./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-sp_file-26.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_696f5eb5-1c7f-4274-af6d-394ad55654a5/bin/utaipan-verify-t7M7D8N6sZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_696f5eb5-1c7f-4274-af6d-394ad55654a5/bin/utaipan-verify-t7M7D8N6sZ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_696f5eb5-1c7f-4274-af6d-394ad55654a5/bin/utaipan-verify-t7M7D8N6sZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_696f5eb5-1c7f-4274-af6d-394ad55654a5/bin/utaipan-verify-t7M7D8N6sZ/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-sp_file-26.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_696f5eb5-1c7f-4274-af6d-394ad55654a5/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_696f5eb5-1c7f-4274-af6d-394ad55654a5/bin/utaipan-verify-t7M7D8N6sZ --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 3291167999bb7bd7f68091110884d1151ee296ff17c178c4f709963149d4b67b --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 04:59:38,629 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 04:59:38,754 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_696f5eb5-1c7f-4274-af6d-394ad55654a5/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-11-19 04:59:38,762 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 04:59:38,763 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 04:59:38,810 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 04:59:38,810 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 04:59:38,811 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 04:59:38,812 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 04:59:38,818 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 04:59:38,818 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-19 04:59:38,820 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-19 04:59:38,820 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-19 04:59:38,822 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-19 04:59:38,823 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-19 04:59:38,823 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-19 04:59:38,823 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-19 04:59:38,824 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-19 04:59:38,824 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-19 04:59:38,825 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-19 04:59:38,825 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-19 04:59:38,826 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-19 04:59:38,827 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 04:59:38,827 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 04:59:38,828 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 04:59:38,828 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 04:59:38,829 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 04:59:38,829 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 04:59:38,829 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 04:59:38,830 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 04:59:38,830 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 04:59:38,831 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 04:59:38,831 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 04:59:38,831 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 04:59:38,831 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 04:59:38,832 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 04:59:38,832 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 04:59:38,832 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 04:59:38,832 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 04:59:38,833 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 04:59:38,833 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-19 04:59:38,833 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 04:59:38,834 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 04:59:38,834 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-19 04:59:38,834 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 04:59:38,834 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_696f5eb5-1c7f-4274-af6d-394ad55654a5/bin/utaipan-verify-t7M7D8N6sZ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_696f5eb5-1c7f-4274-af6d-394ad55654a5/bin/utaipan-verify-t7M7D8N6sZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3291167999bb7bd7f68091110884d1151ee296ff17c178c4f709963149d4b67b [2023-11-19 04:59:39,113 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 04:59:39,154 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 04:59:39,157 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 04:59:39,158 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 04:59:39,159 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 04:59:39,162 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_696f5eb5-1c7f-4274-af6d-394ad55654a5/bin/utaipan-verify-t7M7D8N6sZ/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-sp_file-26.i [2023-11-19 04:59:42,740 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 04:59:43,048 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 04:59:43,049 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_696f5eb5-1c7f-4274-af6d-394ad55654a5/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-sp_file-26.i [2023-11-19 04:59:43,061 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_696f5eb5-1c7f-4274-af6d-394ad55654a5/bin/utaipan-verify-t7M7D8N6sZ/data/cc995b937/0c5d4bf038764739acc6e399f2434945/FLAGd72a46b57 [2023-11-19 04:59:43,079 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_696f5eb5-1c7f-4274-af6d-394ad55654a5/bin/utaipan-verify-t7M7D8N6sZ/data/cc995b937/0c5d4bf038764739acc6e399f2434945 [2023-11-19 04:59:43,082 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 04:59:43,084 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 04:59:43,086 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 04:59:43,086 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 04:59:43,093 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 04:59:43,094 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:59:43" (1/1) ... [2023-11-19 04:59:43,095 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2ca7018f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:59:43, skipping insertion in model container [2023-11-19 04:59:43,095 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:59:43" (1/1) ... [2023-11-19 04:59:43,146 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 04:59:43,343 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_696f5eb5-1c7f-4274-af6d-394ad55654a5/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-sp_file-26.i[917,930] [2023-11-19 04:59:43,417 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:59:43,432 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 04:59:43,448 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_696f5eb5-1c7f-4274-af6d-394ad55654a5/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-sp_file-26.i[917,930] [2023-11-19 04:59:43,503 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:59:43,531 INFO L206 MainTranslator]: Completed translation [2023-11-19 04:59:43,531 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:59:43 WrapperNode [2023-11-19 04:59:43,532 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 04:59:43,533 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 04:59:43,533 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 04:59:43,534 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 04:59:43,543 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:59:43" (1/1) ... [2023-11-19 04:59:43,562 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:59:43" (1/1) ... [2023-11-19 04:59:43,632 INFO L138 Inliner]: procedures = 29, calls = 150, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 420 [2023-11-19 04:59:43,633 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 04:59:43,634 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 04:59:43,634 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 04:59:43,634 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 04:59:43,646 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:59:43" (1/1) ... [2023-11-19 04:59:43,646 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:59:43" (1/1) ... [2023-11-19 04:59:43,657 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:59:43" (1/1) ... [2023-11-19 04:59:43,657 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:59:43" (1/1) ... [2023-11-19 04:59:43,681 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:59:43" (1/1) ... [2023-11-19 04:59:43,687 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:59:43" (1/1) ... [2023-11-19 04:59:43,692 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:59:43" (1/1) ... [2023-11-19 04:59:43,697 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:59:43" (1/1) ... [2023-11-19 04:59:43,705 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 04:59:43,706 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 04:59:43,707 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 04:59:43,707 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 04:59:43,708 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:59:43" (1/1) ... [2023-11-19 04:59:43,715 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 04:59:43,733 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_696f5eb5-1c7f-4274-af6d-394ad55654a5/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 04:59:43,752 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_696f5eb5-1c7f-4274-af6d-394ad55654a5/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 04:59:43,774 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_696f5eb5-1c7f-4274-af6d-394ad55654a5/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 04:59:43,818 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 04:59:43,819 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 04:59:43,819 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2023-11-19 04:59:43,819 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2023-11-19 04:59:43,819 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 04:59:43,819 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2023-11-19 04:59:43,822 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 04:59:43,823 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 04:59:43,823 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 04:59:43,823 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 04:59:43,824 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 04:59:44,022 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 04:59:44,031 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 04:59:44,771 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 04:59:45,808 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 04:59:45,809 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 04:59:45,813 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:59:45 BoogieIcfgContainer [2023-11-19 04:59:45,814 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 04:59:45,817 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 04:59:45,817 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 04:59:45,820 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 04:59:45,821 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 04:59:43" (1/3) ... [2023-11-19 04:59:45,821 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@dd57a33 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 04:59:45, skipping insertion in model container [2023-11-19 04:59:45,822 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:59:43" (2/3) ... [2023-11-19 04:59:45,822 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@dd57a33 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 04:59:45, skipping insertion in model container [2023-11-19 04:59:45,822 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:59:45" (3/3) ... [2023-11-19 04:59:45,824 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-sp_file-26.i [2023-11-19 04:59:45,845 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 04:59:45,845 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-19 04:59:45,900 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 04:59:45,908 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;@4b6b51bf, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-19 04:59:45,908 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-19 04:59:45,913 INFO L276 IsEmpty]: Start isEmpty. Operand has 27 states, 15 states have (on average 1.2) internal successors, (18), 16 states have internal predecessors, (18), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2023-11-19 04:59:45,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-11-19 04:59:45,923 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 04:59:45,924 INFO L195 NwaCegarLoop]: trace histogram [9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 04:59:45,924 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 04:59:45,930 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:59:45,930 INFO L85 PathProgramCache]: Analyzing trace with hash -600556647, now seen corresponding path program 1 times [2023-11-19 04:59:45,942 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 04:59:45,942 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1899980975] [2023-11-19 04:59:45,942 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:59:45,943 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:59:46,191 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-19 04:59:46,192 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [952075355] [2023-11-19 04:59:46,192 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:59:46,193 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 04:59:46,193 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_696f5eb5-1c7f-4274-af6d-394ad55654a5/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 04:59:46,196 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_696f5eb5-1c7f-4274-af6d-394ad55654a5/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 04:59:46,223 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_696f5eb5-1c7f-4274-af6d-394ad55654a5/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-19 04:59:47,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 04:59:47,523 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 04:59:49,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 04:59:49,229 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-11-19 04:59:49,232 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-19 04:59:49,234 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-19 04:59:49,264 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_696f5eb5-1c7f-4274-af6d-394ad55654a5/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-19 04:59:49,452 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_696f5eb5-1c7f-4274-af6d-394ad55654a5/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-11-19 04:59:49,457 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-19 04:59:49,461 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-19 04:59:49,516 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem54 could not be translated [2023-11-19 04:59:49,518 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem54 could not be translated [2023-11-19 04:59:49,518 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem55 could not be translated [2023-11-19 04:59:49,519 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem55 could not be translated [2023-11-19 04:59:49,520 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem60 could not be translated [2023-11-19 04:59:49,521 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem58 could not be translated [2023-11-19 04:59:49,521 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short59 could not be translated [2023-11-19 04:59:49,521 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short63 could not be translated [2023-11-19 04:59:49,521 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem61 could not be translated [2023-11-19 04:59:49,521 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short62 could not be translated [2023-11-19 04:59:49,522 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem57 could not be translated [2023-11-19 04:59:49,523 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short62 could not be translated [2023-11-19 04:59:49,523 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short59 could not be translated [2023-11-19 04:59:49,523 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem57 could not be translated [2023-11-19 04:59:49,523 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem58 could not be translated [2023-11-19 04:59:49,524 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem60 could not be translated [2023-11-19 04:59:49,524 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem61 could not be translated [2023-11-19 04:59:49,524 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short63 could not be translated [2023-11-19 04:59:49,525 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem69 could not be translated [2023-11-19 04:59:49,525 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short70 could not be translated [2023-11-19 04:59:49,525 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short71 could not be translated [2023-11-19 04:59:49,525 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem68 could not be translated [2023-11-19 04:59:49,526 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem65 could not be translated [2023-11-19 04:59:49,526 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short67 could not be translated [2023-11-19 04:59:49,526 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem66 could not be translated [2023-11-19 04:59:49,527 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem66 could not be translated [2023-11-19 04:59:49,527 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem69 could not be translated [2023-11-19 04:59:49,528 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short67 could not be translated [2023-11-19 04:59:49,528 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short71 could not be translated [2023-11-19 04:59:49,528 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short70 could not be translated [2023-11-19 04:59:49,528 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem65 could not be translated [2023-11-19 04:59:49,528 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem68 could not be translated [2023-11-19 04:59:49,529 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem73 could not be translated [2023-11-19 04:59:49,530 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem73 could not be translated [2023-11-19 04:59:49,531 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem74 could not be translated [2023-11-19 04:59:49,532 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem74 could not be translated [2023-11-19 04:59:49,533 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem76 could not be translated [2023-11-19 04:59:49,534 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem76 could not be translated [2023-11-19 04:59:49,535 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem77 could not be translated [2023-11-19 04:59:49,535 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem77 could not be translated [2023-11-19 04:59:49,536 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem78 could not be translated [2023-11-19 04:59:49,537 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem78 could not be translated [2023-11-19 04:59:49,559 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 04:59:49 BoogieIcfgContainer [2023-11-19 04:59:49,559 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-19 04:59:49,560 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 04:59:49,560 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 04:59:49,560 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 04:59:49,561 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:59:45" (3/4) ... [2023-11-19 04:59:49,563 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-19 04:59:49,565 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 04:59:49,566 INFO L158 Benchmark]: Toolchain (without parser) took 6481.87ms. Allocated memory was 153.1MB in the beginning and 192.9MB in the end (delta: 39.8MB). Free memory was 116.3MB in the beginning and 84.1MB in the end (delta: 32.1MB). Peak memory consumption was 74.1MB. Max. memory is 16.1GB. [2023-11-19 04:59:49,567 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 104.9MB. Free memory is still 51.