./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-co_file-11.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 30e01a73 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad0860b4-7e7d-45dd-a418-45abc8198ba3/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad0860b4-7e7d-45dd-a418-45abc8198ba3/bin/utaipan-verify-mE87zJ7Ire/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad0860b4-7e7d-45dd-a418-45abc8198ba3/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad0860b4-7e7d-45dd-a418-45abc8198ba3/bin/utaipan-verify-mE87zJ7Ire/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-co_file-11.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad0860b4-7e7d-45dd-a418-45abc8198ba3/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad0860b4-7e7d-45dd-a418-45abc8198ba3/bin/utaipan-verify-mE87zJ7Ire --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 6d1e5e5cc6398246832802a812900af1b138e1125bfe18c91f7c567300bec7d3 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 21:09:39,512 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 21:09:39,633 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad0860b4-7e7d-45dd-a418-45abc8198ba3/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-11-23 21:09:39,640 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 21:09:39,641 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 21:09:39,682 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 21:09:39,683 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 21:09:39,683 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 21:09:39,685 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 21:09:39,690 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 21:09:39,690 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 21:09:39,691 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 21:09:39,692 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 21:09:39,694 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-23 21:09:39,694 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 21:09:39,695 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 21:09:39,695 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-23 21:09:39,695 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-23 21:09:39,696 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 21:09:39,696 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-23 21:09:39,697 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-23 21:09:39,698 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-23 21:09:39,699 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 21:09:39,699 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 21:09:39,700 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 21:09:39,700 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 21:09:39,701 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 21:09:39,701 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 21:09:39,702 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 21:09:39,702 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 21:09:39,703 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 21:09:39,704 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 21:09:39,704 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 21:09:39,704 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 21:09:39,705 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 21:09:39,705 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 21:09:39,705 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 21:09:39,705 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:09:39,706 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 21:09:39,706 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 21:09:39,706 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 21:09:39,707 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-23 21:09:39,707 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 21:09:39,707 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 21:09:39,708 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 21:09:39,708 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 21:09:39,708 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 21:09:39,709 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_ad0860b4-7e7d-45dd-a418-45abc8198ba3/bin/utaipan-verify-mE87zJ7Ire/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad0860b4-7e7d-45dd-a418-45abc8198ba3/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6d1e5e5cc6398246832802a812900af1b138e1125bfe18c91f7c567300bec7d3 [2023-11-23 21:09:40,043 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 21:09:40,066 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 21:09:40,069 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 21:09:40,070 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 21:09:40,071 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 21:09:40,072 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad0860b4-7e7d-45dd-a418-45abc8198ba3/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-co_file-11.i [2023-11-23 21:09:43,190 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 21:09:43,408 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 21:09:43,425 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad0860b4-7e7d-45dd-a418-45abc8198ba3/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-co_file-11.i [2023-11-23 21:09:43,436 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad0860b4-7e7d-45dd-a418-45abc8198ba3/bin/utaipan-verify-mE87zJ7Ire/data/52aece985/e9a38dc7191c4856939408256748cafc/FLAGbc0f196c6 [2023-11-23 21:09:43,448 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad0860b4-7e7d-45dd-a418-45abc8198ba3/bin/utaipan-verify-mE87zJ7Ire/data/52aece985/e9a38dc7191c4856939408256748cafc [2023-11-23 21:09:43,451 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 21:09:43,452 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 21:09:43,454 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 21:09:43,455 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 21:09:43,463 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 21:09:43,463 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:09:43" (1/1) ... [2023-11-23 21:09:43,465 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2a26510a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:09:43, skipping insertion in model container [2023-11-23 21:09:43,465 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:09:43" (1/1) ... [2023-11-23 21:09:43,515 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 21:09:43,684 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_ad0860b4-7e7d-45dd-a418-45abc8198ba3/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-co_file-11.i[919,932] [2023-11-23 21:09:43,758 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:09:43,775 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 21:09:43,789 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_ad0860b4-7e7d-45dd-a418-45abc8198ba3/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-co_file-11.i[919,932] [2023-11-23 21:09:43,870 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:09:43,910 INFO L206 MainTranslator]: Completed translation [2023-11-23 21:09:43,911 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:09:43 WrapperNode [2023-11-23 21:09:43,911 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 21:09:43,912 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 21:09:43,912 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 21:09:43,912 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 21:09:43,920 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:09:43" (1/1) ... [2023-11-23 21:09:43,933 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:09:43" (1/1) ... [2023-11-23 21:09:43,976 INFO L138 Inliner]: procedures = 26, calls = 40, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 216 [2023-11-23 21:09:43,977 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 21:09:43,978 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 21:09:43,978 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 21:09:43,978 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 21:09:43,988 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:09:43" (1/1) ... [2023-11-23 21:09:43,989 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:09:43" (1/1) ... [2023-11-23 21:09:43,993 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:09:43" (1/1) ... [2023-11-23 21:09:43,993 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:09:43" (1/1) ... [2023-11-23 21:09:44,003 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:09:43" (1/1) ... [2023-11-23 21:09:44,008 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:09:43" (1/1) ... [2023-11-23 21:09:44,010 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:09:43" (1/1) ... [2023-11-23 21:09:44,013 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:09:43" (1/1) ... [2023-11-23 21:09:44,017 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 21:09:44,018 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 21:09:44,018 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 21:09:44,018 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 21:09:44,019 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:09:43" (1/1) ... [2023-11-23 21:09:44,035 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:09:44,051 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad0860b4-7e7d-45dd-a418-45abc8198ba3/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:09:44,062 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad0860b4-7e7d-45dd-a418-45abc8198ba3/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 21:09:44,065 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad0860b4-7e7d-45dd-a418-45abc8198ba3/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 21:09:44,098 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 21:09:44,098 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-23 21:09:44,099 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-23 21:09:44,099 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 21:09:44,101 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 21:09:44,102 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 21:09:44,186 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 21:09:44,187 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 21:09:44,726 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 21:09:45,142 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 21:09:45,142 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-23 21:09:45,144 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:09:45 BoogieIcfgContainer [2023-11-23 21:09:45,144 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 21:09:45,148 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 21:09:45,148 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 21:09:45,152 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 21:09:45,152 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 09:09:43" (1/3) ... [2023-11-23 21:09:45,153 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@777ea310 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:09:45, skipping insertion in model container [2023-11-23 21:09:45,154 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:09:43" (2/3) ... [2023-11-23 21:09:45,156 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@777ea310 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:09:45, skipping insertion in model container [2023-11-23 21:09:45,157 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:09:45" (3/3) ... [2023-11-23 21:09:45,158 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-ps-co_file-11.i [2023-11-23 21:09:45,182 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 21:09:45,183 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-23 21:09:45,251 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 21:09:45,259 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;@31ff69b4, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 21:09:45,260 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-23 21:09:45,265 INFO L276 IsEmpty]: Start isEmpty. Operand has 51 states, 21 states have (on average 1.1428571428571428) internal successors, (24), 22 states have internal predecessors, (24), 27 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2023-11-23 21:09:45,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2023-11-23 21:09:45,281 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:09:45,282 INFO L195 NwaCegarLoop]: trace histogram [27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:09:45,284 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:09:45,293 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:09:45,294 INFO L85 PathProgramCache]: Analyzing trace with hash 255530564, now seen corresponding path program 1 times [2023-11-23 21:09:45,304 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 21:09:45,305 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [777877393] [2023-11-23 21:09:45,305 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:09:45,306 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:09:46,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 21:09:46,513 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-23 21:09:46,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 21:09:47,068 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-11-23 21:09:47,071 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-23 21:09:47,072 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-23 21:09:47,075 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-23 21:09:47,083 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-23 21:09:47,093 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-23 21:09:47,256 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 09:09:47 BoogieIcfgContainer [2023-11-23 21:09:47,256 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-23 21:09:47,258 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-23 21:09:47,259 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-23 21:09:47,259 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-23 21:09:47,259 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:09:45" (3/4) ... [2023-11-23 21:09:47,263 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-23 21:09:47,265 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-23 21:09:47,266 INFO L158 Benchmark]: Toolchain (without parser) took 3813.59ms. Allocated memory was 127.9MB in the beginning and 163.6MB in the end (delta: 35.7MB). Free memory was 73.6MB in the beginning and 68.6MB in the end (delta: 5.0MB). Peak memory consumption was 42.2MB. Max. memory is 16.1GB. [2023-11-23 21:09:47,267 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 127.9MB. Free memory is still 79.