./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-20.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a0165632 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_d10676b0-1b20-4f40-9359-57acb3199377/bin/utaipan-verify-YMUCfTKeje/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d10676b0-1b20-4f40-9359-57acb3199377/bin/utaipan-verify-YMUCfTKeje/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d10676b0-1b20-4f40-9359-57acb3199377/bin/utaipan-verify-YMUCfTKeje/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d10676b0-1b20-4f40-9359-57acb3199377/bin/utaipan-verify-YMUCfTKeje/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-20.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d10676b0-1b20-4f40-9359-57acb3199377/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d10676b0-1b20-4f40-9359-57acb3199377/bin/utaipan-verify-YMUCfTKeje --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 e4d8b25be12ac7c0f83971829851a1917a680012c727d89f67306d428382fca6 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 01:24:28,594 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 01:24:28,711 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d10676b0-1b20-4f40-9359-57acb3199377/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-32bit-Taipan_Default.epf [2024-11-09 01:24:28,718 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 01:24:28,718 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 01:24:28,745 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 01:24:28,746 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 01:24:28,747 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 01:24:28,747 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 01:24:28,748 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 01:24:28,748 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-09 01:24:28,749 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-09 01:24:28,749 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-09 01:24:28,750 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-09 01:24:28,750 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-09 01:24:28,751 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-09 01:24:28,751 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-09 01:24:28,752 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-09 01:24:28,752 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-09 01:24:28,753 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-09 01:24:28,753 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-09 01:24:28,758 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-09 01:24:28,758 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 01:24:28,759 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 01:24:28,759 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 01:24:28,759 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 01:24:28,760 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 01:24:28,760 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 01:24:28,760 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 01:24:28,761 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 01:24:28,761 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 01:24:28,766 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 01:24:28,766 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 01:24:28,766 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 01:24:28,766 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 01:24:28,767 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 01:24:28,767 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 01:24:28,767 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 01:24:28,768 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 01:24:28,768 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 01:24:28,769 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 01:24:28,770 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 01:24:28,771 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-09 01:24:28,771 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 01:24:28,771 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 01:24:28,772 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-09 01:24:28,772 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 01:24:28,772 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_d10676b0-1b20-4f40-9359-57acb3199377/bin/utaipan-verify-YMUCfTKeje/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d10676b0-1b20-4f40-9359-57acb3199377/bin/utaipan-verify-YMUCfTKeje Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e4d8b25be12ac7c0f83971829851a1917a680012c727d89f67306d428382fca6 [2024-11-09 01:24:29,092 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 01:24:29,123 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 01:24:29,126 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 01:24:29,129 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 01:24:29,130 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 01:24:29,131 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d10676b0-1b20-4f40-9359-57acb3199377/bin/utaipan-verify-YMUCfTKeje/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-20.i Unable to find full path for "g++" [2024-11-09 01:24:31,641 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 01:24:31,888 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 01:24:31,889 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d10676b0-1b20-4f40-9359-57acb3199377/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-20.i [2024-11-09 01:24:31,902 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d10676b0-1b20-4f40-9359-57acb3199377/bin/utaipan-verify-YMUCfTKeje/data/170d5bef1/f2edd96db1a6406f9b7a1399ec3dae8d/FLAG271e2ebf2 [2024-11-09 01:24:31,921 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d10676b0-1b20-4f40-9359-57acb3199377/bin/utaipan-verify-YMUCfTKeje/data/170d5bef1/f2edd96db1a6406f9b7a1399ec3dae8d [2024-11-09 01:24:31,924 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 01:24:31,926 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 01:24:31,928 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 01:24:31,929 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 01:24:31,936 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 01:24:31,938 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 01:24:31" (1/1) ... [2024-11-09 01:24:31,939 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@54d435aa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:24:31, skipping insertion in model container [2024-11-09 01:24:31,940 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 01:24:31" (1/1) ... [2024-11-09 01:24:31,980 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 01:24:32,221 WARN L250 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_d10676b0-1b20-4f40-9359-57acb3199377/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-20.i[919,932] [2024-11-09 01:24:32,333 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 01:24:32,348 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 01:24:32,365 WARN L250 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_d10676b0-1b20-4f40-9359-57acb3199377/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-20.i[919,932] [2024-11-09 01:24:32,437 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 01:24:32,471 INFO L204 MainTranslator]: Completed translation [2024-11-09 01:24:32,471 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:24:32 WrapperNode [2024-11-09 01:24:32,472 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 01:24:32,473 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 01:24:32,473 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 01:24:32,474 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 01:24:32,481 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:24:32" (1/1) ... [2024-11-09 01:24:32,494 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:24:32" (1/1) ... [2024-11-09 01:24:32,572 INFO L138 Inliner]: procedures = 26, calls = 34, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 202 [2024-11-09 01:24:32,576 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 01:24:32,577 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 01:24:32,577 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 01:24:32,578 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 01:24:32,592 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:24:32" (1/1) ... [2024-11-09 01:24:32,593 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:24:32" (1/1) ... [2024-11-09 01:24:32,602 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:24:32" (1/1) ... [2024-11-09 01:24:32,602 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:24:32" (1/1) ... [2024-11-09 01:24:32,629 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:24:32" (1/1) ... [2024-11-09 01:24:32,636 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:24:32" (1/1) ... [2024-11-09 01:24:32,643 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:24:32" (1/1) ... [2024-11-09 01:24:32,649 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:24:32" (1/1) ... [2024-11-09 01:24:32,662 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 01:24:32,663 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 01:24:32,663 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 01:24:32,663 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 01:24:32,664 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:24:32" (1/1) ... [2024-11-09 01:24:32,672 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 01:24:32,684 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d10676b0-1b20-4f40-9359-57acb3199377/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 01:24:32,699 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d10676b0-1b20-4f40-9359-57acb3199377/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-09 01:24:32,706 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d10676b0-1b20-4f40-9359-57acb3199377/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-09 01:24:32,738 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 01:24:32,739 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-09 01:24:32,739 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-09 01:24:32,741 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-09 01:24:32,741 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 01:24:32,741 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 01:24:32,913 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 01:24:32,916 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 01:24:33,591 INFO L? ?]: Removed 15 outVars from TransFormulas that were not future-live. [2024-11-09 01:24:33,592 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 01:24:34,079 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 01:24:34,080 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-09 01:24:34,081 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 01:24:34 BoogieIcfgContainer [2024-11-09 01:24:34,081 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 01:24:34,084 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 01:24:34,084 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 01:24:34,089 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 01:24:34,090 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 01:24:31" (1/3) ... [2024-11-09 01:24:34,091 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6eb5b711 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 01:24:34, skipping insertion in model container [2024-11-09 01:24:34,091 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:24:32" (2/3) ... [2024-11-09 01:24:34,093 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6eb5b711 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 01:24:34, skipping insertion in model container [2024-11-09 01:24:34,093 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 01:24:34" (3/3) ... [2024-11-09 01:24:34,095 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-ps-ci_file-20.i [2024-11-09 01:24:34,116 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 01:24:34,116 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-09 01:24:34,206 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 01:24:34,217 INFO L333 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, 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;@2d466684, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 01:24:34,218 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-09 01:24:34,222 INFO L276 IsEmpty]: Start isEmpty. Operand has 42 states, 18 states have (on average 1.1666666666666667) internal successors, (21), 19 states have internal predecessors, (21), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2024-11-09 01:24:34,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2024-11-09 01:24:34,236 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 01:24:34,237 INFO L215 NwaCegarLoop]: trace histogram [21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 01:24:34,237 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 01:24:34,243 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 01:24:34,245 INFO L85 PathProgramCache]: Analyzing trace with hash 1161781704, now seen corresponding path program 1 times [2024-11-09 01:24:34,256 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 01:24:34,257 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2142605728] [2024-11-09 01:24:34,258 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 01:24:34,259 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 01:24:34,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 01:24:34,939 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2100396687] [2024-11-09 01:24:34,939 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 01:24:34,939 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 01:24:34,940 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d10676b0-1b20-4f40-9359-57acb3199377/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 01:24:34,946 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d10676b0-1b20-4f40-9359-57acb3199377/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 01:24:34,949 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d10676b0-1b20-4f40-9359-57acb3199377/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-09 01:24:35,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 01:24:35,264 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 01:24:35,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 01:24:35,492 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2024-11-09 01:24:35,494 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-09 01:24:35,500 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-09 01:24:35,528 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d10676b0-1b20-4f40-9359-57acb3199377/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-09 01:24:35,703 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d10676b0-1b20-4f40-9359-57acb3199377/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-11-09 01:24:35,707 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-09 01:24:35,819 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-09 01:24:35,827 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.11 01:24:35 BoogieIcfgContainer [2024-11-09 01:24:35,827 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-09 01:24:35,829 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 01:24:35,829 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 01:24:35,829 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 01:24:35,830 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 01:24:34" (3/4) ... [2024-11-09 01:24:35,833 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-09 01:24:35,834 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 01:24:35,836 INFO L158 Benchmark]: Toolchain (without parser) took 3909.22ms. Allocated memory is still 184.5MB. Free memory was 147.6MB in the beginning and 122.8MB in the end (delta: 24.8MB). Peak memory consumption was 25.5MB. Max. memory is 16.1GB. [2024-11-09 01:24:35,836 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 123.7MB. Free memory is still 68.