./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-26.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version cf1a7837 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c791dab-cc8c-42fa-b7be-29a581598434/bin/utaipan-verify-NcY6lQBIFX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c791dab-cc8c-42fa-b7be-29a581598434/bin/utaipan-verify-NcY6lQBIFX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c791dab-cc8c-42fa-b7be-29a581598434/bin/utaipan-verify-NcY6lQBIFX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c791dab-cc8c-42fa-b7be-29a581598434/bin/utaipan-verify-NcY6lQBIFX/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-26.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c791dab-cc8c-42fa-b7be-29a581598434/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c791dab-cc8c-42fa-b7be-29a581598434/bin/utaipan-verify-NcY6lQBIFX --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 3a05c4cd155494b334138871edc7853c0d0fcd1ccd2ec892619f7fa2811e9969 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 00:09:56,893 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 00:09:56,993 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c791dab-cc8c-42fa-b7be-29a581598434/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-11-12 00:09:57,001 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 00:09:57,002 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 00:09:57,044 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 00:09:57,045 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 00:09:57,046 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 00:09:57,047 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 00:09:57,052 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 00:09:57,052 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-12 00:09:57,054 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-12 00:09:57,054 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-12 00:09:57,056 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-12 00:09:57,056 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-12 00:09:57,057 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-12 00:09:57,057 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-12 00:09:57,058 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-12 00:09:57,058 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-12 00:09:57,059 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-12 00:09:57,059 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-12 00:09:57,060 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-12 00:09:57,061 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 00:09:57,061 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 00:09:57,062 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-12 00:09:57,062 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-12 00:09:57,063 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-12 00:09:57,063 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 00:09:57,064 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 00:09:57,064 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 00:09:57,065 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 00:09:57,066 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-12 00:09:57,066 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 00:09:57,066 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 00:09:57,067 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 00:09:57,067 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 00:09:57,067 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 00:09:57,068 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 00:09:57,068 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 00:09:57,068 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 00:09:57,068 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-12 00:09:57,069 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-12 00:09:57,069 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 00:09:57,070 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-12 00:09:57,070 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 00:09:57,070 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_1c791dab-cc8c-42fa-b7be-29a581598434/bin/utaipan-verify-NcY6lQBIFX/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c791dab-cc8c-42fa-b7be-29a581598434/bin/utaipan-verify-NcY6lQBIFX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3a05c4cd155494b334138871edc7853c0d0fcd1ccd2ec892619f7fa2811e9969 [2023-11-12 00:09:57,313 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 00:09:57,344 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 00:09:57,347 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 00:09:57,348 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 00:09:57,349 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 00:09:57,352 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c791dab-cc8c-42fa-b7be-29a581598434/bin/utaipan-verify-NcY6lQBIFX/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-26.i [2023-11-12 00:10:00,370 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 00:10:00,680 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 00:10:00,680 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c791dab-cc8c-42fa-b7be-29a581598434/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-26.i [2023-11-12 00:10:00,696 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c791dab-cc8c-42fa-b7be-29a581598434/bin/utaipan-verify-NcY6lQBIFX/data/4d647501c/08d67d2d15c34cd18da088a96f6c1946/FLAG43f03c12d [2023-11-12 00:10:00,715 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c791dab-cc8c-42fa-b7be-29a581598434/bin/utaipan-verify-NcY6lQBIFX/data/4d647501c/08d67d2d15c34cd18da088a96f6c1946 [2023-11-12 00:10:00,721 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 00:10:00,722 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 00:10:00,724 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 00:10:00,724 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 00:10:00,731 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 00:10:00,732 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:10:00" (1/1) ... [2023-11-12 00:10:00,734 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@73aa0fca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:10:00, skipping insertion in model container [2023-11-12 00:10:00,734 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:10:00" (1/1) ... [2023-11-12 00:10:00,778 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 00:10:00,941 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c791dab-cc8c-42fa-b7be-29a581598434/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-26.i[916,929] [2023-11-12 00:10:01,031 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:10:01,046 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 00:10:01,061 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c791dab-cc8c-42fa-b7be-29a581598434/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-26.i[916,929] [2023-11-12 00:10:01,117 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:10:01,144 INFO L206 MainTranslator]: Completed translation [2023-11-12 00:10:01,144 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:10:01 WrapperNode [2023-11-12 00:10:01,145 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 00:10:01,146 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 00:10:01,146 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 00:10:01,146 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 00:10:01,155 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:10:01" (1/1) ... [2023-11-12 00:10:01,170 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:10:01" (1/1) ... [2023-11-12 00:10:01,237 INFO L138 Inliner]: procedures = 26, calls = 43, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 234 [2023-11-12 00:10:01,238 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 00:10:01,239 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 00:10:01,239 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 00:10:01,239 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 00:10:01,249 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:10:01" (1/1) ... [2023-11-12 00:10:01,250 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:10:01" (1/1) ... [2023-11-12 00:10:01,255 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:10:01" (1/1) ... [2023-11-12 00:10:01,256 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:10:01" (1/1) ... [2023-11-12 00:10:01,274 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:10:01" (1/1) ... [2023-11-12 00:10:01,279 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:10:01" (1/1) ... [2023-11-12 00:10:01,287 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:10:01" (1/1) ... [2023-11-12 00:10:01,292 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:10:01" (1/1) ... [2023-11-12 00:10:01,300 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 00:10:01,305 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 00:10:01,305 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 00:10:01,305 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 00:10:01,306 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:10:01" (1/1) ... [2023-11-12 00:10:01,316 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 00:10:01,328 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c791dab-cc8c-42fa-b7be-29a581598434/bin/utaipan-verify-NcY6lQBIFX/z3 [2023-11-12 00:10:01,341 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c791dab-cc8c-42fa-b7be-29a581598434/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-12 00:10:01,367 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c791dab-cc8c-42fa-b7be-29a581598434/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-12 00:10:01,384 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 00:10:01,385 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-12 00:10:01,385 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-12 00:10:01,385 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-12 00:10:01,386 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 00:10:01,386 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 00:10:01,521 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 00:10:01,523 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 00:10:02,137 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 00:10:02,682 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 00:10:02,682 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-12 00:10:02,685 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:10:02 BoogieIcfgContainer [2023-11-12 00:10:02,685 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 00:10:02,689 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-12 00:10:02,689 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-12 00:10:02,693 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-12 00:10:02,693 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 12:10:00" (1/3) ... [2023-11-12 00:10:02,694 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e5bd909 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:10:02, skipping insertion in model container [2023-11-12 00:10:02,695 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:10:01" (2/3) ... [2023-11-12 00:10:02,697 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e5bd909 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:10:02, skipping insertion in model container [2023-11-12 00:10:02,697 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:10:02" (3/3) ... [2023-11-12 00:10:02,699 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_100-1loop_file-26.i [2023-11-12 00:10:02,748 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-12 00:10:02,748 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-12 00:10:02,801 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-12 00:10:02,808 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@144d80ca, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-12 00:10:02,809 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-12 00:10:02,813 INFO L276 IsEmpty]: Start isEmpty. Operand has 55 states, 22 states have (on average 1.1363636363636365) internal successors, (25), 23 states have internal predecessors, (25), 30 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2023-11-12 00:10:02,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2023-11-12 00:10:02,828 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:10:02,828 INFO L195 NwaCegarLoop]: trace histogram [30, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 00:10:02,829 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 00:10:02,835 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:10:02,835 INFO L85 PathProgramCache]: Analyzing trace with hash 1779538788, now seen corresponding path program 1 times [2023-11-12 00:10:02,846 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-12 00:10:02,847 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2132409223] [2023-11-12 00:10:02,847 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:10:02,848 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:10:03,077 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-12 00:10:03,078 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1359208218] [2023-11-12 00:10:03,078 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:10:03,079 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 00:10:03,079 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c791dab-cc8c-42fa-b7be-29a581598434/bin/utaipan-verify-NcY6lQBIFX/z3 [2023-11-12 00:10:03,084 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c791dab-cc8c-42fa-b7be-29a581598434/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-12 00:10:03,092 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c791dab-cc8c-42fa-b7be-29a581598434/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-12 00:10:03,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 00:10:03,561 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-12 00:10:05,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 00:10:05,259 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-11-12 00:10:05,262 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-12 00:10:05,264 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-12 00:10:05,281 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c791dab-cc8c-42fa-b7be-29a581598434/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-12 00:10:05,475 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c791dab-cc8c-42fa-b7be-29a581598434/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-11-12 00:10:05,480 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-12 00:10:05,490 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-11-12 00:10:05,650 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.11 12:10:05 BoogieIcfgContainer [2023-11-12 00:10:05,651 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-12 00:10:05,651 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-12 00:10:05,651 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-12 00:10:05,651 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-12 00:10:05,652 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:10:02" (3/4) ... [2023-11-12 00:10:05,654 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-12 00:10:05,655 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-12 00:10:05,657 INFO L158 Benchmark]: Toolchain (without parser) took 4934.22ms. Allocated memory was 174.1MB in the beginning and 228.6MB in the end (delta: 54.5MB). Free memory was 143.8MB in the beginning and 135.3MB in the end (delta: 8.5MB). Peak memory consumption was 66.0MB. Max. memory is 16.1GB. [2023-11-12 00:10:05,657 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 117.4MB. Free memory is still 75.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 00:10:05,658 INFO L158 Benchmark]: CACSL2BoogieTranslator took 421.25ms. Allocated memory is still 174.1MB. Free memory was 143.2MB in the beginning and 126.4MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-12 00:10:05,659 INFO L158 Benchmark]: Boogie Procedure Inliner took 92.04ms. Allocated memory is still 174.1MB. Free memory was 126.4MB in the beginning and 120.8MB in the end (delta: 5.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-12 00:10:05,659 INFO L158 Benchmark]: Boogie Preprocessor took 61.55ms. Allocated memory is still 174.1MB. Free memory was 120.8MB in the beginning and 118.6MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-12 00:10:05,660 INFO L158 Benchmark]: RCFGBuilder took 1380.80ms. Allocated memory is still 174.1MB. Free memory was 118.5MB in the beginning and 72.8MB in the end (delta: 45.8MB). Peak memory consumption was 47.0MB. Max. memory is 16.1GB. [2023-11-12 00:10:05,661 INFO L158 Benchmark]: TraceAbstraction took 2961.50ms. Allocated memory was 174.1MB in the beginning and 228.6MB in the end (delta: 54.5MB). Free memory was 71.9MB in the beginning and 135.3MB in the end (delta: -63.4MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 00:10:05,661 INFO L158 Benchmark]: Witness Printer took 4.46ms. Allocated memory is still 228.6MB. Free memory is still 135.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 00:10:05,665 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 117.4MB. Free memory is still 75.