./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-48.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc 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_111d1386-fc3a-4c73-a092-e1a07a5d771d/bin/utaipan-verify-nQ1chXbOIh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_111d1386-fc3a-4c73-a092-e1a07a5d771d/bin/utaipan-verify-nQ1chXbOIh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_111d1386-fc3a-4c73-a092-e1a07a5d771d/bin/utaipan-verify-nQ1chXbOIh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_111d1386-fc3a-4c73-a092-e1a07a5d771d/bin/utaipan-verify-nQ1chXbOIh/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-48.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_111d1386-fc3a-4c73-a092-e1a07a5d771d/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_111d1386-fc3a-4c73-a092-e1a07a5d771d/bin/utaipan-verify-nQ1chXbOIh --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 12d6d24ada43a89a4eca053b99e113ed2849ef8ba81bc1d009eb54d431f777d1 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 20:09:05,271 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 20:09:05,336 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_111d1386-fc3a-4c73-a092-e1a07a5d771d/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-12-02 20:09:05,341 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 20:09:05,342 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-02 20:09:05,365 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 20:09:05,365 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-02 20:09:05,366 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-02 20:09:05,366 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 20:09:05,367 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-02 20:09:05,367 INFO L153 SettingsManager]: * User list type=DISABLED [2023-12-02 20:09:05,368 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-12-02 20:09:05,368 INFO L153 SettingsManager]: * Explicit value domain=true [2023-12-02 20:09:05,369 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-12-02 20:09:05,369 INFO L153 SettingsManager]: * Octagon Domain=false [2023-12-02 20:09:05,370 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-12-02 20:09:05,370 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-12-02 20:09:05,371 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-12-02 20:09:05,371 INFO L153 SettingsManager]: * Interval Domain=false [2023-12-02 20:09:05,372 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-12-02 20:09:05,373 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-12-02 20:09:05,373 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-12-02 20:09:05,374 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 20:09:05,374 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 20:09:05,375 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 20:09:05,375 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 20:09:05,376 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 20:09:05,376 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 20:09:05,376 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 20:09:05,377 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 20:09:05,377 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 20:09:05,377 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 20:09:05,378 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 20:09:05,378 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 20:09:05,378 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 20:09:05,378 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-02 20:09:05,379 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-02 20:09:05,379 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 20:09:05,379 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 20:09:05,379 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 20:09:05,379 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 20:09:05,380 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-12-02 20:09:05,380 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 20:09:05,380 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-02 20:09:05,380 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 20:09:05,380 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-12-02 20:09:05,381 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 20:09:05,381 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_111d1386-fc3a-4c73-a092-e1a07a5d771d/bin/utaipan-verify-nQ1chXbOIh/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_111d1386-fc3a-4c73-a092-e1a07a5d771d/bin/utaipan-verify-nQ1chXbOIh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 12d6d24ada43a89a4eca053b99e113ed2849ef8ba81bc1d009eb54d431f777d1 [2023-12-02 20:09:05,603 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 20:09:05,624 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 20:09:05,627 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 20:09:05,628 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 20:09:05,629 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 20:09:05,630 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_111d1386-fc3a-4c73-a092-e1a07a5d771d/bin/utaipan-verify-nQ1chXbOIh/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-48.i [2023-12-02 20:09:08,400 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 20:09:08,587 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 20:09:08,587 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_111d1386-fc3a-4c73-a092-e1a07a5d771d/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-48.i [2023-12-02 20:09:08,597 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_111d1386-fc3a-4c73-a092-e1a07a5d771d/bin/utaipan-verify-nQ1chXbOIh/data/71df1ad85/2fbd8a99cdeb47f29959a6aa18621f02/FLAGedd45204a [2023-12-02 20:09:08,609 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_111d1386-fc3a-4c73-a092-e1a07a5d771d/bin/utaipan-verify-nQ1chXbOIh/data/71df1ad85/2fbd8a99cdeb47f29959a6aa18621f02 [2023-12-02 20:09:08,612 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 20:09:08,613 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 20:09:08,615 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 20:09:08,615 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 20:09:08,620 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 20:09:08,621 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 08:09:08" (1/1) ... [2023-12-02 20:09:08,622 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@57cc3513 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:09:08, skipping insertion in model container [2023-12-02 20:09:08,622 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 08:09:08" (1/1) ... [2023-12-02 20:09:08,666 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 20:09:08,808 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_111d1386-fc3a-4c73-a092-e1a07a5d771d/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-48.i[919,932] [2023-12-02 20:09:08,874 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 20:09:08,885 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 20:09:08,895 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_111d1386-fc3a-4c73-a092-e1a07a5d771d/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-48.i[919,932] [2023-12-02 20:09:08,933 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 20:09:08,951 INFO L206 MainTranslator]: Completed translation [2023-12-02 20:09:08,951 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:09:08 WrapperNode [2023-12-02 20:09:08,952 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 20:09:08,953 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 20:09:08,953 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 20:09:08,953 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 20:09:08,961 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:09:08" (1/1) ... [2023-12-02 20:09:08,972 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:09:08" (1/1) ... [2023-12-02 20:09:09,004 INFO L138 Inliner]: procedures = 26, calls = 42, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 223 [2023-12-02 20:09:09,004 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 20:09:09,005 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 20:09:09,005 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 20:09:09,005 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 20:09:09,012 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:09:08" (1/1) ... [2023-12-02 20:09:09,012 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:09:08" (1/1) ... [2023-12-02 20:09:09,016 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:09:08" (1/1) ... [2023-12-02 20:09:09,016 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:09:08" (1/1) ... [2023-12-02 20:09:09,032 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:09:08" (1/1) ... [2023-12-02 20:09:09,037 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:09:08" (1/1) ... [2023-12-02 20:09:09,042 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:09:08" (1/1) ... [2023-12-02 20:09:09,046 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:09:08" (1/1) ... [2023-12-02 20:09:09,053 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 20:09:09,054 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 20:09:09,054 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 20:09:09,054 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 20:09:09,055 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:09:08" (1/1) ... [2023-12-02 20:09:09,061 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 20:09:09,090 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_111d1386-fc3a-4c73-a092-e1a07a5d771d/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 20:09:09,102 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_111d1386-fc3a-4c73-a092-e1a07a5d771d/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-12-02 20:09:09,105 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_111d1386-fc3a-4c73-a092-e1a07a5d771d/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-12-02 20:09:09,135 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 20:09:09,135 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-02 20:09:09,135 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-02 20:09:09,136 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 20:09:09,136 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 20:09:09,136 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 20:09:09,228 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 20:09:09,231 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 20:09:09,577 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 20:09:09,754 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 20:09:09,754 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-02 20:09:09,756 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 08:09:09 BoogieIcfgContainer [2023-12-02 20:09:09,756 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 20:09:09,759 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-02 20:09:09,759 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-02 20:09:09,761 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-02 20:09:09,762 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 08:09:08" (1/3) ... [2023-12-02 20:09:09,762 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a08d664 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 08:09:09, skipping insertion in model container [2023-12-02 20:09:09,763 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:09:08" (2/3) ... [2023-12-02 20:09:09,763 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a08d664 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 08:09:09, skipping insertion in model container [2023-12-02 20:09:09,763 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 08:09:09" (3/3) ... [2023-12-02 20:09:09,764 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-ps-ci_file-48.i [2023-12-02 20:09:09,779 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-02 20:09:09,780 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-02 20:09:09,822 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-02 20:09:09,828 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;@1f467bda, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-02 20:09:09,828 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-02 20:09:09,832 INFO L276 IsEmpty]: Start isEmpty. Operand has 56 states, 24 states have (on average 1.125) internal successors, (27), 25 states have internal predecessors, (27), 29 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 29 states have call predecessors, (29), 29 states have call successors, (29) [2023-12-02 20:09:09,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2023-12-02 20:09:09,843 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 20:09:09,844 INFO L195 NwaCegarLoop]: trace histogram [29, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 20:09:09,845 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 20:09:09,849 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 20:09:09,849 INFO L85 PathProgramCache]: Analyzing trace with hash -876553475, now seen corresponding path program 1 times [2023-12-02 20:09:09,856 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 20:09:09,856 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2068080167] [2023-12-02 20:09:09,856 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:09:09,857 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 20:09:10,024 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-02 20:09:10,025 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [938525203] [2023-12-02 20:09:10,025 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:09:10,026 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 20:09:10,026 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_111d1386-fc3a-4c73-a092-e1a07a5d771d/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 20:09:10,027 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_111d1386-fc3a-4c73-a092-e1a07a5d771d/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 20:09:10,033 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_111d1386-fc3a-4c73-a092-e1a07a5d771d/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-12-02 20:09:10,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 20:09:10,385 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 20:09:10,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 20:09:10,562 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-12-02 20:09:10,564 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-12-02 20:09:10,565 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-02 20:09:10,573 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_111d1386-fc3a-4c73-a092-e1a07a5d771d/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-12-02 20:09:10,767 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_111d1386-fc3a-4c73-a092-e1a07a5d771d/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 20:09:10,770 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-12-02 20:09:10,773 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-12-02 20:09:10,883 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 08:09:10 BoogieIcfgContainer [2023-12-02 20:09:10,883 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-02 20:09:10,884 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-02 20:09:10,884 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-02 20:09:10,884 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-02 20:09:10,885 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 08:09:09" (3/4) ... [2023-12-02 20:09:10,886 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-02 20:09:10,887 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-02 20:09:10,889 INFO L158 Benchmark]: Toolchain (without parser) took 2275.40ms. Allocated memory is still 148.9MB. Free memory was 105.1MB in the beginning and 74.3MB in the end (delta: 30.8MB). Peak memory consumption was 32.1MB. Max. memory is 16.1GB. [2023-12-02 20:09:10,889 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 102.8MB. Free memory is still 50.