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 04:59:49,568 INFO L158 Benchmark]: CACSL2BoogieTranslator took 446.27ms. Allocated memory is still 153.1MB. Free memory was 115.8MB in the beginning and 101.1MB in the end (delta: 14.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-19 04:59:49,569 INFO L158 Benchmark]: Boogie Procedure Inliner took 99.69ms. Allocated memory is still 153.1MB. Free memory was 101.1MB in the beginning and 97.0MB in the end (delta: 4.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-19 04:59:49,569 INFO L158 Benchmark]: Boogie Preprocessor took 71.90ms. Allocated memory is still 153.1MB. Free memory was 97.0MB in the beginning and 94.4MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 04:59:49,570 INFO L158 Benchmark]: RCFGBuilder took 2107.49ms. Allocated memory was 153.1MB in the beginning and 192.9MB in the end (delta: 39.8MB). Free memory was 94.0MB in the beginning and 156.4MB in the end (delta: -62.4MB). Peak memory consumption was 51.0MB. Max. memory is 16.1GB. [2023-11-19 04:59:49,571 INFO L158 Benchmark]: TraceAbstraction took 3742.98ms. Allocated memory is still 192.9MB. Free memory was 155.4MB in the beginning and 85.2MB in the end (delta: 70.3MB). Peak memory consumption was 71.3MB. Max. memory is 16.1GB. [2023-11-19 04:59:49,572 INFO L158 Benchmark]: Witness Printer took 4.79ms. Allocated memory is still 192.9MB. Free memory was 85.2MB in the beginning and 84.1MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 04:59:49,576 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 104.9MB. Free memory is still 51.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 446.27ms. Allocated memory is still 153.1MB. Free memory was 115.8MB in the beginning and 101.1MB in the end (delta: 14.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 99.69ms. Allocated memory is still 153.1MB. Free memory was 101.1MB in the beginning and 97.0MB in the end (delta: 4.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 71.90ms. Allocated memory is still 153.1MB. Free memory was 97.0MB in the beginning and 94.4MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 2107.49ms. Allocated memory was 153.1MB in the beginning and 192.9MB in the end (delta: 39.8MB). Free memory was 94.0MB in the beginning and 156.4MB in the end (delta: -62.4MB). Peak memory consumption was 51.0MB. Max. memory is 16.1GB. * TraceAbstraction took 3742.98ms. Allocated memory is still 192.9MB. Free memory was 155.4MB in the beginning and 85.2MB in the end (delta: 70.3MB). Peak memory consumption was 71.3MB. Max. memory is 16.1GB. * Witness Printer took 4.79ms. Allocated memory is still 192.9MB. Free memory was 85.2MB in the beginning and 84.1MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem54 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem54 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem55 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem55 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem60 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem58 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short59 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short63 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem61 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short62 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem57 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short62 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short59 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem57 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem58 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem60 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem61 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short63 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem69 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short70 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short71 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem68 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem65 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short67 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem66 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem66 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem69 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short67 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short71 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short70 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem65 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem68 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem73 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem73 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem74 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem74 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem76 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem76 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem77 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem77 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem78 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem78 could not be translated - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 66, overapproximation of someBinaryArithmeticFLOAToperation at line 61. Possible FailurePath: [L34] unsigned char isInitial = 0; [L35-L46] struct WrapperStruct00 WrapperStruct00 = { -1, 1, 1.125, 199.5, 100000000000000.3, 64, 2, 50, -32, 8.75 }; [L47] signed short int* WrapperStruct00_var_1_1_Pointer = &(WrapperStruct00.var_1_1); [L48] signed short int* WrapperStruct00_var_1_4_Pointer = &(WrapperStruct00.var_1_4); [L49] float* WrapperStruct00_var_1_12_Pointer = &(WrapperStruct00.var_1_12); [L50] float* WrapperStruct00_var_1_13_Pointer = &(WrapperStruct00.var_1_13); [L51] float* WrapperStruct00_var_1_14_Pointer = &(WrapperStruct00.var_1_14); [L52] unsigned char* WrapperStruct00_var_1_15_Pointer = &(WrapperStruct00.var_1_15); [L53] unsigned char* WrapperStruct00_var_1_16_Pointer = &(WrapperStruct00.var_1_16); [L54] unsigned long int* WrapperStruct00_var_1_17_Pointer = &(WrapperStruct00.var_1_17); [L55] signed long int* WrapperStruct00_var_1_19_Pointer = &(WrapperStruct00.var_1_19); [L56] float* WrapperStruct00_var_1_20_Pointer = &(WrapperStruct00.var_1_20); [L57] unsigned char last_1_WrapperStruct00_var_1_15 = 64; [L100] isInitial = 1 [L101] FCALL initially() [L102] COND TRUE 1 [L103] CALL updateLastVariables() [L93] EXPR WrapperStruct00.var_1_15 [L93] last_1_WrapperStruct00_var_1_15 = WrapperStruct00.var_1_15 [L103] RET updateLastVariables() [L104] CALL updateVariables() [L77] WrapperStruct00.var_1_4 = __VERIFIER_nondet_short() [L78] EXPR WrapperStruct00.var_1_4 VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_12_Pointer={4:4}, WrapperStruct00_var_1_13_Pointer={4:8}, WrapperStruct00_var_1_14_Pointer={4:12}, WrapperStruct00_var_1_15_Pointer={4:16}, WrapperStruct00_var_1_16_Pointer={4:17}, WrapperStruct00_var_1_17_Pointer={4:18}, WrapperStruct00_var_1_19_Pointer={4:22}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_20_Pointer={4:26}, WrapperStruct00_var_1_4_Pointer={4:2}, isInitial=1, last_1_WrapperStruct00_var_1_15=64] [L78] CALL assume_abort_if_not(WrapperStruct00.var_1_4 >= -32767) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_12_Pointer={4:4}, WrapperStruct00_var_1_13_Pointer={4:8}, WrapperStruct00_var_1_14_Pointer={4:12}, WrapperStruct00_var_1_15_Pointer={4:16}, WrapperStruct00_var_1_16_Pointer={4:17}, WrapperStruct00_var_1_17_Pointer={4:18}, WrapperStruct00_var_1_19_Pointer={4:22}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_20_Pointer={4:26}, WrapperStruct00_var_1_4_Pointer={4:2}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_15=64] [L20] COND FALSE !(!cond) [L78] RET assume_abort_if_not(WrapperStruct00.var_1_4 >= -32767) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_12_Pointer={4:4}, WrapperStruct00_var_1_13_Pointer={4:8}, WrapperStruct00_var_1_14_Pointer={4:12}, WrapperStruct00_var_1_15_Pointer={4:16}, WrapperStruct00_var_1_16_Pointer={4:17}, WrapperStruct00_var_1_17_Pointer={4:18}, WrapperStruct00_var_1_19_Pointer={4:22}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_20_Pointer={4:26}, WrapperStruct00_var_1_4_Pointer={4:2}, isInitial=1, last_1_WrapperStruct00_var_1_15=64] [L79] EXPR WrapperStruct00.var_1_4 VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_12_Pointer={4:4}, WrapperStruct00_var_1_13_Pointer={4:8}, WrapperStruct00_var_1_14_Pointer={4:12}, WrapperStruct00_var_1_15_Pointer={4:16}, WrapperStruct00_var_1_16_Pointer={4:17}, WrapperStruct00_var_1_17_Pointer={4:18}, WrapperStruct00_var_1_19_Pointer={4:22}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_20_Pointer={4:26}, WrapperStruct00_var_1_4_Pointer={4:2}, isInitial=1, last_1_WrapperStruct00_var_1_15=64] [L79] CALL assume_abort_if_not(WrapperStruct00.var_1_4 <= 32766) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_12_Pointer={4:4}, WrapperStruct00_var_1_13_Pointer={4:8}, WrapperStruct00_var_1_14_Pointer={4:12}, WrapperStruct00_var_1_15_Pointer={4:16}, WrapperStruct00_var_1_16_Pointer={4:17}, WrapperStruct00_var_1_17_Pointer={4:18}, WrapperStruct00_var_1_19_Pointer={4:22}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_20_Pointer={4:26}, WrapperStruct00_var_1_4_Pointer={4:2}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_15=64] [L20] COND FALSE !(!cond) [L79] RET assume_abort_if_not(WrapperStruct00.var_1_4 <= 32766) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_12_Pointer={4:4}, WrapperStruct00_var_1_13_Pointer={4:8}, WrapperStruct00_var_1_14_Pointer={4:12}, WrapperStruct00_var_1_15_Pointer={4:16}, WrapperStruct00_var_1_16_Pointer={4:17}, WrapperStruct00_var_1_17_Pointer={4:18}, WrapperStruct00_var_1_19_Pointer={4:22}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_20_Pointer={4:26}, WrapperStruct00_var_1_4_Pointer={4:2}, isInitial=1, last_1_WrapperStruct00_var_1_15=64] [L80] WrapperStruct00.var_1_13 = __VERIFIER_nondet_float() [L81] EXPR WrapperStruct00.var_1_13 [L81] EXPR WrapperStruct00.var_1_13 >= 0.0F && WrapperStruct00.var_1_13 <= -1.0e-20F [L81] EXPR WrapperStruct00.var_1_13 [L81] EXPR WrapperStruct00.var_1_13 >= 0.0F && WrapperStruct00.var_1_13 <= -1.0e-20F [L81] EXPR (WrapperStruct00.var_1_13 >= 0.0F && WrapperStruct00.var_1_13 <= -1.0e-20F) || (WrapperStruct00.var_1_13 <= 4611686.018427382800e+12F && WrapperStruct00.var_1_13 >= 1.0e-20F ) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_12_Pointer={4:4}, WrapperStruct00_var_1_13_Pointer={4:8}, WrapperStruct00_var_1_14_Pointer={4:12}, WrapperStruct00_var_1_15_Pointer={4:16}, WrapperStruct00_var_1_16_Pointer={4:17}, WrapperStruct00_var_1_17_Pointer={4:18}, WrapperStruct00_var_1_19_Pointer={4:22}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_20_Pointer={4:26}, WrapperStruct00_var_1_4_Pointer={4:2}, isInitial=1, last_1_WrapperStruct00_var_1_15=64] [L81] CALL assume_abort_if_not((WrapperStruct00.var_1_13 >= 0.0F && WrapperStruct00.var_1_13 <= -1.0e-20F) || (WrapperStruct00.var_1_13 <= 4611686.018427382800e+12F && WrapperStruct00.var_1_13 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_12_Pointer={4:4}, WrapperStruct00_var_1_13_Pointer={4:8}, WrapperStruct00_var_1_14_Pointer={4:12}, WrapperStruct00_var_1_15_Pointer={4:16}, WrapperStruct00_var_1_16_Pointer={4:17}, WrapperStruct00_var_1_17_Pointer={4:18}, WrapperStruct00_var_1_19_Pointer={4:22}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_20_Pointer={4:26}, WrapperStruct00_var_1_4_Pointer={4:2}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_15=64] [L20] COND FALSE !(!cond) [L81] RET assume_abort_if_not((WrapperStruct00.var_1_13 >= 0.0F && WrapperStruct00.var_1_13 <= -1.0e-20F) || (WrapperStruct00.var_1_13 <= 4611686.018427382800e+12F && WrapperStruct00.var_1_13 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_12_Pointer={4:4}, WrapperStruct00_var_1_13_Pointer={4:8}, WrapperStruct00_var_1_14_Pointer={4:12}, WrapperStruct00_var_1_15_Pointer={4:16}, WrapperStruct00_var_1_16_Pointer={4:17}, WrapperStruct00_var_1_17_Pointer={4:18}, WrapperStruct00_var_1_19_Pointer={4:22}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_20_Pointer={4:26}, WrapperStruct00_var_1_4_Pointer={4:2}, isInitial=1, last_1_WrapperStruct00_var_1_15=64] [L82] WrapperStruct00.var_1_14 = __VERIFIER_nondet_float() [L83] EXPR WrapperStruct00.var_1_14 [L83] EXPR WrapperStruct00.var_1_14 >= -461168.6018427382800e+13F && WrapperStruct00.var_1_14 <= -1.0e-20F [L83] EXPR WrapperStruct00.var_1_14 [L83] EXPR WrapperStruct00.var_1_14 >= -461168.6018427382800e+13F && WrapperStruct00.var_1_14 <= -1.0e-20F [L83] EXPR (WrapperStruct00.var_1_14 >= -461168.6018427382800e+13F && WrapperStruct00.var_1_14 <= -1.0e-20F) || (WrapperStruct00.var_1_14 <= 4611686.018427382800e+12F && WrapperStruct00.var_1_14 >= 1.0e-20F ) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_12_Pointer={4:4}, WrapperStruct00_var_1_13_Pointer={4:8}, WrapperStruct00_var_1_14_Pointer={4:12}, WrapperStruct00_var_1_15_Pointer={4:16}, WrapperStruct00_var_1_16_Pointer={4:17}, WrapperStruct00_var_1_17_Pointer={4:18}, WrapperStruct00_var_1_19_Pointer={4:22}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_20_Pointer={4:26}, WrapperStruct00_var_1_4_Pointer={4:2}, isInitial=1, last_1_WrapperStruct00_var_1_15=64] [L83] CALL assume_abort_if_not((WrapperStruct00.var_1_14 >= -461168.6018427382800e+13F && WrapperStruct00.var_1_14 <= -1.0e-20F) || (WrapperStruct00.var_1_14 <= 4611686.018427382800e+12F && WrapperStruct00.var_1_14 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_12_Pointer={4:4}, WrapperStruct00_var_1_13_Pointer={4:8}, WrapperStruct00_var_1_14_Pointer={4:12}, WrapperStruct00_var_1_15_Pointer={4:16}, WrapperStruct00_var_1_16_Pointer={4:17}, WrapperStruct00_var_1_17_Pointer={4:18}, WrapperStruct00_var_1_19_Pointer={4:22}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_20_Pointer={4:26}, WrapperStruct00_var_1_4_Pointer={4:2}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_15=64] [L20] COND FALSE !(!cond) [L83] RET assume_abort_if_not((WrapperStruct00.var_1_14 >= -461168.6018427382800e+13F && WrapperStruct00.var_1_14 <= -1.0e-20F) || (WrapperStruct00.var_1_14 <= 4611686.018427382800e+12F && WrapperStruct00.var_1_14 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_12_Pointer={4:4}, WrapperStruct00_var_1_13_Pointer={4:8}, WrapperStruct00_var_1_14_Pointer={4:12}, WrapperStruct00_var_1_15_Pointer={4:16}, WrapperStruct00_var_1_16_Pointer={4:17}, WrapperStruct00_var_1_17_Pointer={4:18}, WrapperStruct00_var_1_19_Pointer={4:22}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_20_Pointer={4:26}, WrapperStruct00_var_1_4_Pointer={4:2}, isInitial=1, last_1_WrapperStruct00_var_1_15=64] [L84] WrapperStruct00.var_1_16 = __VERIFIER_nondet_uchar() [L85] EXPR WrapperStruct00.var_1_16 VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_12_Pointer={4:4}, WrapperStruct00_var_1_13_Pointer={4:8}, WrapperStruct00_var_1_14_Pointer={4:12}, WrapperStruct00_var_1_15_Pointer={4:16}, WrapperStruct00_var_1_16_Pointer={4:17}, WrapperStruct00_var_1_17_Pointer={4:18}, WrapperStruct00_var_1_19_Pointer={4:22}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_20_Pointer={4:26}, WrapperStruct00_var_1_4_Pointer={4:2}, isInitial=1, last_1_WrapperStruct00_var_1_15=64] [L85] CALL assume_abort_if_not(WrapperStruct00.var_1_16 >= 0) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_12_Pointer={4:4}, WrapperStruct00_var_1_13_Pointer={4:8}, WrapperStruct00_var_1_14_Pointer={4:12}, WrapperStruct00_var_1_15_Pointer={4:16}, WrapperStruct00_var_1_16_Pointer={4:17}, WrapperStruct00_var_1_17_Pointer={4:18}, WrapperStruct00_var_1_19_Pointer={4:22}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_20_Pointer={4:26}, WrapperStruct00_var_1_4_Pointer={4:2}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_15=64] [L20] COND FALSE !(!cond) [L85] RET assume_abort_if_not(WrapperStruct00.var_1_16 >= 0) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_12_Pointer={4:4}, WrapperStruct00_var_1_13_Pointer={4:8}, WrapperStruct00_var_1_14_Pointer={4:12}, WrapperStruct00_var_1_15_Pointer={4:16}, WrapperStruct00_var_1_16_Pointer={4:17}, WrapperStruct00_var_1_17_Pointer={4:18}, WrapperStruct00_var_1_19_Pointer={4:22}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_20_Pointer={4:26}, WrapperStruct00_var_1_4_Pointer={4:2}, isInitial=1, last_1_WrapperStruct00_var_1_15=64] [L86] EXPR WrapperStruct00.var_1_16 VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_12_Pointer={4:4}, WrapperStruct00_var_1_13_Pointer={4:8}, WrapperStruct00_var_1_14_Pointer={4:12}, WrapperStruct00_var_1_15_Pointer={4:16}, WrapperStruct00_var_1_16_Pointer={4:17}, WrapperStruct00_var_1_17_Pointer={4:18}, WrapperStruct00_var_1_19_Pointer={4:22}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_20_Pointer={4:26}, WrapperStruct00_var_1_4_Pointer={4:2}, isInitial=1, last_1_WrapperStruct00_var_1_15=64] [L86] CALL assume_abort_if_not(WrapperStruct00.var_1_16 <= 254) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_12_Pointer={4:4}, WrapperStruct00_var_1_13_Pointer={4:8}, WrapperStruct00_var_1_14_Pointer={4:12}, WrapperStruct00_var_1_15_Pointer={4:16}, WrapperStruct00_var_1_16_Pointer={4:17}, WrapperStruct00_var_1_17_Pointer={4:18}, WrapperStruct00_var_1_19_Pointer={4:22}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_20_Pointer={4:26}, WrapperStruct00_var_1_4_Pointer={4:2}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_15=64] [L20] COND FALSE !