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 421.25ms. Allocated memory is still 174.1MB. Free memory was 143.2MB in the beginning and 126.4MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 92.04ms. Allocated memory is still 174.1MB. Free memory was 126.4MB in the beginning and 120.8MB in the end (delta: 5.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 61.55ms. Allocated memory is still 174.1MB. Free memory was 120.8MB in the beginning and 118.6MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1380.80ms. Allocated memory is still 174.1MB. Free memory was 118.5MB in the beginning and 72.8MB in the end (delta: 45.8MB). Peak memory consumption was 47.0MB. Max. memory is 16.1GB. * TraceAbstraction took 2961.50ms. Allocated memory was 174.1MB in the beginning and 228.6MB in the end (delta: 54.5MB). Free memory was 71.9MB in the beginning and 135.3MB in the end (delta: -63.4MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.46ms. Allocated memory is still 228.6MB. Free memory is still 135.3MB. 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 205, overapproximation of shiftLeft at line 131, overapproximation of someBinaryArithmeticFLOAToperation at line 132. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned short int var_1_1 = 1; [L23] unsigned short int var_1_3 = 36007; [L24] unsigned short int var_1_5 = 32; [L25] unsigned short int var_1_6 = 128; [L26] unsigned char var_1_8 = 1; [L27] unsigned char var_1_9 = 1; [L28] unsigned long int var_1_10 = 128; [L29] unsigned short int var_1_11 = 1; [L30] signed char var_1_12 = 50; [L31] signed char var_1_13 = -10; [L32] signed char var_1_14 = 1; [L33] signed char var_1_15 = 0; [L34] signed char var_1_16 = -5; [L35] signed short int var_1_17 = -32; [L36] unsigned short int var_1_19 = 10; [L37] signed char var_1_20 = 2; [L38] signed char var_1_22 = 16; [L39] float var_1_23 = 3.225; [L40] unsigned char var_1_24 = 128; [L41] float var_1_25 = 127.875; [L42] float var_1_26 = 7.6; [L43] unsigned char var_1_27 = 1; [L44] unsigned char var_1_28 = 0; [L45] signed char var_1_29 = 32; [L46] unsigned char var_1_30 = 64; [L47] unsigned char var_1_31 = 64; [L48] unsigned char var_1_32 = 100; [L49] unsigned char var_1_33 = 2; [L50] unsigned char var_1_34 = 10; [L51] signed short int var_1_35 = 200; [L52] signed char var_1_36 = -10; [L53] unsigned long int last_1_var_1_10 = 128; [L54] unsigned short int last_1_var_1_11 = 1; [L55] unsigned char last_1_var_1_30 = 64; [L56] signed short int last_1_var_1_35 = 200; [L209] isInitial = 1 [L210] FCALL initially() [L211] int k_loop; [L212] k_loop = 0 VAL [isInitial=1, k_loop=0, last_1_var_1_10=128, last_1_var_1_11=1, last_1_var_1_30=64, last_1_var_1_35=200, var_1_10=128, var_1_11=1, var_1_12=50, var_1_13=-10, var_1_14=1, var_1_15=0, var_1_16=-5, var_1_17=-32, var_1_19=10, var_1_1=1, var_1_20=2, var_1_22=16, var_1_23=129/40, var_1_24=128, var_1_25=1023/8, var_1_26=38/5, var_1_27=1, var_1_28=0, var_1_29=32, var_1_30=64, var_1_31=64, var_1_32=100, var_1_33=2, var_1_34=10, var_1_35=200, var_1_36=-10, var_1_3=36007, var_1_5=32, var_1_6=128, var_1_8=1, var_1_9=1] [L212] COND TRUE k_loop < 1 [L213] CALL updateLastVariables() [L199] last_1_var_1_10 = var_1_10 [L200] last_1_var_1_11 = var_1_11 [L201] last_1_var_1_30 = var_1_30 [L202] last_1_var_1_35 = var_1_35 [L213] RET updateLastVariables() [L214] CALL updateVariables() [L151] var_1_3 = __VERIFIER_nondet_ushort() [L152] CALL assume_abort_if_not(var_1_3 >= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_11=1, last_1_var_1_30=64, last_1_var_1_35=200, var_1_10=128, var_1_11=1, var_1_12=50, var_1_13=-10, var_1_14=1, var_1_15=0, var_1_16=-5, var_1_17=-32, var_1_19=10, var_1_1=1, var_1_20=2, var_1_22=16, var_1_23=129/40, var_1_24=128, var_1_25=1023/8, var_1_26=38/5, var_1_27=1, var_1_28=0, var_1_29=32, var_1_30=64, var_1_31=64, var_1_32=100, var_1_33=2, var_1_34=10, var_1_35=200, var_1_36=-10, var_1_3=32782, var_1_5=32, var_1_6=128, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) [L152] RET assume_abort_if_not(var_1_3 >= 32767) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_11=1, last_1_var_1_30=64, last_1_var_1_35=200, var_1_10=128, var_1_11=1, var_1_12=50, var_1_13=-10, var_1_14=1, var_1_15=0, var_1_16=-5, var_1_17=-32, var_1_19=10, var_1_1=1, var_1_20=2, var_1_22=16, var_1_23=129/40, var_1_24=128, var_1_25=1023/8, var_1_26=38/5, var_1_27=1, var_1_28=0, var_1_29=32, var_1_30=64, var_1_31=64, var_1_32=100, var_1_33=2, var_1_34=10, var_1_35=200, var_1_36=-10, var_1_3=32782, var_1_5=32, var_1_6=128, var_1_8=1, var_1_9=1] [L153] CALL assume_abort_if_not(var_1_3 <= 65534) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_11=1, last_1_var_1_30=64, last_1_var_1_35=200, var_1_10=128, var_1_11=1, var_1_12=50, var_1_13=-10, var_1_14=1, var_1_15=0, var_1_16=-5, var_1_17=-32, var_1_19=10, var_1_1=1, var_1_20=2, var_1_22=16, var_1_23=129/40, var_1_24=128, var_1_25=1023/8, var_1_26=38/5, var_1_27=1, var_1_28=0, var_1_29=32, var_1_30=64, var_1_31=64, var_1_32=100, var_1_33=2, var_1_34=10, var_1_35=200, var_1_36=-10, var_1_3=32782, var_1_5=32, var_1_6=128, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) [L153] RET assume_abort_if_not(var_1_3 <= 65534) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_11=1, last_1_var_1_30=64, last_1_var_1_35=200, var_1_10=128, var_1_11=1, var_1_12=50, var_1_13=-10, var_1_14=1, var_1_15=0, var_1_16=-5, var_1_17=-32, var_1_19=10, var_1_1=1, var_1_20=2, var_1_22=16, var_1_23=129/40, var_1_24=128, var_1_25=1023/8, var_1_26=38/5, var_1_27=1, var_1_28=0, var_1_29=32, var_1_30=64, var_1_31=64, var_1_32=100, var_1_33=2, var_1_34=10, var_1_35=200, var_1_36=-10, var_1_3=32782, var_1_5=32, var_1_6=128, var_1_8=1, var_1_9=1] [L154] var_1_5 = __VERIFIER_nondet_ushort() [L155] CALL assume_abort_if_not(var_1_5 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_11=1, last_1_var_1_30=64, last_1_var_1_35=200, var_1_10=128, var_1_11=1, var_1_12=50, var_1_13=-10, var_1_14=1, var_1_15=0, var_1_16=-5, var_1_17=-32, var_1_19=10, var_1_1=1, var_1_20=2, var_1_22=16, var_1_23=129/40, var_1_24=128, var_1_25=1023/8, var_1_26=38/5, var_1_27=1, var_1_28=0, var_1_29=32, var_1_30=64, var_1_31=64, var_1_32=100, var_1_33=2, var_1_34=10, var_1_35=200, var_1_36=-10, var_1_3=32782, var_1_5=32768, var_1_6=128, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) [L155] RET assume_abort_if_not(var_1_5 >= 1) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_11=1, last_1_var_1_30=64, last_1_var_1_35=200, var_1_10=128, var_1_11=1, var_1_12=50, var_1_13=-10, var_1_14=1, var_1_15=0, var_1_16=-5, var_1_17=-32, var_1_19=10, var_1_1=1, var_1_20=2, var_1_22=16, var_1_23=129/40, var_1_24=128, var_1_25=1023/8, var_1_26=38/5, var_1_27=1, var_1_28=0, var_1_29=32, var_1_30=64, var_1_31=64, var_1_32=100, var_1_33=2, var_1_34=10, var_1_35=200, var_1_36=-10, var_1_3=32782, var_1_5=32768, var_1_6=128, var_1_8=1, var_1_9=1] [L156] CALL assume_abort_if_not(var_1_5 <= 32768) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_11=1, last_1_var_1_30=64, last_1_var_1_35=200, var_1_10=128, var_1_11=1, var_1_12=50, var_1_13=-10, var_1_14=1, var_1_15=0, var_1_16=-5, var_1_17=-32, var_1_19=10, var_1_1=1, var_1_20=2, var_1_22=16, var_1_23=129/40, var_1_24=128, var_1_25=1023/8, var_1_26=38/5, var_1_27=1, var_1_28=0, var_1_29=32, var_1_30=64, var_1_31=64, var_1_32=100, var_1_33=2, var_1_34=10, var_1_35=200, var_1_36=-10, var_1_3=32782, var_1_5=32768, var_1_6=128, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) [L156] RET assume_abort_if_not(var_1_5 <= 32768) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_11=1, last_1_var_1_30=64, last_1_var_1_35=200, var_1_10=128, var_1_11=1, var_1_12=50, var_1_13=-10, var_1_14=1, var_1_15=0, var_1_16=-5, var_1_17=-32, var_1_19=10, var_1_1=1, var_1_20=2, var_1_22=16, var_1_23=129/40, var_1_24=128, var_1_25=1023/8, var_1_26=38/5, var_1_27=1, var_1_28=0, var_1_29=32, var_1_30=64, var_1_31=64, var_1_32=100, var_1_33=2, var_1_34=10, var_1_35=200, var_1_36=-10, var_1_3=32782, var_1_5=32768, var_1_6=128, var_1_8=1, var_1_9=1] [L157] var_1_6 = __VERIFIER_nondet_ushort() [L158] CALL assume_abort_if_not(var_1_6 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_11=1, last_1_var_1_30=64, last_1_var_1_35=200, var_1_10=128, var_1_11=1, var_1_12=50, var_1_13=-10, var_1_14=1, var_1_15=0, var_1_16=-5, var_1_17=-32, var_1_19=10, var_1_1=1, var_1_20=2, var_1_22=16, var_1_23=129/40, var_1_24=128, var_1_25=1023/8, var_1_26=38/5, var_1_27=1, var_1_28=0, var_1_29=32, var_1_30=64, var_1_31=64, var_1_32=100, var_1_33=2, var_1_34=10, var_1_35=200, var_1_36=-10, var_1_3=32782, var_1_5=32768, var_1_6=32767, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) [L158] RET assume_abort_if_not(var_1_6 >= 1) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_11=1, last_1_var_1_30=64, last_1_var_1_35=200, var_1_10=128, var_1_11=1, var_1_12=50, var_1_13=-10, var_1_14=1, var_1_15=0, var_1_16=-5, var_1_17=-32, var_1_19=10, var_1_1=1, var_1_20=2, var_1_22=16, var_1_23=129/40, var_1_24=128, var_1_25=1023/8, var_1_26=38/5, var_1_27=1, var_1_28=0, var_1_29=32, var_1_30=64, var_1_31=64, var_1_32=100, var_1_33=2, var_1_34=10, var_1_35=200, var_1_36=-10, var_1_3=32782, var_1_5=32768, var_1_6=32767, var_1_8=1, var_1_9=1] [L159] CALL assume_abort_if_not(var_1_6 <= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_11=1, last_1_var_1_30=64, last_1_var_1_35=200, var_1_10=128, var_1_11=1, var_1_12=50, var_1_13=-10, var_1_14=1, var_1_15=0, var_1_16=-5, var_1_17=-32, var_1_19=10, var_1_1=1, var_1_20=2, var_1_22=16, var_1_23=129/40, var_1_24=128, var_1_25=1023/8, var_1_26=38/5, var_1_27=1, var_1_28=0, var_1_29=32, var_1_30=64, var_1_31=64, var_1_32=100, var_1_33=2, var_1_34=10, var_1_35=200, var_1_36=-10, var_1_3=32782, var_1_5=32768, var_1_6=32767, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) [L159] RET assume_abort_if_not(var_1_6 <= 32767) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_11=1, last_1_var_1_30=64, last_1_var_1_35=200, var_1_10=128, var_1_11=1, var_1_12=50, var_1_13=-10, var_1_14=1, var_1_15=0, var_1_16=-5, var_1_17=-32, var_1_19=10, var_1_1=1, var_1_20=2, var_1_22=16, var_1_23=129/40, var_1_24=128, var_1_25=1023/8, var_1_26=38/5, var_1_27=1, var_1_28=0, var_1_29=32, var_1_30=64, var_1_31=64, var_1_32=100, var_1_33=2, var_1_34=10, var_1_35=200, var_1_36=-10, var_1_3=32782, var_1_5=32768, var_1_6=32767, var_1_8=1, var_1_9=1] [L160] var_1_9 = __VERIFIER_nondet_uchar() [L161] CALL assume_abort_if_not(var_1_9 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_11=1, last_1_var_1_30=64, last_1_var_1_35=200, var_1_10=128, var_1_11=1, var_1_12=50, var_1_13=-10, var_1_14=1, var_1_15=0, var_1_16=-5, var_1_17=-32, var_1_19=10, var_1_1=1, var_1_20=2, var_1_22=16, var_1_23=129/40, var_1_24=128, var_1_25=1023/8, var_1_26=38/5, var_1_27=1, var_1_28=0, var_1_29=32, var_1_30=64, var_1_31=64, var_1_32=100, var_1_33=2, var_1_34=10, var_1_35=200, var_1_36=-10, var_1_3=32782, var_1_5=32768, var_1_6=32767, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) [L161] RET assume_abort_if_not(var_1_9 >= 1) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_11=1, last_1_var_1_30=64, last_1_var_1_35=200, var_1_10=128, var_1_11=1, var_1_12=50, var_1_13=-10, var_1_14=1, var_1_15=0, var_1_16=-5, var_1_17=-32, var_1_19=10, var_1_1=1, var_1_20=2, var_1_22=16, var_1_23=129/40, var_1_24=128, var_1_25=1023/8, var_1_26=38/5, var_1_27=1, var_1_28=0, var_1_29=32, var_1_30=64, var_1_31=64, var_1_32=100, var_1_33=2, var_1_34=10, var_1_35=200, var_1_36=-10, var_1_3=32782, var_1_5=32768, var_1_6=32767, var_1_8=1, var_1_9=1] [L162] CALL assume_abort_if_not(var_1_9 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_11=1, last_1_var_1_30=64, last_1_var_1_35=200, var_1_10=128, var_1_11=1, var_1_12=50, var_1_13=-10, var_1_14=1, var_1_15=0, var_1_16=-5, var_1_17=-32, var_1_19=10, var_1_1=1, var_1_20=2, var_1_22=16, var_1_23=129/40, var_1_24=128, var_1_25=1023/8, var_1_26=38/5, var_1_27=1, var_1_28=0, var_1_29=32, var_1_30=64, var_1_31=64, var_1_32=100, var_1_33=2, var_1_34=10, var_1_35=200, var_1_36=-10, var_1_3=32782, var_1_5=32768, var_1_6=32767, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) [L162] RET assume_abort_if_not(var_1_9 <= 1) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_11=1, last_1_var_1_30=64, last_1_var_1_35=200, var_1_10=128, var_1_11=1, var_1_12=50, var_1_13=-10, var_1_14=1, var_1_15=0, var_1_16=-5, var_1_17=-32, var_1_19=10, var_1_1=1, var_1_20=2, var_1_22=16, var_1_23=129/40, var_1_24=128, var_1_25=1023/8, var_1_26=38/5, var_1_27=1, var_1_28=0, var_1_29=32, var_1_30=64, var_1_31=64, var_1_32=100, var_1_33=2, var_1_34=10, var_1_35=200, var_1_36=-10, var_1_3=32782, var_1_5=32768, var_1_6=32767, var_1_8=1, var_1_9=1] [L163] var_1_13 = __VERIFIER_nondet_char() [L164] CALL assume_abort_if_not(var_1_13 >= -126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_11=1, last_1_var_1_30=64, last_1_var_1_35=200, var_1_10=128, var_1_11=1, var_1_12=50, var_1_13=63, var_1_14=1, var_1_15=0, var_1_16=-5, var_1_17=-32, var_1_19=10, var_1_1=1, var_1_20=2, var_1_22=16, var_1_23=129/40, var_1_24=128, var_1_25=1023/8, var_1_26=38/5, var_1_27=1, var_1_28=0, var_1_29=32, var_1_30=64, var_1_31=64, var_1_32=100, var_1_33=2, var_1_34=10, var_1_35=200, var_1_36=-10, var_1_3=32782, var_1_5=32768, var_1_6=32767, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) [L164] RET assume_abort_if_not(var_1_13 >= -126) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_11=1, last_1_var_1_30=64, last_1_var_1_35=200, var_1_10=128, var_1_11=1, var_1_12=50, var_1_13=63, var_1_14=1, var_1_15=0, var_1_16=-5, var_1_17=-32, var_1_19=10, var_1_1=1, var_1_20=2, var_1_22=16, var_1_23=129/40, var_1_24=128, var_1_25=1023/8, var_1_26=38/5, var_1_27=1, var_1_28=0, var_1_29=32, var_1_30=64, var_1_31=64, var_1_32=100, var_1_33=2, var_1_34=10, var_1_35=200, var_1_36=-10, var_1_3=32782, var_1_5=32768, var_1_6=32767, var_1_8=1, var_1_9=1] [L165] CALL assume_abort_if_not(var_1_13 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_11=1, last_1_var_1_30=64, last_1_var_1_35=200, var_1_10=128, var_1_11=1, var_1_12=50, var_1_13=63, var_1_14=1, var_1_15=0, var_1_16=-5, var_1_17=-32, var_1_19=10, var_1_1=1, var_1_20=2, var_1_22=16, var_1_23=129/40, var_1_24=128, var_1_25=1023/8, var_1_26=38/5, var_1_27=1, var_1_28=0, var_1_29=32, var_1_30=64, var_1_31=64, var_1_32=100, var_1_33=2, var_1_34=10, var_1_35=200, var_1_36=-10, var_1_3=32782, var_1_5=32768, var_1_6=32767, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) [L165] RET assume_abort_if_not(var_1_13 <= 126) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_11=1, last_1_var_1_30=64, last_1_var_1_35=200, var_1_10=128, var_1_11=1, var_1_12=50, var_1_13=63, var_1_14=1, var_1_15=0, var_1_16=-5, var_1_17=-32, var_1_19=10, var_1_1=1, var_1_20=2, var_1_22=16, var_1_23=129/40, var_1_24=128, var_1_25=1023/8, var_1_26=38/5, var_1_27=1, var_1_28=0, var_1_29=32, var_1_30=64, var_1_31=64, var_1_32=100, var_1_33=2, var_1_34=10, var_1_35=200, var_1_36=-10, var_1_3=32782, var_1_5=32768, var_1_6=32767, var_1_8=1, var_1_9=1] [L166] var_1_14 = __VERIFIER_nondet_char() [L167] CALL assume_abort_if_not(var_1_14 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_11=1, last_1_var_1_30=64, last_1_var_1_35=200, var_1_10=128, var_1_11=1, var_1_12=50, var_1_13=63, var_1_14=0, var_1_15=0, var_1_16=-5, var_1_17=-32, var_1_19=10, var_1_1=1, var_1_20=2, var_1_22=16, var_1_23=129/40, var_1_24=128, var_1_25=1023/8, var_1_26=38/5, var_1_27=1, var_1_28=0, var_1_29=32, var_1_30=64, var_1_31=64, var_1_32=100, var_1_33=2, var_1_34=10, var_1_35=200, var_1_36=-10, var_1_3=32782, var_1_5=32768, var_1_6=32767, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) [L167] RET assume_abort_if_not(var_1_14 >= 0) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_11=1, last_1_var_1_30=64, last_1_var_1_35=200, var_1_10=128, var_1_11=1, var_1_12=50, var_1_13=63, var_1_14=0, var_1_15=0, var_1_16=-5, var_1_17=-32, var_1_19=10, var_1_1=1, var_1_20=2, var_1_22=16, var_1_23=129/40, var_1_24=128, var_1_25=1023/8, var_1_26=38/5, var_1_27=1, var_1_28=0, var_1_29=32, var_1_30=64, var_1_31=64, var_1_32=100, var_1_33=2, var_1_34=10, var_1_35=200, var_1_36=-10, var_1_3=32782, var_1_5=32768, var_1_6=32767, var_1_8=1, var_1_9=1] [L168] CALL assume_abort_if_not(var_1_14 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_11=1, last_1_var_1_30=64, last_1_var_1_35=200, var_1_10=128, var_1_11=1, var_1_12=50, var_1_13=63, var_1_14=0, var_1_15=0, var_1_16=-5, var_1_17=-32, var_1_19=10, var_1_1=1, var_1_20=2, var_1_22=16, var_1_23=129/40, var_1_24=128, var_1_25=1023/8, var_1_26=38/5, var_1_27=1, var_1_28=0, var_1_29=32, var_1_30=64, var_1_31=64, var_1_32=100, var_1_33=2, var_1_34=10, var_1_35=200, var_1_36=-10, var_1_3=32782, var_1_5=32768, var_1_6=32767, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) [L168] RET assume_abort_if_not(var_1_14 <= 126) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_11=1, last_1_var_1_30=64, last_1_var_1_35=200, var_1_10=128, var_1_11=1, var_1_12=50, var_1_13=63, var_1_14=0, var_1_15=0, var_1_16=-5, var_1_17=-32, var_1_19=10, var_1_1=1, var_1_20=2, var_1_22=16, var_1_23=129/40, var_1_24=128, var_1_25=1023/8, var_1_26=38/5, var_1_27=1, var_1_28=0, var_1_29=32, var_1_30=64, var_1_31=64, var_1_32=100, var_1_33=2, var_1_34=10, var_1_35=200, var_1_36=-10, var_1_3=32782, var_1_5=32768, var_1_6=32767, var_1_8=1, var_1_9=1] [L169] var_1_15 = __VERIFIER_nondet_char() [L170] CALL assume_abort_if_not(var_1_15 >= -63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_11=1, last_1_var_1_30=64, last_1_var_1_35=200, var_1_10=128, var_1_11=1, var_1_12=50, var_1_13=63, var_1_14=0, var_1_15=-63, var_1_16=-5, var_1_17=-32, var_1_19=10, var_1_1=1, var_1_20=2, var_1_22=16, var_1_23=129/40, var_1_24=128, var_1_25=1023/8, var_1_26=38/5, var_1_27=1, var_1_28=0, var_1_29=32, var_1_30=64, var_1_31=64, var_1_32=100, var_1_33=2, var_1_34=10, var_1_35=200, var_1_36=-10, var_1_3=32782, var_1_5=32768, var_1_6=32767, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) [L170] RET assume_abort_if_not(var_1_15 >= -63) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_11=1, last_1_var_1_30=64, last_1_var_1_35=200, var_1_10=128, var_1_11=1, var_1_12=50, var_1_13=63, var_1_14=0, var_1_15=-63, var_1_16=-5, var_1_17=-32, var_1_19=10, var_1_1=1, var_1_20=2, var_1_22=16, var_1_23=129/40, var_1_24=128, var_1_25=1023/8, var_1_26=38/5, var_1_27=1, var_1_28=0, var_1_29=32, var_1_30=64, var_1_31=64, var_1_32=100, var_1_33=2, var_1_34=10, var_1_35=200, var_1_36=-10, var_1_3=32782, var_1_5=32768, var_1_6=32767, var_1_8=1, var_1_9=1] [L171] CALL assume_abort_if_not(var_1_15 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_11=1, last_1_var_1_30=64, last_1_var_1_35=200, var_1_10=128, var_1_11=1, var_1_12=50, var_1_13=63, var_1_14=0, var_1_15=-63, var_1_16=-5, var_1_17=-32, var_1_19=10, var_1_1=1, var_1_20=2, var_1_22=16, var_1_23=129/40, var_1_24=128, var_1_25=1023/8, var_1_26=38/5, var_1_27=1, var_1_28=0, var_1_29=32, var_1_30=64, var_1_31=64, var_1_32=100, var_1_33=2, var_1_34=10, var_1_35=200, var_1_36=-10, var_1_3=32782, var_1_5=32768, var_1_6=32767, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) [L171] RET assume_abort_if_not(var_1_15 <= 63) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_11=1, last_1_var_1_30=64, last_1_var_1_35=200, var_1_10=128, var_1_11=1, var_1_12=50, var_1_13=63, var_1_14=0, var_1_15=-63, var_1_16=-5, var_1_17=-32, var_1_19=10, var_1_1=1, var_1_20=2, var_1_22=16, var_1_23=129/40, var_1_24=128, var_1_25=1023/8, var_1_26=38/5, var_1_27=1, var_1_28=0, var_1_29=32, var_1_30=64, var_1_31=64, var_1_32=100, var_1_33=2, var_1_34=10, var_1_35=200, var_1_36=-10, var_1_3=32782, var_1_5=32768, var_1_6=32767, var_1_8=1, var_1_9=1] [L172] var_1_16 = __VERIFIER_nondet_char() [L173] CALL assume_abort_if_not(var_1_16 >= -63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_11=1, last_1_var_1_30=64, last_1_var_1_35=200, var_1_10=128, var_1_11=1, var_1_12=50, var_1_13=63, var_1_14=0, var_1_15=-63, var_1_16=63, var_1_17=-32, var_1_19=10, var_1_1=1, var_1_20=2, var_1_22=16, var_1_23=129/40, var_1_24=128, var_1_25=1023/8, var_1_26=38/5, var_1_27=1, var_1_28=0, var_1_29=32, var_1_30=64, var_1_31=64, var_1_32=100, var_1_33=2, var_1_34=10, var_1_35=200, var_1_36=-10, var_1_3=32782, var_1_5=32768, var_1_6=32767, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) [L173] RET assume_abort_if_not(var_1_16 >= -63) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_11=1, last_1_var_1_30=64, last_1_var_1_35=200, var_1_10=128, var_1_11=1, var_1_12=50, var_1_13=63, var_1_14=0, var_1_15=-63, var_1_16=63, var_1_17=-32, var_1_19=10, var_1_1=1, var_1_20=2, var_1_22=16, var_1_23=129/40, var_1_24=128, var_1_25=1023/8, var_1_26=38/5, var_1_27=1, var_1_28=0, var_1_29=32, var_1_30=64, var_1_31=64, var_1_32=100, var_1_33=2, var_1_34=10, var_1_35=200, var_1_36=-10, var_1_3=32782, var_1_5=32768, var_1_6=32767, var_1_8=1, var_1_9=1] [L174] CALL assume_abort_if_not(var_1_16 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_11=1, last_1_var_1_30=64, last_1_var_1_35=200, var_1_10=128, var_1_11=1, var_1_12=50, var_1_13=63, var_1_14=0, var_1_15=-63, var_1_16=63, var_1_17=-32, var_1_19=10, var_1_1=1, var_1_20=2, var_1_22=16, var_1_23=129/40, var_1_24=128, var_1_25=1023/8, var_1_26=38/5, var_1_27=1, var_1_28=0, var_1_29=32, var_1_30=64, var_1_31=64, var_1_32=100, var_1_33=2, var_1_34=10, var_1_35=200, var_1_36=-10, var_1_3=32782, var_1_5=32768, var_1_6=32767, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) [L174] RET assume_abort_if_not(var_1_16 <= 63) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_11=1, last_1_var_1_30=64, last_1_var_1_35=200, var_1_10=128, var_1_11=1, var_1_12=50, var_1_13=63, var_1_14=0, var_1_15=-63, var_1_16=63, var_1_17=-32, var_1_19=10, var_1_1=1, var_1_20=2, var_1_22=16, var_1_23=129/40, var_1_24=128, var_1_25=1023/8, var_1_26=38/5, var_1_27=1, var_1_28=0, var_1_29=32, var_1_30=64, var_1_31=64, var_1_32=100, var_1_33=2, var_1_34=10, var_1_35=200, var_1_36=-10, var_1_3=32782, var_1_5=32768, var_1_6=32767, var_1_8=1, var_1_9=1] [L175] var_1_22 = __VERIFIER_nondet_char() [L176] CALL assume_abort_if_not(var_1_22 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_11=1, last_1_var_1_30=64, last_1_var_1_35=200, var_1_10=128, var_1_11=1, var_1_12=50, var_1_13=63, var_1_14=0, var_1_15=-63, var_1_16=63, var_1_17=-32, var_1_19=10, var_1_1=1, var_1_20=2, var_1_22=0, var_1_23=129/40, var_1_24=128, var_1_25=1023/8, var_1_26=38/5, var_1_27=1, var_1_28=0, var_1_29=32, var_1_30=64, var_1_31=64, var_1_32=100, var_1_33=2, var_1_34=10, var_1_35=200, var_1_36=-10, var_1_3=32782, var_1_5=32768, var_1_6=32767, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) [L176] RET assume_abort_if_not(var_1_22 >= 0) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_11=1, last_1_var_1_30=64, last_1_var_1_35=200, var_1_10=128, var_1_11=1, var_1_12=50, var_1_13=63, var_1_14=0, var_1_15=-63, var_1_16=63, var_1_17=-32, var_1_19=10, var_1_1=1, var_1_20=2, var_1_22=0, var_1_23=129/40, var_1_24=128, var_1_25=1023/8, var_1_26=38/5, var_1_27=1, var_1_28=0, var_1_29=32, var_1_30=64, var_1_31=64, var_1_32=100, var_1_33=2, var_1_34=10, var_1_35=200, var_1_36=-10, var_1_3=32782, var_1_5=32768, var_1_6=32767, var_1_8=1, var_1_9=1] [L177] CALL assume_abort_if_not(var_1_22 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_11=1, last_1_var_1_30=64, last_1_var_1_35=200, var_1_10=128, var_1_11=1, var_1_12=50, var_1_13=63, var_1_14=0, var_1_15=-63, var_1_16=63, var_1_17=-32, var_1_19=10, var_1_1=1, var_1_20=2, var_1_22=0, var_1_23=129/40, var_1_24=128, var_1_25=1023/8, var_1_26=38/5, var_1_27=1, var_1_28=0, var_1_29=32, var_1_30=64, var_1_31=64, var_1_32=100, var_1_33=2, var_1_34=10, var_1_35=200, var_1_36=-10, var_1_3=32782, var_1_5=32768, var_1_6=32767, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) [L177] RET assume_abort_if_not(var_1_22 <= 126) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_11=1, last_1_var_1_30=64, last_1_var_1_35=200, var_1_10=128, var_1_11=1, var_1_12=50, var_1_13=63, var_1_14=0, var_1_15=-63, var_1_16=63, var_1_17=-32, var_1_19=10, var_1_1=1, var_1_20=2, var_1_22=0, var_1_23=129/40, var_1_24=128, var_1_25=1023/8, var_1_26=38/5, var_1_27=1, var_1_28=0, var_1_29=32, var_1_30=64, var_1_31=64, var_1_32=100, var_1_33=2, var_1_34=10, var_1_35=200, var_1_36=-10, var_1_3=32782, var_1_5=32768, var_1_6=32767, var_1_8=1, var_1_9=1] [L178] var_1_24 = __VERIFIER_nondet_uchar() [L179] CALL assume_abort_if_not(var_1_24 >= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_11=1, last_1_var_1_30=64, last_1_var_1_35=200, var_1_10=128, var_1_11=1, var_1_12=50, var_1_13=63, var_1_14=0, var_1_15=-63, var_1_16=63, var_1_17=-32, var_1_19=10, var_1_1=1, var_1_20=2, var_1_22=0, var_1_23=129/40, var_1_24=127, var_1_25=1023/8, var_1_26=38/5, var_1_27=1, var_1_28=0, var_1_29=32, var_1_30=64, var_1_31=64, var_1_32=100, var_1_33=2, var_1_34=10, var_1_35=200, var_1_36=-10, var_1_3=32782, var_1_5=32768, var_1_6=32767, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) [L179] RET assume_abort_if_not(var_1_24 >= 127) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_11=1, last_1_var_1_30=64, last_1_var_1_35=200, var_1_10=128, var_1_11=1, var_1_12=50, var_1_13=63, var_1_14=0, var_1_15=-63, var_1_16=63, var_1_17=-32, var_1_19=10, var_1_1=1, var_1_20=2, var_1_22=0, var_1_23=129/40, var_1_24=127, var_1_25=1023/8, var_1_26=38/5, var_1_27=1, var_1_28=0, var_1_29=32, var_1_30=64, var_1_31=64, var_1_32=100, var_1_33=2, var_1_34=10, var_1_35=200, var_1_36=-10, var_1_3=32782, var_1_5=32768, var_1_6=32767, var_1_8=1, var_1_9=1] [L180] CALL assume_abort_if_not(var_1_24 <= 255) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_11=1, last_1_var_1_30=64, last_1_var_1_35=200, var_1_10=128, var_1_11=1, var_1_12=50, var_1_13=63, var_1_14=0, var_1_15=-63, var_1_16=63, var_1_17=-32, var_1_19=10, var_1_1=1, var_1_20=2, var_1_22=0, var_1_23=129/40, var_1_24=127, var_1_25=1023/8, var_1_26=38/5, var_1_27=1, var_1_28=0, var_1_29=32, var_1_30=64, var_1_31=64, var_1_32=100, var_1_33=2, var_1_34=10, var_1_35=200, var_1_36=-10, var_1_3=32782, var_1_5=32768, var_1_6=32767, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) [L180] RET assume_abort_if_not(var_1_24 <= 255) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_11=1, last_1_var_1_30=64, last_1_var_1_35=200, var_1_10=128, var_1_11=1, var_1_12=50, var_1_13=63, var_1_14=0, var_1_15=-63, var_1_16=63, var_1_17=-32, var_1_19=10, var_1_1=1, var_1_20=2, var_1_22=0, var_1_23=129/40, var_1_24=127, var_1_25=1023/8, var_1_26=38/5, var_1_27=1, var_1_28=0, var_1_29=32, var_1_30=64, var_1_31=64, var_1_32=100, var_1_33=2, var_1_34=10, var_1_35=200, var_1_36=-10, var_1_3=32782, var_1_5=32768, var_1_6=32767, var_1_8=1, var_1_9=1] [L181] var_1_25 = __VERIFIER_nondet_float() [L182] CALL assume_abort_if_not((var_1_25 >= -461168.6018427382800e+13F && var_1_25 <= -1.0e-20F) || (var_1_25 <= 4611686.018427382800e+12F && var_1_25 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_11=1, last_1_var_1_30=64, last_1_var_1_35=200, var_1_10=128, var_1_11=1, var_1_12=50, var_1_13=63, var_1_14=0, var_1_15=-63, var_1_16=63, var_1_17=-32, var_1_19=10, var_1_1=1, var_1_20=2, var_1_22=0, var_1_23=129/40, var_1_24=127, var_1_25=2, var_1_26=38/5, var_1_27=1, var_1_28=0, var_1_29=32, var_1_30=64, var_1_31=64, var_1_32=100, var_1_33=2, var_1_34=10, var_1_35=200, var_1_36=-10, var_1_3=32782, var_1_5=32768, var_1_6=32767, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) [L182] RET assume_abort_if_not((var_1_25 >= -461168.6018427382800e+13F && var_1_25 <= -1.0e-20F) || (var_1_25 <= 4611686.018427382800e+12F && var_1_25 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_11=1, last_1_var_1_30=64, last_1_var_1_35=200, var_1_10=128, var_1_11=1, var_1_12=50, var_1_13=63, var_1_14=0, var_1_15=-63, var_1_16=63, var_1_17=-32, var_1_19=10, var_1_1=1, var_1_20=2, var_1_22=0, var_1_23=129/40, var_1_24=127, var_1_25=2, var_1_26=38/5, var_1_27=1, var_1_28=0, var_1_29=32, var_1_30=64, var_1_31=64, var_1_32=100, var_1_33=2, var_1_34=10, var_1_35=200, var_1_36=-10, var_1_3=32782, var_1_5=32768, var_1_6=32767, var_1_8=1, var_1_9=1] [L183] var_1_26 = __VERIFIER_nondet_float() [L184] CALL assume_abort_if_not((var_1_26 >= -461168.6018427382800e+13F && var_1_26 <= -1.0e-20F) || (var_1_26 <= 4611686.018427382800e+12F && var_1_26 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_11=1, last_1_var_1_30=64, last_1_var_1_35=200, var_1_10=128, var_1_11=1, var_1_12=50, var_1_13=63, var_1_14=0, var_1_15=-63, var_1_16=63, var_1_17=-32, var_1_19=10, var_1_1=1, var_1_20=2, var_1_22=0, var_1_23=129/40, var_1_24=127, var_1_25=2, var_1_26=3, var_1_27=1, var_1_28=0, var_1_29=32, var_1_30=64, var_1_31=64, var_1_32=100, var_1_33=2, var_1_34=10, var_1_35=200, var_1_36=-10, var_1_3=32782, var_1_5=32768, var_1_6=32767, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) [L184] RET assume_abort_if_not((var_1_26 >= -461168.6018427382800e+13F && var_1_26 <= -1.0e-20F) || (var_1_26 <= 4611686.018427382800e+12F && var_1_26 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_11=1, last_1_var_1_30=64, last_1_var_1_35=200, var_1_10=128, var_1_11=1, var_1_12=50, var_1_13=63, var_1_14=0, var_1_15=-63, var_1_16=63, var_1_17=-32, var_1_19=10, var_1_1=1, var_1_20=2, var_1_22=0, var_1_23=129/40, var_1_24=127, var_1_25=2, var_1_26=3, var_1_27=1, var_1_28=0, var_1_29=32, var_1_30=64, var_1_31=64, var_1_32=100, var_1_33=2, var_1_34=10, var_1_35=200, var_1_36=-10, var_1_3=32782, var_1_5=32768, var_1_6=32767, var_1_8=1, var_1_9=1] [L185] var_1_28 = __VERIFIER_nondet_uchar() [L186] CALL assume_abort_if_not(var_1_28 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_11=1, last_1_var_1_30=64, last_1_var_1_35=200, var_1_10=128, var_1_11=1, var_1_12=50, var_1_13=63, var_1_14=0, var_1_15=-63, var_1_16=63, var_1_17=-32, var_1_19=10, var_1_1=1, var_1_20=2, var_1_22=0, var_1_23=129/40, var_1_24=127, var_1_25=2, var_1_26=3, var_1_27=1, var_1_28=0, var_1_29=32, var_1_30=64, var_1_31=64, var_1_32=100, var_1_33=2, var_1_34=10, var_1_35=200, var_1_36=-10, var_1_3=32782, var_1_5=32768, var_1_6=32767, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) [L186] RET assume_abort_if_not(var_1_28 >= 0) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_11=1, last_1_var_1_30=64, last_1_var_1_35=200, var_1_10=128, var_1_11=1, var_1_12=50, var_1_13=63, var_1_14=0, var_1_15=-63, var_1_16=63, var_1_17=-32, var_1_19=10, var_1_1=1, var_1_20=2, var_1_22=0, var_1_23=129/40, var_1_24=127, var_1_25=2, var_1_26=3, var_1_27=1, var_1_28=0, var_1_29=32, var_1_30=64, var_1_31=64, var_1_32=100, var_1_33=2, var_1_34=10, var_1_35=200, var_1_36=-10, var_1_3=32782, var_1_5=32768, var_1_6=32767, var_1_8=1, var_1_9=1] [L187] CALL assume_abort_if_not(var_1_28 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_11=1, last_1_var_1_30=64, last_1_var_1_35=200, var_1_10=128, var_1_11=1, var_1_12=50, var_1_13=63, var_1_14=0, var_1_15=-63, var_1_16=63, var_1_17=-32, var_1_19=10, var_1_1=1, var_1_20=2, var_1_22=0, var_1_23=129/40, var_1_24=127, var_1_25=2, var_1_26=3, var_1_27=1, var_1_28=0, var_1_29=32, var_1_30=64, var_1_31=64, var_1_32=100, var_1_33=2, var_1_34=10, var_1_35=200, var_1_36=-10, var_1_3=32782, var_1_5=32768, var_1_6=32767, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) [L187] RET assume_abort_if_not(var_1_28 <= 0) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_11=1, last_1_var_1_30=64, last_1_var_1_35=200, var_1_10=128, var_1_11=1, var_1_12=50, var_1_13=63, var_1_14=0, var_1_15=-63, var_1_16=63, var_1_17=-32, var_1_19=10, var_1_1=1, var_1_20=2, var_1_22=0, var_1_23=129/40, var_1_24=127, var_1_25=2, var_1_26=3, var_1_27=1, var_1_28=0, var_1_29=32, var_1_30=64, var_1_31=64, var_1_32=100, var_1_33=2, var_1_34=10, var_1_35=200, var_1_36=-10, var_1_3=32782, var_1_5=32768, var_1_6=32767, var_1_8=1, var_1_9=1] [L188] var_1_31 = __VERIFIER_nondet_uchar() [L189] CALL assume_abort_if_not(var_1_31 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_11=1, last_1_var_1_30=64, last_1_var_1_35=200, var_1_10=128, var_1_11=1, var_1_12=50, var_1_13=63, var_1_14=0, var_1_15=-63, var_1_16=63, var_1_17=-32, var_1_19=10, var_1_1=1, var_1_20=2, var_1_22=0, var_1_23=129/40, var_1_24=127, var_1_25=2, var_1_26=3, var_1_27=1, var_1_28=0, var_1_29=32, var_1_30=64, var_1_31=0, var_1_32=100, var_1_33=2, var_1_34=10, var_1_35=200, var_1_36=-10, var_1_3=32782, var_1_5=32768, var_1_6=32767, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) [L189] RET assume_abort_if_not(var_1_31 >= 0) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_11=1, last_1_var_1_30=64, last_1_var_1_35=200, var_1_10=128, var_1_11=1, var_1_12=50, var_1_13=63, var_1_14=0, var_1_15=-63, var_1_16=63, var_1_17=-32, var_1_19=10, var_1_1=1, var_1_20=2, var_1_22=0, var_1_23=129/40, var_1_24=127, var_1_25=2, var_1_26=3, var_1_27=1, var_1_28=0, var_1_29=32, var_1_30=64, var_1_31=0, var_1_32=100, var_1_33=2, var_1_34=10, var_1_35=200, var_1_36=-10, var_1_3=32782, var_1_5=32768, var_1_6=32767, var_1_8=1, var_1_9=1] [L190] CALL assume_abort_if_not(var_1_31 <= 64) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_11=1, last_1_var_1_30=64, last_1_var_1_35=200, var_1_10=128, var_1_11=1, var_1_12=50, var_1_13=63, var_1_14=0, var_1_15=-63, var_1_16=63, var_1_17=-32, var_1_19=10, var_1_1=1, var_1_20=2, var_1_22=0, var_1_23=129/40, var_1_24=127, var_1_25=2, var_1_26=3, var_1_27=1, var_1_28=0, var_1_29=32, var_1_30=64, var_1_31=0, var_1_32=100, var_1_33=2, var_1_34=10, var_1_35=200, var_1_36=-10, var_1_3=32782, var_1_5=32768, var_1_6=32767, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) [L190] RET assume_abort_if_not(var_1_31 <= 64) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_11=1, last_1_var_1_30=64, last_1_var_1_35=200, var_1_10=128, var_1_11=1, var_1_12=50, var_1_13=63, var_1_14=0, var_1_15=-63, var_1_16=63, var_1_17=-32, var_1_19=10, var_1_1=1, var_1_20=2, var_1_22=0, var_1_23=129/40, var_1_24=127, var_1_25=2, var_1_26=3, var_1_27=1, var_1_28=0, var_1_29=32, var_1_30=64, var_1_31=0, var_1_32=100, var_1_33=2, var_1_34=10, var_1_35=200, var_1_36=-10, var_1_3=32782, var_1_5=32768, var_1_6=32767, var_1_8=1, var_1_9=1] [L191] var_1_32 = __VERIFIER_nondet_uchar() [L192] CALL assume_abort_if_not(var_1_32 >= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_11=1, last_1_var_1_30=64, last_1_var_1_35=200, var_1_10=128, var_1_11=1, var_1_12=50, var_1_13=63, var_1_14=0, var_1_15=-63, var_1_16=63, var_1_17=-32, var_1_19=10, var_1_1=1, var_1_20=2, var_1_22=0, var_1_23=129/40, var_1_24=127, var_1_25=2, var_1_26=3, var_1_27=1, var_1_28=0, var_1_29=32, var_1_30=64, var_1_31=0, var_1_32=127, var_1_33=2, var_1_34=10, var_1_35=200, var_1_36=-10, var_1_3=32782, var_1_5=32768, var_1_6=32767, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) [L192] RET assume_abort_if_not(var_1_32 >= 63) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_11=1, last_1_var_1_30=64, last_1_var_1_35=200, var_1_10=128, var_1_11=1, var_1_12=50, var_1_13=63, var_1_14=0, var_1_15=-63, var_1_16=63, var_1_17=-32, var_1_19=10, var_1_1=1, var_1_20=2, var_1_22=0, var_1_23=129/40, var_1_24=127, var_1_25=2, var_1_26=3, var_1_27=1, var_1_28=0, var_1_29=32, var_1_30=64, var_1_31=0, var_1_32=127, var_1_33=2, var_1_34=10, var_1_35=200, var_1_36=-10, var_1_3=32782, var_1_5=32768, var_1_6=32767, var_1_8=1, var_1_9=1] [L193] CALL