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 20:09:10,889 INFO L158 Benchmark]: CACSL2BoogieTranslator took 337.47ms. Allocated memory is still 148.9MB. Free memory was 104.7MB in the beginning and 89.1MB in the end (delta: 15.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-12-02 20:09:10,890 INFO L158 Benchmark]: Boogie Procedure Inliner took 51.64ms. Allocated memory is still 148.9MB. Free memory was 89.1MB in the beginning and 84.1MB in the end (delta: 5.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-12-02 20:09:10,891 INFO L158 Benchmark]: Boogie Preprocessor took 48.21ms. Allocated memory is still 148.9MB. Free memory was 84.1MB in the beginning and 81.6MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 20:09:10,891 INFO L158 Benchmark]: RCFGBuilder took 702.50ms. Allocated memory is still 148.9MB. Free memory was 81.6MB in the beginning and 61.7MB in the end (delta: 19.9MB). Peak memory consumption was 22.8MB. Max. memory is 16.1GB. [2023-12-02 20:09:10,892 INFO L158 Benchmark]: TraceAbstraction took 1124.94ms. Allocated memory is still 148.9MB. Free memory was 60.9MB in the beginning and 74.3MB in the end (delta: -13.3MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 20:09:10,892 INFO L158 Benchmark]: Witness Printer took 3.56ms. Allocated memory is still 148.9MB. Free memory is still 74.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 20:09:10,895 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 102.8MB. Free memory is still 50.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 337.47ms. Allocated memory is still 148.9MB. Free memory was 104.7MB in the beginning and 89.1MB in the end (delta: 15.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 51.64ms. Allocated memory is still 148.9MB. Free memory was 89.1MB in the beginning and 84.1MB in the end (delta: 5.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 48.21ms. Allocated memory is still 148.9MB. Free memory was 84.1MB in the beginning and 81.6MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 702.50ms. Allocated memory is still 148.9MB. Free memory was 81.6MB in the beginning and 61.7MB in the end (delta: 19.9MB). Peak memory consumption was 22.8MB. Max. memory is 16.1GB. * TraceAbstraction took 1124.94ms. Allocated memory is still 148.9MB. Free memory was 60.9MB in the beginning and 74.3MB in the end (delta: -13.3MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 3.56ms. Allocated memory is still 148.9MB. Free memory is still 74.3MB. 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 193, overapproximation of shiftRight at line 83, overapproximation of bitwiseAnd at line 74, overapproximation of someBinaryDOUBLEComparisonOperation at line 62, overapproximation of someBinaryArithmeticFLOAToperation at line 87. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned short int var_1_1 = 10; [L23] unsigned char var_1_2 = 1; [L24] double var_1_3 = 0.0; [L25] double var_1_4 = 128.2; [L26] double var_1_5 = 50.1; [L27] double var_1_6 = 64.5; [L28] unsigned short int var_1_7 = 1; [L29] unsigned char var_1_8 = 5; [L30] double var_1_9 = 15.35; [L31] unsigned char var_1_10 = 10; [L32] unsigned char var_1_11 = 2; [L33] signed long int var_1_12 = 32; [L34] signed long int var_1_13 = 256; [L35] signed char var_1_14 = 1; [L36] unsigned char var_1_15 = 128; [L37] unsigned char var_1_16 = 0; [L38] signed char var_1_17 = -64; [L39] unsigned short int var_1_18 = 64; [L40] unsigned short int var_1_20 = 8; [L41] unsigned char var_1_22 = 0; [L42] unsigned char var_1_25 = 1; [L43] unsigned char var_1_26 = 1; [L44] unsigned char var_1_28 = 0; [L45] double var_1_29 = 50.2; [L46] signed char var_1_32 = -25; [L47] unsigned char var_1_36 = 0; [L48] unsigned char var_1_37 = 0; [L49] signed short int var_1_38 = -4; [L50] float var_1_40 = 16.2; [L51] float var_1_41 = 10.75; [L52] float var_1_42 = 999.6; [L53] float var_1_43 = 64.5; [L54] signed long int var_1_44 = -2; [L55] signed short int var_1_45 = 2; [L56] unsigned char last_1_var_1_8 = 5; [L57] unsigned short int last_1_var_1_18 = 64; [L204] isInitial = 1 [L205] FCALL initially() [L206] COND TRUE 1 [L207] CALL updateLastVariables() [L196] last_1_var_1_8 = var_1_8 [L197] last_1_var_1_18 = var_1_18 [L207] RET updateLastVariables() [L208] CALL updateVariables() [L147] var_1_2 = __VERIFIER_nondet_uchar() [L148] CALL assume_abort_if_not(var_1_2 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=64, last_1_var_1_8=5, var_1_10=10, var_1_11=2, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=128, var_1_16=0, var_1_17=-64, var_1_18=64, var_1_1=10, var_1_20=8, var_1_22=0, var_1_25=1, var_1_26=1, var_1_28=0, var_1_29=251/5, var_1_32=-25, var_1_36=0, var_1_37=0, var_1_38=-4, var_1_3=0, var_1_40=81/5, var_1_41=43/4, var_1_42=4998/5, var_1_43=129/2, var_1_44=-2, var_1_45=2, var_1_4=641/5, var_1_5=501/10, var_1_6=129/2, var_1_7=1, var_1_8=5, var_1_9=307/20] [L20] COND FALSE !(!cond) [L148] RET assume_abort_if_not(var_1_2 >= 0) VAL [isInitial=1, last_1_var_1_18=64, last_1_var_1_8=5, var_1_10=10, var_1_11=2, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=128, var_1_16=0, var_1_17=-64, var_1_18=64, var_1_1=10, var_1_20=8, var_1_22=0, var_1_25=1, var_1_26=1, var_1_28=0, var_1_29=251/5, var_1_32=-25, var_1_36=0, var_1_37=0, var_1_38=-4, var_1_3=0, var_1_40=81/5, var_1_41=43/4, var_1_42=4998/5, var_1_43=129/2, var_1_44=-2, var_1_45=2, var_1_4=641/5, var_1_5=501/10, var_1_6=129/2, var_1_7=1, var_1_8=5, var_1_9=307/20] [L149] CALL assume_abort_if_not(var_1_2 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=64, last_1_var_1_8=5, var_1_10=10, var_1_11=2, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=128, var_1_16=0, var_1_17=-64, var_1_18=64, var_1_1=10, var_1_20=8, var_1_22=0, var_1_25=1, var_1_26=1, var_1_28=0, var_1_29=251/5, var_1_2=0, var_1_32=-25, var_1_36=0, var_1_37=0, var_1_38=-4, var_1_3=0, var_1_40=81/5, var_1_41=43/4, var_1_42=4998/5, var_1_43=129/2, var_1_44=-2, var_1_45=2, var_1_4=641/5, var_1_5=501/10, var_1_6=129/2, var_1_7=1, var_1_8=5, var_1_9=307/20] [L20] COND FALSE !(!cond) [L149] RET assume_abort_if_not(var_1_2 <= 1) VAL [isInitial=1, last_1_var_1_18=64, last_1_var_1_8=5, var_1_10=10, var_1_11=2, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=128, var_1_16=0, var_1_17=-64, var_1_18=64, var_1_1=10, var_1_20=8, var_1_22=0, var_1_25=1, var_1_26=1, var_1_28=0, var_1_29=251/5, var_1_2=0, var_1_32=-25, var_1_36=0, var_1_37=0, var_1_38=-4, var_1_3=0, var_1_40=81/5, var_1_41=43/4, var_1_42=4998/5, var_1_43=129/2, var_1_44=-2, var_1_45=2, var_1_4=641/5, var_1_5=501/10, var_1_6=129/2, var_1_7=1, var_1_8=5, var_1_9=307/20] [L150] var_1_3 = __VERIFIER_nondet_double() [L151] CALL assume_abort_if_not((var_1_3 >= 4611686.018427387900e+12F && var_1_3 <= -1.0e-20F) || (var_1_3 <= 9223372.036854776000e+12F && var_1_3 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=64, last_1_var_1_8=5, var_1_10=10, var_1_11=2, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=128, var_1_16=0, var_1_17=-64, var_1_18=64, var_1_1=10, var_1_20=8, var_1_22=0, var_1_25=1, var_1_26=1, var_1_28=0, var_1_29=251/5, var_1_2=0, var_1_32=-25, var_1_36=0, var_1_37=0, var_1_38=-4, var_1_40=81/5, var_1_41=43/4, var_1_42=4998/5, var_1_43=129/2, var_1_44=-2, var_1_45=2, var_1_4=641/5, var_1_5=501/10, var_1_6=129/2, var_1_7=1, var_1_8=5, var_1_9=307/20] [L20] COND FALSE !(!cond) [L151] RET assume_abort_if_not((var_1_3 >= 4611686.018427387900e+12F && var_1_3 <= -1.0e-20F) || (var_1_3 <= 9223372.036854776000e+12F && var_1_3 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_18=64, last_1_var_1_8=5, var_1_10=10, var_1_11=2, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=128, var_1_16=0, var_1_17=-64, var_1_18=64, var_1_1=10, var_1_20=8, var_1_22=0, var_1_25=1, var_1_26=1, var_1_28=0, var_1_29=251/5, var_1_2=0, var_1_32=-25, var_1_36=0, var_1_37=0, var_1_38=-4, var_1_40=81/5, var_1_41=43/4, var_1_42=4998/5, var_1_43=129/2, var_1_44=-2, var_1_45=2, var_1_4=641/5, var_1_5=501/10, var_1_6=129/2, var_1_7=1, var_1_8=5, var_1_9=307/20] [L152] var_1_4 = __VERIFIER_nondet_double() [L153] CALL assume_abort_if_not((var_1_4 >= 0.0F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 4611686.018427387900e+12F && var_1_4 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=64, last_1_var_1_8=5, var_1_10=10, var_1_11=2, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=128, var_1_16=0, var_1_17=-64, var_1_18=64, var_1_1=10, var_1_20=8, var_1_22=0, var_1_25=1, var_1_26=1, var_1_28=0, var_1_29=251/5, var_1_2=0, var_1_32=-25, var_1_36=0, var_1_37=0, var_1_38=-4, var_1_40=81/5, var_1_41=43/4, var_1_42=4998/5, var_1_43=129/2, var_1_44=-2, var_1_45=2, var_1_5=501/10, var_1_6=129/2, var_1_7=1, var_1_8=5, var_1_9=307/20] [L20] COND FALSE !(!cond) [L153] RET assume_abort_if_not((var_1_4 >= 0.0F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 4611686.018427387900e+12F && var_1_4 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_18=64, last_1_var_1_8=5, var_1_10=10, var_1_11=2, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=128, var_1_16=0, var_1_17=-64, var_1_18=64, var_1_1=10, var_1_20=8, var_1_22=0, var_1_25=1, var_1_26=1, var_1_28=0, var_1_29=251/5, var_1_2=0, var_1_32=-25, var_1_36=0, var_1_37=0, var_1_38=-4, var_1_40=81/5, var_1_41=43/4, var_1_42=4998/5, var_1_43=129/2, var_1_44=-2, var_1_45=2, var_1_5=501/10, var_1_6=129/2, var_1_7=1, var_1_8=5, var_1_9=307/20] [L154] var_1_5 = __VERIFIER_nondet_double() [L155] CALL assume_abort_if_not((var_1_5 >= 0.0F && var_1_5 <= -1.0e-20F) || (var_1_5 <= 9223372.036854776000e+12F && var_1_5 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=64, last_1_var_1_8=5, var_1_10=10, var_1_11=2, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=128, var_1_16=0, var_1_17=-64, var_1_18=64, var_1_1=10, var_1_20=8, var_1_22=0, var_1_25=1, var_1_26=1, var_1_28=0, var_1_29=251/5, var_1_2=0, var_1_32=-25, var_1_36=0, var_1_37=0, var_1_38=-4, var_1_40=81/5, var_1_41=43/4, var_1_42=4998/5, var_1_43=129/2, var_1_44=-2, var_1_45=2, var_1_6=129/2, var_1_7=1, var_1_8=5, var_1_9=307/20] [L20] COND FALSE !(!cond) [L155] RET assume_abort_if_not((var_1_5 >= 0.0F && var_1_5 <= -1.0e-20F) || (var_1_5 <= 9223372.036854776000e+12F && var_1_5 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_18=64, last_1_var_1_8=5, var_1_10=10, var_1_11=2, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=128, var_1_16=0, var_1_17=-64, var_1_18=64, var_1_1=10, var_1_20=8, var_1_22=0, var_1_25=1, var_1_26=1, var_1_28=0, var_1_29=251/5, var_1_2=0, var_1_32=-25, var_1_36=0, var_1_37=0, var_1_38=-4, var_1_40=81/5, var_1_41=43/4, var_1_42=4998/5, var_1_43=129/2, var_1_44=-2, var_1_45=2, var_1_6=129/2, var_1_7=1, var_1_8=5, var_1_9=307/20] [L156] var_1_6 = __VERIFIER_nondet_double() [L157] CALL assume_abort_if_not((var_1_6 >= 0.0F && var_1_6 <= -1.0e-20F) || (var_1_6 <= 9223372.036854776000e+12F && var_1_6 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=64, last_1_var_1_8=5, var_1_10=10, var_1_11=2, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=128, var_1_16=0, var_1_17=-64, var_1_18=64, var_1_1=10, var_1_20=8, var_1_22=0, var_1_25=1, var_1_26=1, var_1_28=0, var_1_29=251/5, var_1_2=0, var_1_32=-25, var_1_36=0, var_1_37=0, var_1_38=-4, var_1_40=81/5, var_1_41=43/4, var_1_42=4998/5, var_1_43=129/2, var_1_44=-2, var_1_45=2, var_1_7=1, var_1_8=5, var_1_9=307/20] [L20] COND FALSE !(!cond) [L157] RET assume_abort_if_not((var_1_6 >= 0.0F && var_1_6 <= -1.0e-20F) || (var_1_6 <= 9223372.036854776000e+12F && var_1_6 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_18=64, last_1_var_1_8=5, var_1_10=10, var_1_11=2, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=128, var_1_16=0, var_1_17=-64, var_1_18=64, var_1_1=10, var_1_20=8, var_1_22=0, var_1_25=1, var_1_26=1, var_1_28=0, var_1_29=251/5, var_1_2=0, var_1_32=-25, var_1_36=0, var_1_37=0, var_1_38=-4, var_1_40=81/5, var_1_41=43/4, var_1_42=4998/5, var_1_43=129/2, var_1_44=-2, var_1_45=2, var_1_7=1, var_1_8=5, var_1_9=307/20] [L158] var_1_7 = __VERIFIER_nondet_ushort() [L159] CALL assume_abort_if_not(var_1_7 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=64, last_1_var_1_8=5, var_1_10=10, var_1_11=2, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=128, var_1_16=0, var_1_17=-64, var_1_18=64, var_1_1=10, var_1_20=8, var_1_22=0, var_1_25=1, var_1_26=1, var_1_28=0, var_1_29=251/5, var_1_2=0, var_1_32=-25, var_1_36=0, var_1_37=0, var_1_38=-4, var_1_40=81/5, var_1_41=43/4, var_1_42=4998/5, var_1_43=129/2, var_1_44=-2, var_1_45=2, var_1_8=5, var_1_9=307/20] [L20] COND FALSE !(!cond) [L159] RET assume_abort_if_not(var_1_7 >= 0) VAL [isInitial=1, last_1_var_1_18=64, last_1_var_1_8=5, var_1_10=10, var_1_11=2, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=128, var_1_16=0, var_1_17=-64, var_1_18=64, var_1_1=10, var_1_20=8, var_1_22=0, var_1_25=1, var_1_26=1, var_1_28=0, var_1_29=251/5, var_1_2=0, var_1_32=-25, var_1_36=0, var_1_37=0, var_1_38=-4, var_1_40=81/5, var_1_41=43/4, var_1_42=4998/5, var_1_43=129/2, var_1_44=-2, var_1_45=2, var_1_8=5, var_1_9=307/20] [L160] CALL assume_abort_if_not(var_1_7 <= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=64, last_1_var_1_8=5, var_1_10=10, var_1_11=2, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=128, var_1_16=0, var_1_17=-64, var_1_18=64, var_1_1=10, var_1_20=8, var_1_22=0, var_1_25=1, var_1_26=1, var_1_28=0, var_1_29=251/5, var_1_2=0, var_1_32=-25, var_1_36=0, var_1_37=0, var_1_38=-4, var_1_40=81/5, var_1_41=43/4, var_1_42=4998/5, var_1_43=129/2, var_1_44=-2, var_1_45=2, var_1_7=0, var_1_8=5, var_1_9=307/20] [L20] COND FALSE !(!cond) [L160] RET assume_abort_if_not(var_1_7 <= 32767) VAL [isInitial=1, last_1_var_1_18=64, last_1_var_1_8=5, var_1_10=10, var_1_11=2, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=128, var_1_16=0, var_1_17=-64, var_1_18=64, var_1_1=10, var_1_20=8, var_1_22=0, var_1_25=1, var_1_26=1, var_1_28=0, var_1_29=251/5, var_1_2=0, var_1_32=-25, var_1_36=0, var_1_37=0, var_1_38=-4, var_1_40=81/5, var_1_41=43/4, var_1_42=4998/5, var_1_43=129/2, var_1_44=-2, var_1_45=2, var_1_7=0, var_1_8=5, var_1_9=307/20] [L161] var_1_9 = __VERIFIER_nondet_double() [L162] CALL assume_abort_if_not((var_1_9 >= -922337.2036854776000e+13F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 9223372.036854776000e+12F && var_1_9 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=64, last_1_var_1_8=5, var_1_10=10, var_1_11=2, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=128, var_1_16=0, var_1_17=-64, var_1_18=64, var_1_1=10, var_1_20=8, var_1_22=0, var_1_25=1, var_1_26=1, var_1_28=0, var_1_29=251/5, var_1_2=0, var_1_32=-25, var_1_36=0, var_1_37=0, var_1_38=-4, var_1_40=81/5, var_1_41=43/4, var_1_42=4998/5, var_1_43=129/2, var_1_44=-2, var_1_45=2, var_1_7=0, var_1_8=5] [L20] COND FALSE !(!cond) [L162] RET assume_abort_if_not((var_1_9 >= -922337.2036854776000e+13F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 9223372.036854776000e+12F && var_1_9 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_18=64, last_1_var_1_8=5, var_1_10=10, var_1_11=2, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=128, var_1_16=0, var_1_17=-64, var_1_18=64, var_1_1=10, var_1_20=8, var_1_22=0, var_1_25=1, var_1_26=1, var_1_28=0, var_1_29=251/5, var_1_2=0, var_1_32=-25, var_1_36=0, var_1_37=0, var_1_38=-4, var_1_40=81/5, var_1_41=43/4, var_1_42=4998/5, var_1_43=129/2, var_1_44=-2, var_1_45=2, var_1_7=0, var_1_8=5] [L163] CALL assume_abort_if_not(var_1_9 != 0.0F) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=64, last_1_var_1_8=5, var_1_10=10, var_1_11=2, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=128, var_1_16=0, var_1_17=-64, var_1_18=64, var_1_1=10, var_1_20=8, var_1_22=0, var_1_25=1, var_1_26=1, var_1_28=0, var_1_29=251/5, var_1_2=0, var_1_32=-25, var_1_36=0, var_1_37=0, var_1_38=-4, var_1_40=81/5, var_1_41=43/4, var_1_42=4998/5, var_1_43=129/2, var_1_44=-2, var_1_45=2, var_1_7=0, var_1_8=5] [L20] COND FALSE !