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 21:09:47,268 INFO L158 Benchmark]: CACSL2BoogieTranslator took 457.14ms. Allocated memory is still 127.9MB. Free memory was 73.4MB in the beginning and 98.1MB in the end (delta: -24.6MB). Peak memory consumption was 21.1MB. Max. memory is 16.1GB. [2023-11-23 21:09:47,269 INFO L158 Benchmark]: Boogie Procedure Inliner took 65.09ms. Allocated memory is still 127.9MB. Free memory was 98.1MB in the beginning and 95.5MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 21:09:47,270 INFO L158 Benchmark]: Boogie Preprocessor took 39.39ms. Allocated memory is still 127.9MB. Free memory was 95.5MB in the beginning and 93.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 21:09:47,274 INFO L158 Benchmark]: RCFGBuilder took 1126.64ms. Allocated memory was 127.9MB in the beginning and 163.6MB in the end (delta: 35.7MB). Free memory was 93.4MB in the beginning and 108.2MB in the end (delta: -14.8MB). Peak memory consumption was 40.4MB. Max. memory is 16.1GB. [2023-11-23 21:09:47,276 INFO L158 Benchmark]: TraceAbstraction took 2109.06ms. Allocated memory is still 163.6MB. Free memory was 107.4MB in the beginning and 68.6MB in the end (delta: 38.8MB). Peak memory consumption was 64.6MB. Max. memory is 16.1GB. [2023-11-23 21:09:47,277 INFO L158 Benchmark]: Witness Printer took 6.58ms. Allocated memory is still 163.6MB. Free memory was 68.6MB in the beginning and 68.6MB in the end (delta: 2.7kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 21:09:47,285 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 127.9MB. Free memory is still 79.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 457.14ms. Allocated memory is still 127.9MB. Free memory was 73.4MB in the beginning and 98.1MB in the end (delta: -24.6MB). Peak memory consumption was 21.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 65.09ms. Allocated memory is still 127.9MB. Free memory was 98.1MB in the beginning and 95.5MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 39.39ms. Allocated memory is still 127.9MB. Free memory was 95.5MB in the beginning and 93.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1126.64ms. Allocated memory was 127.9MB in the beginning and 163.6MB in the end (delta: 35.7MB). Free memory was 93.4MB in the beginning and 108.2MB in the end (delta: -14.8MB). Peak memory consumption was 40.4MB. Max. memory is 16.1GB. * TraceAbstraction took 2109.06ms. Allocated memory is still 163.6MB. Free memory was 107.4MB in the beginning and 68.6MB in the end (delta: 38.8MB). Peak memory consumption was 64.6MB. Max. memory is 16.1GB. * Witness Printer took 6.58ms. Allocated memory is still 163.6MB. Free memory was 68.6MB in the beginning and 68.6MB in the end (delta: 2.7kB). 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 someBinaryFLOATComparisonOperation at line 73, overapproximation of shiftRight at line 65, overapproximation of someUnaryDOUBLEoperation at line 115, overapproximation of someBinaryDOUBLEComparisonOperation at line 89, overapproximation of someBinaryArithmeticFLOAToperation at line 73. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned char var_1_1 = 1; [L23] unsigned char var_1_2 = 0; [L24] unsigned char var_1_3 = 0; [L25] signed char var_1_4 = 5; [L26] signed char var_1_7 = 0; [L27] signed char var_1_8 = 16; [L28] signed char var_1_9 = 4; [L29] unsigned long int var_1_10 = 128; [L30] unsigned long int var_1_11 = 1422462314; [L31] signed short int var_1_12 = 8; [L32] signed short int var_1_15 = -50; [L33] unsigned long int var_1_16 = 1; [L34] unsigned long int var_1_17 = 3609236770; [L35] unsigned long int var_1_18 = 2902762324; [L36] double var_1_19 = 3.8; [L37] double var_1_20 = 255.75; [L38] unsigned short int var_1_21 = 0; [L39] signed char var_1_22 = -8; [L40] signed long int var_1_23 = -32; [L41] unsigned char var_1_25 = 10; [L42] unsigned char var_1_27 = 128; [L43] unsigned char var_1_28 = 100; [L44] float var_1_30 = 31.3; [L45] float var_1_31 = 1.5; [L46] float var_1_32 = 15.25; [L47] double var_1_33 = 128.8; [L48] signed char var_1_34 = 4; [L49] signed char var_1_35 = 1; [L50] unsigned char var_1_36 = 16; [L51] unsigned long int last_1_var_1_10 = 128; [L52] unsigned long int last_1_var_1_16 = 1; [L53] double last_1_var_1_19 = 3.8; [L195] isInitial = 1 [L196] FCALL initially() [L197] COND TRUE 1 [L198] CALL updateLastVariables() [L186] last_1_var_1_10 = var_1_10 [L187] last_1_var_1_16 = var_1_16 [L188] last_1_var_1_19 = var_1_19 [L198] RET updateLastVariables() [L199] CALL updateVariables() [L142] var_1_2 = __VERIFIER_nondet_uchar() [L143] CALL assume_abort_if_not(var_1_2 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=1422462314, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_22=-8, var_1_23=-32, var_1_25=10, var_1_27=128, var_1_28=100, var_1_30=313/10, var_1_31=3/2, var_1_32=61/4, var_1_33=644/5, var_1_34=4, var_1_35=1, var_1_36=16, var_1_3=0, var_1_4=5, var_1_7=0, var_1_8=16, var_1_9=4] [L20] COND FALSE !(!cond) [L143] RET assume_abort_if_not(var_1_2 >= 0) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=1422462314, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_22=-8, var_1_23=-32, var_1_25=10, var_1_27=128, var_1_28=100, var_1_30=313/10, var_1_31=3/2, var_1_32=61/4, var_1_33=644/5, var_1_34=4, var_1_35=1, var_1_36=16, var_1_3=0, var_1_4=5, var_1_7=0, var_1_8=16, var_1_9=4] [L144] CALL assume_abort_if_not(var_1_2 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=1422462314, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_22=-8, var_1_23=-32, var_1_25=10, var_1_27=128, var_1_28=100, var_1_2=0, var_1_30=313/10, var_1_31=3/2, var_1_32=61/4, var_1_33=644/5, var_1_34=4, var_1_35=1, var_1_36=16, var_1_3=0, var_1_4=5, var_1_7=0, var_1_8=16, var_1_9=4] [L20] COND FALSE !(!cond) [L144] RET assume_abort_if_not(var_1_2 <= 1) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=1422462314, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_22=-8, var_1_23=-32, var_1_25=10, var_1_27=128, var_1_28=100, var_1_2=0, var_1_30=313/10, var_1_31=3/2, var_1_32=61/4, var_1_33=644/5, var_1_34=4, var_1_35=1, var_1_36=16, var_1_3=0, var_1_4=5, var_1_7=0, var_1_8=16, var_1_9=4] [L145] var_1_3 = __VERIFIER_nondet_uchar() [L146] CALL assume_abort_if_not(var_1_3 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=1422462314, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_22=-8, var_1_23=-32, var_1_25=10, var_1_27=128, var_1_28=100, var_1_2=0, var_1_30=313/10, var_1_31=3/2, var_1_32=61/4, var_1_33=644/5, var_1_34=4, var_1_35=1, var_1_36=16, var_1_4=5, var_1_7=0, var_1_8=16, var_1_9=4] [L20] COND FALSE !(!cond) [L146] RET assume_abort_if_not(var_1_3 >= 0) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=1422462314, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_22=-8, var_1_23=-32, var_1_25=10, var_1_27=128, var_1_28=100, var_1_2=0, var_1_30=313/10, var_1_31=3/2, var_1_32=61/4, var_1_33=644/5, var_1_34=4, var_1_35=1, var_1_36=16, var_1_4=5, var_1_7=0, var_1_8=16, var_1_9=4] [L147] CALL assume_abort_if_not(var_1_3 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=1422462314, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_22=-8, var_1_23=-32, var_1_25=10, var_1_27=128, var_1_28=100, var_1_2=0, var_1_30=313/10, var_1_31=3/2, var_1_32=61/4, var_1_33=644/5, var_1_34=4, var_1_35=1, var_1_36=16, var_1_3=0, var_1_4=5, var_1_7=0, var_1_8=16, var_1_9=4] [L20] COND FALSE !(!cond) [L147] RET assume_abort_if_not(var_1_3 <= 0) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=1422462314, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_22=-8, var_1_23=-32, var_1_25=10, var_1_27=128, var_1_28=100, var_1_2=0, var_1_30=313/10, var_1_31=3/2, var_1_32=61/4, var_1_33=644/5, var_1_34=4, var_1_35=1, var_1_36=16, var_1_3=0, var_1_4=5, var_1_7=0, var_1_8=16, var_1_9=4] [L148] var_1_7 = __VERIFIER_nondet_char() [L149] CALL assume_abort_if_not(var_1_7 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=1422462314, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_22=-8, var_1_23=-32, var_1_25=10, var_1_27=128, var_1_28=100, var_1_2=0, var_1_30=313/10, var_1_31=3/2, var_1_32=61/4, var_1_33=644/5, var_1_34=4, var_1_35=1, var_1_36=16, var_1_3=0, var_1_4=5, var_1_7=4, var_1_8=16, var_1_9=4] [L20] COND FALSE !(!cond) [L149] RET assume_abort_if_not(var_1_7 >= 0) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=1422462314, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_22=-8, var_1_23=-32, var_1_25=10, var_1_27=128, var_1_28=100, var_1_2=0, var_1_30=313/10, var_1_31=3/2, var_1_32=61/4, var_1_33=644/5, var_1_34=4, var_1_35=1, var_1_36=16, var_1_3=0, var_1_4=5, var_1_7=4, var_1_8=16, var_1_9=4] [L150] CALL assume_abort_if_not(var_1_7 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=1422462314, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_22=-8, var_1_23=-32, var_1_25=10, var_1_27=128, var_1_28=100, var_1_2=0, var_1_30=313/10, var_1_31=3/2, var_1_32=61/4, var_1_33=644/5, var_1_34=4, var_1_35=1, var_1_36=16, var_1_3=0, var_1_4=5, var_1_7=4, var_1_8=16, var_1_9=4] [L20] COND FALSE !(!cond) [L150] RET assume_abort_if_not(var_1_7 <= 63) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=1422462314, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_22=-8, var_1_23=-32, var_1_25=10, var_1_27=128, var_1_28=100, var_1_2=0, var_1_30=313/10, var_1_31=3/2, var_1_32=61/4, var_1_33=644/5, var_1_34=4, var_1_35=1, var_1_36=16, var_1_3=0, var_1_4=5, var_1_7=4, var_1_8=16, var_1_9=4] [L151] var_1_8 = __VERIFIER_nondet_char() [L152] CALL assume_abort_if_not(var_1_8 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=1422462314, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_22=-8, var_1_23=-32, var_1_25=10, var_1_27=128, var_1_28=100, var_1_2=0, var_1_30=313/10, var_1_31=3/2, var_1_32=61/4, var_1_33=644/5, var_1_34=4, var_1_35=1, var_1_36=16, var_1_3=0, var_1_4=5, var_1_7=4, var_1_8=5, var_1_9=4] [L20] COND FALSE !(!cond) [L152] RET assume_abort_if_not(var_1_8 >= 0) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=1422462314, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_22=-8, var_1_23=-32, var_1_25=10, var_1_27=128, var_1_28=100, var_1_2=0, var_1_30=313/10, var_1_31=3/2, var_1_32=61/4, var_1_33=644/5, var_1_34=4, var_1_35=1, var_1_36=16, var_1_3=0, var_1_4=5, var_1_7=4, var_1_8=5, var_1_9=4] [L153] CALL assume_abort_if_not(var_1_8 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=1422462314, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_22=-8, var_1_23=-32, var_1_25=10, var_1_27=128, var_1_28=100, var_1_2=0, var_1_30=313/10, var_1_31=3/2, var_1_32=61/4, var_1_33=644/5, var_1_34=4, var_1_35=1, var_1_36=16, var_1_3=0, var_1_4=5, var_1_7=4, var_1_8=5, var_1_9=4] [L20] COND FALSE !(!cond) [L153] RET assume_abort_if_not(var_1_8 <= 63) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=1422462314, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_22=-8, var_1_23=-32, var_1_25=10, var_1_27=128, var_1_28=100, var_1_2=0, var_1_30=313/10, var_1_31=3/2, var_1_32=61/4, var_1_33=644/5, var_1_34=4, var_1_35=1, var_1_36=16, var_1_3=0, var_1_4=5, var_1_7=4, var_1_8=5, var_1_9=4] [L154] var_1_9 = __VERIFIER_nondet_char() [L155] CALL assume_abort_if_not(var_1_9 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=1422462314, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_22=-8, var_1_23=-32, var_1_25=10, var_1_27=128, var_1_28=100, var_1_2=0, var_1_30=313/10, var_1_31=3/2, var_1_32=61/4, var_1_33=644/5, var_1_34=4, var_1_35=1, var_1_36=16, var_1_3=0, var_1_4=5, var_1_7=4, var_1_8=5, var_1_9=0] [L20] COND FALSE !(!cond) [L155] RET assume_abort_if_not(var_1_9 >= 0) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=1422462314, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_22=-8, var_1_23=-32, var_1_25=10, var_1_27=128, var_1_28=100, var_1_2=0, var_1_30=313/10, var_1_31=3/2, var_1_32=61/4, var_1_33=644/5, var_1_34=4, var_1_35=1, var_1_36=16, var_1_3=0, var_1_4=5, var_1_7=4, var_1_8=5, var_1_9=0] [L156] CALL assume_abort_if_not(var_1_9 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=1422462314, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_22=-8, var_1_23=-32, var_1_25=10, var_1_27=128, var_1_28=100, var_1_2=0, var_1_30=313/10, var_1_31=3/2, var_1_32=61/4, var_1_33=644/5, var_1_34=4, var_1_35=1, var_1_36=16, var_1_3=0, var_1_4=5, var_1_7=4, var_1_8=5, var_1_9=0] [L20] COND FALSE !(!cond) [L156] RET assume_abort_if_not(var_1_9 <= 126) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=1422462314, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_22=-8, var_1_23=-32, var_1_25=10, var_1_27=128, var_1_28=100, var_1_2=0, var_1_30=313/10, var_1_31=3/2, var_1_32=61/4, var_1_33=644/5, var_1_34=4, var_1_35=1, var_1_36=16, var_1_3=0, var_1_4=5, var_1_7=4, var_1_8=5, var_1_9=0] [L157] var_1_11 = __VERIFIER_nondet_ulong() [L158] CALL assume_abort_if_not(var_1_11 >= 1073741823) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=1073741823, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_22=-8, var_1_23=-32, var_1_25=10, var_1_27=128, var_1_28=100, var_1_2=0, var_1_30=313/10, var_1_31=3/2, var_1_32=61/4, var_1_33=644/5, var_1_34=4, var_1_35=1, var_1_36=16, var_1_3=0, var_1_4=5, var_1_7=4, var_1_8=5, var_1_9=0] [L20] COND FALSE !(!cond) [L158] RET assume_abort_if_not(var_1_11 >= 1073741823) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=1073741823, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_22=-8, var_1_23=-32, var_1_25=10, var_1_27=128, var_1_28=100, var_1_2=0, var_1_30=313/10, var_1_31=3/2, var_1_32=61/4, var_1_33=644/5, var_1_34=4, var_1_35=1, var_1_36=16, var_1_3=0, var_1_4=5, var_1_7=4, var_1_8=5, var_1_9=0] [L159] CALL assume_abort_if_not(var_1_11 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=1073741823, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_22=-8, var_1_23=-32, var_1_25=10, var_1_27=128, var_1_28=100, var_1_2=0, var_1_30=313/10, var_1_31=3/2, var_1_32=61/4, var_1_33=644/5, var_1_34=4, var_1_35=1, var_1_36=16, var_1_3=0, var_1_4=5, var_1_7=4, var_1_8=5, var_1_9=0] [L20] COND FALSE !(!cond) [L159] RET assume_abort_if_not(var_1_11 <= 2147483647) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=1073741823, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_22=-8, var_1_23=-32, var_1_25=10, var_1_27=128, var_1_28=100, var_1_2=0, var_1_30=313/10, var_1_31=3/2, var_1_32=61/4, var_1_33=644/5, var_1_34=4, var_1_35=1, var_1_36=16, var_1_3=0, var_1_4=5, var_1_7=4, var_1_8=5, var_1_9=0] [L160] var_1_17 = __VERIFIER_nondet_ulong() [L161] CALL assume_abort_if_not(var_1_17 >= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=1073741823, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=4294967294, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_22=-8, var_1_23=-32, var_1_25=10, var_1_27=128, var_1_28=100, var_1_2=0, var_1_30=313/10, var_1_31=3/2, var_1_32=61/4, var_1_33=644/5, var_1_34=4, var_1_35=1, var_1_36=16, var_1_3=0, var_1_4=5, var_1_7=4, var_1_8=5, var_1_9=0] [L20] COND FALSE !