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 01:24:35,837 INFO L158 Benchmark]: CACSL2BoogieTranslator took 544.24ms. Allocated memory is still 184.5MB. Free memory was 147.0MB in the beginning and 130.2MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-09 01:24:35,837 INFO L158 Benchmark]: Boogie Procedure Inliner took 103.43ms. Allocated memory is still 184.5MB. Free memory was 130.2MB in the beginning and 125.3MB in the end (delta: 4.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-09 01:24:35,838 INFO L158 Benchmark]: Boogie Preprocessor took 84.76ms. Allocated memory is still 184.5MB. Free memory was 125.3MB in the beginning and 123.1MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 01:24:35,841 INFO L158 Benchmark]: RCFGBuilder took 1418.39ms. Allocated memory is still 184.5MB. Free memory was 123.1MB in the beginning and 118.8MB in the end (delta: 4.3MB). Peak memory consumption was 45.2MB. Max. memory is 16.1GB. [2024-11-09 01:24:35,841 INFO L158 Benchmark]: TraceAbstraction took 1744.09ms. Allocated memory is still 184.5MB. Free memory was 117.8MB in the beginning and 122.8MB in the end (delta: -5.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 01:24:35,842 INFO L158 Benchmark]: Witness Printer took 5.63ms. Allocated memory is still 184.5MB. Free memory is still 122.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 01:24:35,848 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 123.7MB. Free memory is still 68.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 544.24ms. Allocated memory is still 184.5MB. Free memory was 147.0MB in the beginning and 130.2MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 103.43ms. Allocated memory is still 184.5MB. Free memory was 130.2MB in the beginning and 125.3MB in the end (delta: 4.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 84.76ms. Allocated memory is still 184.5MB. Free memory was 125.3MB in the beginning and 123.1MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1418.39ms. Allocated memory is still 184.5MB. Free memory was 123.1MB in the beginning and 118.8MB in the end (delta: 4.3MB). Peak memory consumption was 45.2MB. Max. memory is 16.1GB. * TraceAbstraction took 1744.09ms. Allocated memory is still 184.5MB. Free memory was 117.8MB in the beginning and 122.8MB in the end (delta: -5.0MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 5.63ms. Allocated memory is still 184.5MB. Free memory is still 122.8MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 58, overapproximation of bitwiseOr at line 72, overapproximation of shiftLeft at line 115, overapproximation of someBinaryDOUBLEComparisonOperation at line 68, overapproximation of someBinaryArithmeticFLOAToperation at line 100. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned char var_1_1 = 5; [L23] unsigned char var_1_2 = 0; [L24] unsigned char var_1_3 = 128; [L25] unsigned char var_1_4 = 2; [L26] unsigned char var_1_5 = 2; [L27] unsigned char var_1_6 = 32; [L28] unsigned short int var_1_8 = 100; [L29] float var_1_9 = 255.75; [L30] signed char var_1_10 = 64; [L31] signed char var_1_11 = 32; [L32] signed char var_1_12 = 4; [L33] float var_1_13 = 0.0; [L34] float var_1_14 = 7.25; [L35] float var_1_15 = 8.125; [L36] float var_1_16 = 24.5; [L37] signed short int var_1_17 = -256; [L38] double var_1_18 = 31.5; [L39] float var_1_19 = 255.2; [L40] signed long int var_1_21 = -8; [L41] double var_1_22 = 0.5; [L42] unsigned short int var_1_23 = 200; [L43] double var_1_26 = 1.8; [L44] unsigned short int var_1_29 = 8; [L45] unsigned char var_1_37 = 1; [L46] unsigned char var_1_39 = 0; [L47] unsigned char var_1_40 = 0; [L48] unsigned long int var_1_41 = 10; [L49] unsigned char last_1_var_1_6 = 32; [L50] unsigned short int last_1_var_1_8 = 100; [L172] isInitial = 1 [L173] FCALL initially() [L174] COND TRUE 1 [L175] CALL updateLastVariables() [L164] last_1_var_1_6 = var_1_6 [L165] last_1_var_1_8 = var_1_8 [L175] RET updateLastVariables() [L176] CALL updateVariables() [L129] var_1_2 = __VERIFIER_nondet_uchar() [L130] CALL assume_abort_if_not(var_1_2 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=64, var_1_11=32, var_1_12=4, var_1_13=0, var_1_14=29/4, var_1_15=65/8, var_1_16=49/2, var_1_17=-256, var_1_18=63/2, var_1_19=1276/5, var_1_1=5, var_1_21=-8, var_1_22=1/2, var_1_23=200, var_1_26=9/5, var_1_29=8, var_1_37=1, var_1_39=0, var_1_3=128, var_1_40=0, var_1_41=10, var_1_4=2, var_1_5=2, var_1_6=32, var_1_8=100, var_1_9=1023/4] [L20] COND FALSE !(!cond) [L130] RET assume_abort_if_not(var_1_2 >= 0) VAL [isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=64, var_1_11=32, var_1_12=4, var_1_13=0, var_1_14=29/4, var_1_15=65/8, var_1_16=49/2, var_1_17=-256, var_1_18=63/2, var_1_19=1276/5, var_1_1=5, var_1_21=-8, var_1_22=1/2, var_1_23=200, var_1_26=9/5, var_1_29=8, var_1_37=1, var_1_39=0, var_1_3=128, var_1_40=0, var_1_41=10, var_1_4=2, var_1_5=2, var_1_6=32, var_1_8=100, var_1_9=1023/4] [L131] CALL assume_abort_if_not(var_1_2 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=64, var_1_11=32, var_1_12=4, var_1_13=0, var_1_14=29/4, var_1_15=65/8, var_1_16=49/2, var_1_17=-256, var_1_18=63/2, var_1_19=1276/5, var_1_1=5, var_1_21=-8, var_1_22=1/2, var_1_23=200, var_1_26=9/5, var_1_29=8, var_1_2=0, var_1_37=1, var_1_39=0, var_1_3=128, var_1_40=0, var_1_41=10, var_1_4=2, var_1_5=2, var_1_6=32, var_1_8=100, var_1_9=1023/4] [L20] COND FALSE !(!cond) [L131] RET assume_abort_if_not(var_1_2 <= 1) VAL [isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=64, var_1_11=32, var_1_12=4, var_1_13=0, var_1_14=29/4, var_1_15=65/8, var_1_16=49/2, var_1_17=-256, var_1_18=63/2, var_1_19=1276/5, var_1_1=5, var_1_21=-8, var_1_22=1/2, var_1_23=200, var_1_26=9/5, var_1_29=8, var_1_2=0, var_1_37=1, var_1_39=0, var_1_3=128, var_1_40=0, var_1_41=10, var_1_4=2, var_1_5=2, var_1_6=32, var_1_8=100, var_1_9=1023/4] [L132] var_1_3 = __VERIFIER_nondet_uchar() [L133] CALL assume_abort_if_not(var_1_3 >= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=64, var_1_11=32, var_1_12=4, var_1_13=0, var_1_14=29/4, var_1_15=65/8, var_1_16=49/2, var_1_17=-256, var_1_18=63/2, var_1_19=1276/5, var_1_1=5, var_1_21=-8, var_1_22=1/2, var_1_23=200, var_1_26=9/5, var_1_29=8, var_1_2=0, var_1_37=1, var_1_39=0, var_1_3=-129, var_1_40=0, var_1_41=10, var_1_4=2, var_1_5=2, var_1_6=32, var_1_8=100, var_1_9=1023/4] [L20] COND FALSE !(!cond) [L133] RET assume_abort_if_not(var_1_3 >= 127) VAL [isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=64, var_1_11=32, var_1_12=4, var_1_13=0, var_1_14=29/4, var_1_15=65/8, var_1_16=49/2, var_1_17=-256, var_1_18=63/2, var_1_19=1276/5, var_1_1=5, var_1_21=-8, var_1_22=1/2, var_1_23=200, var_1_26=9/5, var_1_29=8, var_1_2=0, var_1_37=1, var_1_39=0, var_1_3=-129, var_1_40=0, var_1_41=10, var_1_4=2, var_1_5=2, var_1_6=32, var_1_8=100, var_1_9=1023/4] [L134] CALL assume_abort_if_not(var_1_3 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=64, var_1_11=32, var_1_12=4, var_1_13=0, var_1_14=29/4, var_1_15=65/8, var_1_16=49/2, var_1_17=-256, var_1_18=63/2, var_1_19=1276/5, var_1_1=5, var_1_21=-8, var_1_22=1/2, var_1_23=200, var_1_26=9/5, var_1_29=8, var_1_2=0, var_1_37=1, var_1_39=0, var_1_3=-129, var_1_40=0, var_1_41=10, var_1_4=2, var_1_5=2, var_1_6=32, var_1_8=100, var_1_9=1023/4] [L20] COND FALSE !(!cond) [L134] RET assume_abort_if_not(var_1_3 <= 254) VAL [isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=64, var_1_11=32, var_1_12=4, var_1_13=0, var_1_14=29/4, var_1_15=65/8, var_1_16=49/2, var_1_17=-256, var_1_18=63/2, var_1_19=1276/5, var_1_1=5, var_1_21=-8, var_1_22=1/2, var_1_23=200, var_1_26=9/5, var_1_29=8, var_1_2=0, var_1_37=1, var_1_39=0, var_1_3=-129, var_1_40=0, var_1_41=10, var_1_4=2, var_1_5=2, var_1_6=32, var_1_8=100, var_1_9=1023/4] [L135] var_1_4 = __VERIFIER_nondet_uchar() [L136] CALL assume_abort_if_not(var_1_4 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=64, var_1_11=32, var_1_12=4, var_1_13=0, var_1_14=29/4, var_1_15=65/8, var_1_16=49/2, var_1_17=-256, var_1_18=63/2, var_1_19=1276/5, var_1_1=5, var_1_21=-8, var_1_22=1/2, var_1_23=200, var_1_26=9/5, var_1_29=8, var_1_2=0, var_1_37=1, var_1_39=0, var_1_3=-129, var_1_40=0, var_1_41=10, var_1_5=2, var_1_6=32, var_1_8=100, var_1_9=1023/4] [L20] COND FALSE !(!cond) [L136] RET assume_abort_if_not(var_1_4 >= 0) VAL [isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=64, var_1_11=32, var_1_12=4, var_1_13=0, var_1_14=29/4, var_1_15=65/8, var_1_16=49/2, var_1_17=-256, var_1_18=63/2, var_1_19=1276/5, var_1_1=5, var_1_21=-8, var_1_22=1/2, var_1_23=200, var_1_26=9/5, var_1_29=8, var_1_2=0, var_1_37=1, var_1_39=0, var_1_3=-129, var_1_40=0, var_1_41=10, var_1_5=2, var_1_6=32, var_1_8=100, var_1_9=1023/4] [L137] CALL assume_abort_if_not(var_1_4 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=64, var_1_11=32, var_1_12=4, var_1_13=0, var_1_14=29/4, var_1_15=65/8, var_1_16=49/2, var_1_17=-256, var_1_18=63/2, var_1_19=1276/5, var_1_1=5, var_1_21=-8, var_1_22=1/2, var_1_23=200, var_1_26=9/5, var_1_29=8, var_1_2=0, var_1_37=1, var_1_39=0, var_1_3=-129, var_1_40=0, var_1_41=10, var_1_4=-511, var_1_5=2, var_1_6=32, var_1_8=100, var_1_9=1023/4] [L20] COND FALSE !(!cond) [L137] RET assume_abort_if_not(var_1_4 <= 127) VAL [isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=64, var_1_11=32, var_1_12=4, var_1_13=0, var_1_14=29/4, var_1_15=65/8, var_1_16=49/2, var_1_17=-256, var_1_18=63/2, var_1_19=1276/5, var_1_1=5, var_1_21=-8, var_1_22=1/2, var_1_23=200, var_1_26=9/5, var_1_29=8, var_1_2=0, var_1_37=1, var_1_39=0, var_1_3=-129, var_1_40=0, var_1_41=10, var_1_4=-511, var_1_5=2, var_1_6=32, var_1_8=100, var_1_9=1023/4] [L138] var_1_5 = __VERIFIER_nondet_uchar() [L139] CALL assume_abort_if_not(var_1_5 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=64, var_1_11=32, var_1_12=4, var_1_13=0, var_1_14=29/4, var_1_15=65/8, var_1_16=49/2, var_1_17=-256, var_1_18=63/2, var_1_19=1276/5, var_1_1=5, var_1_21=-8, var_1_22=1/2, var_1_23=200, var_1_26=9/5, var_1_29=8, var_1_2=0, var_1_37=1, var_1_39=0, var_1_3=-129, var_1_40=0, var_1_41=10, var_1_4=-511, var_1_6=32, var_1_8=100, var_1_9=1023/4] [L20] COND FALSE !(!cond) [L139] RET assume_abort_if_not(var_1_5 >= 0) VAL [isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=64, var_1_11=32, var_1_12=4, var_1_13=0, var_1_14=29/4, var_1_15=65/8, var_1_16=49/2, var_1_17=-256, var_1_18=63/2, var_1_19=1276/5, var_1_1=5, var_1_21=-8, var_1_22=1/2, var_1_23=200, var_1_26=9/5, var_1_29=8, var_1_2=0, var_1_37=1, var_1_39=0, var_1_3=-129, var_1_40=0, var_1_41=10, var_1_4=-511, var_1_6=32, var_1_8=100, var_1_9=1023/4] [L140] CALL assume_abort_if_not(var_1_5 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=64, var_1_11=32, var_1_12=4, var_1_13=0, var_1_14=29/4, var_1_15=65/8, var_1_16=49/2, var_1_17=-256, var_1_18=63/2, var_1_19=1276/5, var_1_1=5, var_1_21=-8, var_1_22=1/2, var_1_23=200, var_1_26=9/5, var_1_29=8, var_1_2=0, var_1_37=1, var_1_39=0, var_1_3=-129, var_1_40=0, var_1_41=10, var_1_4=-511, var_1_5=48, var_1_6=32, var_1_8=100, var_1_9=1023/4] [L20] COND FALSE !(!cond) [L140] RET assume_abort_if_not(var_1_5 <= 127) VAL [isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=64, var_1_11=32, var_1_12=4, var_1_13=0, var_1_14=29/4, var_1_15=65/8, var_1_16=49/2, var_1_17=-256, var_1_18=63/2, var_1_19=1276/5, var_1_1=5, var_1_21=-8, var_1_22=1/2, var_1_23=200, var_1_26=9/5, var_1_29=8, var_1_2=0, var_1_37=1, var_1_39=0, var_1_3=-129, var_1_40=0, var_1_41=10, var_1_4=-511, var_1_5=48, var_1_6=32, var_1_8=100, var_1_9=1023/4] [L141] var_1_10 = __VERIFIER_nondet_char() [L142] CALL assume_abort_if_not(var_1_10 >= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=127, var_1_11=32, var_1_12=4, var_1_13=0, var_1_14=29/4, var_1_15=65/8, var_1_16=49/2, var_1_17=-256, var_1_18=63/2, var_1_19=1276/5, var_1_1=5, var_1_21=-8, var_1_22=1/2, var_1_23=200, var_1_26=9/5, var_1_29=8, var_1_2=0, var_1_37=1, var_1_39=0, var_1_3=-129, var_1_40=0, var_1_41=10, var_1_4=-511, var_1_5=48, var_1_6=32, var_1_8=100, var_1_9=1023/4] [L20] COND FALSE !