./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-16.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90302cc3-2e08-42c1-a481-ebf3420cff8e/bin/utaipan-verify-nQ1chXbOIh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90302cc3-2e08-42c1-a481-ebf3420cff8e/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_90302cc3-2e08-42c1-a481-ebf3420cff8e/bin/utaipan-verify-nQ1chXbOIh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90302cc3-2e08-42c1-a481-ebf3420cff8e/bin/utaipan-verify-nQ1chXbOIh/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-16.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90302cc3-2e08-42c1-a481-ebf3420cff8e/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_90302cc3-2e08-42c1-a481-ebf3420cff8e/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 82fbcd39199a525399eb28d721839336007b212e1ad38780097336285e9776e8 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 13:07:02,642 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 13:07:02,706 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90302cc3-2e08-42c1-a481-ebf3420cff8e/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-12-02 13:07:02,710 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 13:07:02,711 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-02 13:07:02,734 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 13:07:02,735 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-02 13:07:02,735 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-02 13:07:02,736 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 13:07:02,736 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-02 13:07:02,737 INFO L153 SettingsManager]: * User list type=DISABLED [2023-12-02 13:07:02,737 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-12-02 13:07:02,738 INFO L153 SettingsManager]: * Explicit value domain=true [2023-12-02 13:07:02,739 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-12-02 13:07:02,739 INFO L153 SettingsManager]: * Octagon Domain=false [2023-12-02 13:07:02,740 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-12-02 13:07:02,740 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-12-02 13:07:02,741 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-12-02 13:07:02,741 INFO L153 SettingsManager]: * Interval Domain=false [2023-12-02 13:07:02,742 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-12-02 13:07:02,742 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-12-02 13:07:02,743 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-12-02 13:07:02,744 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 13:07:02,744 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 13:07:02,745 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 13:07:02,745 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 13:07:02,746 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 13:07:02,746 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 13:07:02,747 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 13:07:02,747 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 13:07:02,747 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 13:07:02,748 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 13:07:02,748 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 13:07:02,748 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 13:07:02,748 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 13:07:02,748 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-02 13:07:02,749 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-02 13:07:02,749 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 13:07:02,749 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 13:07:02,749 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 13:07:02,749 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 13:07:02,750 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-12-02 13:07:02,750 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 13:07:02,750 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-02 13:07:02,750 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 13:07:02,750 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-12-02 13:07:02,751 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 13:07:02,751 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_90302cc3-2e08-42c1-a481-ebf3420cff8e/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90302cc3-2e08-42c1-a481-ebf3420cff8e/bin/utaipan-verify-nQ1chXbOIh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 82fbcd39199a525399eb28d721839336007b212e1ad38780097336285e9776e8 [2023-12-02 13:07:02,950 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 13:07:02,970 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 13:07:02,973 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 13:07:02,974 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 13:07:02,974 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 13:07:02,975 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90302cc3-2e08-42c1-a481-ebf3420cff8e/bin/utaipan-verify-nQ1chXbOIh/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-16.i [2023-12-02 13:07:05,706 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 13:07:05,893 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 13:07:05,893 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90302cc3-2e08-42c1-a481-ebf3420cff8e/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-16.i [2023-12-02 13:07:05,901 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90302cc3-2e08-42c1-a481-ebf3420cff8e/bin/utaipan-verify-nQ1chXbOIh/data/3268c3fb9/78219deaade74d51b6d4f819341eedf9/FLAGd6960bcdb [2023-12-02 13:07:05,915 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90302cc3-2e08-42c1-a481-ebf3420cff8e/bin/utaipan-verify-nQ1chXbOIh/data/3268c3fb9/78219deaade74d51b6d4f819341eedf9 [2023-12-02 13:07:05,918 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 13:07:05,919 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 13:07:05,921 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 13:07:05,921 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 13:07:05,926 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 13:07:05,927 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 01:07:05" (1/1) ... [2023-12-02 13:07:05,928 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4ac4ef4d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:07:05, skipping insertion in model container [2023-12-02 13:07:05,928 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 01:07:05" (1/1) ... [2023-12-02 13:07:05,969 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 13:07:06,093 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_90302cc3-2e08-42c1-a481-ebf3420cff8e/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-16.i[916,929] [2023-12-02 13:07:06,161 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 13:07:06,174 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 13:07:06,186 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_90302cc3-2e08-42c1-a481-ebf3420cff8e/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-16.i[916,929] [2023-12-02 13:07:06,226 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 13:07:06,244 INFO L206 MainTranslator]: Completed translation [2023-12-02 13:07:06,245 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:07:06 WrapperNode [2023-12-02 13:07:06,245 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 13:07:06,246 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 13:07:06,246 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 13:07:06,246 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 13:07:06,254 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:07:06" (1/1) ... [2023-12-02 13:07:06,267 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:07:06" (1/1) ... [2023-12-02 13:07:06,309 INFO L138 Inliner]: procedures = 26, calls = 34, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 240 [2023-12-02 13:07:06,310 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 13:07:06,310 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 13:07:06,310 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 13:07:06,311 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 13:07:06,320 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:07:06" (1/1) ... [2023-12-02 13:07:06,320 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:07:06" (1/1) ... [2023-12-02 13:07:06,324 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:07:06" (1/1) ... [2023-12-02 13:07:06,324 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:07:06" (1/1) ... [2023-12-02 13:07:06,340 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:07:06" (1/1) ... [2023-12-02 13:07:06,345 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:07:06" (1/1) ... [2023-12-02 13:07:06,350 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:07:06" (1/1) ... [2023-12-02 13:07:06,354 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:07:06" (1/1) ... [2023-12-02 13:07:06,361 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 13:07:06,362 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 13:07:06,362 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 13:07:06,362 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 13:07:06,363 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:07:06" (1/1) ... [2023-12-02 13:07:06,369 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 13:07:06,381 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90302cc3-2e08-42c1-a481-ebf3420cff8e/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 13:07:06,393 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90302cc3-2e08-42c1-a481-ebf3420cff8e/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-12-02 13:07:06,395 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90302cc3-2e08-42c1-a481-ebf3420cff8e/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-12-02 13:07:06,426 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 13:07:06,426 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-02 13:07:06,426 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-02 13:07:06,427 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 13:07:06,427 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 13:07:06,427 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 13:07:06,521 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 13:07:06,523 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 13:07:06,940 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 13:07:07,297 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 13:07:07,297 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-02 13:07:07,299 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 01:07:07 BoogieIcfgContainer [2023-12-02 13:07:07,299 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 13:07:07,301 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-02 13:07:07,301 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-02 13:07:07,304 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-02 13:07:07,304 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 01:07:05" (1/3) ... [2023-12-02 13:07:07,305 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7f02926d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 01:07:07, skipping insertion in model container [2023-12-02 13:07:07,305 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:07:06" (2/3) ... [2023-12-02 13:07:07,306 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7f02926d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 01:07:07, skipping insertion in model container [2023-12-02 13:07:07,306 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 01:07:07" (3/3) ... [2023-12-02 13:07:07,307 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_100-while_file-16.i [2023-12-02 13:07:07,322 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-02 13:07:07,322 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-02 13:07:07,363 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-02 13:07:07,369 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;@67c724d9, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-02 13:07:07,369 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-02 13:07:07,372 INFO L276 IsEmpty]: Start isEmpty. Operand has 42 states, 18 states have (on average 1.1666666666666667) internal successors, (21), 19 states have internal predecessors, (21), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2023-12-02 13:07:07,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2023-12-02 13:07:07,381 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 13:07:07,382 INFO L195 NwaCegarLoop]: trace histogram [21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 13:07:07,383 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 13:07:07,387 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 13:07:07,387 INFO L85 PathProgramCache]: Analyzing trace with hash 972741436, now seen corresponding path program 1 times [2023-12-02 13:07:07,414 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 13:07:07,414 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [207706464] [2023-12-02 13:07:07,415 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:07:07,415 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 13:07:07,553 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-02 13:07:07,554 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1894121561] [2023-12-02 13:07:07,554 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:07:07,554 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 13:07:07,554 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90302cc3-2e08-42c1-a481-ebf3420cff8e/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 13:07:07,560 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90302cc3-2e08-42c1-a481-ebf3420cff8e/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 13:07:07,570 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90302cc3-2e08-42c1-a481-ebf3420cff8e/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-12-02 13:07:07,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 13:07:07,995 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 13:07:08,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 13:07:08,231 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-12-02 13:07:08,233 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-12-02 13:07:08,234 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-02 13:07:08,245 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90302cc3-2e08-42c1-a481-ebf3420cff8e/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-12-02 13:07:08,437 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90302cc3-2e08-42c1-a481-ebf3420cff8e/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-12-02 13:07:08,441 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-12-02 13:07:08,443 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-12-02 13:07:08,525 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 01:07:08 BoogieIcfgContainer [2023-12-02 13:07:08,525 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-02 13:07:08,526 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-02 13:07:08,526 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-02 13:07:08,526 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-02 13:07:08,526 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 01:07:07" (3/4) ... [2023-12-02 13:07:08,528 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-02 13:07:08,530 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-02 13:07:08,531 INFO L158 Benchmark]: Toolchain (without parser) took 2611.08ms. Allocated memory is still 163.6MB. Free memory was 120.6MB in the beginning and 85.8MB in the end (delta: 34.8MB). Peak memory consumption was 37.9MB. Max. memory is 16.1GB. [2023-12-02 13:07:08,531 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 117.4MB. Free memory is still 72.