./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-44.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b75af4c-0d9a-4498-8c96-5647b9038d7e/bin/utaipan-verify-nQ1chXbOIh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b75af4c-0d9a-4498-8c96-5647b9038d7e/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_3b75af4c-0d9a-4498-8c96-5647b9038d7e/bin/utaipan-verify-nQ1chXbOIh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b75af4c-0d9a-4498-8c96-5647b9038d7e/bin/utaipan-verify-nQ1chXbOIh/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-44.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b75af4c-0d9a-4498-8c96-5647b9038d7e/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_3b75af4c-0d9a-4498-8c96-5647b9038d7e/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 adb5fb4d805ca2a5692f9b69f128d488862bca1b1bd46cb53a0587439b8a768f --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 13:40:10,734 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 13:40:10,801 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b75af4c-0d9a-4498-8c96-5647b9038d7e/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-12-02 13:40:10,806 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 13:40:10,806 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-02 13:40:10,830 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 13:40:10,830 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-02 13:40:10,831 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-02 13:40:10,832 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 13:40:10,832 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-02 13:40:10,833 INFO L153 SettingsManager]: * User list type=DISABLED [2023-12-02 13:40:10,833 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-12-02 13:40:10,834 INFO L153 SettingsManager]: * Explicit value domain=true [2023-12-02 13:40:10,834 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-12-02 13:40:10,835 INFO L153 SettingsManager]: * Octagon Domain=false [2023-12-02 13:40:10,835 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-12-02 13:40:10,836 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-12-02 13:40:10,836 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-12-02 13:40:10,837 INFO L153 SettingsManager]: * Interval Domain=false [2023-12-02 13:40:10,838 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-12-02 13:40:10,838 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-12-02 13:40:10,839 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-12-02 13:40:10,840 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 13:40:10,840 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 13:40:10,841 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 13:40:10,841 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 13:40:10,842 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 13:40:10,842 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 13:40:10,843 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 13:40:10,843 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 13:40:10,844 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 13:40:10,844 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 13:40:10,845 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 13:40:10,845 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 13:40:10,845 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 13:40:10,846 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-02 13:40:10,846 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-02 13:40:10,846 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 13:40:10,847 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 13:40:10,847 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 13:40:10,847 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 13:40:10,847 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-12-02 13:40:10,847 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 13:40:10,848 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-02 13:40:10,848 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 13:40:10,848 