(!cond) [L86] RET assume_abort_if_not(WrapperStruct00.var_1_16 <= 254) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_12_Pointer={4:4}, WrapperStruct00_var_1_13_Pointer={4:8}, WrapperStruct00_var_1_14_Pointer={4:12}, WrapperStruct00_var_1_15_Pointer={4:16}, WrapperStruct00_var_1_16_Pointer={4:17}, WrapperStruct00_var_1_17_Pointer={4:18}, WrapperStruct00_var_1_19_Pointer={4:22}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_20_Pointer={4:26}, WrapperStruct00_var_1_4_Pointer={4:2}, isInitial=1, last_1_WrapperStruct00_var_1_15=64] [L87] WrapperStruct00.var_1_19 = __VERIFIER_nondet_long() [L88] EXPR WrapperStruct00.var_1_19 VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_12_Pointer={4:4}, WrapperStruct00_var_1_13_Pointer={4:8}, WrapperStruct00_var_1_14_Pointer={4:12}, WrapperStruct00_var_1_15_Pointer={4:16}, WrapperStruct00_var_1_16_Pointer={4:17}, WrapperStruct00_var_1_17_Pointer={4:18}, WrapperStruct00_var_1_19_Pointer={4:22}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_20_Pointer={4:26}, WrapperStruct00_var_1_4_Pointer={4:2}, isInitial=1, last_1_WrapperStruct00_var_1_15=64] [L88] CALL assume_abort_if_not(WrapperStruct00.var_1_19 >= -2147483648) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_12_Pointer={4:4}, WrapperStruct00_var_1_13_Pointer={4:8}, WrapperStruct00_var_1_14_Pointer={4:12}, WrapperStruct00_var_1_15_Pointer={4:16}, WrapperStruct00_var_1_16_Pointer={4:17}, WrapperStruct00_var_1_17_Pointer={4:18}, WrapperStruct00_var_1_19_Pointer={4:22}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_20_Pointer={4:26}, WrapperStruct00_var_1_4_Pointer={4:2}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_15=64] [L20] COND FALSE !(!cond) [L88] RET assume_abort_if_not(WrapperStruct00.var_1_19 >= -2147483648) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_12_Pointer={4:4}, WrapperStruct00_var_1_13_Pointer={4:8}, WrapperStruct00_var_1_14_Pointer={4:12}, WrapperStruct00_var_1_15_Pointer={4:16}, WrapperStruct00_var_1_16_Pointer={4:17}, WrapperStruct00_var_1_17_Pointer={4:18}, WrapperStruct00_var_1_19_Pointer={4:22}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_20_Pointer={4:26}, WrapperStruct00_var_1_4_Pointer={4:2}, isInitial=1, last_1_WrapperStruct00_var_1_15=64] [L89] EXPR WrapperStruct00.var_1_19 VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_12_Pointer={4:4}, WrapperStruct00_var_1_13_Pointer={4:8}, WrapperStruct00_var_1_14_Pointer={4:12}, WrapperStruct00_var_1_15_Pointer={4:16}, WrapperStruct00_var_1_16_Pointer={4:17}, WrapperStruct00_var_1_17_Pointer={4:18}, WrapperStruct00_var_1_19_Pointer={4:22}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_20_Pointer={4:26}, WrapperStruct00_var_1_4_Pointer={4:2}, isInitial=1, last_1_WrapperStruct00_var_1_15=64] [L89] CALL assume_abort_if_not(WrapperStruct00.var_1_19 <= 2147483647) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_12_Pointer={4:4}, WrapperStruct00_var_1_13_Pointer={4:8}, WrapperStruct00_var_1_14_Pointer={4:12}, WrapperStruct00_var_1_15_Pointer={4:16}, WrapperStruct00_var_1_16_Pointer={4:17}, WrapperStruct00_var_1_17_Pointer={4:18}, WrapperStruct00_var_1_19_Pointer={4:22}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_20_Pointer={4:26}, WrapperStruct00_var_1_4_Pointer={4:2}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_15=64] [L20] COND FALSE !(!cond) [L89] RET assume_abort_if_not(WrapperStruct00.var_1_19 <= 2147483647) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_12_Pointer={4:4}, WrapperStruct00_var_1_13_Pointer={4:8}, WrapperStruct00_var_1_14_Pointer={4:12}, WrapperStruct00_var_1_15_Pointer={4:16}, WrapperStruct00_var_1_16_Pointer={4:17}, WrapperStruct00_var_1_17_Pointer={4:18}, WrapperStruct00_var_1_19_Pointer={4:22}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_20_Pointer={4:26}, WrapperStruct00_var_1_4_Pointer={4:2}, isInitial=1, last_1_WrapperStruct00_var_1_15=64] [L90] EXPR WrapperStruct00.var_1_19 VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_12_Pointer={4:4}, WrapperStruct00_var_1_13_Pointer={4:8}, WrapperStruct00_var_1_14_Pointer={4:12}, WrapperStruct00_var_1_15_Pointer={4:16}, WrapperStruct00_var_1_16_Pointer={4:17}, WrapperStruct00_var_1_17_Pointer={4:18}, WrapperStruct00_var_1_19_Pointer={4:22}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_20_Pointer={4:26}, WrapperStruct00_var_1_4_Pointer={4:2}, isInitial=1, last_1_WrapperStruct00_var_1_15=64] [L90] CALL assume_abort_if_not(WrapperStruct00.var_1_19 != 0) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_12_Pointer={4:4}, WrapperStruct00_var_1_13_Pointer={4:8}, WrapperStruct00_var_1_14_Pointer={4:12}, WrapperStruct00_var_1_15_Pointer={4:16}, WrapperStruct00_var_1_16_Pointer={4:17}, WrapperStruct00_var_1_17_Pointer={4:18}, WrapperStruct00_var_1_19_Pointer={4:22}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_20_Pointer={4:26}, WrapperStruct00_var_1_4_Pointer={4:2}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_15=64] [L20] COND FALSE !(!cond) [L90] RET assume_abort_if_not(WrapperStruct00.var_1_19 != 0) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_12_Pointer={4:4}, WrapperStruct00_var_1_13_Pointer={4:8}, WrapperStruct00_var_1_14_Pointer={4:12}, WrapperStruct00_var_1_15_Pointer={4:16}, WrapperStruct00_var_1_16_Pointer={4:17}, WrapperStruct00_var_1_17_Pointer={4:18}, WrapperStruct00_var_1_19_Pointer={4:22}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_20_Pointer={4:26}, WrapperStruct00_var_1_4_Pointer={4:2}, isInitial=1, last_1_WrapperStruct00_var_1_15=64] [L104] RET updateVariables() [L105] CALL step() [L61] EXPR \read(*WrapperStruct00_var_1_13_Pointer) [L61] EXPR \read(*WrapperStruct00_var_1_14_Pointer) [L61] (*(WrapperStruct00_var_1_12_Pointer)) = ((0.85f - (*(WrapperStruct00_var_1_13_Pointer))) + (*(WrapperStruct00_var_1_14_Pointer))) [L62] EXPR \read(*WrapperStruct00_var_1_4_Pointer) [L62] COND FALSE !((- last_1_WrapperStruct00_var_1_15) >= ((*(WrapperStruct00_var_1_4_Pointer)) / ((((-4) < 0 ) ? -(-4) : (-4))))) [L65] EXPR \read(*WrapperStruct00_var_1_13_Pointer) [L65] (*(WrapperStruct00_var_1_20_Pointer)) = (*(WrapperStruct00_var_1_13_Pointer)) [L66] EXPR \read(*WrapperStruct00_var_1_20_Pointer) [L66] EXPR \read(*WrapperStruct00_var_1_20_Pointer) [L66] COND FALSE !((*(WrapperStruct00_var_1_20_Pointer)) > (*(WrapperStruct00_var_1_20_Pointer))) [L69] EXPR \read(*WrapperStruct00_var_1_15_Pointer) [L69] EXPR \read(*WrapperStruct00_var_1_15_Pointer) [L69] EXPR \read(*WrapperStruct00_var_1_15_Pointer) [L69] EXPR (((*(WrapperStruct00_var_1_15_Pointer))) > ((*(WrapperStruct00_var_1_15_Pointer)))) ? ((*(WrapperStruct00_var_1_15_Pointer))) : ((*(WrapperStruct00_var_1_15_Pointer))) [L69] EXPR \read(*WrapperStruct00_var_1_15_Pointer) [L69] EXPR (((*(WrapperStruct00_var_1_15_Pointer))) > ((*(WrapperStruct00_var_1_15_Pointer)))) ? ((*(WrapperStruct00_var_1_15_Pointer))) : ((*(WrapperStruct00_var_1_15_Pointer))) [L69] EXPR \read(*WrapperStruct00_var_1_15_Pointer) [L69] EXPR \read(*WrapperStruct00_var_1_15_Pointer) [L69] EXPR \read(*WrapperStruct00_var_1_15_Pointer) [L69] EXPR (((*(WrapperStruct00_var_1_15_Pointer))) < ((*(WrapperStruct00_var_1_15_Pointer)))) ? ((*(WrapperStruct00_var_1_15_Pointer))) : ((*(WrapperStruct00_var_1_15_Pointer))) [L69] EXPR \read(*WrapperStruct00_var_1_15_Pointer) [L69] EXPR (((*(WrapperStruct00_var_1_15_Pointer))) < ((*(WrapperStruct00_var_1_15_Pointer)))) ? ((*(WrapperStruct00_var_1_15_Pointer))) : ((*(WrapperStruct00_var_1_15_Pointer))) [L69] EXPR ((((*(WrapperStruct00_var_1_15_Pointer)) - (((((*(WrapperStruct00_var_1_15_Pointer))) > ((*(WrapperStruct00_var_1_15_Pointer)))) ? ((*(WrapperStruct00_var_1_15_Pointer))) : ((*(WrapperStruct00_var_1_15_Pointer))))))) < (((*(WrapperStruct00_var_1_15_Pointer)) + (((((*(WrapperStruct00_var_1_15_Pointer))) < ((*(WrapperStruct00_var_1_15_Pointer)))) ? ((*(WrapperStruct00_var_1_15_Pointer))) : ((*(WrapperStruct00_var_1_15_Pointer)))))))) ? (((*(WrapperStruct00_var_1_15_Pointer)) - (((((*(WrapperStruct00_var_1_15_Pointer))) > ((*(WrapperStruct00_var_1_15_Pointer)))) ? ((*(WrapperStruct00_var_1_15_Pointer))) : ((*(WrapperStruct00_var_1_15_Pointer))))))) : (((*(WrapperStruct00_var_1_15_Pointer)) + (((((*(WrapperStruct00_var_1_15_Pointer))) < ((*(WrapperStruct00_var_1_15_Pointer)))) ? ((*(WrapperStruct00_var_1_15_Pointer))) : ((*(WrapperStruct00_var_1_15_Pointer))))))) [L69] EXPR \read(*WrapperStruct00_var_1_15_Pointer) [L69] EXPR \read(*WrapperStruct00_var_1_15_Pointer) [L69] EXPR \read(*WrapperStruct00_var_1_15_Pointer) [L69] EXPR (((*(WrapperStruct00_var_1_15_Pointer))) > ((*(WrapperStruct00_var_1_15_Pointer)))) ? ((*(WrapperStruct00_var_1_15_Pointer))) : ((*(WrapperStruct00_var_1_15_Pointer))) [L69] EXPR \read(*WrapperStruct00_var_1_15_Pointer) [L69] EXPR (((*(WrapperStruct00_var_1_15_Pointer))) > ((*(WrapperStruct00_var_1_15_Pointer)))) ? ((*(WrapperStruct00_var_1_15_Pointer))) : ((*(WrapperStruct00_var_1_15_Pointer))) [L69] EXPR ((((*(WrapperStruct00_var_1_15_Pointer)) - (((((*(WrapperStruct00_var_1_15_Pointer))) > ((*(WrapperStruct00_var_1_15_Pointer)))) ? ((*(WrapperStruct00_var_1_15_Pointer))) : ((*(WrapperStruct00_var_1_15_Pointer))))))) < (((*(WrapperStruct00_var_1_15_Pointer)) + (((((*(WrapperStruct00_var_1_15_Pointer))) < ((*(WrapperStruct00_var_1_15_Pointer)))) ? ((*(WrapperStruct00_var_1_15_Pointer))) : ((*(WrapperStruct00_var_1_15_Pointer)))))))) ? (((*(WrapperStruct00_var_1_15_Pointer)) - (((((*(WrapperStruct00_var_1_15_Pointer))) > ((*(WrapperStruct00_var_1_15_Pointer)))) ? ((*(WrapperStruct00_var_1_15_Pointer))) : ((*(WrapperStruct00_var_1_15_Pointer))))))) : (((*(WrapperStruct00_var_1_15_Pointer)) + (((((*(WrapperStruct00_var_1_15_Pointer))) < ((*(WrapperStruct00_var_1_15_Pointer)))) ? ((*(WrapperStruct00_var_1_15_Pointer))) : ((*(WrapperStruct00_var_1_15_Pointer))))))) [L69] (*(WrapperStruct00_var_1_1_Pointer)) = ((((((*(WrapperStruct00_var_1_15_Pointer)) - (((((*(WrapperStruct00_var_1_15_Pointer))) > ((*(WrapperStruct00_var_1_15_Pointer)))) ? ((*(WrapperStruct00_var_1_15_Pointer))) : ((*(WrapperStruct00_var_1_15_Pointer))))))) < (((*(WrapperStruct00_var_1_15_Pointer)) + (((((*(WrapperStruct00_var_1_15_Pointer))) < ((*(WrapperStruct00_var_1_15_Pointer)))) ? ((*(WrapperStruct00_var_1_15_Pointer))) : ((*(WrapperStruct00_var_1_15_Pointer)))))))) ? (((*(WrapperStruct00_var_1_15_Pointer)) - (((((*(WrapperStruct00_var_1_15_Pointer))) > ((*(WrapperStruct00_var_1_15_Pointer)))) ? ((*(WrapperStruct00_var_1_15_Pointer))) : ((*(WrapperStruct00_var_1_15_Pointer))))))) : (((*(WrapperStruct00_var_1_15_Pointer)) + (((((*(WrapperStruct00_var_1_15_Pointer))) < ((*(WrapperStruct00_var_1_15_Pointer)))) ? ((*(WrapperStruct00_var_1_15_Pointer))) : ((*(WrapperStruct00_var_1_15_Pointer))))))))) [L71] EXPR \read(*WrapperStruct00_var_1_15_Pointer) [L71] EXPR \read(*WrapperStruct00_var_1_15_Pointer) [L71] EXPR \read(*WrapperStruct00_var_1_1_Pointer) [L71] signed long int stepLocal_0 = (*(WrapperStruct00_var_1_15_Pointer)) + ((*(WrapperStruct00_var_1_15_Pointer)) + (*(WrapperStruct00_var_1_1_Pointer))); [L72] EXPR \read(*WrapperStruct00_var_1_15_Pointer) [L72] EXPR \read(*WrapperStruct00_var_1_1_Pointer) [L72] EXPR \read(*WrapperStruct00_var_1_19_Pointer) [L72] COND TRUE stepLocal_0 != ((*(WrapperStruct00_var_1_15_Pointer)) * ((*(WrapperStruct00_var_1_1_Pointer)) / (*(WrapperStruct00_var_1_19_Pointer)))) [L73] EXPR \read(*WrapperStruct00_var_1_1_Pointer) [L73] EXPR \read(*WrapperStruct00_var_1_15_Pointer) [L73] EXPR ((10u) < (((*(WrapperStruct00_var_1_1_Pointer)) + (*(WrapperStruct00_var_1_15_Pointer))))) ? (10u) : (((*(WrapperStruct00_var_1_1_Pointer)) + (*(WrapperStruct00_var_1_15_Pointer)))) [L73] EXPR \read(*WrapperStruct00_var_1_15_Pointer) [L73] (*(WrapperStruct00_var_1_17_Pointer)) = (((((10u) < (((*(WrapperStruct00_var_1_1_Pointer)) + (*(WrapperStruct00_var_1_15_Pointer))))) ? (10u) : (((*(WrapperStruct00_var_1_1_Pointer)) + (*(WrapperStruct00_var_1_15_Pointer)))))) + (*(WrapperStruct00_var_1_15_Pointer))) [L105] RET step() [L106] CALL, EXPR property() [L96] EXPR \read(*WrapperStruct00_var_1_20_Pointer) [L96] EXPR \read(*WrapperStruct00_var_1_20_Pointer) [L96] EXPR ((*(WrapperStruct00_var_1_20_Pointer)) > (*(WrapperStruct00_var_1_20_Pointer))) ? ((*(WrapperStruct00_var_1_1_Pointer)) == ((signed short int) (((((*(WrapperStruct00_var_1_15_Pointer))) > ((*(WrapperStruct00_var_1_15_Pointer)))) ? ((*(WrapperStruct00_var_1_15_Pointer))) : ((*(WrapperStruct00_var_1_15_Pointer))))))) : ((*(WrapperStruct00_var_1_1_Pointer)) == ((signed short int) ((((((*(WrapperStruct00_var_1_15_Pointer)) - (((((*(WrapperStruct00_var_1_15_Pointer))) > ((*(WrapperStruct00_var_1_15_Pointer)))) ? ((*(WrapperStruct00_var_1_15_Pointer))) : ((*(WrapperStruct00_var_1_15_Pointer))))))) < (((*(WrapperStruct00_var_1_15_Pointer)) + (((((*(WrapperStruct00_var_1_15_Pointer))) < ((*(WrapperStruct00_var_1_15_Pointer)))) ? ((*(WrapperStruct00_var_1_15_Pointer))) : ((*(WrapperStruct00_var_1_15_Pointer)))))))) ? (((*(WrapperStruct00_var_1_15_Pointer)) - (((((*(WrapperStruct00_var_1_15_Pointer))) > ((*(WrapperStruct00_var_1_15_Pointer)))) ? ((*(WrapperStruct00_var_1_15_Pointer))) : ((*(WrapperStruct00_var_1_15_Pointer))))))) : (((*(WrapperStruct00_var_1_15_Pointer)) + (((((*(WrapperStruct00_var_1_15_Pointer))) < ((*(WrapperStruct00_var_1_15_Pointer)))) ? ((*(WrapperStruct00_var_1_15_Pointer))) : ((*(WrapperStruct00_var_1_15_Pointer))))))))))) [L96] EXPR \read(*WrapperStruct00_var_1_1_Pointer) [L96] EXPR \read(*WrapperStruct00_var_1_15_Pointer) [L96] EXPR \read(*WrapperStruct00_var_1_15_Pointer) [L96] EXPR (((*(WrapperStruct00_var_1_15_Pointer))) > ((*(WrapperStruct00_var_1_15_Pointer)))) ? ((*(WrapperStruct00_var_1_15_Pointer))) : ((*(WrapperStruct00_var_1_15_Pointer))) [L96] EXPR \read(*WrapperStruct00_var_1_15_Pointer) [L96] EXPR (((*(WrapperStruct00_var_1_15_Pointer))) > ((*(WrapperStruct00_var_1_15_Pointer)))) ? ((*(WrapperStruct00_var_1_15_Pointer))) : ((*(WrapperStruct00_var_1_15_Pointer))) [L96] EXPR ((*(WrapperStruct00_var_1_20_Pointer)) > (*(WrapperStruct00_var_1_20_Pointer))) ? ((*(WrapperStruct00_var_1_1_Pointer)) == ((signed short int) (((((*(WrapperStruct00_var_1_15_Pointer))) > ((*(WrapperStruct00_var_1_15_Pointer)))) ? ((*(WrapperStruct00_var_1_15_Pointer))) : ((*(WrapperStruct00_var_1_15_Pointer))))))) : ((*(WrapperStruct00_var_1_1_Pointer)) == ((signed short int) ((((((*(WrapperStruct00_var_1_15_Pointer)) - (((((*(WrapperStruct00_var_1_15_Pointer))) > ((*(WrapperStruct00_var_1_15_Pointer)))) ? ((*(WrapperStruct00_var_1_15_Pointer))) : ((*(WrapperStruct00_var_1_15_Pointer))))))) < (((*(WrapperStruct00_var_1_15_Pointer)) + (((((*(WrapperStruct00_var_1_15_Pointer))) < ((*(WrapperStruct00_var_1_15_Pointer)))) ? ((*(WrapperStruct00_var_1_15_Pointer))) : ((*(WrapperStruct00_var_1_15_Pointer)))))))) ? (((*(WrapperStruct00_var_1_15_Pointer)) - (((((*(WrapperStruct00_var_1_15_Pointer))) > ((*(WrapperStruct00_var_1_15_Pointer)))) ? ((*(WrapperStruct00_var_1_15_Pointer))) : ((*(WrapperStruct00_var_1_15_Pointer))))))) : (((*(WrapperStruct00_var_1_15_Pointer)) + (((((*(WrapperStruct00_var_1_15_Pointer))) < ((*(WrapperStruct00_var_1_15_Pointer)))) ? ((*(WrapperStruct00_var_1_15_Pointer))) : ((*(WrapperStruct00_var_1_15_Pointer))))))))))) [L96] EXPR (((*(WrapperStruct00_var_1_20_Pointer)) > (*(WrapperStruct00_var_1_20_Pointer))) ? ((*(WrapperStruct00_var_1_1_Pointer)) == ((signed short int) (((((*(WrapperStruct00_var_1_15_Pointer))) > ((*(WrapperStruct00_var_1_15_Pointer)))) ? ((*(WrapperStruct00_var_1_15_Pointer))) : ((*(WrapperStruct00_var_1_15_Pointer))))))) : ((*(WrapperStruct00_var_1_1_Pointer)) == ((signed short int) ((((((*(WrapperStruct00_var_1_15_Pointer)) - (((((*(WrapperStruct00_var_1_15_Pointer))) > ((*(WrapperStruct00_var_1_15_Pointer)))) ? ((*(WrapperStruct00_var_1_15_Pointer))) : ((*(WrapperStruct00_var_1_15_Pointer))))))) < (((*(WrapperStruct00_var_1_15_Pointer)) + (((((*(WrapperStruct00_var_1_15_Pointer))) < ((*(WrapperStruct00_var_1_15_Pointer)))) ? ((*(WrapperStruct00_var_1_15_Pointer))) : ((*(WrapperStruct00_var_1_15_Pointer)))))))) ? (((*(WrapperStruct00_var_1_15_Pointer)) - (((((*(WrapperStruct00_var_1_15_Pointer))) > ((*(WrapperStruct00_var_1_15_Pointer)))) ? ((*(WrapperStruct00_var_1_15_Pointer))) : ((*(WrapperStruct00_var_1_15_Pointer))))))) : (((*(WrapperStruct00_var_1_15_Pointer)) + (((((*(WrapperStruct00_var_1_15_Pointer))) < ((*(WrapperStruct00_var_1_15_Pointer)))) ? ((*(WrapperStruct00_var_1_15_Pointer))) : ((*(WrapperStruct00_var_1_15_Pointer)))))))))))) && ((*(WrapperStruct00_var_1_12_Pointer)) == ((float) ((0.85f - (*(WrapperStruct00_var_1_13_Pointer))) + (*(WrapperStruct00_var_1_14_Pointer))))) [L96] EXPR ((((*(WrapperStruct00_var_1_20_Pointer)) > (*(WrapperStruct00_var_1_20_Pointer))) ? ((*(WrapperStruct00_var_1_1_Pointer)) == ((signed short int) (((((*(WrapperStruct00_var_1_15_Pointer))) > ((*(WrapperStruct00_var_1_15_Pointer)))) ? ((*(WrapperStruct00_var_1_15_Pointer))) : ((*(WrapperStruct00_var_1_15_Pointer))))))) : ((*(WrapperStruct00_var_1_1_Pointer)) == ((signed short int) ((((((*(WrapperStruct00_var_1_15_Pointer)) - (((((*(WrapperStruct00_var_1_15_Pointer))) > ((*(WrapperStruct00_var_1_15_Pointer)))) ? ((*(WrapperStruct00_var_1_15_Pointer))) : ((*(WrapperStruct00_var_1_15_Pointer))))))) < (((*(WrapperStruct00_var_1_15_Pointer)) + (((((*(WrapperStruct00_var_1_15_Pointer))) < ((*(WrapperStruct00_var_1_15_Pointer)))) ? ((*(WrapperStruct00_var_1_15_Pointer))) : ((*(WrapperStruct00_var_1_15_Pointer)))))))) ? (((*(WrapperStruct00_var_1_15_Pointer)) - (((((*(WrapperStruct00_var_1_15_Pointer))) > ((*(WrapperStruct00_var_1_15_Pointer)))) ? ((*(WrapperStruct00_var_1_15_Pointer))) : ((*(WrapperStruct00_var_1_15_Pointer))))))) : (((*(WrapperStruct00_var_1_15_Pointer)) + (((((*(WrapperStruct00_var_1_15_Pointer))) < ((*(WrapperStruct00_var_1_15_Pointer)))) ? ((*(WrapperStruct00_var_1_15_Pointer))) : ((*(WrapperStruct00_var_1_15_Pointer)))))))))))) && ((*(WrapperStruct00_var_1_12_Pointer)) == ((float) ((0.85f - (*(WrapperStruct00_var_1_13_Pointer))) + (*(WrapperStruct00_var_1_14_Pointer)))))) && (((- last_1_WrapperStruct00_var_1_15) >= ((*(WrapperStruct00_var_1_4_Pointer)) / ((((-4) < 0 ) ? -(-4) : (-4))))) ? ((*(WrapperStruct00_var_1_15_Pointer)) == ((unsigned char) (*(WrapperStruct00_var_1_16_Pointer)))) : 1) [L96] EXPR (((((*(WrapperStruct00_var_1_20_Pointer)) > (*(WrapperStruct00_var_1_20_Pointer))) ? ((*(WrapperStruct00_var_1_1_Pointer)) == ((signed short int) (((((*(WrapperStruct00_var_1_15_Pointer))) > ((*(WrapperStruct00_var_1_15_Pointer)))) ? ((*(WrapperStruct00_var_1_15_Pointer))) : ((*(WrapperStruct00_var_1_15_Pointer))))))) : ((*(WrapperStruct00_var_1_1_Pointer)) == ((signed short int) ((((((*(WrapperStruct00_var_1_15_Pointer)) - (((((*(WrapperStruct00_var_1_15_Pointer))) > ((*(WrapperStruct00_var_1_15_Pointer)))) ? ((*(WrapperStruct00_var_1_15_Pointer))) : ((*(WrapperStruct00_var_1_15_Pointer))))))) < (((*(WrapperStruct00_var_1_15_Pointer)) + (((((*(WrapperStruct00_var_1_15_Pointer))) < ((*(WrapperStruct00_var_1_15_Pointer)))) ? ((*(WrapperStruct00_var_1_15_Pointer))) : ((*(WrapperStruct00_var_1_15_Pointer)))))))) ? (((*(WrapperStruct00_var_1_15_Pointer)) - (((((*(WrapperStruct00_var_1_15_Pointer))) > ((*(WrapperStruct00_var_1_15_Pointer)))) ? ((*(WrapperStruct00_var_1_15_Pointer))) : ((*(WrapperStruct00_var_1_15_Pointer))))))) : (((*(WrapperStruct00_var_1_15_Pointer)) + (((((*(WrapperStruct00_var_1_15_Pointer))) < ((*(WrapperStruct00_var_1_15_Pointer)))) ? ((*(WrapperStruct00_var_1_15_Pointer))) : ((*(WrapperStruct00_var_1_15_Pointer)))))))))))) && ((*(WrapperStruct00_var_1_12_Pointer)) == ((float) ((0.85f - (*(WrapperStruct00_var_1_13_Pointer))) + (*(WrapperStruct00_var_1_14_Pointer)))))) && (((- last_1_WrapperStruct00_var_1_15) >= ((*(WrapperStruct00_var_1_4_Pointer)) / ((((-4) < 0 ) ? -(-4) : (-4))))) ? ((*(WrapperStruct00_var_1_15_Pointer)) == ((unsigned char) (*(WrapperStruct00_var_1_16_Pointer)))) : 1)) && ((((*(WrapperStruct00_var_1_15_Pointer)) + ((*(WrapperStruct00_var_1_15_Pointer)) + (*(WrapperStruct00_var_1_1_Pointer)))) != ((*(WrapperStruct00_var_1_15_Pointer)) * ((*(WrapperStruct00_var_1_1_Pointer)) / (*(WrapperStruct00_var_1_19_Pointer))))) ? ((*(WrapperStruct00_var_1_17_Pointer)) == ((unsigned