(!cond) [L161] RET assume_abort_if_not(var_1_17 >= 2147483647) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=1073741823, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=4294967294, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_22=-8, var_1_23=-32, var_1_25=10, var_1_27=128, var_1_28=100, var_1_2=0, var_1_30=313/10, var_1_31=3/2, var_1_32=61/4, var_1_33=644/5, var_1_34=4, var_1_35=1, var_1_36=16, var_1_3=0, var_1_4=5, var_1_7=4, var_1_8=5, var_1_9=0] [L162] CALL assume_abort_if_not(var_1_17 <= 4294967294) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=1073741823, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=4294967294, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_22=-8, var_1_23=-32, var_1_25=10, var_1_27=128, var_1_28=100, var_1_2=0, var_1_30=313/10, var_1_31=3/2, var_1_32=61/4, var_1_33=644/5, var_1_34=4, var_1_35=1, var_1_36=16, var_1_3=0, var_1_4=5, var_1_7=4, var_1_8=5, var_1_9=0] [L20] COND FALSE !(!cond) [L162] RET assume_abort_if_not(var_1_17 <= 4294967294) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=1073741823, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=4294967294, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_22=-8, var_1_23=-32, var_1_25=10, var_1_27=128, var_1_28=100, var_1_2=0, var_1_30=313/10, var_1_31=3/2, var_1_32=61/4, var_1_33=644/5, var_1_34=4, var_1_35=1, var_1_36=16, var_1_3=0, var_1_4=5, var_1_7=4, var_1_8=5, var_1_9=0] [L163] var_1_18 = __VERIFIER_nondet_ulong() [L164] CALL assume_abort_if_not(var_1_18 >= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=1073741823, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=4294967294, var_1_18=4294967294, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_22=-8, var_1_23=-32, var_1_25=10, var_1_27=128, var_1_28=100, var_1_2=0, var_1_30=313/10, var_1_31=3/2, var_1_32=61/4, var_1_33=644/5, var_1_34=4, var_1_35=1, var_1_36=16, var_1_3=0, var_1_4=5, var_1_7=4, var_1_8=5, var_1_9=0] [L20] COND FALSE !(!cond) [L164] RET assume_abort_if_not(var_1_18 >= 2147483647) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=1073741823, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=4294967294, var_1_18=4294967294, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_22=-8, var_1_23=-32, var_1_25=10, var_1_27=128, var_1_28=100, var_1_2=0, var_1_30=313/10, var_1_31=3/2, var_1_32=61/4, var_1_33=644/5, var_1_34=4, var_1_35=1, var_1_36=16, var_1_3=0, var_1_4=5, var_1_7=4, var_1_8=5, var_1_9=0] [L165] CALL assume_abort_if_not(var_1_18 <= 4294967294) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=1073741823, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=4294967294, var_1_18=4294967294, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_22=-8, var_1_23=-32, var_1_25=10, var_1_27=128, var_1_28=100, var_1_2=0, var_1_30=313/10, var_1_31=3/2, var_1_32=61/4, var_1_33=644/5, var_1_34=4, var_1_35=1, var_1_36=16, var_1_3=0, var_1_4=5, var_1_7=4, var_1_8=5, var_1_9=0] [L20] COND FALSE !(!cond) [L165] RET assume_abort_if_not(var_1_18 <= 4294967294) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=1073741823, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=4294967294, var_1_18=4294967294, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_22=-8, var_1_23=-32, var_1_25=10, var_1_27=128, var_1_28=100, var_1_2=0, var_1_30=313/10, var_1_31=3/2, var_1_32=61/4, var_1_33=644/5, var_1_34=4, var_1_35=1, var_1_36=16, var_1_3=0, var_1_4=5, var_1_7=4, var_1_8=5, var_1_9=0] [L166] var_1_20 = __VERIFIER_nondet_double() [L167] CALL assume_abort_if_not((var_1_20 >= -922337.2036854765600e+13F && var_1_20 <= -1.0e-20F) || (var_1_20 <= 9223372.036854765600e+12F && var_1_20 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=1073741823, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=4294967294, var_1_18=4294967294, var_1_19=19/5, var_1_1=1, var_1_21=0, var_1_22=-8, var_1_23=-32, var_1_25=10, var_1_27=128, var_1_28=100, var_1_2=0, var_1_30=313/10, var_1_31=3/2, var_1_32=61/4, var_1_33=644/5, var_1_34=4, var_1_35=1, var_1_36=16, var_1_3=0, var_1_4=5, var_1_7=4, var_1_8=5, var_1_9=0] [L20] COND FALSE !(!cond) [L167] RET assume_abort_if_not((var_1_20 >= -922337.2036854765600e+13F && var_1_20 <= -1.0e-20F) || (var_1_20 <= 9223372.036854765600e+12F && var_1_20 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=1073741823, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=4294967294, var_1_18=4294967294, var_1_19=19/5, var_1_1=1, var_1_21=0, var_1_22=-8, var_1_23=-32, var_1_25=10, var_1_27=128, var_1_28=100, var_1_2=0, var_1_30=313/10, var_1_31=3/2, var_1_32=61/4, var_1_33=644/5, var_1_34=4, var_1_35=1, var_1_36=16, var_1_3=0, var_1_4=5, var_1_7=4, var_1_8=5, var_1_9=0] [L168] var_1_27 = __VERIFIER_nondet_uchar() [L169] CALL assume_abort_if_not(var_1_27 >= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=1073741823, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=4294967294, var_1_18=4294967294, var_1_19=19/5, var_1_1=1, var_1_21=0, var_1_22=-8, var_1_23=-32, var_1_25=10, var_1_27=128, var_1_28=100, var_1_2=0, var_1_30=313/10, var_1_31=3/2, var_1_32=61/4, var_1_33=644/5, var_1_34=4, var_1_35=1, var_1_36=16, var_1_3=0, var_1_4=5, var_1_7=4, var_1_8=5, var_1_9=0] [L20] COND FALSE !(!cond) [L169] RET assume_abort_if_not(var_1_27 >= 127) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=1073741823, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=4294967294, var_1_18=4294967294, var_1_19=19/5, var_1_1=1, var_1_21=0, var_1_22=-8, var_1_23=-32, var_1_25=10, var_1_27=128, var_1_28=100, var_1_2=0, var_1_30=313/10, var_1_31=3/2, var_1_32=61/4, var_1_33=644/5, var_1_34=4, var_1_35=1, var_1_36=16, var_1_3=0, var_1_4=5, var_1_7=4, var_1_8=5, var_1_9=0] [L170] CALL assume_abort_if_not(var_1_27 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=1073741823, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=4294967294, var_1_18=4294967294, var_1_19=19/5, var_1_1=1, var_1_21=0, var_1_22=-8, var_1_23=-32, var_1_25=10, var_1_27=128, var_1_28=100, var_1_2=0, var_1_30=313/10, var_1_31=3/2, var_1_32=61/4, var_1_33=644/5, var_1_34=4, var_1_35=1, var_1_36=16, var_1_3=0, var_1_4=5, var_1_7=4, var_1_8=5, var_1_9=0] [L20] COND FALSE !(!cond) [L170] RET assume_abort_if_not(var_1_27 <= 254) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=1073741823, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=4294967294, var_1_18=4294967294, var_1_19=19/5, var_1_1=1, var_1_21=0, var_1_22=-8, var_1_23=-32, var_1_25=10, var_1_27=128, var_1_28=100, var_1_2=0, var_1_30=313/10, var_1_31=3/2, var_1_32=61/4, var_1_33=644/5, var_1_34=4, var_1_35=1, var_1_36=16, var_1_3=0, var_1_4=5, var_1_7=4, var_1_8=5, var_1_9=0] [L171] var_1_28 = __VERIFIER_nondet_uchar() [L172] CALL assume_abort_if_not(var_1_28 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=1073741823, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=4294967294, var_1_18=4294967294, var_1_19=19/5, var_1_1=1, var_1_21=0, var_1_22=-8, var_1_23=-32, var_1_25=10, var_1_27=128, var_1_2=0, var_1_30=313/10, var_1_31=3/2, var_1_32=61/4, var_1_33=644/5, var_1_34=4, var_1_35=1, var_1_36=16, var_1_3=0, var_1_4=5, var_1_7=4, var_1_8=5, var_1_9=0] [L20] COND FALSE !(!cond) [L172] RET assume_abort_if_not(var_1_28 >= 0) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=1073741823, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=4294967294, var_1_18=4294967294, var_1_19=19/5, var_1_1=1, var_1_21=0, var_1_22=-8, var_1_23=-32, var_1_25=10, var_1_27=128, var_1_2=0, var_1_30=313/10, var_1_31=3/2, var_1_32=61/4, var_1_33=644/5, var_1_34=4, var_1_35=1, var_1_36=16, var_1_3=0, var_1_4=5, var_1_7=4, var_1_8=5, var_1_9=0] [L173] CALL assume_abort_if_not(var_1_28 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=1073741823, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=4294967294, var_1_18=4294967294, var_1_19=19/5, var_1_1=1, var_1_21=0, var_1_22=-8, var_1_23=-32, var_1_25=10, var_1_27=128, var_1_28=127, var_1_2=0, var_1_30=313/10, var_1_31=3/2, var_1_32=61/4, var_1_33=644/5, var_1_34=4, var_1_35=1, var_1_36=16, var_1_3=0, var_1_4=5, var_1_7=4, var_1_8=5, var_1_9=0] [L20] COND FALSE !(!cond) [L173] RET assume_abort_if_not(var_1_28 <= 127) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=1073741823, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=4294967294, var_1_18=4294967294, var_1_19=19/5, var_1_1=1, var_1_21=0, var_1_22=-8, var_1_23=-32, var_1_25=10, var_1_27=128, var_1_28=127, var_1_2=0, var_1_30=313/10, var_1_31=3/2, var_1_32=61/4, var_1_33=644/5, var_1_34=4, var_1_35=1, var_1_36=16, var_1_3=0, var_1_4=5, var_1_7=4, var_1_8=5, var_1_9=0] [L174] var_1_31 = __VERIFIER_nondet_float() [L175] CALL assume_abort_if_not((var_1_31 >= -922337.2036854765600e+13F && var_1_31 <= -1.0e-20F) || (var_1_31 <= 9223372.036854765600e+12F && var_1_31 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=1073741823, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=4294967294, var_1_18=4294967294, var_1_19=19/5, var_1_1=1, var_1_21=0, var_1_22=-8, var_1_23=-32, var_1_25=10, var_1_27=128, var_1_28=127, var_1_2=0, var_1_30=313/10, var_1_32=61/4, var_1_33=644/5, var_1_34=4, var_1_35=1, var_1_36=16, var_1_3=0, var_1_4=5, var_1_7=4, var_1_8=5, var_1_9=0] [L20] COND FALSE !(!cond) [L175] RET assume_abort_if_not((var_1_31 >= -922337.2036854765600e+13F && var_1_31 <= -1.0e-20F) || (var_1_31 <= 9223372.036854765600e+12F && var_1_31 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=1073741823, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=4294967294, var_1_18=4294967294, var_1_19=19/5, var_1_1=1, var_1_21=0, var_1_22=-8, var_1_23=-32, var_1_25=10, var_1_27=128, var_1_28=127, var_1_2=0, var_1_30=313/10, var_1_32=61/4, var_1_33=644/5, var_1_34=4, var_1_35=1, var_1_36=16, var_1_3=0, var_1_4=5, var_1_7=4, var_1_8=5, var_1_9=0] [L176] var_1_32 = __VERIFIER_nondet_float() [L177] CALL assume_abort_if_not((var_1_32 >= -461168.6018427382800e+13F && var_1_32 <= -1.0e-20F) || (var_1_32 <= 4611686.018427382800e+12F && var_1_32 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=1073741823, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=4294967294, var_1_18=4294967294, var_1_19=19/5, var_1_1=1, var_1_21=0, var_1_22=-8, var_1_23=-32, var_1_25=10, var_1_27=128, var_1_28=127, var_1_2=0, var_1_30=313/10, var_1_33=644/5, var_1_34=4, var_1_35=1, var_1_36=16, var_1_3=0, var_1_4=5, var_1_7=4, var_1_8=5, var_1_9=0] [L20] COND FALSE !(!cond) [L177] RET assume_abort_if_not((var_1_32 >= -461168.6018427382800e+13F && var_1_32 <= -1.0e-20F) || (var_1_32 <= 4611686.018427382800e+12F && var_1_32 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=1073741823, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=4294967294, var_1_18=4294967294, var_1_19=19/5, var_1_1=1, var_1_21=0, var_1_22=-8, var_1_23=-32, var_1_25=10, var_1_27=128, var_1_28=127, var_1_2=0, var_1_30=313/10, var_1_33=644/5, var_1_34=4, var_1_35=1, var_1_36=16, var_1_3=0, var_1_4=5, var_1_7=4, var_1_8=5, var_1_9=0] [L178] var_1_34 = __VERIFIER_nondet_char() [L179] CALL assume_abort_if_not(var_1_34 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=1073741823, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=4294967294, var_1_18=4294967294, var_1_19=19/5, var_1_1=1, var_1_21=0, var_1_22=-8, var_1_23=-32, var_1_25=10, var_1_27=128, var_1_28=127, var_1_2=0, var_1_30=313/10, var_1_33=644/5, var_1_34=5, var_1_35=1, var_1_36=16, var_1_3=0, var_1_4=5, var_1_7=4, var_1_8=5, var_1_9=0] [L20] COND FALSE !(!cond) [L179] RET assume_abort_if_not(var_1_34 >= 0) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=1073741823, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=4294967294, var_1_18=4294967294, var_1_19=19/5, var_1_1=1, var_1_21=0, var_1_22=-8, var_1_23=-32, var_1_25=10, var_1_27=128, var_1_28=127, var_1_2=0, var_1_30=313/10, var_1_33=644/5, var_1_34=5, var_1_35=1, var_1_36=16, var_1_3=0, var_1_4=5, var_1_7=4, var_1_8=5, var_1_9=0] [L180] CALL assume_abort_if_not(var_1_34 <= 5) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=1073741823, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=4294967294, var_1_18=4294967294, var_1_19=19/5, var_1_1=1, var_1_21=0, var_1_22=-8, var_1_23=-32, var_1_25=10, var_1_27=128, var_1_28=127, var_1_2=0, var_1_30=313/10, var_1_33=644/5, var_1_34=5, var_1_35=1, var_1_36=16, var_1_3=0, var_1_4=5, var_1_7=4, var_1_8=5, var_1_9=0] [L20] COND FALSE !(!cond) [L180] RET assume_abort_if_not(var_1_34 <= 5) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=1073741823, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=4294967294, var_1_18=4294967294, var_1_19=19/5, var_1_1=1, var_1_21=0, var_1_22=-8, var_1_23=-32, var_1_25=10, var_1_27=128, var_1_28=127, var_1_2=0, var_1_30=313/10, var_1_33=644/5, var_1_34=5, var_1_35=1, var_1_36=16, var_1_3=0, var_1_4=5, var_1_7=4, var_1_8=5, var_1_9=0] [L181] var_1_35 = __VERIFIER_nondet_char() [L182] CALL assume_abort_if_not(var_1_35 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=1073741823, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=4294967294, var_1_18=4294967294, var_1_19=19/5, var_1_1=1, var_1_21=0, var_1_22=-8, var_1_23=-32, var_1_25=10, var_1_27=128, var_1_28=127, var_1_2=0, var_1_30=313/10, var_1_33=644/5, var_1_34=5, var_1_35=4, var_1_36=16, var_1_3=0, var_1_4=5, var_1_7=4, var_1_8=5, var_1_9=0] [L20] COND FALSE !(!cond) [L182] RET assume_abort_if_not(var_1_35 >= 0) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=1073741823, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=4294967294, var_1_18=4294967294, var_1_19=19/5, var_1_1=1, var_1_21=0, var_1_22=-8, var_1_23=-32, var_1_25=10, var_1_27=128, var_1_28=127, var_1_2=0, var_1_30=313/10, var_1_33=644/5, var_1_34=5, var_1_35=4, var_1_36=16, var_1_3=0, var_1_4=5, var_1_7=4, var_1_8=5, var_1_9=0] [L183] CALL assume_abort_if_not(var_1_35 <= 4) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=1073741823, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=4294967294, var_1_18=4294967294, var_1_19=19/5, var_1_1=1, var_1_21=0, var_1_22=-8, var_1_23=-32, var_1_25=10, var_1_27=128, var_1_28=127, var_1_2=0, var_1_30=313/10, var_1_33=644/5, var_1_34=5, var_1_35=4, var_1_36=16, var_1_3=0, var_1_4=5, var_1_7=4, var_1_8=5, var_1_9=0] [L20] COND FALSE !