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-12-02 13:40:10,848 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 13:40:10,848 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_3b75af4c-0d9a-4498-8c96-5647b9038d7e/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b75af4c-0d9a-4498-8c96-5647b9038d7e/bin/utaipan-verify-nQ1chXbOIh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> adb5fb4d805ca2a5692f9b69f128d488862bca1b1bd46cb53a0587439b8a768f [2023-12-02 13:40:11,050 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 13:40:11,070 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 13:40:11,073 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 13:40:11,074 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 13:40:11,075 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 13:40:11,076 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b75af4c-0d9a-4498-8c96-5647b9038d7e/bin/utaipan-verify-nQ1chXbOIh/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-44.i [2023-12-02 13:40:13,840 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 13:40:14,041 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 13:40:14,042 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b75af4c-0d9a-4498-8c96-5647b9038d7e/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-44.i [2023-12-02 13:40:14,052 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b75af4c-0d9a-4498-8c96-5647b9038d7e/bin/utaipan-verify-nQ1chXbOIh/data/faf0ca601/029a61de2c714516a775e4b55c331fa0/FLAG64ea8a378 [2023-12-02 13:40:14,067 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b75af4c-0d9a-4498-8c96-5647b9038d7e/bin/utaipan-verify-nQ1chXbOIh/data/faf0ca601/029a61de2c714516a775e4b55c331fa0 [2023-12-02 13:40:14,069 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 13:40:14,071 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 13:40:14,072 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 13:40:14,072 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 13:40:14,077 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 13:40:14,078 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 01:40:14" (1/1) ... [2023-12-02 13:40:14,078 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3aa34d12 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:40:14, skipping insertion in model container [2023-12-02 13:40:14,079 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 01:40:14" (1/1) ... [2023-12-02 13:40:14,114 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 13:40:14,242 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_3b75af4c-0d9a-4498-8c96-5647b9038d7e/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-44.i[916,929] [2023-12-02 13:40:14,324 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 13:40:14,336 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 13:40:14,345 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_3b75af4c-0d9a-4498-8c96-5647b9038d7e/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-44.i[916,929] [2023-12-02 13:40:14,386 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 13:40:14,405 INFO L206 MainTranslator]: Completed translation [2023-12-02 13:40:14,405 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:40:14 WrapperNode [2023-12-02 13:40:14,405 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 13:40:14,406 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 13:40:14,407 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 13:40:14,407 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 13:40:14,414 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:40:14" (1/1) ... [2023-12-02 13:40:14,429 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:40:14" (1/1) ... [2023-12-02 13:40:14,470 INFO L138 Inliner]: procedures = 26, calls = 46, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 332 [2023-12-02 13:40:14,470 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 13:40:14,471 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 13:40:14,471 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 13:40:14,471 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 