-11-12 00:45:16,588 INFO L285 TraceCheckSpWp]: Computing forward predicates...