(!cond) [L183] RET assume_abort_if_not(var_1_35 <= 4) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=1073741823, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=4294967294, var_1_18=4294967294, var_1_19=19/5, var_1_1=1, var_1_21=0, var_1_22=-8, var_1_23=-32, var_1_25=10, var_1_27=128, var_1_28=127, var_1_2=0, var_1_30=313/10, var_1_33=644/5, var_1_34=5, var_1_35=4, var_1_36=16, var_1_3=0, var_1_4=5, var_1_7=4, var_1_8=5, var_1_9=0] [L199] RET updateVariables() [L200] CALL step() [L57] var_1_22 = ((((-25) < 0 ) ? -(-25) : (-25))) [L58] COND TRUE var_1_12 > var_1_16 [L59] COND TRUE (~ var_1_12) <= 128 [L60] var_1_23 = var_1_16 [L65] EXPR var_1_4 >> var_1_15 [L65] EXPR ((var_1_10) < ((var_1_4 >> var_1_15))) ? (var_1_10) : ((var_1_4 >> var_1_15)) [L65] COND TRUE var_1_4 <= ((((var_1_10) < ((var_1_4 >> var_1_15))) ? (var_1_10) : ((var_1_4 >> var_1_15)))) [L66] var_1_25 = (var_1_27 - var_1_28) [L72] COND TRUE \read(var_1_1) [L73] var_1_30 = ((((var_1_31) < ((1.625f + ((((var_1_32) < 0 ) ? -(var_1_32) : (var_1_32)))))) ? (var_1_31) : ((1.625f + ((((var_1_32) < 0 ) ? -(var_1_32) : (var_1_32))))))) [L75] COND FALSE !(var_1_16 >= var_1_4) [L88] COND FALSE !(var_1_27 >= (var_1_28 + var_1_4)) [L97] var_1_36 = var_1_28 [L99] unsigned long int stepLocal_1 = last_1_var_1_16; [L100] unsigned long int stepLocal_0 = last_1_var_1_16; [L101] COND TRUE stepLocal_1 != last_1_var_1_10 [L102] COND FALSE !(var_1_8 <= stepLocal_0) [L110] COND TRUE var_1_12 == var_1_12 [L111] var_1_4 = ((8 + ((((var_1_7) > (var_1_8)) ? (var_1_7) : (var_1_8)))) - var_1_9) [L113] var_1_1 = (var_1_2 || (! var_1_3)) [L114] var_1_10 = (4027026809u - (((((var_1_11) < 0 ) ? -(var_1_11) : (var_1_11))) - var_1_7)) [L115] var_1_19 = ((((((((var_1_20) < 0 ) ? -(var_1_20) : (var_1_20)))) < (1.4)) ? (((((var_1_20) < 0 ) ? -(var_1_20) : (var_1_20)))) : (1.4))) [L116] COND TRUE \read(var_1_1) [L117] COND TRUE var_1_19 >= var_1_19 [L118] COND TRUE ! var_1_3 [L119] var_1_15 = var_1_8 [L127] COND FALSE !(var_1_19 != var_1_19) [L130] COND TRUE var_1_4 > var_1_12 [L131] var_1_16 = (var_1_17 - (var_1_11 - var_1_8)) [L136] unsigned char stepLocal_2 = var_1_1; [L137] COND FALSE !((var_1_16 == (var_1_8 - var_1_9)) && stepLocal_2) [L200] RET step() [L201] CALL, EXPR property() [L191-L192] return (((((((var_1_1 == ((unsigned char) (var_1_2 || (! var_1_3)))) && ((var_1_12 == var_1_12) ? (var_1_4 == ((signed char) ((8 + ((((var_1_7) > (var_1_8)) ? (var_1_7) : (var_1_8)))) - var_1_9))) : 1)) && (var_1_10 == ((unsigned long int) (4027026809u - (((((var_1_11) < 0 ) ? -(var_1_11) : (var_1_11))) - var_1_7))))) && ((last_1_var_1_16 != last_1_var_1_10) ? ((var_1_8 <= last_1_var_1_16) ? (((- last_1_var_1_19) >= last_1_var_1_19) ? (var_1_12 == ((signed short int) var_1_8)) : 1) : 1) : (var_1_12 == ((signed short int) var_1_9)))) && (var_1_1 ? ((var_1_19 >= var_1_19) ? ((! var_1_3) ? (var_1_15 == ((signed short int) var_1_8)) : 1) : (var_1_15 == ((signed short int) var_1_7))) : (var_1_15 == ((signed short int) 5)))) && ((var_1_19 != var_1_19) ? (var_1_16 == ((unsigned long int) (((((var_1_11) < (var_1_7)) ? (var_1_11) : (var_1_7))) + var_1_8))) : ((var_1_4 > var_1_12) ? (var_1_16 == ((unsigned long int) (var_1_17 - (var_1_11 - var_1_8)))) : (var_1_16 == ((unsigned long int) (((((var_1_17) > (var_1_18)) ? (var_1_17) : (var_1_18))) - var_1_9)))))) && (var_1_19 == ((double) ((((((((var_1_20) < 0 ) ? -(var_1_20) : (var_1_20)))) < (1.4)) ? (((((var_1_20) < 0 ) ? -(var_1_20) : (var_1_20)))) : (1.4)))))) && (((var_1_16 == (var_1_8 - var_1_9)) && var_1_1) ? (var_1_21 == ((unsigned short int) var_1_9)) : 1) ; [L201] RET, EXPR property() [L201] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=2953284990, var_1_11=1073741823, var_1_12=8, var_1_15=5, var_1_16=3221225476, var_1_17=4294967294, var_1_18=4294967294, var_1_19=7/5, var_1_1=1, var_1_20=7/5, var_1_21=0, var_1_22=25, var_1_23=1, var_1_25=1, var_1_27=128, var_1_28=127, var_1_2=0, var_1_30=644/5, var_1_31=644/5, var_1_32=644/5, var_1_33=644/5, var_1_34=5, var_1_35=4, var_1_36=127, var_1_3=0, var_1_4=13, var_1_7=4, var_1_8=5, var_1_9=0] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=2953284990, var_1_11=1073741823, var_1_12=8, var_1_15=5, var_1_16=3221225476, var_1_17=4294967294, var_1_18=4294967294, var_1_19=7/5, var_1_1=1, var_1_20=7/5, var_1_21=0, var_1_22=25, var_1_23=1, var_1_25=1, var_1_27=128, var_1_28=127, var_1_2=0, var_1_30=644/5, var_1_31=644/5, var_1_32=644/5, var_1_33=644/5, var_1_34=5, var_1_35=4, var_1_36=127, var_1_3=0, var_1_4=13, var_1_7=4, var_1_8=5, var_1_9=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 51 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.9s, OverallIterations: 1, TraceHistogramMax: 27, 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=51occurred 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, 1.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 100 NumberOfCodeBlocks, 100 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 [2023-11-23 21:09:47,336 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad0860b4-7e7d-45dd-a418-45abc8198ba3/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad0860b4-7e7d-45dd-a418-45abc8198ba3/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad0860b4-7e7d-45dd-a418-45abc8198ba3/bin/utaipan-verify-mE87zJ7Ire/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad0860b4-7e7d-45dd-a418-45abc8198ba3/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad0860b4-7e7d-45dd-a418-45abc8198ba3/bin/utaipan-verify-mE87zJ7Ire/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-co_file-11.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad0860b4-7e7d-45dd-a418-45abc8198ba3/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad0860b4-7e7d-45dd-a418-45abc8198ba3/bin/utaipan-verify-mE87zJ7Ire --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 6d1e5e5cc6398246832802a812900af1b138e1125bfe18c91f7c567300bec7d3 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 21:09:49,976 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 21:09:50,055 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad0860b4-7e7d-45dd-a418-45abc8198ba3/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2023-11-23 21:09:50,061 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 21:09:50,062 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 21:09:50,091 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 21:09:50,092 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 21:09:50,093 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 21:09:50,094 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 21:09:50,094 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 21:09:50,095 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 21:09:50,095 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 21:09:50,096 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 21:09:50,096 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 21:09:50,097 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 21:09:50,098 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 21:09:50,099 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 21:09:50,099 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 21:09:50,100 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 21:09:50,100 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 21:09:50,100 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 21:09:50,101 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 21:09:50,102 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 21:09:50,102 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 21:09:50,103 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-23 21:09:50,103 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-23 21:09:50,104 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-23 21:09:50,104 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 21:09:50,104 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 21:09:50,105 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 21:09:50,105 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 21:09:50,106 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-23 21:09:50,106 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 21:09:50,107 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 21:09:50,107 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:09:50,108 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 21:09:50,108 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 21:09:50,108 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 21:09:50,108 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-23 21:09:50,109 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-23 21:09:50,109 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 21:09:50,110 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 21:09:50,110 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 21:09:50,110 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 21:09:50,110 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_ad0860b4-7e7d-45dd-a418-45abc8198ba3/bin/utaipan-verify-mE87zJ7Ire/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad0860b4-7e7d-45dd-a418-45abc8198ba3/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6d1e5e5cc6398246832802a812900af1b138e1125bfe18c91f7c567300bec7d3 [2023-11-23 21:09:50,531 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 21:09:50,556 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 21:09:50,560 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 21:09:50,562 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 21:09:50,562 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 21:09:50,564 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad0860b4-7e7d-45dd-a418-45abc8198ba3/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-co_file-11.i [2023-11-23 21:09:53,874 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 21:09:54,180 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 21:09:54,182 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad0860b4-7e7d-45dd-a418-45abc8198ba3/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-co_file-11.i [2023-11-23 21:09:54,198 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad0860b4-7e7d-45dd-a418-45abc8198ba3/bin/utaipan-verify-mE87zJ7Ire/data/2969ee417/7ebdfff88a7c4f06ab4f7d7184576a10/FLAG99ae30cef [2023-11-23 21:09:54,215 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad0860b4-7e7d-45dd-a418-45abc8198ba3/bin/utaipan-verify-mE87zJ7Ire/data/2969ee417/7ebdfff88a7c4f06ab4f7d7184576a10 [2023-11-23 21:09:54,218 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 21:09:54,220 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 21:09:54,221 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 21:09:54,222 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 21:09:54,227 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 21:09:54,228 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:09:54" (1/1) ... [2023-11-23 21:09:54,229 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2ebe35f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:09:54, skipping insertion in model container [2023-11-23 21:09:54,229 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:09:54" (1/1) ... [2023-11-23 21:09:54,276 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 21:09:54,492 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_ad0860b4-7e7d-45dd-a418-45abc8198ba3/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-co_file-11.i[919,932] [2023-11-23 21:09:54,622 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:09:54,650 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 21:09:54,669 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_ad0860b4-7e7d-45dd-a418-45abc8198ba3/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-co_file-11.i[919,932] [2023-11-23 21:09:54,769 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:09:54,819 INFO L206 MainTranslator]: Completed translation [2023-11-23 21:09:54,819 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:09:54 WrapperNode [2023-11-23 21:09:54,820 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 21:09:54,821 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 21:09:54,821 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 21:09:54,822 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 21:09:54,835 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:09:54" (1/1) ... [2023-11-23 21:09:54,866 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:09:54" (1/1) ... [2023-11-23 21:09:54,919 INFO L138 Inliner]: procedures = 27, calls = 40, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 191 [2023-11-23 21:09:54,922 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 21:09:54,923 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 21:09:54,924 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 21:09:54,924 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 21:09:54,934 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:09:54" (1/1) ... [2023-11-23 21:09:54,934 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:09:54" (1/1) ... [2023-11-23 21:09:54,957 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:09:54" (1/1) ... [2023-11-23 21:09:54,958 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:09:54" (1/1) ... [2023-11-23 21:09:54,971 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:09:54" (1/1) ... [2023-11-23 21:09:54,976 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:09:54" (1/1) ... [2023-11-23 21:09:54,980 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:09:54" (1/1) ... [2023-11-23 21:09:54,983 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:09:54" (1/1) ... [2023-11-23 21:09:54,989 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 21:09:54,990 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 21:09:54,990 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 21:09:54,990 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 21:09:54,991 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:09:54" (1/1) ... [2023-11-23 21:09:54,998 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:09:55,028 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad0860b4-7e7d-45dd-a418-45abc8198ba3/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:09:55,051 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad0860b4-7e7d-45dd-a418-45abc8198ba3/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 21:09:55,083 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad0860b4-7e7d-45dd-a418-45abc8198ba3/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 21:09:55,105 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 21:09:55,106 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-23 21:09:55,106 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-23 21:09:55,106 