13:40:14,478 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:40:14" (1/1) ... [2023-12-02 13:40:14,479 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:40:14" (1/1) ... [2023-12-02 13:40:14,484 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:40:14" (1/1) ... [2023-12-02 13:40:14,484 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:40:14" (1/1) ... [2023-12-02 13:40:14,502 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:40:14" (1/1) ... [2023-12-02 13:40:14,507 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:40:14" (1/1) ... [2023-12-02 13:40:14,513 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:40:14" (1/1) ... [2023-12-02 13:40:14,516 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:40:14" (1/1) ... [2023-12-02 13:40:14,524 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 13:40:14,525 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 13:40:14,526 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 13:40:14,526 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 13:40:14,527 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:40:14" (1/1) ... [2023-12-02 13:40:14,534 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 13:40:14,549 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b75af4c-0d9a-4498-8c96-5647b9038d7e/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 13:40:14,566 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b75af4c-0d9a-4498-8c96-5647b9038d7e/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-12-02 13:40:14,572 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b75af4c-0d9a-4498-8c96-5647b9038d7e/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-12-02 13:40:14,608 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 13:40:14,609 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-02 13:40:14,609 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-02 13:40:14,609 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 13:40:14,609 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 13:40:14,610 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 13:40:14,717 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 13:40:14,720 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 13:40:15,260 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 13:40:15,700 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 13:40:15,700 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-02 13:40:15,702 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 01:40:15 BoogieIcfgContainer [2023-12-02 13:40:15,702 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 13:40:15,704 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-02 13:40:15,705 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-02 13:40:15,708 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-02 13:40:15,708 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 01:40:14" (1/3) ... [2023-12-02 13:40:15,709 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@573f43c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 01:40:15, skipping insertion in model container [2023-12-02 13:40:15,709 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:40:14" (2/3) ... [2023-12-02 13:40:15,709 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@573f43c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 01:40:15, skipping insertion in model container [2023-12-02 13:40:15,710 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 01:40:15" (3/3) ... [2023-12-02 13:40:15,711 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_100-1loop_file-44.i [2023-12-02 13:40:15,730 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-02 13:40:15,730 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-02 13:40:15,783 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-02 13:40:15,790 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;@795eec41, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-02 13:40:15,791 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-02 13:40:15,796 INFO L276 IsEmpty]: Start isEmpty. Operand has 63 states, 27 states have (on average 