(!cond) [L142] RET assume_abort_if_not(var_1_10 >= 63) VAL [isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=127, var_1_11=32, var_1_12=4, var_1_13=0, var_1_14=29/4, var_1_15=65/8, var_1_16=49/2, var_1_17=-256, var_1_18=63/2, var_1_19=1276/5, var_1_1=5, var_1_21=-8, var_1_22=1/2, var_1_23=200, var_1_26=9/5, var_1_29=8, var_1_2=0, var_1_37=1, var_1_39=0, var_1_3=-129, var_1_40=0, var_1_41=10, var_1_4=-511, var_1_5=48, var_1_6=32, var_1_8=100, var_1_9=1023/4] [L143] CALL assume_abort_if_not(var_1_10 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=127, var_1_11=32, var_1_12=4, var_1_13=0, var_1_14=29/4, var_1_15=65/8, var_1_16=49/2, var_1_17=-256, var_1_18=63/2, var_1_19=1276/5, var_1_1=5, var_1_21=-8, var_1_22=1/2, var_1_23=200, var_1_26=9/5, var_1_29=8, var_1_2=0, var_1_37=1, var_1_39=0, var_1_3=-129, var_1_40=0, var_1_41=10, var_1_4=-511, var_1_5=48, var_1_6=32, var_1_8=100, var_1_9=1023/4] [L20] COND FALSE !(!cond) [L143] RET assume_abort_if_not(var_1_10 <= 127) VAL [isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=127, var_1_11=32, var_1_12=4, var_1_13=0, var_1_14=29/4, var_1_15=65/8, var_1_16=49/2, var_1_17=-256, var_1_18=63/2, var_1_19=1276/5, var_1_1=5, var_1_21=-8, var_1_22=1/2, var_1_23=200, var_1_26=9/5, var_1_29=8, var_1_2=0, var_1_37=1, var_1_39=0, var_1_3=-129, var_1_40=0, var_1_41=10, var_1_4=-511, var_1_5=48, var_1_6=32, var_1_8=100, var_1_9=1023/4] [L144] var_1_11 = __VERIFIER_nondet_char() [L145] CALL assume_abort_if_not(var_1_11 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=127, var_1_11=0, var_1_12=4, var_1_13=0, var_1_14=29/4, var_1_15=65/8, var_1_16=49/2, var_1_17=-256, var_1_18=63/2, var_1_19=1276/5, var_1_1=5, var_1_21=-8, var_1_22=1/2, var_1_23=200, var_1_26=9/5, var_1_29=8, var_1_2=0, var_1_37=1, var_1_39=0, var_1_3=-129, var_1_40=0, var_1_41=10, var_1_4=-511, var_1_5=48, var_1_6=32, var_1_8=100, var_1_9=1023/4] [L20] COND FALSE !(!cond) [L145] RET assume_abort_if_not(var_1_11 >= 0) VAL [isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=127, var_1_11=0, var_1_12=4, var_1_13=0, var_1_14=29/4, var_1_15=65/8, var_1_16=49/2, var_1_17=-256, var_1_18=63/2, var_1_19=1276/5, var_1_1=5, var_1_21=-8, var_1_22=1/2, var_1_23=200, var_1_26=9/5, var_1_29=8, var_1_2=0, var_1_37=1, var_1_39=0, var_1_3=-129, var_1_40=0, var_1_41=10, var_1_4=-511, var_1_5=48, var_1_6=32, var_1_8=100, var_1_9=1023/4] [L146] CALL assume_abort_if_not(var_1_11 <= 64) VAL [\old(cond)=1, isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=127, var_1_11=0, var_1_12=4, var_1_13=0, var_1_14=29/4, var_1_15=65/8, var_1_16=49/2, var_1_17=-256, var_1_18=63/2, var_1_19=1276/5, var_1_1=5, var_1_21=-8, var_1_22=1/2, var_1_23=200, var_1_26=9/5, var_1_29=8, var_1_2=0, var_1_37=1, var_1_39=0, var_1_3=-129, var_1_40=0, var_1_41=10, var_1_4=-511, var_1_5=48, var_1_6=32, var_1_8=100, var_1_9=1023/4] [L20] COND FALSE !(!cond) [L146] RET assume_abort_if_not(var_1_11 <= 64) VAL [isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=127, var_1_11=0, var_1_12=4, var_1_13=0, var_1_14=29/4, var_1_15=65/8, var_1_16=49/2, var_1_17=-256, var_1_18=63/2, var_1_19=1276/5, var_1_1=5, var_1_21=-8, var_1_22=1/2, var_1_23=200, var_1_26=9/5, var_1_29=8, var_1_2=0, var_1_37=1, var_1_39=0, var_1_3=-129, var_1_40=0, var_1_41=10, var_1_4=-511, var_1_5=48, var_1_6=32, var_1_8=100, var_1_9=1023/4] [L147] var_1_12 = __VERIFIER_nondet_char() [L148] CALL assume_abort_if_not(var_1_12 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=127, var_1_11=0, var_1_12=63, var_1_13=0, var_1_14=29/4, var_1_15=65/8, var_1_16=49/2, var_1_17=-256, var_1_18=63/2, var_1_19=1276/5, var_1_1=5, var_1_21=-8, var_1_22=1/2, var_1_23=200, var_1_26=9/5, var_1_29=8, var_1_2=0, var_1_37=1, var_1_39=0, var_1_3=-129, var_1_40=0, var_1_41=10, var_1_4=-511, var_1_5=48, var_1_6=32, var_1_8=100, var_1_9=1023/4] [L20] COND FALSE !(!cond) [L148] RET assume_abort_if_not(var_1_12 >= 0) VAL [isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=127, var_1_11=0, var_1_12=63, var_1_13=0, var_1_14=29/4, var_1_15=65/8, var_1_16=49/2, var_1_17=-256, var_1_18=63/2, var_1_19=1276/5, var_1_1=5, var_1_21=-8, var_1_22=1/2, var_1_23=200, var_1_26=9/5, var_1_29=8, var_1_2=0, var_1_37=1, var_1_39=0, var_1_3=-129, var_1_40=0, var_1_41=10, var_1_4=-511, var_1_5=48, var_1_6=32, var_1_8=100, var_1_9=1023/4] [L149] CALL assume_abort_if_not(var_1_12 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=127, var_1_11=0, var_1_12=63, var_1_13=0, var_1_14=29/4, var_1_15=65/8, var_1_16=49/2, var_1_17=-256, var_1_18=63/2, var_1_19=1276/5, var_1_1=5, var_1_21=-8, var_1_22=1/2, var_1_23=200, var_1_26=9/5, var_1_29=8, var_1_2=0, var_1_37=1, var_1_39=0, var_1_3=-129, var_1_40=0, var_1_41=10, var_1_4=-511, var_1_5=48, var_1_6=32, var_1_8=100, var_1_9=1023/4] [L20] COND FALSE !(!cond) [L149] RET assume_abort_if_not(var_1_12 <= 63) VAL [isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=127, var_1_11=0, var_1_12=63, var_1_13=0, var_1_14=29/4, var_1_15=65/8, var_1_16=49/2, var_1_17=-256, var_1_18=63/2, var_1_19=1276/5, var_1_1=5, var_1_21=-8, var_1_22=1/2, var_1_23=200, var_1_26=9/5, var_1_29=8, var_1_2=0, var_1_37=1, var_1_39=0, var_1_3=-129, var_1_40=0, var_1_41=10, var_1_4=-511, var_1_5=48, var_1_6=32, var_1_8=100, var_1_9=1023/4] [L150] var_1_13 = __VERIFIER_nondet_float() [L151] CALL assume_abort_if_not((var_1_13 >= 4611686.018427382800e+12F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 9223372.036854765600e+12F && var_1_13 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=127, var_1_11=0, var_1_12=63, var_1_14=29/4, var_1_15=65/8, var_1_16=49/2, var_1_17=-256, var_1_18=63/2, var_1_19=1276/5, var_1_1=5, var_1_21=-8, var_1_22=1/2, var_1_23=200, var_1_26=9/5, var_1_29=8, var_1_2=0, var_1_37=1, var_1_39=0, var_1_3=-129, var_1_40=0, var_1_41=10, var_1_4=-511, var_1_5=48, var_1_6=32, var_1_8=100, var_1_9=1023/4] [L20] COND FALSE !(!cond) [L151] RET assume_abort_if_not((var_1_13 >= 4611686.018427382800e+12F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 9223372.036854765600e+12F && var_1_13 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=127, var_1_11=0, var_1_12=63, var_1_14=29/4, var_1_15=65/8, var_1_16=49/2, var_1_17=-256, var_1_18=63/2, var_1_19=1276/5, var_1_1=5, var_1_21=-8, var_1_22=1/2, var_1_23=200, var_1_26=9/5, var_1_29=8, var_1_2=0, var_1_37=1, var_1_39=0, var_1_3=-129, var_1_40=0, var_1_41=10, var_1_4=-511, var_1_5=48, var_1_6=32, var_1_8=100, var_1_9=1023/4] [L152] var_1_14 = __VERIFIER_nondet_float() [L153] CALL assume_abort_if_not((var_1_14 >= 0.0F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 4611686.018427382800e+12F && var_1_14 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=127, var_1_11=0, var_1_12=63, var_1_15=65/8, var_1_16=49/2, var_1_17=-256, var_1_18=63/2, var_1_19=1276/5, var_1_1=5, var_1_21=-8, var_1_22=1/2, var_1_23=200, var_1_26=9/5, var_1_29=8, var_1_2=0, var_1_37=1, var_1_39=0, var_1_3=-129, var_1_40=0, var_1_41=10, var_1_4=-511, var_1_5=48, var_1_6=32, var_1_8=100, var_1_9=1023/4] [L20] COND FALSE !(!cond) [L153] RET assume_abort_if_not((var_1_14 >= 0.0F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 4611686.018427382800e+12F && var_1_14 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=127, var_1_11=0, var_1_12=63, var_1_15=65/8, var_1_16=49/2, var_1_17=-256, var_1_18=63/2, var_1_19=1276/5, var_1_1=5, var_1_21=-8, var_1_22=1/2, var_1_23=200, var_1_26=9/5, var_1_29=8, var_1_2=0, var_1_37=1, var_1_39=0, var_1_3=-129, var_1_40=0, var_1_41=10, var_1_4=-511, var_1_5=48, var_1_6=32, var_1_8=100, var_1_9=1023/4] [L154] var_1_16 = __VERIFIER_nondet_float() [L155] CALL assume_abort_if_not((var_1_16 >= -461168.6018427382800e+13F && var_1_16 <= -1.0e-20F) || (var_1_16 <= 4611686.018427382800e+12F && var_1_16 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=127, var_1_11=0, var_1_12=63, var_1_15=65/8, var_1_17=-256, var_1_18=63/2, var_1_19=1276/5, var_1_1=5, var_1_21=-8, var_1_22=1/2, var_1_23=200, var_1_26=9/5, var_1_29=8, var_1_2=0, var_1_37=1, var_1_39=0, var_1_3=-129, var_1_40=0, var_1_41=10, var_1_4=-511, var_1_5=48, var_1_6=32, var_1_8=100, var_1_9=1023/4] [L20] COND FALSE !(!cond) [L155] RET assume_abort_if_not((var_1_16 >= -461168.6018427382800e+13F && var_1_16 <= -1.0e-20F) || (var_1_16 <= 4611686.018427382800e+12F && var_1_16 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=127, var_1_11=0, var_1_12=63, var_1_15=65/8, var_1_17=-256, var_1_18=63/2, var_1_19=1276/5, var_1_1=5, var_1_21=-8, var_1_22=1/2, var_1_23=200, var_1_26=9/5, var_1_29=8, var_1_2=0, var_1_37=1, var_1_39=0, var_1_3=-129, var_1_40=0, var_1_41=10, var_1_4=-511, var_1_5=48, var_1_6=32, var_1_8=100, var_1_9=1023/4] [L156] var_1_39 = __VERIFIER_nondet_uchar() [L157] CALL assume_abort_if_not(var_1_39 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=127, var_1_11=0, var_1_12=63, var_1_15=65/8, var_1_17=-256, var_1_18=63/2, var_1_19=1276/5, var_1_1=5, var_1_21=-8, var_1_22=1/2, var_1_23=200, var_1_26=9/5, var_1_29=8, var_1_2=0, var_1_37=1, var_1_3=-129, var_1_40=0, var_1_41=10, var_1_4=-511, var_1_5=48, var_1_6=32, var_1_8=100, var_1_9=1023/4] [L20] COND FALSE !(!cond) [L157] RET assume_abort_if_not(var_1_39 >= 0) VAL [isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=127, var_1_11=0, var_1_12=63, var_1_15=65/8, var_1_17=-256, var_1_18=63/2, var_1_19=1276/5, var_1_1=5, var_1_21=-8, var_1_22=1/2, var_1_23=200, var_1_26=9/5, var_1_29=8, var_1_2=0, var_1_37=1, var_1_3=-129, var_1_40=0, var_1_41=10, var_1_4=-511, var_1_5=48, var_1_6=32, var_1_8=100, var_1_9=1023/4] [L158] CALL assume_abort_if_not(var_1_39 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=127, var_1_11=0, var_1_12=63, var_1_15=65/8, var_1_17=-256, var_1_18=63/2, var_1_19=1276/5, var_1_1=5, var_1_21=-8, var_1_22=1/2, var_1_23=200, var_1_26=9/5, var_1_29=8, var_1_2=0, var_1_37=1, var_1_39=0, var_1_3=-129, var_1_40=0, var_1_41=10, var_1_4=-511, var_1_5=48, var_1_6=32, var_1_8=100, var_1_9=1023/4] [L20] COND FALSE !(!cond) [L158] RET assume_abort_if_not(var_1_39 <= 0) VAL [isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=127, var_1_11=0, var_1_12=63, var_1_15=65/8, var_1_17=-256, var_1_18=63/2, var_1_19=1276/5, var_1_1=5, var_1_21=-8, var_1_22=1/2, var_1_23=200, var_1_26=9/5, var_1_29=8, var_1_2=0, var_1_37=1, var_1_39=0, var_1_3=-129, var_1_40=0, var_1_41=10, var_1_4=-511, var_1_5=48, var_1_6=32, var_1_8=100, var_1_9=1023/4] [L159] var_1_40 = __VERIFIER_nondet_uchar() [L160] CALL assume_abort_if_not(var_1_40 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=127, var_1_11=0, var_1_12=63, var_1_15=65/8, var_1_17=-256, var_1_18=63/2, var_1_19=1276/5, var_1_1=5, var_1_21=-8, var_1_22=1/2, var_1_23=200, var_1_26=9/5, var_1_29=8, var_1_2=0, var_1_37=1, var_1_39=0, var_1_3=-129, var_1_41=10, var_1_4=-511, var_1_5=48, var_1_6=32, var_1_8=100, var_1_9=1023/4] [L20] COND FALSE !(!cond) [L160] RET assume_abort_if_not(var_1_40 >= 0) VAL [isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=127, var_1_11=0, var_1_12=63, var_1_15=65/8, var_1_17=-256, var_1_18=63/2, var_1_19=1276/5, var_1_1=5, var_1_21=-8, var_1_22=1/2, var_1_23=200, var_1_26=9/5, var_1_29=8, var_1_2=0, var_1_37=1, var_1_39=0, var_1_3=-129, var_1_41=10, var_1_4=-511, var_1_5=48, var_1_6=32, var_1_8=100, var_1_9=1023/4] [L161] CALL assume_abort_if_not(var_1_40 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=127, var_1_11=0, var_1_12=63, var_1_15=65/8, var_1_17=-256, var_1_18=63/2, var_1_19=1276/5, var_1_1=5, var_1_21=-8, var_1_22=1/2, var_1_23=200, var_1_26=9/5, var_1_29=8, var_1_2=0, var_1_37=1, var_1_39=0, var_1_3=-129, var_1_40=0, var_1_41=10, var_1_4=-511, var_1_5=48, var_1_6=32, var_1_8=100, var_1_9=1023/4] [L20] COND FALSE !(!cond) [L161] RET assume_abort_if_not(var_1_40 <= 0) VAL [isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=127, var_1_11=0, var_1_12=63, var_1_15=65/8, var_1_17=-256, var_1_18=63/2, var_1_19=1276/5, var_1_1=5, var_1_21=-8, var_1_22=1/2, var_1_23=200, var_1_26=9/5, var_1_29=8, var_1_2=0, var_1_37=1, var_1_39=0, var_1_3=-129, var_1_40=0, var_1_41=10, var_1_4=-511, var_1_5=48, var_1_6=32, var_1_8=100, var_1_9=1023/4] [L176] RET updateVariables() [L177] CALL step() [L54] var_1_19 = var_1_16 [L55] var_1_21 = -16 [L56] var_1_22 = var_1_13 [L57] COND FALSE !(\read(var_1_2)) [L64] COND FALSE !(var_1_5 > var_1_5) [L67] COND FALSE !((var_1_2 || var_1_2) || ((- var_1_16) <= var_1_14)) [L71] COND TRUE var_1_2 || (var_1_16 <= var_1_16) [L72] EXPR var_1_12 | (var_1_3 * var_1_5) [L72] COND FALSE !((var_1_12 | (var_1_3 * var_1_5)) == ((((var_1_1) < (-32)) ? (var_1_1) : (-32)))) [L75] var_1_29 = (((((((var_1_3) < (((((var_1_11) < 0 ) ? -(var_1_11) : (var_1_11))))) ? (var_1_3) : (((((var_1_11) < 0 ) ? -(var_1_11) : (var_1_11)))))) < 0 ) ? -((((var_1_3) < (((((var_1_11) < 0 ) ? -(var_1_11) : (var_1_11))))) ? (var_1_3) : (((((var_1_11) < 0 ) ? -(var_1_11) : (var_1_11)))))) : ((((var_1_3) < (((((var_1_11) < 0 ) ? -(var_1_11) : (var_1_11))))) ? (var_1_3) : (((((var_1_11) < 0 ) ? -(var_1_11) : (var_1_11)))))))) [L80] COND TRUE var_1_2 || (var_1_17 <= (var_1_5 / var_1_3)) [L81] var_1_37 = (var_1_39 || var_1_40) [L83] COND FALSE !((var_1_4 + ((((var_1_10) < (var_1_3)) ? (var_1_10) : (var_1_3)))) <= var_1_4) [L88] signed long int stepLocal_0 = 64 + (var_1_5 / var_1_3); [L89] COND TRUE stepLocal_0 != (last_1_var_1_8 - (var_1_4 + last_1_var_1_6)) [L90] var_1_6 = var_1_4 [L94] COND FALSE !(\read(var_1_2)) [L97] var_1_1 = (var_1_4 + var_1_5) [L99] COND FALSE !(((var_1_10 - var_1_11) - (16 + var_1_12)) != var_1_5) [L102] var_1_9 = var_1_13 [L104] var_1_15 = (var_1_14 + var_1_16) [L105] COND FALSE !(\read(var_1_2)) [L108] COND FALSE !(var_1_14 == (((((99.8f) < (var_1_16)) ? (99.8f) : (var_1_16))) / ((((255.6f) > (var_1_13)) ? (255.6f) : (var_1_13))))) [L111] var_1_17 = (var_1_5 - var_1_3) [L114] COND FALSE !((var_1_2 || (var_1_16 > var_1_13)) && (var_1_3 < var_1_1)) [L119] var_1_18 = var_1_16 [L121] signed long int stepLocal_1 = var_1_3 - var_1_5; [L122] COND FALSE !