long int) (((((10u) < (((*(WrapperStruct00_var_1_1_Pointer)) + (*(WrapperStruct00_var_1_15_Pointer))))) ? (10u) : (((*(WrapperStruct00_var_1_1_Pointer)) + (*(WrapperStruct00_var_1_15_Pointer)))))) + (*(WrapperStruct00_var_1_15_Pointer))))) : 1) [L96] EXPR ((((((*(WrapperStruct00_var_1_20_Pointer)) > (*(WrapperStruct00_var_1_20_Pointer))) ? ((*(WrapperStruct00_var_1_1_Pointer)) == ((signed short int) (((((*(WrapperStruct00_var_1_15_Pointer))) > ((*(WrapperStruct00_var_1_15_Pointer)))) ? ((*(WrapperStruct00_var_1_15_Pointer))) : ((*(WrapperStruct00_var_1_15_Pointer))))))) : ((*(WrapperStruct00_var_1_1_Pointer)) == ((signed short int) ((((((*(WrapperStruct00_var_1_15_Pointer)) - (((((*(WrapperStruct00_var_1_15_Pointer))) > ((*(WrapperStruct00_var_1_15_Pointer)))) ? ((*(WrapperStruct00_var_1_15_Pointer))) : ((*(WrapperStruct00_var_1_15_Pointer))))))) < (((*(WrapperStruct00_var_1_15_Pointer)) + (((((*(WrapperStruct00_var_1_15_Pointer))) < ((*(WrapperStruct00_var_1_15_Pointer)))) ? ((*(WrapperStruct00_var_1_15_Pointer))) : ((*(WrapperStruct00_var_1_15_Pointer)))))))) ? (((*(WrapperStruct00_var_1_15_Pointer)) - (((((*(WrapperStruct00_var_1_15_Pointer))) > ((*(WrapperStruct00_var_1_15_Pointer)))) ? ((*(WrapperStruct00_var_1_15_Pointer))) : ((*(WrapperStruct00_var_1_15_Pointer))))))) : (((*(WrapperStruct00_var_1_15_Pointer)) + (((((*(WrapperStruct00_var_1_15_Pointer))) < ((*(WrapperStruct00_var_1_15_Pointer)))) ? ((*(WrapperStruct00_var_1_15_Pointer))) : ((*(WrapperStruct00_var_1_15_Pointer)))))))))))) && ((*(WrapperStruct00_var_1_12_Pointer)) == ((float) ((0.85f - (*(WrapperStruct00_var_1_13_Pointer))) + (*(WrapperStruct00_var_1_14_Pointer)))))) && (((- last_1_WrapperStruct00_var_1_15) >= ((*(WrapperStruct00_var_1_4_Pointer)) / ((((-4) < 0 ) ? -(-4) : (-4))))) ? ((*(WrapperStruct00_var_1_15_Pointer)) == ((unsigned char) (*(WrapperStruct00_var_1_16_Pointer)))) : 1)) && ((((*(WrapperStruct00_var_1_15_Pointer)) + ((*(WrapperStruct00_var_1_15_Pointer)) + (*(WrapperStruct00_var_1_1_Pointer)))) != ((*(WrapperStruct00_var_1_15_Pointer)) * ((*(WrapperStruct00_var_1_1_Pointer)) / (*(WrapperStruct00_var_1_19_Pointer))))) ? ((*(WrapperStruct00_var_1_17_Pointer)) == ((unsigned long int) (((((10u) < (((*(WrapperStruct00_var_1_1_Pointer)) + (*(WrapperStruct00_var_1_15_Pointer))))) ? (10u) : (((*(WrapperStruct00_var_1_1_Pointer)) + (*(WrapperStruct00_var_1_15_Pointer)))))) + (*(WrapperStruct00_var_1_15_Pointer))))) : 1)) && ((*(WrapperStruct00_var_1_20_Pointer)) == ((float) (*(WrapperStruct00_var_1_13_Pointer)))) [L96-L97] return ((((((*(WrapperStruct00_var_1_20_Pointer)) > (*(WrapperStruct00_var_1_20_Pointer))) ? ((*(WrapperStruct00_var_1_1_Pointer)) == ((signed short int) (((((*(WrapperStruct00_var_1_15_Pointer))) > ((*(WrapperStruct00_var_1_15_Pointer)))) ? ((*(WrapperStruct00_var_1_15_Pointer))) : ((*(WrapperStruct00_var_1_15_Pointer))))))) : ((*(WrapperStruct00_var_1_1_Pointer)) == ((signed short int) ((((((*(WrapperStruct00_var_1_15_Pointer)) - (((((*(WrapperStruct00_var_1_15_Pointer))) > ((*(WrapperStruct00_var_1_15_Pointer)))) ? ((*(WrapperStruct00_var_1_15_Pointer))) : ((*(WrapperStruct00_var_1_15_Pointer))))))) < (((*(WrapperStruct00_var_1_15_Pointer)) + (((((*(WrapperStruct00_var_1_15_Pointer))) < ((*(WrapperStruct00_var_1_15_Pointer)))) ? ((*(WrapperStruct00_var_1_15_Pointer))) : ((*(WrapperStruct00_var_1_15_Pointer)))))))) ? (((*(WrapperStruct00_var_1_15_Pointer)) - (((((*(WrapperStruct00_var_1_15_Pointer))) > ((*(WrapperStruct00_var_1_15_Pointer)))) ? ((*(WrapperStruct00_var_1_15_Pointer))) : ((*(WrapperStruct00_var_1_15_Pointer))))))) : (((*(WrapperStruct00_var_1_15_Pointer)) + (((((*(WrapperStruct00_var_1_15_Pointer))) < ((*(WrapperStruct00_var_1_15_Pointer)))) ? ((*(WrapperStruct00_var_1_15_Pointer))) : ((*(WrapperStruct00_var_1_15_Pointer)))))))))))) && ((*(WrapperStruct00_var_1_12_Pointer)) == ((float) ((0.85f - (*(WrapperStruct00_var_1_13_Pointer))) + (*(WrapperStruct00_var_1_14_Pointer)))))) && (((- last_1_WrapperStruct00_var_1_15) >= ((*(WrapperStruct00_var_1_4_Pointer)) / ((((-4) < 0 ) ? -(-4) : (-4))))) ? ((*(WrapperStruct00_var_1_15_Pointer)) == ((unsigned char) (*(WrapperStruct00_var_1_16_Pointer)))) : 1)) && ((((*(WrapperStruct00_var_1_15_Pointer)) + ((*(WrapperStruct00_var_1_15_Pointer)) + (*(WrapperStruct00_var_1_1_Pointer)))) != ((*(WrapperStruct00_var_1_15_Pointer)) * ((*(WrapperStruct00_var_1_1_Pointer)) / (*(WrapperStruct00_var_1_19_Pointer))))) ? ((*(WrapperStruct00_var_1_17_Pointer)) == ((unsigned long int) (((((10u) < (((*(WrapperStruct00_var_1_1_Pointer)) + (*(WrapperStruct00_var_1_15_Pointer))))) ? (10u) : (((*(WrapperStruct00_var_1_1_Pointer)) + (*(WrapperStruct00_var_1_15_Pointer)))))) + (*(WrapperStruct00_var_1_15_Pointer))))) : 1)) && ((*(WrapperStruct00_var_1_20_Pointer)) == ((float) (*(WrapperStruct00_var_1_13_Pointer)))) ; [L106] RET, EXPR property() [L106] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_12_Pointer={4:4}, WrapperStruct00_var_1_13_Pointer={4:8}, WrapperStruct00_var_1_14_Pointer={4:12}, WrapperStruct00_var_1_15_Pointer={4:16}, WrapperStruct00_var_1_16_Pointer={4:17}, WrapperStruct00_var_1_17_Pointer={4:18}, WrapperStruct00_var_1_19_Pointer={4:22}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_20_Pointer={4:26}, WrapperStruct00_var_1_4_Pointer={4:2}, \old(cond)=0, cond=0, isInitial=1, last_1_WrapperStruct00_var_1_15=64] [L19] reach_error() VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_12_Pointer={4:4}, WrapperStruct00_var_1_13_Pointer={4:8}, WrapperStruct00_var_1_14_Pointer={4:12}, WrapperStruct00_var_1_15_Pointer={4:16}, WrapperStruct00_var_1_16_Pointer={4:17}, WrapperStruct00_var_1_17_Pointer={4:18}, WrapperStruct00_var_1_19_Pointer={4:22}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_20_Pointer={4:26}, WrapperStruct00_var_1_4_Pointer={4:2}, \old(cond)=0, cond=0, isInitial=1, last_1_WrapperStruct00_var_1_15=64] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 27 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 3.6s, OverallIterations: 1, TraceHistogramMax: 9, 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=27occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 1.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 40 NumberOfCodeBlocks, 40 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 [2023-11-19 04:59:49,615 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_696f5eb5-1c7f-4274-af6d-394ad55654a5/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_696f5eb5-1c7f-4274-af6d-394ad55654a5/bin/utaipan-verify-t7M7D8N6sZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_696f5eb5-1c7f-4274-af6d-394ad55654a5/bin/utaipan-verify-t7M7D8N6sZ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_696f5eb5-1c7f-4274-af6d-394ad55654a5/bin/utaipan-verify-t7M7D8N6sZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_696f5eb5-1c7f-4274-af6d-394ad55654a5/bin/utaipan-verify-t7M7D8N6sZ/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-sp_file-26.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_696f5eb5-1c7f-4274-af6d-394ad55654a5/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_696f5eb5-1c7f-4274-af6d-394ad55654a5/bin/utaipan-verify-t7M7D8N6sZ --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 3291167999bb7bd7f68091110884d1151ee296ff17c178c4f709963149d4b67b --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 04:59:52,673 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 04:59:52,807 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_696f5eb5-1c7f-4274-af6d-394ad55654a5/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2023-11-19 04:59:52,819 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 04:59:52,819 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 04:59:52,877 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 04:59:52,878 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 04:59:52,879 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 04:59:52,880 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 04:59:52,886 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 04:59:52,887 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-19 04:59:52,888 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-19 04:59:52,888 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-19 04:59:52,890 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-19 04:59:52,891 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-19 04:59:52,891 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-19 04:59:52,893 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 04:59:52,894 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 04:59:52,894 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 04:59:52,896 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 04:59:52,896 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 04:59:52,897 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 04:59:52,898 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 04:59:52,898 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 04:59:52,899 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 04:59:52,899 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 04:59:52,900 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 04:59:52,901 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 04:59:52,901 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 04:59:52,902 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 04:59:52,903 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 04:59:52,904 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 04:59:52,904 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 04:59:52,905 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 04:59:52,905 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 04:59:52,905 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 04:59:52,906 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 04:59:52,906 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-19 04:59:52,907 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 04:59:52,908 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 04:59:52,908 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-19 04:59:52,909 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 04:59:52,909 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_696f5eb5-1c7f-4274-af6d-394ad55654a5/bin/utaipan-verify-t7M7D8N6sZ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_696f5eb5-1c7f-4274-af6d-394ad55654a5/bin/utaipan-verify-t7M7D8N6sZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3291167999bb7bd7f68091110884d1151ee296ff17c178c4f709963149d4b67b [2023-11-19 04:59:53,446 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 04:59:53,489 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 04:59:53,492 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 04:59:53,493 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 04:59:53,494 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 04:59:53,496 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_696f5eb5-1c7f-4274-af6d-394ad55654a5/bin/utaipan-verify-t7M7D8N6sZ/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-sp_file-26.i [2023-11-19 04:59:57,024 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 04:59:57,244 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 04:59:57,244 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_696f5eb5-1c7f-4274-af6d-394ad55654a5/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-sp_file-26.i [2023-11-19 04:59:57,254 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_696f5eb5-1c7f-4274-af6d-394ad55654a5/bin/utaipan-verify-t7M7D8N6sZ/data/749a36fbe/b39d94f5812c478c8abc6d90ae735d7a/FLAG8dad6110e [2023-11-19 04:59:57,269 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_696f5eb5-1c7f-4274-af6d-394ad55654a5/bin/utaipan-verify-t7M7D8N6sZ/data/749a36fbe/b39d94f5812c478c8abc6d90ae735d7a [2023-11-19 04:59:57,272 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 04:59:57,274 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 04:59:57,275 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 04:59:57,276 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 04:59:57,281 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 04:59:57,282 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:59:57" (1/1) ... [2023-11-19 04:59:57,283 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1b5d97e6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:59:57, skipping insertion in model container [2023-11-19 04:59:57,283 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:59:57" (1/1) ... [2023-11-19 04:59:57,318 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 04:59:57,544 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_696f5eb5-1c7f-4274-af6d-394ad55654a5/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-sp_file-26.i[917,930] [2023-11-19 04:59:57,666 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:59:57,692 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 04:59:57,708 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_696f5eb5-1c7f-4274-af6d-394ad55654a5/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-sp_file-26.i[917,930] [2023-11-19 04:59:57,793 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:59:57,825 INFO L206 MainTranslator]: Completed translation [2023-11-19 04:59:57,826 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:59:57 WrapperNode [2023-11-19 04:59:57,826 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 04:59:57,828 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 04:59:57,829 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 04:59:57,829 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 04:59:57,838 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:59:57" (1/1) ... [2023-11-19 04:59:57,879 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:59:57" (1/1) ... [2023-11-19 04:59:57,945 INFO L138 Inliner]: procedures = 36, calls = 150, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 418 [2023-11-19 04:59:57,954 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 04:59:57,955 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 04:59:57,955 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 04:59:57,955 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 04:59:57,969 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:59:57" (1/1) ... [2023-11-19 04:59:57,969 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:59:57" (1/1) ... [2023-11-19 04:59:57,978 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:59:57" (1/1) ... [2023-11-19 04:59:57,979 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:59:57" (1/1) ... [2023-11-19 04:59:58,007 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:59:57" (1/1) ... [2023-11-19 04:59:58,030 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:59:57" (1/1) ... [2023-11-19 04:59:58,035 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:59:57" (1/1) ... [2023-11-19 04:59:58,039 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:59:57" (1/1) ... [2023-11-19 04:59:58,047 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 04:59:58,065 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 04:59:58,065 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 04:59:58,065 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 04:59:58,066 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:59:57" (1/1) ... [2023-11-19 04:59:58,074 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 04:59:58,089 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_696f5eb5-1c7f-4274-af6d-394ad55654a5/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 04:59:58,101 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_696f5eb5-1c7f-4274-af6d-394ad55654a5/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 04:59:58,118 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_696f5eb5-1c7f-4274-af6d-394ad55654a5/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 04:59:58,144 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 04:59:58,145 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2023-11-19 04:59:58,145 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2023-11-19 04:59:58,145 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 04:59:58,145 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2023-11-19 04:59:58,146 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2023-11-19 04:59:58,146 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-19 04:59:58,146 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2023-11-19 04:59:58,146 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2023-11-19 04:59:58,147 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4 [2023-11-19 04:59:58,147 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 04:59:58,147 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 04:59:58,148 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 04:59:58,148 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 04:59:58,148 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2023-11-19 04:59:58,148 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2023-11-19 04:59:58,148 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-19 04:59:58,304 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 04:59:58,308 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 04:59:59,813 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 04:59:59,827 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 04:59:59,827 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 04:59:59,836 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:59:59 BoogieIcfgContainer [2023-11-19 04:59:59,837 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 04:59:59,845 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 04:59:59,846 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 04:59:59,850 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 04:59:59,851 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 04:59:57" (1/3) ... [2023-11-19 04:59:59,852 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@452195a0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 04:59:59, skipping insertion in model container [2023-11-19 04:59:59,852 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:59:57" (2/3) ... [2023-11-19 04:59:59,853 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@452195a0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 04:59:59, skipping insertion in model container [2023-11-19 04:59:59,854 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:59:59" (3/3) ... [2023-11-19 04:59:59,857 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-sp_file-26.i [2023-11-19 04:59:59,882 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 04:59:59,883 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-19 04:59:59,945 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 04:59:59,952 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;@6a5165d2, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-19 04:59:59,952 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-19 04:59:59,957 INFO L276 IsEmpty]: Start isEmpty. Operand has 93 states, 81 states have (on average 1.4320987654320987) internal successors, (116), 82 states have internal predecessors, (116), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2023-11-19 04:59:59,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2023-11-19 04:59:59,972 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 04:59:59,973 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 04:59:59,974 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 04:59:59,980 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:59:59,980 INFO L85 PathProgramCache]: Analyzing trace with hash -877936993, now seen corresponding path program 1 times [2023-11-19 04:59:59,997 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-19 04:59:59,998 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1291449682] [2023-11-19 04:59:59,998 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:59:59,999 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 [2023-11-19 04:59:59,999 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_696f5eb5-1c7f-4274-af6d-394ad55654a5/bin/utaipan-verify-t7M7D8N6sZ/mathsat [2023-11-19 05:00:00,000 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_696f5eb5-1c7f-4274-af6d-394ad55654a5/bin/utaipan-verify-t7M7D8N6sZ/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) [2023-11-19 05:00:00,058 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_696f5eb5-1c7f-4274-af6d-394ad55654a5/bin/utaipan-verify-t7M7D8N6sZ/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 [2023-11-19 05:00:00,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:00:00,642 INFO L262 TraceCheckSpWp]: Trace formula consists of 216 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 05:00:00,655 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 05:00:00,702 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 128 trivial. 