1.1111111111111112) internal successors, (30), 28 states have internal predecessors, (30), 33 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 33 states have call predecessors, (33), 33 states have call successors, (33) [2023-12-02 13:40:15,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2023-12-02 13:40:15,808 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 13:40:15,809 INFO L195 NwaCegarLoop]: trace histogram [33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:40:15,810 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 13:40:15,814 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 13:40:15,814 INFO L85 PathProgramCache]: Analyzing trace with hash 843884447, now seen corresponding path program 1 times [2023-12-02 13:40:15,822 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 13:40:15,823 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1550534615] [2023-12-02 13:40:15,823 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:40:15,823 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 13:40:16,007 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-02 13:40:16,007 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [733079614] [2023-12-02 13:40:16,007 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:40:16,008 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 13:40:16,008 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b75af4c-0d9a-4498-8c96-5647b9038d7e/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 13:40:16,009 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b75af4c-0d9a-4498-8c96-5647b9038d7e/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 13:40:16,021 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b75af4c-0d9a-4498-8c96-5647b9038d7e/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-12-02 13:40:16,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 13:40:16,369 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 13:40:16,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 13:40:16,778 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-12-02 13:40:16,781 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-12-02 13:40:16,782 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-02 13:40:16,793 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b75af4c-0d9a-4498-8c96-5647b9038d7e/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-12-02 13:40:16,993 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b75af4c-0d9a-4498-8c96-5647b9038d7e/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-12-02 13:40:16,998 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-12-02 13:40:17,001 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-12-02 13:40:17,117 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 01:40:17 BoogieIcfgContainer [2023-12-02 13:40:17,117 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-02 13:40:17,117 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-02 13:40:17,118 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-02 13:40:17,118 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-02 13:40:17,118 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 01:40:15" (3/4) ... [2023-12-02 13:40:17,121 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-02 13:40:17,122 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-02 13:40:17,123 INFO L158 Benchmark]: Toolchain (without parser) took 3052.06ms. Allocated memory was 127.9MB in the beginning and 155.2MB in the end (delta: 27.3MB). Free memory was 88.1MB in the beginning and 77.3MB in the end (delta: 10.9MB). Peak memory consumption was 41.2MB. Max. memory is 16.1GB. [2023-12-02 13:40:17,123 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 127.9MB. Free memory is still 69.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 13:40:17,124 INFO L158 Benchmark]: CACSL2BoogieTranslator took 334.22ms. Allocated memory is still 127.9MB. Free memory was 87.7MB in the beginning and 70.9MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-12-02 13:40:17,124 INFO L158 Benchmark]: Boogie Procedure Inliner took 63.83ms. Allocated memory is still 127.9MB. Free memory was 70.9MB in the beginning and 65.9MB in the end (delta: 5.