((var_1_17 + var_1_6) >= stepLocal_1) [L125] var_1_8 = var_1_6 [L177] RET step() [L178] CALL, EXPR property() [L168] EXPR ((((((var_1_2 ? (var_1_1 == ((unsigned char) (var_1_3 - var_1_4))) : (var_1_1 == ((unsigned char) (var_1_4 + var_1_5)))) && (((64 + (var_1_5 / var_1_3)) != (last_1_var_1_8 - (var_1_4 + last_1_var_1_6))) ? (var_1_6 == ((unsigned char) var_1_4)) : (var_1_6 == ((unsigned char) 128)))) && (((var_1_17 + var_1_6) >= (var_1_3 - var_1_5)) ? (var_1_8 == ((unsigned short int) ((((var_1_6) > (var_1_3)) ? (var_1_6) : (var_1_3))))) : (var_1_8 == ((unsigned short int) var_1_6)))) && ((((var_1_10 - var_1_11) - (16 + var_1_12)) != var_1_5) ? (var_1_9 == ((float) (64.8f - (var_1_13 - var_1_14)))) : (var_1_9 == ((float) var_1_13)))) && (var_1_15 == ((float) (var_1_14 + var_1_16)))) && (var_1_2 ? (var_1_17 == ((signed short int) (var_1_3 + var_1_12))) : ((var_1_14 == (((((99.8f) < (var_1_16)) ? (99.8f) : (var_1_16))) / ((((255.6f) > (var_1_13)) ? (255.6f) : (var_1_13))))) ? (var_1_17 == ((signed short int) var_1_4)) : (var_1_17 == ((signed short int) (var_1_5 - var_1_3)))))) && (((var_1_2 || (var_1_16 > var_1_13)) && (var_1_3 < var_1_1)) ? (((var_1_11 << var_1_12) > var_1_5) ? (var_1_18 == ((double) var_1_13)) : 1) : (var_1_18 == ((double) var_1_16))) [L168-L169] return ((((((var_1_2 ? (var_1_1 == ((unsigned char) (var_1_3 - var_1_4))) : (var_1_1 == ((unsigned char) (var_1_4 + var_1_5)))) && (((64 + (var_1_5 / var_1_3)) != (last_1_var_1_8 - (var_1_4 + last_1_var_1_6))) ? (var_1_6 == ((unsigned char) var_1_4)) : (var_1_6 == ((unsigned char) 128)))) && (((var_1_17 + var_1_6) >= (var_1_3 - var_1_5)) ? (var_1_8 == ((unsigned short int) ((((var_1_6) > (var_1_3)) ? (var_1_6) : (var_1_3))))) : (var_1_8 == ((unsigned short int) var_1_6)))) && ((((var_1_10 - var_1_11) - (16 + var_1_12)) != var_1_5) ? (var_1_9 == ((float) (64.8f - (var_1_13 - var_1_14)))) : (var_1_9 == ((float) var_1_13)))) && (var_1_15 == ((float) (var_1_14 + var_1_16)))) && (var_1_2 ? (var_1_17 == ((signed short int) (var_1_3 + var_1_12))) : ((var_1_14 == (((((99.8f) < (var_1_16)) ? (99.8f) : (var_1_16))) / ((((255.6f) > (var_1_13)) ? (255.6f) : (var_1_13))))) ? (var_1_17 == ((signed short int) var_1_4)) : (var_1_17 == ((signed short int) (var_1_5 - var_1_3)))))) && (((var_1_2 || (var_1_16 > var_1_13)) && (var_1_3 < var_1_1)) ? (((var_1_11 << var_1_12) > var_1_5) ? (var_1_18 == ((double) var_1_13)) : 1) : (var_1_18 == ((double) var_1_16))) ; [L178] RET, EXPR property() [L178] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=127, var_1_11=0, var_1_12=63, var_1_13=2, var_1_16=9/5, var_1_17=-79, var_1_18=9/5, var_1_19=9/5, var_1_1=49, var_1_21=-16, var_1_22=2, var_1_23=200, var_1_26=9/5, var_1_29=0, var_1_2=0, var_1_37=0, var_1_39=0, var_1_3=-129, var_1_40=0, var_1_41=10, var_1_4=-511, var_1_5=48, var_1_6=-511, var_1_8=1, var_1_9=2] [L19] reach_error() VAL [isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=127, var_1_11=0, var_1_12=63, var_1_13=2, var_1_16=9/5, var_1_17=-79, var_1_18=9/5, var_1_19=9/5, var_1_1=49, var_1_21=-16, var_1_22=2, var_1_23=200, var_1_26=9/5, var_1_29=0, var_1_2=0, var_1_37=0, var_1_39=0, var_1_3=-129, var_1_40=0, var_1_41=10, var_1_4=-511, var_1_5=48, var_1_6=-511, var_1_8=1, var_1_9=2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 42 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.5s, OverallIterations: 1, TraceHistogramMax: 21, 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=42occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 158 NumberOfCodeBlocks, 158 NumberOfCodeBlocksAsserted, 2 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 [2024-11-09 01:24:35,885 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d10676b0-1b20-4f40-9359-57acb3199377/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d10676b0-1b20-4f40-9359-57acb3199377/bin/utaipan-verify-YMUCfTKeje/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d10676b0-1b20-4f40-9359-57acb3199377/bin/utaipan-verify-YMUCfTKeje/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d10676b0-1b20-4f40-9359-57acb3199377/bin/utaipan-verify-YMUCfTKeje/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d10676b0-1b20-4f40-9359-57acb3199377/bin/utaipan-verify-YMUCfTKeje/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-20.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d10676b0-1b20-4f40-9359-57acb3199377/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d10676b0-1b20-4f40-9359-57acb3199377/bin/utaipan-verify-YMUCfTKeje --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 e4d8b25be12ac7c0f83971829851a1917a680012c727d89f67306d428382fca6 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 01:24:38,621 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 01:24:38,729 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d10676b0-1b20-4f40-9359-57acb3199377/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2024-11-09 01:24:38,738 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 01:24:38,739 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 01:24:38,785 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 01:24:38,786 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 01:24:38,786 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 01:24:38,787 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 01:24:38,790 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 01:24:38,790 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-09 01:24:38,790 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-09 01:24:38,791 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-09 01:24:38,791 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-09 01:24:38,791 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-09 01:24:38,792 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-09 01:24:38,795 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 01:24:38,799 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 01:24:38,800 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 01:24:38,800 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 01:24:38,801 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 01:24:38,801 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 01:24:38,801 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 01:24:38,802 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 01:24:38,802 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-09 01:24:38,802 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-09 01:24:38,803 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 01:24:38,803 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-09 01:24:38,803 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 01:24:38,803 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 01:24:38,804 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 01:24:38,804 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 01:24:38,806 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-09 01:24:38,806 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 01:24:38,807 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 01:24:38,807 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 01:24:38,807 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 01:24:38,807 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 01:24:38,808 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 01:24:38,808 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-09 01:24:38,808 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-09 01:24:38,809 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 01:24:38,809 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-09 01:24:38,823 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_d10676b0-1b20-4f40-9359-57acb3199377/bin/utaipan-verify-YMUCfTKeje/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d10676b0-1b20-4f40-9359-57acb3199377/bin/utaipan-verify-YMUCfTKeje Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e4d8b25be12ac7c0f83971829851a1917a680012c727d89f67306d428382fca6 [2024-11-09 01:24:39,241 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 01:24:39,270 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 01:24:39,273 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 01:24:39,275 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 01:24:39,275 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 01:24:39,277 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d10676b0-1b20-4f40-9359-57acb3199377/bin/utaipan-verify-YMUCfTKeje/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-20.i Unable to find full path for "g++" [2024-11-09 01:24:41,540 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 01:24:41,848 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 01:24:41,849 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d10676b0-1b20-4f40-9359-57acb3199377/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-20.i [2024-11-09 01:24:41,863 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d10676b0-1b20-4f40-9359-57acb3199377/bin/utaipan-verify-YMUCfTKeje/data/646e95260/3db43b6f47b74e558e7513371dcd6c40/FLAG36b02e09e [2024-11-09 01:24:42,137 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d10676b0-1b20-4f40-9359-57acb3199377/bin/utaipan-verify-YMUCfTKeje/data/646e95260/3db43b6f47b74e558e7513371dcd6c40 [2024-11-09 01:24:42,141 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 01:24:42,143 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 01:24:42,146 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 01:24:42,147 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 01:24:42,154 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 01:24:42,155 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 01:24:42" (1/1) ... [2024-11-09 01:24:42,157 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@107d8c31 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:24:42, skipping insertion in model container [2024-11-09 01:24:42,157 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 01:24:42" (1/1) ... [2024-11-09 01:24:42,205 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 01:24:42,467 WARN L250 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_d10676b0-1b20-4f40-9359-57acb3199377/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-20.i[919,932] [2024-11-09 01:24:42,563 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 01:24:42,590 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 01:24:42,612 WARN L250 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_d10676b0-1b20-4f40-9359-57acb3199377/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-20.i[919,932] [2024-11-09 01:24:42,664 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 01:24:42,691 INFO L204 MainTranslator]: Completed translation [2024-11-09 01:24:42,691 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:24:42 WrapperNode [2024-11-09 01:24:42,692 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 01:24:42,693 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 01:24:42,693 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 01:24:42,693 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 01:24:42,702 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:24:42" (1/1) ... [2024-11-09 01:24:42,728 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:24:42" (1/1) ... [2024-11-09 01:24:42,778 INFO L138 Inliner]: procedures = 27, calls = 34, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 166 [2024-11-09 01:24:42,779 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 01:24:42,780 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 01:24:42,780 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 01:24:42,780 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 01:24:42,803 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:24:42" (1/1) ... [2024-11-09 01:24:42,804 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:24:42" (1/1) ... [2024-11-09 01:24:42,815 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:24:42" (1/1) ... [2024-11-09 01:24:42,819 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:24:42" (1/1) ... [2024-11-09 01:24:42,844 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:24:42" (1/1) ... [2024-11-09 01:24:42,853 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:24:42" (1/1) ... [2024-11-09 01:24:42,884 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:24:42" (1/1) ... [2024-11-09 01:24:42,886 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:24:42" (1/1) ... [2024-11-09 01:24:42,897 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 01:24:42,898 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 01:24:42,898 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 01:24:42,899 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 01:24:42,904 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:24:42" (1/1) ... [2024-11-09 01:24:42,918 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 01:24:42,934 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d10676b0-1b20-4f40-9359-57acb3199377/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 01:24:42,951 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d10676b0-1b20-4f40-9359-57acb3199377/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-09 01:24:42,955 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d10676b0-1b20-4f40-9359-57acb3199377/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-09 01:24:42,995 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 01:24:42,995 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-09 01:24:42,995 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-09 01:24:42,995 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-09 01:24:42,995 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 01:24:42,995 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 01:24:43,100 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 01:24:43,102 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 01:24:49,182 INFO L? ?]: Removed 12 outVars from TransFormulas that were not future-live. [2024-11-09 01:24:49,183 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 01:24:49,200 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 01:24:49,200 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-09 01:24:49,200 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 01:24:49 BoogieIcfgContainer [2024-11-09 01:24:49,201 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 01:24:49,204 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 01:24:49,204 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 01:24:49,208 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 01:24:49,209 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 01:24:42" (1/3) ... [2024-11-09 01:24:49,209 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2428025 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 01:24:49, skipping