(!cond) [L163] RET assume_abort_if_not(var_1_9 != 0.0F) VAL [isInitial=1, last_1_var_1_18=64, last_1_var_1_8=5, var_1_10=10, var_1_11=2, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=128, var_1_16=0, var_1_17=-64, var_1_18=64, var_1_1=10, var_1_20=8, var_1_22=0, var_1_25=1, var_1_26=1, var_1_28=0, var_1_29=251/5, var_1_2=0, var_1_32=-25, var_1_36=0, var_1_37=0, var_1_38=-4, var_1_40=81/5, var_1_41=43/4, var_1_42=4998/5, var_1_43=129/2, var_1_44=-2, var_1_45=2, var_1_7=0, var_1_8=5] [L164] var_1_10 = __VERIFIER_nondet_uchar() [L165] CALL assume_abort_if_not(var_1_10 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=64, last_1_var_1_8=5, var_1_11=2, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=128, var_1_16=0, var_1_17=-64, var_1_18=64, var_1_1=10, var_1_20=8, var_1_22=0, var_1_25=1, var_1_26=1, var_1_28=0, var_1_29=251/5, var_1_2=0, var_1_32=-25, var_1_36=0, var_1_37=0, var_1_38=-4, var_1_40=81/5, var_1_41=43/4, var_1_42=4998/5, var_1_43=129/2, var_1_44=-2, var_1_45=2, var_1_7=0, var_1_8=5] [L20] COND FALSE !(!cond) [L165] RET assume_abort_if_not(var_1_10 >= 0) VAL [isInitial=1, last_1_var_1_18=64, last_1_var_1_8=5, var_1_11=2, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=128, var_1_16=0, var_1_17=-64, var_1_18=64, var_1_1=10, var_1_20=8, var_1_22=0, var_1_25=1, var_1_26=1, var_1_28=0, var_1_29=251/5, var_1_2=0, var_1_32=-25, var_1_36=0, var_1_37=0, var_1_38=-4, var_1_40=81/5, var_1_41=43/4, var_1_42=4998/5, var_1_43=129/2, var_1_44=-2, var_1_45=2, var_1_7=0, var_1_8=5] [L166] CALL assume_abort_if_not(var_1_10 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=64, last_1_var_1_8=5, var_1_10=65, var_1_11=2, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=128, var_1_16=0, var_1_17=-64, var_1_18=64, var_1_1=10, var_1_20=8, var_1_22=0, var_1_25=1, var_1_26=1, var_1_28=0, var_1_29=251/5, var_1_2=0, var_1_32=-25, var_1_36=0, var_1_37=0, var_1_38=-4, var_1_40=81/5, var_1_41=43/4, var_1_42=4998/5, var_1_43=129/2, var_1_44=-2, var_1_45=2, var_1_7=0, var_1_8=5] [L20] COND FALSE !(!cond) [L166] RET assume_abort_if_not(var_1_10 <= 254) VAL [isInitial=1, last_1_var_1_18=64, last_1_var_1_8=5, var_1_10=65, var_1_11=2, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=128, var_1_16=0, var_1_17=-64, var_1_18=64, var_1_1=10, var_1_20=8, var_1_22=0, var_1_25=1, var_1_26=1, var_1_28=0, var_1_29=251/5, var_1_2=0, var_1_32=-25, var_1_36=0, var_1_37=0, var_1_38=-4, var_1_40=81/5, var_1_41=43/4, var_1_42=4998/5, var_1_43=129/2, var_1_44=-2, var_1_45=2, var_1_7=0, var_1_8=5] [L167] var_1_11 = __VERIFIER_nondet_uchar() [L168] CALL assume_abort_if_not(var_1_11 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=64, last_1_var_1_8=5, var_1_10=65, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=128, var_1_16=0, var_1_17=-64, var_1_18=64, var_1_1=10, var_1_20=8, var_1_22=0, var_1_25=1, var_1_26=1, var_1_28=0, var_1_29=251/5, var_1_2=0, var_1_32=-25, var_1_36=0, var_1_37=0, var_1_38=-4, var_1_40=81/5, var_1_41=43/4, var_1_42=4998/5, var_1_43=129/2, var_1_44=-2, var_1_45=2, var_1_7=0, var_1_8=5] [L20] COND FALSE !(!cond) [L168] RET assume_abort_if_not(var_1_11 >= 0) VAL [isInitial=1, last_1_var_1_18=64, last_1_var_1_8=5, var_1_10=65, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=128, var_1_16=0, var_1_17=-64, var_1_18=64, var_1_1=10, var_1_20=8, var_1_22=0, var_1_25=1, var_1_26=1, var_1_28=0, var_1_29=251/5, var_1_2=0, var_1_32=-25, var_1_36=0, var_1_37=0, var_1_38=-4, var_1_40=81/5, var_1_41=43/4, var_1_42=4998/5, var_1_43=129/2, var_1_44=-2, var_1_45=2, var_1_7=0, var_1_8=5] [L169] CALL assume_abort_if_not(var_1_11 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=64, last_1_var_1_8=5, var_1_10=65, var_1_11=0, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=128, var_1_16=0, var_1_17=-64, var_1_18=64, var_1_1=10, var_1_20=8, var_1_22=0, var_1_25=1, var_1_26=1, var_1_28=0, var_1_29=251/5, var_1_2=0, var_1_32=-25, var_1_36=0, var_1_37=0, var_1_38=-4, var_1_40=81/5, var_1_41=43/4, var_1_42=4998/5, var_1_43=129/2, var_1_44=-2, var_1_45=2, var_1_7=0, var_1_8=5] [L20] COND FALSE !(!cond) [L169] RET assume_abort_if_not(var_1_11 <= 254) VAL [isInitial=1, last_1_var_1_18=64, last_1_var_1_8=5, var_1_10=65, var_1_11=0, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=128, var_1_16=0, var_1_17=-64, var_1_18=64, var_1_1=10, var_1_20=8, var_1_22=0, var_1_25=1, var_1_26=1, var_1_28=0, var_1_29=251/5, var_1_2=0, var_1_32=-25, var_1_36=0, var_1_37=0, var_1_38=-4, var_1_40=81/5, var_1_41=43/4, var_1_42=4998/5, var_1_43=129/2, var_1_44=-2, var_1_45=2, var_1_7=0, var_1_8=5] [L170] var_1_15 = __VERIFIER_nondet_uchar() [L171] CALL assume_abort_if_not(var_1_15 >= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=64, last_1_var_1_8=5, var_1_10=65, var_1_11=0, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=129, var_1_16=0, var_1_17=-64, var_1_18=64, var_1_1=10, var_1_20=8, var_1_22=0, var_1_25=1, var_1_26=1, var_1_28=0, var_1_29=251/5, var_1_2=0, var_1_32=-25, var_1_36=0, var_1_37=0, var_1_38=-4, var_1_40=81/5, var_1_41=43/4, var_1_42=4998/5, var_1_43=129/2, var_1_44=-2, var_1_45=2, var_1_7=0, var_1_8=5] [L20] COND FALSE !(!cond) [L171] RET assume_abort_if_not(var_1_15 >= 127) VAL [isInitial=1, last_1_var_1_18=64, last_1_var_1_8=5, var_1_10=65, var_1_11=0, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=129, var_1_16=0, var_1_17=-64, var_1_18=64, var_1_1=10, var_1_20=8, var_1_22=0, var_1_25=1, var_1_26=1, var_1_28=0, var_1_29=251/5, var_1_2=0, var_1_32=-25, var_1_36=0, var_1_37=0, var_1_38=-4, var_1_40=81/5, var_1_41=43/4, var_1_42=4998/5, var_1_43=129/2, var_1_44=-2, var_1_45=2, var_1_7=0, var_1_8=5] [L172] CALL assume_abort_if_not(var_1_15 <= 255) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=64, last_1_var_1_8=5, var_1_10=65, var_1_11=0, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=129, var_1_16=0, var_1_17=-64, var_1_18=64, var_1_1=10, var_1_20=8, var_1_22=0, var_1_25=1, var_1_26=1, var_1_28=0, var_1_29=251/5, var_1_2=0, var_1_32=-25, var_1_36=0, var_1_37=0, var_1_38=-4, var_1_40=81/5, var_1_41=43/4, var_1_42=4998/5, var_1_43=129/2, var_1_44=-2, var_1_45=2, var_1_7=0, var_1_8=5] [L20] COND FALSE !(!cond) [L172] RET assume_abort_if_not(var_1_15 <= 255) VAL [isInitial=1, last_1_var_1_18=64, last_1_var_1_8=5, var_1_10=65, var_1_11=0, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=129, var_1_16=0, var_1_17=-64, var_1_18=64, var_1_1=10, var_1_20=8, var_1_22=0, var_1_25=1, var_1_26=1, var_1_28=0, var_1_29=251/5, var_1_2=0, var_1_32=-25, var_1_36=0, var_1_37=0, var_1_38=-4, var_1_40=81/5, var_1_41=43/4, var_1_42=4998/5, var_1_43=129/2, var_1_44=-2, var_1_45=2, var_1_7=0, var_1_8=5] [L173] var_1_16 = __VERIFIER_nondet_uchar() [L174] CALL assume_abort_if_not(var_1_16 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=64, last_1_var_1_8=5, var_1_10=65, var_1_11=0, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=129, var_1_17=-64, var_1_18=64, var_1_1=10, var_1_20=8, var_1_22=0, var_1_25=1, var_1_26=1, var_1_28=0, var_1_29=251/5, var_1_2=0, var_1_32=-25, var_1_36=0, var_1_37=0, var_1_38=-4, var_1_40=81/5, var_1_41=43/4, var_1_42=4998/5, var_1_43=129/2, var_1_44=-2, var_1_45=2, var_1_7=0, var_1_8=5] [L20] COND FALSE !(!cond) [L174] RET assume_abort_if_not(var_1_16 >= 0) VAL [isInitial=1, last_1_var_1_18=64, last_1_var_1_8=5, var_1_10=65, var_1_11=0, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=129, var_1_17=-64, var_1_18=64, var_1_1=10, var_1_20=8, var_1_22=0, var_1_25=1, var_1_26=1, var_1_28=0, var_1_29=251/5, var_1_2=0, var_1_32=-25, var_1_36=0, var_1_37=0, var_1_38=-4, var_1_40=81/5, var_1_41=43/4, var_1_42=4998/5, var_1_43=129/2, var_1_44=-2, var_1_45=2, var_1_7=0, var_1_8=5] [L175] CALL assume_abort_if_not(var_1_16 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=64, last_1_var_1_8=5, var_1_10=65, var_1_11=0, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=129, var_1_16=65, var_1_17=-64, var_1_18=64, var_1_1=10, var_1_20=8, var_1_22=0, var_1_25=1, var_1_26=1, var_1_28=0, var_1_29=251/5, var_1_2=0, var_1_32=-25, var_1_36=0, var_1_37=0, var_1_38=-4, var_1_40=81/5, var_1_41=43/4, var_1_42=4998/5, var_1_43=129/2, var_1_44=-2, var_1_45=2, var_1_7=0, var_1_8=5] [L20] COND FALSE !(!cond) [L175] RET assume_abort_if_not(var_1_16 <= 127) VAL [isInitial=1, last_1_var_1_18=64, last_1_var_1_8=5, var_1_10=65, var_1_11=0, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=129, var_1_16=65, var_1_17=-64, var_1_18=64, var_1_1=10, var_1_20=8, var_1_22=0, var_1_25=1, var_1_26=1, var_1_28=0, var_1_29=251/5, var_1_2=0, var_1_32=-25, var_1_36=0, var_1_37=0, var_1_38=-4, var_1_40=81/5, var_1_41=43/4, var_1_42=4998/5, var_1_43=129/2, var_1_44=-2, var_1_45=2, var_1_7=0, var_1_8=5] [L176] var_1_17 = __VERIFIER_nondet_char() [L177] CALL assume_abort_if_not(var_1_17 >= -126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=64, last_1_var_1_8=5, var_1_10=65, var_1_11=0, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=129, var_1_16=65, var_1_17=0, var_1_18=64, var_1_1=10, var_1_20=8, var_1_22=0, var_1_25=1, var_1_26=1, var_1_28=0, var_1_29=251/5, var_1_2=0, var_1_32=-25, var_1_36=0, var_1_37=0, var_1_38=-4, var_1_40=81/5, var_1_41=43/4, var_1_42=4998/5, var_1_43=129/2, var_1_44=-2, var_1_45=2, var_1_7=0, var_1_8=5] [L20] COND FALSE !(!cond) [L177] RET assume_abort_if_not(var_1_17 >= -126) VAL [isInitial=1, last_1_var_1_18=64, last_1_var_1_8=5, var_1_10=65, var_1_11=0, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=129, var_1_16=65, var_1_17=0, var_1_18=64, var_1_1=10, var_1_20=8, var_1_22=0, var_1_25=1, var_1_26=1, var_1_28=0, var_1_29=251/5, var_1_2=0, var_1_32=-25, var_1_36=0, var_1_37=0, var_1_38=-4, var_1_40=81/5, var_1_41=43/4, var_1_42=4998/5, var_1_43=129/2, var_1_44=-2, var_1_45=2, var_1_7=0, var_1_8=5] [L178] CALL assume_abort_if_not(var_1_17 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=64, last_1_var_1_8=5, var_1_10=65, var_1_11=0, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=129, var_1_16=65, var_1_17=0, var_1_18=64, var_1_1=10, var_1_20=8, var_1_22=0, var_1_25=1, var_1_26=1, var_1_28=0, var_1_29=251/5, var_1_2=0, var_1_32=-25, var_1_36=0, var_1_37=0, var_1_38=-4, var_1_40=81/5, var_1_41=43/4, var_1_42=4998/5, var_1_43=129/2, var_1_44=-2, var_1_45=2, var_1_7=0, var_1_8=5] [L20] COND FALSE !(!cond) [L178] RET assume_abort_if_not(var_1_17 <= 126) VAL [isInitial=1, last_1_var_1_18=64, last_1_var_1_8=5, var_1_10=65, var_1_11=0, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=129, var_1_16=65, var_1_17=0, var_1_18=64, var_1_1=10, var_1_20=8, var_1_22=0, var_1_25=1, var_1_26=1, var_1_28=0, var_1_29=251/5, var_1_2=0, var_1_32=-25, var_1_36=0, var_1_37=0, var_1_38=-4, var_1_40=81/5, var_1_41=43/4, var_1_42=4998/5, var_1_43=129/2, var_1_44=-2, var_1_45=2, var_1_7=0, var_1_8=5] [L179] var_1_25 = __VERIFIER_nondet_uchar() [L180] CALL assume_abort_if_not(var_1_25 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=64, last_1_var_1_8=5, var_1_10=65, var_1_11=0, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=129, var_1_16=65, var_1_17=0, var_1_18=64, var_1_1=10, var_1_20=8, var_1_22=0, var_1_25=1, var_1_26=1, var_1_28=0, var_1_29=251/5, var_1_2=0, var_1_32=-25, var_1_36=0, var_1_37=0, var_1_38=-4, var_1_40=81/5, var_1_41=43/4, var_1_42=4998/5, var_1_43=129/2, var_1_44=-2, var_1_45=2, var_1_7=0, var_1_8=5] [L20] COND FALSE !(!cond) [L180] RET assume_abort_if_not(var_1_25 >= 1) VAL [isInitial=1, last_1_var_1_18=64, last_1_var_1_8=5, var_1_10=65, var_1_11=0, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=129, var_1_16=65, var_1_17=0, var_1_18=64, var_1_1=10, var_1_20=8, var_1_22=0, var_1_25=1, var_1_26=1, var_1_28=0, var_1_29=251/5, var_1_2=0, var_1_32=-25, var_1_36=0, var_1_37=0, var_1_38=-4, var_1_40=81/5, var_1_41=43/4, var_1_42=4998/5, var_1_43=129/2, var_1_44=-2, var_1_45=2, var_1_7=0, var_1_8=5] [L181] CALL assume_abort_if_not(var_1_25 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=64, last_1_var_1_8=5, var_1_10=65, var_1_11=0, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=129, var_1_16=65, var_1_17=0, var_1_18=64, var_1_1=10, var_1_20=8, var_1_22=0, var_1_25=1, var_1_26=1, var_1_28=0, var_1_29=251/5, var_1_2=0, var_1_32=-25, var_1_36=0, var_1_37=0, var_1_38=-4, var_1_40=81/5, var_1_41=43/4, var_1_42=4998/5, var_1_43=129/2, var_1_44=-2, var_1_45=2, var_1_7=0, var_1_8=5] [L20] COND FALSE !(!cond) [L181] RET assume_abort_if_not(var_1_25 <= 1) VAL [isInitial=1, last_1_var_1_18=64, last_1_var_1_8=5, var_1_10=65, var_1_11=0, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=129, var_1_16=65, var_1_17=0, var_1_18=64, var_1_1=10, var_1_20=8, var_1_22=0, var_1_25=1, var_1_26=1, var_1_28=0, var_1_29=251/5, var_1_2=0, var_1_32=-25, var_1_36=0, var_1_37=0, var_1_38=-4, var_1_40=81/5, var_1_41=43/4, var_1_42=4998/5, var_1_43=129/2, var_1_44=-2, var_1_45=2, var_1_7=0, var_1_8=5] [L182] var_1_28 = __VERIFIER_nondet_uchar() [L183] CALL assume_abort_if_not(var_1_28 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=64, last_1_var_1_8=5, var_1_10=65, var_1_11=0, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=129, var_1_16=65, var_1_17=0, var_1_18=64, var_1_1=10, var_1_20=8, var_1_22=0, var_1_25=1, var_1_26=1, var_1_29=251/5, var_1_2=0, var_1_32=-25, var_1_36=0, var_1_37=0, var_1_38=-4, var_1_40=81/5, var_1_41=43/4, var_1_42=4998/5, var_1_43=129/2, var_1_44=-2, var_1_45=2, var_1_7=0, var_1_8=5] [L20] COND FALSE !(!cond) [L183] RET assume_abort_if_not(var_1_28 >= 0) VAL [isInitial=1, last_1_var_1_18=64, last_1_var_1_8=5, var_1_10=65, var_1_11=0, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=129, var_1_16=65, var_1_17=0, var_1_18=64, var_1_1=10, var_1_20=8, var_1_22=0, var_1_25=1, var_1_26=1, var_1_29=251/5, var_1_2=0, var_1_32=-25, var_1_36=0, var_1_37=0, var_1_38=-4, var_1_40=81/5, var_1_41=43/4, var_1_42=4998/5, var_1_43=129/2, var_1_44=-2, var_1_45=2, var_1_7=0, var_1_8=5] [L184] CALL assume_abort_if_not(var_1_28 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=64, last_1_var_1_8=5, var_1_10=65, var_1_11=0, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=129, var_1_16=65, var_1_17=0, var_1_18=64, var_1_1=10, var_1_20=8, var_1_22=0, var_1_25=1, var_1_26=1, var_1_28=0, var_1_29=251/5, var_1_2=0, var_1_32=-25, var_1_36=0, var_1_37=0, var_1_38=-4, var_1_40=81/5, var_1_41=43/4, var_1_42=4998/5, var_1_43=129/2, var_1_44=-2, var_1_45=2, var_1_7=0, var_1_8=5] [L20] COND FALSE !(!cond) [L184] RET assume_abort_if_not(var_1_28 <= 0) VAL [isInitial=1, last_1_var_1_18=64, last_1_var_1_8=5, var_1_10=65, var_1_11=0, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=129, var_1_16=65, var_1_17=0, var_1_18=64, var_1_1=10, var_1_20=8, var_1_22=0, var_1_25=1, var_1_26=1, var_1_28=0, var_1_29=251/5, var_1_2=0, var_1_32=-25, var_1_36=0, var_1_37=0, var_1_38=-4, var_1_40=81/5, var_1_41=43/4, var_1_42=4998/5, var_1_43=129/2, var_1_44=-2, var_1_45=2, var_1_7=0, var_1_8=5] [L185] var_1_37 = __VERIFIER_nondet_uchar() [L186] CALL assume_abort_if_not(var_1_37 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=64, last_1_var_1_8=5, var_1_10=65, var_1_11=0, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=129, var_1_16=65, var_1_17=0, var_1_18=64, var_1_1=10, var_1_20=8, var_1_22=0, var_1_25=1, var_1_26=1, var_1_28=0, var_1_29=251/5, var_1_2=0, var_1_32=-25, var_1_36=0, var_1_38=-4, var_1_40=81/5, var_1_41=43/4, var_1_42=4998/5, var_1_43=129/2, var_1_44=-2, var_1_45=2, var_1_7=0, var_1_8=5] [L20] COND FALSE !(!cond) [L186] RET assume_abort_if_not(var_1_37 >= 0) VAL [isInitial=1, last_1_var_1_18=64, last_1_var_1_8=5, var_1_10=65, var_1_11=0, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=129, var_1_16=65, var_1_17=0, var_1_18=64, var_1_1=10, var_1_20=8, var_1_22=0, var_1_25=1, var_1_26=1, var_1_28=0, var_1_29=251/5, var_1_2=0, var_1_32=-25, var_1_36=0, var_1_38=-4, var_1_40=81/5, var_1_41=43/4, var_1_42=4998/5, var_1_43=129/2, var_1_44=-2, var_1_45=2, var_1_7=0, var_1_8=5] [L187] CALL assume_abort_if_not(var_1_37 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=64, last_1_var_1_8=5, var_1_10=65, var_1_11=0, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=129, var_1_16=65, var_1_17=0, var_1_18=64, var_1_1=10, var_1_20=8, var_1_22=0, var_1_25=1, var_1_26=1, var_1_28=0, var_1_29=251/5, var_1_2=0, var_1_32=-25, var_1_36=0, var_1_37=0, var_1_38=-4, var_1_40=81/5, var_1_41=43/4, var_1_42=4998/5, var_1_43=129/2, var_1_44=-2, var_1_45=2, var_1_7=0, var_1_8=5] [L20] COND FALSE !