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 13:07:08,532 INFO L158 Benchmark]: CACSL2BoogieTranslator took 324.62ms. Allocated memory is still 163.6MB. Free memory was 120.2MB in the beginning and 104.2MB in the end (delta: 16.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-12-02 13:07:08,532 INFO L158 Benchmark]: Boogie Procedure Inliner took 63.72ms. Allocated memory is still 163.6MB. Free memory was 104.2MB in the beginning and 99.2MB in the end (delta: 5.0MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-12-02 13:07:08,533 INFO L158 Benchmark]: Boogie Preprocessor took 50.82ms. Allocated memory is still 163.6MB. Free memory was 99.2MB in the beginning and 96.7MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 13:07:08,534 INFO L158 Benchmark]: RCFGBuilder took 936.87ms. Allocated memory is still 163.6MB. Free memory was 96.7MB in the beginning and 63.1MB in the end (delta: 33.5MB). Peak memory consumption was 41.2MB. Max. memory is 16.1GB. [2023-12-02 13:07:08,534 INFO L158 Benchmark]: TraceAbstraction took 1224.16ms. Allocated memory is still 163.6MB. Free memory was 62.6MB in the beginning and 85.8MB in the end (delta: -23.2MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 13:07:08,534 INFO L158 Benchmark]: Witness Printer took 4.07ms. Allocated memory is still 163.6MB. Free memory is still 85.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 13:07:08,538 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 117.4MB. Free memory is still 72.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 324.62ms. Allocated memory is still 163.6MB. Free memory was 120.2MB in the beginning and 104.2MB in the end (delta: 16.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 63.72ms. Allocated memory is still 163.6MB. Free memory was 104.2MB in the beginning and 99.2MB in the end (delta: 5.0MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 50.82ms. Allocated memory is still 163.6MB. Free memory was 99.2MB in the beginning and 96.7MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 936.87ms. Allocated memory is still 163.6MB. Free memory was 96.7MB in the beginning and 63.1MB in the end (delta: 33.5MB). Peak memory consumption was 41.2MB. Max. memory is 16.1GB. * TraceAbstraction took 1224.16ms. Allocated memory is still 163.6MB. Free memory was 62.6MB in the beginning and 85.8MB in the end (delta: -23.2MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.07ms. Allocated memory is still 163.6MB. Free memory is still 85.8MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 66, overapproximation of bitwiseAnd at line 112, overapproximation of someBinaryDOUBLEComparisonOperation at line 94, overapproximation of someUnaryFLOAToperation at line 89. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed short int var_1_1 = 2; [L23] signed char var_1_7 = -25; [L24] signed char var_1_9 = 50; [L25] signed char var_1_10 = -128; [L26] signed char var_1_11 = 0; [L27] signed char var_1_12 = -32; [L28] signed long int var_1_13 = 16; [L29] unsigned char var_1_14 = 1; [L30] unsigned long int var_1_15 = 16; [L31] unsigned char var_1_18 = 0; [L32] unsigned char var_1_19 = 0; [L33] unsigned char var_1_20 = 0; [L34] float var_1_21 = 127.25; [L35] float var_1_23 = 1.5; [L36] float var_1_24 = 100.5; [L37] signed char var_1_25 = 0; [L38] signed char var_1_26 = -2; [L39] signed char var_1_27 = 0; [L40] signed long int var_1_28 = -128; [L41] float var_1_30 = 9.375; [L42] double var_1_31 = 99999999.875; [L43] double var_1_32 = 4.8; [L44] unsigned short int var_1_33 = 0; [L45] unsigned short int var_1_35 = 54252; [L46] unsigned short int var_1_37 = 5; [L47] unsigned char var_1_38 = 4; [L48] signed char var_1_39 = -64; [L49] signed char last_1_var_1_10 = -128; [L50] unsigned char last_1_var_1_18 = 0; [L51] signed char last_1_var_1_25 = 0; [L52] unsigned short int last_1_var_1_33 = 0; [L53] signed char last_1_var_1_39 = -64; [L183] isInitial = 1 [L184] FCALL initially() [L185] COND TRUE 1 [L186] CALL updateLastVariables() [L172] last_1_var_1_10 = var_1_10 [L173] last_1_var_1_18 = var_1_18 [L174] last_1_var_1_25 = var_1_25 [L175] last_1_var_1_33 = var_1_33 [L176] last_1_var_1_39 = var_1_39 [L186] RET updateLastVariables() [L187] CALL updateVariables() [L137] var_1_9 = __VERIFIER_nondet_char() [L138] CALL assume_abort_if_not(var_1_9 >= -127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-128, last_1_var_1_18=0, last_1_var_1_25=0, last_1_var_1_33=0, last_1_var_1_39=-64, var_1_10=-128, var_1_11=0, var_1_12=-32, var_1_13=16, var_1_14=1, var_1_15=16, var_1_18=0, var_1_19=0, var_1_1=2, var_1_20=0, var_1_21=509/4, var_1_23=3/2, var_1_24=201/2, var_1_25=0, var_1_26=-2, var_1_27=0, var_1_28=-128, var_1_30=75/8, var_1_31=799999999/8, var_1_32=24/5, var_1_33=0, var_1_35=54252, var_1_37=5, var_1_38=4, var_1_39=-64, var_1_7=-25, var_1_9=-1] [L20] COND FALSE !(!cond) [L138] RET assume_abort_if_not(var_1_9 >= -127) VAL [isInitial=1, last_1_var_1_10=-128, last_1_var_1_18=0, last_1_var_1_25=0, last_1_var_1_33=0, last_1_var_1_39=-64, var_1_10=-128, var_1_11=0, var_1_12=-32, var_1_13=16, var_1_14=1, var_1_15=16, var_1_18=0, var_1_19=0, var_1_1=2, var_1_20=0, var_1_21=509/4, var_1_23=3/2, var_1_24=201/2, var_1_25=0, var_1_26=-2, var_1_27=0, var_1_28=-128, var_1_30=75/8, var_1_31=799999999/8, var_1_32=24/5, var_1_33=0, var_1_35=54252, var_1_37=5, var_1_38=4, var_1_39=-64, var_1_7=-25, var_1_9=-1] [L139] CALL assume_abort_if_not(var_1_9 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-128, last_1_var_1_18=0, last_1_var_1_25=0, last_1_var_1_33=0, last_1_var_1_39=-64, var_1_10=-128, var_1_11=0, var_1_12=-32, var_1_13=16, var_1_14=1, var_1_15=16, var_1_18=0, var_1_19=0, var_1_1=2, var_1_20=0, var_1_21=509/4, var_1_23=3/2, var_1_24=201/2, var_1_25=0, var_1_26=-2, var_1_27=0, var_1_28=-128, var_1_30=75/8, var_1_31=799999999/8, var_1_32=24/5, var_1_33=0, var_1_35=54252, var_1_37=5, var_1_38=4, var_1_39=-64, var_1_7=-25, var_1_9=-1] [L20] COND FALSE !(!cond) [L139] RET assume_abort_if_not(var_1_9 <= 126) VAL [isInitial=1, last_1_var_1_10=-128, last_1_var_1_18=0, last_1_var_1_25=0, last_1_var_1_33=0, last_1_var_1_39=-64, var_1_10=-128, var_1_11=0, var_1_12=-32, var_1_13=16, var_1_14=1, var_1_15=16, var_1_18=0, var_1_19=0, var_1_1=2, var_1_20=0, var_1_21=509/4, var_1_23=3/2, var_1_24=201/2, var_1_25=0, var_1_26=-2, var_1_27=0, var_1_28=-128, var_1_30=75/8, var_1_31=799999999/8, var_1_32=24/5, var_1_33=0, var_1_35=54252, var_1_37=5, var_1_38=4, var_1_39=-64, var_1_7=-25, var_1_9=-1] [L140] var_1_11 = __VERIFIER_nondet_char() [L141] CALL assume_abort_if_not(var_1_11 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-128, last_1_var_1_18=0, last_1_var_1_25=0, last_1_var_1_33=0, last_1_var_1_39=-64, var_1_10=-128, var_1_11=1, var_1_12=-32, var_1_13=16, var_1_14=1, var_1_15=16, var_1_18=0, var_1_19=0, var_1_1=2, var_1_20=0, var_1_21=509/4, var_1_23=3/2, var_1_24=201/2, var_1_25=0, var_1_26=-2, var_1_27=0, var_1_28=-128, var_1_30=75/8, var_1_31=799999999/8, var_1_32=24/5, var_1_33=0, var_1_35=54252, var_1_37=5, var_1_38=4, var_1_39=-64, var_1_7=-25, var_1_9=-1] [L20] COND FALSE !(!cond) [L141] RET assume_abort_if_not(var_1_11 >= 0) VAL [isInitial=1, last_1_var_1_10=-128, last_1_var_1_18=0, last_1_var_1_25=0, last_1_var_1_33=0, last_1_var_1_39=-64, var_1_10=-128, var_1_11=1, var_1_12=-32, var_1_13=16, var_1_14=1, var_1_15=16, var_1_18=0, var_1_19=0, var_1_1=2, var_1_20=0, var_1_21=509/4, var_1_23=3/2, var_1_24=201/2, var_1_25=0, var_1_26=-2, var_1_27=0, var_1_28=-128, var_1_30=75/8, var_1_31=799999999/8, var_1_32=24/5, var_1_33=0, var_1_35=54252, var_1_37=5, var_1_38=4, var_1_39=-64, var_1_7=-25, var_1_9=-1] [L142] CALL assume_abort_if_not(var_1_11 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-128, last_1_var_1_18=0, last_1_var_1_25=0, last_1_var_1_33=0, last_1_var_1_39=-64, var_1_10=-128, var_1_11=1, var_1_12=-32, var_1_13=16, var_1_14=1, var_1_15=16, var_1_18=0, var_1_19=0, var_1_1=2, var_1_20=0, var_1_21=509/4, var_1_23=3/2, var_1_24=201/2, var_1_25=0, var_1_26=-2, var_1_27=0, var_1_28=-128, var_1_30=75/8, var_1_31=799999999/8, var_1_32=24/5, var_1_33=0, var_1_35=54252, var_1_37=5, var_1_38=4, var_1_39=-64, var_1_7=-25, var_1_9=-1] [L20] COND FALSE !(!cond) [L142] RET assume_abort_if_not(var_1_11 <= 126) VAL [isInitial=1, last_1_var_1_10=-128, last_1_var_1_18=0, last_1_var_1_25=0, last_1_var_1_33=0, last_1_var_1_39=-64, var_1_10=-128, var_1_11=1, var_1_12=-32, var_1_13=16, var_1_14=1, var_1_15=16, var_1_18=0, var_1_19=0, var_1_1=2, var_1_20=0, var_1_21=509/4, var_1_23=3/2, var_1_24=201/2, var_1_25=0, var_1_26=-2, var_1_27=0, var_1_28=-128, var_1_30=75/8, var_1_31=799999999/8, var_1_32=24/5, var_1_33=0, var_1_35=54252, var_1_37=5, var_1_38=4, var_1_39=-64, var_1_7=-25, var_1_9=-1] [L143] var_1_13 = __VERIFIER_nondet_long() [L144] CALL assume_abort_if_not(var_1_13 >= -2147483648) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-128, last_1_var_1_18=0, last_1_var_1_25=0, last_1_var_1_33=0, last_1_var_1_39=-64, var_1_10=-128, var_1_11=1, var_1_12=-32, var_1_13=-1, var_1_14=1, var_1_15=16, var_1_18=0, var_1_19=0, var_1_1=2, var_1_20=0, var_1_21=509/4, var_1_23=3/2, var_1_24=201/2, var_1_25=0, var_1_26=-2, var_1_27=0, var_1_28=-128, var_1_30=75/8, var_1_31=799999999/8, var_1_32=24/5, var_1_33=0, var_1_35=54252, var_1_37=5, var_1_38=4, var_1_39=-64, var_1_7=-25, var_1_9=-1] [L20] COND FALSE !(!cond) [L144] RET assume_abort_if_not(var_1_13 >= -2147483648) VAL [isInitial=1, last_1_var_1_10=-128, last_1_var_1_18=0, last_1_var_1_25=0, last_1_var_1_33=0, last_1_var_1_39=-64, var_1_10=-128, var_1_11=1, var_1_12=-32, var_1_13=-1, var_1_14=1, var_1_15=16, var_1_18=0, var_1_19=0, var_1_1=2, var_1_20=0, var_1_21=509/4, var_1_23=3/2, var_1_24=201/2, var_1_25=0, var_1_26=-2, var_1_27=0, var_1_28=-128, var_1_30=75/8, var_1_31=799999999/8, var_1_32=24/5, var_1_33=0, var_1_35=54252, var_1_37=5, var_1_38=4, var_1_39=-64, var_1_7=-25, var_1_9=-1] [L145] CALL assume_abort_if_not(var_1_13 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-128, last_1_var_1_18=0, last_1_var_1_25=0, last_1_var_1_33=0, last_1_var_1_39=-64, var_1_10=-128, var_1_11=1, var_1_12=-32, var_1_13=-1, var_1_14=1, var_1_15=16, var_1_18=0, var_1_19=0, var_1_1=2, var_1_20=0, var_1_21=509/4, var_1_23=3/2, var_1_24=201/2, var_1_25=0, var_1_26=-2, var_1_27=0, var_1_28=-128, var_1_30=75/8, var_1_31=799999999/8, var_1_32=24/5, var_1_33=0, var_1_35=54252, var_1_37=5, var_1_38=4, var_1_39=-64, var_1_7=-25, var_1_9=-1] [L20] COND FALSE !(!cond) [L145] RET assume_abort_if_not(var_1_13 <= 2147483647) VAL [isInitial=1, last_1_var_1_10=-128, last_1_var_1_18=0, last_1_var_1_25=0, last_1_var_1_33=0, last_1_var_1_39=-64, var_1_10=-128, var_1_11=1, var_1_12=-32, var_1_13=-1, var_1_14=1, var_1_15=16, var_1_18=0, var_1_19=0, var_1_1=2, var_1_20=0, var_1_21=509/4, var_1_23=3/2, var_1_24=201/2, var_1_25=0, var_1_26=-2, var_1_27=0, var_1_28=-128, var_1_30=75/8, var_1_31=799999999/8, var_1_32=24/5, var_1_33=0, var_1_35=54252, var_1_37=5, var_1_38=4, var_1_39=-64, var_1_7=-25, var_1_9=-1] [L146] CALL assume_abort_if_not(var_1_13 != 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-128, last_1_var_1_18=0, last_1_var_1_25=0, last_1_var_1_33=0, last_1_var_1_39=-64, var_1_10=-128, var_1_11=1, var_1_12=-32, var_1_13=-1, var_1_14=1, var_1_15=16, var_1_18=0, var_1_19=0, var_1_1=2, var_1_20=0, var_1_21=509/4, var_1_23=3/2, var_1_24=201/2, var_1_25=0, var_1_26=-2, var_1_27=0, var_1_28=-128, var_1_30=75/8, var_1_31=799999999/8, var_1_32=24/5, var_1_33=0, var_1_35=54252, var_1_37=5, var_1_38=4, var_1_39=-64, var_1_7=-25, var_1_9=-1] [L20] COND FALSE !(!cond) [L146] RET assume_abort_if_not(var_1_13 != 0) VAL [isInitial=1, last_1_var_1_10=-128, last_1_var_1_18=0, last_1_var_1_25=0, last_1_var_1_33=0, last_1_var_1_39=-64, var_1_10=-128, var_1_11=1, var_1_12=-32, var_1_13=-1, var_1_14=1, var_1_15=16, var_1_18=0, var_1_19=0, var_1_1=2, var_1_20=0, var_1_21=509/4, var_1_23=3/2, var_1_24=201/2, var_1_25=0, var_1_26=-2, var_1_27=0, var_1_28=-128, var_1_30=75/8, var_1_31=799999999/8, var_1_32=24/5, var_1_33=0, var_1_35=54252, var_1_37=5, var_1_38=4, var_1_39=-64, var_1_7=-25, var_1_9=-1] [L147] var_1_19 = __VERIFIER_nondet_uchar() [L148] CALL assume_abort_if_not(var_1_19 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-128, last_1_var_1_18=0, last_1_var_1_25=0, last_1_var_1_33=0, last_1_var_1_39=-64, var_1_10=-128, var_1_11=1, var_1_12=-32, var_1_13=-1, var_1_14=1, var_1_15=16, var_1_18=0, var_1_1=2, var_1_20=0, var_1_21=509/4, var_1_23=3/2, var_1_24=201/2, var_1_25=0, var_1_26=-2, var_1_27=0, var_1_28=-128, var_1_30=75/8, var_1_31=799999999/8, var_1_32=24/5, var_1_33=0, var_1_35=54252, var_1_37=5, var_1_38=4, var_1_39=-64, var_1_7=-25, var_1_9=-1] [L20] COND FALSE !(!cond) [L148] RET assume_abort_if_not(var_1_19 >= 0) VAL [isInitial=1, last_1_var_1_10=-128, last_1_var_1_18=0, last_1_var_1_25=0, last_1_var_1_33=0, last_1_var_1_39=-64, var_1_10=-128, var_1_11=1, var_1_12=-32, var_1_13=-1, var_1_14=1, var_1_15=16, var_1_18=0, var_1_1=2, var_1_20=0, var_1_21=509/4, var_1_23=3/2, var_1_24=201/2, var_1_25=0, var_1_26=-2, var_1_27=0, var_1_28=-128, var_1_30=75/8, var_1_31=799999999/8, var_1_32=24/5, var_1_33=0, var_1_35=54252, var_1_37=5, var_1_38=4, var_1_39=-64, var_1_7=-25, var_1_9=-1] [L149] CALL assume_abort_if_not(var_1_19 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-128, last_1_var_1_18=0, last_1_var_1_25=0, last_1_var_1_33=0, last_1_var_1_39=-64, var_1_10=-128, var_1_11=1, var_1_12=-32, var_1_13=-1, var_1_14=1, var_1_15=16, var_1_18=0, var_1_19=0, var_1_1=2, var_1_20=0, var_1_21=509/4, var_1_23=3/2, var_1_24=201/2, var_1_25=0, var_1_26=-2, var_1_27=0, var_1_28=-128, var_1_30=75/8, var_1_31=799999999/8, var_1_32=24/5, var_1_33=0, var_1_35=54252, var_1_37=5, var_1_38=4, var_1_39=-64, var_1_7=-25, var_1_9=-1] [L20] COND FALSE !(!cond) [L149] RET assume_abort_if_not(var_1_19 <= 0) VAL [isInitial=1, last_1_var_1_10=-128, last_1_var_1_18=0, last_1_var_1_25=0, last_1_var_1_33=0, last_1_var_1_39=-64, var_1_10=-128, var_1_11=1, var_1_12=-32, var_1_13=-1, var_1_14=1, var_1_15=16, var_1_18=0, var_1_19=0, var_1_1=2, var_1_20=0, var_1_21=509/4, var_1_23=3/2, var_1_24=201/2, var_1_25=0, var_1_26=-2, var_1_27=0, var_1_28=-128, var_1_30=75/8, var_1_31=799999999/8, var_1_32=24/5, var_1_33=0, var_1_35=54252, var_1_37=5, var_1_38=4, var_1_39=-64, var_1_7=-25, var_1_9=-1] [L150] var_1_20 = __VERIFIER_nondet_uchar() [L151] CALL assume_abort_if_not(var_1_20 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-128, last_1_var_1_18=0, last_1_var_1_25=0, last_1_var_1_33=0, last_1_var_1_39=-64, var_1_10=-128, var_1_11=1, var_1_12=-32, var_1_13=-1, var_1_14=1, var_1_15=16, var_1_18=0, var_1_19=0, var_1_1=2, var_1_21=509/4, var_1_23=3/2, var_1_24=201/2, var_1_25=0, var_1_26=-2, var_1_27=0, var_1_28=-128, var_1_30=75/8, var_1_31=799999999/8, var_1_32=24/5, var_1_33=0, var_1_35=54252, var_1_37=5, var_1_38=4, var_1_39=-64, var_1_7=-25, var_1_9=-1] [L20] COND FALSE !(!cond) [L151] RET assume_abort_if_not(var_1_20 >= 0) VAL [isInitial=1, last_1_var_1_10=-128, last_1_var_1_18=0, last_1_var_1_25=0, last_1_var_1_33=0, last_1_var_1_39=-64, var_1_10=-128, var_1_11=1, var_1_12=-32, var_1_13=-1, var_1_14=1, var_1_15=16, var_1_18=0, var_1_19=0, var_1_1=2, var_1_21=509/4, var_1_23=3/2, var_1_24=201/2, var_1_25=0, var_1_26=-2, var_1_27=0, var_1_28=-128, var_1_30=75/8, var_1_31=799999999/8, var_1_32=24/5, var_1_33=0, var_1_35=54252, var_1_37=5, var_1_38=4, var_1_39=-64, var_1_7=-25, var_1_9=-1] [L152] CALL assume_abort_if_not(var_1_20 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-128, last_1_var_1_18=0, last_1_var_1_25=0, last_1_var_1_33=0, last_1_var_1_39=-64, var_1_10=-128, var_1_11=1, var_1_12=-32, var_1_13=-1, var_1_14=1, var_1_15=16, var_1_18=0, var_1_19=0, var_1_1=2, var_1_20=0, var_1_21=509/4, var_1_23=3/2, var_1_24=201/2, var_1_25=0, var_1_26=-2, var_1_27=0, var_1_28=-128, var_1_30=75/8, var_1_31=799999999/8, var_1_32=24/5, var_1_33=0, var_1_35=54252, var_1_37=5, var_1_38=4, var_1_39=-64, var_1_7=-25, var_1_9=-1] [L20] COND FALSE !