insertion in model container [2024-11-09 01:24:49,210 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:24:42" (2/3) ... [2024-11-09 01:24:49,210 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2428025 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 01:24:49, skipping insertion in model container [2024-11-09 01:24:49,210 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 01:24:49" (3/3) ... [2024-11-09 01:24:49,212 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-ps-ci_file-20.i [2024-11-09 01:24:49,234 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 01:24:49,234 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-09 01:24:49,338 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 01:24:49,349 INFO L333 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, 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;@2860b3ce, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 01:24:49,351 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-09 01:24:49,357 INFO L276 IsEmpty]: Start isEmpty. Operand has 72 states, 48 states have (on average 1.4583333333333333) internal successors, (70), 49 states have internal predecessors, (70), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2024-11-09 01:24:49,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2024-11-09 01:24:49,380 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 01:24:49,381 INFO L215 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 01:24:49,381 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 01:24:49,388 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 01:24:49,389 INFO L85 PathProgramCache]: Analyzing trace with hash 1590137178, now seen corresponding path program 1 times [2024-11-09 01:24:49,406 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 01:24:49,407 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [307355383] [2024-11-09 01:24:49,407 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 01:24:49,408 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 [2024-11-09 01:24:49,408 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d10676b0-1b20-4f40-9359-57acb3199377/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 01:24:49,412 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d10676b0-1b20-4f40-9359-57acb3199377/bin/utaipan-verify-YMUCfTKeje/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) [2024-11-09 01:24:49,417 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d10676b0-1b20-4f40-9359-57acb3199377/bin/utaipan-verify-YMUCfTKeje/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 [2024-11-09 01:24:50,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:24:50,282 INFO L255 TraceCheckSpWp]: Trace formula consists of 238 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-09 01:24:50,298 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 01:24:50,377 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 404 proven. 0 refuted. 0 times theorem prover too weak. 436 trivial. 0 not checked. [2024-11-09 01:24:50,377 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 01:24:50,378 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 01:24:50,380 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [307355383] [2024-11-09 01:24:50,381 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [307355383] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 01:24:50,382 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 01:24:50,382 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 01:24:50,384 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [736623205] [2024-11-09 01:24:50,386 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 01:24:50,392 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-09 01:24:50,393 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 01:24:50,442 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-09 01:24:50,443 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-09 01:24:50,447 INFO L87 Difference]: Start difference. First operand has 72 states, 48 states have (on average 1.4583333333333333) internal successors, (70), 49 states have internal predecessors, (70), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) Second operand has 2 states, 2 states have (on average 21.0) internal successors, (42), 2 states have internal predecessors, (42), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2024-11-09 01:24:50,499 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 01:24:50,502 INFO L93 Difference]: Finished difference Result 137 states and 239 transitions. [2024-11-09 01:24:50,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-09 01:24:50,505 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 21.0) internal successors, (42), 2 states have internal predecessors, (42), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 140 [2024-11-09 01:24:50,505 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 01:24:50,516 INFO L225 Difference]: With dead ends: 137 [2024-11-09 01:24:50,516 INFO L226 Difference]: Without dead ends: 68 [2024-11-09 01:24:50,520 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 139 GetRequests, 139 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-09 01:24:50,528 INFO L432 NwaCegarLoop]: 104 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, 104 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 [2024-11-09 01:24:50,530 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 104 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 01:24:50,550 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states. [2024-11-09 01:24:50,590 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 68. [2024-11-09 01:24:50,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 68 states, 45 states have (on average 1.3777777777777778) internal successors, (62), 45 states have internal predecessors, (62), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2024-11-09 01:24:50,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 104 transitions. [2024-11-09 01:24:50,600 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 104 transitions. Word has length 140 [2024-11-09 01:24:50,602 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 01:24:50,602 INFO L471 AbstractCegarLoop]: Abstraction has 68 states and 104 transitions. [2024-11-09 01:24:50,602 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 21.0) internal successors, (42), 2 states have internal predecessors, (42), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2024-11-09 01:24:50,603 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 104 transitions. [2024-11-09 01:24:50,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2024-11-09 01:24:50,609 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 01:24:50,610 INFO L215 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 01:24:50,622 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d10676b0-1b20-4f40-9359-57acb3199377/bin/utaipan-verify-YMUCfTKeje/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)] Ended with exit code 0 [2024-11-09 01:24:50,811 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d10676b0-1b20-4f40-9359-57acb3199377/bin/utaipan-verify-YMUCfTKeje/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 [2024-11-09 01:24:50,811 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 01:24:50,812 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 01:24:50,812 INFO L85 PathProgramCache]: Analyzing trace with hash 1600455174, now seen corresponding path program 1 times [2024-11-09 01:24:50,813 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 01:24:50,814 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [633019752] [2024-11-09 01:24:50,814 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 01:24:50,814 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 [2024-11-09 01:24:50,814 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d10676b0-1b20-4f40-9359-57acb3199377/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 01:24:50,817 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d10676b0-1b20-4f40-9359-57acb3199377/bin/utaipan-verify-YMUCfTKeje/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) [2024-11-09 01:24:50,819 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d10676b0-1b20-4f40-9359-57acb3199377/bin/utaipan-verify-YMUCfTKeje/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 [2024-11-09 01:24:51,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:24:51,342 INFO L255 TraceCheckSpWp]: Trace formula consists of 240 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-09 01:24:51,349 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 01:24:51,677 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2024-11-09 01:24:51,677 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 01:24:51,678 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 01:24:51,678 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [633019752] [2024-11-09 01:24:51,678 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [633019752] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 01:24:51,680 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 01:24:51,680 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-09 01:24:51,681 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [662831372] [2024-11-09 01:24:51,682 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 01:24:51,686 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 01:24:51,686 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 01:24:51,687 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 01:24:51,687 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-09 01:24:51,688 INFO L87 Difference]: Start difference. First operand 68 states and 104 transitions. Second operand has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2024-11-09 01:24:54,378 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.25s for a HTC check with result VALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-09 01:24:55,956 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.58s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-09 01:24:59,983 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 01:25:01,988 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-09 01:25:03,801 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.81s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-09 01:25:05,809 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-09 01:25:05,863 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 01:25:05,863 INFO L93 Difference]: Finished difference Result 180 states and 276 transitions. [2024-11-09 01:25:05,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 01:25:05,864 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) Word has length 141 [2024-11-09 01:25:05,865 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 01:25:05,868 INFO L225 Difference]: With dead ends: 180 [2024-11-09 01:25:05,869 INFO L226 Difference]: Without dead ends: 115 [2024-11-09 01:25:05,870 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 140 GetRequests, 138 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-09 01:25:05,872 INFO L432 NwaCegarLoop]: 118 mSDtfsCounter, 59 mSDsluCounter, 157 mSDsCounter, 0 mSdLazyCounter, 62 mSolverCounterSat, 13 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 59 SdHoareTripleChecker+Valid, 275 SdHoareTripleChecker+Invalid, 78 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 62 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.1s IncrementalHoareTripleChecker+Time [2024-11-09 01:25:05,872 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [59 Valid, 275 Invalid, 78 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 62 Invalid, 3 Unknown, 0 Unchecked, 14.1s Time] [2024-11-09 01:25:05,874 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2024-11-09 01:25:05,889 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 82. [2024-11-09 01:25:05,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 82 states, 59 states have (on average 1.3559322033898304) internal successors, (80), 59 states have internal predecessors, (80), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2024-11-09 01:25:05,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 122 transitions. [2024-11-09 01:25:05,892 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 122 transitions. Word has length 141 [2024-11-09 01:25:05,894 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 01:25:05,895 INFO L471 AbstractCegarLoop]: Abstraction has 82 states and 122 transitions. [2024-11-09 01:25:05,895 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2024-11-09 01:25:05,896 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 122 transitions. [2024-11-09 01:25:05,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2024-11-09 01:25:05,899 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 01:25:05,899 INFO L215 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 01:25:05,915 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d10676b0-1b20-4f40-9359-57acb3199377/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2024-11-09 01:25:06,100 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d10676b0-1b20-4f40-9359-57acb3199377/bin/utaipan-verify-YMUCfTKeje/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 [2024-11-09 01:25:06,101 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 01:25:06,101 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 01:25:06,102 INFO L85 PathProgramCache]: Analyzing trace with hash 12107272, now seen corresponding path program 1 times [2024-11-09 01:25:06,103 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 01:25:06,103 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1581684367] [2024-11-09 01:25:06,103 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 01:25:06,103 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 [2024-11-09 01:25:06,103 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d10676b0-1b20-4f40-9359-57acb3199377/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 01:25:06,105 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d10676b0-1b20-4f40-9359-57acb3199377/bin/utaipan-verify-YMUCfTKeje/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) [2024-11-09 01:25:06,107 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d10676b0-1b20-4f40-9359-57acb3199377/bin/utaipan-verify-YMUCfTKeje/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 [2024-11-09 01:25:06,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:25:06,752 INFO L255 TraceCheckSpWp]: Trace formula consists of 240 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-09 01:25:06,759 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 01:25:08,864 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 308 proven. 