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-12-02 13:40:17,125 INFO L158 Benchmark]: Boogie Preprocessor took 53.82ms. Allocated memory is still 127.9MB. Free memory was 65.9MB in the beginning and 63.0MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 13:40:17,126 INFO L158 Benchmark]: RCFGBuilder took 1176.55ms. Allocated memory was 127.9MB in the beginning and 155.2MB in the end (delta: 27.3MB). Free memory was 63.0MB in the beginning and 76.5MB in the end (delta: -13.5MB). Peak memory consumption was 37.4MB. Max. memory is 16.1GB. [2023-12-02 13:40:17,126 INFO L158 Benchmark]: TraceAbstraction took 1412.61ms. Allocated memory is still 155.2MB. Free memory was 75.4MB in the beginning and 77.3MB in the end (delta: -1.8MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 13:40:17,127 INFO L158 Benchmark]: Witness Printer took 4.37ms. Allocated memory is still 155.2MB. Free memory is still 77.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 13:40:17,130 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 127.9MB. Free memory is still 69.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 334.22ms. Allocated memory is still 127.9MB. Free memory was 87.7MB in the beginning and 70.9MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 63.83ms. Allocated memory is still 127.9MB. Free memory was 70.9MB in the beginning and 65.9MB in the end (delta: 5.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 53.82ms. Allocated memory is still 127.9MB. Free memory was 65.9MB in the beginning and 63.0MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1176.55ms. Allocated memory was 127.9MB in the beginning and 155.2MB in the end (delta: 27.3MB). Free memory was 63.0MB in the beginning and 76.5MB in the end (delta: -13.5MB). Peak memory consumption was 37.4MB. Max. memory is 16.1GB. * TraceAbstraction took 1412.61ms. Allocated memory is still 155.2MB. Free memory was 75.4MB in the beginning and 77.3MB in the end (delta: -1.8MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.37ms. Allocated memory is still 155.2MB. Free memory is still 77.3MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of shiftRight at line 89, overapproximation of someBinaryArithmeticDOUBLEoperation at line 67, overapproximation of someBinaryFLOATComparisonOperation at line 63, overapproximation of bitwiseOr at line 114, overapproximation of bitwiseAnd at line 102, overapproximation of someBinaryDOUBLEComparisonOperation at line 64, overapproximation of someUnaryFLOAToperation at line 85, overapproximation of someBinaryArithmeticFLOAToperation at line 85. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned char var_1_1 = 1; [L23] unsigned char var_1_4 = 1; [L24] unsigned char var_1_5 = 0; [L25] unsigned char var_1_8 = 0; [L26] signed short int var_1_9 = 256; [L27] signed short int var_1_10 = -25; [L28] unsigned char var_1_11 = 1; [L29] unsigned char var_1_12 = 0; [L30] float var_1_13 = 256.75; [L31] float var_1_15 = 256.25; [L32] float var_1_16 = 8.95; [L33] float var_1_17 = 256.375; [L34] float var_1_18 = 0.0; [L35] float var_1_19 = 3.75; [L36] unsigned short int var_1_20 = 64; [L37] unsigned short int var_1_21 = 0; [L38] float var_1_22 = 100.5; [L39] unsigned short int var_1_23 = 50; [L40] unsigned short int var_1_24 = 64; [L41] double var_1_25 = 32.6; [L42] unsigned char var_1_26 = 1; [L43] unsigned char var_1_28 = 0; [L44] double var_1_29 = 100.4; [L45] signed short int var_1_30 = 2; [L46] signed short int var_1_31 = 16; [L47] signed short int var_1_32 = 8; [L48] signed short int var_1_33 = 2; [L49] double var_1_34 = 0.0; [L50] double var_1_35 = 63.8; [L51] double var_1_36 = 127.75; [L52] double var_1_37 = 0.4; [L53] unsigned long int var_1_38 = 50; [L54] unsigned long int var_1_39 = 3554953517; [L55] unsigned char var_1_40 = 0; [L56] unsigned short int var_1_41 = 4; [L194] isInitial = 1 [L195] FCALL initially() [L196] int k_loop; [L197] k_loop = 0 VAL [isInitial=1, k_loop=0, var_1_10=-25, var_1_11=1, var_1_12=0, var_1_13=1027/4, var_1_15=1025/4, var_1_16=179/20, var_1_17=2051/8, var_1_18=0, var_1_19=15/4, var_1_1=1, var_1_20=64, var_1_21=0, var_1_22=201/2, var_1_23=50, var_1_24=64, var_1_25=163/5, var_1_26=1, var_1_28=0, var_1_29=502/5, var_1_30=2, var_1_31=16, var_1_32=8, var_1_33=2, var_1_34=0, var_1_35=319/5, var_1_36=511/4, var_1_37=2/5, var_1_38=50, var_1_39=3554953517, var_1_40=0, var_1_41=4, var_1_4=1, var_1_5=0, var_1_8=0, var_1_9=256] [L197] COND TRUE k_loop < 1 [L198] FCALL updateLastVariables() [L199] CALL updateVariables() [L132] var_1_4 = __VERIFIER_nondet_uchar() [L133] CALL assume_abort_if_not(var_1_4 >= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=-25, var_1_11=1, var_1_12=0, var_1_13=1027/4, var_1_15=1025/4, var_1_16=179/20, var_1_17=2051/8, var_1_18=0, var_1_19=15/4, var_1_1=1, var_1_20=64, var_1_21=0, var_1_22=201/2, var_1_23=50, var_1_24=64, var_1_25=163/5, var_1_26=1, var_1_28=0, var_1_29=502/5, var_1_30=2, var_1_31=16, var_1_32=8, var_1_33=2, var_1_34=0, var_1_35=319/5, var_1_36=511/4, var_1_37=2/5, var_1_38=50, var_1_39=3554953517, var_1_40=0, var_1_41=4, var_1_4=1, var_1_5=0, var_1_8=0, var_1_9=256] [L20] COND FALSE !(!cond) [L133] RET assume_abort_if_not(var_1_4 >= 1) VAL [isInitial=1, var_1_10=-25, var_1_11=1, var_1_12=0, var_1_13=1027/4, var_1_15=1025/4, var_1_16=179/20, var_1_17=2051/8, var_1_18=0, var_1_19=15/4, var_1_1=1, var_1_20=64, var_1_21=0, var_1_22=201/2, var_1_23=50, var_1_24=64, var_1_25=163/5, var_1_26=1, var_1_28=0, var_1_29=502/5, var_1_30=2, var_1_31=16, var_1_32=8, var_1_33=2, var_1_34=0, var_1_35=319/5, var_1_36=511/4, var_1_37=2/5, var_1_38=50, var_1_39=3554953517, var_1_40=0, var_1_41=4, var_1_4=1, var_1_5=0, var_1_8=0, var_1_9=256] [L134] CALL assume_abort_if_not(var_1_4 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=-25, var_1_11=1, var_1_12=0, var_1_13=1027/4, var_1_15=1025/4, var_1_16=179/20, var_1_17=2051/8, var_1_18=0, var_1_19=15/4, var_1_1=1, var_1_20=64, var_1_21=0, var_1_22=201/2, var_1_23=50, var_1_24=64, var_1_25=163/5, var_1_26=1, var_1_28=0, var_1_29=502/5, var_1_30=2, var_1_31=16, var_1_32=8, var_1_33=2, var_1_34=0, var_1_35=319/5, var_1_36=511/4, var_1_37=2/5, var_1_38=50, var_1_39=3554953517, var_1_40=0, var_1_41=4, var_1_4=1, var_1_5=0, var_1_8=0, var_1_9=256] [L20] COND FALSE !(!cond) [L134] RET assume_abort_if_not(var_1_4 <= 1) VAL [isInitial=1, var_1_10=-25, var_1_11=1, var_1_12=0, var_1_13=1027/4, var_1_15=1025/4, var_1_16=179/20, var_1_17=2051/8, var_1_18=0, var_1_19=15/4, var_1_1=1, var_1_20=64, var_1_21=0, var_1_22=201/2, var_1_23=50, var_1_24=64, var_1_25=163/5, var_1_26=1, var_1_28=0, var_1_29=502/5, var_1_30=2, var_1_31=16, var_1_32=8, var_1_33=2, var_1_34=0, var_1_35=319/5, var_1_36=511/4, var_1_37=2/5, var_1_38=50, var_1_39=3554953517, var_1_40=0, var_1_41=4, var_1_4=1, var_1_5=0, var_1_8=0, var_1_9=256] [L135] var_1_8 = __VERIFIER_nondet_uchar() [L136] CALL assume_abort_if_not(var_1_8 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=-25, var_1_11=1, var_1_12=0, var_1_13=1027/4, var_1_15=1025/4, var_1_16=179/20, var_1_17=2051/8, var_1_18=0, var_1_19=15/4, var_1_1=1, var_1_20=64, var_1_21=0, var_1_22=201/2, var_1_23=50, var_1_24=64, var_1_25=163/5, var_1_26=1, var_1_28=0, var_1_29=502/5, var_1_30=2, var_1_31=16, var_1_32=8, var_1_33=2, var_1_34=0, var_1_35=319/5, var_1_36=511/4, var_1_37=2/5, var_1_38=50, var_1_39=3554953517, var_1_40=0, var_1_41=4, var_1_4=1, var_1_5=0, var_1_9=256] [L20] COND FALSE !(!cond) [L136] RET assume_abort_if_not(var_1_8 >= 0) VAL [isInitial=1, var_1_10=-25, var_1_11=1, var_1_12=0, var_1_13=1027/4, var_1_15=1025/4, var_1_16=179/20, var_1_17=2051/8, var_1_18=0, var_1_19=15/4, var_1_1=1, var_1_20=64, var_1_21=0, var_1_22=201/2, var_1_23=50, var_1_24=64, var_1_25=163/5, var_1_26=1, var_1_28=0, var_1_29=502/5, var_1_30=2, var_1_31=16, var_1_32=8, var_1_33=2, var_1_34=0, var_1_35=319/5, var_1_36=511/4, var_1_37=2/5, var_1_38=50, var_1_39=3554953517, var_1_40=0, var_1_41=4, var_1_4=1, var_1_5=0, var_1_9=256] [L137] CALL assume_abort_if_not(var_1_8 <= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=-25, var_1_11=1, var_1_12=0, var_1_13=1027/4, var_1_15=1025/4, var_1_16=179/20, var_1_17=2051/8, var_1_18=0, var_1_19=15/4, var_1_1=1, var_1_20=64, var_1_21=0, var_1_22=201/2, var_1_23=50, var_1_24=64, var_1_25=163/5, var_1_26=1, var_1_28=0, var_1_29=502/5, var_1_30=2, var_1_31=16, var_1_32=8, var_1_33=2, var_1_34=0, var_1_35=319/5, var_1_36=511/4, var_1_37=2/5, var_1_38=50, var_1_39=3554953517, var_1_40=0, var_1_41=4, var_1_4=1, var_1_5=0, var_1_8=0, var_1_9=256] [L20] COND FALSE !