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-23 21:09:55,106 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 21:09:55,107 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 21:09:55,211 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 21:09:55,214 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 21:09:59,313 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 21:09:59,362 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 21:09:59,363 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-23 21:09:59,363 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:09:59 BoogieIcfgContainer [2023-11-23 21:09:59,364 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 21:09:59,366 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 21:09:59,366 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 21:09:59,370 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 21:09:59,370 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 09:09:54" (1/3) ... [2023-11-23 21:09:59,371 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6813ca04 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:09:59, skipping insertion in model container [2023-11-23 21:09:59,371 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:09:54" (2/3) ... [2023-11-23 21:09:59,372 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6813ca04 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:09:59, skipping insertion in model container [2023-11-23 21:09:59,372 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:09:59" (3/3) ... [2023-11-23 21:09:59,373 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-ps-co_file-11.i [2023-11-23 21:09:59,394 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 21:09:59,394 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-23 21:09:59,450 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 21:09:59,457 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@c5d643c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 21:09:59,458 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-23 21:09:59,463 INFO L276 IsEmpty]: Start isEmpty. Operand has 80 states, 50 states have (on average 1.54) internal successors, (77), 51 states have internal predecessors, (77), 27 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2023-11-23 21:09:59,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2023-11-23 21:09:59,485 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:09:59,486 INFO L195 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:09:59,487 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:09:59,493 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:09:59,494 INFO L85 PathProgramCache]: Analyzing trace with hash 1345905516, now seen corresponding path program 1 times [2023-11-23 21:09:59,508 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 21:09:59,508 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [412026182] [2023-11-23 21:09:59,509 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:09:59,509 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 [2023-11-23 21:09:59,510 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad0860b4-7e7d-45dd-a418-45abc8198ba3/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 21:09:59,511 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad0860b4-7e7d-45dd-a418-45abc8198ba3/bin/utaipan-verify-mE87zJ7Ire/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) [2023-11-23 21:09:59,554 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad0860b4-7e7d-45dd-a418-45abc8198ba3/bin/utaipan-verify-mE87zJ7Ire/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 [2023-11-23 21:09:59,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:09:59,978 INFO L262 TraceCheckSpWp]: Trace formula consists of 283 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-23 21:09:59,998 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:10:00,069 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 724 proven. 0 refuted. 0 times theorem prover too weak. 680 trivial. 0 not checked. [2023-11-23 21:10:00,069 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 21:10:00,070 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-23 21:10:00,071 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [412026182] [2023-11-23 21:10:00,071 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [412026182] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:10:00,072 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:10:00,072 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-23 21:10:00,074 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [29884398] [2023-11-23 21:10:00,075 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:10:00,080 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-23 21:10:00,080 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-23 21:10:00,112 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-23 21:10:00,113 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-23 21:10:00,116 INFO L87 Difference]: Start difference. First operand has 80 states, 50 states have (on average 1.54) internal successors, (77), 51 states have internal predecessors, (77), 27 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) Second operand has 2 states, 2 states have (on average 20.0) internal successors, (40), 2 states have internal predecessors, (40), 2 states have call successors, (27), 2 states have call predecessors, (27), 2 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2023-11-23 21:10:00,234 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:10:00,235 INFO L93 Difference]: Finished difference Result 157 states and 287 transitions. [2023-11-23 21:10:00,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-23 21:10:00,240 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 20.0) internal successors, (40), 2 states have internal predecessors, (40), 2 states have call successors, (27), 2 states have call predecessors, (27), 2 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) Word has length 168 [2023-11-23 21:10:00,241 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:10:00,249 INFO L225 Difference]: With dead ends: 157 [2023-11-23 21:10:00,249 INFO L226 Difference]: Without dead ends: 78 [2023-11-23 21:10:00,255 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 167 GetRequests, 167 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-23 21:10:00,258 INFO L413 NwaCegarLoop]: 122 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 122 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-23 21:10:00,262 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 122 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-23 21:10:00,281 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2023-11-23 21:10:00,312 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 78. [2023-11-23 21:10:00,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 78 states, 49 states have (on average 1.4489795918367347) internal successors, (71), 49 states have internal predecessors, (71), 27 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2023-11-23 21:10:00,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 125 transitions. [2023-11-23 21:10:00,318 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 125 transitions. Word has length 168 [2023-11-23 21:10:00,319 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:10:00,319 INFO L495 AbstractCegarLoop]: Abstraction has 78 states and 125 transitions. [2023-11-23 21:10:00,320 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 20.0) internal successors, (40), 2 states have internal predecessors, (40), 2 states have call successors, (27), 2 states have call predecessors, (27), 2 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2023-11-23 21:10:00,320 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 125 transitions. [2023-11-23 21:10:00,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2023-11-23 21:10:00,325 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:10:00,325 INFO L195 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:10:00,341 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad0860b4-7e7d-45dd-a418-45abc8198ba3/bin/utaipan-verify-mE87zJ7Ire/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 [2023-11-23 21:10:00,533 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad0860b4-7e7d-45dd-a418-45abc8198ba3/bin/utaipan-verify-mE87zJ7Ire/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 [2023-11-23 21:10:00,534 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:10:00,535 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:10:00,536 INFO L85 PathProgramCache]: Analyzing trace with hash -2049795034, now seen corresponding path program 1 times [2023-11-23 21:10:00,537 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 21:10:00,538 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [256852706] [2023-11-23 21:10:00,539 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:10:00,539 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 [2023-11-23 21:10:00,539 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad0860b4-7e7d-45dd-a418-45abc8198ba3/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 21:10:00,541 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad0860b4-7e7d-45dd-a418-45abc8198ba3/bin/utaipan-verify-mE87zJ7Ire/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) [2023-11-23 21:10:00,601 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad0860b4-7e7d-45dd-a418-45abc8198ba3/bin/utaipan-verify-mE87zJ7Ire/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 [2023-11-23 21:10:00,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:10:00,872 INFO L262 TraceCheckSpWp]: Trace formula consists of 283 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 21:10:00,881 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:10:02,725 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2023-11-23 21:10:02,725 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 21:10:02,725 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-23 21:10:02,726 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [256852706] [2023-11-23 21:10:02,727 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [256852706] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:10:02,728 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:10:02,728 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-23 21:10:02,732 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [927289877] [2023-11-23 21:10:02,733 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:10:02,735 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-23 21:10:02,737 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-23 21:10:02,739 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-23 21:10:02,739 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 21:10:02,739 INFO L87 Difference]: Start difference. First operand 78 states and 125 transitions. Second operand has 3 states, 3 states have (on average 12.0) internal successors, (36), 2 states have internal predecessors, (36), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2023-11-23 21:10:02,950 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:10:02,950 INFO L93 Difference]: Finished difference Result 225 states and 365 transitions. [2023-11-23 21:10:02,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-23 21:10:02,951 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.0) internal successors, (36), 2 states have internal predecessors, (36), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) Word has length 168 [2023-11-23 21:10:02,953 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:10:02,956 INFO L225 Difference]: With dead ends: 225 [2023-11-23 21:10:02,956 INFO L226 Difference]: Without dead ends: 148 [2023-11-23 21:10:02,957 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 167 GetRequests, 166 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 21:10:02,959 INFO L413 NwaCegarLoop]: 128 mSDtfsCounter, 36 mSDsluCounter, 109 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 237 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-23 21:10:02,960 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [36 Valid, 237 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-23 21:10:02,961 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 148 states. [2023-11-23 21:10:02,992 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 148 to 127. [2023-11-23 21:10:02,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 127 states, 70 states have (on average 1.3142857142857143) internal successors, (92), 70 states have internal predecessors, (92), 54 states have call successors, (54), 2 states have call predecessors, (54), 2 states have return successors, (54), 54 states have call predecessors, (54), 54 states have call successors, (54) [2023-11-23 21:10:02,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 127 states and 200 transitions. [2023-11-23 21:10:02,996 INFO L78 Accepts]: Start accepts. Automaton has 127 states and 200 transitions. Word has length 168 [2023-11-23 21:10:02,997 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:10:02,997 INFO L495 AbstractCegarLoop]: Abstraction has 127 states and 200 transitions. [2023-11-23 21:10:02,998 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.0) internal successors, (36), 2 states have internal predecessors, (36), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2023-11-23 21:10:02,998 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 200 transitions. [2023-11-23 21:10:03,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2023-11-23 21:10:03,002 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:10:03,002 INFO L195 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:10:03,018 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad0860b4-7e7d-45dd-a418-45abc8198ba3/bin/utaipan-verify-mE87zJ7Ire/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 [2023-11-23 21:10:03,209 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad0860b4-7e7d-45dd-a418-45abc8198ba3/bin/utaipan-verify-mE87zJ7Ire/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 [2023-11-23 21:10:03,210 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:10:03,211 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:10:03,211 INFO L85 PathProgramCache]: Analyzing trace with hash 1063494196, now seen corresponding path program 1 times [2023-11-23 21:10:03,212 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 21:10:03,212 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [93844111] [2023-11-23 21:10:03,212 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:10:03,212 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 [2023-11-23 21:10:03,213 