12 refuted. 0 times theorem prover too weak. 520 trivial. 0 not checked. [2024-11-09 01:25:08,864 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 01:25:09,862 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 48 proven. 12 refuted. 0 times theorem prover too weak. 780 trivial. 0 not checked. [2024-11-09 01:25:09,863 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 01:25:09,863 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1581684367] [2024-11-09 01:25:09,864 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1581684367] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 01:25:09,864 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [351918920] [2024-11-09 01:25:09,864 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 01:25:09,864 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 01:25:09,865 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d10676b0-1b20-4f40-9359-57acb3199377/bin/utaipan-verify-YMUCfTKeje/cvc4 [2024-11-09 01:25:09,868 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d10676b0-1b20-4f40-9359-57acb3199377/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 01:25:09,870 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d10676b0-1b20-4f40-9359-57acb3199377/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-11-09 01:25:10,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:25:10,457 INFO L255 TraceCheckSpWp]: Trace formula consists of 240 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-09 01:25:10,461 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 01:25:10,586 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2024-11-09 01:25:10,586 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 01:25:10,587 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [351918920] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 01:25:10,587 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2024-11-09 01:25:10,587 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5, 5] total 9 [2024-11-09 01:25:10,588 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1946939718] [2024-11-09 01:25:10,588 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 01:25:10,589 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 01:25:10,589 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 01:25:10,590 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 01:25:10,590 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2024-11-09 01:25:10,590 INFO L87 Difference]: Start difference. First operand 82 states and 122 transitions. Second operand has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2024-11-09 01:25:13,307 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 01:25:15,311 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 01:25:15,315 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 01:25:15,315 INFO L93 Difference]: Finished difference Result 173 states and 256 transitions. [2024-11-09 01:25:15,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 01:25:15,352 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) Word has length 141 [2024-11-09 01:25:15,352 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 01:25:15,354 INFO L225 Difference]: With dead ends: 173 [2024-11-09 01:25:15,354 INFO L226 Difference]: Without dead ends: 94 [2024-11-09 01:25:15,356 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 420 GetRequests, 413 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2024-11-09 01:25:15,357 INFO L432 NwaCegarLoop]: 93 mSDtfsCounter, 35 mSDsluCounter, 79 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 4 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 35 SdHoareTripleChecker+Valid, 172 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.7s IncrementalHoareTripleChecker+Time [2024-11-09 01:25:15,358 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [35 Valid, 172 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 23 Invalid, 2 Unknown, 0 Unchecked, 4.7s Time] [2024-11-09 01:25:15,359 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94 states. [2024-11-09 01:25:15,369 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94 to 82. [2024-11-09 01:25:15,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 82 states, 59 states have (on average 1.305084745762712) internal successors, (77), 59 states have internal predecessors, (77), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2024-11-09 01:25:15,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 119 transitions. [2024-11-09 01:25:15,372 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 119 transitions. Word has length 141 [2024-11-09 01:25:15,373 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 01:25:15,374 INFO L471 AbstractCegarLoop]: Abstraction has 82 states and 119 transitions. [2024-11-09 01:25:15,374 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2024-11-09 01:25:15,374 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 119 transitions. [2024-11-09 01:25:15,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2024-11-09 01:25:15,377 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 01:25:15,378 INFO L215 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 01:25:15,387 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d10676b0-1b20-4f40-9359-57acb3199377/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2024-11-09 01:25:15,588 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d10676b0-1b20-4f40-9359-57acb3199377/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2024-11-09 01:25:15,779 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d10676b0-1b20-4f40-9359-57acb3199377/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d10676b0-1b20-4f40-9359-57acb3199377/bin/utaipan-verify-YMUCfTKeje/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 [2024-11-09 01:25:15,779 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 01:25:15,780 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 01:25:15,780 INFO L85 PathProgramCache]: Analyzing trace with hash 561191621, now seen corresponding path program 1 times [2024-11-09 01:25:15,781 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 01:25:15,781 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [745967367] [2024-11-09 01:25:15,781 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 01:25:15,781 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 [2024-11-09 01:25:15,781 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d10676b0-1b20-4f40-9359-57acb3199377/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 01:25:15,785 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d10676b0-1b20-4f40-9359-57acb3199377/bin/utaipan-verify-YMUCfTKeje/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) [2024-11-09 01:25:15,787 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d10676b0-1b20-4f40-9359-57acb3199377/bin/utaipan-verify-YMUCfTKeje/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 [2024-11-09 01:25:16,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:25:16,288 INFO L255 TraceCheckSpWp]: Trace formula consists of 241 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-09 01:25:16,292 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 01:25:18,233 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 308 proven. 12 refuted. 0 times theorem prover too weak. 520 trivial. 0 not checked. [2024-11-09 01:25:18,233 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 01:25:19,200 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 48 proven. 12 refuted. 0 times theorem prover too weak. 780 trivial. 0 not checked. [2024-11-09 01:25:19,201 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 01:25:19,201 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [745967367] [2024-11-09 01:25:19,201 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [745967367] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 01:25:19,201 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [66205360] [2024-11-09 01:25:19,202 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 01:25:19,202 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 01:25:19,202 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d10676b0-1b20-4f40-9359-57acb3199377/bin/utaipan-verify-YMUCfTKeje/cvc4 [2024-11-09 01:25:19,206 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d10676b0-1b20-4f40-9359-57acb3199377/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 01:25:19,208 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d10676b0-1b20-4f40-9359-57acb3199377/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2024-11-09 01:25:20,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:25:20,610 INFO L255 TraceCheckSpWp]: Trace formula consists of 241 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-09 01:25:20,614 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 01:25:21,128 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2024-11-09 01:25:21,128 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 01:25:21,129 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [66205360] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 01:25:21,129 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2024-11-09 01:25:21,129 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5, 5] total 9 [2024-11-09 01:25:21,129 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [392289611] [2024-11-09 01:25:21,130 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 01:25:21,130 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 01:25:21,131 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 01:25:21,131 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 01:25:21,132 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2024-11-09 01:25:21,132 INFO L87 Difference]: Start difference. First operand 82 states and 119 transitions. Second operand has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2024-11-09 01:25:23,296 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.22s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 01:25:27,203 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.13s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 01:25:29,211 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 01:25:29,257 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 01:25:29,257 INFO L93 Difference]: Finished difference Result 212 states and 309 transitions. [2024-11-09 01:25:29,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 01:25:29,258 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) Word has length 142 [2024-11-09 01:25:29,259 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 01:25:29,260 INFO L225 Difference]: With dead ends: 212 [2024-11-09 01:25:29,260 INFO L226 Difference]: Without dead ends: 133 [2024-11-09 01:25:29,262 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 423 GetRequests, 416 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2024-11-09 01:25:29,263 INFO L432 NwaCegarLoop]: 146 mSDtfsCounter, 64 mSDsluCounter, 88 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 0 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 64 SdHoareTripleChecker+Valid, 234 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.1s IncrementalHoareTripleChecker+Time [2024-11-09 01:25:29,263 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [64 Valid, 234 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 19 Invalid, 2 Unknown, 0 Unchecked, 8.1s Time] [2024-11-09 01:25:29,264 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 133 states. [2024-11-09 01:25:29,288 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 133 to 130. [2024-11-09 01:25:29,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 130 states, 90 states have (on average 1.288888888888889) internal successors, (116), 91 states have internal predecessors, (116), 37 states have call successors, (37), 2 states have call predecessors, (37), 2 states have return successors, (37), 36 states have call predecessors, (37), 37 states have call successors, (37) [2024-11-09 01:25:29,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 130 states and 190 transitions. [2024-11-09 01:25:29,292 INFO L78 Accepts]: Start accepts. Automaton has 130 states and 190 transitions. Word has length 142 [2024-11-09 01:25:29,292 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 01:25:29,293 INFO L471 AbstractCegarLoop]: Abstraction has 130 states and 190 transitions. [2024-11-09 01:25:29,293 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2024-11-09 01:25:29,293 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 190 transitions. [2024-11-09 01:25:29,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2024-11-09 01:25:29,300 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 01:25:29,300 INFO L215 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 01:25:29,312 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d10676b0-1b20-4f40-9359-57acb3199377/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2024-11-09 01:25:29,511 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d10676b0-1b20-4f40-9359-57acb3199377/bin/utaipan-verify-YMUCfTKeje/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 [2024-11-09 01:25:29,701 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d10676b0-1b20-4f40-9359-57acb3199377/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d10676b0-1b20-4f40-9359-57acb3199377/bin/utaipan-verify-YMUCfTKeje/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 [2024-11-09 01:25:29,702 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 01:25:29,702 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 01:25:29,702 INFO L85 PathProgramCache]: Analyzing trace with hash -248155005, now seen corresponding path program 1 times [2024-11-09 01:25:29,703 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 01:25:29,703 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [497360441] [2024-11-09 01:25:29,703 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 01:25:29,704 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 [2024-11-09 01:25:29,704 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d10676b0-1b20-4f40-9359-57acb3199377/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 01:25:29,708 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d10676b0-1b20-4f40-9359-57acb3199377/bin/utaipan-verify-YMUCfTKeje/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) [2024-11-09 01:25:29,711 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d10676b0-1b20-4f40-9359-57acb3199377/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2024-11-09 01:25:30,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:25:30,265 INFO L255 TraceCheckSpWp]: Trace formula consists of 241 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-09 01:25:30,269 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 01:25:32,292 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 308 proven. 