(!cond) [L152] RET assume_abort_if_not(var_1_20 <= 0) VAL [isInitial=1, last_1_var_1_10=-128, last_1_var_1_18=0, last_1_var_1_25=0, last_1_var_1_33=0, last_1_var_1_39=-64, var_1_10=-128, var_1_11=1, var_1_12=-32, var_1_13=-1, var_1_14=1, var_1_15=16, var_1_18=0, var_1_19=0, var_1_1=2, var_1_20=0, var_1_21=509/4, var_1_23=3/2, var_1_24=201/2, var_1_25=0, var_1_26=-2, var_1_27=0, var_1_28=-128, var_1_30=75/8, var_1_31=799999999/8, var_1_32=24/5, var_1_33=0, var_1_35=54252, var_1_37=5, var_1_38=4, var_1_39=-64, var_1_7=-25, var_1_9=-1] [L153] var_1_23 = __VERIFIER_nondet_float() [L154] CALL assume_abort_if_not((var_1_23 >= -922337.2036854765600e+13F && var_1_23 <= -1.0e-20F) || (var_1_23 <= 9223372.036854765600e+12F && var_1_23 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-128, last_1_var_1_18=0, last_1_var_1_25=0, last_1_var_1_33=0, last_1_var_1_39=-64, var_1_10=-128, var_1_11=1, var_1_12=-32, var_1_13=-1, var_1_14=1, var_1_15=16, var_1_18=0, var_1_19=0, var_1_1=2, var_1_20=0, var_1_21=509/4, var_1_24=201/2, var_1_25=0, var_1_26=-2, var_1_27=0, var_1_28=-128, var_1_30=75/8, var_1_31=799999999/8, var_1_32=24/5, var_1_33=0, var_1_35=54252, var_1_37=5, var_1_38=4, var_1_39=-64, var_1_7=-25, var_1_9=-1] [L20] COND FALSE !(!cond) [L154] RET assume_abort_if_not((var_1_23 >= -922337.2036854765600e+13F && var_1_23 <= -1.0e-20F) || (var_1_23 <= 9223372.036854765600e+12F && var_1_23 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_10=-128, last_1_var_1_18=0, last_1_var_1_25=0, last_1_var_1_33=0, last_1_var_1_39=-64, var_1_10=-128, var_1_11=1, var_1_12=-32, var_1_13=-1, var_1_14=1, var_1_15=16, var_1_18=0, var_1_19=0, var_1_1=2, var_1_20=0, var_1_21=509/4, var_1_24=201/2, var_1_25=0, var_1_26=-2, var_1_27=0, var_1_28=-128, var_1_30=75/8, var_1_31=799999999/8, var_1_32=24/5, var_1_33=0, var_1_35=54252, var_1_37=5, var_1_38=4, var_1_39=-64, var_1_7=-25, var_1_9=-1] [L155] var_1_24 = __VERIFIER_nondet_float() [L156] CALL assume_abort_if_not((var_1_24 >= -922337.2036854765600e+13F && var_1_24 <= -1.0e-20F) || (var_1_24 <= 9223372.036854765600e+12F && var_1_24 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-128, last_1_var_1_18=0, last_1_var_1_25=0, last_1_var_1_33=0, last_1_var_1_39=-64, var_1_10=-128, var_1_11=1, var_1_12=-32, var_1_13=-1, var_1_14=1, var_1_15=16, var_1_18=0, var_1_19=0, var_1_1=2, var_1_20=0, var_1_21=509/4, var_1_25=0, var_1_26=-2, var_1_27=0, var_1_28=-128, var_1_30=75/8, var_1_31=799999999/8, var_1_32=24/5, var_1_33=0, var_1_35=54252, var_1_37=5, var_1_38=4, var_1_39=-64, var_1_7=-25, var_1_9=-1] [L20] COND FALSE !(!cond) [L156] RET assume_abort_if_not((var_1_24 >= -922337.2036854765600e+13F && var_1_24 <= -1.0e-20F) || (var_1_24 <= 9223372.036854765600e+12F && var_1_24 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_10=-128, last_1_var_1_18=0, last_1_var_1_25=0, last_1_var_1_33=0, last_1_var_1_39=-64, var_1_10=-128, var_1_11=1, var_1_12=-32, var_1_13=-1, var_1_14=1, var_1_15=16, var_1_18=0, var_1_19=0, var_1_1=2, var_1_20=0, var_1_21=509/4, var_1_25=0, var_1_26=-2, var_1_27=0, var_1_28=-128, var_1_30=75/8, var_1_31=799999999/8, var_1_32=24/5, var_1_33=0, var_1_35=54252, var_1_37=5, var_1_38=4, var_1_39=-64, var_1_7=-25, var_1_9=-1] [L157] var_1_26 = __VERIFIER_nondet_char() [L158] CALL assume_abort_if_not(var_1_26 >= -63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-128, last_1_var_1_18=0, last_1_var_1_25=0, last_1_var_1_33=0, last_1_var_1_39=-64, var_1_10=-128, var_1_11=1, var_1_12=-32, var_1_13=-1, var_1_14=1, var_1_15=16, var_1_18=0, var_1_19=0, var_1_1=2, var_1_20=0, var_1_21=509/4, var_1_25=0, var_1_26=-10, var_1_27=0, var_1_28=-128, var_1_30=75/8, var_1_31=799999999/8, var_1_32=24/5, var_1_33=0, var_1_35=54252, var_1_37=5, var_1_38=4, var_1_39=-64, var_1_7=-25, var_1_9=-1] [L20] COND FALSE !(!cond) [L158] RET assume_abort_if_not(var_1_26 >= -63) VAL [isInitial=1, last_1_var_1_10=-128, last_1_var_1_18=0, last_1_var_1_25=0, last_1_var_1_33=0, last_1_var_1_39=-64, var_1_10=-128, var_1_11=1, var_1_12=-32, var_1_13=-1, var_1_14=1, var_1_15=16, var_1_18=0, var_1_19=0, var_1_1=2, var_1_20=0, var_1_21=509/4, var_1_25=0, var_1_26=-10, var_1_27=0, var_1_28=-128, var_1_30=75/8, var_1_31=799999999/8, var_1_32=24/5, var_1_33=0, var_1_35=54252, var_1_37=5, var_1_38=4, var_1_39=-64, var_1_7=-25, var_1_9=-1] [L159] CALL assume_abort_if_not(var_1_26 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-128, last_1_var_1_18=0, last_1_var_1_25=0, last_1_var_1_33=0, last_1_var_1_39=-64, var_1_10=-128, var_1_11=1, var_1_12=-32, var_1_13=-1, var_1_14=1, var_1_15=16, var_1_18=0, var_1_19=0, var_1_1=2, var_1_20=0, var_1_21=509/4, var_1_25=0, var_1_26=-10, var_1_27=0, var_1_28=-128, var_1_30=75/8, var_1_31=799999999/8, var_1_32=24/5, var_1_33=0, var_1_35=54252, var_1_37=5, var_1_38=4, var_1_39=-64, var_1_7=-25, var_1_9=-1] [L20] COND FALSE !(!cond) [L159] RET assume_abort_if_not(var_1_26 <= 63) VAL [isInitial=1, last_1_var_1_10=-128, last_1_var_1_18=0, last_1_var_1_25=0, last_1_var_1_33=0, last_1_var_1_39=-64, var_1_10=-128, var_1_11=1, var_1_12=-32, var_1_13=-1, var_1_14=1, var_1_15=16, var_1_18=0, var_1_19=0, var_1_1=2, var_1_20=0, var_1_21=509/4, var_1_25=0, var_1_26=-10, var_1_27=0, var_1_28=-128, var_1_30=75/8, var_1_31=799999999/8, var_1_32=24/5, var_1_33=0, var_1_35=54252, var_1_37=5, var_1_38=4, var_1_39=-64, var_1_7=-25, var_1_9=-1] [L160] var_1_27 = __VERIFIER_nondet_char() [L161] CALL assume_abort_if_not(var_1_27 >= -63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-128, last_1_var_1_18=0, last_1_var_1_25=0, last_1_var_1_33=0, last_1_var_1_39=-64, var_1_10=-128, var_1_11=1, var_1_12=-32, var_1_13=-1, var_1_14=1, var_1_15=16, var_1_18=0, var_1_19=0, var_1_1=2, var_1_20=0, var_1_21=509/4, var_1_25=0, var_1_26=-10, var_1_27=10, var_1_28=-128, var_1_30=75/8, var_1_31=799999999/8, var_1_32=24/5, var_1_33=0, var_1_35=54252, var_1_37=5, var_1_38=4, var_1_39=-64, var_1_7=-25, var_1_9=-1] [L20] COND FALSE !(!cond) [L161] RET assume_abort_if_not(var_1_27 >= -63) VAL [isInitial=1, last_1_var_1_10=-128, last_1_var_1_18=0, last_1_var_1_25=0, last_1_var_1_33=0, last_1_var_1_39=-64, var_1_10=-128, var_1_11=1, var_1_12=-32, var_1_13=-1, var_1_14=1, var_1_15=16, var_1_18=0, var_1_19=0, var_1_1=2, var_1_20=0, var_1_21=509/4, var_1_25=0, var_1_26=-10, var_1_27=10, var_1_28=-128, var_1_30=75/8, var_1_31=799999999/8, var_1_32=24/5, var_1_33=0, var_1_35=54252, var_1_37=5, var_1_38=4, var_1_39=-64, var_1_7=-25, var_1_9=-1] [L162] CALL assume_abort_if_not(var_1_27 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-128, last_1_var_1_18=0, last_1_var_1_25=0, last_1_var_1_33=0, last_1_var_1_39=-64, var_1_10=-128, var_1_11=1, var_1_12=-32, var_1_13=-1, var_1_14=1, var_1_15=16, var_1_18=0, var_1_19=0, var_1_1=2, var_1_20=0, var_1_21=509/4, var_1_25=0, var_1_26=-10, var_1_27=10, var_1_28=-128, var_1_30=75/8, var_1_31=799999999/8, var_1_32=24/5, var_1_33=0, var_1_35=54252, var_1_37=5, var_1_38=4, var_1_39=-64, var_1_7=-25, var_1_9=-1] [L20] COND FALSE !(!cond) [L162] RET assume_abort_if_not(var_1_27 <= 63) VAL [isInitial=1, last_1_var_1_10=-128, last_1_var_1_18=0, last_1_var_1_25=0, last_1_var_1_33=0, last_1_var_1_39=-64, var_1_10=-128, var_1_11=1, var_1_12=-32, var_1_13=-1, var_1_14=1, var_1_15=16, var_1_18=0, var_1_19=0, var_1_1=2, var_1_20=0, var_1_21=509/4, var_1_25=0, var_1_26=-10, var_1_27=10, var_1_28=-128, var_1_30=75/8, var_1_31=799999999/8, var_1_32=24/5, var_1_33=0, var_1_35=54252, var_1_37=5, var_1_38=4, var_1_39=-64, var_1_7=-25, var_1_9=-1] [L163] var_1_31 = __VERIFIER_nondet_double() [L164] CALL assume_abort_if_not((var_1_31 >= 0.0F && var_1_31 <= -1.0e-20F) || (var_1_31 <= 9223372.036854776000e+12F && var_1_31 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-128, last_1_var_1_18=0, last_1_var_1_25=0, last_1_var_1_33=0, last_1_var_1_39=-64, var_1_10=-128, var_1_11=1, var_1_12=-32, var_1_13=-1, var_1_14=1, var_1_15=16, var_1_18=0, var_1_19=0, var_1_1=2, var_1_20=0, var_1_21=509/4, var_1_25=0, var_1_26=-10, var_1_27=10, var_1_28=-128, var_1_30=75/8, var_1_32=24/5, var_1_33=0, var_1_35=54252, var_1_37=5, var_1_38=4, var_1_39=-64, var_1_7=-25, var_1_9=-1] [L20] COND FALSE !(!cond) [L164] RET assume_abort_if_not((var_1_31 >= 0.0F && var_1_31 <= -1.0e-20F) || (var_1_31 <= 9223372.036854776000e+12F && var_1_31 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_10=-128, last_1_var_1_18=0, last_1_var_1_25=0, last_1_var_1_33=0, last_1_var_1_39=-64, var_1_10=-128, var_1_11=1, var_1_12=-32, var_1_13=-1, var_1_14=1, var_1_15=16, var_1_18=0, var_1_19=0, var_1_1=2, var_1_20=0, var_1_21=509/4, var_1_25=0, var_1_26=-10, var_1_27=10, var_1_28=-128, var_1_30=75/8, var_1_32=24/5, var_1_33=0, var_1_35=54252, var_1_37=5, var_1_38=4, var_1_39=-64, var_1_7=-25, var_1_9=-1] [L165] var_1_32 = __VERIFIER_nondet_double() [L166] CALL assume_abort_if_not((var_1_32 >= 0.0F && var_1_32 <= -1.0e-20F) || (var_1_32 <= 9223372.036854776000e+12F && var_1_32 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-128, last_1_var_1_18=0, last_1_var_1_25=0, last_1_var_1_33=0, last_1_var_1_39=-64, var_1_10=-128, var_1_11=1, var_1_12=-32, var_1_13=-1, var_1_14=1, var_1_15=16, var_1_18=0, var_1_19=0, var_1_1=2, var_1_20=0, var_1_21=509/4, var_1_25=0, var_1_26=-10, var_1_27=10, var_1_28=-128, var_1_30=75/8, var_1_33=0, var_1_35=54252, var_1_37=5, var_1_38=4, var_1_39=-64, var_1_7=-25, var_1_9=-1] [L20] COND FALSE !(!cond) [L166] RET assume_abort_if_not((var_1_32 >= 0.0F && var_1_32 <= -1.0e-20F) || (var_1_32 <= 9223372.036854776000e+12F && var_1_32 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_10=-128, last_1_var_1_18=0, last_1_var_1_25=0, last_1_var_1_33=0, last_1_var_1_39=-64, var_1_10=-128, var_1_11=1, var_1_12=-32, var_1_13=-1, var_1_14=1, var_1_15=16, var_1_18=0, var_1_19=0, var_1_1=2, var_1_20=0, var_1_21=509/4, var_1_25=0, var_1_26=-10, var_1_27=10, var_1_28=-128, var_1_30=75/8, var_1_33=0, var_1_35=54252, var_1_37=5, var_1_38=4, var_1_39=-64, var_1_7=-25, var_1_9=-1] [L167] var_1_35 = __VERIFIER_nondet_ushort() [L168] CALL assume_abort_if_not(var_1_35 >= 49150) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-128, last_1_var_1_18=0, last_1_var_1_25=0, last_1_var_1_33=0, last_1_var_1_39=-64, var_1_10=-128, var_1_11=1, var_1_12=-32, var_1_13=-1, var_1_14=1, var_1_15=16, var_1_18=0, var_1_19=0, var_1_1=2, var_1_20=0, var_1_21=509/4, var_1_25=0, var_1_26=-10, var_1_27=10, var_1_28=-128, var_1_30=75/8, var_1_33=0, var_1_35=49150, var_1_37=5, var_1_38=4, var_1_39=-64, var_1_7=-25, var_1_9=-1] [L20] COND FALSE !(!cond) [L168] RET assume_abort_if_not(var_1_35 >= 49150) VAL [isInitial=1, last_1_var_1_10=-128, last_1_var_1_18=0, last_1_var_1_25=0, last_1_var_1_33=0, last_1_var_1_39=-64, var_1_10=-128, var_1_11=1, var_1_12=-32, var_1_13=-1, var_1_14=1, var_1_15=16, var_1_18=0, var_1_19=0, var_1_1=2, var_1_20=0, var_1_21=509/4, var_1_25=0, var_1_26=-10, var_1_27=10, var_1_28=-128, var_1_30=75/8, var_1_33=0, var_1_35=49150, var_1_37=5, var_1_38=4, var_1_39=-64, var_1_7=-25, var_1_9=-1] [L169] CALL assume_abort_if_not(var_1_35 <= 65534) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-128, last_1_var_1_18=0, last_1_var_1_25=0, last_1_var_1_33=0, last_1_var_1_39=-64, var_1_10=-128, var_1_11=1, var_1_12=-32, var_1_13=-1, var_1_14=1, var_1_15=16, var_1_18=0, var_1_19=0, var_1_1=2, var_1_20=0, var_1_21=509/4, var_1_25=0, var_1_26=-10, var_1_27=10, var_1_28=-128, var_1_30=75/8, var_1_33=0, var_1_35=49150, var_1_37=5, var_1_38=4, var_1_39=-64, var_1_7=-25, var_1_9=-1] [L20] COND FALSE !(!cond) [L169] RET assume_abort_if_not(var_1_35 <= 65534) VAL [isInitial=1, last_1_var_1_10=-128, last_1_var_1_18=0, last_1_var_1_25=0, last_1_var_1_33=0, last_1_var_1_39=-64, var_1_10=-128, var_1_11=1, var_1_12=-32, var_1_13=-1, var_1_14=1, var_1_15=16, var_1_18=0, var_1_19=0, var_1_1=2, var_1_20=0, var_1_21=509/4, var_1_25=0, var_1_26=-10, var_1_27=10, var_1_28=-128, var_1_30=75/8, var_1_33=0, var_1_35=49150, var_1_37=5, var_1_38=4, var_1_39=-64, var_1_7=-25, var_1_9=-1] [L187] RET updateVariables() [L188] CALL step() [L57] unsigned char stepLocal_3 = last_1_var_1_18; [L58] COND FALSE !(stepLocal_3 || var_1_20) [L61] COND FALSE !(\read(var_1_20)) [L65] var_1_18 = (! (var_1_19 || var_1_20)) [L66] COND TRUE (- var_1_24) < var_1_23 [L67] var_1_25 = (((((-10) < (var_1_26)) ? (-10) : (var_1_26))) + var_1_27) [L69] var_1_37 = var_1_11 [L70] var_1_38 = var_1_11 [L71] var_1_39 = var_1_11 [L72] COND TRUE \read(var_1_18) [L73] var_1_7 = var_1_9 [L75] signed char stepLocal_1 = var_1_9; [L76] COND FALSE !((last_1_var_1_10 + var_1_7) > stepLocal_1) [L79] COND FALSE !((var_1_7 / var_1_13) == var_1_25) [L82] COND FALSE !(var_1_13 >= var_1_11) [L85] var_1_12 = var_1_9 [L88] COND TRUE (var_1_11 - var_1_37) != -256 [L89] var_1_21 = ((((((((var_1_23) < 0 ) ? -(var_1_23) : (var_1_23)))) < (var_1_24)) ? (((((var_1_23) < 0 ) ? -(var_1_23) : (var_1_23)))) : (var_1_24))) [L93] signed long int stepLocal_4 = var_1_28; [L94] COND FALSE !(((var_1_31 - var_1_32) + var_1_24) != var_1_23) [L97] COND TRUE stepLocal_4 <= var_1_10 [L98] var_1_30 = var_1_23 [L101] COND TRUE var_1_28 < var_1_37 [L102] var_1_33 = (((26262 - var_1_11) + 18571) - var_1_38) [L122] signed long int stepLocal_0 = var_1_28; [L123] COND TRUE stepLocal_0 >= (var_1_37 * (10u * var_1_33)) [L124] var_1_1 = (var_1_10 + var_1_10) [L128] unsigned long int stepLocal_2 = 1u; [L129] COND FALSE !((((((var_1_13) < (25u)) ? (var_1_13) : (25u))) + var_1_33) == stepLocal_2) [L132] COND TRUE var_1_1 <= var_1_33 [L133] var_1_15 = ((((var_1_11) > (var_1_37)) ? (var_1_11) : (var_1_37))) [L188] RET step() [L189] CALL, EXPR property() [L179] EXPR ((((((((((((var_1_28 >= (var_1_37 * (10u * var_1_33))) ? (var_1_1 == ((signed short int) (var_1_10 + var_1_10))) : (var_1_1 == ((signed short int) var_1_10))) && (var_1_18 ? (var_1_7 == ((signed char) var_1_9)) : 1)) && (((last_1_var_1_10 + var_1_7) > var_1_9) ? (var_1_10 == ((signed char) (1 - var_1_11))) : 1)) && (((var_1_7 / var_1_13) == var_1_25) ? (var_1_12 == ((signed char) var_1_9)) : ((var_1_13 >= var_1_11) ? (var_1_12 == ((signed char) var_1_11)) : (var_1_12 == ((signed char) var_1_9))))) && (((((((var_1_13) < (25u)) ? (var_1_13) : (25u))) + var_1_33) == 1u) ? (var_1_14 == ((unsigned char) (! 