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad0860b4-7e7d-45dd-a418-45abc8198ba3/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 21:10:03,214 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad0860b4-7e7d-45dd-a418-45abc8198ba3/bin/utaipan-verify-mE87zJ7Ire/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) [2023-11-23 21:10:03,216 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad0860b4-7e7d-45dd-a418-45abc8198ba3/bin/utaipan-verify-mE87zJ7Ire/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 [2023-11-23 21:10:03,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:10:03,507 INFO L262 TraceCheckSpWp]: Trace formula consists of 285 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 21:10:03,519 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:10:06,080 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2023-11-23 21:10:06,080 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 21:10:06,080 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-23 21:10:06,090 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [93844111] [2023-11-23 21:10:06,090 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [93844111] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:10:06,091 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:10:06,091 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-23 21:10:06,091 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [821527228] [2023-11-23 21:10:06,091 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:10:06,092 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-23 21:10:06,092 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-23 21:10:06,093 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-23 21:10:06,093 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 21:10:06,094 INFO L87 Difference]: Start difference. First operand 127 states and 200 transitions. Second operand has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 2 states have internal predecessors, (37), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2023-11-23 21:10:06,512 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:10:06,513 INFO L93 Difference]: Finished difference Result 219 states and 352 transitions. [2023-11-23 21:10:06,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-23 21:10:06,518 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 2 states have internal predecessors, (37), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) Word has length 169 [2023-11-23 21:10:06,519 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:10:06,521 INFO L225 Difference]: With dead ends: 219 [2023-11-23 21:10:06,522 INFO L226 Difference]: Without dead ends: 142 [2023-11-23 21:10:06,522 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 168 GetRequests, 167 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 21:10:06,524 INFO L413 NwaCegarLoop]: 115 mSDtfsCounter, 26 mSDsluCounter, 107 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 222 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-11-23 21:10:06,524 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [26 Valid, 222 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-11-23 21:10:06,525 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 142 states. [2023-11-23 21:10:06,553 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 142 to 128. [2023-11-23 21:10:06,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 128 states, 71 states have (on average 1.3098591549295775) internal successors, (93), 71 states have internal predecessors, (93), 54 states have call successors, (54), 2 states have call predecessors, (54), 2 states have return successors, (54), 54 states have call predecessors, (54), 54 states have call successors, (54) [2023-11-23 21:10:06,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 128 states and 201 transitions. [2023-11-23 21:10:06,557 INFO L78 Accepts]: Start accepts. Automaton has 128 states and 201 transitions. Word has length 169 [2023-11-23 21:10:06,558 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:10:06,558 INFO L495 AbstractCegarLoop]: Abstraction has 128 states and 201 transitions. [2023-11-23 21:10:06,559 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 2 states have internal predecessors, (37), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2023-11-23 21:10:06,559 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 201 transitions. [2023-11-23 21:10:06,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2023-11-23 21:10:06,562 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:10:06,562 INFO L195 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:10:06,570 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad0860b4-7e7d-45dd-a418-45abc8198ba3/bin/utaipan-verify-mE87zJ7Ire/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 [2023-11-23 21:10:06,770 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad0860b4-7e7d-45dd-a418-45abc8198ba3/bin/utaipan-verify-mE87zJ7Ire/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 [2023-11-23 21:10:06,770 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:10:06,771 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:10:06,771 INFO L85 PathProgramCache]: Analyzing trace with hash 1669774922, now seen corresponding path program 1 times [2023-11-23 21:10:06,772 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 21:10:06,773 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1330456056] [2023-11-23 21:10:06,773 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:10:06,773 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 [2023-11-23 21:10:06,773 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad0860b4-7e7d-45dd-a418-45abc8198ba3/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 21:10:06,775 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad0860b4-7e7d-45dd-a418-45abc8198ba3/bin/utaipan-verify-mE87zJ7Ire/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) [2023-11-23 21:10:06,808 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad0860b4-7e7d-45dd-a418-45abc8198ba3/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2023-11-23 21:10:07,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:10:07,039 INFO L262 TraceCheckSpWp]: Trace formula consists of 285 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 21:10:07,045 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:10:07,682 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2023-11-23 21:10:07,682 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 21:10:07,683 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-23 21:10:07,683 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1330456056] [2023-11-23 21:10:07,683 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1330456056] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:10:07,684 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:10:07,684 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-23 21:10:07,684 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [572182385] [2023-11-23 21:10:07,684 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:10:07,685 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-23 21:10:07,686 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-23 21:10:07,686 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-23 21:10:07,687 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 21:10:07,687 INFO L87 Difference]: Start difference. First operand 128 states and 201 transitions. Second operand has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 2 states have internal predecessors, (38), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2023-11-23 21:10:07,974 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:10:07,974 INFO L93 Difference]: Finished difference Result 220 states and 352 transitions. [2023-11-23 21:10:07,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-23 21:10:07,975 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 2 states have internal predecessors, (38), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) Word has length 170 [2023-11-23 21:10:07,976 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:10:07,978 INFO L225 Difference]: With dead ends: 220 [2023-11-23 21:10:07,978 INFO L226 Difference]: Without dead ends: 143 [2023-11-23 21:10:07,979 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 169 GetRequests, 168 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 21:10:07,980 INFO L413 NwaCegarLoop]: 120 mSDtfsCounter, 24 mSDsluCounter, 114 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 24 SdHoareTripleChecker+Valid, 234 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-23 21:10:07,981 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [24 Valid, 234 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-23 21:10:07,982 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 143 states. [2023-11-23 21:10:08,010 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 143 to 130. [2023-11-23 21:10:08,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 130 states, 73 states have (on average 1.3013698630136987) internal successors, (95), 73 states have internal predecessors, (95), 54 states have call successors, (54), 2 states have call predecessors, (54), 2 states have return successors, (54), 54 states have call predecessors, (54), 54 states have call successors, (54) [2023-11-23 21:10:08,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 130 states and 203 transitions. [2023-11-23 21:10:08,013 INFO L78 Accepts]: Start accepts. Automaton has 130 states and 203 transitions. Word has length 170 [2023-11-23 21:10:08,014 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:10:08,014 INFO L495 AbstractCegarLoop]: Abstraction has 130 states and 203 transitions. [2023-11-23 21:10:08,015 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 2 states have internal predecessors, (38), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2023-11-23 21:10:08,015 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 203 transitions. [2023-11-23 21:10:08,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2023-11-23 21:10:08,017 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:10:08,018 INFO L195 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:10:08,031 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad0860b4-7e7d-45dd-a418-45abc8198ba3/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2023-11-23 21:10:08,225 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad0860b4-7e7d-45dd-a418-45abc8198ba3/bin/utaipan-verify-mE87zJ7Ire/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 [2023-11-23 21:10:08,225 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:10:08,226 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:10:08,226 INFO L85 PathProgramCache]: Analyzing trace with hash -1345328696, now seen corresponding path program 1 times [2023-11-23 21:10:08,227 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 21:10:08,227 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [920999962] [2023-11-23 21:10:08,227 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:10:08,228 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 [2023-11-23 21:10:08,228 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad0860b4-7e7d-45dd-a418-45abc8198ba3/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 21:10:08,229 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad0860b4-7e7d-45dd-a418-45abc8198ba3/bin/utaipan-verify-mE87zJ7Ire/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) [2023-11-23 21:10:08,231 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad0860b4-7e7d-45dd-a418-45abc8198ba3/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2023-11-23 21:10:08,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:10:08,515 INFO L262 TraceCheckSpWp]: Trace formula consists of 286 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-23 21:10:08,520 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:10:10,068 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2023-11-23 21:10:10,069 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 21:10:10,069 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-23 21:10:10,069 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [920999962] [2023-11-23 21:10:10,069 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [920999962] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:10:10,069 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:10:10,069 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-23 21:10:10,070 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1872940126] [2023-11-23 21:10:10,070 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:10:10,070 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-23 21:10:10,071 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-23 21:10:10,071 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-23 21:10:10,072 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-23 21:10:10,072 INFO L87 Difference]: Start difference. First operand 130 states and 203 transitions. Second operand has 5 states, 5 states have (on average 7.6) internal successors, (38), 4 states have internal predecessors, (38), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2023-11-23 21:10:10,641 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:10:10,642 INFO L93 Difference]: Finished difference Result 233 states and 369 transitions. [2023-11-23 21:10:10,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-23 21:10:10,646 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.6) internal successors, (38), 4 states have internal predecessors, (38), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) Word has length 170 [2023-11-23 21:10:10,646 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:10:10,648 INFO L225 Difference]: With dead ends: 233 [2023-11-23 21:10:10,649 INFO L226 Difference]: Without dead ends: 156 [2023-11-23 21:10:10,649 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 172 GetRequests, 166 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-11-23 21:10:10,650 INFO L413 NwaCegarLoop]: 115 mSDtfsCounter, 103 mSDsluCounter, 286 mSDsCounter, 0 mSdLazyCounter, 97 mSolverCounterSat, 55 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 103 SdHoareTripleChecker+Valid, 401 SdHoareTripleChecker+Invalid, 152 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 55 IncrementalHoareTripleChecker+Valid, 97 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-11-23 21:10:10,651 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [103 Valid, 401 Invalid, 152 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [55 Valid, 97 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-11-23 21:10:10,652 