12 refuted. 0 times theorem prover too weak. 520 trivial. 0 not checked. [2024-11-09 01:25:32,293 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 01:25:33,512 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 48 proven. 12 refuted. 0 times theorem prover too weak. 780 trivial. 0 not checked. [2024-11-09 01:25:33,512 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 01:25:33,512 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [497360441] [2024-11-09 01:25:33,513 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [497360441] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 01:25:33,513 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [208370694] [2024-11-09 01:25:33,513 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 01:25:33,513 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 01:25:33,513 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d10676b0-1b20-4f40-9359-57acb3199377/bin/utaipan-verify-YMUCfTKeje/cvc4 [2024-11-09 01:25:33,515 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d10676b0-1b20-4f40-9359-57acb3199377/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 01:25:33,517 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d10676b0-1b20-4f40-9359-57acb3199377/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2024-11-09 01:25:34,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:25:34,949 INFO L255 TraceCheckSpWp]: Trace formula consists of 241 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-09 01:25:34,952 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 01:25:36,623 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 308 proven. 12 refuted. 0 times theorem prover too weak. 520 trivial. 0 not checked. [2024-11-09 01:25:36,624 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 01:25:37,476 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 48 proven. 12 refuted. 0 times theorem prover too weak. 780 trivial. 0 not checked. [2024-11-09 01:25:37,477 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [208370694] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 01:25:37,477 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1325634997] [2024-11-09 01:25:37,477 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 01:25:37,477 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 01:25:37,478 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d10676b0-1b20-4f40-9359-57acb3199377/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 01:25:37,481 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d10676b0-1b20-4f40-9359-57acb3199377/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 01:25:37,482 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d10676b0-1b20-4f40-9359-57acb3199377/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-11-09 01:25:37,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:25:37,765 INFO L255 TraceCheckSpWp]: Trace formula consists of 241 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-09 01:25:37,768 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 01:25:39,363 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 308 proven. 12 refuted. 0 times theorem prover too weak. 520 trivial. 0 not checked. [2024-11-09 01:25:39,363 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 01:25:40,124 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 48 proven. 12 refuted. 0 times theorem prover too weak. 780 trivial. 0 not checked. [2024-11-09 01:25:40,125 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1325634997] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 01:25:40,125 INFO L185 FreeRefinementEngine]: Found 0 perfect and 6 imperfect interpolant sequences. [2024-11-09 01:25:40,125 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5, 5, 5, 5] total 8 [2024-11-09 01:25:40,125 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [984012254] [2024-11-09 01:25:40,125 INFO L85 oduleStraightlineAll]: Using 6 imperfect interpolants to construct interpolant automaton [2024-11-09 01:25:40,126 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-09 01:25:40,126 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 01:25:40,127 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-09 01:25:40,128 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-11-09 01:25:40,128 INFO L87 Difference]: Start difference. First operand 130 states and 190 transitions. Second operand has 8 states, 8 states have (on average 7.0) internal successors, (56), 8 states have internal predecessors, (56), 3 states have call successors, (25), 2 states have call predecessors, (25), 4 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) [2024-11-09 01:25:47,274 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-09 01:25:49,278 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-09 01:25:51,280 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-09 01:25:51,284 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 01:25:51,284 INFO L93 Difference]: Finished difference Result 215 states and 311 transitions. [2024-11-09 01:25:51,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-09 01:25:51,318 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 7.0) internal successors, (56), 8 states have internal predecessors, (56), 3 states have call successors, (25), 2 states have call predecessors, (25), 4 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) Word has length 142 [2024-11-09 01:25:51,319 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 01:25:51,320 INFO L225 Difference]: With dead ends: 215 [2024-11-09 01:25:51,320 INFO L226 Difference]: Without dead ends: 88 [2024-11-09 01:25:51,322 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 849 GetRequests, 840 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=46, Invalid=64, Unknown=0, NotChecked=0, Total=110 [2024-11-09 01:25:51,323 INFO L432 NwaCegarLoop]: 68 mSDtfsCounter, 117 mSDsluCounter, 93 mSDsCounter, 0 mSdLazyCounter, 141 mSolverCounterSat, 40 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 133 SdHoareTripleChecker+Valid, 161 SdHoareTripleChecker+Invalid, 184 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 40 IncrementalHoareTripleChecker+Valid, 141 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.8s IncrementalHoareTripleChecker+Time [2024-11-09 01:25:51,323 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [133 Valid, 161 Invalid, 184 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [40 Valid, 141 Invalid, 3 Unknown, 0 Unchecked, 10.8s Time] [2024-11-09 01:25:51,324 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88 states. [2024-11-09 01:25:51,335 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88 to 85. [2024-11-09 01:25:51,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 85 states, 61 states have (on average 1.278688524590164) internal successors, (78), 61 states have internal predecessors, (78), 21 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2024-11-09 01:25:51,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 120 transitions. [2024-11-09 01:25:51,338 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 120 transitions. Word has length 142 [2024-11-09 01:25:51,339 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 01:25:51,339 INFO L471 AbstractCegarLoop]: Abstraction has 85 states and 120 transitions. [2024-11-09 01:25:51,340 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 7.0) internal successors, (56), 8 states have internal predecessors, (56), 3 states have call successors, (25), 2 states have call predecessors, (25), 4 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) [2024-11-09 01:25:51,340 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 120 transitions. [2024-11-09 01:25:51,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2024-11-09 01:25:51,345 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 01:25:51,345 INFO L215 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 01:25:51,356 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d10676b0-1b20-4f40-9359-57acb3199377/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (9)] Forceful destruction successful, exit code 0 [2024-11-09 01:25:51,576 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d10676b0-1b20-4f40-9359-57acb3199377/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2024-11-09 01:25:51,756 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d10676b0-1b20-4f40-9359-57acb3199377/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2024-11-09 01:25:51,946 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d10676b0-1b20-4f40-9359-57acb3199377/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt,10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d10676b0-1b20-4f40-9359-57acb3199377/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d10676b0-1b20-4f40-9359-57acb3199377/bin/utaipan-verify-YMUCfTKeje/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 [2024-11-09 01:25:51,947 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 01:25:51,947 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 01:25:51,948 INFO L85 PathProgramCache]: Analyzing trace with hash 307367375, now seen corresponding path program 1 times [2024-11-09 01:25:51,948 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 01:25:51,948 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [965611171] [2024-11-09 01:25:51,948 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 01:25:51,948 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 [2024-11-09 01:25:51,949 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d10676b0-1b20-4f40-9359-57acb3199377/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 01:25:51,950 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d10676b0-1b20-4f40-9359-57acb3199377/bin/utaipan-verify-YMUCfTKeje/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) [2024-11-09 01:25:51,951 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d10676b0-1b20-4f40-9359-57acb3199377/bin/utaipan-verify-YMUCfTKeje/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 [2024-11-09 01:25:52,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:25:52,614 INFO L255 TraceCheckSpWp]: Trace formula consists of 242 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-09 01:25:52,619 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 01:25:53,366 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 428 proven. 24 refuted. 0 times theorem prover too weak. 388 trivial. 0 not checked. [2024-11-09 01:25:53,366 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 01:25:53,616 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 01:25:53,616 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [965611171] [2024-11-09 01:25:53,616 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [965611171] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 01:25:53,616 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [329954163] [2024-11-09 01:25:53,616 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 01:25:53,617 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 01:25:53,617 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d10676b0-1b20-4f40-9359-57acb3199377/bin/utaipan-verify-YMUCfTKeje/cvc4 [2024-11-09 01:25:53,619 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d10676b0-1b20-4f40-9359-57acb3199377/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 01:25:53,620 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d10676b0-1b20-4f40-9359-57acb3199377/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2024-11-09 01:25:55,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:25:55,461 INFO L255 TraceCheckSpWp]: Trace formula consists of 242 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-09 01:25:55,464 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 01:25:56,010 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 428 proven. 24 refuted. 0 times theorem prover too weak. 388 trivial. 0 not checked. [2024-11-09 01:25:56,010 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 01:25:56,197 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [329954163] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 01:25:56,198 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [747256435] [2024-11-09 01:25:56,198 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 01:25:56,198 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 01:25:56,198 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d10676b0-1b20-4f40-9359-57acb3199377/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 01:25:56,200 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d10676b0-1b20-4f40-9359-57acb3199377/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 01:25:56,201 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d10676b0-1b20-4f40-9359-57acb3199377/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-11-09 01:25:56,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:25:56,570 INFO L255 TraceCheckSpWp]: Trace formula consists of 242 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-09 01:25:56,573 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 01:25:57,203 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 428 proven. 24 refuted. 0 times theorem prover too weak. 388 trivial. 