assume_abort_if_not(var_1_32 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_11=1, last_1_var_1_30=64, last_1_var_1_35=200, var_1_10=128, var_1_11=1, var_1_12=50, var_1_13=63, var_1_14=0, var_1_15=-63, var_1_16=63, var_1_17=-32, var_1_19=10, var_1_1=1, var_1_20=2, var_1_22=0, var_1_23=129/40, var_1_24=127, var_1_25=2, var_1_26=3, var_1_27=1, var_1_28=0, var_1_29=32, var_1_30=64, var_1_31=0, var_1_32=127, var_1_33=2, var_1_34=10, var_1_35=200, var_1_36=-10, var_1_3=32782, var_1_5=32768, var_1_6=32767, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) [L193] RET assume_abort_if_not(var_1_32 <= 127) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_11=1, last_1_var_1_30=64, last_1_var_1_35=200, var_1_10=128, var_1_11=1, var_1_12=50, var_1_13=63, var_1_14=0, var_1_15=-63, var_1_16=63, var_1_17=-32, var_1_19=10, var_1_1=1, var_1_20=2, var_1_22=0, var_1_23=129/40, var_1_24=127, var_1_25=2, var_1_26=3, var_1_27=1, var_1_28=0, var_1_29=32, var_1_30=64, var_1_31=0, var_1_32=127, var_1_33=2, var_1_34=10, var_1_35=200, var_1_36=-10, var_1_3=32782, var_1_5=32768, var_1_6=32767, var_1_8=1, var_1_9=1] [L194] var_1_33 = __VERIFIER_nondet_uchar() [L195] CALL assume_abort_if_not(var_1_33 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_11=1, last_1_var_1_30=64, last_1_var_1_35=200, var_1_10=128, var_1_11=1, var_1_12=50, var_1_13=63, var_1_14=0, var_1_15=-63, var_1_16=63, var_1_17=-32, var_1_19=10, var_1_1=1, var_1_20=2, var_1_22=0, var_1_23=129/40, var_1_24=127, var_1_25=2, var_1_26=3, var_1_27=1, var_1_28=0, var_1_29=32, var_1_30=64, var_1_31=0, var_1_32=127, var_1_33=63, var_1_34=10, var_1_35=200, var_1_36=-10, var_1_3=32782, var_1_5=32768, var_1_6=32767, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) [L195] RET assume_abort_if_not(var_1_33 >= 0) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_11=1, last_1_var_1_30=64, last_1_var_1_35=200, var_1_10=128, var_1_11=1, var_1_12=50, var_1_13=63, var_1_14=0, var_1_15=-63, var_1_16=63, var_1_17=-32, var_1_19=10, var_1_1=1, var_1_20=2, var_1_22=0, var_1_23=129/40, var_1_24=127, var_1_25=2, var_1_26=3, var_1_27=1, var_1_28=0, var_1_29=32, var_1_30=64, var_1_31=0, var_1_32=127, var_1_33=63, var_1_34=10, var_1_35=200, var_1_36=-10, var_1_3=32782, var_1_5=32768, var_1_6=32767, var_1_8=1, var_1_9=1] [L196] CALL assume_abort_if_not(var_1_33 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_11=1, last_1_var_1_30=64, last_1_var_1_35=200, var_1_10=128, var_1_11=1, var_1_12=50, var_1_13=63, var_1_14=0, var_1_15=-63, var_1_16=63, var_1_17=-32, var_1_19=10, var_1_1=1, var_1_20=2, var_1_22=0, var_1_23=129/40, var_1_24=127, var_1_25=2, var_1_26=3, var_1_27=1, var_1_28=0, var_1_29=32, var_1_30=64, var_1_31=0, var_1_32=127, var_1_33=63, var_1_34=10, var_1_35=200, var_1_36=-10, var_1_3=32782, var_1_5=32768, var_1_6=32767, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) [L196] RET assume_abort_if_not(var_1_33 <= 63) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_11=1, last_1_var_1_30=64, last_1_var_1_35=200, var_1_10=128, var_1_11=1, var_1_12=50, var_1_13=63, var_1_14=0, var_1_15=-63, var_1_16=63, var_1_17=-32, var_1_19=10, var_1_1=1, var_1_20=2, var_1_22=0, var_1_23=129/40, var_1_24=127, var_1_25=2, var_1_26=3, var_1_27=1, var_1_28=0, var_1_29=32, var_1_30=64, var_1_31=0, var_1_32=127, var_1_33=63, var_1_34=10, var_1_35=200, var_1_36=-10, var_1_3=32782, var_1_5=32768, var_1_6=32767, var_1_8=1, var_1_9=1] [L214] RET updateVariables() [L215] CALL step() [L60] COND TRUE last_1_var_1_11 < last_1_var_1_35 [L61] var_1_27 = (var_1_28 || (! var_1_9)) [L69] signed long int stepLocal_7 = -16; [L70] COND FALSE !(stepLocal_7 == last_1_var_1_10) [L73] signed long int stepLocal_6 = 25 * (var_1_34 - var_1_24); [L74] COND FALSE !(stepLocal_6 >= last_1_var_1_30) [L77] COND TRUE ! var_1_27 [L78] COND FALSE !(\read(var_1_27)) [L81] COND FALSE !(var_1_3 < (var_1_30 / (var_1_5 + var_1_6))) [L88] signed long int stepLocal_0 = (((10) < 0 ) ? -(10) : (10)); [L89] COND FALSE !(stepLocal_0 > var_1_34) [L92] var_1_12 = (var_1_15 + var_1_16) [L94] var_1_35 = var_1_32 [L95] var_1_36 = var_1_33 [L96] COND FALSE !(var_1_34 > (var_1_3 - var_1_6)) [L99] var_1_8 = (var_1_27 || var_1_9) [L101] COND TRUE \read(var_1_8) [L102] var_1_19 = (var_1_34 + var_1_14) [L104] COND TRUE var_1_6 > var_1_30 [L105] COND TRUE var_1_34 <= var_1_3 [L106] COND TRUE var_1_19 <= var_1_34 [L107] var_1_11 = (var_1_3 - 16) [L117] COND TRUE var_1_34 <= var_1_35 [L118] var_1_10 = (var_1_3 + ((((var_1_6) < (var_1_30)) ? (var_1_6) : (var_1_30)))) [L124] unsigned short int stepLocal_1 = var_1_5; [L125] COND FALSE !(var_1_6 > stepLocal_1) [L128] signed short int stepLocal_3 = var_1_17; [L129] signed char stepLocal_2 = var_1_15; [L130] COND FALSE !(var_1_3 < stepLocal_3) [L135] var_1_23 = 15.79f [L137] unsigned char stepLocal_5 = var_1_27; [L138] unsigned short int stepLocal_4 = var_1_19; [L139] COND FALSE !(stepLocal_5 && var_1_27) [L144] var_1_29 = ((((var_1_16) < (var_1_13)) ? (var_1_16) : (var_1_13))) [L146] COND TRUE (var_1_30 * 1) <= (var_1_36 + var_1_11) [L147] var_1_20 = (var_1_14 - var_1_22) [L215] RET step() [L216] CALL, EXPR property() [L205] EXPR (((((((((! var_1_27) ? (var_1_27 ? (var_1_1 == ((unsigned short int) (var_1_3 - var_1_30))) : ((var_1_3 < (var_1_30 / (var_1_5 + var_1_6))) ? (var_1_1 == ((unsigned short int) var_1_34)) : 1)) : (var_1_1 == ((unsigned short int) var_1_34))) && ((var_1_34 > (var_1_3 - var_1_6)) ? (var_1_8 == ((unsigned char) (! (! 0)))) : (var_1_8 == ((unsigned char) (var_1_27 || var_1_9))))) && ((var_1_34 <= var_1_35) ? (var_1_10 == ((unsigned long int) (var_1_3 + ((((var_1_6) < (var_1_30)) ? (var_1_6) : (var_1_30)))))) : (var_1_27 ? (var_1_10 == ((unsigned long int) var_1_35)) : 1))) && ((var_1_6 > var_1_30) ? ((var_1_34 <= var_1_3) ? ((var_1_19 <= var_1_34) ? (var_1_11 == ((unsigned short int) (var_1_3 - 16))) : (var_1_11 == ((unsigned short int) var_1_6))) : (var_1_11 == ((unsigned short int) var_1_30))) : (var_1_11 == ((unsigned short int) var_1_30)))) && ((((((10) < 0 ) ? -(10) : (10))) > var_1_34) ? (var_1_12 == ((signed char) (((((var_1_13) < 0 ) ? -(var_1_13) : (var_1_13))) - var_1_14))) : (var_1_12 == ((signed char) (var_1_15 + var_1_16))))) && ((var_1_6 > var_1_5) ? (var_1_17 == ((signed short int) (var_1_30 + ((((var_1_19) > (((((var_1_16) > (var_1_13)) ? (var_1_16) : (var_1_13))))) ? (var_1_19) : (((((var_1_16) > (var_1_13)) ? (var_1_16) : (var_1_13))))))))) : 1)) && (var_1_8 ? (var_1_19 == ((unsigned short int) (var_1_34 + var_1_14))) : 1)) && (((var_1_30 * 1) <= (var_1_36 + var_1_11)) ? (var_1_20 == ((signed char) (var_1_14 - var_1_22))) : 1)) && ((var_1_3 < var_1_17) ? ((((var_1_24 - var_1_14) << var_1_35) >= var_1_15) ? (var_1_23 == ((float) (var_1_25 + var_1_26))) : 1) : (var_1_23 == ((float) 15.79f))) [L205] EXPR (var_1_3 < var_1_17) ? ((((var_1_24 - var_1_14) << var_1_35) >= var_1_15) ? (var_1_23 == ((float) (var_1_25 + var_1_26))) : 1) : (var_1_23 == ((float) 15.79f)) [L205] EXPR (((((((((! var_1_27) ? (var_1_27 ? (var_1_1 == ((unsigned short int) (var_1_3 - var_1_30))) : ((var_1_3 < (var_1_30 / (var_1_5 + var_1_6))) ? (var_1_1 == ((unsigned short int) var_1_34)) : 1)) : (var_1_1 == ((unsigned short int) var_1_34))) && ((var_1_34 > (var_1_3 - var_1_6)) ? (var_1_8 == ((unsigned char) (! (! 0)))) : (var_1_8 == ((unsigned char) (var_1_27 || var_1_9))))) && ((var_1_34 <= var_1_35) ? (var_1_10 == ((unsigned long int) (var_1_3 + ((((var_1_6) < (var_1_30)) ? (var_1_6) : (var_1_30)))))) : (var_1_27 ? (var_1_10 == ((unsigned long int) var_1_35)) : 1))) && ((var_1_6 > var_1_30) ? ((var_1_34 <= var_1_3) ? ((var_1_19 <= var_1_34) ? (var_1_11 == ((unsigned short int) (var_1_3 - 16))) : (var_1_11 == ((unsigned short int) var_1_6))) : (var_1_11 == ((unsigned short int) var_1_30))) : (var_1_11 == ((unsigned short int) var_1_30)))) && ((((((10) < 0 ) ? -(10) : (10))) > var_1_34) ? (var_1_12 == ((signed char) (((((var_1_13) < 0 ) ? -(var_1_13) : (var_1_13))) - var_1_14))) : (var_1_12 == ((signed char) (var_1_15 + var_1_16))))) && ((var_1_6 > var_1_5) ? (var_1_17 == ((signed short int) (var_1_30 + ((((var_1_19) > (((((var_1_16) > (var_1_13)) ? (var_1_16) : (var_1_13))))) ? (var_1_19) : (((((var_1_16) > (var_1_13)) ? (var_1_16) : (var_1_13))))))))) : 1)) && (var_1_8 ? (var_1_19 == ((unsigned short int) (var_1_34 + var_1_14))) : 1)) && (((var_1_30 * 1) <= (var_1_36 + var_1_11)) ? (var_1_20 == ((signed char) (var_1_14 - var_1_22))) : 1)) && ((var_1_3 < var_1_17) ? ((((var_1_24 - var_1_14) << var_1_35) >= var_1_15) ? (var_1_23 == ((float) (var_1_25 + var_1_26))) : 1) : (var_1_23 == ((float) 15.79f))) [L205-L206] return (((((((((((((((! var_1_27) ? (var_1_27 ? (var_1_1 == ((unsigned short int) (var_1_3 - var_1_30))) : ((var_1_3 < (var_1_30 / (var_1_5 + var_1_6))) ? (var_1_1 == ((unsigned short int) var_1_34)) : 1)) : (var_1_1 == ((unsigned short int) var_1_34))) && ((var_1_34 > (var_1_3 - var_1_6)) ? (var_1_8 == ((unsigned char) (! (! 0)))) : (var_1_8 == ((unsigned char) (var_1_27 || var_1_9))))) && ((var_1_34 <= var_1_35) ? (var_1_10 == ((unsigned long int) (var_1_3 + ((((var_1_6) < (var_1_30)) ? (var_1_6) : (var_1_30)))))) : (var_1_27 ? (var_1_10 == ((unsigned long int) var_1_35)) : 1))) && ((var_1_6 > var_1_30) ? ((var_1_34 <= var_1_3) ? ((var_1_19 <= var_1_34) ? (var_1_11 == ((unsigned short int) (var_1_3 - 16))) : (var_1_11 == ((unsigned short int) var_1_6))) : (var_1_11 == ((unsigned short int) var_1_30))) : (var_1_11 == ((unsigned short int) var_1_30)))) && ((((((10) < 0 ) ? -(10) : (10))) > var_1_34) ? (var_1_12 == ((signed char) (((((var_1_13) < 0 ) ? -(var_1_13) : (var_1_13))) - var_1_14))) : (var_1_12 == ((signed char) (var_1_15 + var_1_16))))) && ((var_1_6 > var_1_5) ? (var_1_17 == ((signed short int) (var_1_30 + ((((var_1_19) > (((((var_1_16) > (var_1_13)) ? (var_1_16) : (var_1_13))))) ? (var_1_19) : (((((var_1_16) > (var_1_13)) ? (var_1_16) : (var_1_13))))))))) : 1)) && (var_1_8 ? (var_1_19 == ((unsigned short int) (var_1_34 + var_1_14))) : 1)) && (((var_1_30 * 1) <= (var_1_36 + var_1_11)) ? (var_1_20 == ((signed char) (var_1_14 - var_1_22))) : 1)) && ((var_1_3 < var_1_17) ? ((((var_1_24 - var_1_14) << var_1_35) >= var_1_15) ? (var_1_23 == ((float) (var_1_25 + var_1_26))) : 1) : (var_1_23 == ((float) 15.79f)))) && ((last_1_var_1_11 < last_1_var_1_35) ? (var_1_27 == ((unsigned char) (var_1_28 || (! var_1_9)))) : ((var_1_14 == var_1_6) ? (var_1_27 == ((unsigned char) var_1_28)) : (var_1_27 == ((unsigned char) var_1_28))))) && ((var_1_27 && var_1_27) ? ((var_1_1 < var_1_19) ? (var_1_29 == ((signed char) ((((var_1_16) < 0 ) ? -(var_1_16) : (var_1_16))))) : 1) : (var_1_29 == ((signed char) ((((var_1_16) < (var_1_13)) ? (var_1_16) : (var_1_13))))))) && (((25 * (var_1_34 - var_1_24)) >= last_1_var_1_30) ? (var_1_30 == ((unsigned char) ((var_1_31 + 8) + (var_1_32 - var_1_33)))) : 1)) && ((-16 == last_1_var_1_10) ? (var_1_34 == ((unsigned char) ((((var_1_33) > (var_1_14)) ? (var_1_33) : (var_1_14))))) : 1)) && (var_1_35 == ((signed short int) var_1_32))) && (var_1_36 == ((signed char) var_1_33)) ; [L216] RET, EXPR property() [L216] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_10=128, last_1_var_1_11=1, last_1_var_1_30=64, last_1_var_1_35=200, var_1_10=32846, var_1_11=32766, var_1_12=0, var_1_13=63, var_1_14=0, var_1_15=-63, var_1_16=63, var_1_17=-32, var_1_19=10, var_1_1=1, var_1_20=0, var_1_22=0, var_1_23=1579/100, var_1_24=127, var_1_25=2, var_1_26=3, var_1_27=0, var_1_28=0, var_1_29=63, var_1_30=64, var_1_31=0, var_1_32=127, var_1_33=63, var_1_34=10, var_1_35=127, var_1_36=63, var_1_3=32782, var_1_5=32768, var_1_6=32767, var_1_8=1, var_1_9=1] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_10=128, last_1_var_1_11=1, last_1_var_1_30=64, last_1_var_1_35=200, var_1_10=32846, var_1_11=32766, var_1_12=0, var_1_13=63, var_1_14=0, var_1_15=-63, var_1_16=63, var_1_17=-32, var_1_19=10, var_1_1=1, var_1_20=0, var_1_22=0, var_1_23=1579/100, var_1_24=127, var_1_25=2, var_1_26=3, var_1_27=0, var_1_28=0, var_1_29=63, var_1_30=64, var_1_31=0, var_1_32=127, var_1_33=63, var_1_34=10, var_1_35=127, var_1_36=63, var_1_3=32782, var_1_5=32768, var_1_6=32767, var_1_8=1, var_1_9=1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 55 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 2.7s, OverallIterations: 1, TraceHistogramMax: 30, 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=55occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 110 NumberOfCodeBlocks, 110 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-12 00:10:05,695 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c791dab-cc8c-42fa-b7be-29a581598434/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c791dab-cc8c-42fa-b7be-29a581598434/bin/utaipan-verify-NcY6lQBIFX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c791dab-cc8c-42fa-b7be-29a581598434/bin/utaipan-verify-NcY6lQBIFX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c791dab-cc8c-42fa-b7be-29a581598434/bin/utaipan-verify-NcY6lQBIFX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c791dab-cc8c-42fa-b7be-29a581598434/bin/utaipan-verify-NcY6lQBIFX/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-26.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c791dab-cc8c-42fa-b7be-29a581598434/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c791dab-cc8c-42fa-b7be-29a581598434/bin/utaipan-verify-NcY6lQBIFX --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 3a05c4cd155494b334138871edc7853c0d0fcd1ccd2ec892619f7fa2811e9969 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 00:10:08,481 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 00:10:08,608 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c791dab-cc8c-42fa-b7be-29a581598434/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2023-11-12 00:10:08,619 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 00:10:08,633 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 00:10:08,675 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 00:10:08,675 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 00:10:08,676 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 00:10:08,677 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 00:10:08,682 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 00:10:08,683 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-12 00:10:08,683 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-12 00:10:08,684 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-12 00:10:08,686 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-12 00:10:08,686 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-12 00:10:08,686 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-12 00:10:08,688 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 00:10:08,688 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 00:10:08,689 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-12 00:10:08,689 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-12 00:10:08,690 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 00:10:08,690 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 00:10:08,691 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 00:10:08,691 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 00:10:08,691 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-12 00:10:08,692 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-12 00:10:08,692 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-12 00:10:08,693 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-12 00:10:08,693 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 00:10:08,694 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 00:10:08,695 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 00:10:08,695 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-12 00:10:08,696 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 00:10:08,696 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 00:10:08,697 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 00:10:08,697 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 00:10:08,697 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 00:10:08,697 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-12 00:10:08,698 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-12 00:10:08,699 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 00:10:08,699 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-12 00:10:08,699 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 00:10:08,700 INFO L153 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c791dab-cc8c-42fa-b7be-29a581598434/bin/utaipan-verify-NcY6lQBIFX/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c791dab-cc8c-42fa-b7be-29a581598434/bin/utaipan-verify-NcY6lQBIFX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3a05c4cd155494b334138871edc7853c0d0fcd1ccd2ec892619f7fa2811e9969 [2023-11-12 00:10:09,131 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 00:10:09,170 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 00:10:09,172 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 00:10:09,174 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 00:10:09,174 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 00:10:09,176 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c791dab-cc8c-42fa-b7be-29a581598434/bin/utaipan-verify-NcY6lQBIFX/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-26.i [2023-11-12 