(!cond) [L187] RET assume_abort_if_not(var_1_37 <= 0) VAL [isInitial=1, last_1_var_1_18=64, last_1_var_1_8=5, var_1_10=65, var_1_11=0, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=129, var_1_16=65, var_1_17=0, var_1_18=64, var_1_1=10, var_1_20=8, var_1_22=0, var_1_25=1, var_1_26=1, var_1_28=0, var_1_29=251/5, var_1_2=0, var_1_32=-25, var_1_36=0, var_1_37=0, var_1_38=-4, var_1_40=81/5, var_1_41=43/4, var_1_42=4998/5, var_1_43=129/2, var_1_44=-2, var_1_45=2, var_1_7=0, var_1_8=5] [L188] var_1_41 = __VERIFIER_nondet_float() [L189] CALL assume_abort_if_not((var_1_41 >= -461168.6018427382800e+13F && var_1_41 <= -1.0e-20F) || (var_1_41 <= 4611686.018427382800e+12F && var_1_41 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=64, last_1_var_1_8=5, var_1_10=65, var_1_11=0, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=129, var_1_16=65, var_1_17=0, var_1_18=64, var_1_1=10, var_1_20=8, var_1_22=0, var_1_25=1, var_1_26=1, var_1_28=0, var_1_29=251/5, var_1_2=0, var_1_32=-25, var_1_36=0, var_1_37=0, var_1_38=-4, var_1_40=81/5, var_1_42=4998/5, var_1_43=129/2, var_1_44=-2, var_1_45=2, var_1_7=0, var_1_8=5] [L20] COND FALSE !(!cond) [L189] RET assume_abort_if_not((var_1_41 >= -461168.6018427382800e+13F && var_1_41 <= -1.0e-20F) || (var_1_41 <= 4611686.018427382800e+12F && var_1_41 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_18=64, last_1_var_1_8=5, var_1_10=65, var_1_11=0, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=129, var_1_16=65, var_1_17=0, var_1_18=64, var_1_1=10, var_1_20=8, var_1_22=0, var_1_25=1, var_1_26=1, var_1_28=0, var_1_29=251/5, var_1_2=0, var_1_32=-25, var_1_36=0, var_1_37=0, var_1_38=-4, var_1_40=81/5, var_1_42=4998/5, var_1_43=129/2, var_1_44=-2, var_1_45=2, var_1_7=0, var_1_8=5] [L190] var_1_42 = __VERIFIER_nondet_float() [L191] CALL assume_abort_if_not((var_1_42 >= -461168.6018427382800e+13F && var_1_42 <= -1.0e-20F) || (var_1_42 <= 4611686.018427382800e+12F && var_1_42 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=64, last_1_var_1_8=5, var_1_10=65, var_1_11=0, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=129, var_1_16=65, var_1_17=0, var_1_18=64, var_1_1=10, var_1_20=8, var_1_22=0, var_1_25=1, var_1_26=1, var_1_28=0, var_1_29=251/5, var_1_2=0, var_1_32=-25, var_1_36=0, var_1_37=0, var_1_38=-4, var_1_40=81/5, var_1_43=129/2, var_1_44=-2, var_1_45=2, var_1_7=0, var_1_8=5] [L20] COND FALSE !(!cond) [L191] RET assume_abort_if_not((var_1_42 >= -461168.6018427382800e+13F && var_1_42 <= -1.0e-20F) || (var_1_42 <= 4611686.018427382800e+12F && var_1_42 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_18=64, last_1_var_1_8=5, var_1_10=65, var_1_11=0, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=129, var_1_16=65, var_1_17=0, var_1_18=64, var_1_1=10, var_1_20=8, var_1_22=0, var_1_25=1, var_1_26=1, var_1_28=0, var_1_29=251/5, var_1_2=0, var_1_32=-25, var_1_36=0, var_1_37=0, var_1_38=-4, var_1_40=81/5, var_1_43=129/2, var_1_44=-2, var_1_45=2, var_1_7=0, var_1_8=5] [L192] var_1_43 = __VERIFIER_nondet_float() [L193] CALL assume_abort_if_not((var_1_43 >= -461168.6018427382800e+13F && var_1_43 <= -1.0e-20F) || (var_1_43 <= 4611686.018427382800e+12F && var_1_43 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=64, last_1_var_1_8=5, var_1_10=65, var_1_11=0, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=129, var_1_16=65, var_1_17=0, var_1_18=64, var_1_1=10, var_1_20=8, var_1_22=0, var_1_25=1, var_1_26=1, var_1_28=0, var_1_29=251/5, var_1_2=0, var_1_32=-25, var_1_36=0, var_1_37=0, var_1_38=-4, var_1_40=81/5, var_1_44=-2, var_1_45=2, var_1_7=0, var_1_8=5] [L20] COND FALSE !(!cond) [L193] RET assume_abort_if_not((var_1_43 >= -461168.6018427382800e+13F && var_1_43 <= -1.0e-20F) || (var_1_43 <= 4611686.018427382800e+12F && var_1_43 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_18=64, last_1_var_1_8=5, var_1_10=65, var_1_11=0, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=129, var_1_16=65, var_1_17=0, var_1_18=64, var_1_1=10, var_1_20=8, var_1_22=0, var_1_25=1, var_1_26=1, var_1_28=0, var_1_29=251/5, var_1_2=0, var_1_32=-25, var_1_36=0, var_1_37=0, var_1_38=-4, var_1_40=81/5, var_1_44=-2, var_1_45=2, var_1_7=0, var_1_8=5] [L208] RET updateVariables() [L209] CALL step() [L61] var_1_20 = var_1_11 [L62] COND TRUE var_1_2 || (2.65f > var_1_3) [L63] var_1_22 = (! (! var_1_25)) [L65] COND FALSE !(\read(var_1_2)) [L68] COND FALSE !(\read(var_1_2)) [L71] COND FALSE !((((((var_1_15) < 0 ) ? -(var_1_15) : (var_1_15))) - ((((var_1_16) < 0 ) ? -(var_1_16) : (var_1_16)))) <= var_1_11) [L74] EXPR var_1_16 & var_1_15 [L74] COND FALSE !((var_1_16 & var_1_15) <= ((var_1_15 - var_1_16) + -16)) [L77] COND FALSE !(\read(var_1_28)) [L80] var_1_36 = var_1_37 [L83] EXPR var_1_11 >> var_1_16 [L83] COND TRUE ((var_1_11 | 1) % var_1_15) >= (var_1_11 >> var_1_16) [L84] var_1_38 = (((((((var_1_15) < 0 ) ? -(var_1_15) : (var_1_15))) < 0 ) ? -((((var_1_15) < 0 ) ? -(var_1_15) : (var_1_15))) : ((((var_1_15) < 0 ) ? -(var_1_15) : (var_1_15))))) [L86] COND FALSE !(\read(var_1_37)) [L89] COND FALSE !(\read(var_1_2)) [L92] var_1_45 = var_1_18 [L93] COND FALSE !(\read(var_1_2)) [L100] var_1_1 = 1 [L102] unsigned short int stepLocal_0 = var_1_1; [L103] COND TRUE var_1_6 > (var_1_5 / ((((var_1_3) > (var_1_9)) ? (var_1_3) : (var_1_9)))) [L104] var_1_8 = ((((var_1_10) < 0 ) ? -(var_1_10) : (var_1_10))) [L112] COND FALSE !(\read(var_1_2)) [L121] var_1_12 = last_1_var_1_18 [L123] signed long int stepLocal_1 = ((((var_1_15 - var_1_16)) > (var_1_12)) ? ((var_1_15 - var_1_16)) : (var_1_12)); [L124] COND FALSE !(var_1_10 == stepLocal_1) [L127] var_1_14 = var_1_17 [L129] COND FALSE !(\read(var_1_2)) [L132] COND FALSE !(var_1_8 == var_1_13) [L135] COND TRUE last_1_var_1_18 != var_1_16 [L136] COND FALSE !(-256 >= var_1_13) [L139] var_1_18 = var_1_15 [L209] RET step() [L210] CALL, EXPR property() [L200-L201] return (((((var_1_2 ? ((((var_1_3 - var_1_4) - var_1_5) == (15.75 - var_1_6)) ? (var_1_1 == ((unsigned short int) (5 + last_1_var_1_8))) : (var_1_1 == ((unsigned short int) last_1_var_1_8))) : (var_1_1 == ((unsigned short int) 1))) && ((var_1_6 > (var_1_5 / ((((var_1_3) > (var_1_9)) ? (var_1_3) : (var_1_9))))) ? (var_1_8 == ((unsigned char) ((((var_1_10) < 0 ) ? -(var_1_10) : (var_1_10))))) : ((var_1_1 <= var_1_7) ? (var_1_8 == ((unsigned char) var_1_10)) : (var_1_8 == ((unsigned char) var_1_11))))) && (var_1_2 ? ((-128 > var_1_10) ? ((var_1_3 >= (2.75 / var_1_9)) ? (var_1_12 == ((signed long int) (var_1_11 + (last_1_var_1_18 + var_1_10)))) : (var_1_12 == ((signed long int) last_1_var_1_18))) : 1) : (var_1_12 == ((signed long int) last_1_var_1_18)))) && (var_1_2 ? (var_1_13 == ((signed long int) var_1_11)) : 1)) && ((var_1_10 == (((((var_1_15 - var_1_16)) > (var_1_12)) ? ((var_1_15 - var_1_16)) : (var_1_12)))) ? (var_1_14 == ((signed char) ((((var_1_17) < 0 ) ? -(var_1_17) : (var_1_17))))) : (var_1_14 == ((signed char) var_1_17)))) && ((var_1_8 == var_1_13) ? (var_1_18 == ((unsigned short int) (var_1_10 + ((((var_1_14) < (var_1_16)) ? (var_1_14) : (var_1_16)))))) : ((last_1_var_1_18 != var_1_16) ? ((-256 >= var_1_13) ? (var_1_18 == ((unsigned short int) var_1_16)) : (var_1_18 == ((unsigned short int) var_1_15))) : (var_1_18 == ((unsigned short int) var_1_10)))) ; [L210] RET, EXPR property() [L210] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_18=64, last_1_var_1_8=5, var_1_10=65, var_1_11=0, var_1_12=64, var_1_13=256, var_1_14=0, var_1_15=129, var_1_16=65, var_1_17=0, var_1_18=129, var_1_1=1, var_1_20=0, var_1_22=1, var_1_25=1, var_1_26=1, var_1_28=0, var_1_29=251/5, var_1_2=0, var_1_32=-25, var_1_36=0, var_1_37=0, var_1_38=129, var_1_40=81/5, var_1_44=-2, var_1_45=64, var_1_4=0, var_1_7=0, var_1_8=65] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_18=64, last_1_var_1_8=5, var_1_10=65, var_1_11=0, var_1_12=64, var_1_13=256, var_1_14=0, var_1_15=129, var_1_16=65, var_1_17=0, var_1_18=129, var_1_1=1, var_1_20=0, var_1_22=1, var_1_25=1, var_1_26=1, var_1_28=0, var_1_29=251/5, var_1_2=0, var_1_32=-25, var_1_36=0, var_1_37=0, var_1_38=129, var_1_40=81/5, var_1_44=-2, var_1_45=64, var_1_4=0, var_1_7=0, var_1_8=65] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 56 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.0s, OverallIterations: 1, TraceHistogramMax: 29, 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=56occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 109 NumberOfCodeBlocks, 109 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 [2023-12-02 20:09:10,916 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_111d1386-fc3a-4c73-a092-e1a07a5d771d/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_111d1386-fc3a-4c73-a092-e1a07a5d771d/bin/utaipan-verify-nQ1chXbOIh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_111d1386-fc3a-4c73-a092-e1a07a5d771d/bin/utaipan-verify-nQ1chXbOIh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_111d1386-fc3a-4c73-a092-e1a07a5d771d/bin/utaipan-verify-nQ1chXbOIh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_111d1386-fc3a-4c73-a092-e1a07a5d771d/bin/utaipan-verify-nQ1chXbOIh/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-48.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_111d1386-fc3a-4c73-a092-e1a07a5d771d/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_111d1386-fc3a-4c73-a092-e1a07a5d771d/bin/utaipan-verify-nQ1chXbOIh --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 12d6d24ada43a89a4eca053b99e113ed2849ef8ba81bc1d009eb54d431f777d1 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 20:09:12,840 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 20:09:12,916 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_111d1386-fc3a-4c73-a092-e1a07a5d771d/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2023-12-02 20:09:12,922 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 20:09:12,923 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-02 20:09:12,951 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 20:09:12,952 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-02 20:09:12,952 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-02 20:09:12,953 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 20:09:12,953 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-02 20:09:12,954 INFO L153 SettingsManager]: * User list type=DISABLED [2023-12-02 20:09:12,955 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-12-02 20:09:12,955 INFO L153 SettingsManager]: * Explicit value domain=true [2023-12-02 20:09:12,956 INFO L153 SettingsManager]: * Octagon Domain=false [2023-12-02 20:09:12,956 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-12-02 20:09:12,957 INFO L153 SettingsManager]: * Interval Domain=false [2023-12-02 20:09:12,958 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 20:09:12,958 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 20:09:12,959 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 20:09:12,959 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 20:09:12,960 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 20:09:12,960 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 20:09:12,961 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 20:09:12,961 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 20:09:12,962 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-02 20:09:12,962 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-02 20:09:12,963 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-02 20:09:12,963 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 20:09:12,963 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 20:09:12,964 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 20:09:12,964 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 20:09:12,965 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-02 20:09:12,965 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-02 20:09:12,965 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-02 20:09:12,965 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 20:09:12,966 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 20:09:12,966 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 20:09:12,966 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 20:09:12,966 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-02 20:09:12,967 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 20:09:12,967 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-02 20:09:12,967 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 20:09:12,967 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-12-02 20:09:12,968 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 20:09:12,968 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_111d1386-fc3a-4c73-a092-e1a07a5d771d/bin/utaipan-verify-nQ1chXbOIh/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_111d1386-fc3a-4c73-a092-e1a07a5d771d/bin/utaipan-verify-nQ1chXbOIh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 12d6d24ada43a89a4eca053b99e113ed2849ef8ba81bc1d009eb54d431f777d1 [2023-12-02 20:09:13,268 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 20:09:13,289 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 20:09:13,291 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 20:09:13,293 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 20:09:13,293 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 20:09:13,294 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_111d1386-fc3a-4c73-a092-e1a07a5d771d/bin/utaipan-verify-nQ1chXbOIh/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-48.i [2023-12-02 20:09:16,085 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 20:09:16,310 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 20:09:16,311 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_111d1386-fc3a-4c73-a092-e1a07a5d771d/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-48.i [2023-12-02 20:09:16,321 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_111d1386-fc3a-4c73-a092-e1a07a5d771d/bin/utaipan-verify-nQ1chXbOIh/data/4d081eb10/f5562c4233aa46989fc02f7e8a8abd90/FLAGadd921718 [2023-12-02 20:09:16,334 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_111d1386-fc3a-4c73-a092-e1a07a5d771d/bin/utaipan-verify-nQ1chXbOIh/data/4d081eb10/f5562c4233aa46989fc02f7e8a8abd90 [2023-12-02 20:09:16,336 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 20:09:16,338 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 20:09:16,339 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 20:09:16,339 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 20:09:16,344 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 20:09:16,345 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 08:09:16" (1/1) ... [2023-12-02 20:09:16,346 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4d14fd1a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:09:16, skipping insertion in model container [2023-12-02 20:09:16,346 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 08:09:16" (1/1) ... [2023-12-02 20:09:16,383 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 20:09:16,542 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_111d1386-fc3a-4c73-a092-e1a07a5d771d/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-48.i[919,932] [2023-12-02 20:09:16,613 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 20:09:16,631 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 20:09:16,645 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_111d1386-fc3a-4c73-a092-e1a07a5d771d/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-48.i[919,932] [2023-12-02 