0))) : 1)) && ((var_1_1 <= var_1_33) ? (var_1_15 == ((unsigned long int) ((((var_1_11) > (var_1_37)) ? (var_1_11) : (var_1_37))))) : 1)) && (var_1_18 == ((unsigned char) (! (var_1_19 || var_1_20))))) && (((var_1_11 - var_1_37) != -256) ? (var_1_21 == ((float) ((((((((var_1_23) < 0 ) ? -(var_1_23) : (var_1_23)))) < (var_1_24)) ? (((((var_1_23) < 0 ) ? -(var_1_23) : (var_1_23)))) : (var_1_24))))) : (var_1_21 == ((float) var_1_23)))) && (((- var_1_24) < var_1_23) ? (var_1_25 == ((signed char) (((((-10) < (var_1_26)) ? (-10) : (var_1_26))) + var_1_27))) : 1)) && ((last_1_var_1_18 || var_1_20) ? (var_1_28 == ((signed long int) (((((((((var_1_27) < 0 ) ? -(var_1_27) : (var_1_27))) - (var_1_11 + last_1_var_1_33))) > (last_1_var_1_25)) ? ((((((var_1_27) < 0 ) ? -(var_1_27) : (var_1_27))) - (var_1_11 + last_1_var_1_33))) : (last_1_var_1_25))))) : (var_1_20 ? (var_1_28 == ((signed long int) ((((last_1_var_1_33) > ((last_1_var_1_39 + last_1_var_1_25))) ? (last_1_var_1_33) : ((last_1_var_1_39 + last_1_var_1_25)))))) : 1))) && ((((var_1_31 - var_1_32) + var_1_24) != var_1_23) ? (var_1_30 == ((float) ((((var_1_23) < (var_1_24)) ? (var_1_23) : (var_1_24))))) : ((var_1_28 <= var_1_10) ? (var_1_30 == ((float) var_1_23)) : 1))) && ((var_1_28 < var_1_37) ? (var_1_33 == ((unsigned short int) (((26262 - var_1_11) + 18571) - var_1_38))) : ((! var_1_18) ? ((var_1_10 != (var_1_38 & (var_1_11 - 32))) ? (var_1_33 == ((unsigned short int) ((((((var_1_35 - var_1_11) - var_1_38)) < (var_1_38)) ? (((var_1_35 - var_1_11) - var_1_38)) : (var_1_38))))) : (var_1_33 == ((unsigned short int) (var_1_35 - var_1_38)))) : ((128u > var_1_38) ? (((var_1_38 * var_1_38) == (var_1_38 & var_1_28)) ? (var_1_33 == ((unsigned short int) var_1_11)) : (var_1_33 == ((unsigned short int) ((((((((var_1_11) > (var_1_35)) ? (var_1_11) : (var_1_35)))) < (var_1_38)) ? (((((var_1_11) > (var_1_35)) ? (var_1_11) : (var_1_35)))) : (var_1_38)))))) : (var_1_33 == ((unsigned short int) var_1_38))))) [L179-L180] return (((((((((((((((var_1_28 >= (var_1_37 * (10u * var_1_33))) ? (var_1_1 == ((signed short int) (var_1_10 + var_1_10))) : (var_1_1 == ((signed short int) var_1_10))) && (var_1_18 ? (var_1_7 == ((signed char) var_1_9)) : 1)) && (((last_1_var_1_10 + var_1_7) > var_1_9) ? (var_1_10 == ((signed char) (1 - var_1_11))) : 1)) && (((var_1_7 / var_1_13) == var_1_25) ? (var_1_12 == ((signed char) var_1_9)) : ((var_1_13 >= var_1_11) ? (var_1_12 == ((signed char) var_1_11)) : (var_1_12 == ((signed char) var_1_9))))) && (((((((var_1_13) < (25u)) ? (var_1_13) : (25u))) + var_1_33) == 1u) ? (var_1_14 == ((unsigned char) (! 0))) : 1)) && ((var_1_1 <= var_1_33) ? (var_1_15 == ((unsigned long int) ((((var_1_11) > (var_1_37)) ? (var_1_11) : (var_1_37))))) : 1)) && (var_1_18 == ((unsigned char) (! (var_1_19 || var_1_20))))) && (((var_1_11 - var_1_37) != -256) ? (var_1_21 == ((float) ((((((((var_1_23) < 0 ) ? -(var_1_23) : (var_1_23)))) < (var_1_24)) ? (((((var_1_23) < 0 ) ? -(var_1_23) : (var_1_23)))) : (var_1_24))))) : (var_1_21 == ((float) var_1_23)))) && (((- var_1_24) < var_1_23) ? (var_1_25 == ((signed char) (((((-10) < (var_1_26)) ? (-10) : (var_1_26))) + var_1_27))) : 1)) && ((last_1_var_1_18 || var_1_20) ? (var_1_28 == ((signed long int) (((((((((var_1_27) < 0 ) ? -(var_1_27) : (var_1_27))) - (var_1_11 + last_1_var_1_33))) > (last_1_var_1_25)) ? ((((((var_1_27) < 0 ) ? -(var_1_27) : (var_1_27))) - (var_1_11 + last_1_var_1_33))) : (last_1_var_1_25))))) : (var_1_20 ? (var_1_28 == ((signed long int) ((((last_1_var_1_33) > ((last_1_var_1_39 + last_1_var_1_25))) ? (last_1_var_1_33) : ((last_1_var_1_39 + last_1_var_1_25)))))) : 1))) && ((((var_1_31 - var_1_32) + var_1_24) != var_1_23) ? (var_1_30 == ((float) ((((var_1_23) < (var_1_24)) ? (var_1_23) : (var_1_24))))) : ((var_1_28 <= var_1_10) ? (var_1_30 == ((float) var_1_23)) : 1))) && ((var_1_28 < var_1_37) ? (var_1_33 == ((unsigned short int) (((26262 - var_1_11) + 18571) - var_1_38))) : ((! var_1_18) ? ((var_1_10 != (var_1_38 & (var_1_11 - 32))) ? (var_1_33 == ((unsigned short int) ((((((var_1_35 - var_1_11) - var_1_38)) < (var_1_38)) ? (((var_1_35 - var_1_11) - var_1_38)) : (var_1_38))))) : (var_1_33 == ((unsigned short int) (var_1_35 - var_1_38)))) : ((128u > var_1_38) ? (((var_1_38 * var_1_38) == (var_1_38 & var_1_28)) ? (var_1_33 == ((unsigned short int) var_1_11)) : (var_1_33 == ((unsigned short int) ((((((((var_1_11) > (var_1_35)) ? (var_1_11) : (var_1_35)))) < (var_1_38)) ? (((((var_1_11) > (var_1_35)) ? (var_1_11) : (var_1_35)))) : (var_1_38)))))) : (var_1_33 == ((unsigned short int) var_1_38)))))) && (var_1_37 == ((unsigned short int) var_1_11))) && (var_1_38 == ((unsigned char) var_1_11))) && (var_1_39 == ((signed char) var_1_11)) ; [L189] RET, EXPR property() [L189] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_10=-128, last_1_var_1_18=0, last_1_var_1_25=0, last_1_var_1_33=0, last_1_var_1_39=-64, var_1_10=-128, var_1_11=1, var_1_12=-1, var_1_13=-1, var_1_14=1, var_1_15=1, var_1_18=1, var_1_19=0, var_1_1=-256, var_1_20=0, var_1_21=3, var_1_23=2, var_1_24=0, var_1_25=0, var_1_26=-10, var_1_27=10, var_1_28=-128, var_1_30=2, var_1_33=44831, var_1_35=49150, var_1_37=1, var_1_38=1, var_1_39=1, var_1_7=-1, var_1_9=-1] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_10=-128, last_1_var_1_18=0, last_1_var_1_25=0, last_1_var_1_33=0, last_1_var_1_39=-64, var_1_10=-128, var_1_11=1, var_1_12=-1, var_1_13=-1, var_1_14=1, var_1_15=1, var_1_18=1, var_1_19=0, var_1_1=-256, var_1_20=0, var_1_21=3, var_1_23=2, var_1_24=0, var_1_25=0, var_1_26=-10, var_1_27=10, var_1_28=-128, var_1_30=2, var_1_33=44831, var_1_35=49150, var_1_37=1, var_1_38=1, var_1_39=1, var_1_7=-1, var_1_9=-1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 42 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.1s, OverallIterations: 1, TraceHistogramMax: 21, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=42occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 79 NumberOfCodeBlocks, 79 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 13:07:08,558 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90302cc3-2e08-42c1-a481-ebf3420cff8e/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-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90302cc3-2e08-42c1-a481-ebf3420cff8e/bin/utaipan-verify-nQ1chXbOIh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90302cc3-2e08-42c1-a481-ebf3420cff8e/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_90302cc3-2e08-42c1-a481-ebf3420cff8e/bin/utaipan-verify-nQ1chXbOIh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90302cc3-2e08-42c1-a481-ebf3420cff8e/bin/utaipan-verify-nQ1chXbOIh/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-16.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90302cc3-2e08-42c1-a481-ebf3420cff8e/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_90302cc3-2e08-42c1-a481-ebf3420cff8e/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 82fbcd39199a525399eb28d721839336007b212e1ad38780097336285e9776e8 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 13:07:10,503 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 13:07:10,575 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90302cc3-2e08-42c1-a481-ebf3420cff8e/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2023-12-02 13:07:10,581 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 13:07:10,582 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-02 13:07:10,610 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 13:07:10,610 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-02 13:07:10,611 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-02 13:07:10,612 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 13:07:10,612 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-02 13:07:10,613 INFO L153 SettingsManager]: * User list type=DISABLED [2023-12-02 13:07:10,613 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-12-02 13:07:10,614 INFO L153 SettingsManager]: * Explicit value domain=true [2023-12-02 13:07:10,614 INFO L153 SettingsManager]: * Octagon Domain=false [2023-12-02 13:07:10,615 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-12-02 13:07:10,615 INFO L153 SettingsManager]: * Interval Domain=false [2023-12-02 13:07:10,616 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 13:07:10,617 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 13:07:10,617 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 13:07:10,618 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 13:07:10,619 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 13:07:10,619 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 13:07:10,620 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 13:07:10,620 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 13:07:10,621 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-02 13:07:10,621 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-02 13:07:10,621 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-02 13:07:10,622 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 13:07:10,622 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 13:07:10,623 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 13:07:10,623 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 13:07:10,624 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-02 13:07:10,624 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-02 13:07:10,624 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-02 13:07:10,625 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 13:07:10,625 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 13:07:10,625 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 13:07:10,625 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 13:07:10,626 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-02 13:07:10,626 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 13:07:10,626 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-02 13:07:10,626 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 13:07:10,627 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-12-02 13:07:10,627 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 13:07:10,627 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_90302cc3-2e08-42c1-a481-ebf3420cff8e/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90302cc3-2e08-42c1-a481-ebf3420cff8e/bin/utaipan-verify-nQ1chXbOIh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 82fbcd39199a525399eb28d721839336007b212e1ad38780097336285e9776e8 [2023-12-02 13:07:10,932 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 13:07:10,952 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 13:07:10,955 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 13:07:10,956 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 13:07:10,957 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 13:07:10,958 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90302cc3-2e08-42c1-a481-ebf3420cff8e/bin/utaipan-verify-nQ1chXbOIh/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-16.i [2023-12-02 13:07:13,713 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 13:07:13,923 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 13:07:13,923 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90302cc3-2e08-42c1-a481-ebf3420cff8e/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-16.i [2023-12-02 13:07:13,933 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90302cc3-2e08-42c1-a481-ebf3420cff8e/bin/utaipan-verify-nQ1chXbOIh/data/60e7287f2/848f6ddcc3a54a0385b744f6bfd50405/FLAG127995c2b [2023-12-02 13:07:13,964 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90302cc3-2e08-42c1-a481-ebf3420cff8e/bin/utaipan-verify-nQ1chXbOIh/data/60e7287f2/848f6ddcc3a54a0385b744f6bfd50405 [2023-12-02 13:07:13,966 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 13:07:13,967 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 13:07:13,968 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 13:07:13,968 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 13:07:13,973 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 13:07:13,973 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 01:07:13" (1/1) ... [2023-12-02 13:07:13,974 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@60233227 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:07:13, skipping insertion in model container [2023-12-02 13:07:13,974 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 01:07:13" (1/1) ... [2023-12-02 13:07:14,010 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 13:07:14,129 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_90302cc3-2e08-42c1-a481-ebf3420cff8e/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-16.i[916,929] [2023-12-02 13:07:14,198 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 13:07:14,212 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 13:07:14,222 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_90302cc3-2e08-42c1-a481-ebf3420cff8e/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-16.i[916,929] [2023-12-02 13:07:14,259 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 13:07:14,275 INFO L206 MainTranslator]: Completed translation [2023-12-02 13:07:14,276 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:07:14 WrapperNode [2023-12-02 13:07:14,276 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 13:07:14,277 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 13:07:14,277 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 13:07:14,277 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 13:07:14,282 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:07:14" (1/1) ... [2023-12-02 13:07:14,297 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:07:14" (1/1) ... [2023-12-02 13:07:14,326 INFO L138 Inliner]: procedures = 27, calls = 34, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 177 [2023-12-02 13:07:14,326 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 13:07:14,327 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 13:07:14,327 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 13:07:14,327 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 13:07:14,336 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:07:14" (1/1) ... [2023-12-02 13:07:14,336 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:07:14" (1/1) ... [2023-12-02 13:07:14,351 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:07:14" (1/1) ... [2023-12-02 13:07:14,351 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:07:14" (1/1) ... [2023-12-02 13:07:14,366 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:07:14" (1/1) ... [2023-12-02 13:07:14,370 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:07:14" (1/1) ... [2023-12-02 13:07:14,373 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:07:14" (1/1) ... [2023-12-02 13:07:14,376 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:07:14" (1/1) ... [2023-12-02 13:07:14,381 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 13:07:14,382 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 13:07:14,383 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 13:07:14,383 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 13:07:14,384 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:07:14" (1/1) ... [2023-12-02 13:07:14,389 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 13:07:14,401 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90302cc3-2e08-42c1-a481-ebf3420cff8e/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 13:07:14,414 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90302cc3-2e08-42c1-a481-ebf3420cff8e/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-12-02 13:07:14,425 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90302cc3-2e08-42c1-a481-ebf3420cff8e/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-12-02 13:07:14,449 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 13:07:14,449 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-02 13:07:14,449 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-02 13:07:14,449 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-02 13:07:14,449 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 13:07:14,449 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 13:07:14,544 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 13:07:14,546 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 13:07:20,796 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 13:07:20,849 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 13:07:20,849 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-02 13:07:20,850 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 01:07:20 BoogieIcfgContainer [2023-12-02 13:07:20,850 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 13:07:20,852 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-02 13:07:20,853 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-02 13:07:20,856 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-02 