00:10:12,468 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 00:10:12,774 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 00:10:12,775 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c791dab-cc8c-42fa-b7be-29a581598434/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-26.i [2023-11-12 00:10:12,787 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c791dab-cc8c-42fa-b7be-29a581598434/bin/utaipan-verify-NcY6lQBIFX/data/708a42722/ef04a055b51c41fa8f87665aa9680113/FLAGd6e5de007 [2023-11-12 00:10:12,816 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c791dab-cc8c-42fa-b7be-29a581598434/bin/utaipan-verify-NcY6lQBIFX/data/708a42722/ef04a055b51c41fa8f87665aa9680113 [2023-11-12 00:10:12,818 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 00:10:12,820 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 00:10:12,822 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 00:10:12,822 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 00:10:12,828 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 00:10:12,829 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:10:12" (1/1) ... [2023-11-12 00:10:12,831 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@73a81c48 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:10:12, skipping insertion in model container [2023-11-12 00:10:12,831 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:10:12" (1/1) ... [2023-11-12 00:10:12,896 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 00:10:13,048 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c791dab-cc8c-42fa-b7be-29a581598434/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-26.i[916,929] [2023-11-12 00:10:13,163 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:10:13,191 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 00:10:13,211 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c791dab-cc8c-42fa-b7be-29a581598434/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-26.i[916,929] [2023-11-12 00:10:13,284 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:10:13,311 INFO L206 MainTranslator]: Completed translation [2023-11-12 00:10:13,312 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:10:13 WrapperNode [2023-11-12 00:10:13,312 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 00:10:13,315 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 00:10:13,316 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 00:10:13,316 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 00:10:13,324 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:10:13" (1/1) ... [2023-11-12 00:10:13,353 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:10:13" (1/1) ... [2023-11-12 00:10:13,411 INFO L138 Inliner]: procedures = 27, calls = 43, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 212 [2023-11-12 00:10:13,414 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 00:10:13,415 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 00:10:13,415 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 00:10:13,416 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 00:10:13,437 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:10:13" (1/1) ... [2023-11-12 00:10:13,437 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:10:13" (1/1) ... [2023-11-12 00:10:13,442 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:10:13" (1/1) ... [2023-11-12 00:10:13,449 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:10:13" (1/1) ... [2023-11-12 00:10:13,462 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:10:13" (1/1) ... [2023-11-12 00:10:13,475 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:10:13" (1/1) ... [2023-11-12 00:10:13,478 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:10:13" (1/1) ... [2023-11-12 00:10:13,481 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:10:13" (1/1) ... [2023-11-12 00:10:13,486 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 00:10:13,487 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 00:10:13,487 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 00:10:13,487 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 00:10:13,488 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:10:13" (1/1) ... [2023-11-12 00:10:13,503 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 00:10:13,523 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c791dab-cc8c-42fa-b7be-29a581598434/bin/utaipan-verify-NcY6lQBIFX/z3 [2023-11-12 00:10:13,542 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c791dab-cc8c-42fa-b7be-29a581598434/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-12 00:10:13,580 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c791dab-cc8c-42fa-b7be-29a581598434/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-12 00:10:13,594 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 00:10:13,594 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-12 00:10:13,594 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-12 00:10:13,594 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-12 00:10:13,596 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 00:10:13,596 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 00:10:13,745 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 00:10:13,748 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 00:10:14,511 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 00:10:14,524 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 00:10:14,527 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-12 00:10:14,531 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:10:14 BoogieIcfgContainer [2023-11-12 00:10:14,531 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 00:10:14,535 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-12 00:10:14,535 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-12 00:10:14,539 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-12 00:10:14,539 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 12:10:12" (1/3) ... [2023-11-12 00:10:14,540 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@28f1d29f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:10:14, skipping insertion in model container [2023-11-12 00:10:14,540 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:10:13" (2/3) ... [2023-11-12 00:10:14,541 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@28f1d29f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:10:14, skipping insertion in model container [2023-11-12 00:10:14,541 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:10:14" (3/3) ... [2023-11-12 00:10:14,543 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_100-1loop_file-26.i [2023-11-12 00:10:14,563 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-12 00:10:14,563 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-12 00:10:14,623 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-12 00:10:14,629 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@c88882f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-12 00:10:14,629 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-12 00:10:14,634 INFO L276 IsEmpty]: Start isEmpty. Operand has 94 states, 61 states have (on average 1.4262295081967213) internal successors, (87), 62 states have internal predecessors, (87), 30 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2023-11-12 00:10:14,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2023-11-12 00:10:14,651 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:10:14,652 INFO L195 NwaCegarLoop]: trace histogram [30, 30, 30, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 00:10:14,653 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 00:10:14,659 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:10:14,659 INFO L85 PathProgramCache]: Analyzing trace with hash -704080612, now seen corresponding path program 1 times [2023-11-12 00:10:14,675 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-12 00:10:14,675 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [32236889] [2023-11-12 00:10:14,675 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:10:14,676 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-12 00:10:14,676 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c791dab-cc8c-42fa-b7be-29a581598434/bin/utaipan-verify-NcY6lQBIFX/mathsat [2023-11-12 00:10:14,713 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c791dab-cc8c-42fa-b7be-29a581598434/bin/utaipan-verify-NcY6lQBIFX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-12 00:10:14,720 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c791dab-cc8c-42fa-b7be-29a581598434/bin/utaipan-verify-NcY6lQBIFX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2023-11-12 00:10:15,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:10:15,145 INFO L262 TraceCheckSpWp]: Trace formula consists of 325 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-12 00:10:15,160 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:10:15,263 INFO L134 CoverageAnalysis]: Checked inductivity of 1740 backedges. 674 proven. 0 refuted. 0 times theorem prover too weak. 1066 trivial. 0 not checked. [2023-11-12 00:10:15,264 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-12 00:10:15,265 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-12 00:10:15,265 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [32236889] [2023-11-12 00:10:15,268 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [32236889] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 00:10:15,269 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 00:10:15,269 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-12 00:10:15,271 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [335675365] [2023-11-12 00:10:15,273 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 00:10:15,281 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-12 00:10:15,281 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-12 00:10:15,327 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-12 00:10:15,328 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-12 00:10:15,332 INFO L87 Difference]: Start difference. First operand has 94 states, 61 states have (on average 1.4262295081967213) internal successors, (87), 62 states have internal predecessors, (87), 30 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) Second operand has 2 states, 2 states have (on average 26.0) internal successors, (52), 2 states have internal predecessors, (52), 2 states have call successors, (30), 2 states have call predecessors, (30), 2 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2023-11-12 00:10:15,412 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 00:10:15,413 INFO L93 Difference]: Finished difference Result 185 states and 321 transitions. [2023-11-12 00:10:15,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-12 00:10:15,416 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 26.0) internal successors, (52), 2 states have internal predecessors, (52), 2 states have call successors, (30), 2 states have call predecessors, (30), 2 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) Word has length 195 [2023-11-12 00:10:15,417 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 00:10:15,428 INFO L225 Difference]: With dead ends: 185 [2023-11-12 00:10:15,429 INFO L226 Difference]: Without dead ends: 90 [2023-11-12 00:10:15,434 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 194 GetRequests, 194 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-12 00:10:15,439 INFO L413 NwaCegarLoop]: 144 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, 144 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-12 00:10:15,441 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 144 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-12 00:10:15,461 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 90 states. [2023-11-12 00:10:15,501 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 90 to 90. [2023-11-12 00:10:15,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 90 states, 58 states have (on average 1.3793103448275863) internal successors, (80), 58 states have internal predecessors, (80), 30 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2023-11-12 00:10:15,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 140 transitions. [2023-11-12 00:10:15,507 INFO L78 Accepts]: Start accepts. Automaton has 90 states and 140 transitions. Word has length 195 [2023-11-12 00:10:15,507 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 00:10:15,508 INFO L495 AbstractCegarLoop]: Abstraction has 90 states and 140 transitions. [2023-11-12 00:10:15,508 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 26.0) internal successors, (52), 2 states have internal predecessors, (52), 2 states have call successors, (30), 2 states have call predecessors, (30), 2 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2023-11-12 00:10:15,509 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 140 transitions. [2023-11-12 00:10:15,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2023-11-12 00:10:15,514 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:10:15,515 INFO L195 NwaCegarLoop]: trace histogram [30, 30, 30, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 00:10:15,541 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c791dab-cc8c-42fa-b7be-29a581598434/bin/utaipan-verify-NcY6lQBIFX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2023-11-12 00:10:15,731 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c791dab-cc8c-42fa-b7be-29a581598434/bin/utaipan-verify-NcY6lQBIFX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-12 00:10:15,731 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 00:10:15,732 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:10:15,732 INFO L85 PathProgramCache]: Analyzing trace with hash -2120443368, now seen corresponding path program 1 times [2023-11-12 00:10:15,734 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-12 00:10:15,735 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [743063577] [2023-11-12 00:10:15,735 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:10:15,736 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-12 00:10:15,737 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c791dab-cc8c-42fa-b7be-29a581598434/bin/utaipan-verify-NcY6lQBIFX/mathsat [2023-11-12 00:10:15,738 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c791dab-cc8c-42fa-b7be-29a581598434/bin/utaipan-verify-NcY6lQBIFX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-12 00:10:15,744 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c791dab-cc8c-42fa-b7be-29a581598434/bin/utaipan-verify-NcY6lQBIFX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2023-11-12 00:10:16,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:10:16,149 INFO L262 TraceCheckSpWp]: Trace formula consists of 325 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-12 00:10:16,161 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:10:16,797 INFO L134 CoverageAnalysis]: Checked inductivity of 1740 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1740 trivial. 