20:09:16,686 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 20:09:16,707 INFO L206 MainTranslator]: Completed translation [2023-12-02 20:09:16,708 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:09:16 WrapperNode [2023-12-02 20:09:16,708 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 20:09:16,709 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 20:09:16,709 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 20:09:16,710 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 20:09:16,718 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:09:16" (1/1) ... [2023-12-02 20:09:16,733 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:09:16" (1/1) ... [2023-12-02 20:09:16,765 INFO L138 Inliner]: procedures = 27, calls = 42, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 206 [2023-12-02 20:09:16,765 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 20:09:16,766 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 20:09:16,766 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 20:09:16,766 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 20:09:16,776 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:09:16" (1/1) ... [2023-12-02 20:09:16,776 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:09:16" (1/1) ... [2023-12-02 20:09:16,781 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:09:16" (1/1) ... [2023-12-02 20:09:16,782 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:09:16" (1/1) ... [2023-12-02 20:09:16,804 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:09:16" (1/1) ... [2023-12-02 20:09:16,808 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:09:16" (1/1) ... [2023-12-02 20:09:16,811 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:09:16" (1/1) ... [2023-12-02 20:09:16,814 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:09:16" (1/1) ... [2023-12-02 20:09:16,819 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 20:09:16,820 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 20:09:16,820 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 20:09:16,821 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 20:09:16,822 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:09:16" (1/1) ... [2023-12-02 20:09:16,829 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 20:09:16,843 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_111d1386-fc3a-4c73-a092-e1a07a5d771d/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 20:09:16,855 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_111d1386-fc3a-4c73-a092-e1a07a5d771d/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-12-02 20:09:16,859 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_111d1386-fc3a-4c73-a092-e1a07a5d771d/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-12-02 20:09:16,886 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 20:09:16,886 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-02 20:09:16,886 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-02 20:09:16,886 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-02 20:09:16,886 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 20:09:16,886 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 20:09:16,982 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 20:09:16,984 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 20:09:31,625 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 20:09:31,685 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 20:09:31,685 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-02 20:09:31,686 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 08:09:31 BoogieIcfgContainer [2023-12-02 20:09:31,686 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 20:09:31,689 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-02 20:09:31,689 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-02 20:09:31,691 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-02 20:09:31,691 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 08:09:16" (1/3) ... [2023-12-02 20:09:31,692 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3121bf5f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 08:09:31, skipping insertion in model container [2023-12-02 20:09:31,692 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:09:16" (2/3) ... [2023-12-02 20:09:31,693 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3121bf5f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 08:09:31, skipping insertion in model container [2023-12-02 20:09:31,693 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 08:09:31" (3/3) ... [2023-12-02 20:09:31,694 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-ps-ci_file-48.i [2023-12-02 20:09:31,709 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-02 20:09:31,709 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-02 20:09:31,751 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-02 20:09:31,757 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;@30bc7b23, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-02 20:09:31,757 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-02 20:09:31,761 INFO L276 IsEmpty]: Start isEmpty. Operand has 84 states, 52 states have (on average 1.5) internal successors, (78), 53 states have internal predecessors, (78), 29 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 29 states have call predecessors, (29), 29 states have call successors, (29) [2023-12-02 20:09:31,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2023-12-02 20:09:31,790 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 20:09:31,791 INFO L195 NwaCegarLoop]: trace histogram [29, 29, 29, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 20:09:31,792 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 20:09:31,797 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 20:09:31,797 INFO L85 PathProgramCache]: Analyzing trace with hash 1231552401, now seen corresponding path program 1 times [2023-12-02 20:09:31,811 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 20:09:31,811 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1170679017] [2023-12-02 20:09:31,812 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:09:31,812 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 [2023-12-02 20:09:31,812 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_111d1386-fc3a-4c73-a092-e1a07a5d771d/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 20:09:31,837 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_111d1386-fc3a-4c73-a092-e1a07a5d771d/bin/utaipan-verify-nQ1chXbOIh/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) [2023-12-02 20:09:31,838 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_111d1386-fc3a-4c73-a092-e1a07a5d771d/bin/utaipan-verify-nQ1chXbOIh/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 [2023-12-02 20:09:33,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:09:33,633 INFO L262 TraceCheckSpWp]: Trace formula consists of 309 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 20:09:33,645 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 20:09:33,694 INFO L134 CoverageAnalysis]: Checked inductivity of 1624 backedges. 740 proven. 0 refuted. 0 times theorem prover too weak. 884 trivial. 0 not checked. [2023-12-02 20:09:33,694 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 20:09:33,695 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 20:09:33,695 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1170679017] [2023-12-02 20:09:33,696 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1170679017] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 20:09:33,696 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 20:09:33,697 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-02 20:09:33,698 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [646041530] [2023-12-02 20:09:33,699 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 20:09:33,703 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-12-02 20:09:33,704 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 20:09:33,729 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-12-02 20:09:33,729 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-02 20:09:33,731 INFO L87 Difference]: Start difference. First operand has 84 states, 52 states have (on average 1.5) internal successors, (78), 53 states have internal predecessors, (78), 29 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 29 states have call predecessors, (29), 29 states have call successors, (29) Second operand has 2 states, 2 states have (on average 23.5) internal successors, (47), 2 states have internal predecessors, (47), 2 states have call successors, (29), 2 states have call predecessors, (29), 2 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2023-12-02 20:09:37,297 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.51s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 20:09:37,298 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 20:09:37,299 INFO L93 Difference]: Finished difference Result 164 states and 297 transitions. [2023-12-02 20:09:37,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:09:37,714 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 23.5) internal successors, (47), 2 states have internal predecessors, (47), 2 states have call successors, (29), 2 states have call predecessors, (29), 2 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) Word has length 185 [2023-12-02 20:09:37,714 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 20:09:37,721 INFO L225 Difference]: With dead ends: 164 [2023-12-02 20:09:37,722 INFO L226 Difference]: Without dead ends: 81 [2023-12-02 20:09:37,725 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 184 GetRequests, 184 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-02 20:09:37,729 INFO L413 NwaCegarLoop]: 125 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 125 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.5s IncrementalHoareTripleChecker+Time [2023-12-02 20:09:37,730 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 125 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 1 Unknown, 0 Unchecked, 3.5s Time] [2023-12-02 20:09:37,748 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81 states. [2023-12-02 20:09:37,778 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81 to 81. [2023-12-02 20:09:37,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 81 states, 50 states have (on average 1.4) internal successors, (70), 50 states have internal predecessors, (70), 29 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 29 states have call predecessors, (29), 29 states have call successors, (29) [2023-12-02 20:09:37,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 128 transitions. [2023-12-02 20:09:37,783 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 128 transitions. Word has length 185 [2023-12-02 20:09:37,784 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 20:09:37,784 INFO L495 AbstractCegarLoop]: Abstraction has 81 states and 128 transitions. [2023-12-02 20:09:37,784 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 23.5) internal successors, (47), 2 states have internal predecessors, (47), 2 states have call successors, (29), 2 states have call predecessors, (29), 2 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2023-12-02 20:09:37,784 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 128 transitions. [2023-12-02 20:09:37,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2023-12-02 20:09:37,789 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 20:09:37,789 INFO L195 NwaCegarLoop]: trace histogram [29, 29, 29, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 20:09:37,822 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_111d1386-fc3a-4c73-a092-e1a07a5d771d/bin/utaipan-verify-nQ1chXbOIh/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 [2023-12-02 20:09:37,992 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_111d1386-fc3a-4c73-a092-e1a07a5d771d/bin/utaipan-verify-nQ1chXbOIh/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 [2023-12-02 20:09:37,992 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 20:09:37,993 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 20:09:37,993 INFO L85 PathProgramCache]: Analyzing trace with hash 521847811, now seen corresponding path program 1 times [2023-12-02 20:09:37,994 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 20:09:37,994 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1092170667] [2023-12-02 20:09:37,994 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:09:37,995 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 [2023-12-02 20:09:37,995 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_111d1386-fc3a-4c73-a092-e1a07a5d771d/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 20:09:37,996 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_111d1386-fc3a-4c73-a092-e1a07a5d771d/bin/utaipan-verify-nQ1chXbOIh/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) [2023-12-02 20:09:38,004 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_111d1386-fc3a-4c73-a092-e1a07a5d771d/bin/utaipan-verify-nQ1chXbOIh/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 [2023-12-02 20:09:39,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:09:39,791 INFO L262 TraceCheckSpWp]: Trace formula consists of 309 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-02 20:09:39,799 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 20:09:39,916 INFO L134 CoverageAnalysis]: Checked inductivity of 1624 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1624 trivial. 