13:07:20,856 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 01:07:13" (1/3) ... [2023-12-02 13:07:20,857 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@62d0ebdb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 01:07:20, skipping insertion in model container [2023-12-02 13:07:20,857 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:07:14" (2/3) ... [2023-12-02 13:07:20,858 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@62d0ebdb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 01:07:20, skipping insertion in model container [2023-12-02 13:07:20,858 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 01:07:20" (3/3) ... [2023-12-02 13:07:20,859 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_100-while_file-16.i [2023-12-02 13:07:20,877 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-02 13:07:20,877 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-02 13:07:20,925 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-02 13:07:20,932 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;@bf51e30, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-02 13:07:20,932 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-02 13:07:20,936 INFO L276 IsEmpty]: Start isEmpty. Operand has 70 states, 46 states have (on average 1.5) internal successors, (69), 47 states have internal predecessors, (69), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2023-12-02 13:07:20,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2023-12-02 13:07:20,952 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 13:07:20,953 INFO L195 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 13:07:20,954 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 13:07:20,958 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 13:07:20,959 INFO L85 PathProgramCache]: Analyzing trace with hash -1991059636, now seen corresponding path program 1 times [2023-12-02 13:07:20,973 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 13:07:20,973 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [507951755] [2023-12-02 13:07:20,974 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:07:20,974 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 13:07:20,974 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90302cc3-2e08-42c1-a481-ebf3420cff8e/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 13:07:20,976 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90302cc3-2e08-42c1-a481-ebf3420cff8e/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 13:07:20,977 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90302cc3-2e08-42c1-a481-ebf3420cff8e/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 13:07:21,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:07:21,349 INFO L262 TraceCheckSpWp]: Trace formula consists of 245 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 13:07:21,356 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 13:07:21,398 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 424 proven. 0 refuted. 0 times theorem prover too weak. 416 trivial. 0 not checked. [2023-12-02 13:07:21,398 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 13:07:21,399 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 13:07:21,399 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [507951755] [2023-12-02 13:07:21,400 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [507951755] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 13:07:21,400 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 13:07:21,400 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-02 13:07:21,402 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [687327077] [2023-12-02 13:07:21,403 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 13:07:21,420 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-12-02 13:07:21,427 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 13:07:21,476 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-12-02 13:07:21,477 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-02 13:07:21,482 INFO L87 Difference]: Start difference. First operand has 70 states, 46 states have (on average 1.5) internal successors, (69), 47 states have internal predecessors, (69), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) Second operand has 2 states, 2 states have (on average 20.5) internal successors, (41), 2 states have internal predecessors, (41), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2023-12-02 13:07:23,677 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.16s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 13:07:23,678 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 13:07:23,678 INFO L93 Difference]: Finished difference Result 137 states and 241 transitions. [2023-12-02 13:07:23,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 13:07:23,705 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 20.5) internal successors, (41), 2 states have internal predecessors, (41), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 139 [2023-12-02 13:07:23,705 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 13:07:23,711 INFO L225 Difference]: With dead ends: 137 [2023-12-02 13:07:23,711 INFO L226 Difference]: Without dead ends: 68 [2023-12-02 13:07:23,713 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 138 GetRequests, 138 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 13:07:23,717 INFO L413 NwaCegarLoop]: 103 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 103 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2023-12-02 13:07:23,718 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 103 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 1 Unknown, 0 Unchecked, 2.2s Time] [2023-12-02 13:07:23,734 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states. [2023-12-02 13:07:23,757 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 68. [2023-12-02 13:07:23,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 68 states, 45 states have (on average 1.4222222222222223) internal successors, (64), 45 states have internal predecessors, (64), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2023-12-02 13:07:23,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 106 transitions. [2023-12-02 13:07:23,761 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 106 transitions. Word has length 139 [2023-12-02 13:07:23,761 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 13:07:23,761 INFO L495 AbstractCegarLoop]: Abstraction has 68 states and 106 transitions. [2023-12-02 13:07:23,762 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 20.5) internal successors, (41), 2 states have internal predecessors, (41), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2023-12-02 13:07:23,762 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 106 transitions. [2023-12-02 13:07:23,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2023-12-02 13:07:23,766 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 13:07:23,766 INFO L195 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 13:07:23,774 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90302cc3-2e08-42c1-a481-ebf3420cff8e/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 13:07:23,966 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90302cc3-2e08-42c1-a481-ebf3420cff8e/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 13:07:23,967 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 13:07:23,967 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 13:07:23,968 INFO L85 PathProgramCache]: Analyzing trace with hash -700443306, now seen corresponding path program 1 times [2023-12-02 13:07:23,968 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 13:07:23,969 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [41240476] [2023-12-02 13:07:23,969 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:07:23,969 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 13:07:23,969 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90302cc3-2e08-42c1-a481-ebf3420cff8e/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 13:07:23,970 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90302cc3-2e08-42c1-a481-ebf3420cff8e/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 13:07:23,971 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90302cc3-2e08-42c1-a481-ebf3420cff8e/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 13:07:24,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:07:24,293 INFO L262 TraceCheckSpWp]: Trace formula consists of 245 conjuncts, 7 conjunts are in the unsatisfiable core [2023-12-02 13:07:24,306 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 13:07:25,387 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 440 proven. 30 refuted. 0 times theorem prover too weak. 370 trivial. 0 not checked. [2023-12-02 13:07:25,387 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 13:07:25,888 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 30 proven. 30 refuted. 0 times theorem prover too weak. 780 trivial. 0 not checked. [2023-12-02 13:07:25,888 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 13:07:25,888 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [41240476] [2023-12-02 13:07:25,888 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [41240476] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 13:07:25,889 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1149649367] [2023-12-02 13:07:25,889 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:07:25,889 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 13:07:25,889 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90302cc3-2e08-42c1-a481-ebf3420cff8e/bin/utaipan-verify-nQ1chXbOIh/cvc4 [2023-12-02 13:07:25,917 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90302cc3-2e08-42c1-a481-ebf3420cff8e/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 13:07:25,919 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90302cc3-2e08-42c1-a481-ebf3420cff8e/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-12-02 13:07:26,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:07:26,825 INFO L262 TraceCheckSpWp]: Trace formula consists of 245 conjuncts, 7 conjunts are in the unsatisfiable core [2023-12-02 13:07:26,832 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 13:07:27,395 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2023-12-02 13:07:27,395 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 13:07:27,395 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1149649367] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 13:07:27,396 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2023-12-02 13:07:27,396 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [7, 8] total 12 [2023-12-02 13:07:27,397 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1522545489] [2023-12-02 13:07:27,397 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 13:07:27,398 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-12-02 13:07:27,398 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 13:07:27,399 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-12-02 13:07:27,399 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=99, Unknown=0, NotChecked=0, Total=132 [2023-12-02 13:07:27,400 INFO L87 Difference]: Start difference. First operand 68 states and 106 transitions. Second operand has 6 states, 6 states have (on average 6.166666666666667) internal successors, (37), 5 states have internal predecessors, (37), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2023-12-02 13:07:29,814 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 13:07:31,816 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 13:07:33,398 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.53s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 13:07:35,197 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.39s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 13:07:35,387 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 13:07:35,387 INFO L93 Difference]: Finished difference Result 352 states and 551 transitions. [2023-12-02 13:07:35,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-12-02 13:07:35,388 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.166666666666667) internal successors, (37), 5 states have internal predecessors, (37), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) Word has length 139 [2023-12-02 13:07:35,389 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 13:07:35,393 INFO L225 Difference]: With dead ends: 352 [2023-12-02 13:07:35,393 INFO L226 Difference]: Without dead ends: 285 [2023-12-02 13:07:35,395 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 423 GetRequests, 403 SyntacticMatches, 1 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 68 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=90, Invalid=330, Unknown=0, NotChecked=0, Total=420 [2023-12-02 13:07:35,396 INFO L413 NwaCegarLoop]: 122 mSDtfsCounter, 431 mSDsluCounter, 534 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 71 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 431 SdHoareTripleChecker+Valid, 656 SdHoareTripleChecker+Invalid, 122 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 71 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.6s IncrementalHoareTripleChecker+Time [2023-12-02 13:07:35,397 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [431 Valid, 656 Invalid, 122 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [71 Valid, 49 Invalid, 2 Unknown, 0 Unchecked, 7.6s Time] [2023-12-02 13:07:35,399 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 285 states. [2023-12-02 13:07:35,434 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 285 to 165. [2023-12-02 13:07:35,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 165 states, 110 states have (on average 1.4) internal successors, (154), 111 states have internal predecessors, (154), 51 states have call successors, (51), 3 states have call predecessors, (51), 3 states have return successors, (51), 50 states have call predecessors, (51), 51 states have call successors, (51) [2023-12-02 13:07:35,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 165 states and 256 transitions. [2023-12-02 13:07:35,438 INFO L78 Accepts]: Start accepts. Automaton has 165 states and 256 transitions. Word has length 139 [2023-12-02 13:07:35,439 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 13:07:35,439 INFO L495 AbstractCegarLoop]: Abstraction has 165 states and 256 transitions. [2023-12-02 13:07:35,439 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.166666666666667) internal successors, (37), 5 states have internal predecessors, (37), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2023-12-02 13:07:35,440 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 256 transitions. [2023-12-02 13:07:35,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2023-12-02 13:07:35,443 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 13:07:35,443 INFO L195 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 13:07:35,452 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90302cc3-2e08-42c1-a481-ebf3420cff8e/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 13:07:35,650 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90302cc3-2e08-42c1-a481-ebf3420cff8e/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (4)] Forceful destruction successful, exit code 0 [2023-12-02 13:07:35,845 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90302cc3-2e08-42c1-a481-ebf3420cff8e/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 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90302cc3-2e08-42c1-a481-ebf3420cff8e/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt [2023-12-02 13:07:35,845 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 13:07:35,845 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 13:07:35,846 INFO L85 PathProgramCache]: Analyzing trace with hash -1721511660, now seen corresponding path program 1 times [2023-12-02 13:07:35,846 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 13:07:35,846 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2020000783] [2023-12-02 13:07:35,847 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:07:35,847 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 13:07:35,847 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90302cc3-2e08-42c1-a481-ebf3420cff8e/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 13:07:35,848 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90302cc3-2e08-42c1-a481-ebf3420cff8e/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 13:07:35,849 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90302cc3-2e08-42c1-a481-ebf3420cff8e/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 13:07:36,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:07:36,141 INFO L262 TraceCheckSpWp]: Trace formula consists of 244 conjuncts, 7 conjunts are in the unsatisfiable core [2023-12-02 13:07:36,145 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 13:07:37,031 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 440 proven. 