0 not checked. [2023-11-12 00:10:16,797 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-12 00:10:16,798 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-12 00:10:16,798 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [743063577] [2023-11-12 00:10:16,798 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [743063577] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 00:10:16,798 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 00:10:16,799 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-12 00:10:16,799 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [231196255] [2023-11-12 00:10:16,799 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 00:10:16,801 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-12 00:10:16,802 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-12 00:10:16,803 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-12 00:10:16,803 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-11-12 00:10:16,803 INFO L87 Difference]: Start difference. First operand 90 states and 140 transitions. Second operand has 5 states, 5 states have (on average 9.6) internal successors, (48), 4 states have internal predecessors, (48), 1 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 1 states have call predecessors, (30), 1 states have call successors, (30) [2023-11-12 00:10:17,635 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 00:10:17,635 INFO L93 Difference]: Finished difference Result 281 states and 437 transitions. [2023-11-12 00:10:17,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-12 00:10:17,645 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.6) internal successors, (48), 4 states have internal predecessors, (48), 1 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 1 states have call predecessors, (30), 1 states have call successors, (30) Word has length 195 [2023-11-12 00:10:17,647 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 00:10:17,650 INFO L225 Difference]: With dead ends: 281 [2023-11-12 00:10:17,651 INFO L226 Difference]: Without dead ends: 194 [2023-11-12 00:10:17,652 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 196 GetRequests, 191 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2023-11-12 00:10:17,654 INFO L413 NwaCegarLoop]: 158 mSDtfsCounter, 129 mSDsluCounter, 345 mSDsCounter, 0 mSdLazyCounter, 80 mSolverCounterSat, 61 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 129 SdHoareTripleChecker+Valid, 503 SdHoareTripleChecker+Invalid, 141 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 61 IncrementalHoareTripleChecker+Valid, 80 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-11-12 00:10:17,654 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [129 Valid, 503 Invalid, 141 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [61 Valid, 80 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-11-12 00:10:17,656 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 194 states. [2023-11-12 00:10:17,696 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 194 to 175. [2023-11-12 00:10:17,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 175 states, 112 states have (on average 1.3839285714285714) internal successors, (155), 112 states have internal predecessors, (155), 60 states have call successors, (60), 2 states have call predecessors, (60), 2 states have return successors, (60), 60 states have call predecessors, (60), 60 states have call successors, (60) [2023-11-12 00:10:17,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 175 states and 275 transitions. [2023-11-12 00:10:17,700 INFO L78 Accepts]: Start accepts. Automaton has 175 states and 275 transitions. Word has length 195 [2023-11-12 00:10:17,701 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 00:10:17,702 INFO L495 AbstractCegarLoop]: Abstraction has 175 states and 275 transitions. [2023-11-12 00:10:17,702 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.6) internal successors, (48), 4 states have internal predecessors, (48), 1 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 1 states have call predecessors, (30), 1 states have call successors, (30) [2023-11-12 00:10:17,702 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 275 transitions. [2023-11-12 00:10:17,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2023-11-12 00:10:17,707 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:10:17,707 INFO L195 NwaCegarLoop]: trace histogram [30, 30, 30, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 00:10:17,730 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c791dab-cc8c-42fa-b7be-29a581598434/bin/utaipan-verify-NcY6lQBIFX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2023-11-12 00:10:17,924 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c791dab-cc8c-42fa-b7be-29a581598434/bin/utaipan-verify-NcY6lQBIFX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-12 00:10:17,925 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 00:10:17,926 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:10:17,926 INFO L85 PathProgramCache]: Analyzing trace with hash -1901588650, now seen corresponding path program 1 times [2023-11-12 00:10:17,927 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-12 00:10:17,927 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [550659654] [2023-11-12 00:10:17,927 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:10:17,927 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-12 00:10:17,928 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c791dab-cc8c-42fa-b7be-29a581598434/bin/utaipan-verify-NcY6lQBIFX/mathsat [2023-11-12 00:10:17,929 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c791dab-cc8c-42fa-b7be-29a581598434/bin/utaipan-verify-NcY6lQBIFX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-12 00:10:17,934 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c791dab-cc8c-42fa-b7be-29a581598434/bin/utaipan-verify-NcY6lQBIFX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2023-11-12 00:10:18,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:10:18,323 INFO L262 TraceCheckSpWp]: Trace formula consists of 324 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-12 00:10:18,332 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:10:19,081 INFO L134 CoverageAnalysis]: Checked inductivity of 1740 backedges. 1034 proven. 84 refuted. 0 times theorem prover too weak. 622 trivial. 0 not checked. [2023-11-12 00:10:19,081 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-12 00:10:19,599 INFO L134 CoverageAnalysis]: Checked inductivity of 1740 backedges. 84 proven. 87 refuted. 0 times theorem prover too weak. 1569 trivial. 0 not checked. [2023-11-12 00:10:19,599 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-12 00:10:19,599 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [550659654] [2023-11-12 00:10:19,599 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [550659654] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-12 00:10:19,600 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1539559458] [2023-11-12 00:10:19,600 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:10:19,600 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-12 00:10:19,600 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c791dab-cc8c-42fa-b7be-29a581598434/bin/utaipan-verify-NcY6lQBIFX/cvc4 [2023-11-12 00:10:19,608 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c791dab-cc8c-42fa-b7be-29a581598434/bin/utaipan-verify-NcY6lQBIFX/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-12 00:10:19,610 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c791dab-cc8c-42fa-b7be-29a581598434/bin/utaipan-verify-NcY6lQBIFX/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2023-11-12 00:10:20,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:10:20,055 INFO L262 TraceCheckSpWp]: Trace formula consists of 324 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-12 00:10:20,062 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:10:20,108 INFO L134 CoverageAnalysis]: Checked inductivity of 1740 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1740 trivial. 0 not checked. [2023-11-12 00:10:20,108 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-12 00:10:20,108 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1539559458] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 00:10:20,108 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2023-11-12 00:10:20,109 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [9, 9] total 14 [2023-11-12 00:10:20,109 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [566377975] [2023-11-12 00:10:20,109 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 00:10:20,110 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-12 00:10:20,110 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-12 00:10:20,111 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-12 00:10:20,112 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=131, Unknown=0, NotChecked=0, Total=182 [2023-11-12 00:10:20,112 INFO L87 Difference]: Start difference. First operand 175 states and 275 transitions. Second operand has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 1 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 1 states have call predecessors, (30), 1 states have call successors, (30) [2023-11-12 00:10:20,383 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 00:10:20,383 INFO L93 Difference]: Finished difference Result 519 states and 819 transitions. [2023-11-12 00:10:20,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-12 00:10:20,384 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 1 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 1 states have call predecessors, (30), 1 states have call successors, (30) Word has length 195 [2023-11-12 00:10:20,385 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 00:10:20,390 INFO L225 Difference]: With dead ends: 519 [2023-11-12 00:10:20,390 INFO L226 Difference]: Without dead ends: 347 [2023-11-12 00:10:20,392 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 582 GetRequests, 569 SyntacticMatches, 1 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=51, Invalid=131, Unknown=0, NotChecked=0, Total=182 [2023-11-12 00:10:20,393 INFO L413 NwaCegarLoop]: 240 mSDtfsCounter, 134 mSDsluCounter, 134 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 134 SdHoareTripleChecker+Valid, 374 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-12 00:10:20,394 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [134 Valid, 374 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-12 00:10:20,395 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 347 states. [2023-11-12 00:10:20,444 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 347 to 177. [2023-11-12 00:10:20,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 177 states, 114 states have (on average 1.3771929824561404) internal successors, (157), 114 states have internal predecessors, (157), 60 states have call successors, (60), 2 states have call predecessors, (60), 2 states have return successors, (60), 60 states have call predecessors, (60), 60 states have call successors, (60) [2023-11-12 00:10:20,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 177 states and 277 transitions. [2023-11-12 00:10:20,448 INFO L78 Accepts]: Start accepts. Automaton has 177 states and 277 transitions. Word has length 195 [2023-11-12 00:10:20,449 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 00:10:20,449 INFO L495 AbstractCegarLoop]: Abstraction has 177 states and 277 transitions. [2023-11-12 00:10:20,449 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 1 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 1 states have call predecessors, (30), 1 states have call successors, (30) [2023-11-12 00:10:20,450 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 277 transitions. [2023-11-12 00:10:20,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2023-11-12 00:10:20,453 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:10:20,453 INFO L195 NwaCegarLoop]: trace histogram [30, 30, 30, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 00:10:20,476 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c791dab-cc8c-42fa-b7be-29a581598434/bin/utaipan-verify-NcY6lQBIFX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2023-11-12 00:10:20,679 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c791dab-cc8c-42fa-b7be-29a581598434/bin/utaipan-verify-NcY6lQBIFX/cvc4 --incremental --print-success --lang smt (5)] Forceful destruction successful, exit code 0 [2023-11-12 00:10:20,876 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c791dab-cc8c-42fa-b7be-29a581598434/bin/utaipan-verify-NcY6lQBIFX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c791dab-cc8c-42fa-b7be-29a581598434/bin/utaipan-verify-NcY6lQBIFX/cvc4 --incremental --print-success --lang smt [2023-11-12 00:10:20,876 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 00:10:20,877 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:10:20,877 INFO L85 PathProgramCache]: Analyzing trace with hash 1382261396, now seen corresponding path program 1 times [2023-11-12 00:10:20,878 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-12 00:10:20,878 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [47684838] [2023-11-12 00:10:20,879 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:10:20,879 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-12 00:10:20,879 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c791dab-cc8c-42fa-b7be-29a581598434/bin/utaipan-verify-NcY6lQBIFX/mathsat [2023-11-12 00:10:20,880 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c791dab-cc8c-42fa-b7be-29a581598434/bin/utaipan-verify-NcY6lQBIFX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-12 00:10:20,900 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c791dab-cc8c-42fa-b7be-29a581598434/bin/utaipan-verify-NcY6lQBIFX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2023-11-12 00:10:21,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:10:21,176 INFO L262 TraceCheckSpWp]: Trace formula consists of 323 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-12 00:10:21,188 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:10:21,788 INFO L134 CoverageAnalysis]: Checked inductivity of 1740 backedges. 1034 proven. 84 refuted. 0 times theorem prover too weak. 622 trivial. 0 not checked. [2023-11-12 00:10:21,788 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-12 00:10:22,269 INFO L134 CoverageAnalysis]: Checked inductivity of 1740 backedges. 84 proven. 87 refuted. 0 times theorem prover too weak. 1569 trivial. 0 not checked. [2023-11-12 00:10:22,270 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-12 00:10:22,270 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [47684838] [2023-11-12 00:10:22,270 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [47684838] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-12 00:10:22,270 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [2051739785] [2023-11-12 00:10:22,271 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:10:22,271 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-12 00:10:22,271 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c791dab-cc8c-42fa-b7be-29a581598434/bin/utaipan-verify-NcY6lQBIFX/cvc4 [2023-11-12 00:10:22,272 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c791dab-cc8c-42fa-b7be-29a581598434/bin/utaipan-verify-NcY6lQBIFX/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-12 00:10:22,277 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c791dab-cc8c-42fa-b7be-29a581598434/bin/utaipan-verify-NcY6lQBIFX/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2023-11-12 00:10:22,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:10:22,725 INFO L262 TraceCheckSpWp]: Trace formula consists of 323 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-12 00:10:22,730 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:10:22,842 INFO L134 CoverageAnalysis]: Checked inductivity of 1740 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1740 trivial. 0 not checked. [2023-11-12 00:10:22,843 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-12 00:10:22,843 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [2051739785] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 00:10:22,843 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2023-11-12 00:10:22,844 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [9, 9] total 15 [2023-11-12 00:10:22,844 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [226476407] [2023-11-12 00:10:22,844 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 00:10:22,845 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-12 00:10:22,845 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-12 00:10:22,847 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-12 00:10:22,847 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=156, Unknown=0, NotChecked=0, Total=210 [2023-11-12 00:10:22,848 INFO L87 Difference]: Start difference. First operand 177 states and 277 transitions. Second operand has 4 states, 4 states have (on average 12.0) internal successors, (48), 4 states have internal predecessors, (48), 1 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 1 states have call predecessors, (30), 1 states have call successors, (30) [2023-11-12 00:10:23,373 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 00:10:23,373 INFO L93 Difference]: Finished difference Result 505 states and 792 transitions. [2023-11-12 00:10:23,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-12 00:10:23,384 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.0) internal successors, (48), 4 states have internal predecessors, (48), 1 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 1 states have call predecessors, (30), 1 states have call successors, (30) Word has length 195 [2023-11-12 00:10:23,385 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 00:10:23,388 INFO L225 Difference]: With dead ends: 505 [2023-11-12 00:10:23,389 INFO L226 Difference]: Without dead ends: 331 [2023-11-12 00:10:23,390 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 582 GetRequests, 568 SyntacticMatches, 1 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=54, Invalid=156, Unknown=0, NotChecked=0, Total=210 [2023-11-12 00:10:23,391 INFO L413 NwaCegarLoop]: 135 mSDtfsCounter, 115 mSDsluCounter, 187 mSDsCounter, 0 mSdLazyCounter, 91 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 115 SdHoareTripleChecker+Valid, 322 SdHoareTripleChecker+Invalid, 96 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 91 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-11-12 00:10:23,392 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [115 Valid, 322 Invalid, 96 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 91 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-11-12 00:10:23,393 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 331 states. [2023-11-12 00:10:23,427 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 331 to 195. [2023-11-12 00:10:23,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 195 states, 132 states have (on average 1.4015151515151516) internal successors, (185), 132 states have internal predecessors, (185), 60 states have call successors, (60), 2 states have call predecessors, (60), 2 states have return successors, (60), 60 states have call predecessors, (60), 60 states have call successors, (60) [2023-11-12 00:10:23,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 195 states and 305 transitions. [2023-11-12 00:10:23,430 INFO L78 Accepts]: Start accepts. Automaton has 195 states and 305 transitions. Word has length 195 [2023-11-12 00:10:23,431 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 00:10:23,431 INFO L495 AbstractCegarLoop]: Abstraction has 195 states and 305 transitions. [2023-11-12 00:10:23,432 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.0) internal successors, (48), 4 states have internal predecessors, (48), 