0 not checked. [2023-12-02 20:09:39,917 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 20:09:39,917 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 20:09:39,917 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1092170667] [2023-12-02 20:09:39,917 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1092170667] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 20:09:39,918 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 20:09:39,918 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-02 20:09:39,918 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1037823378] [2023-12-02 20:09:39,918 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 20:09:39,921 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-02 20:09:39,921 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 20:09:39,922 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-02 20:09:39,922 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 20:09:39,923 INFO L87 Difference]: Start difference. First operand 81 states and 128 transitions. Second operand has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 1 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 1 states have call predecessors, (29), 1 states have call successors, (29) [2023-12-02 20:09:43,688 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.47s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 20:09:47,609 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.50s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 20:09:49,616 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 20:09:50,076 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 20:09:50,076 INFO L93 Difference]: Finished difference Result 187 states and 298 transitions. [2023-12-02 20:09:50,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:09:50,077 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 1 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 1 states have call predecessors, (29), 1 states have call successors, (29) Word has length 185 [2023-12-02 20:09:50,079 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 20:09:50,081 INFO L225 Difference]: With dead ends: 187 [2023-12-02 20:09:50,081 INFO L226 Difference]: Without dead ends: 107 [2023-12-02 20:09:50,083 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 184 GetRequests, 183 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 20:09:50,084 INFO L413 NwaCegarLoop]: 121 mSDtfsCounter, 31 mSDsluCounter, 109 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 11 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 31 SdHoareTripleChecker+Valid, 230 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.1s IncrementalHoareTripleChecker+Time [2023-12-02 20:09:50,085 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [31 Valid, 230 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 21 Invalid, 3 Unknown, 0 Unchecked, 10.1s Time] [2023-12-02 20:09:50,086 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2023-12-02 20:09:50,098 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 98. [2023-12-02 20:09:50,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 98 states, 67 states have (on average 1.4179104477611941) internal successors, (95), 67 states have internal predecessors, (95), 29 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 29 states have call predecessors, (29), 29 states have call successors, (29) [2023-12-02 20:09:50,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 98 states and 153 transitions. [2023-12-02 20:09:50,101 INFO L78 Accepts]: Start accepts. Automaton has 98 states and 153 transitions. Word has length 185 [2023-12-02 20:09:50,103 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 20:09:50,103 INFO L495 AbstractCegarLoop]: Abstraction has 98 states and 153 transitions. [2023-12-02 20:09:50,104 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 1 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 1 states have call predecessors, (29), 1 states have call successors, (29) [2023-12-02 20:09:50,104 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 153 transitions. [2023-12-02 20:09:50,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2023-12-02 20:09:50,107 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 20:09:50,107 INFO L195 NwaCegarLoop]: trace histogram [29, 29, 29, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 20:09:50,131 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_111d1386-fc3a-4c73-a092-e1a07a5d771d/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2023-12-02 20:09:50,307 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_111d1386-fc3a-4c73-a092-e1a07a5d771d/bin/utaipan-verify-nQ1chXbOIh/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 [2023-12-02 20:09:50,308 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 20:09:50,308 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 20:09:50,308 INFO L85 PathProgramCache]: Analyzing trace with hash -63111161, now seen corresponding path program 1 times [2023-12-02 20:09:50,309 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 20:09:50,309 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1072542537] [2023-12-02 20:09:50,309 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:09:50,310 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 [2023-12-02 20:09:50,310 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_111d1386-fc3a-4c73-a092-e1a07a5d771d/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 20:09:50,311 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_111d1386-fc3a-4c73-a092-e1a07a5d771d/bin/utaipan-verify-nQ1chXbOIh/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) [2023-12-02 20:09:50,311 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_111d1386-fc3a-4c73-a092-e1a07a5d771d/bin/utaipan-verify-nQ1chXbOIh/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 [2023-12-02 20:09:51,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:09:52,050 INFO L262 TraceCheckSpWp]: Trace formula consists of 307 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-02 20:09:52,057 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 20:09:52,370 INFO L134 CoverageAnalysis]: Checked inductivity of 1624 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1624 trivial. 0 not checked. [2023-12-02 20:09:52,370 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 20:09:52,370 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 20:09:52,370 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1072542537] [2023-12-02 20:09:52,371 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1072542537] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 20:09:52,371 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 20:09:52,371 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-02 20:09:52,371 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2048383115] [2023-12-02 20:09:52,371 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 20:09:52,372 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-02 20:09:52,372 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 20:09:52,373 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-02 20:09:52,373 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 20:09:52,373 INFO L87 Difference]: Start difference. First operand 98 states and 153 transitions. Second operand has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 1 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 1 states have call predecessors, (29), 1 states have call successors, (29) [2023-12-02 20:09:56,084 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.49s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 20:09:58,096 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 20:10:00,125 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 20:10:00,130 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 20:10:00,130 INFO L93 Difference]: Finished difference Result 204 states and 317 transitions. [2023-12-02 20:10:00,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:10:00,585 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 1 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 1 states have call predecessors, (29), 1 states have call successors, (29) Word has length 185 [2023-12-02 20:10:00,587 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 20:10:00,588 INFO L225 Difference]: With dead ends: 204 [2023-12-02 20:10:00,589 INFO L226 Difference]: Without dead ends: 107 [2023-12-02 20:10:00,590 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 184 GetRequests, 183 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 20:10:00,592 INFO L413 NwaCegarLoop]: 138 mSDtfsCounter, 29 mSDsluCounter, 106 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 5 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 29 SdHoareTripleChecker+Valid, 244 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.7s IncrementalHoareTripleChecker+Time [2023-12-02 20:10:00,592 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [29 Valid, 244 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 18 Invalid, 3 Unknown, 0 Unchecked, 7.7s Time] [2023-12-02 20:10:00,594 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2023-12-02 20:10:00,606 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 98. [2023-12-02 20:10:00,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 98 states, 67 states have (on average 1.3432835820895523) internal successors, (90), 67 states have internal predecessors, (90), 29 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 29 states have call predecessors, (29), 29 states have call successors, (29) [2023-12-02 20:10:00,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 98 states and 148 transitions. [2023-12-02 20:10:00,608 INFO L78 Accepts]: Start accepts. Automaton has 98 states and 148 transitions. Word has length 185 [2023-12-02 20:10:00,609 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 20:10:00,609 INFO L495 AbstractCegarLoop]: Abstraction has 98 states and 148 transitions. [2023-12-02 20:10:00,610 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 1 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 1 states have call predecessors, (29), 1 states have call successors, (29) [2023-12-02 20:10:00,610 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 148 transitions. [2023-12-02 20:10:00,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2023-12-02 20:10:00,614 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 20:10:00,614 INFO L195 NwaCegarLoop]: trace histogram [29, 29, 29, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 20:10:00,640 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_111d1386-fc3a-4c73-a092-e1a07a5d771d/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Ended with exit code 0 [2023-12-02 20:10:00,816 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_111d1386-fc3a-4c73-a092-e1a07a5d771d/bin/utaipan-verify-nQ1chXbOIh/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 [2023-12-02 20:10:00,817 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 20:10:00,817 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 20:10:00,817 INFO L85 PathProgramCache]: Analyzing trace with hash -1752054903, now seen corresponding path program 1 times [2023-12-02 20:10:00,818 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 20:10:00,818 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1613210258] [2023-12-02 20:10:00,818 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:10:00,818 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 [2023-12-02 20:10:00,818 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_111d1386-fc3a-4c73-a092-e1a07a5d771d/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 20:10:00,819 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_111d1386-fc3a-4c73-a092-e1a07a5d771d/bin/utaipan-verify-nQ1chXbOIh/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) [2023-12-02 20:10:00,820 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_111d1386-fc3a-4c73-a092-e1a07a5d771d/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2023-12-02 20:10:02,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:10:02,566 INFO L262 TraceCheckSpWp]: Trace formula consists of 306 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-02 20:10:02,576 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 20:10:03,315 INFO L134 CoverageAnalysis]: Checked inductivity of 1624 backedges. 378 proven. 9 refuted. 0 times theorem prover too weak. 1237 trivial. 0 not checked. [2023-12-02 20:10:03,315 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 20:10:04,241 INFO L134 CoverageAnalysis]: Checked inductivity of 1624 backedges. 75 proven. 9 refuted. 0 times theorem prover too weak. 1540 trivial. 0 not checked. [2023-12-02 20:10:04,241 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 20:10:04,242 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1613210258] [2023-12-02 20:10:04,242 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1613210258] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 20:10:04,242 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [65373947] [2023-12-02 20:10:04,242 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:10:04,242 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 20:10:04,242 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_111d1386-fc3a-4c73-a092-e1a07a5d771d/bin/utaipan-verify-nQ1chXbOIh/cvc4 [2023-12-02 20:10:04,243 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_111d1386-fc3a-4c73-a092-e1a07a5d771d/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 20:10:04,245 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_111d1386-fc3a-4c73-a092-e1a07a5d771d/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2023-12-02 20:10:07,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:10:07,268 INFO L262 TraceCheckSpWp]: Trace formula consists of 306 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-02 20:10:07,272 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 20:10:10,744 INFO L134 CoverageAnalysis]: Checked inductivity of 1624 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1624 trivial. 0 not checked. [2023-12-02 20:10:10,745 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 20:10:10,745 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [65373947] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 20:10:10,745 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2023-12-02 20:10:10,745 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [5, 5] total 8 [2023-12-02 20:10:10,746 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [198337721] [2023-12-02 20:10:10,746 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 20:10:10,746 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-02 20:10:10,746 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 20:10:10,747 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-02 20:10:10,747 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2023-12-02 20:10:10,748 INFO L87 Difference]: Start difference. First operand 98 states and 148 transitions. Second operand has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 2 states have internal predecessors, (43), 1 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 1 states have call predecessors, (29), 1 states have call successors, (29) [2023-12-02 20:10:14,304 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.47s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 20:10:16,326 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 20:10:18,337 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 20:10:18,817 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 20:10:18,818 INFO L93 Difference]: Finished difference Result 292 states and 442 transitions. [2023-12-02 20:10:18,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:10:18,819 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 2 states have internal predecessors, (43), 1 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 1 states have call predecessors, (29), 1 states have call successors, (29) Word has length 185 [2023-12-02 20:10:18,820 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 20:10:18,823 INFO L225 Difference]: With dead ends: 292 [2023-12-02 20:10:18,823 INFO L226 Difference]: Without dead ends: 195 [2023-12-02 20:10:18,824 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 552 GetRequests, 545 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2023-12-02 20:10:18,825 INFO L413 NwaCegarLoop]: 123 mSDtfsCounter, 28 mSDsluCounter, 120 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 1 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 28 SdHoareTripleChecker+Valid, 243 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.0s IncrementalHoareTripleChecker+Time [2023-12-02 20:10:18,825 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [28 Valid, 243 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 10 Invalid, 3 Unknown, 0 Unchecked, 8.0s Time] [2023-12-02 20:10:18,827 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 195 states. [2023-12-02 20:10:18,859 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 195 to 175. [2023-12-02 20:10:18,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 175 states, 114 states have (on average 1.3070175438596492) internal successors, (149), 114 states have internal predecessors, (149), 58 states have call successors, (58), 2 states have call predecessors, (58), 2 states have return successors, (58), 58 states have call predecessors, (58), 58 states have call successors, (58) [2023-12-02 20:10:18,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 175 states and 265 transitions. [2023-12-02 20:10:18,863 INFO L78 Accepts]: Start accepts. Automaton has 175 states and 265 transitions. Word has length 185 [2023-12-02 20:10:18,864 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 20:10:18,864 INFO L495 AbstractCegarLoop]: Abstraction has 175 states and 265 transitions. [2023-12-02 20:10:18,865 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 2 states have internal predecessors, (43), 1 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 1 states have call predecessors, (29), 1 states have call successors, (29) [2023-12-02 20:10:18,865 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 265 transitions. [2023-12-02 20:10:18,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2023-12-02 20:10:18,868 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 20:10:18,868 INFO L195 NwaCegarLoop]: trace histogram [29, 29, 29, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 20:10:18,891 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_111d1386-fc3a-4c73-a092-e1a07a5d771d/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2023-12-02 20:10:19,092 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_111d1386-fc3a-4c73-a092-e1a07a5d771d/bin/utaipan-verify-nQ1chXbOIh/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)] Ended with exit code 0 [2023-12-02 20:10:19,269 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_111d1386-fc3a-4c73-a092-e1a07a5d771d/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_111d1386-fc3a-4c73-a092-e1a07a5d771d/bin/utaipan-verify-nQ1chXbOIh/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 [2023-12-02 20:10:19,269 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 20:10:19,270 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 20:10:19,270 INFO L85 PathProgramCache]: Analyzing trace with hash 1520032115, now seen corresponding path program 1 times [2023-12-02 20:10:19,270 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 20:10:19,270 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1975384868] [2023-12-02 20:10:19,271 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:10:19,271 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 [2023-12-02 20:10:19,271 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_111d1386-fc3a-4c73-a092-e1a07a5d771d/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 20:10:19,272 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_111d1386-fc3a-4c73-a092-e1a07a5d771d/bin/utaipan-verify-nQ1chXbOIh/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) [2023-12-02 20:10:19,272 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_111d1386-fc3a-4c73-a092-e1a07a5d771d/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2023-12-02 20:10:20,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:10:21,049 INFO L262 TraceCheckSpWp]: Trace formula consists of 307 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-02 20:10:21,052 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 20:10:21,740 INFO L134 CoverageAnalysis]: Checked inductivity of 1624 backedges. 