30 refuted. 0 times theorem prover too weak. 370 trivial. 0 not checked. [2023-12-02 13:07:37,031 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 13:07:37,503 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 30 proven. 30 refuted. 0 times theorem prover too weak. 780 trivial. 0 not checked. [2023-12-02 13:07:37,503 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 13:07:37,503 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2020000783] [2023-12-02 13:07:37,503 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2020000783] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 13:07:37,503 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [442492562] [2023-12-02 13:07:37,504 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:07:37,504 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 13:07:37,504 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90302cc3-2e08-42c1-a481-ebf3420cff8e/bin/utaipan-verify-nQ1chXbOIh/cvc4 [2023-12-02 13:07:37,505 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90302cc3-2e08-42c1-a481-ebf3420cff8e/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 13:07:37,506 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90302cc3-2e08-42c1-a481-ebf3420cff8e/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2023-12-02 13:07:38,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:07:38,353 INFO L262 TraceCheckSpWp]: Trace formula consists of 244 conjuncts, 6 conjunts are in the unsatisfiable core [2023-12-02 13:07:38,358 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 13:07:38,844 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 168 proven. 54 refuted. 0 times theorem prover too weak. 618 trivial. 0 not checked. [2023-12-02 13:07:38,844 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 13:07:38,980 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2023-12-02 13:07:38,981 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [442492562] provided 1 perfect and 1 imperfect interpolant sequences [2023-12-02 13:07:38,981 INFO L185 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2023-12-02 13:07:38,981 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [7, 8, 6] total 15 [2023-12-02 13:07:38,981 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [809157076] [2023-12-02 13:07:38,981 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 13:07:38,982 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-02 13:07:38,982 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 13:07:38,983 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-02 13:07:38,983 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=165, Unknown=0, NotChecked=0, Total=210 [2023-12-02 13:07:38,983 INFO L87 Difference]: Start difference. First operand 165 states and 256 transitions. Second operand has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2023-12-02 13:07:41,161 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 13:07:41,169 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 13:07:41,169 INFO L93 Difference]: Finished difference Result 341 states and 520 transitions. [2023-12-02 13:07:41,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 13:07:41,194 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) Word has length 139 [2023-12-02 13:07:41,195 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 13:07:41,197 INFO L225 Difference]: With dead ends: 341 [2023-12-02 13:07:41,197 INFO L226 Difference]: Without dead ends: 177 [2023-12-02 13:07:41,199 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 552 GetRequests, 538 SyntacticMatches, 1 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=45, Invalid=165, Unknown=0, NotChecked=0, Total=210 [2023-12-02 13:07:41,200 INFO L413 NwaCegarLoop]: 89 mSDtfsCounter, 42 mSDsluCounter, 56 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 42 SdHoareTripleChecker+Valid, 145 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2023-12-02 13:07:41,200 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [42 Valid, 145 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 19 Invalid, 1 Unknown, 0 Unchecked, 2.2s Time] [2023-12-02 13:07:41,201 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 177 states. [2023-12-02 13:07:41,224 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 177 to 177. [2023-12-02 13:07:41,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 177 states, 119 states have (on average 1.3445378151260505) internal successors, (160), 120 states have internal predecessors, (160), 51 states have call successors, (51), 6 states have call predecessors, (51), 6 states have return successors, (51), 50 states have call predecessors, (51), 51 states have call successors, (51) [2023-12-02 13:07:41,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 177 states and 262 transitions. [2023-12-02 13:07:41,228 INFO L78 Accepts]: Start accepts. Automaton has 177 states and 262 transitions. Word has length 139 [2023-12-02 13:07:41,229 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 13:07:41,229 INFO L495 AbstractCegarLoop]: Abstraction has 177 states and 262 transitions. [2023-12-02 13:07:41,229 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2023-12-02 13:07:41,229 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 262 transitions. [2023-12-02 13:07:41,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2023-12-02 13:07:41,233 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 13:07:41,233 INFO L195 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 13:07:41,240 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90302cc3-2e08-42c1-a481-ebf3420cff8e/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2023-12-02 13:07:41,447 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90302cc3-2e08-42c1-a481-ebf3420cff8e/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)] Forceful destruction successful, exit code 0 [2023-12-02 13:07:41,640 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90302cc3-2e08-42c1-a481-ebf3420cff8e/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90302cc3-2e08-42c1-a481-ebf3420cff8e/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 13:07:41,641 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 13:07:41,641 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 13:07:41,641 INFO L85 PathProgramCache]: Analyzing trace with hash -1979677098, now seen corresponding path program 1 times [2023-12-02 13:07:41,642 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 13:07:41,642 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1957733530] [2023-12-02 13:07:41,642 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:07:41,642 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 13:07:41,642 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90302cc3-2e08-42c1-a481-ebf3420cff8e/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 13:07:41,643 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90302cc3-2e08-42c1-a481-ebf3420cff8e/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 13:07:41,644 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90302cc3-2e08-42c1-a481-ebf3420cff8e/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 13:07:41,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:07:41,911 INFO L262 TraceCheckSpWp]: Trace formula consists of 244 conjuncts, 7 conjunts are in the unsatisfiable core [2023-12-02 13:07:41,914 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 13:07:42,643 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 440 proven. 30 refuted. 0 times theorem prover too weak. 370 trivial. 0 not checked. [2023-12-02 13:07:42,644 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 13:07:43,010 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 30 proven. 30 refuted. 0 times theorem prover too weak. 780 trivial. 0 not checked. [2023-12-02 13:07:43,011 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 13:07:43,011 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1957733530] [2023-12-02 13:07:43,011 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1957733530] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 13:07:43,011 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1848285767] [2023-12-02 13:07:43,011 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:07:43,011 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 13:07:43,011 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90302cc3-2e08-42c1-a481-ebf3420cff8e/bin/utaipan-verify-nQ1chXbOIh/cvc4 [2023-12-02 13:07:43,013 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90302cc3-2e08-42c1-a481-ebf3420cff8e/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 13:07:43,013 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90302cc3-2e08-42c1-a481-ebf3420cff8e/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2023-12-02 13:07:43,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:07:43,854 INFO L262 TraceCheckSpWp]: Trace formula consists of 244 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-02 13:07:43,857 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 13:07:44,501 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 440 proven. 30 refuted. 0 times theorem prover too weak. 370 trivial. 0 not checked. [2023-12-02 13:07:44,501 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 13:07:44,841 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 30 proven. 30 refuted. 0 times theorem prover too weak. 780 trivial. 0 not checked. [2023-12-02 13:07:44,841 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1848285767] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 13:07:44,841 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1731870232] [2023-12-02 13:07:44,841 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:07:44,841 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 13:07:44,842 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90302cc3-2e08-42c1-a481-ebf3420cff8e/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 13:07:44,844 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90302cc3-2e08-42c1-a481-ebf3420cff8e/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 13:07:44,845 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90302cc3-2e08-42c1-a481-ebf3420cff8e/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2023-12-02 13:07:45,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:07:45,103 INFO L262 TraceCheckSpWp]: Trace formula consists of 244 conjuncts, 7 conjunts are in the unsatisfiable core [2023-12-02 13:07:45,106 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 13:07:45,716 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 440 proven. 30 refuted. 0 times theorem prover too weak. 370 trivial. 0 not checked. [2023-12-02 13:07:45,716 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 13:07:46,050 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 30 proven. 30 refuted. 0 times theorem prover too weak. 780 trivial. 0 not checked. [2023-12-02 13:07:46,051 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1731870232] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 13:07:46,051 INFO L185 FreeRefinementEngine]: Found 0 perfect and 6 imperfect interpolant sequences. [2023-12-02 13:07:46,051 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 8, 7, 8, 7, 8] total 10 [2023-12-02 13:07:46,051 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1316068519] [2023-12-02 13:07:46,051 INFO L85 oduleStraightlineAll]: Using 6 imperfect interpolants to construct interpolant automaton [2023-12-02 13:07:46,052 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-12-02 13:07:46,052 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 13:07:46,053 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-12-02 13:07:46,053 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2023-12-02 13:07:46,054 INFO L87 Difference]: Start difference. First operand 177 states and 262 transitions. Second operand has 10 states, 10 states have (on average 4.9) internal successors, (49), 10 states have internal predecessors, (49), 2 states have call successors, (42), 3 states have call predecessors, (42), 5 states have return successors, (42), 2 states have call predecessors, (42), 2 states have call successors, (42) [2023-12-02 13:07:48,689 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.95s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 13:07:51,631 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 13:07:52,918 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 13:07:52,918 INFO L93 Difference]: Finished difference Result 440 states and 655 transitions. [2023-12-02 13:07:52,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-12-02 13:07:52,919 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 4.9) internal successors, (49), 10 states have internal predecessors, (49), 2 states have call successors, (42), 3 states have call predecessors, (42), 5 states have return successors, (42), 2 states have call predecessors, (42), 2 states have call successors, (42) Word has length 139 [2023-12-02 13:07:52,920 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 13:07:52,922 INFO L225 Difference]: With dead ends: 440 [2023-12-02 13:07:52,922 INFO L226 Difference]: Without dead ends: 264 [2023-12-02 13:07:52,923 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 842 GetRequests, 819 SyntacticMatches, 3 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 97 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=142, Invalid=320, Unknown=0, NotChecked=0, Total=462 [2023-12-02 13:07:52,925 INFO L413 NwaCegarLoop]: 101 mSDtfsCounter, 284 mSDsluCounter, 572 mSDsCounter, 0 mSdLazyCounter, 416 mSolverCounterSat, 127 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 303 SdHoareTripleChecker+Valid, 673 SdHoareTripleChecker+Invalid, 544 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 127 IncrementalHoareTripleChecker+Valid, 416 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.6s IncrementalHoareTripleChecker+Time [2023-12-02 13:07:52,925 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [303 Valid, 673 Invalid, 544 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [127 Valid, 416 Invalid, 1 Unknown, 0 Unchecked, 6.6s Time] [2023-12-02 13:07:52,926 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 264 states. [2023-12-02 13:07:52,950 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 264 to 188. [2023-12-02 13:07:52,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 188 states, 130 states have (on average 1.3615384615384616) internal