1 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 1 states have call predecessors, (30), 1 states have call successors, (30) [2023-11-12 00:10:23,432 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 305 transitions. [2023-11-12 00:10:23,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2023-11-12 00:10:23,435 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:10:23,435 INFO L195 NwaCegarLoop]: trace histogram [30, 30, 30, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 00:10:23,458 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c791dab-cc8c-42fa-b7be-29a581598434/bin/utaipan-verify-NcY6lQBIFX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2023-11-12 00:10:23,651 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c791dab-cc8c-42fa-b7be-29a581598434/bin/utaipan-verify-NcY6lQBIFX/cvc4 --incremental --print-success --lang smt (7)] Forceful destruction successful, exit code 0 [2023-11-12 00:10:23,848 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c791dab-cc8c-42fa-b7be-29a581598434/bin/utaipan-verify-NcY6lQBIFX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c791dab-cc8c-42fa-b7be-29a581598434/bin/utaipan-verify-NcY6lQBIFX/cvc4 --incremental --print-success --lang smt [2023-11-12 00:10:23,849 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 00:10:23,849 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:10:23,849 INFO L85 PathProgramCache]: Analyzing trace with hash 1128916689, now seen corresponding path program 1 times [2023-11-12 00:10:23,850 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-12 00:10:23,850 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [478433931] [2023-11-12 00:10:23,850 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:10:23,850 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-12 00:10:23,851 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c791dab-cc8c-42fa-b7be-29a581598434/bin/utaipan-verify-NcY6lQBIFX/mathsat [2023-11-12 00:10:23,852 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c791dab-cc8c-42fa-b7be-29a581598434/bin/utaipan-verify-NcY6lQBIFX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-12 00:10:23,857 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c791dab-cc8c-42fa-b7be-29a581598434/bin/utaipan-verify-NcY6lQBIFX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2023-11-12 00:10:24,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:10:24,165 INFO L262 TraceCheckSpWp]: Trace formula consists of 325 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-12 00:10:24,171 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:10:24,762 INFO L134 CoverageAnalysis]: Checked inductivity of 1740 backedges. 1034 proven. 84 refuted. 0 times theorem prover too weak. 622 trivial. 0 not checked. [2023-11-12 00:10:24,763 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-12 00:10:25,264 INFO L134 CoverageAnalysis]: Checked inductivity of 1740 backedges. 84 proven. 87 refuted. 0 times theorem prover too weak. 1569 trivial. 0 not checked. [2023-11-12 00:10:25,264 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-12 00:10:25,265 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [478433931] [2023-11-12 00:10:25,265 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [478433931] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-12 00:10:25,265 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [312757996] [2023-11-12 00:10:25,265 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:10:25,266 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-12 00:10:25,266 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c791dab-cc8c-42fa-b7be-29a581598434/bin/utaipan-verify-NcY6lQBIFX/cvc4 [2023-11-12 00:10:25,269 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c791dab-cc8c-42fa-b7be-29a581598434/bin/utaipan-verify-NcY6lQBIFX/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-12 00:10:25,296 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c791dab-cc8c-42fa-b7be-29a581598434/bin/utaipan-verify-NcY6lQBIFX/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2023-11-12 00:10:26,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:10:26,072 INFO L262 TraceCheckSpWp]: Trace formula consists of 325 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-12 00:10:26,077 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:10:26,633 INFO L134 CoverageAnalysis]: Checked inductivity of 1740 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1740 trivial. 0 not checked. [2023-11-12 00:10:26,633 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-12 00:10:26,634 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [312757996] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 00:10:26,634 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2023-11-12 00:10:26,634 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [9, 9] total 15 [2023-11-12 00:10:26,634 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [5494943] [2023-11-12 00:10:26,634 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 00:10:26,635 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-12 00:10:26,635 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-12 00:10:26,636 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-12 00:10:26,636 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=156, Unknown=0, NotChecked=0, Total=210 [2023-11-12 00:10:26,637 INFO L87 Difference]: Start difference. First operand 195 states and 305 transitions. Second operand has 4 states, 4 states have (on average 12.25) internal successors, (49), 3 states have internal predecessors, (49), 1 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 1 states have call predecessors, (30), 1 states have call successors, (30) [2023-11-12 00:10:27,541 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 00:10:27,541 INFO L93 Difference]: Finished difference Result 493 states and 773 transitions. [2023-11-12 00:10:27,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-12 00:10:27,553 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.25) internal successors, (49), 3 states have internal predecessors, (49), 1 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 1 states have call predecessors, (30), 1 states have call successors, (30) Word has length 196 [2023-11-12 00:10:27,554 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 00:10:27,557 INFO L225 Difference]: With dead ends: 493 [2023-11-12 00:10:27,557 INFO L226 Difference]: Without dead ends: 301 [2023-11-12 00:10:27,558 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 585 GetRequests, 571 SyntacticMatches, 1 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=54, Invalid=156, Unknown=0, NotChecked=0, Total=210 [2023-11-12 00:10:27,559 INFO L413 NwaCegarLoop]: 126 mSDtfsCounter, 78 mSDsluCounter, 161 mSDsCounter, 0 mSdLazyCounter, 96 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 78 SdHoareTripleChecker+Valid, 287 SdHoareTripleChecker+Invalid, 96 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 96 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2023-11-12 00:10:27,559 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [78 Valid, 287 Invalid, 96 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 96 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2023-11-12 00:10:27,561 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 301 states. [2023-11-12 00:10:27,621 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 301 to 299. [2023-11-12 00:10:27,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 299 states, 205 states have (on average 1.4) internal successors, (287), 205 states have internal predecessors, (287), 90 states have call successors, (90), 3 states have call predecessors, (90), 3 states have return successors, (90), 90 states have call predecessors, (90), 90 states have call successors, (90) [2023-11-12 00:10:27,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 299 states and 467 transitions. [2023-11-12 00:10:27,628 INFO L78 Accepts]: Start accepts. Automaton has 299 states and 467 transitions. Word has length 196 [2023-11-12 00:10:27,629 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 00:10:27,629 INFO L495 AbstractCegarLoop]: Abstraction has 299 states and 467 transitions. [2023-11-12 00:10:27,630 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.25) internal successors, (49), 3 states have internal predecessors, (49), 1 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 1 states have call predecessors, (30), 1 states have call successors, (30) [2023-11-12 00:10:27,630 INFO L276 IsEmpty]: Start isEmpty. Operand 299 states and 467 transitions. [2023-11-12 00:10:27,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2023-11-12 00:10:27,633 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:10:27,634 INFO L195 NwaCegarLoop]: trace histogram [30, 30, 30, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 00:10:27,657 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c791dab-cc8c-42fa-b7be-29a581598434/bin/utaipan-verify-NcY6lQBIFX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2023-11-12 00:10:27,852 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c791dab-cc8c-42fa-b7be-29a581598434/bin/utaipan-verify-NcY6lQBIFX/cvc4 --incremental --print-success --lang smt (9)] Ended with exit code 0 [2023-11-12 00:10:28,048 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c791dab-cc8c-42fa-b7be-29a581598434/bin/utaipan-verify-NcY6lQBIFX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c791dab-cc8c-42fa-b7be-29a581598434/bin/utaipan-verify-NcY6lQBIFX/cvc4 --incremental --print-success --lang smt [2023-11-12 00:10:28,049 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 00:10:28,049 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:10:28,049 INFO L85 PathProgramCache]: Analyzing trace with hash -865228017, now seen corresponding path program 1 times [2023-11-12 00:10:28,050 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-12 00:10:28,050 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1299547068] [2023-11-12 00:10:28,050 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:10:28,050 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-12 00:10:28,050 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c791dab-cc8c-42fa-b7be-29a581598434/bin/utaipan-verify-NcY6lQBIFX/mathsat [2023-11-12 00:10:28,051 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c791dab-cc8c-42fa-b7be-29a581598434/bin/utaipan-verify-NcY6lQBIFX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-12 00:10:28,072 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c791dab-cc8c-42fa-b7be-29a581598434/bin/utaipan-verify-NcY6lQBIFX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2023-11-12 00:10:28,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:10:28,407 INFO L262 TraceCheckSpWp]: Trace formula consists of 325 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-12 00:10:28,413 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:10:29,031 INFO L134 CoverageAnalysis]: Checked inductivity of 1740 backedges. 1034 proven. 84 refuted. 0 times theorem prover too weak. 622 trivial. 0 not checked. [2023-11-12 00:10:29,031 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-12 00:10:29,535 INFO L134 CoverageAnalysis]: Checked inductivity of 1740 backedges. 84 proven. 87 refuted. 0 times theorem prover too weak. 1569 trivial. 0 not checked. [2023-11-12 00:10:29,536 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-12 00:10:29,536 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1299547068] [2023-11-12 00:10:29,536 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1299547068] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-12 00:10:29,536 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1040011820] [2023-11-12 00:10:29,536 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:10:29,537 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-12 00:10:29,537 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c791dab-cc8c-42fa-b7be-29a581598434/bin/utaipan-verify-NcY6lQBIFX/cvc4 [2023-11-12 00:10:29,541 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c791dab-cc8c-42fa-b7be-29a581598434/bin/utaipan-verify-NcY6lQBIFX/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-12 00:10:29,549 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c791dab-cc8c-42fa-b7be-29a581598434/bin/utaipan-verify-NcY6lQBIFX/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2023-11-12 00:10:30,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:10:30,289 INFO L262 TraceCheckSpWp]: Trace formula consists of 325 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-12 00:10:30,296 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:10:31,495 INFO L134 CoverageAnalysis]: Checked inductivity of 1740 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1740 trivial. 0 not checked. [2023-11-12 00:10:31,495 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-12 00:10:31,496 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1040011820] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 00:10:31,496 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2023-11-12 00:10:31,496 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [9, 9] total 16 [2023-11-12 00:10:31,496 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1537258209] [2023-11-12 00:10:31,497 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 00:10:31,497 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-12 00:10:31,498 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-12 00:10:31,498 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-12 00:10:31,498 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=185, Unknown=0, NotChecked=0, Total=240 [2023-11-12 00:10:31,499 INFO L87 Difference]: Start difference. First operand 299 states and 467 transitions. Second operand has 5 states, 5 states have (on average 9.8) internal successors, (49), 4 states have internal predecessors, (49), 1 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 1 states have call predecessors, (30), 1 states have call successors, (30) [2023-11-12 00:10:33,048 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 00:10:33,048 INFO L93 Difference]: Finished difference Result 1074 states and 1677 transitions. [2023-11-12 00:10:33,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-12 00:10:33,049 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.8) internal successors, (49), 4 states have internal predecessors, (49), 1 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 1 states have call predecessors, (30), 1 states have call successors, (30) Word has length 196 [2023-11-12 00:10:33,050 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 00:10:33,056 INFO L225 Difference]: With dead ends: 1074 [2023-11-12 00:10:33,056 INFO L226 Difference]: Without dead ends: 778 [2023-11-12 00:10:33,058 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 588 GetRequests, 570 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 63 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=70, Invalid=272, Unknown=0, NotChecked=0, Total=342 [2023-11-12 00:10:33,059 INFO L413 NwaCegarLoop]: 228 mSDtfsCounter, 265 mSDsluCounter, 418 mSDsCounter, 0 mSdLazyCounter, 292 mSolverCounterSat, 63 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 265 SdHoareTripleChecker+Valid, 646 SdHoareTripleChecker+Invalid, 355 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 63 IncrementalHoareTripleChecker+Valid, 292 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2023-11-12 00:10:33,060 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [265 Valid, 646 Invalid, 355 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [63 Valid, 292 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2023-11-12 00:10:33,061 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 778 states. [2023-11-12 00:10:33,162 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 778 to 772. [2023-11-12 00:10:33,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 772 states, 523 states have (on average 1.378585086042065) internal successors, (721), 523 states have internal predecessors, (721), 240 states have call successors, (240), 8 states have call predecessors, (240), 8 states have return successors, (240), 240 states have call predecessors, (240), 240 states have call successors, (240) [2023-11-12 00:10:33,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 772 states to 772 states and 1201 transitions. [2023-11-12 00:10:33,171 INFO L78 Accepts]: Start accepts. Automaton has 772 states and 1201 transitions. Word has length 196 [2023-11-12 00:10:33,172 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 00:10:33,172 INFO L495 AbstractCegarLoop]: Abstraction has 772 states and 1201 transitions. [2023-11-12 00:10:33,172 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.8) internal successors, (49), 4 states have internal predecessors, (49), 1 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 1 states have call predecessors, (30), 1 states have call successors, (30) [2023-11-12 00:10:33,173 INFO L276 IsEmpty]: Start isEmpty. Operand 772 states and 1201 transitions. [2023-11-12 00:10:33,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2023-11-12 00:10:33,176 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:10:33,176 INFO L195 NwaCegarLoop]: trace histogram [30, 30, 30, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 00:10:33,196 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c791dab-cc8c-42fa-b7be-29a581598434/bin/utaipan-verify-NcY6lQBIFX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (10)] Forceful destruction successful, exit code 0 [2023-11-12 00:10:33,398 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c791dab-cc8c-42fa-b7be-29a581598434/bin/utaipan-verify-NcY6lQBIFX/cvc4 --incremental --print-success --lang smt (11)] Forceful destruction successful, exit code 0 [2023-11-12 00:10:33,594 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c791dab-cc8c-42fa-b7be-29a581598434/bin/utaipan-verify-NcY6lQBIFX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c791dab-cc8c-42fa-b7be-29a581598434/bin/utaipan-verify-NcY6lQBIFX/cvc4 --incremental --print-success --lang smt [2023-11-12 00:10:33,595 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 00:10:33,595 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:10:33,595 INFO L85 PathProgramCache]: Analyzing trace with hash -807969715, now seen corresponding path program 1 times [2023-11-12 00:10:33,596 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-12 00:10:33,596 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1949388617] [2023-11-12 00:10:33,596 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:10:33,596 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-12 00:10:33,596 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c791dab-cc8c-42fa-b7be-29a581598434/bin/utaipan-verify-NcY6lQBIFX/mathsat [2023-11-12 00:10:33,598 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c791dab-cc8c-42fa-b7be-29a581598434/bin/utaipan-verify-NcY6lQBIFX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-12 00:10:33,602 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c791dab-cc8c-42fa-b7be-29a581598434/bin/utaipan-verify-NcY6lQBIFX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (12)] Waiting until timeout for monitored process [2023-11-12 00:10:33,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:10:33,893 INFO L262 TraceCheckSpWp]: Trace formula consists of 324 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-12 00:10:33,898 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:10:34,482 INFO L134 CoverageAnalysis]: Checked inductivity of 1740 backedges. 