378 proven. 9 refuted. 0 times theorem prover too weak. 1237 trivial. 0 not checked. [2023-12-02 20:10:21,740 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 20:10:22,653 INFO L134 CoverageAnalysis]: Checked inductivity of 1624 backedges. 75 proven. 9 refuted. 0 times theorem prover too weak. 1540 trivial. 0 not checked. [2023-12-02 20:10:22,653 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 20:10:22,654 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1975384868] [2023-12-02 20:10:22,654 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1975384868] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 20:10:22,654 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [695087672] [2023-12-02 20:10:22,654 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:10:22,654 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 20:10:22,654 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_111d1386-fc3a-4c73-a092-e1a07a5d771d/bin/utaipan-verify-nQ1chXbOIh/cvc4 [2023-12-02 20:10:22,655 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_111d1386-fc3a-4c73-a092-e1a07a5d771d/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 20:10:22,660 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_111d1386-fc3a-4c73-a092-e1a07a5d771d/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2023-12-02 20:10:26,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:10:26,547 INFO L262 TraceCheckSpWp]: Trace formula consists of 307 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 20:10:26,551 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 20:10:27,104 INFO L134 CoverageAnalysis]: Checked inductivity of 1624 backedges. 378 proven. 9 refuted. 0 times theorem prover too weak. 1237 trivial. 0 not checked. [2023-12-02 20:10:27,104 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 20:10:27,782 INFO L134 CoverageAnalysis]: Checked inductivity of 1624 backedges. 75 proven. 9 refuted. 0 times theorem prover too weak. 1540 trivial. 0 not checked. [2023-12-02 20:10:27,782 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [695087672] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 20:10:27,783 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [928864466] [2023-12-02 20:10:27,783 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:10:27,783 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 20:10:27,783 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_111d1386-fc3a-4c73-a092-e1a07a5d771d/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 20:10:27,785 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_111d1386-fc3a-4c73-a092-e1a07a5d771d/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 20:10:27,786 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_111d1386-fc3a-4c73-a092-e1a07a5d771d/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2023-12-02 20:10:29,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:10:30,224 INFO L262 TraceCheckSpWp]: Trace formula consists of 307 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-02 20:10:30,228 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 20:10:30,774 INFO L134 CoverageAnalysis]: Checked inductivity of 1624 backedges. 378 proven. 9 refuted. 0 times theorem prover too weak. 1237 trivial. 0 not checked. [2023-12-02 20:10:30,774 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 20:10:31,475 INFO L134 CoverageAnalysis]: Checked inductivity of 1624 backedges. 75 proven. 9 refuted. 0 times theorem prover too weak. 1540 trivial. 0 not checked. [2023-12-02 20:10:31,475 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [928864466] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 20:10:31,475 INFO L185 FreeRefinementEngine]: Found 0 perfect and 6 imperfect interpolant sequences. [2023-12-02 20:10:31,476 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5, 5, 5, 5] total 7 [2023-12-02 20:10:31,476 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [950797403] [2023-12-02 20:10:31,476 INFO L85 oduleStraightlineAll]: Using 6 imperfect interpolants to construct interpolant automaton [2023-12-02 20:10:31,477 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-02 20:10:31,477 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 20:10:31,478 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-02 20:10:31,478 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2023-12-02 20:10:31,478 INFO L87 Difference]: Start difference. First operand 175 states and 265 transitions. Second operand has 7 states, 7 states have (on average 7.571428571428571) internal successors, (53), 7 states have internal predecessors, (53), 2 states have call successors, (32), 2 states have call predecessors, (32), 4 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) [2023-12-02 20:10:37,128 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.53s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 20:10:39,151 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 20:10:41,158 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 20:10:41,166 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 20:10:41,166 INFO L93 Difference]: Finished difference Result 365 states and 543 transitions. [2023-12-02 20:10:41,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-02 20:10:41,630 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.571428571428571) internal successors, (53), 7 states have internal predecessors, (53), 2 states have call successors, (32), 2 states have call predecessors, (32), 4 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) Word has length 186 [2023-12-02 20:10:41,631 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 20:10:41,634 INFO L225 Difference]: With dead ends: 365 [2023-12-02 20:10:41,634 INFO L226 Difference]: Without dead ends: 191 [2023-12-02 20:10:41,635 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1114 GetRequests, 1102 SyntacticMatches, 3 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=45, Invalid=65, Unknown=0, NotChecked=0, Total=110 [2023-12-02 20:10:41,636 INFO L413 NwaCegarLoop]: 90 mSDtfsCounter, 195 mSDsluCounter, 119 mSDsCounter, 0 mSdLazyCounter, 158 mSolverCounterSat, 109 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 219 SdHoareTripleChecker+Valid, 209 SdHoareTripleChecker+Invalid, 270 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 109 IncrementalHoareTripleChecker+Valid, 158 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.4s IncrementalHoareTripleChecker+Time [2023-12-02 20:10:41,637 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [219 Valid, 209 Invalid, 270 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [109 Valid, 158 Invalid, 3 Unknown, 0 Unchecked, 9.4s Time] [2023-12-02 20:10:41,638 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 191 states. [2023-12-02 20:10:41,663 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 191 to 183. [2023-12-02 20:10:41,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 183 states, 120 states have (on average 1.2666666666666666) internal successors, (152), 120 states have internal predecessors, (152), 58 states have call successors, (58), 4 states have call predecessors, (58), 4 states have return successors, (58), 58 states have call predecessors, (58), 58 states have call successors, (58) [2023-12-02 20:10:41,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 183 states and 268 transitions. [2023-12-02 20:10:41,666 INFO L78 Accepts]: Start accepts. Automaton has 183 states and 268 transitions. Word has length 186 [2023-12-02 20:10:41,667 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 20:10:41,667 INFO L495 AbstractCegarLoop]: Abstraction has 183 states and 268 transitions. [2023-12-02 20:10:41,668 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.571428571428571) internal successors, (53), 7 states have internal predecessors, (53), 2 states have call successors, (32), 2 states have call predecessors, (32), 4 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) [2023-12-02 20:10:41,668 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 268 transitions. [2023-12-02 20:10:41,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2023-12-02 20:10:41,671 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 20:10:41,671 INFO L195 NwaCegarLoop]: trace histogram [29, 29, 29, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 20:10:41,698 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_111d1386-fc3a-4c73-a092-e1a07a5d771d/bin/utaipan-verify-nQ1chXbOIh/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)] Ended with exit code 0 [2023-12-02 20:10:41,894 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_111d1386-fc3a-4c73-a092-e1a07a5d771d/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (8)] Ended with exit code 0 [2023-12-02 20:10:42,184 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_111d1386-fc3a-4c73-a092-e1a07a5d771d/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2023-12-02 20:10:42,277 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_111d1386-fc3a-4c73-a092-e1a07a5d771d/bin/utaipan-verify-nQ1chXbOIh/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 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_111d1386-fc3a-4c73-a092-e1a07a5d771d/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_111d1386-fc3a-4c73-a092-e1a07a5d771d/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 20:10:42,278 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 20:10:42,278 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 20:10:42,278 INFO L85 PathProgramCache]: Analyzing trace with hash 240168437, now seen corresponding path program 1 times [2023-12-02 20:10:42,278 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 20:10:42,278 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1221139428] [2023-12-02 20:10:42,278 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:10:42,279 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 [2023-12-02 20:10:42,279 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_111d1386-fc3a-4c73-a092-e1a07a5d771d/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 20:10:42,279 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_111d1386-fc3a-4c73-a092-e1a07a5d771d/bin/utaipan-verify-nQ1chXbOIh/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) [2023-12-02 20:10:42,284 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_111d1386-fc3a-4c73-a092-e1a07a5d771d/bin/utaipan-verify-nQ1chXbOIh/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 [2023-12-02 20:10:43,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:10:43,940 INFO L262 TraceCheckSpWp]: Trace formula consists of 306 conjuncts, 16 conjunts are in the unsatisfiable core [2023-12-02 20:10:43,945 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 20:10:53,282 WARN L293 SmtUtils]: Spent 5.98s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 20:10:59,243 WARN L293 SmtUtils]: Spent 5.96s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 20:11:09,629 WARN L293 SmtUtils]: Spent 5.95s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 20:11:20,000 WARN L293 SmtUtils]: Spent 5.94s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 20:11:27,813 WARN L293 SmtUtils]: Spent 5.94s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 20:11:36,062 WARN L854 $PredicateComparison]: unable to prove that (and (= (_ bv256 32) c_~var_1_13~0) (= ((_ extract 7 0) ((_ zero_extend 24) c_~var_1_10~0)) c_~var_1_8~0) (let ((.cse0 (fp.gt c_~var_1_3~0 c_~var_1_9~0))) (or (and (not .cse0) (fp.gt c_~var_1_6~0 (fp.div c_currentRoundingMode c_~var_1_5~0 c_~var_1_9~0))) (and (fp.gt c_~var_1_6~0 (fp.div c_currentRoundingMode c_~var_1_5~0 c_~var_1_3~0)) .cse0))) (= c_~var_1_1~0 (_ bv1 16))) is different from false [2023-12-02 20:11:38,485 WARN L876 $PredicateComparison]: unable to prove that (and (= (_ bv256 32) c_~var_1_13~0) (= ((_ extract 7 0) ((_ zero_extend 24) c_~var_1_10~0)) c_~var_1_8~0) (let ((.cse0 (fp.gt c_~var_1_3~0 c_~var_1_9~0))) (or (and (not .cse0) (fp.gt c_~var_1_6~0 (fp.div c_currentRoundingMode c_~var_1_5~0 c_~var_1_9~0))) (and (fp.gt c_~var_1_6~0 (fp.div c_currentRoundingMode c_~var_1_5~0 c_~var_1_3~0)) .cse0))) (= c_~var_1_1~0 (_ bv1 16))) is different from true [2023-12-02 20:11:44,428 WARN L293 SmtUtils]: Spent 5.93s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 20:11:50,338 WARN L293 SmtUtils]: Spent 5.91s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 20:11:56,248 WARN L293 SmtUtils]: Spent 5.91s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 20:12:06,656 WARN L293 SmtUtils]: Spent 5.96s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 20:12:15,470 WARN L293 SmtUtils]: Spent 5.95s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 20:12:21,390 WARN L293 SmtUtils]: Spent 5.92s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 20:12:23,834 WARN L854 $PredicateComparison]: unable to prove that (and (= (_ bv256 32) c_~var_1_13~0) (= ((_ extract 7 0) ((_ zero_extend 24) c_~var_1_10~0)) c_~var_1_8~0) (let ((.cse0 (fp.gt c_~var_1_3~0 c_~var_1_9~0))) (or (and (not .cse0) (fp.gt c_~var_1_6~0 (fp.div c_currentRoundingMode c_~var_1_5~0 c_~var_1_9~0))) (and (fp.gt c_~var_1_6~0 (fp.div c_currentRoundingMode c_~var_1_5~0 c_~var_1_3~0)) .cse0))) (= ((_ zero_extend 16) c_~last_1_var_1_18~0) c_~var_1_12~0) (= c_~var_1_1~0 (_ bv1 16))) is different from false [2023-12-02 20:12:26,270 WARN L876 $PredicateComparison]: unable to prove that (and (= (_ bv256 32) c_~var_1_13~0) (= ((_ extract 7 0) ((_ zero_extend 24) c_~var_1_10~0)) c_~var_1_8~0) (let ((.cse0 (fp.gt c_~var_1_3~0 c_~var_1_9~0))) (or (and (not .cse0) (fp.gt c_~var_1_6~0 (fp.div c_currentRoundingMode c_~var_1_5~0 c_~var_1_9~0))) (and (fp.gt c_~var_1_6~0 (fp.div c_currentRoundingMode