successors, (177), 131 states have internal predecessors, (177), 51 states have call successors, (51), 6 states have call predecessors, (51), 6 states have return successors, (51), 50 states have call predecessors, (51), 51 states have call successors, (51) [2023-12-02 13:07:52,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 188 states and 279 transitions. [2023-12-02 13:07:52,953 INFO L78 Accepts]: Start accepts. Automaton has 188 states and 279 transitions. Word has length 139 [2023-12-02 13:07:52,954 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 13:07:52,954 INFO L495 AbstractCegarLoop]: Abstraction has 188 states and 279 transitions. [2023-12-02 13:07:52,954 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 4.9) internal successors, (49), 10 states have internal predecessors, (49), 2 states have call successors, (42), 3 states have call predecessors, (42), 5 states have return successors, (42), 2 states have call predecessors, (42), 2 states have call successors, (42) [2023-12-02 13:07:52,954 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 279 transitions. [2023-12-02 13:07:52,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2023-12-02 13:07:52,956 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 13:07:52,956 INFO L195 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 13:07:52,964 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90302cc3-2e08-42c1-a481-ebf3420cff8e/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)] Forceful destruction successful, exit code 0 [2023-12-02 13:07:53,172 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90302cc3-2e08-42c1-a481-ebf3420cff8e/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2023-12-02 13:07:53,362 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90302cc3-2e08-42c1-a481-ebf3420cff8e/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (8)] Ended with exit code 0 [2023-12-02 13:07:53,557 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90302cc3-2e08-42c1-a481-ebf3420cff8e/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=3,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90302cc3-2e08-42c1-a481-ebf3420cff8e/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90302cc3-2e08-42c1-a481-ebf3420cff8e/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt [2023-12-02 13:07:53,558 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 13:07:53,558 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 13:07:53,558 INFO L85 PathProgramCache]: Analyzing trace with hash 6616435, now seen corresponding path program 1 times [2023-12-02 13:07:53,559 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 13:07:53,559 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1893578890] [2023-12-02 13:07:53,559 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:07:53,559 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 13:07:53,559 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90302cc3-2e08-42c1-a481-ebf3420cff8e/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 13:07:53,560 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90302cc3-2e08-42c1-a481-ebf3420cff8e/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 13:07:53,561 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90302cc3-2e08-42c1-a481-ebf3420cff8e/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 13:07:53,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:07:53,850 INFO L262 TraceCheckSpWp]: Trace formula consists of 246 conjuncts, 7 conjunts are in the unsatisfiable core [2023-12-02 13:07:53,853 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 13:07:55,024 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 168 proven. 54 refuted. 0 times theorem prover too weak. 618 trivial. 0 not checked. [2023-12-02 13:07:55,024 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 13:07:59,195 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 13:07:59,196 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1893578890] [2023-12-02 13:07:59,196 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1893578890] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 13:07:59,196 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [898304635] [2023-12-02 13:07:59,196 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:07:59,196 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 13:07:59,196 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90302cc3-2e08-42c1-a481-ebf3420cff8e/bin/utaipan-verify-nQ1chXbOIh/cvc4 [2023-12-02 13:07:59,197 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90302cc3-2e08-42c1-a481-ebf3420cff8e/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 13:07:59,198 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90302cc3-2e08-42c1-a481-ebf3420cff8e/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2023-12-02 13:07:59,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:07:59,987 INFO L262 TraceCheckSpWp]: Trace formula consists of 246 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-02 13:07:59,990 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 13:08:01,079 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 168 proven. 54 refuted. 0 times theorem prover too weak. 618 trivial. 0 not checked. [2023-12-02 13:08:01,079 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 13:08:01,617 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [898304635] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 13:08:01,617 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1583630663] [2023-12-02 13:08:01,617 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:08:01,617 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 13:08:01,617 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90302cc3-2e08-42c1-a481-ebf3420cff8e/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 13:08:01,618 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90302cc3-2e08-42c1-a481-ebf3420cff8e/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 13:08:01,619 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90302cc3-2e08-42c1-a481-ebf3420cff8e/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2023-12-02 13:08:01,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:08:01,875 INFO L262 TraceCheckSpWp]: Trace formula consists of 246 conjuncts, 9 conjunts are in the unsatisfiable core [2023-12-02 13:08:01,878 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 13:08:03,198 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 168 proven. 54 refuted. 0 times theorem prover too weak. 618 trivial. 0 not checked. [2023-12-02 13:08:03,198 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 13:08:23,365 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1583630663] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 13:08:23,365 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-12-02 13:08:23,365 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 8] total 10 [2023-12-02 13:08:23,366 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [203023976] [2023-12-02 13:08:23,366 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-12-02 13:08:23,366 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-12-02 13:08:23,366 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 13:08:23,367 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-12-02 13:08:23,367 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=262, Unknown=2, NotChecked=0, Total=342 [2023-12-02 13:08:23,367 INFO L87 Difference]: Start difference. First operand 188 states and 279 transitions. Second operand has 11 states, 11 states have (on average 5.0) internal successors, (55), 10 states have internal predecessors, (55), 2 states have call successors, (21), 2 states have call predecessors, (21), 3 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2023-12-02 13:08:26,996 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-02 13:08:31,099 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.10s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-02 13:08:31,187 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 13:08:31,187 INFO L93 Difference]: Finished difference Result 631 states and 913 transitions. [2023-12-02 13:08:31,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-12-02 13:08:31,188 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 5.0) internal successors, (55), 10 states have internal predecessors, (55), 2 states have call successors, (21), 2 states have call predecessors, (21), 3 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 140 [2023-12-02 13:08:31,188 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 13:08:31,191 INFO L225 Difference]: With dead ends: 631 [2023-12-02 13:08:31,192 INFO L226 Difference]: Without dead ends: 444 [2023-12-02 13:08:31,193 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 602 GetRequests, 569 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 219 ImplicationChecksByTransitivity, 23.0s TimeCoverageRelationStatistics Valid=341, Invalid=847, Unknown=2, NotChecked=0, Total=1190 [2023-12-02 13:08:31,193 INFO L413 NwaCegarLoop]: 106 mSDtfsCounter, 134 mSDsluCounter, 394 mSDsCounter, 0 mSdLazyCounter, 667 mSolverCounterSat, 96 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 136 SdHoareTripleChecker+Valid, 500 SdHoareTripleChecker+Invalid, 763 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 96 IncrementalHoareTripleChecker+Valid, 667 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.4s IncrementalHoareTripleChecker+Time [2023-12-02 13:08:31,193 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [136 Valid, 500 Invalid, 763 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [96 Valid, 667 Invalid, 0 Unknown, 0 Unchecked, 5.4s Time] [2023-12-02 13:08:31,194 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 444 states. [2023-12-02 13:08:31,247 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 444 to 417. [2023-12-02 13:08:31,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 417 states, 274 states have (on average 1.2664233576642336) internal successors, (347), 277 states have internal predecessors, (347), 123 states have call successors, (123), 19 states have call predecessors, (123), 19 states have return successors, (123), 120 states have call predecessors, (123), 123 states have call successors, (123) [2023-12-02 13:08:31,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 417 states to 417 states and 593 transitions. [2023-12-02 13:08:31,251 INFO L78 Accepts]: Start accepts. Automaton has 417 states and 593 transitions. Word has length 140 [2023-12-02 13:08:31,252 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 13:08:31,252 INFO L495 AbstractCegarLoop]: Abstraction has 417 states and 593 transitions. [2023-12-02 13:08:31,252 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 5.0) internal successors, (55), 10 states have internal predecessors, (55), 2 states have call successors, (21), 2 states have call predecessors, (21), 3 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2023-12-02 13:08:31,252 INFO L276 IsEmpty]: Start isEmpty. Operand 417 states and 593 transitions. [2023-12-02 13:08:31,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2023-12-02 13:08:31,254 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 13:08:31,255 INFO L195 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 13:08:31,262 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90302cc3-2e08-42c1-a481-ebf3420cff8e/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (11)] Ended with exit code 0 [2023-12-02 13:08:31,462 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90302cc3-2e08-42c1-a481-ebf3420cff8e/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)] Ended with exit code 0 [2023-12-02 13:08:31,671 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90302cc3-2e08-42c1-a481-ebf3420cff8e/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2023-12-02 13:08:31,855 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90302cc3-2e08-42c1-a481-ebf3420cff8e/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt,10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90302cc3-2e08-42c1-a481-ebf3420cff8e/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=3,12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90302cc3-2e08-42c1-a481-ebf3420cff8e/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 13:08:31,856 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 13:08:31,856 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 13:08:31,856 INFO L85 PathProgramCache]: Analyzing trace with hash -1768390927, now seen corresponding path program 1 times [2023-12-02 13:08:31,856 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 13:08:31,857 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1139897071] [2023-12-02 13:08:31,857 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:08:31,857 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 13:08:31,857 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90302cc3-2e08-42c1-a481-ebf3420cff8e/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 13:08:31,857 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90302cc3-2e08-42c1-a481-ebf3420cff8e/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 13:08:31,858 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90302cc3-2e08-42c1-a481-ebf3420cff8e/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 (13)] Waiting until timeout for monitored process [2023-12-02 13:08:32,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:08:32,138 INFO L262 TraceCheckSpWp]: Trace formula consists of 246 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-02 13:08:32,144 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 13:08:32,254 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2023-12-02 13:08:32,254 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 13:08:32,254 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 13:08:32,254 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1139897071] [2023-12-02 13:08:32,254 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1139897071] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 13:08:32,254 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 13:08:32,255 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-02 13:08:32,255 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1354757154] [2023-12-02 13:08:32,255 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 13:08:32,255 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-02 13:08:32,255 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 13:08:32,256 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-02 13:08:32,256 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-02 13:08:32,256 INFO L87 Difference]: Start difference. First operand 417 states and 593 transitions. Second operand has 5 states, 5 states have (on average 7.6) internal successors, (38), 5 states have internal predecessors, (38), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2023-12-02 13:08:34,487 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-02 13:08:36,491 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-02 13:08:39,096 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 13:08:40,987 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.89s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-02 13:08:41,068 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 13:08:41,069 INFO L93 Difference]: Finished difference Result 996 states and 1434 transitions. [2023-12-02 13:08:41,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-02 13:08:41,069 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.6) internal successors, (38), 5 states have internal predecessors, (38), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) Word has length 140 [2023-12-02 