0 not checked. [2024-11-09 01:25:57,203 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 01:25:57,381 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [747256435] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 01:25:57,382 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 01:25:57,382 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 5 [2024-11-09 01:25:57,382 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1316780599] [2024-11-09 01:25:57,382 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 01:25:57,383 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 01:25:57,384 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 01:25:57,385 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 01:25:57,385 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-09 01:25:57,385 INFO L87 Difference]: Start difference. First operand 85 states and 120 transitions. Second operand has 5 states, 5 states have (on average 9.4) internal successors, (47), 5 states have internal predecessors, (47), 2 states have call successors, (21), 2 states have call predecessors, (21), 3 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2024-11-09 01:26:00,862 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 01:26:02,515 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.65s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 01:26:02,584 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 01:26:02,584 INFO L93 Difference]: Finished difference Result 173 states and 242 transitions. [2024-11-09 01:26:02,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-09 01:26:02,632 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), 2 states have call successors, (21), 2 states have call predecessors, (21), 3 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 143 [2024-11-09 01:26:02,633 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 01:26:02,634 INFO L225 Difference]: With dead ends: 173 [2024-11-09 01:26:02,634 INFO L226 Difference]: Without dead ends: 91 [2024-11-09 01:26:02,635 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 499 GetRequests, 492 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2024-11-09 01:26:02,636 INFO L432 NwaCegarLoop]: 72 mSDtfsCounter, 57 mSDsluCounter, 103 mSDsCounter, 0 mSdLazyCounter, 126 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 69 SdHoareTripleChecker+Valid, 175 SdHoareTripleChecker+Invalid, 134 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 126 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.1s IncrementalHoareTripleChecker+Time [2024-11-09 01:26:02,636 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [69 Valid, 175 Invalid, 134 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 126 Invalid, 1 Unknown, 0 Unchecked, 5.1s Time] [2024-11-09 01:26:02,637 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states. [2024-11-09 01:26:02,649 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 89. [2024-11-09 01:26:02,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 89 states, 64 states have (on average 1.234375) internal successors, (79), 64 states have internal predecessors, (79), 21 states have call successors, (21), 3 states have call predecessors, (21), 3 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2024-11-09 01:26:02,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 89 states and 121 transitions. [2024-11-09 01:26:02,652 INFO L78 Accepts]: Start accepts. Automaton has 89 states and 121 transitions. Word has length 143 [2024-11-09 01:26:02,652 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 01:26:02,652 INFO L471 AbstractCegarLoop]: Abstraction has 89 states and 121 transitions. [2024-11-09 01:26:02,653 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.4) internal successors, (47), 5 states have internal predecessors, (47), 2 states have call successors, (21), 2 states have call predecessors, (21), 3 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2024-11-09 01:26:02,653 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 121 transitions. [2024-11-09 01:26:02,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2024-11-09 01:26:02,655 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 01:26:02,656 INFO L215 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 01:26:02,673 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d10676b0-1b20-4f40-9359-57acb3199377/bin/utaipan-verify-YMUCfTKeje/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)] Ended with exit code 0 [2024-11-09 01:26:02,869 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d10676b0-1b20-4f40-9359-57acb3199377/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (12)] Forceful destruction successful, exit code 0 [2024-11-09 01:26:03,094 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d10676b0-1b20-4f40-9359-57acb3199377/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2024-11-09 01:26:03,260 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d10676b0-1b20-4f40-9359-57acb3199377/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d10676b0-1b20-4f40-9359-57acb3199377/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt,13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d10676b0-1b20-4f40-9359-57acb3199377/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 01:26:03,260 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 01:26:03,260 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 01:26:03,261 INFO L85 PathProgramCache]: Analyzing trace with hash -713700979, now seen corresponding path program 1 times [2024-11-09 01:26:03,261 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 01:26:03,261 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [217017460] [2024-11-09 01:26:03,261 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 01:26:03,261 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 [2024-11-09 01:26:03,261 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d10676b0-1b20-4f40-9359-57acb3199377/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 01:26:03,262 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d10676b0-1b20-4f40-9359-57acb3199377/bin/utaipan-verify-YMUCfTKeje/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) [2024-11-09 01:26:03,263 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d10676b0-1b20-4f40-9359-57acb3199377/bin/utaipan-verify-YMUCfTKeje/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 [2024-11-09 01:26:04,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:26:04,109 INFO L255 TraceCheckSpWp]: Trace formula consists of 242 conjuncts, 45 conjuncts are in the unsatisfiable core [2024-11-09 01:26:04,117 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 01:26:45,705 WARN L286 SmtUtils]: Spent 6.07s on a formula simplification that was a NOOP. DAG size: 36 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 01:27:55,571 WARN L286 SmtUtils]: Spent 7.64s on a formula simplification that was a NOOP. DAG size: 41 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 01:28:35,052 WARN L286 SmtUtils]: Spent 10.59s on a formula simplification that was a NOOP. DAG size: 50 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 01:29:17,452 WARN L286 SmtUtils]: Spent 11.57s on a formula simplification that was a NOOP. DAG size: 55 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 01:31:24,196 WARN L286 SmtUtils]: Spent 44.30s on a formula simplification that was a NOOP. DAG size: 72 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 01:32:23,642 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse0 ((_ to_fp 8 24) c_currentRoundingMode 4611686018427382800.0)) (.cse3 ((_ to_fp 8 24) c_currentRoundingMode (/ 1.0 100000000000000000000.0))) (.cse4 ((_ sign_extend 24) c_~var_1_12~0)) (.cse1 ((_ zero_extend 24) c_~var_1_4~0)) (.cse5 ((_ zero_extend 24) c_~var_1_5~0)) (.cse2 ((_ zero_extend 24) c_~var_1_3~0))) (and (= (fp.add c_currentRoundingMode c_~var_1_14~0 c_~var_1_16~0) c_~var_1_15~0) (fp.leq c_~var_1_14~0 .cse0) (= c_~var_1_4~0 c_~var_1_6~0) (= c_~var_1_9~0 (fp.sub c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode (/ 324.0 5.0)) (fp.sub c_currentRoundingMode c_~var_1_13~0 c_~var_1_14~0))) (bvsle .cse1 (_ bv127 32)) (bvsge .cse2 (_ bv127 32)) (fp.gt c_~var_1_16~0 (fp.div c_currentRoundingMode c_~var_1_13~0 c_~var_1_13~0)) (fp.geq c_~var_1_14~0 .cse3) (bvsle .cse4 (_ bv63 32)) (fp.leq c_~var_1_16~0 .cse0) (fp.geq c_~var_1_13~0 .cse3) (fp.leq c_~var_1_13~0 ((_ to_fp 8 24) c_currentRoundingMode 9223372036854765600.0)) (bvsge .cse4 (_ bv0 32)) (bvsle .cse5 (_ bv127 32)) (= ((_ extract 7 0) (bvadd .cse2 (bvneg .cse1))) c_~var_1_1~0) (not (= (bvadd (bvneg (bvadd .cse4 (_ bv16 32))) (bvneg ((_ sign_extend 24) c_~var_1_11~0)) ((_ sign_extend 24) c_~var_1_10~0)) .cse5)) (= c_currentRoundingMode roundNearestTiesToEven) (not (= (bvadd (bvneg (bvadd .cse1 ((_ zero_extend 24) c_~last_1_var_1_6~0))) ((_ zero_extend 16) c_~last_1_var_1_8~0)) (bvadd (_ bv64 32) (bvsdiv .cse5 .cse2)))))) is different from false [2024-11-09 01:35:17,565 WARN L286 SmtUtils]: Spent 1.08m on a formula simplification that was a NOOP. DAG size: 83 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 01:36:39,335 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse0 ((_ to_fp 8 24) c_currentRoundingMode 4611686018427382800.0)) (.cse3 ((_ to_fp 8 24) c_currentRoundingMode (/ 1.0 100000000000000000000.0))) (.cse4 ((_ sign_extend 24) c_~var_1_12~0)) (.cse1 ((_ zero_extend 24) c_~var_1_4~0)) (.cse5 ((_ zero_extend 24) c_~var_1_5~0)) (.cse2 ((_ zero_extend 24) c_~var_1_3~0))) (and (= (fp.add c_currentRoundingMode c_~var_1_14~0 c_~var_1_16~0) c_~var_1_15~0) (fp.leq c_~var_1_14~0 .cse0) (= c_~var_1_4~0 c_~var_1_6~0) (= c_~var_1_9~0 (fp.sub c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode (/ 324.0 5.0)) (fp.sub c_currentRoundingMode c_~var_1_13~0 c_~var_1_14~0))) (bvsle .cse1 (_ bv127 32)) (bvsge .cse2 (_ bv127 32)) (fp.gt c_~var_1_16~0 (fp.div c_currentRoundingMode c_~var_1_13~0 c_~var_1_13~0)) (fp.geq c_~var_1_14~0 .cse3) (bvsle .cse4 (_ bv63 32)) (fp.leq c_~var_1_16~0 .cse0) (fp.geq c_~var_1_13~0 .cse3) (= ((_ to_fp 11 53) c_currentRoundingMode c_~var_1_16~0) c_~var_1_18~0) (fp.leq c_~var_1_13~0 ((_ to_fp 8 24) c_currentRoundingMode 9223372036854765600.0)) (bvsge .cse4 (_ bv0 32)) (bvsle .cse5 (_ bv127 32)) (= ((_ extract 7 0) (bvadd .cse2 (bvneg .cse1))) c_~var_1_1~0) (not (= (_ bv0 8) c_~var_1_2~0)) (= ((_ extract 15 0) (bvadd .cse4 .cse2)) c_~var_1_17~0) (not (= (bvadd (bvneg (bvadd .cse4 (_ bv16 32))) (bvneg ((_ sign_extend 24) c_~var_1_11~0)) ((_ sign_extend 24) c_~var_1_10~0)) .cse5)) (= c_currentRoundingMode roundNearestTiesToEven) (not (= (bvadd (bvneg (bvadd .cse1 ((_ zero_extend 24) c_~last_1_var_1_6~0))) ((_ zero_extend 16) c_~last_1_var_1_8~0)) (bvadd (_ bv64 32) (bvsdiv .cse5 .cse2)))))) is different from false [2024-11-09 01:38:06,822 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse0 ((_ to_fp 8 24) c_currentRoundingMode 4611686018427382800.0)) (.cse3 ((_ to_fp 8 24) c_currentRoundingMode (/ 1.0 100000000000000000000.0))) (.cse4 ((_ sign_extend 24) c_~var_1_12~0)) (.cse1 ((_ zero_extend 24) c_~var_1_4~0)) (.cse5 ((_ zero_extend 24) c_~var_1_5~0)) (.cse2 ((_ zero_extend 24) c_~var_1_3~0))) (and (= (fp.add c_currentRoundingMode c_~var_1_14~0 c_~var_1_16~0) c_~var_1_15~0) (fp.leq c_~var_1_14~0 .cse0) (= c_~var_1_4~0 c_~var_1_6~0) (= c_~var_1_9~0 (fp.sub c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode (/ 324.0 5.0)) (fp.sub c_currentRoundingMode c_~var_1_13~0 c_~var_1_14~0))) (bvsle .cse1 (_ bv127 32)) (bvsge .cse2 (_ bv127 32)) (fp.gt c_~var_1_16~0 (fp.div c_currentRoundingMode c_~var_1_13~0 c_~var_1_13~0)) (fp.geq c_~var_1_14~0 .cse3) (bvsle .cse4 (_ bv63 32)) (fp.leq c_~var_1_16~0 .cse0) (= |c_ULTIMATE.start_step_~stepLocal_1~0#1| (bvadd .cse2 (bvneg .cse5))) (fp.geq c_~var_1_13~0 .cse3) (= ((_ to_fp 11 53) c_currentRoundingMode c_~var_1_16~0) c_~var_1_18~0) (fp.leq c_~var_1_13~0 ((_ to_fp 8 24) c_currentRoundingMode 9223372036854765600.0)) (bvsge .cse4 (_ bv0 32)) (bvsle .cse5 (_ bv127 32)) (= ((_ extract 7 0) (bvadd .cse2 (bvneg .cse1))) c_~var_1_1~0) (not (= (_ bv0 8) c_~var_1_2~0)) (= ((_ extract 15 0) (bvadd .cse4 .cse2)) c_~var_1_17~0) (not (= (bvadd (bvneg (bvadd .cse4 (_ bv16 32))) (bvneg ((_ sign_extend 24) c_~var_1_11~0)) ((_ sign_extend 24) c_~var_1_10~0)) .cse5)) (= c_currentRoundingMode roundNearestTiesToEven) (not (= (bvadd (bvneg (bvadd .cse1 ((_ zero_extend 24) c_~last_1_var_1_6~0))) ((_ zero_extend 16) c_~last_1_var_1_8~0)) (bvadd (_ bv64 32) (bvsdiv .cse5 .cse2)))))) is different from false [2024-11-09 01:39:41,055 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse0 ((_ to_fp 8 24) c_currentRoundingMode 4611686018427382800.0)) (.cse3 ((_ to_fp 8 24) c_currentRoundingMode (/ 1.0 100000000000000000000.0))) (.cse4 ((_ sign_extend 24) c_~var_1_12~0)) (.cse1 ((_ zero_extend 24) c_~var_1_4~0)) (.cse5 ((_ zero_extend 24) c_~var_1_5~0)) (.cse2 ((_ zero_extend 24) c_~var_1_3~0))) (and (= (fp.add c_currentRoundingMode c_~var_1_14~0 c_~var_1_16~0) c_~var_1_15~0) (fp.leq c_~var_1_14~0 .cse0) (= c_~var_1_4~0 c_~var_1_6~0) (= c_~var_1_9~0 (fp.sub c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode (/ 324.0 5.0)) (fp.sub c_currentRoundingMode c_~var_1_13~0 c_~var_1_14~0))) (bvsle .cse1 (_ bv127 32)) (bvsge .cse2 (_ bv127 32)) (fp.gt c_~var_1_16~0 (fp.div c_currentRoundingMode c_~var_1_13~0 c_~var_1_13~0)) (fp.geq c_~var_1_14~0 .cse3) (bvsle .cse4 (_ bv63 32)) (fp.leq c_~var_1_16~0 .cse0) (= c_~var_1_8~0 ((_ extract 15 0) .cse2)) (fp.geq c_~var_1_13~0 .cse3) (= ((_ to_fp 11 53) c_currentRoundingMode c_~var_1_16~0) c_~var_1_18~0) (fp.leq c_~var_1_13~0 ((_ to_fp 8 24) c_currentRoundingMode 9223372036854765600.0)) (bvsge .cse4 (_ bv0 32)) (bvsle .cse5 (_ bv127 32)) (= ((_ extract 7 0) (bvadd .cse2 (bvneg .cse1))) c_~var_1_1~0) (not (= (_ bv0 8) c_~var_1_2~0)) (= ((_ extract 15 0) (bvadd .cse4 .cse2)) c_~var_1_17~0) (not (= (bvadd (bvneg (bvadd .cse4 (_ bv16 32))) (bvneg ((_ sign_extend 24) c_~var_1_11~0)) ((_ sign_extend 24) c_~var_1_10~0)) .cse5)) (= c_currentRoundingMode roundNearestTiesToEven) (not (= (bvadd (bvneg (bvadd .cse1 ((_ zero_extend 24) c_~last_1_var_1_6~0))) ((_ zero_extend 16) c_~last_1_var_1_8~0)) (bvadd (_ bv64 32) (bvsdiv .cse5 .cse2)))))) is different from false