0 not checked. [2023-11-19 05:00:00,702 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 05:00:00,703 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-19 05:00:00,704 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1291449682] [2023-11-19 05:00:00,704 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1291449682] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 05:00:00,705 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 05:00:00,705 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 05:00:00,707 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1358410137] [2023-11-19 05:00:00,708 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 05:00:00,714 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-19 05:00:00,715 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-19 05:00:00,752 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-19 05:00:00,753 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-19 05:00:00,756 INFO L87 Difference]: Start difference. First operand has 93 states, 81 states have (on average 1.4320987654320987) internal successors, (116), 82 states have internal predecessors, (116), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) Second operand has 2 states, 2 states have (on average 24.5) internal successors, (49), 2 states have internal predecessors, (49), 1 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 2 states have call predecessors, (9), 1 states have call successors, (9) [2023-11-19 05:00:00,796 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 05:00:00,797 INFO L93 Difference]: Finished difference Result 179 states and 271 transitions. [2023-11-19 05:00:00,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-19 05:00:00,800 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 24.5) internal successors, (49), 2 states have internal predecessors, (49), 1 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 2 states have call predecessors, (9), 1 states have call successors, (9) Word has length 89 [2023-11-19 05:00:00,800 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 05:00:00,809 INFO L225 Difference]: With dead ends: 179 [2023-11-19 05:00:00,809 INFO L226 Difference]: Without dead ends: 89 [2023-11-19 05:00:00,814 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 88 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-19 05:00:00,819 INFO L413 NwaCegarLoop]: 127 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 127 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-19 05:00:00,820 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 127 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 05:00:00,839 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89 states. [2023-11-19 05:00:00,867 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89 to 89. [2023-11-19 05:00:00,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 89 states, 78 states have (on average 1.3974358974358974) internal successors, (109), 78 states have internal predecessors, (109), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2023-11-19 05:00:00,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 89 states and 127 transitions. [2023-11-19 05:00:00,875 INFO L78 Accepts]: Start accepts. Automaton has 89 states and 127 transitions. Word has length 89 [2023-11-19 05:00:00,875 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 05:00:00,875 INFO L495 AbstractCegarLoop]: Abstraction has 89 states and 127 transitions. [2023-11-19 05:00:00,876 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 24.5) internal successors, (49), 2 states have internal predecessors, (49), 1 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 2 states have call predecessors, (9), 1 states have call successors, (9) [2023-11-19 05:00:00,876 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 127 transitions. [2023-11-19 05:00:00,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2023-11-19 05:00:00,883 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:00:00,883 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 05:00:00,902 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_696f5eb5-1c7f-4274-af6d-394ad55654a5/bin/utaipan-verify-t7M7D8N6sZ/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 [2023-11-19 05:00:01,095 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_696f5eb5-1c7f-4274-af6d-394ad55654a5/bin/utaipan-verify-t7M7D8N6sZ/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 [2023-11-19 05:00:01,096 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 05:00:01,097 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:00:01,097 INFO L85 PathProgramCache]: Analyzing trace with hash 1465375761, now seen corresponding path program 1 times [2023-11-19 05:00:01,098 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-19 05:00:01,098 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1040902917] [2023-11-19 05:00:01,099 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:00:01,099 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 [2023-11-19 05:00:01,099 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_696f5eb5-1c7f-4274-af6d-394ad55654a5/bin/utaipan-verify-t7M7D8N6sZ/mathsat [2023-11-19 05:00:01,105 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_696f5eb5-1c7f-4274-af6d-394ad55654a5/bin/utaipan-verify-t7M7D8N6sZ/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) [2023-11-19 05:00:01,106 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_696f5eb5-1c7f-4274-af6d-394ad55654a5/bin/utaipan-verify-t7M7D8N6sZ/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 [2023-11-19 05:00:01,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:00:01,643 INFO L262 TraceCheckSpWp]: Trace formula consists of 216 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 05:00:01,650 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 05:00:01,720 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2023-11-19 05:00:01,721 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 05:00:01,721 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-19 05:00:01,722 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1040902917] [2023-11-19 05:00:01,722 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1040902917] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 05:00:01,722 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 05:00:01,723 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-19 05:00:01,723 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [191832075] [2023-11-19 05:00:01,723 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 05:00:01,728 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-19 05:00:01,729 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-19 05:00:01,730 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-19 05:00:01,730 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-19 05:00:01,731 INFO L87 Difference]: Start difference. First operand 89 states and 127 transitions. Second operand has 4 states, 4 states have (on average 12.5) internal successors, (50), 4 states have internal predecessors, (50), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2023-11-19 05:00:02,251 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 05:00:02,251 INFO L93 Difference]: Finished difference Result 181 states and 260 transitions. [2023-11-19 05:00:02,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-19 05:00:02,259 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.5) internal successors, (50), 4 states have internal predecessors, (50), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 89 [2023-11-19 05:00:02,260 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 05:00:02,262 INFO L225 Difference]: With dead ends: 181 [2023-11-19 05:00:02,262 INFO L226 Difference]: Without dead ends: 95 [2023-11-19 05:00:02,263 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 86 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-19 05:00:02,265 INFO L413 NwaCegarLoop]: 126 mSDtfsCounter, 10 mSDsluCounter, 240 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 366 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-11-19 05:00:02,266 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 366 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-11-19 05:00:02,268 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95 states. [2023-11-19 05:00:02,280 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95 to 91. [2023-11-19 05:00:02,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 91 states, 80 states have (on average 1.3875) internal successors, (111), 80 states have internal predecessors, (111), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2023-11-19 05:00:02,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 129 transitions. [2023-11-19 05:00:02,284 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 129 transitions. Word has length 89 [2023-11-19 05:00:02,284 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 05:00:02,284 INFO L495 AbstractCegarLoop]: Abstraction has 91 states and 129 transitions. [2023-11-19 05:00:02,285 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.5) internal successors, (50), 4 states have internal predecessors, (50), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2023-11-19 05:00:02,285 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 129 transitions. [2023-11-19 05:00:02,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2023-11-19 05:00:02,288 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:00:02,288 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 05:00:02,306 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_696f5eb5-1c7f-4274-af6d-394ad55654a5/bin/utaipan-verify-t7M7D8N6sZ/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)] Ended with exit code 0 [2023-11-19 05:00:02,499 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_696f5eb5-1c7f-4274-af6d-394ad55654a5/bin/utaipan-verify-t7M7D8N6sZ/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 [2023-11-19 05:00:02,500 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 05:00:02,500 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:00:02,501 INFO L85 PathProgramCache]: Analyzing trace with hash 1388474963, now seen corresponding path program 1 times [2023-11-19 05:00:02,502 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-19 05:00:02,502 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1692992658] [2023-11-19 05:00:02,502 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:00:02,504 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 [2023-11-19 05:00:02,504 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_696f5eb5-1c7f-4274-af6d-394ad55654a5/bin/utaipan-verify-t7M7D8N6sZ/mathsat [2023-11-19 05:00:02,506 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_696f5eb5-1c7f-4274-af6d-394ad55654a5/bin/utaipan-verify-t7M7D8N6sZ/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) [2023-11-19 05:00:02,509 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_696f5eb5-1c7f-4274-af6d-394ad55654a5/bin/utaipan-verify-t7M7D8N6sZ/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 [2023-11-19 05:00:03,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:00:03,023 INFO L262 TraceCheckSpWp]: Trace formula consists of 218 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 05:00:03,038 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 05:00:03,106 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 9 [2023-11-19 05:00:03,148 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2023-11-19 05:00:03,148 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 05:00:03,148 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-19 05:00:03,149 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1692992658] [2023-11-19 05:00:03,149 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1692992658] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 05:00:03,149 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 05:00:03,150 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 05:00:03,150 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [719803886] [2023-11-19 05:00:03,150 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 05:00:03,151 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 05:00:03,151 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-19 05:00:03,152 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 05:00:03,153 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 05:00:03,153 INFO L87 Difference]: Start difference. First operand 91 states and 129 transitions. Second operand has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2023-11-19 05:00:03,700 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 05:00:03,701 INFO L93 Difference]: Finished difference Result 179 states and 255 transitions. [2023-11-19 05:00:03,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 05:00:03,702 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) Word has length 89 [2023-11-19 05:00:03,703 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 05:00:03,704 INFO L225 Difference]: With dead ends: 179 [2023-11-19 05:00:03,705 INFO L226 Difference]: Without dead ends: 91 [2023-11-19 05:00:03,706 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 87 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 05:00:03,708 INFO L413 NwaCegarLoop]: 125 mSDtfsCounter, 1 mSDsluCounter, 121 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 246 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-11-19 05:00:03,709 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 246 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-11-19 05:00:03,710 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states. [2023-11-19 05:00:03,721 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 91. [2023-11-19 05:00:03,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 91 states, 80 states have (on average 1.375) internal successors, (110), 80 states have internal predecessors, (110), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2023-11-19 05:00:03,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 128 transitions. [2023-11-19 05:00:03,724 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 128 transitions. Word has length 89 [2023-11-19 05:00:03,725 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 05:00:03,725 INFO L495 AbstractCegarLoop]: Abstraction has 91 states and 128 transitions. [2023-11-19 05:00:03,726 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2023-11-19 05:00:03,726 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 128 transitions. [2023-11-19 05:00:03,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2023-11-19 05:00:03,729 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:00:03,729 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 05:00:03,748 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_696f5eb5-1c7f-4274-af6d-394ad55654a5/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Ended with exit code 0 [2023-11-19 05:00:03,942 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_696f5eb5-1c7f-4274-af6d-394ad55654a5/bin/utaipan-verify-t7M7D8N6sZ/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 [2023-11-19 05:00:03,942 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 05:00:03,943 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:00:03,943 INFO L85 PathProgramCache]: Analyzing trace with hash 570826513, now seen corresponding path program 1 times [2023-11-19 05:00:03,944 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-19 05:00:03,944 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [216142332] [2023-11-19 05:00:03,944 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:00:03,945 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 [2023-11-19 05:00:03,945 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_696f5eb5-1c7f-4274-af6d-394ad55654a5/bin/utaipan-verify-t7M7D8N6sZ/mathsat [2023-11-19 05:00:03,947 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_696f5eb5-1c7f-4274-af6d-394ad55654a5/bin/utaipan-verify-t7M7D8N6sZ/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) [2023-11-19 05:00:03,951 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_696f5eb5-1c7f-4274-af6d-394ad55654a5/bin/utaipan-verify-t7M7D8N6sZ/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 [2023-11-19 05:00:04,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:00:04,516 INFO L262 TraceCheckSpWp]: Trace formula consists of 218 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 05:00:04,521 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 05:00:04,590 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2023-11-19 05:00:04,593 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 05:00:04,593 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-19 05:00:04,594 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [216142332] [2023-11-19 05:00:04,599 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [216142332] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 05:00:04,599 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 05:00:04,599 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-19 05:00:04,600 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1652084532] [2023-11-19 05:00:04,600 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 05:00:04,601 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-19 05:00:04,605 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-19 05:00:04,606 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-19 05:00:04,606 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-19 05:00:04,607 INFO L87 Difference]: Start difference. First operand 91 states and 128 transitions. Second operand has 5 states, 5 states have (on average 9.4) internal successors, (47), 5 states have internal predecessors, (47), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2023-11-19 