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 156 states. [2023-11-23 21:10:10,681 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 156 to 139. [2023-11-23 21:10:10,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 139 states, 82 states have (on average 1.353658536585366) internal successors, (111), 82 states have internal predecessors, (111), 54 states have call successors, (54), 2 states have call predecessors, (54), 2 states have return successors, (54), 54 states have call predecessors, (54), 54 states have call successors, (54) [2023-11-23 21:10:10,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 139 states and 219 transitions. [2023-11-23 21:10:10,684 INFO L78 Accepts]: Start accepts. Automaton has 139 states and 219 transitions. Word has length 170 [2023-11-23 21:10:10,684 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:10:10,685 INFO L495 AbstractCegarLoop]: Abstraction has 139 states and 219 transitions. [2023-11-23 21:10:10,685 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.6) internal successors, (38), 4 states have internal predecessors, (38), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2023-11-23 21:10:10,685 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 219 transitions. [2023-11-23 21:10:10,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2023-11-23 21:10:10,688 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:10:10,688 INFO L195 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:10:10,709 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad0860b4-7e7d-45dd-a418-45abc8198ba3/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2023-11-23 21:10:10,895 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad0860b4-7e7d-45dd-a418-45abc8198ba3/bin/utaipan-verify-mE87zJ7Ire/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 [2023-11-23 21:10:10,895 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:10:10,896 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:10:10,896 INFO L85 PathProgramCache]: Analyzing trace with hash 1566330583, now seen corresponding path program 1 times [2023-11-23 21:10:10,897 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 21:10:10,897 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [201604099] [2023-11-23 21:10:10,897 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:10:10,897 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 [2023-11-23 21:10:10,897 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad0860b4-7e7d-45dd-a418-45abc8198ba3/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 21:10:10,898 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad0860b4-7e7d-45dd-a418-45abc8198ba3/bin/utaipan-verify-mE87zJ7Ire/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) [2023-11-23 21:10:10,914 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad0860b4-7e7d-45dd-a418-45abc8198ba3/bin/utaipan-verify-mE87zJ7Ire/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 [2023-11-23 21:10:11,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:10:11,224 INFO L262 TraceCheckSpWp]: Trace formula consists of 286 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 21:10:11,229 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:10:11,989 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 308 proven. 69 refuted. 0 times theorem prover too weak. 1027 trivial. 0 not checked. [2023-11-23 21:10:11,989 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-23 21:10:12,502 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 9 proven. 69 refuted. 0 times theorem prover too weak. 1326 trivial. 0 not checked. [2023-11-23 21:10:12,502 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-23 21:10:12,502 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [201604099] [2023-11-23 21:10:12,502 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [201604099] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-23 21:10:12,502 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1711448779] [2023-11-23 21:10:12,503 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:10:12,503 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-23 21:10:12,503 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad0860b4-7e7d-45dd-a418-45abc8198ba3/bin/utaipan-verify-mE87zJ7Ire/cvc4 [2023-11-23 21:10:12,505 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad0860b4-7e7d-45dd-a418-45abc8198ba3/bin/utaipan-verify-mE87zJ7Ire/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-23 21:10:12,511 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad0860b4-7e7d-45dd-a418-45abc8198ba3/bin/utaipan-verify-mE87zJ7Ire/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2023-11-23 21:10:12,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:10:13,018 INFO L262 TraceCheckSpWp]: Trace formula consists of 286 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 21:10:13,022 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:10:13,111 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2023-11-23 21:10:13,111 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 21:10:13,111 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1711448779] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:10:13,111 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2023-11-23 21:10:13,112 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [6, 6] total 11 [2023-11-23 21:10:13,112 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1941929475] [2023-11-23 21:10:13,112 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:10:13,113 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-23 21:10:13,113 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-23 21:10:13,114 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-23 21:10:13,114 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2023-11-23 21:10:13,114 INFO L87 Difference]: Start difference. First operand 139 states and 219 transitions. Second operand has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2023-11-23 21:10:13,390 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:10:13,391 INFO L93 Difference]: Finished difference Result 290 states and 461 transitions. [2023-11-23 21:10:13,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-23 21:10:13,391 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) Word has length 171 [2023-11-23 21:10:13,392 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:10:13,395 INFO L225 Difference]: With dead ends: 290 [2023-11-23 21:10:13,395 INFO L226 Difference]: Without dead ends: 213 [2023-11-23 21:10:13,396 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 511 GetRequests, 500 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2023-11-23 21:10:13,397 INFO L413 NwaCegarLoop]: 215 mSDtfsCounter, 114 mSDsluCounter, 326 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 114 SdHoareTripleChecker+Valid, 541 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-23 21:10:13,397 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [114 Valid, 541 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-23 21:10:13,398 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 213 states. [2023-11-23 21:10:13,431 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 213 to 198. [2023-11-23 21:10:13,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 198 states, 113 states have (on average 1.3097345132743363) internal successors, (148), 113 states have internal predecessors, (148), 81 states have call successors, (81), 3 states have call predecessors, (81), 3 states have return successors, (81), 81 states have call predecessors, (81), 81 states have call successors, (81) [2023-11-23 21:10:13,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 198 states and 310 transitions. [2023-11-23 21:10:13,435 INFO L78 Accepts]: Start accepts. Automaton has 198 states and 310 transitions. Word has length 171 [2023-11-23 21:10:13,436 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:10:13,436 INFO L495 AbstractCegarLoop]: Abstraction has 198 states and 310 transitions. [2023-11-23 21:10:13,437 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2023-11-23 21:10:13,437 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 310 transitions. [2023-11-23 21:10:13,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2023-11-23 21:10:13,439 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:10:13,440 INFO L195 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:10:13,450 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad0860b4-7e7d-45dd-a418-45abc8198ba3/bin/utaipan-verify-mE87zJ7Ire/cvc4 --incremental --print-success --lang smt (8)] Ended with exit code 0 [2023-11-23 21:10:13,649 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad0860b4-7e7d-45dd-a418-45abc8198ba3/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2023-11-23 21:10:13,844 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad0860b4-7e7d-45dd-a418-45abc8198ba3/bin/utaipan-verify-mE87zJ7Ire/cvc4 --incremental --print-success --lang smt,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad0860b4-7e7d-45dd-a418-45abc8198ba3/bin/utaipan-verify-mE87zJ7Ire/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 [2023-11-23 21:10:13,844 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:10:13,845 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:10:13,845 INFO L85 PathProgramCache]: Analyzing trace with hash 1566390165, now seen corresponding path program 1 times [2023-11-23 21:10:13,845 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 21:10:13,845 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1219864663] [2023-11-23 21:10:13,846 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:10:13,846 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 [2023-11-23 21:10:13,846 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad0860b4-7e7d-45dd-a418-45abc8198ba3/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 21:10:13,847 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad0860b4-7e7d-45dd-a418-45abc8198ba3/bin/utaipan-verify-mE87zJ7Ire/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) [2023-11-23 21:10:13,848 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad0860b4-7e7d-45dd-a418-45abc8198ba3/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2023-11-23 21:10:14,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:10:14,093 INFO L262 TraceCheckSpWp]: Trace formula consists of 284 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 21:10:14,098 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:10:14,753 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 308 proven. 69 refuted. 0 times theorem prover too weak. 1027 trivial. 0 not checked. [2023-11-23 21:10:14,754 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-23 21:10:15,212 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 9 proven. 69 refuted. 0 times theorem prover too weak. 1326 trivial. 0 not checked. [2023-11-23 21:10:15,213 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-23 21:10:15,213 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1219864663] [2023-11-23 21:10:15,213 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1219864663] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-23 21:10:15,214 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1444402293] [2023-11-23 21:10:15,214 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:10:15,214 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-23 21:10:15,214 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad0860b4-7e7d-45dd-a418-45abc8198ba3/bin/utaipan-verify-mE87zJ7Ire/cvc4 [2023-11-23 21:10:15,226 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad0860b4-7e7d-45dd-a418-45abc8198ba3/bin/utaipan-verify-mE87zJ7Ire/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-23 21:10:15,234 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad0860b4-7e7d-45dd-a418-45abc8198ba3/bin/utaipan-verify-mE87zJ7Ire/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2023-11-23 21:10:16,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:10:16,225 INFO L262 TraceCheckSpWp]: Trace formula consists of 284 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 21:10:16,229 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:10:17,222 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2023-11-23 21:10:17,223 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 21:10:17,223 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1444402293] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:10:17,223 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2023-11-23 21:10:17,224 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6, 6] total 11 [2023-11-23 21:10:17,224 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [229348431] [2023-11-23 21:10:17,224 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:10:17,225 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-23 21:10:17,225 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-23 21:10:17,226 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-23 21:10:17,226 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2023-11-23 21:10:17,226 INFO L87 Difference]: Start difference. First operand 198 states and 310 transitions. Second operand has 4 states, 4 states have (on average 9.75) internal successors, (39), 3 states have internal predecessors, (39), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2023-11-23 21:10:19,423 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.77s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 21:10:22,693 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.46s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 21:10:23,907 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.21s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 21:10:24,111 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:10:24,111 INFO L93 Difference]: Finished difference Result 338 states and 531 transitions. [2023-11-23 21:10:24,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-23 21:10:24,116 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.75) internal successors, (39), 3 states have internal predecessors, (39), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) Word has length 171 [2023-11-23 21:10:24,117 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:10:24,119 INFO L225 Difference]: With dead ends: 338 [2023-11-23 21:10:24,119 INFO L226 Difference]: Without dead ends: 202 [2023-11-23 21:10:24,120 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 511 GetRequests, 500 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2023-11-23 21:10:24,121 INFO L413 NwaCegarLoop]: 191 mSDtfsCounter, 103 mSDsluCounter, 83 mSDsCounter, 0 mSdLazyCounter, 48 mSolverCounterSat, 56 