c_~var_1_5~0 c_~var_1_3~0)) .cse0))) (= ((_ zero_extend 16) c_~last_1_var_1_18~0) c_~var_1_12~0) (= c_~var_1_1~0 (_ bv1 16))) is different from true [2023-12-02 20:12:32,213 WARN L293 SmtUtils]: Spent 5.92s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 20:12:38,226 WARN L293 SmtUtils]: Spent 6.01s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 20:12:44,397 WARN L293 SmtUtils]: Spent 6.17s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 20:12:53,993 WARN L293 SmtUtils]: Spent 5.94s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 20:13:04,409 WARN L293 SmtUtils]: Spent 5.97s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 20:13:10,337 WARN L293 SmtUtils]: Spent 5.93s on a formula simplification that was a NOOP. DAG size: 8 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 20:13:16,293 WARN L293 SmtUtils]: Spent 5.95s on a formula simplification that was a NOOP. DAG size: 8 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 20:13:22,237 WARN L293 SmtUtils]: Spent 5.94s on a formula simplification that was a NOOP. DAG size: 9 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 20:13:28,200 WARN L293 SmtUtils]: Spent 5.96s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 20:13:34,156 WARN L293 SmtUtils]: Spent 5.96s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 20:13:36,587 WARN L854 $PredicateComparison]: unable to prove that (and (= (_ bv256 32) c_~var_1_13~0) (= ((_ extract 7 0) ((_ zero_extend 24) c_~var_1_10~0)) c_~var_1_8~0) (let ((.cse0 (fp.gt c_~var_1_3~0 c_~var_1_9~0))) (or (and (not .cse0) (fp.gt c_~var_1_6~0 (fp.div c_currentRoundingMode c_~var_1_5~0 c_~var_1_9~0))) (and (fp.gt c_~var_1_6~0 (fp.div c_currentRoundingMode c_~var_1_5~0 c_~var_1_3~0)) .cse0))) (= ((_ zero_extend 16) c_~last_1_var_1_18~0) c_~var_1_12~0) (let ((.cse2 (bvadd (bvneg ((_ zero_extend 24) c_~var_1_16~0)) ((_ zero_extend 24) c_~var_1_15~0)))) (let ((.cse1 (bvsgt .cse2 c_~var_1_12~0))) (or (and .cse1 (= .cse2 |c_ULTIMATE.start_step_~stepLocal_1~0#1|)) (and (= c_~var_1_12~0 |c_ULTIMATE.start_step_~stepLocal_1~0#1|) (not .cse1))))) (= c_~var_1_1~0 (_ bv1 16))) is different from false [2023-12-02 20:13:39,032 WARN L876 $PredicateComparison]: unable to prove that (and (= (_ bv256 32) c_~var_1_13~0) (= ((_ extract 7 0) ((_ zero_extend 24) c_~var_1_10~0)) c_~var_1_8~0) (let ((.cse0 (fp.gt c_~var_1_3~0 c_~var_1_9~0))) (or (and (not .cse0) (fp.gt c_~var_1_6~0 (fp.div c_currentRoundingMode c_~var_1_5~0 c_~var_1_9~0))) (and (fp.gt c_~var_1_6~0 (fp.div c_currentRoundingMode c_~var_1_5~0 c_~var_1_3~0)) .cse0))) (= ((_ zero_extend 16) c_~last_1_var_1_18~0) c_~var_1_12~0) (let ((.cse2 (bvadd (bvneg ((_ zero_extend 24) c_~var_1_16~0)) ((_ zero_extend 24) c_~var_1_15~0)))) (let ((.cse1 (bvsgt .cse2 c_~var_1_12~0))) (or (and .cse1 (= .cse2 |c_ULTIMATE.start_step_~stepLocal_1~0#1|)) (and (= c_~var_1_12~0 |c_ULTIMATE.start_step_~stepLocal_1~0#1|) (not .cse1))))) (= c_~var_1_1~0 (_ bv1 16))) is different from true [2023-12-02 20:13:45,049 WARN L293 SmtUtils]: Spent 5.99s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 20:13:51,025 WARN L293 SmtUtils]: Spent 5.98s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 20:13:57,009 WARN L293 SmtUtils]: Spent 5.98s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 20:14:02,953 WARN L293 SmtUtils]: Spent 5.94s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 20:14:08,887 WARN L293 SmtUtils]: Spent 5.93s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 20:14:14,827 WARN L293 SmtUtils]: Spent 5.94s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 20:14:20,779 WARN L293 SmtUtils]: Spent 5.95s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 20:14:30,303 WARN L293 SmtUtils]: Spent 6.04s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 20:14:39,977 WARN L293 SmtUtils]: Spent 6.06s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 20:14:46,073 WARN L293 SmtUtils]: Spent 6.09s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 20:14:52,174 WARN L293 SmtUtils]: Spent 6.10s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 20:14:58,222 WARN L293 SmtUtils]: Spent 6.05s on a formula simplification that was a NOOP. DAG size: 9 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 20:15:04,230 WARN L293 SmtUtils]: Spent 6.01s on a formula simplification that was a NOOP. DAG size: 8 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 20:15:10,278 WARN L293 SmtUtils]: Spent 6.05s on a formula simplification that was a NOOP. DAG size: 9 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 20:15:12,728 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse2 ((_ zero_extend 24) c_~var_1_10~0))) (and (= (_ bv256 32) c_~var_1_13~0) (let ((.cse1 ((_ sign_extend 24) c_~var_1_17~0))) (let ((.cse0 (bvslt .cse1 (_ bv0 32)))) (or (and .cse0 (= ((_ extract 7 0) (bvneg .cse1)) c_~var_1_14~0)) (and (= ((_ extract 7 0) .cse1) c_~var_1_14~0) (not .cse0))))) (let ((.cse4 (bvadd (bvneg ((_ zero_extend 24) c_~var_1_16~0)) ((_ zero_extend 24) c_~var_1_15~0)))) (let ((.cse3 (bvsgt .cse4 c_~var_1_12~0))) (or (and (= c_~var_1_12~0 .cse2) (not .cse3)) (and .cse3 (= .cse4 .cse2))))) (= ((_ extract 7 0) .cse2) c_~var_1_8~0) (let ((.cse5 (fp.gt c_~var_1_3~0 c_~var_1_9~0))) (or (and (not .cse5) (fp.gt c_~var_1_6~0 (fp.div c_currentRoundingMode c_~var_1_5~0 c_~var_1_9~0))) (and (fp.gt c_~var_1_6~0 (fp.div c_currentRoundingMode c_~var_1_5~0 c_~var_1_3~0)) .cse5))) (= ((_ zero_extend 16) c_~last_1_var_1_18~0) c_~var_1_12~0) (= c_~var_1_1~0 (_ bv1 16)))) is different from false [2023-12-02 20:15:15,190 WARN L876 $PredicateComparison]: unable to prove that (let ((.cse2 ((_ zero_extend 24) c_~var_1_10~0))) (and (= (_ bv256 32) c_~var_1_13~0) (let ((.cse1 ((_ sign_extend 24) c_~var_1_17~0))) (let ((.cse0 (bvslt .cse1 (_ bv0 32)))) (or (and .cse0 (= ((_ extract 7 0) (bvneg .cse1)) c_~var_1_14~0)) (and (= ((_ extract 7 0) .cse1) c_~var_1_14~0) (not .cse0))))) (let ((.cse4 (bvadd (bvneg ((_ zero_extend 24) c_~var_1_16~0)) ((_ zero_extend 24) c_~var_1_15~0)))) (let ((.cse3 (bvsgt .cse4 c_~var_1_12~0))) (or (and (= c_~var_1_12~0 .cse2) (not .cse3)) (and .cse3 (= .cse4 .cse2))))) (= ((_ extract 7 0) .cse2) c_~var_1_8~0) (let ((.cse5 (fp.gt c_~var_1_3~0 c_~var_1_9~0))) (or (and (not .cse5) (fp.gt c_~var_1_6~0 (fp.div c_currentRoundingMode c_~var_1_5~0 c_~var_1_9~0))) (and (fp.gt c_~var_1_6~0 (fp.div c_currentRoundingMode c_~var_1_5~0 c_~var_1_3~0)) .cse5))) (= ((_ zero_extend 16) c_~last_1_var_1_18~0) c_~var_1_12~0) (= c_~var_1_1~0 (_ bv1 16)))) is different from true [2023-12-02 20:15:21,440 WARN L293 SmtUtils]: Spent 6.23s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 20:15:27,487 WARN L293 SmtUtils]: Spent 6.05s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 20:15:33,480 WARN L293 SmtUtils]: Spent 5.99s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 20:15:39,484 WARN L293 SmtUtils]: Spent 6.00s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 20:15:45,465 WARN L293 SmtUtils]: Spent 5.98s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 20:15:51,451 WARN L293 SmtUtils]: Spent 5.99s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 20:15:57,483 WARN L293 SmtUtils]: Spent 6.03s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 20:16:03,466 WARN L293 SmtUtils]: Spent 5.98s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 20:16:13,945 WARN L293 SmtUtils]: Spent 6.02s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 20:16:24,440 WARN L293 SmtUtils]: Spent 6.04s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 20:16:30,441 WARN L293 SmtUtils]: Spent 6.00s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 20:16:36,471 WARN L293 SmtUtils]: Spent 6.03s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 20:16:42,473 WARN L293 SmtUtils]: Spent 6.00s on a formula simplification that was a NOOP. DAG size: 9 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 20:16:48,526 WARN L293 SmtUtils]: Spent 6.05s on a formula simplification that was a NOOP. DAG size: 8 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 20:16:54,557 WARN L293 SmtUtils]: Spent 6.03s on a formula simplification that was a NOOP. DAG size: 9 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 20:16:56,999 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse2 ((_ zero_extend 24) c_~var_1_10~0))) (and (= (_ bv256 32) c_~var_1_13~0) (let ((.cse1 ((_ sign_extend 24) c_~var_1_17~0))) (let ((.cse0 (bvslt .cse1 (_ bv0 32)))) (or (and .cse0 (= ((_ extract 7 0) (bvneg .cse1)) c_~var_1_14~0)) (and (= ((_ extract 7 0) .cse1) c_~var_1_14~0) (not .cse0))))) (let ((.cse4 (bvadd (bvneg ((_ zero_extend 24) c_~var_1_16~0)) ((_ zero_extend 24) c_~var_1_15~0)))) (let ((.cse3 (bvsgt .cse4 c_~var_1_12~0))) (or (and (= c_~var_1_12~0 .cse2) (not .cse3)) (and .cse3 (= .cse4 .cse2))))) (= ((_ extract 7 0) .cse2) c_~var_1_8~0) (= (_ bv0 8) c_~var_1_2~0) (let ((.cse5 (fp.gt c_~var_1_3~0 c_~var_1_9~0))) (or (and (not .cse5) (fp.gt c_~var_1_6~0 (fp.div c_currentRoundingMode c_~var_1_5~0 c_~var_1_9~0))) (and (fp.gt c_~var_1_6~0 (fp.div c_currentRoundingMode c_~var_1_5~0 c_~var_1_3~0)) .cse5))) (= ((_ zero_extend 16) c_~last_1_var_1_18~0) c_~var_1_12~0) (= c_~var_1_1~0 (_ bv1 16)))) is different from false [2023-12-02 20:16:59,473 WARN L876 $PredicateComparison]: unable to prove that (let ((.cse2 ((_ zero_extend 24) c_~var_1_10~0))) (and (= (_ bv256 32) c_~var_1_13~0) (let ((.cse1 ((_ sign_extend 24) c_~var_1_17~0))) (let ((.cse0 (bvslt .cse1 (_ bv0 32)))) (or (and .cse0 (= ((_ extract 7 0) (bvneg .cse1)) c_~var_1_14~0)) (and (= ((_ extract 7 0) .cse1) c_~var_1_14~0) (not .cse0))))) (let ((.cse4 (bvadd (bvneg ((_ zero_extend 24) c_~var_1_16~0)) ((_ zero_extend 24) c_~var_1_15~0)))) (let ((.cse3 (bvsgt .cse4 c_~var_1_12~0))) (or (and (= c_~var_1_12~0 .cse2) (not .cse3)) (and .cse3 (= .cse4 .cse2))))) (= ((_ extract 7 0) .cse2) c_~var_1_8~0) (= (_ bv0 8) c_~var_1_2~0) (let ((.cse5 (fp.gt c_~var_1_3~0 c_~var_1_9~0))) (or (and (not .cse5) (fp.gt c_~var_1_6~0 (fp.div c_currentRoundingMode c_~var_1_5~0 c_~var_1_9~0))) (and (fp.gt c_~var_1_6~0 (fp.div c_currentRoundingMode c_~var_1_5~0 c_~var_1_3~0)) .cse5))) (= ((_ zero_extend 16) c_~last_1_var_1_18~0) c_~var_1_12~0) (= c_~var_1_1~0 (_ bv1 16)))) is different from true [2023-12-02 20:17:05,586 WARN L293 SmtUtils]: Spent 6.09s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 20:17:11,611 WARN L293 SmtUtils]: Spent 6.02s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 20:17:17,676 WARN L293 SmtUtils]: Spent 6.07s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 20:17:23,723 WARN L293 SmtUtils]: Spent 6.05s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 20:17:29,867 WARN L293 SmtUtils]: Spent 6.14s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 20:17:35,975 WARN L293 SmtUtils]: Spent 6.11s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 20:17:42,058 WARN L293 SmtUtils]: Spent 6.08s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 20:17:48,172 WARN L293 SmtUtils]: Spent 6.11s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 20:17:58,743 WARN L293 SmtUtils]: Spent 6.08s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 20:18:08,566 WARN L293 SmtUtils]: Spent 6.07s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 20:18:14,636 WARN L293 SmtUtils]: Spent 6.07s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 20:18:20,673 WARN L293 SmtUtils]: Spent 6.04s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 20:18:26,739 WARN L293 SmtUtils]: Spent 6.07s on a formula simplification that was a NOOP. DAG size: 9 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 20:18:32,775 WARN L293 SmtUtils]: Spent 6.03s on a formula simplification that was a NOOP. DAG size: 8 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 20:18:38,829 WARN L293 SmtUtils]: Spent 6.05s on a formula simplification that was a NOOP. DAG size: 9 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 20:18:44,952 WARN L293 SmtUtils]: Spent 6.08s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 20:18:50,990 WARN L293 SmtUtils]: Spent 6.04s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 20:18:57,050 WARN L293 SmtUtils]: Spent 6.06s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 20:19:03,095 WARN L293 SmtUtils]: Spent 6.04s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 20:19:09,147 WARN L293 SmtUtils]: Spent 6.05s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 20:19:15,184 WARN L293 SmtUtils]: Spent 6.04s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 20:19:21,241 WARN L293 SmtUtils]: Spent 6.06s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 20:19:27,293 WARN L293 SmtUtils]: Spent 6.05s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 20:19:33,351 WARN L293 SmtUtils]: Spent 6.06s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 20:19:43,958 WARN L293 SmtUtils]: Spent 6.11s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 20:19:54,488 WARN L293 SmtUtils]: Spent 6.04s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 20:20:00,525 WARN L293 SmtUtils]: Spent 6.04s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 20:20:06,578 WARN L293 SmtUtils]: Spent 6.05s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 20:20:12,663 WARN L293 SmtUtils]: Spent 6.08s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 20:20:18,717 WARN L293 SmtUtils]: Spent 6.05s on a formula simplification that was a NOOP. DAG size: 9 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 20:20:24,794 WARN L293 SmtUtils]: Spent 6.08s on a formula simplification that was a NOOP. DAG size: 8 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 20:20:30,859 WARN L293 SmtUtils]: Spent 6.06s on a formula simplification that was a NOOP. DAG size: 9 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 20:20:33,331 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse2 ((_ zero_extend 24) c_~var_1_16~0)) (.cse4 ((_ zero_extend 24) c_~var_1_10~0)) (.cse3 ((_ zero_extend 16) c_~last_1_var_1_18~0))) (and (= (_ bv256 32) c_~var_1_13~0) (let ((.cse1 ((_ sign_extend 24) c_~var_1_17~0))) (let ((.cse0 (bvslt .cse1 (_ bv0 32)))) (or (and .cse0 (= ((_ extract 7 0) (bvneg .cse1)) c_~var_1_14~0)) (and (= ((_ extract 7 0) .cse1) c_~var_1_14~0) (not .cse0))))) (= .cse2 .cse3) (let ((.cse6 (bvadd (bvneg .cse2) ((_ zero_extend 24) c_~var_1_15~0)))) (let ((.cse5 (bvsgt .cse6 c_~var_1_12~0))) (or (and (= c_~var_1_12~0 .cse4) (not .cse5)) (and .cse5 (= .cse6 .cse4))))) (= ((_ extract 7 0) .cse4) c_~var_1_8~0) (= c_~var_1_18~0 ((_ zero_extend 8) c_~var_1_10~0)) (= (_ bv0 8) c_~var_1_2~0) (let ((.cse7 (fp.gt c_~var_1_3~0 c_~var_1_9~0))) (or (and (not .cse7) (fp.gt c_~var_1_6~0 (fp.div c_currentRoundingMode c_~var_1_5~0 c_~var_1_9~0))) (and (fp.gt c_~var_1_6~0 (fp.div c_currentRoundingMode c_~var_1_5~0 c_~var_1_3~0)) .cse7))) (= .cse3 c_~var_1_12~0) (= c_~var_1_1~0 (_ bv1 16)))) is different from false [2023-12-02 20:20:35,796 WARN L876 $PredicateComparison]: unable to prove that (let ((.cse2 ((_ zero_extend 24) c_~var_1_16~0)) (.cse4 ((_ zero_extend 24) c_~var_1_10~0)) (.cse3 ((_ zero_extend 16) c_~last_1_var_1_18~0))) (and (= (_ bv256 32) c_~var_1_13~0) (let ((.cse1 ((_ sign_extend 24) c_~var_1_17~0))) (let ((.cse0 (bvslt .cse1 (_ bv0 32)))) (or (and .cse0 (= ((_ extract 7 0) (bvneg .cse1)) c_~var_1_14~0)) (and (= ((_ extract 7 0) .cse1) c_~var_1_14~0) (not .cse0))))) (= .cse2 .cse3) (let ((.cse6 (bvadd (bvneg .cse2) ((_ zero_extend 24) c_~var_1_15~0)))) (let ((.cse5 (bvsgt .cse6 c_~var_1_12~0))) (or (and (= c_~var_1_12~0 .cse4) (not .cse5)) (and .cse5 (= .cse6 .cse4))))) (= ((_ extract 7 0) .cse4) c_~var_1_8~0) (= c_~var_1_18~0 ((_ zero_extend 8) c_~var_1_10~0)) (= (_ bv0 8) c_~var_1_2~0) (let ((.cse7 (fp.gt c_~var_1_3~0 c_~var_1_9~0))) (or (and (not .cse7) (fp.gt c_~var_1_6~0 (fp.div c_currentRoundingMode c_~var_1_5~0 c_~var_1_9~0))) (and (fp.gt c_~var_1_6~0 (fp.div c_currentRoundingMode c_~var_1_5~0 c_~var_1_3~0)) .cse7))) (= .cse3 c_~var_1_12~0) (= c_~var_1_1~0 (_ bv1 16)))) is different from true