05:00:04,732 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 05:00:04,732 INFO L93 Difference]: Finished difference Result 188 states and 265 transitions. [2023-11-19 05:00:04,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-19 05:00:04,734 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.4) internal successors, (47), 5 states have internal predecessors, (47), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) Word has length 89 [2023-11-19 05:00:04,735 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 05:00:04,737 INFO L225 Difference]: With dead ends: 188 [2023-11-19 05:00:04,737 INFO L226 Difference]: Without dead ends: 100 [2023-11-19 05:00:04,739 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 85 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-11-19 05:00:04,740 INFO L413 NwaCegarLoop]: 121 mSDtfsCounter, 10 mSDsluCounter, 352 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 473 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-19 05:00:04,741 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 473 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-19 05:00:04,742 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 100 states. [2023-11-19 05:00:04,753 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 100 to 95. [2023-11-19 05:00:04,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 95 states, 84 states have (on average 1.3571428571428572) internal successors, (114), 84 states have internal predecessors, (114), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2023-11-19 05:00:04,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 132 transitions. [2023-11-19 05:00:04,756 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 132 transitions. Word has length 89 [2023-11-19 05:00:04,757 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 05:00:04,757 INFO L495 AbstractCegarLoop]: Abstraction has 95 states and 132 transitions. [2023-11-19 05:00:04,758 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.4) internal successors, (47), 5 states have internal predecessors, (47), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2023-11-19 05:00:04,758 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 132 transitions. [2023-11-19 05:00:04,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2023-11-19 05:00:04,760 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:00:04,761 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 05:00:04,781 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_696f5eb5-1c7f-4274-af6d-394ad55654a5/bin/utaipan-verify-t7M7D8N6sZ/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 [2023-11-19 05:00:04,978 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_696f5eb5-1c7f-4274-af6d-394ad55654a5/bin/utaipan-verify-t7M7D8N6sZ/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 [2023-11-19 05:00:04,979 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 05:00:04,979 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:00:04,979 INFO L85 PathProgramCache]: Analyzing trace with hash 572673555, now seen corresponding path program 1 times [2023-11-19 05:00:04,980 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-19 05:00:04,980 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [330800733] [2023-11-19 05:00:04,981 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:00:04,981 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 [2023-11-19 05:00:04,981 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_696f5eb5-1c7f-4274-af6d-394ad55654a5/bin/utaipan-verify-t7M7D8N6sZ/mathsat [2023-11-19 05:00:04,984 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_696f5eb5-1c7f-4274-af6d-394ad55654a5/bin/utaipan-verify-t7M7D8N6sZ/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) [2023-11-19 05:00:05,006 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_696f5eb5-1c7f-4274-af6d-394ad55654a5/bin/utaipan-verify-t7M7D8N6sZ/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 [2023-11-19 05:00:05,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:00:05,516 INFO L262 TraceCheckSpWp]: Trace formula consists of 215 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-19 05:00:05,522 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 05:00:05,697 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 95 treesize of output 41 [2023-11-19 05:00:05,758 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2023-11-19 05:00:05,764 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 05:00:05,765 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-19 05:00:05,765 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [330800733] [2023-11-19 05:00:05,766 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [330800733] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 05:00:05,767 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 05:00:05,767 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-19 05:00:05,768 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [131139105] [2023-11-19 05:00:05,769 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 05:00:05,769 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-19 05:00:05,771 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-19 05:00:05,772 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-19 05:00:05,772 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-11-19 05:00:05,773 INFO L87 Difference]: Start difference. First operand 95 states and 132 transitions. Second operand has 6 states, 6 states have (on average 8.333333333333334) internal successors, (50), 5 states have internal predecessors, (50), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2023-11-19 05:00:07,432 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 05:00:07,433 INFO L93 Difference]: Finished difference Result 191 states and 267 transitions. [2023-11-19 05:00:07,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-19 05:00:07,434 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.333333333333334) internal successors, (50), 5 states have internal predecessors, (50), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 89 [2023-11-19 05:00:07,435 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 05:00:07,436 INFO L225 Difference]: With dead ends: 191 [2023-11-19 05:00:07,436 INFO L226 Difference]: Without dead ends: 99 [2023-11-19 05:00:07,438 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 84 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=35, Invalid=55, Unknown=0, NotChecked=0, Total=90 [2023-11-19 05:00:07,439 INFO L413 NwaCegarLoop]: 113 mSDtfsCounter, 137 mSDsluCounter, 260 mSDsCounter, 0 mSdLazyCounter, 119 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 137 SdHoareTripleChecker+Valid, 373 SdHoareTripleChecker+Invalid, 124 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 119 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2023-11-19 05:00:07,440 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [137 Valid, 373 Invalid, 124 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 119 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2023-11-19 05:00:07,441 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 99 states. [2023-11-19 05:00:07,452 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 99 to 93. [2023-11-19 05:00:07,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 93 states, 82 states have (on average 1.353658536585366) internal successors, (111), 82 states have internal predecessors, (111), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2023-11-19 05:00:07,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 129 transitions. [2023-11-19 05:00:07,462 INFO L78 Accepts]: Start accepts. Automaton has 93 states and 129 transitions. Word has length 89 [2023-11-19 05:00:07,463 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 05:00:07,463 INFO L495 AbstractCegarLoop]: Abstraction has 93 states and 129 transitions. [2023-11-19 05:00:07,463 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.333333333333334) internal successors, (50), 5 states have internal predecessors, (50), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2023-11-19 05:00:07,464 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 129 transitions. [2023-11-19 05:00:07,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2023-11-19 05:00:07,468 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:00:07,468 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 05:00:07,480 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_696f5eb5-1c7f-4274-af6d-394ad55654a5/bin/utaipan-verify-t7M7D8N6sZ/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 [2023-11-19 05:00:07,676 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_696f5eb5-1c7f-4274-af6d-394ad55654a5/bin/utaipan-verify-t7M7D8N6sZ/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 [2023-11-19 05:00:07,677 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 05:00:07,677 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:00:07,678 INFO L85 PathProgramCache]: Analyzing trace with hash 107335243, now seen corresponding path program 1 times [2023-11-19 05:00:07,678 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-19 05:00:07,679 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1756200648] [2023-11-19 05:00:07,679 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:00:07,679 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 [2023-11-19 05:00:07,679 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_696f5eb5-1c7f-4274-af6d-394ad55654a5/bin/utaipan-verify-t7M7D8N6sZ/mathsat [2023-11-19 05:00:07,681 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_696f5eb5-1c7f-4274-af6d-394ad55654a5/bin/utaipan-verify-t7M7D8N6sZ/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) [2023-11-19 05:00:07,691 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_696f5eb5-1c7f-4274-af6d-394ad55654a5/bin/utaipan-verify-t7M7D8N6sZ/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 [2023-11-19 05:00:08,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:00:08,237 INFO L262 TraceCheckSpWp]: Trace formula consists of 219 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-19 05:00:08,246 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 05:00:08,482 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 94 treesize of output 40 [2023-11-19 05:00:08,584 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 72 proven. 8 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2023-11-19 05:00:08,584 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-19 05:00:08,947 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 58 treesize of output 22 [2023-11-19 05:00:08,961 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 6 proven. 18 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2023-11-19 05:00:08,962 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-19 05:00:08,962 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1756200648] [2023-11-19 05:00:08,963 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1756200648] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-19 05:00:08,963 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1719901922] [2023-11-19 05:00:08,963 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:00:08,963 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-19 05:00:08,964 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_696f5eb5-1c7f-4274-af6d-394ad55654a5/bin/utaipan-verify-t7M7D8N6sZ/cvc4 [2023-11-19 05:00:08,970 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_696f5eb5-1c7f-4274-af6d-394ad55654a5/bin/utaipan-verify-t7M7D8N6sZ/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-19 05:00:08,984 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_696f5eb5-1c7f-4274-af6d-394ad55654a5/bin/utaipan-verify-t7M7D8N6sZ/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2023-11-19 05:00:10,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:00:10,224 INFO L262 TraceCheckSpWp]: Trace formula consists of 219 conjuncts, 14 conjunts are in the unsatisfiable core [2023-11-19 05:00:10,230 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 05:00:10,873 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 99 treesize of output 51 [2023-11-19 05:00:10,916 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 72 proven. 8 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2023-11-19 05:00:10,916 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-19 05:00:11,458 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 88 treesize of output 34 [2023-11-19 05:00:11,472 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 6 proven. 18 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2023-11-19 05:00:11,473 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1719901922] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-19 05:00:11,473 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [194740394] [2023-11-19 05:00:11,473 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:00:11,474 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 05:00:11,474 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_696f5eb5-1c7f-4274-af6d-394ad55654a5/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 05:00:11,478 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_696f5eb5-1c7f-4274-af6d-394ad55654a5/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 05:00:11,500 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_696f5eb5-1c7f-4274-af6d-394ad55654a5/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2023-11-19 05:00:11,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:00:11,874 INFO L262 TraceCheckSpWp]: Trace formula consists of 219 conjuncts, 23 conjunts are in the unsatisfiable core [2023-11-19 05:00:11,881 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 05:00:11,965 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2023-11-19 05:00:12,769 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 72 proven. 8 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2023-11-19 05:00:12,770 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-19 05:00:12,976 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 6 proven. 18 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2023-11-19 05:00:12,976 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [194740394] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-19 05:00:12,976 INFO L185 FreeRefinementEngine]: Found 0 perfect and 6 imperfect interpolant sequences. [2023-11-19 05:00:12,977 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 8, 10, 9, 10, 9] total 25 [2023-11-19 05:00:12,977 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1588058436] [2023-11-19 05:00:12,977 INFO L85 oduleStraightlineAll]: Using 6 imperfect interpolants to construct interpolant automaton [2023-11-19 05:00:12,979 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2023-11-19 05:00:12,979 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-19 05:00:12,981 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2023-11-19 05:00:12,982 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=131, Invalid=469, Unknown=0, NotChecked=0, Total=600 [2023-11-19 05:00:12,984 INFO L87 Difference]: Start difference. First operand 93 states and 129 transitions. Second operand has 25 states, 23 states have (on average 4.173913043478261) internal successors, (96), 24 states have internal predecessors, (96), 6 states have call successors, (20), 5 states have call predecessors, (20), 6 states have return successors, (20), 4 states have call predecessors, (20), 6 states have call successors, (20) [2023-11-19 05:00:17,806 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 05:00:17,806 INFO L93 Difference]: Finished difference Result 202 states and 276 transitions. [2023-11-19 05:00:17,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2023-11-19 05:00:17,808 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 23 states have (on average 4.173913043478261) internal successors, (96), 24 states have internal predecessors, (96), 6 states have call successors, (20), 5 states have call predecessors, (20), 6 states have return successors, (20), 4 states have call predecessors, (20), 6 states have call successors, (20) Word has length 91 [2023-11-19 05:00:17,808 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 05:00:17,809 INFO L225 Difference]: With dead ends: 202 [2023-11-19 05:00:17,810 INFO L226 Difference]: Without dead ends: 95 [2023-11-19 05:00:17,811 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 555 GetRequests, 517 SyntacticMatches, 0 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 355 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=344, Invalid=1216, Unknown=0, NotChecked=0, Total=1560 [2023-11-19 05:00:17,813 INFO L413 NwaCegarLoop]: 96 mSDtfsCounter, 136 mSDsluCounter, 600 mSDsCounter, 0 mSdLazyCounter, 890 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 143 SdHoareTripleChecker+Valid, 696 SdHoareTripleChecker+Invalid, 904 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 890 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.9s IncrementalHoareTripleChecker+Time [2023-11-19 05:00:17,813 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [143 Valid, 696 Invalid, 904 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 890 Invalid, 0 Unknown, 0 Unchecked, 3.9s Time] [2023-11-19 05:00:17,815 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95 states. [2023-11-19 05:00:17,828 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95 to 93. [2023-11-19 05:00:17,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 93 states, 82 states have (on average 1.329268292682927) internal successors, (109), 82 states have internal predecessors, (109), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2023-11-19 05:00:17,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 127 transitions. [2023-11-19 05:00:17,830 INFO L78 Accepts]: Start accepts. Automaton has 93 states and 127 transitions. Word has length 91 [2023-11-19 05:00:17,831 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 05:00:17,831 INFO L495 AbstractCegarLoop]: Abstraction has 93 states and 127 transitions. [2023-11-19 05:00:17,831 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 23 states have (on average 4.173913043478261) internal successors, (96), 24 states have internal predecessors, (96), 6 states have call successors, (20), 5 states have call predecessors, (20), 6 states have return successors, (20), 4 states have call predecessors, (20), 6 states have call successors, (20) [2023-11-19 05:00:17,831 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 127 transitions. [2023-11-19 05:00:17,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2023-11-19 05:00:17,834 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:00:17,834 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 05:00:17,870 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_696f5eb5-1c7f-4274-af6d-394ad55654a5/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2023-11-19 05:00:18,071 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_696f5eb5-1c7f-4274-af6d-394ad55654a5/bin/utaipan-verify-t7M7D8N6sZ/cvc4 --incremental --print-success --lang smt (8)] Forceful destruction successful, exit code 0 [2023-11-19 05:00:18,272 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_696f5eb5-1c7f-4274-af6d-394ad55654a5/bin/utaipan-verify-t7M7D8N6sZ/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 [2023-11-19 05:00:18,463 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_696f5eb5-1c7f-4274-af6d-394ad55654a5/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_696f5eb5-1c7f-4274-af6d-394ad55654a5/bin/utaipan-verify-t7M7D8N6sZ/cvc4 --incremental --print-success --lang smt,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_696f5eb5-1c7f-4274-af6d-394ad55654a5/bin/utaipan-verify-t7M7D8N6sZ/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 [2023-11-19 05:00:18,464 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 05:00:18,464 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:00:18,464 INFO L85 PathProgramCache]: Analyzing trace with hash -779887603, now seen corresponding path program 1 times [2023-11-19 05:00:18,465 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-19 05:00:18,465 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1832959656] [2023-11-19 05:00:18,465 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:00:18,465 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 [2023-11-19 05:00:18,465 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_696f5eb5-1c7f-4274-af6d-394ad55654a5/bin/utaipan-verify-t7M7D8N6sZ/mathsat [2023-11-19 05:00:18,476 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_696f5eb5-1c7f-4274-af6d-394ad55654a5/bin/utaipan-verify-t7M7D8N6sZ/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) [2023-11-19 05:00:18,480 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_696f5eb5-1c7f-4274-af6d-394ad55654a5/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2023-11-19 05:00:18,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:00:19,007 INFO L262 TraceCheckSpWp]: Trace formula consists of 221 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 05:00:19,011 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 05:00:19,041 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 19 [2023-11-19 05:00:19,078 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2023-11-19 05:00:19,078 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 05:00:19,078 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-19 05:00:19,079 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1832959656] [2023-11-19 05:00:19,079 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1832959656] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 05:00:19,079 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 05:00:19,079 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 05:00:19,080 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1057332462] [2023-11-19 05:00:19,082 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 05:00:19,083 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 05:00:19,084 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-19 05:00:19,085 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 05:00:19,086 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 05:00:19,086 INFO L87 Difference]: Start difference. First operand 93 states and 127 transitions. Second operand has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2023-11-19 05:00:19,528 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 05:00:19,528 INFO L93 Difference]: Finished difference Result 181 states and 249 transitions. [2023-11-19 05:00:19,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 05:00:19,529 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) Word has length 91 [2023-11-19 05:00:19,530 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 05:00:19,531 INFO L225 Difference]: With dead ends: 181 [2023-11-19 05:00:19,532 INFO L226 Difference]: Without dead ends: 91 [2023-11-19 05:00:19,532 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 89 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 05:00:19,534 INFO L413 NwaCegarLoop]: 119 mSDtfsCounter, 0 mSDsluCounter, 116 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 235 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-11-19 05:00:19,534 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 235 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-11-19 05:00:19,535 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states. [2023-11-19 05:00:19,543 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 91. [2023-11-19 05:00:19,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 91 states, 80 states have (on average 1.325) internal successors, (106), 80 states have internal predecessors, (106), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2023-11-19 05:00:19,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 124 transitions. [2023-11-19 05:00:19,546 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 124 transitions. Word has length 91 [2023-11-19 05:00:19,547 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 05:00:19,547 INFO L495 AbstractCegarLoop]: Abstraction has 91 states and 124 transitions. [2023-11-19 05:00:19,547 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2023-11-19 05:00:19,547 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 124 transitions. [2023-11-19 05:00:19,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2023-11-19 05:00:19,549 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:00:19,550 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 05:00:19,564 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_696f5eb5-1c7f-4274-af6d-394ad55654a5/bin/utaipan-verify-t7M7D8N6sZ/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)] Forceful destruction successful, exit code 0 [2023-11-19 05:00:19,765 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_696f5eb5-1c7f-4274-af6d-394ad55654a5/bin/utaipan-verify-t7M7D8N6sZ/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 [2023-11-19 05:00:19,765 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 05:00:19,766 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:00:19,766 INFO L85 PathProgramCache]: Analyzing trace with hash 1993214942, now seen corresponding path program 1 times [2023-11-19 05:00:19,767 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-19 05:00:19,767 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1443447895] [2023-11-19 05:00:19,767 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:00:19,767 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 [2023-11-19 05:00:19,767 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_696f5eb5-1c7f-4274-af6d-394ad55654a5/bin/utaipan-verify-t7M7D8N6sZ/mathsat [2023-11-19 05:00:19,769 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_696f5eb5-1c7f-4274-af6d-394ad55654a5/bin/utaipan-verify-t7M7D8N6sZ/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) [2023-11-19 05:00:19,796 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_696f5eb5-1c7f-4274-af6d-394ad55654a5/bin/utaipan-verify-t7M7D8N6sZ/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 [2023-11-19 05:00:20,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:00:20,242 INFO L262 TraceCheckSpWp]: Trace formula consists of 236 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 05:00:20,248 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 05:00:20,269 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 9 [2023-11-19 05:00:20,310 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2023-11-19 05:00:20,311 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 05:00:20,311 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-19 05:00:20,311 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1443447895] [2023-11-19 05:00:20,312 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1443447895] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 05:00:20,312 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 05:00:20,312 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 05:00:20,314 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [532542005] [2023-11-19 05:00:20,314 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 05:00:20,315 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 05:00:20,316 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-19 05:00:20,316 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 05:00:20,317 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 05:00:20,317 INFO L87 Difference]: Start difference. First operand 91 states and 124 transitions. Second operand has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2023-11-19 05:00:20,668 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 05:00:20,668 INFO L93 Difference]: Finished difference Result 179 states and 245 transitions. [2023-11-19 05:00:20,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 05:00:20,669 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) Word has length 96 [2023-11-19 05:00:20,670 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 05:00:20,671 INFO L225 Difference]: With dead ends: 179 [2023-11-19 05:00:20,671 INFO L226 Difference]: Without dead ends: 91 [2023-11-19 05:00:20,672 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 94 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 05:00:20,673 INFO L413 NwaCegarLoop]: 118 mSDtfsCounter, 12 mSDsluCounter, 103 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 221 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-19 05:00:20,673 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 221 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-19 05:00:20,674 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states. [2023-11-19 05:00:20,682 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 91. [2023-11-19 05:00:20,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 91 states, 80 states have (on average 1.3125) internal successors, (105), 80 states have internal predecessors, (105), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2023-11-19 05:00:20,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 123 transitions. [2023-11-19 05:00:20,685 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 123 transitions. Word has length 96 [2023-11-19 05:00:20,685 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 05:00:20,685 INFO L495 AbstractCegarLoop]: Abstraction has 91 states and 123 transitions. [2023-11-19 05:00:20,686 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2023-11-19 05:00:20,686 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 123 transitions. [2023-11-19 05:00:20,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2023-11-19 05:00:20,688 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:00:20,688 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 05:00:20,703 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_696f5eb5-1c7f-4274-af6d-394ad55654a5/bin/utaipan-verify-t7M7D8N6sZ/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 [2023-11-19 05:00:20,902 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_696f5eb5-1c7f-4274-af6d-394ad55654a5/bin/utaipan-verify-t7M7D8N6sZ/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 [2023-11-19 05:00:20,902 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 05:00:20,903 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:00:20,903 INFO L85 PathProgramCache]: Analyzing trace with hash 2133763552, now seen corresponding path program 1 times [2023-11-19 05:00:20,903 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-19 05:00:20,903 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1153393898] [2023-11-19 05:00:20,904 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:00:20,904 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 [2023-11-19 05:00:20,904 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_696f5eb5-1c7f-4274-af6d-394ad55654a5/bin/utaipan-verify-t7M7D8N6sZ/mathsat [2023-11-19 05:00:20,905 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_696f5eb5-1c7f-4274-af6d-394ad55654a5/bin/utaipan-verify-t7M7D8N6sZ/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) [2023-11-19 05:00:20,906 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_696f5eb5-1c7f-4274-af6d-394ad55654a5/bin/utaipan-verify-t7M7D8N6sZ/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)] Waiting until timeout for monitored process [2023-11-19 05:00:21,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:00:21,498 INFO L262 TraceCheckSpWp]: Trace formula consists of 236 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 05:00:21,502 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 05:00:21,513 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 9 [2023-11-19 05:00:21,538 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2023-11-19 05:00:21,539 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 05:00:21,539 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-19 05:00:21,539 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1153393898] [2023-11-19 05:00:21,539 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1153393898] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 05:00:21,540 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 05:00:21,540 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 05:00:21,540 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1629265775] [2023-11-19 05:00:21,540 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 05:00:21,541 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 05:00:21,541 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-19 05:00:21,542 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 05:00:21,542 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 05:00:21,542 INFO L87 Difference]: Start difference. First operand 91 states and 123 transitions. Second operand has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2023-11-19 05:00:22,052 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 05:00:22,053 INFO L93 Difference]: Finished difference Result 179 states and 243 transitions. [2023-11-19 05:00:22,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 05:00:22,054 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) Word has length 96 [2023-11-19 05:00:22,054 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 05:00:22,055 INFO L225 Difference]: With dead ends: 179 [2023-11-19 05:00:22,056 INFO L226 Difference]: Without dead ends: 91 [2023-11-19 05:00:22,056 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 94 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 05:00:22,057 INFO L413 NwaCegarLoop]: 117 mSDtfsCounter, 9 mSDsluCounter, 105 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 222 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-11-19 05:00:22,058 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 222 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-11-19 05:00:22,059 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states. [2023-11-19 05:00:22,066 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 91. [2023-11-19 05:00:22,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 91 states, 80 states have (on average 1.3) internal successors, (104), 80 states have internal predecessors, (104), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2023-11-19 05:00:22,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 122 transitions. [2023-11-19 05:00:22,068 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 122 transitions. Word has length 96 [2023-11-19 05:00:22,068 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 05:00:22,069 INFO L495 AbstractCegarLoop]: Abstraction has 91 states and 122 transitions. [2023-11-19 05:00:22,069 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2023-11-19 05:00:22,069 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 122 transitions. [2023-11-19 05:00:22,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2023-11-19 05:00:22,081 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:00:22,081 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 05:00:22,092 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_696f5eb5-1c7f-4274-af6d-394ad55654a5/bin/utaipan-verify-t7M7D8N6sZ/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)] Ended with exit code 0 [2023-11-19 05:00:22,291 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_696f5eb5-1c7f-4274-af6d-394ad55654a5/bin/utaipan-verify-t7M7D8N6sZ/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 [2023-11-19 05:00:22,292 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 05:00:22,292 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:00:22,292 INFO L85 PathProgramCache]: Analyzing trace with hash 328325218, now seen corresponding path program 1 times [2023-11-19 05:00:22,293 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-19 05:00:22,293 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2141628892] [2023-11-19 05:00:22,293 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:00:22,294 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 [2023-11-19 05:00:22,294 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_696f5eb5-1c7f-4274-af6d-394ad55654a5/bin/utaipan-verify-t7M7D8N6sZ/mathsat [2023-11-19 05:00:22,295 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_696f5eb5-1c7f-4274-af6d-394ad55654a5/bin/utaipan-verify-t7M7D8N6sZ/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) [2023-11-19 05:00:22,305 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_696f5eb5-1c7f-4274-af6d-394ad55654a5/bin/utaipan-verify-t7M7D8N6sZ/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 (13)] Waiting until timeout for monitored process [2023-11-19 05:00:22,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:00:22,902 INFO L262 TraceCheckSpWp]: Trace formula consists of 236 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 05:00:22,905 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 05:00:22,921 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 9 [2023-11-19 05:00:22,953 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2023-11-19 05:00:22,953 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 05:00:22,953 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-19 05:00:22,954 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2141628892] [2023-11-19 05:00:22,954 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2141628892] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 05:00:22,954 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 05:00:22,954 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 05:00:22,954 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1262905622] [2023-11-19 05:00:22,955 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 05:00:22,955 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 05:00:22,955 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-19 05:00:22,956 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 05:00:22,956 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 05:00:22,956 INFO L87 Difference]: Start difference. First operand 91 states and 122 transitions. Second operand has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2023-11-19 05:00:23,240 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 05:00:23,240 INFO L93 Difference]: Finished difference Result 180 states and 242 transitions. [2023-11-19 05:00:23,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 05:00:23,241 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) Word has length 96 [2023-11-19 05:00:23,242 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 05:00:23,243 INFO L225 Difference]: With dead ends: 180 [2023-11-19 05:00:23,243 INFO L226 Difference]: Without dead ends: 92 [2023-11-19 05:00:23,243 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 94 