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 103 SdHoareTripleChecker+Valid, 274 SdHoareTripleChecker+Invalid, 104 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 56 IncrementalHoareTripleChecker+Valid, 48 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.8s IncrementalHoareTripleChecker+Time [2023-11-23 21:10:24,121 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [103 Valid, 274 Invalid, 104 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [56 Valid, 48 Invalid, 0 Unknown, 0 Unchecked, 6.8s Time] [2023-11-23 21:10:24,122 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 202 states. [2023-11-23 21:10:24,151 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 202 to 198. [2023-11-23 21:10:24,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 198 states, 113 states have (on average 1.2743362831858407) internal successors, (144), 113 states have internal predecessors, (144), 81 states have call successors, (81), 3 states have call predecessors, (81), 3 states have return successors, (81), 81 states have call predecessors, (81), 81 states have call successors, (81) [2023-11-23 21:10:24,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 198 states and 306 transitions. [2023-11-23 21:10:24,155 INFO L78 Accepts]: Start accepts. Automaton has 198 states and 306 transitions. Word has length 171 [2023-11-23 21:10:24,156 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:10:24,156 INFO L495 AbstractCegarLoop]: Abstraction has 198 states and 306 transitions. [2023-11-23 21:10:24,156 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.75) internal successors, (39), 3 states have internal predecessors, (39), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2023-11-23 21:10:24,156 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 306 transitions. [2023-11-23 21:10:24,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2023-11-23 21:10:24,159 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:10:24,159 INFO L195 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:10:24,166 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad0860b4-7e7d-45dd-a418-45abc8198ba3/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2023-11-23 21:10:24,371 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad0860b4-7e7d-45dd-a418-45abc8198ba3/bin/utaipan-verify-mE87zJ7Ire/cvc4 --incremental --print-success --lang smt (10)] Ended with exit code 0 [2023-11-23 21:10:24,566 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad0860b4-7e7d-45dd-a418-45abc8198ba3/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad0860b4-7e7d-45dd-a418-45abc8198ba3/bin/utaipan-verify-mE87zJ7Ire/cvc4 --incremental --print-success --lang smt [2023-11-23 21:10:24,566 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:10:24,567 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:10:24,567 INFO L85 PathProgramCache]: Analyzing trace with hash -1328240575, now seen corresponding path program 1 times [2023-11-23 21:10:24,567 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 21:10:24,568 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [59561183] [2023-11-23 21:10:24,568 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:10:24,568 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 [2023-11-23 21:10:24,568 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad0860b4-7e7d-45dd-a418-45abc8198ba3/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 21:10:24,569 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad0860b4-7e7d-45dd-a418-45abc8198ba3/bin/utaipan-verify-mE87zJ7Ire/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) [2023-11-23 21:10:24,574 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad0860b4-7e7d-45dd-a418-45abc8198ba3/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2023-11-23 21:10:24,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:10:24,870 INFO L262 TraceCheckSpWp]: Trace formula consists of 285 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 21:10:24,874 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:10:25,456 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 308 proven. 69 refuted. 0 times theorem prover too weak. 1027 trivial. 0 not checked. [2023-11-23 21:10:25,456 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-23 21:10:25,938 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 9 proven. 69 refuted. 0 times theorem prover too weak. 1326 trivial. 0 not checked. [2023-11-23 21:10:25,938 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-23 21:10:25,938 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [59561183] [2023-11-23 21:10:25,939 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [59561183] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-23 21:10:25,939 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [988512865] [2023-11-23 21:10:25,939 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:10:25,939 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-23 21:10:25,939 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad0860b4-7e7d-45dd-a418-45abc8198ba3/bin/utaipan-verify-mE87zJ7Ire/cvc4 [2023-11-23 21:10:25,940 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad0860b4-7e7d-45dd-a418-45abc8198ba3/bin/utaipan-verify-mE87zJ7Ire/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-23 21:10:25,961 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad0860b4-7e7d-45dd-a418-45abc8198ba3/bin/utaipan-verify-mE87zJ7Ire/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2023-11-23 21:10:27,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:10:27,153 INFO L262 TraceCheckSpWp]: Trace formula consists of 285 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-23 21:10:27,158 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:10:27,794 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 308 proven. 69 refuted. 0 times theorem prover too weak. 1027 trivial. 0 not checked. [2023-11-23 21:10:27,794 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-23 21:10:28,155 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 9 proven. 69 refuted. 0 times theorem prover too weak. 1326 trivial. 0 not checked. [2023-11-23 21:10:28,155 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [988512865] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-23 21:10:28,156 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [960033122] [2023-11-23 21:10:28,156 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:10:28,156 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 21:10:28,156 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad0860b4-7e7d-45dd-a418-45abc8198ba3/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:10:28,157 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad0860b4-7e7d-45dd-a418-45abc8198ba3/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-23 21:10:28,158 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad0860b4-7e7d-45dd-a418-45abc8198ba3/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2023-11-23 21:10:28,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:10:28,309 INFO L262 TraceCheckSpWp]: Trace formula consists of 285 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-23 21:10:28,313 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:10:29,824 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 308 proven. 69 refuted. 0 times theorem prover too weak. 1027 trivial. 0 not checked. [2023-11-23 21:10:29,824 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-23 21:10:30,537 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 9 proven. 69 refuted. 0 times theorem prover too weak. 1326 trivial. 0 not checked. [2023-11-23 21:10:30,537 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [960033122] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-23 21:10:30,537 INFO L185 FreeRefinementEngine]: Found 0 perfect and 6 imperfect interpolant sequences. [2023-11-23 21:10:30,538 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6, 6, 6, 7] total 15 [2023-11-23 21:10:30,538 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [464087174] [2023-11-23 21:10:30,538 INFO L85 oduleStraightlineAll]: Using 6 imperfect interpolants to construct interpolant automaton [2023-11-23 21:10:30,539 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2023-11-23 21:10:30,539 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-23 21:10:30,540 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2023-11-23 21:10:30,541 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=144, Unknown=0, NotChecked=0, Total=210 [2023-11-23 21:10:30,541 INFO L87 Difference]: Start difference. First operand 198 states and 306 transitions. Second operand has 15 states, 15 states have (on average 6.8) internal successors, (102), 15 states have internal predecessors, (102), 5 states have call successors, (100), 4 states have call predecessors, (100), 8 states have return successors, (102), 5 states have call predecessors, (102), 5 states have call successors, (102) [2023-11-23 21:10:31,401 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:10:31,401 INFO L93 Difference]: Finished difference Result 291 states and 441 transitions. [2023-11-23 21:10:31,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-11-23 21:10:31,406 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 6.8) internal successors, (102), 15 states have internal predecessors, (102), 5 states have call successors, (100), 4 states have call predecessors, (100), 8 states have return successors, (102), 5 states have call predecessors, (102), 5 states have call successors, (102) Word has length 172 [2023-11-23 21:10:31,407 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:10:31,409 INFO L225 Difference]: With dead ends: 291 [2023-11-23 21:10:31,409 INFO L226 Difference]: Without dead ends: 155 [2023-11-23 21:10:31,410 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1030 GetRequests, 1010 SyntacticMatches, 3 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=122, Invalid=220, Unknown=0, NotChecked=0, Total=342 [2023-11-23 21:10:31,411 INFO L413 NwaCegarLoop]: 81 mSDtfsCounter, 131 mSDsluCounter, 158 mSDsCounter, 0 mSdLazyCounter, 239 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 133 SdHoareTripleChecker+Valid, 239 SdHoareTripleChecker+Invalid, 257 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 239 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-11-23 21:10:31,413 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [133 Valid, 239 Invalid, 257 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 239 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-11-23 21:10:31,415 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 155 states. [2023-11-23 21:10:31,447 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 155 to 147. [2023-11-23 21:10:31,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 147 states, 88 states have (on average 1.25) internal successors, (110), 88 states have internal predecessors, (110), 54 states have call successors, (54), 4 states have call predecessors, (54), 4 states have return successors, (54), 54 states have call predecessors, (54), 54 states have call successors, (54) [2023-11-23 21:10:31,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 147 states and 218 transitions. [2023-11-23 21:10:31,450 INFO L78 Accepts]: Start accepts. Automaton has 147 states and 218 transitions. Word has length 172 [2023-11-23 21:10:31,451 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:10:31,451 INFO L495 AbstractCegarLoop]: Abstraction has 147 states and 218 transitions. [2023-11-23 21:10:31,452 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 6.8) internal successors, (102), 15 states have internal predecessors, (102), 5 states have call successors, (100), 4 states have call predecessors, (100), 8 states have return successors, (102), 5 states have call predecessors, (102), 5 states have call successors, (102) [2023-11-23 21:10:31,452 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 218 transitions. [2023-11-23 21:10:31,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2023-11-23 21:10:31,455 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:10:31,455 INFO L195 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:10:31,487 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad0860b4-7e7d-45dd-a418-45abc8198ba3/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2023-11-23 21:10:31,683 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad0860b4-7e7d-45dd-a418-45abc8198ba3/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (11)] Forceful destruction successful, exit code 0 [2023-11-23 21:10:31,877 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad0860b4-7e7d-45dd-a418-45abc8198ba3/bin/utaipan-verify-mE87zJ7Ire/cvc4 --incremental --print-success --lang smt (12)] Forceful destruction successful, exit code 0 [2023-11-23 21:10:32,072 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad0860b4-7e7d-45dd-a418-45abc8198ba3/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true,11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad0860b4-7e7d-45dd-a418-45abc8198ba3/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad0860b4-7e7d-45dd-a418-45abc8198ba3/bin/utaipan-verify-mE87zJ7Ire/cvc4 --incremental --print-success --lang smt [2023-11-23 21:10:32,073 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:10:32,073 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:10:32,073 INFO L85 PathProgramCache]: Analyzing trace with hash 753094254, now seen corresponding path program 1 times [2023-11-23 21:10:32,074 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 21:10:32,074 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [313804426] [2023-11-23 21:10:32,074 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:10:32,074 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 [2023-11-23 21:10:32,074 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad0860b4-7e7d-45dd-a418-45abc8198ba3/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 21:10:32,076 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad0860b4-7e7d-45dd-a418-45abc8198ba3/bin/utaipan-verify-mE87zJ7Ire/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) [2023-11-23 21:10:32,079 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad0860b4-7e7d-45dd-a418-45abc8198ba3/bin/utaipan-verify-mE87zJ7Ire/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 (14)] Waiting until timeout for monitored process [2023-11-23 21:10:32,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:10:32,283 INFO L262 TraceCheckSpWp]: Trace formula consists of 289 conjuncts, 24 conjunts are in the unsatisfiable core [2023-11-23 21:10:32,290 INFO L285 TraceCheckSpWp]: Computing forward predicates...