1034 proven. 84 refuted. 0 times theorem prover too weak. 622 trivial. 0 not checked. [2023-11-12 00:10:34,482 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-12 00:10:34,959 INFO L134 CoverageAnalysis]: Checked inductivity of 1740 backedges. 84 proven. 87 refuted. 0 times theorem prover too weak. 1569 trivial. 0 not checked. [2023-11-12 00:10:34,959 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-12 00:10:34,959 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1949388617] [2023-11-12 00:10:34,959 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1949388617] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-12 00:10:34,959 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [24854587] [2023-11-12 00:10:34,960 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:10:34,960 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-12 00:10:34,960 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c791dab-cc8c-42fa-b7be-29a581598434/bin/utaipan-verify-NcY6lQBIFX/cvc4 [2023-11-12 00:10:34,964 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c791dab-cc8c-42fa-b7be-29a581598434/bin/utaipan-verify-NcY6lQBIFX/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-12 00:10:34,988 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c791dab-cc8c-42fa-b7be-29a581598434/bin/utaipan-verify-NcY6lQBIFX/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2023-11-12 00:10:35,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:10:35,871 INFO L262 TraceCheckSpWp]: Trace formula consists of 324 conjuncts, 14 conjunts are in the unsatisfiable core [2023-11-12 00:10:35,877 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:10:36,869 INFO L134 CoverageAnalysis]: Checked inductivity of 1740 backedges. 1035 proven. 144 refuted. 0 times theorem prover too weak. 561 trivial. 0 not checked. [2023-11-12 00:10:36,870 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-12 00:10:37,289 INFO L134 CoverageAnalysis]: Checked inductivity of 1740 backedges. 84 proven. 87 refuted. 0 times theorem prover too weak. 1569 trivial. 0 not checked. [2023-11-12 00:10:37,290 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [24854587] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-12 00:10:37,290 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1779219936] [2023-11-12 00:10:37,290 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:10:37,290 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 00:10:37,291 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c791dab-cc8c-42fa-b7be-29a581598434/bin/utaipan-verify-NcY6lQBIFX/z3 [2023-11-12 00:10:37,296 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c791dab-cc8c-42fa-b7be-29a581598434/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-12 00:10:37,324 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c791dab-cc8c-42fa-b7be-29a581598434/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2023-11-12 00:10:37,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:10:37,500 INFO L262 TraceCheckSpWp]: Trace formula consists of 324 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-12 00:10:37,505 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:10:38,264 INFO L134 CoverageAnalysis]: Checked inductivity of 1740 backedges. 1035 proven. 144 refuted. 0 times theorem prover too weak. 561 trivial. 0 not checked. [2023-11-12 00:10:38,265 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-12 00:10:38,613 INFO L134 CoverageAnalysis]: Checked inductivity of 1740 backedges. 84 proven. 87 refuted. 0 times theorem prover too weak. 1569 trivial. 0 not checked. [2023-11-12 00:10:38,613 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1779219936] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-12 00:10:38,613 INFO L185 FreeRefinementEngine]: Found 0 perfect and 6 imperfect interpolant sequences. [2023-11-12 00:10:38,614 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 12, 9, 12, 9] total 17 [2023-11-12 00:10:38,614 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [214350210] [2023-11-12 00:10:38,614 INFO L85 oduleStraightlineAll]: Using 6 imperfect interpolants to construct interpolant automaton [2023-11-12 00:10:38,617 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2023-11-12 00:10:38,617 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-12 00:10:38,618 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2023-11-12 00:10:38,618 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=82, Invalid=190, Unknown=0, NotChecked=0, Total=272 [2023-11-12 00:10:38,619 INFO L87 Difference]: Start difference. First operand 772 states and 1201 transitions. Second operand has 17 states, 17 states have (on average 6.117647058823529) internal successors, (104), 17 states have internal predecessors, (104), 5 states have call successors, (75), 5 states have call predecessors, (75), 10 states have return successors, (77), 5 states have call predecessors, (77), 5 states have call successors, (77) [2023-11-12 00:10:40,794 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 00:10:40,794 INFO L93 Difference]: Finished difference Result 1652 states and 2471 transitions. [2023-11-12 00:10:40,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2023-11-12 00:10:40,795 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 6.117647058823529) internal successors, (104), 17 states have internal predecessors, (104), 5 states have call successors, (75), 5 states have call predecessors, (75), 10 states have return successors, (77), 5 states have call predecessors, (77), 5 states have call successors, (77) Word has length 196 [2023-11-12 00:10:40,796 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 00:10:40,807 INFO L225 Difference]: With dead ends: 1652 [2023-11-12 00:10:40,807 INFO L226 Difference]: Without dead ends: 883 [2023-11-12 00:10:40,811 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1197 GetRequests, 1154 SyntacticMatches, 3 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 444 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=481, Invalid=1241, Unknown=0, NotChecked=0, Total=1722 [2023-11-12 00:10:40,812 INFO L413 NwaCegarLoop]: 144 mSDtfsCounter, 313 mSDsluCounter, 523 mSDsCounter, 0 mSdLazyCounter, 849 mSolverCounterSat, 145 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 320 SdHoareTripleChecker+Valid, 667 SdHoareTripleChecker+Invalid, 994 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 145 IncrementalHoareTripleChecker+Valid, 849 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2023-11-12 00:10:40,812 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [320 Valid, 667 Invalid, 994 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [145 Valid, 849 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2023-11-12 00:10:40,815 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 883 states. [2023-11-12 00:10:40,897 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 883 to 490. [2023-11-12 00:10:40,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 490 states, 319 states have (on average 1.2413793103448276) internal successors, (396), 319 states have internal predecessors, (396), 150 states have call successors, (150), 20 states have call predecessors, (150), 20 states have return successors, (150), 150 states have call predecessors, (150), 150 states have call successors, (150) [2023-11-12 00:10:40,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 490 states to 490 states and 696 transitions. [2023-11-12 00:10:40,904 INFO L78 Accepts]: Start accepts. Automaton has 490 states and 696 transitions. Word has length 196 [2023-11-12 00:10:40,905 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 00:10:40,905 INFO L495 AbstractCegarLoop]: Abstraction has 490 states and 696 transitions. [2023-11-12 00:10:40,906 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 6.117647058823529) internal successors, (104), 17 states have internal predecessors, (104), 5 states have call successors, (75), 5 states have call predecessors, (75), 10 states have return successors, (77), 5 states have call predecessors, (77), 5 states have call successors, (77) [2023-11-12 00:10:40,906 INFO L276 IsEmpty]: Start isEmpty. Operand 490 states and 696 transitions. [2023-11-12 00:10:40,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2023-11-12 00:10:40,909 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:10:40,910 INFO L195 NwaCegarLoop]: trace histogram [30, 30, 30, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 00:10:40,938 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c791dab-cc8c-42fa-b7be-29a581598434/bin/utaipan-verify-NcY6lQBIFX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (12)] Forceful destruction successful, exit code 0 [2023-11-12 00:10:41,147 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c791dab-cc8c-42fa-b7be-29a581598434/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2023-11-12 00:10:41,343 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c791dab-cc8c-42fa-b7be-29a581598434/bin/utaipan-verify-NcY6lQBIFX/cvc4 --incremental --print-success --lang smt (13)] Forceful destruction successful, exit code 0 [2023-11-12 00:10:41,538 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c791dab-cc8c-42fa-b7be-29a581598434/bin/utaipan-verify-NcY6lQBIFX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c791dab-cc8c-42fa-b7be-29a581598434/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true,13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c791dab-cc8c-42fa-b7be-29a581598434/bin/utaipan-verify-NcY6lQBIFX/cvc4 --incremental --print-success --lang smt [2023-11-12 00:10:41,539 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 00:10:41,539 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:10:41,539 INFO L85 PathProgramCache]: Analyzing trace with hash -1871844660, now seen corresponding path program 1 times [2023-11-12 00:10:41,540 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-12 00:10:41,540 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [565065105] [2023-11-12 00:10:41,540 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:10:41,540 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-12 00:10:41,540 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c791dab-cc8c-42fa-b7be-29a581598434/bin/utaipan-verify-NcY6lQBIFX/mathsat [2023-11-12 00:10:41,541 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c791dab-cc8c-42fa-b7be-29a581598434/bin/utaipan-verify-NcY6lQBIFX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-12 00:10:41,544 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c791dab-cc8c-42fa-b7be-29a581598434/bin/utaipan-verify-NcY6lQBIFX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (15)] Waiting until timeout for monitored process [2023-11-12 00:10:41,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:10:41,848 INFO L262 TraceCheckSpWp]: Trace formula consists of 325 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-12 00:10:41,853 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:10:43,342 INFO L134 CoverageAnalysis]: Checked inductivity of 1740 backedges. 396 proven. 225 refuted. 0 times theorem prover too weak. 1119 trivial. 0 not checked. [2023-11-12 00:10:43,343 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-12 00:10:43,588 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-12 00:10:43,588 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [565065105] [2023-11-12 00:10:43,588 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [565065105] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-12 00:10:43,588 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1405064108] [2023-11-12 00:10:43,588 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:10:43,588 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-12 00:10:43,589 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c791dab-cc8c-42fa-b7be-29a581598434/bin/utaipan-verify-NcY6lQBIFX/cvc4 [2023-11-12 00:10:43,593 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c791dab-cc8c-42fa-b7be-29a581598434/bin/utaipan-verify-NcY6lQBIFX/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-12 00:10:43,609 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c791dab-cc8c-42fa-b7be-29a581598434/bin/utaipan-verify-NcY6lQBIFX/cvc4 --incremental --print-success --lang smt (16)] Waiting until timeout for monitored process [2023-11-12 00:10:44,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:10:44,456 INFO L262 TraceCheckSpWp]: Trace formula consists of 325 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-12 00:10:44,459 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:10:44,887 INFO L134 CoverageAnalysis]: Checked inductivity of 1740 backedges. 29 proven. 87 refuted. 0 times theorem prover too weak. 1624 trivial. 0 not checked. [2023-11-12 00:10:44,887 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-12 00:10:46,843 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1405064108] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-12 00:10:46,843 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [485869650] [2023-11-12 00:10:46,843 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:10:46,844 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 00:10:46,844 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c791dab-cc8c-42fa-b7be-29a581598434/bin/utaipan-verify-NcY6lQBIFX/z3 [2023-11-12 00:10:46,845 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c791dab-cc8c-42fa-b7be-29a581598434/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-12 00:10:46,847 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c791dab-cc8c-42fa-b7be-29a581598434/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2023-11-12 00:10:47,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:10:47,033 INFO L262 TraceCheckSpWp]: Trace formula consists of 325 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-12 00:10:47,037 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:10:48,129 INFO L134 CoverageAnalysis]: Checked inductivity of 1740 backedges. 366 proven. 159 refuted. 0 times theorem prover too weak. 1215 trivial. 0 not checked. [2023-11-12 00:10:48,129 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-12 00:10:48,283 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [485869650] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-12 00:10:48,284 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-12 00:10:48,284 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 5, 9] total 13 [2023-11-12 00:10:48,284 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1159732518] [2023-11-12 00:10:48,284 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-12 00:10:48,285 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-11-12 00:10:48,286 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-12 00:10:48,287 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-11-12 00:10:48,287 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=176, Unknown=0, NotChecked=0, Total=240 [2023-11-12 00:10:48,287 INFO L87 Difference]: Start difference. First operand 490 states and 696 transitions. Second operand has 13 states, 13 states have (on average 9.307692307692308) internal successors, (121), 13 states have internal predecessors, (121), 4 states have call successors, (79), 4 states have call predecessors, (79), 6 states have return successors, (81), 3 states have call predecessors, (81), 4 states have call successors, (81)