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 05:00:23,244 INFO L413 NwaCegarLoop]: 116 mSDtfsCounter, 2 mSDsluCounter, 111 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 227 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-19 05:00:23,245 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 227 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-19 05:00:23,246 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states. [2023-11-19 05:00:23,252 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 91. [2023-11-19 05:00:23,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 91 states, 80 states have (on average 1.2875) internal successors, (103), 80 states have internal predecessors, (103), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2023-11-19 05:00:23,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 121 transitions. [2023-11-19 05:00:23,254 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 121 transitions. Word has length 96 [2023-11-19 05:00:23,254 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 05:00:23,255 INFO L495 AbstractCegarLoop]: Abstraction has 91 states and 121 transitions. [2023-11-19 05:00:23,255 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2023-11-19 05:00:23,255 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 121 transitions. [2023-11-19 05:00:23,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2023-11-19 05:00:23,257 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:00:23,257 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 05:00:23,270 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_696f5eb5-1c7f-4274-af6d-394ad55654a5/bin/utaipan-verify-t7M7D8N6sZ/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 (13)] Forceful destruction successful, exit code 0 [2023-11-19 05:00:23,470 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_696f5eb5-1c7f-4274-af6d-394ad55654a5/bin/utaipan-verify-t7M7D8N6sZ/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 [2023-11-19 05:00:23,470 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 05:00:23,471 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:00:23,471 INFO L85 PathProgramCache]: Analyzing trace with hash 751027044, now seen corresponding path program 1 times [2023-11-19 05:00:23,472 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-19 05:00:23,472 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1600580449] [2023-11-19 05:00:23,472 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:00:23,472 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 [2023-11-19 05:00:23,472 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_696f5eb5-1c7f-4274-af6d-394ad55654a5/bin/utaipan-verify-t7M7D8N6sZ/mathsat [2023-11-19 05:00:23,473 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_696f5eb5-1c7f-4274-af6d-394ad55654a5/bin/utaipan-verify-t7M7D8N6sZ/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) [2023-11-19 05:00:23,475 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_696f5eb5-1c7f-4274-af6d-394ad55654a5/bin/utaipan-verify-t7M7D8N6sZ/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 [2023-11-19 05:00:24,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:00:24,270 INFO L262 TraceCheckSpWp]: Trace formula consists of 236 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 05:00:24,274 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 05:00:24,286 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 19 [2023-11-19 05:00:24,318 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2023-11-19 05:00:24,318 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 05:00:24,318 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-19 05:00:24,318 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1600580449] [2023-11-19 05:00:24,319 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1600580449] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 05:00:24,319 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 05:00:24,319 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 05:00:24,319 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [231092307] [2023-11-19 05:00:24,320 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 05:00:24,320 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 05:00:24,320 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-19 05:00:24,321 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 05:00:24,321 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 05:00:24,322 INFO L87 Difference]: Start difference. First operand 91 states and 121 transitions. Second operand has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2023-11-19 05:00:24,363 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 05:00:24,364 INFO L93 Difference]: Finished difference Result 177 states and 236 transitions. [2023-11-19 05:00:24,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 05:00:24,365 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) Word has length 96 [2023-11-19 05:00:24,365 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 05:00:24,367 INFO L225 Difference]: With dead ends: 177 [2023-11-19 05:00:24,367 INFO L226 Difference]: Without dead ends: 89 [2023-11-19 05:00:24,368 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 94 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 05:00:24,369 INFO L413 NwaCegarLoop]: 112 mSDtfsCounter, 36 mSDsluCounter, 74 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 186 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 [2023-11-19 05:00:24,370 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [36 Valid, 186 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 05:00:24,371 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89 states. [2023-11-19 05:00:24,380 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89 to 89. [2023-11-19 05:00:24,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 89 states, 78 states have (on average 1.2692307692307692) internal successors, (99), 78 states have internal predecessors, (99), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2023-11-19 05:00:24,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 89 states and 117 transitions. [2023-11-19 05:00:24,384 INFO L78 Accepts]: Start accepts. Automaton has 89 states and 117 transitions. Word has length 96 [2023-11-19 05:00:24,384 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 05:00:24,385 INFO L495 AbstractCegarLoop]: Abstraction has 89 states and 117 transitions. [2023-11-19 05:00:24,385 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2023-11-19 05:00:24,385 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 117 transitions. [2023-11-19 05:00:24,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2023-11-19 05:00:24,388 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:00:24,389 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 05:00:24,409 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_696f5eb5-1c7f-4274-af6d-394ad55654a5/bin/utaipan-verify-t7M7D8N6sZ/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)] Forceful destruction successful, exit code 0 [2023-11-19 05:00:24,602 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_696f5eb5-1c7f-4274-af6d-394ad55654a5/bin/utaipan-verify-t7M7D8N6sZ/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 [2023-11-19 05:00:24,602 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 05:00:24,602 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:00:24,603 INFO L85 PathProgramCache]: Analyzing trace with hash -79956123, now seen corresponding path program 1 times [2023-11-19 05:00:24,603 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-19 05:00:24,603 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [882126387] [2023-11-19 05:00:24,603 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:00:24,604 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 [2023-11-19 05:00:24,604 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_696f5eb5-1c7f-4274-af6d-394ad55654a5/bin/utaipan-verify-t7M7D8N6sZ/mathsat [2023-11-19 05:00:24,606 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_696f5eb5-1c7f-4274-af6d-394ad55654a5/bin/utaipan-verify-t7M7D8N6sZ/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) [2023-11-19 05:00:24,644 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_696f5eb5-1c7f-4274-af6d-394ad55654a5/bin/utaipan-verify-t7M7D8N6sZ/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 (15)] Waiting until timeout for monitored process [2023-11-19 05:00:25,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:00:25,317 INFO L262 TraceCheckSpWp]: Trace formula consists of 251 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 05:00:25,322 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 05:00:25,335 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 9 [2023-11-19 05:00:25,364 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2023-11-19 05:00:25,364 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 05:00:25,365 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-19 05:00:25,368 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [882126387] [2023-11-19 05:00:25,368 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [882126387] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 05:00:25,369 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 05:00:25,369 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 05:00:25,369 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1360147623] [2023-11-19 05:00:25,369 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 05:00:25,370 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 05:00:25,370 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-19 05:00:25,371 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 05:00:25,372 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 05:00:25,372 INFO L87 Difference]: Start difference. First operand 89 states and 117 transitions. Second operand has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2023-11-19 05:00:25,407 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 05:00:25,407 INFO L93 Difference]: Finished difference Result 175 states and 231 transitions. [2023-11-19 05:00:25,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 05:00:25,408 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) Word has length 101 [2023-11-19 05:00:25,409 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 05:00:25,410 INFO L225 Difference]: With dead ends: 175 [2023-11-19 05:00:25,410 INFO L226 Difference]: Without dead ends: 89 [2023-11-19 05:00:25,411 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 99 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 05:00:25,411 INFO L413 NwaCegarLoop]: 111 mSDtfsCounter, 34 mSDsluCounter, 74 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 34 SdHoareTripleChecker+Valid, 185 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-19 05:00:25,412 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [34 Valid, 185 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 05:00:25,413 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89 states. [2023-11-19 05:00:25,418 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89 to 89. [2023-11-19 05:00:25,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 89 states, 78 states have (on average 1.2564102564102564) internal successors, (98), 78 states have internal predecessors, (98), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2023-11-19 05:00:25,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 89 states and 116 transitions. [2023-11-19 05:00:25,421 INFO L78 Accepts]: Start accepts. Automaton has 89 states and 116 transitions. Word has length 101 [2023-11-19 05:00:25,422 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 05:00:25,422 INFO L495 AbstractCegarLoop]: Abstraction has 89 states and 116 transitions. [2023-11-19 05:00:25,422 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2023-11-19 05:00:25,422 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 116 transitions. [2023-11-19 05:00:25,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2023-11-19 05:00:25,424 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:00:25,424 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 05:00:25,443 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_696f5eb5-1c7f-4274-af6d-394ad55654a5/bin/utaipan-verify-t7M7D8N6sZ/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 (15)] Forceful destruction successful, exit code 0 [2023-11-19 05:00:25,637 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_696f5eb5-1c7f-4274-af6d-394ad55654a5/bin/utaipan-verify-t7M7D8N6sZ/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 [2023-11-19 05:00:25,637 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 05:00:25,638 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:00:25,638 INFO L85 PathProgramCache]: Analyzing trace with hash -1768899865, now seen corresponding path program 1 times [2023-11-19 05:00:25,638 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-19 05:00:25,647 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1108846589] [2023-11-19 05:00:25,648 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:00:25,648 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 [2023-11-19 05:00:25,648 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_696f5eb5-1c7f-4274-af6d-394ad55654a5/bin/utaipan-verify-t7M7D8N6sZ/mathsat [2023-11-19 05:00:25,649 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_696f5eb5-1c7f-4274-af6d-394ad55654a5/bin/utaipan-verify-t7M7D8N6sZ/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) [2023-11-19 05:00:25,658 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_696f5eb5-1c7f-4274-af6d-394ad55654a5/bin/utaipan-verify-t7M7D8N6sZ/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 (16)] Waiting until timeout for monitored process [2023-11-19 05:00:26,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:00:26,293 INFO L262 TraceCheckSpWp]: Trace formula consists of 251 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 05:00:26,298 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 05:00:26,310 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 9 [2023-11-19 05:00:26,334 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2023-11-19 05:00:26,334 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 05:00:26,335 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-19 05:00:26,335 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1108846589] [2023-11-19 05:00:26,335 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1108846589] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 05:00:26,335 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 05:00:26,336 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 05:00:26,336 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [668766665] [2023-11-19 05:00:26,336 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 05:00:26,336 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 05:00:26,337 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-19 05:00:26,337 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 05:00:26,338 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 05:00:26,338 INFO L87 Difference]: Start difference. First operand 89 states and 116 transitions. Second operand has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2023-11-19 05:00:26,366 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 05:00:26,367 INFO L93 Difference]: Finished difference Result 195 states and 256 transitions. [2023-11-19 05:00:26,367 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 05:00:26,368 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) Word has length 101 [2023-11-19 05:00:26,368 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 05:00:26,369 INFO L225 Difference]: With dead ends: 195 [2023-11-19 05:00:26,370 INFO L226 Difference]: Without dead ends: 109 [2023-11-19 05:00:26,370 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 99 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 05:00:26,371 INFO L413 NwaCegarLoop]: 110 mSDtfsCounter, 24 mSDsluCounter, 105 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 24 SdHoareTripleChecker+Valid, 215 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-19 05:00:26,372 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [24 Valid, 215 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 05:00:26,373 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2023-11-19 05:00:26,378 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 89. [2023-11-19 05:00:26,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 89 states, 78 states have (on average 1.2435897435897436) internal successors, (97), 78 states have internal predecessors, (97), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2023-11-19 05:00:26,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 89 states and 115 transitions. [2023-11-19 05:00:26,380 INFO L78 Accepts]: Start accepts. Automaton has 89 states and 115 transitions. Word has length 101 [2023-11-19 05:00:26,380 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 05:00:26,380 INFO L495 AbstractCegarLoop]: Abstraction has 89 states and 115 transitions. [2023-11-19 05:00:26,381 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2023-11-19 05:00:26,381 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 115 transitions. [2023-11-19 05:00:26,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2023-11-19 05:00:26,382 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:00:26,383 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 05:00:26,401 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_696f5eb5-1c7f-4274-af6d-394ad55654a5/bin/utaipan-verify-t7M7D8N6sZ/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 (16)] Forceful destruction successful, exit code 0 [2023-11-19 05:00:26,595 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_696f5eb5-1c7f-4274-af6d-394ad55654a5/bin/utaipan-verify-t7M7D8N6sZ/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 [2023-11-19 05:00:26,596 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 05:00:26,596 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:00:26,596 INFO L85 PathProgramCache]: Analyzing trace with hash 1246203753, now seen corresponding path program 1 times [2023-11-19 05:00:26,597 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-19 05:00:26,597 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [125351659] [2023-11-19 05:00:26,597 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:00:26,597 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 [2023-11-19 05:00:26,597 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_696f5eb5-1c7f-4274-af6d-394ad55654a5/bin/utaipan-verify-t7M7D8N6sZ/mathsat [2023-11-19 05:00:26,598 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_696f5eb5-1c7f-4274-af6d-394ad55654a5/bin/utaipan-verify-t7M7D8N6sZ/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) [2023-11-19 05:00:26,599 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_696f5eb5-1c7f-4274-af6d-394ad55654a5/bin/utaipan-verify-t7M7D8N6sZ/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 (17)] Waiting until timeout for monitored process [2023-11-19 05:00:30,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:00:30,632 INFO L262 TraceCheckSpWp]: Trace formula consists of 251 conjuncts, 48 conjunts are in the unsatisfiable core [2023-11-19 05:00:30,640 INFO L285 TraceCheckSpWp]: Computing forward predicates...