13:08:41,070 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 13:08:41,075 INFO L225 Difference]: With dead ends: 996 [2023-12-02 13:08:41,075 INFO L226 Difference]: Without dead ends: 629 [2023-12-02 13:08:41,076 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 142 GetRequests, 137 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2023-12-02 13:08:41,077 INFO L413 NwaCegarLoop]: 160 mSDtfsCounter, 156 mSDsluCounter, 246 mSDsCounter, 0 mSdLazyCounter, 105 mSolverCounterSat, 9 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 156 SdHoareTripleChecker+Valid, 406 SdHoareTripleChecker+Invalid, 117 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 105 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.7s IncrementalHoareTripleChecker+Time [2023-12-02 13:08:41,077 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [156 Valid, 406 Invalid, 117 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 105 Invalid, 3 Unknown, 0 Unchecked, 8.7s Time] [2023-12-02 13:08:41,078 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 629 states. [2023-12-02 13:08:41,136 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 629 to 432. [2023-12-02 13:08:41,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 432 states, 289 states have (on average 1.2525951557093427) internal successors, (362), 292 states have internal predecessors, (362), 123 states have call successors, (123), 19 states have call predecessors, (123), 19 states have return successors, (123), 120 states have call predecessors, (123), 123 states have call successors, (123) [2023-12-02 13:08:41,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 432 states to 432 states and 608 transitions. [2023-12-02 13:08:41,140 INFO L78 Accepts]: Start accepts. Automaton has 432 states and 608 transitions. Word has length 140 [2023-12-02 13:08:41,141 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 13:08:41,141 INFO L495 AbstractCegarLoop]: Abstraction has 432 states and 608 transitions. [2023-12-02 13:08:41,141 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.6) internal successors, (38), 5 states have internal predecessors, (38), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2023-12-02 13:08:41,141 INFO L276 IsEmpty]: Start isEmpty. Operand 432 states and 608 transitions. [2023-12-02 13:08:41,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2023-12-02 13:08:41,146 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 13:08:41,146 INFO L195 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 13:08:41,154 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90302cc3-2e08-42c1-a481-ebf3420cff8e/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 (13)] Forceful destruction successful, exit code 0 [2023-12-02 13:08:41,348 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90302cc3-2e08-42c1-a481-ebf3420cff8e/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 13:08:41,349 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 13:08:41,349 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 13:08:41,349 INFO L85 PathProgramCache]: Analyzing trace with hash -1766543885, now seen corresponding path program 1 times [2023-12-02 13:08:41,349 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 13:08:41,349 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [206923479] [2023-12-02 13:08:41,349 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:08:41,350 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 13:08:41,350 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90302cc3-2e08-42c1-a481-ebf3420cff8e/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 13:08:41,350 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90302cc3-2e08-42c1-a481-ebf3420cff8e/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 13:08:41,351 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90302cc3-2e08-42c1-a481-ebf3420cff8e/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 (14)] Waiting until timeout for monitored process [2023-12-02 13:08:41,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:08:41,636 INFO L262 TraceCheckSpWp]: Trace formula consists of 245 conjuncts, 40 conjunts are in the unsatisfiable core [2023-12-02 13:08:41,642 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 13:10:48,036 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse8 (fp.lt c_~var_1_23~0 c_~var_1_24~0)) (.cse1 ((_ to_fp 8 24) c_currentRoundingMode (/ 1.0 100000000000000000000.0)))) (let ((.cse0 ((_ to_fp 8 24) c_currentRoundingMode 9223372036854765600.0)) (.cse2 (fp.neg .cse1)) (.cse7 (not .cse8))) (and (not (fp.eq (fp.add c_currentRoundingMode (fp.sub c_currentRoundingMode c_~var_1_31~0 c_~var_1_32~0) ((_ to_fp 11 53) c_currentRoundingMode c_~var_1_24~0)) ((_ to_fp 11 53) c_currentRoundingMode c_~var_1_23~0))) (or (and (fp.leq c_~var_1_23~0 .cse0) (fp.geq c_~var_1_23~0 .cse1)) (fp.leq c_~var_1_23~0 .cse2)) (= c_~last_1_var_1_18~0 (_ bv0 8)) (bvsle ((_ zero_extend 24) c_~var_1_20~0) (_ bv0 32)) (bvsge ((_ sign_extend 24) c_~var_1_11~0) (_ bv0 32)) (= (bvadd (_ bv128 32) c_~var_1_28~0) (_ bv0 32)) (let ((.cse3 (= c_~var_1_19~0 (_ bv0 8)))) (or (and (= c_~var_1_18~0 (_ bv0 8)) (not .cse3)) (and .cse3 (= (_ bv1 8) c_~var_1_18~0)))) (let ((.cse5 ((_ sign_extend 24) c_~var_1_26~0))) (let ((.cse6 (bvslt (_ bv4294967286 32) .cse5)) (.cse4 ((_ sign_extend 24) c_~var_1_27~0))) (or (and (= c_~var_1_25~0 ((_ extract 7 0) (bvadd .cse4 .cse5))) (not .cse6)) (and .cse6 (= c_~var_1_25~0 ((_ extract 7 0) (bvadd (_ bv4294967286 32) .cse4))))))) (= c_~var_1_39~0 c_~var_1_11~0) (= c_~var_1_12~0 c_~var_1_9~0) (or (and (fp.leq c_~var_1_24~0 .cse0) (fp.geq c_~var_1_24~0 .cse1)) (fp.leq c_~var_1_24~0 .cse2)) (or (and .cse7 (= c_~var_1_30~0 c_~var_1_24~0)) (and .cse8 (= c_~var_1_30~0 c_~var_1_23~0))) (= c_~var_1_7~0 c_~var_1_9~0) (= (_ bv1 8) c_~var_1_14~0) (or (and .cse7 (= c_~var_1_21~0 c_~var_1_24~0)) (and .cse8 (let ((.cse9 (fp.lt c_~var_1_23~0 ((_ to_fp 8 24) c_currentRoundingMode (_ bv0 32))))) (or (and (not .cse9) (= c_~var_1_21~0 c_~var_1_23~0)) (and .cse9 (= (fp.neg c_~var_1_23~0) c_~var_1_21~0)))))) (= c_~var_1_37~0 ((_ sign_extend 8) c_~var_1_11~0)) (= c_~last_1_var_1_10~0 (_ bv128 8)) (fp.lt (fp.neg c_~var_1_24~0) c_~var_1_23~0) (= c_~var_1_10~0 (_ bv128 8)) (= (bvsdiv ((_ sign_extend 24) c_~var_1_7~0) c_~var_1_13~0) ((_ sign_extend 24) c_~var_1_25~0)) (= c_~var_1_38~0 c_~var_1_11~0) (= c_currentRoundingMode roundNearestTiesToEven)))) is different from false [2023-12-02 13:10:50,071 WARN L876 $PredicateComparison]: unable to prove that (let ((.cse8 (fp.lt c_~var_1_23~0 c_~var_1_24~0)) (.cse1 ((_ to_fp 8 24) c_currentRoundingMode (/ 1.0 100000000000000000000.0)))) (let ((.cse0 ((_ to_fp 8 24) c_currentRoundingMode 9223372036854765600.0)) (.cse2 (fp.neg .cse1)) (.cse7 (not .cse8))) (and (not (fp.eq (fp.add c_currentRoundingMode (fp.sub c_currentRoundingMode c_~var_1_31~0 c_~var_1_32~0) ((_ to_fp 11 53) c_currentRoundingMode c_~var_1_24~0)) ((_ to_fp 11 53) c_currentRoundingMode c_~var_1_23~0))) (or (and (fp.leq c_~var_1_23~0 .cse0) (fp.geq c_~var_1_23~0 .cse1)) (fp.leq c_~var_1_23~0 .cse2)) (= c_~last_1_var_1_18~0 (_ bv0 8)) (bvsle ((_ zero_extend 24) c_~var_1_20~0) (_ bv0 32)) (bvsge ((_ sign_extend 24) c_~var_1_11~0) (_ bv0 32)) (= (bvadd (_ bv128 32) c_~var_1_28~0) (_ bv0 32)) (let ((.cse3 (= c_~var_1_19~0 (_ bv0 8)))) (or (and (= c_~var_1_18~0 (_ bv0 8)) (not .cse3)) (and .cse3 (= (_ bv1 8) c_~var_1_18~0)))) (let ((.cse5 ((_ sign_extend 24) c_~var_1_26~0))) (let ((.cse6 (bvslt (_ bv4294967286 32) .cse5)) (.cse4 ((_ sign_extend 24) c_~var_1_27~0))) (or (and (= c_~var_1_25~0 ((_ extract 7 0) (bvadd .cse4 .cse5))) (not .cse6)) (and .cse6 (= c_~var_1_25~0 ((_ extract 7 0) (bvadd (_ bv4294967286 32) .cse4))))))) (= c_~var_1_39~0 c_~var_1_11~0) (= c_~var_1_12~0 c_~var_1_9~0) (or (and (fp.leq c_~var_1_24~0 .cse0) (fp.geq c_~var_1_24~0 .cse1)) (fp.leq c_~var_1_24~0 .cse2)) (or (and .cse7 (= c_~var_1_30~0 c_~var_1_24~0)) (and .cse8 (= c_~var_1_30~0 c_~var_1_23~0))) (= c_~var_1_7~0 c_~var_1_9~0) (= (_ bv1 8) c_~var_1_14~0) (or (and .cse7 (= c_~var_1_21~0 c_~var_1_24~0)) (and .cse8 (let ((.cse9 (fp.lt c_~var_1_23~0 ((_ to_fp 8 24) c_currentRoundingMode (_ bv0 32))))) (or (and (not .cse9) (= c_~var_1_21~0 c_~var_1_23~0)) (and .cse9 (= (fp.neg c_~var_1_23~0) c_~var_1_21~0)))))) (= c_~var_1_37~0 ((_ sign_extend 8) c_~var_1_11~0)) (= c_~last_1_var_1_10~0 (_ bv128 8)) (fp.lt (fp.neg c_~var_1_24~0) c_~var_1_23~0) (= c_~var_1_10~0 (_ bv128 8)) (= (bvsdiv ((_ sign_extend 24) c_~var_1_7~0) c_~var_1_13~0) ((_ sign_extend 24) c_~var_1_25~0)) (= c_~var_1_38~0 c_~var_1_11~0) (= c_currentRoundingMode roundNearestTiesToEven)))) is different from true [2023-12-02 13:12:52,628 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse9 (fp.lt c_~var_1_23~0 c_~var_1_24~0)) (.cse1 ((_ to_fp 8 24) c_currentRoundingMode (/ 1.0 100000000000000000000.0)))) (let ((.cse3 ((_ sign_extend 24) c_~var_1_11~0)) (.cse0 ((_ to_fp 8 24) c_currentRoundingMode 9223372036854765600.0)) (.cse2 (fp.neg .cse1)) (.cse8 (not .cse9))) (and (not (fp.eq (fp.add c_currentRoundingMode (fp.sub c_currentRoundingMode c_~var_1_31~0 c_~var_1_32~0) ((_ to_fp 11 53) c_currentRoundingMode c_~var_1_24~0)) ((_ to_fp 11 53) c_currentRoundingMode c_~var_1_23~0))) (or (and (fp.leq c_~var_1_23~0 .cse0) (fp.geq c_~var_1_23~0 .cse1)) (fp.leq c_~var_1_23~0 .cse2)) (= c_~last_1_var_1_18~0 (_ bv0 8)) (bvsle ((_ zero_extend 24) c_~var_1_20~0) (_ bv0 32)) (bvsge .cse3 (_ bv0 32)) (= (bvadd (_ bv128 32) c_~var_1_28~0) (_ bv0 32)) (let ((.cse4 (= c_~var_1_19~0 (_ bv0 8)))) (or (and (= c_~var_1_18~0 (_ bv0 8)) (not .cse4)) (and .cse4 (= (_ bv1 8) c_~var_1_18~0)))) (let ((.cse6 ((_ sign_extend 24) c_~var_1_26~0))) (let ((.cse7 (bvslt (_ bv4294967286 32) .cse6)) (.cse5 ((_ sign_extend 24) c_~var_1_27~0))) (or (and (= c_~var_1_25~0 ((_ extract 7 0) (bvadd .cse5 .cse6))) (not .cse7)) (and .cse7 (= c_~var_1_25~0 ((_ extract 7 0) (bvadd (_ bv4294967286 32) .cse5))))))) (= c_~var_1_39~0 c_~var_1_11~0) (= c_~var_1_12~0 c_~var_1_9~0) (= ((_ extract 15 0) (bvadd (bvneg ((_ zero_extend 24) c_~var_1_38~0)) (_ bv44833 32) (bvneg .cse3))) c_~var_1_33~0) (or (and (fp.leq c_~var_1_24~0 .cse0) (fp.geq c_~var_1_24~0 .cse1)) (fp.leq c_~var_1_24~0 .cse2)) (or (and .cse8 (= c_~var_1_30~0 c_~var_1_24~0)) (and .cse9 (= c_~var_1_30~0 c_~var_1_23~0))) (= c_~var_1_7~0 c_~var_1_9~0) (= (_ bv1 8) c_~var_1_14~0) (or (and .cse8 (= c_~var_1_21~0 c_~var_1_24~0)) (and .cse9 (let ((.cse10 (fp.lt c_~var_1_23~0 ((_ to_fp 8 24) c_currentRoundingMode (_ bv0 32))))) (or (and (not .cse10) (= c_~var_1_21~0 c_~var_1_23~0)) (and .cse10 (= (fp.neg c_~var_1_23~0) c_~var_1_21~0)))))) (= c_~var_1_37~0 ((_ sign_extend 8) c_~var_1_11~0)) (= c_~last_1_var_1_10~0 (_ bv128 8)) (fp.lt (fp.neg c_~var_1_24~0) c_~var_1_23~0) (= c_~var_1_10~0 (_ bv128 8)) (= (bvsdiv ((_ sign_extend 24) c_~var_1_7~0) c_~var_1_13~0) ((_ sign_extend 24) c_~var_1_25~0)) (= c_~var_1_38~0 c_~var_1_11~0) (= c_currentRoundingMode roundNearestTiesToEven)))) is different from false [2023-12-02 13:12:54,658 WARN L876 $PredicateComparison]: unable to prove that (let ((.cse9 (fp.lt c_~var_1_23~0 c_~var_1_24~0)) (.cse1 ((_ to_fp 8 24) c_currentRoundingMode (/ 1.0 100000000000000000000.0)))) (let ((.cse3 ((_ sign_extend 24) c_~var_1_11~0)) (.cse0 ((_ to_fp 8 24) c_currentRoundingMode 9223372036854765600.0)) (.cse2 (fp.neg .cse1)) (.cse8 (not .cse9))) (and (not (fp.eq (fp.add c_currentRoundingMode (fp.sub c_currentRoundingMode c_~var_1_31~0 c_~var_1_32~0) ((_ to_fp 11 53) c_currentRoundingMode c_~var_1_24~0)) ((_ to_fp 11 53) c_currentRoundingMode c_~var_1_23~0))) (or (and (fp.leq c_~var_1_23~0 .cse0) (fp.geq c_~var_1_23~0 .cse1)) (fp.leq c_~var_1_23~0 .cse2)) (= c_~last_1_var_1_18~0 (_ bv0 8)) (bvsle ((_ zero_extend 24) c_~var_1_20~0) (_ bv0 32)) (bvsge .cse3 (_ bv0 32)) (= (bvadd (_ bv128 32) c_~var_1_28~0) (_ bv0 32)) (let ((.cse4 (= c_~var_1_19~0 (_ bv0 8)))) (or (and (= c_~var_1_18~0 (_ bv0 8)) (not .cse4)) (and .cse4 (= (_ bv1 8) c_~var_1_18~0)))) (let ((.cse6 ((_ sign_extend 24) c_~var_1_26~0))) (let ((.cse7 (bvslt (_ bv4294967286 32) .cse6)) (.cse5 ((_ sign_extend 24) c_~var_1_27~0))) (or (and (= c_~var_1_25~0 ((_ extract 7 0) (bvadd .cse5 .cse6))) (not .cse7)) (and .cse7 (= c_~var_1_25~0 ((_ extract 7 0) (bvadd (_ bv4294967286 32) .cse5))))))) (= c_~var_1_39~0 c_~var_1_11~0) (= c_~var_1_12~0 c_~var_1_9~0) (= ((_ extract 15 0) (bvadd (bvneg ((_ zero_extend 24) c_~var_1_38~0)) (_ bv44833 32) (bvneg .cse3))) c_~var_1_33~0) (or (and (fp.leq c_~var_1_24~0 .cse0) (fp.geq c_~var_1_24~0 .cse1)) (fp.leq c_~var_1_24~0 .cse2)) (or (and .cse8 (= c_~var_1_30~0 c_~var_1_24~0)) (and .cse9 (= c_~var_1_30~0 c_~var_1_23~0))) (= c_~var_1_7~0 c_~var_1_9~0) (= (_ bv1 8) c_~var_1_14~0) (or (and .cse8 (= c_~var_1_21~0 c_~var_1_24~0)) (and .cse9 (let ((.cse10 (fp.lt c_~var_1_23~0 ((_ to_fp 8 24) c_currentRoundingMode (_ bv0 32))))) (or (and (not .cse10) (= c_~var_1_21~0 c_~var_1_23~0)) (and .cse10 (= (fp.neg c_~var_1_23~0) c_~var_1_21~0)))))) (= c_~var_1_37~0 ((_ sign_extend 8) c_~var_1_11~0)) (= c_~last_1_var_1_10~0 (_ bv128 8)) (fp.lt (fp.neg c_~var_1_24~0) c_~var_1_23~0) (= c_~var_1_10~0 (_ bv128 8)) (= (bvsdiv ((_ sign_extend 24) c_~var_1_7~0) c_~var_1_13~0) ((_ sign_extend 24) c_~var_1_25~0)) (= c_~var_1_38~0 c_~var_1_11~0) (= c_currentRoundingMode roundNearestTiesToEven)))) is different from true [2023-12-02 13:16:22,994 WARN L876 $PredicateComparison]: unable to prove that (let ((.cse9 (fp.lt c_~var_1_23~0 c_~var_1_24~0)) (.cse1 ((_ to_fp 8 24) c_currentRoundingMode (/ 1.0 100000000000000000000.0)))) (let ((.cse3 ((_ sign_extend 24) c_~var_1_11~0)) (.cse0 ((_ to_fp 8 24) c_currentRoundingMode 9223372036854765600.0)) (.cse2 (fp.neg .cse1)) (.cse8 (not .cse9))) (and (= ((_ extract 15 0) (bvmul (_ bv2 32) ((_ sign_extend 24) (_ bv128 8)))) c_~var_1_1~0) (not (fp.eq (fp.add c_currentRoundingMode (fp.sub c_currentRoundingMode c_~var_1_31~0 c_~var_1_32~0) ((_ to_fp 11 53) c_currentRoundingMode c_~var_1_24~0)) ((_ to_fp 11 53) c_currentRoundingMode c_~var_1_23~0))) (or (and (fp.leq c_~var_1_23~0 .cse0) (fp.geq c_~var_1_23~0 .cse1)) (fp.leq c_~var_1_23~0 .cse2)) (= c_~last_1_var_1_18~0 (_ bv0 8)) (bvsle ((_ zero_extend 24) c_~var_1_20~0) (_ bv0 32)) (bvsge .cse3 (_ bv0 32)) (= (bvadd (_ bv128 32) c_~var_1_28~0) (_ bv0 32)) (let ((.cse4 (= c_~var_1_19~0 (_ bv0 8)))) (or (and (= c_~var_1_18~0 (_ bv0 8)) (not .cse4)) (and .cse4 (= (_ bv1 8) c_~var_1_18~0)))) (let ((.cse6 ((_ sign_extend 24) c_~var_1_26~0))) (let ((.cse7 (bvslt (_ bv4294967286 32) .cse6)) (.cse5 ((_ sign_extend 24) c_~var_1_27~0))) (or (and (= c_~var_1_25~0 ((_ extract 7 0) (bvadd .cse5 .cse6))) (not .cse7)) (and .cse7 (= c_~var_1_25~0 ((_ extract 7 0) (bvadd (_ bv4294967286 32) .cse5))))))) (= c_~var_1_39~0 c_~var_1_11~0) (= c_~var_1_12~0 c_~var_1_9~0) (= ((_ extract 15 0) (bvadd (bvneg ((_ zero_extend 24) c_~var_1_38~0)) (_ bv44833 32) (bvneg .cse3))) c_~var_1_33~0) (or (and (fp.leq c_~var_1_24~0 .cse0) (fp.geq c_~var_1_24~0 .cse1)) (fp.leq c_~var_1_24~0 .cse2)) (or (and .cse8 (= c_~var_1_30~0 c_~var_1_24~0)) (and .cse9 (= c_~var_1_30~0 c_~var_1_23~0))) (= c_~var_1_7~0 c_~var_1_9~0) (= (_ bv1 8) c_~var_1_14~0) (or (and .cse8 (= c_~var_1_21~0 c_~var_1_24~0)) (and .cse9 (let ((.cse10 (fp.lt c_~var_1_23~0 ((_ to_fp 8 24) c_currentRoundingMode (_ bv0 32))))) (or (and (not .cse10) (= c_~var_1_21~0 c_~var_1_23~0)) (and .cse10 (= (fp.neg c_~var_1_23~0) c_~var_1_21~0)))))) (= c_~var_1_37~0 ((_ sign_extend 8) c_~var_1_11~0)) (= c_~last_1_var_1_10~0 (_ bv128 8)) (fp.lt (fp.neg c_~var_1_24~0) c_~var_1_23~0) (= c_~var_1_10~0 (_ bv128 8)) (= (bvsdiv ((_ sign_extend 24) c_~var_1_7~0) c_~var_1_13~0) ((_ sign_extend 24) c_~var_1_25~0)) (= c_~var_1_38~0 c_~var_1_11~0) (= c_currentRoundingMode roundNearestTiesToEven)))) is different from true