(!cond) [L137] RET assume_abort_if_not(var_1_8 <= 0) VAL [isInitial=1, var_1_10=-25, var_1_11=1, var_1_12=0, var_1_13=1027/4, var_1_15=1025/4, var_1_16=179/20, var_1_17=2051/8, var_1_18=0, var_1_19=15/4, var_1_1=1, var_1_20=64, var_1_21=0, var_1_22=201/2, var_1_23=50, var_1_24=64, var_1_25=163/5, var_1_26=1, var_1_28=0, var_1_29=502/5, var_1_30=2, var_1_31=16, var_1_32=8, var_1_33=2, var_1_34=0, var_1_35=319/5, var_1_36=511/4, var_1_37=2/5, var_1_38=50, var_1_39=3554953517, var_1_40=0, var_1_41=4, var_1_4=1, var_1_5=0, var_1_8=0, var_1_9=256] [L138] var_1_10 = __VERIFIER_nondet_short() [L139] CALL assume_abort_if_not(var_1_10 >= -32767) VAL [\old(cond)=1, isInitial=1, var_1_10=-11, var_1_11=1, var_1_12=0, var_1_13=1027/4, var_1_15=1025/4, var_1_16=179/20, var_1_17=2051/8, var_1_18=0, var_1_19=15/4, var_1_1=1, var_1_20=64, var_1_21=0, var_1_22=201/2, var_1_23=50, var_1_24=64, var_1_25=163/5, var_1_26=1, var_1_28=0, var_1_29=502/5, var_1_30=2, var_1_31=16, var_1_32=8, var_1_33=2, var_1_34=0, var_1_35=319/5, var_1_36=511/4, var_1_37=2/5, var_1_38=50, var_1_39=3554953517, var_1_40=0, var_1_41=4, var_1_4=1, var_1_5=0, var_1_8=0, var_1_9=256] [L20] COND FALSE !(!cond) [L139] RET assume_abort_if_not(var_1_10 >= -32767) VAL [isInitial=1, var_1_10=-11, var_1_11=1, var_1_12=0, var_1_13=1027/4, var_1_15=1025/4, var_1_16=179/20, var_1_17=2051/8, var_1_18=0, var_1_19=15/4, var_1_1=1, var_1_20=64, var_1_21=0, var_1_22=201/2, var_1_23=50, var_1_24=64, var_1_25=163/5, var_1_26=1, var_1_28=0, var_1_29=502/5, var_1_30=2, var_1_31=16, var_1_32=8, var_1_33=2, var_1_34=0, var_1_35=319/5, var_1_36=511/4, var_1_37=2/5, var_1_38=50, var_1_39=3554953517, var_1_40=0, var_1_41=4, var_1_4=1, var_1_5=0, var_1_8=0, var_1_9=256] [L140] CALL assume_abort_if_not(var_1_10 <= 32766) VAL [\old(cond)=1, isInitial=1, var_1_10=-11, var_1_11=1, var_1_12=0, var_1_13=1027/4, var_1_15=1025/4, var_1_16=179/20, var_1_17=2051/8, var_1_18=0, var_1_19=15/4, var_1_1=1, var_1_20=64, var_1_21=0, var_1_22=201/2, var_1_23=50, var_1_24=64, var_1_25=163/5, var_1_26=1, var_1_28=0, var_1_29=502/5, var_1_30=2, var_1_31=16, var_1_32=8, var_1_33=2, var_1_34=0, var_1_35=319/5, var_1_36=511/4, var_1_37=2/5, var_1_38=50, var_1_39=3554953517, var_1_40=0, var_1_41=4, var_1_4=1, var_1_5=0, var_1_8=0, var_1_9=256] [L20] COND FALSE !(!cond) [L140] RET assume_abort_if_not(var_1_10 <= 32766) VAL [isInitial=1, var_1_10=-11, var_1_11=1, var_1_12=0, var_1_13=1027/4, var_1_15=1025/4, var_1_16=179/20, var_1_17=2051/8, var_1_18=0, var_1_19=15/4, var_1_1=1, var_1_20=64, var_1_21=0, var_1_22=201/2, var_1_23=50, var_1_24=64, var_1_25=163/5, var_1_26=1, var_1_28=0, var_1_29=502/5, var_1_30=2, var_1_31=16, var_1_32=8, var_1_33=2, var_1_34=0, var_1_35=319/5, var_1_36=511/4, var_1_37=2/5, var_1_38=50, var_1_39=3554953517, var_1_40=0, var_1_41=4, var_1_4=1, var_1_5=0, var_1_8=0, var_1_9=256] [L141] var_1_12 = __VERIFIER_nondet_uchar() [L142] CALL assume_abort_if_not(var_1_12 >= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=-11, var_1_11=1, var_1_12=1, var_1_13=1027/4, var_1_15=1025/4, var_1_16=179/20, var_1_17=2051/8, var_1_18=0, var_1_19=15/4, var_1_1=1, var_1_20=64, var_1_21=0, var_1_22=201/2, var_1_23=50, var_1_24=64, var_1_25=163/5, var_1_26=1, var_1_28=0, var_1_29=502/5, var_1_30=2, var_1_31=16, var_1_32=8, var_1_33=2, var_1_34=0, var_1_35=319/5, var_1_36=511/4, var_1_37=2/5, var_1_38=50, var_1_39=3554953517, var_1_40=0, var_1_41=4, var_1_4=1, var_1_5=0, var_1_8=0, var_1_9=256] [L20] COND FALSE !(!cond) [L142] RET assume_abort_if_not(var_1_12 >= 1) VAL [isInitial=1, var_1_10=-11, var_1_11=1, var_1_12=1, var_1_13=1027/4, var_1_15=1025/4, var_1_16=179/20, var_1_17=2051/8, var_1_18=0, var_1_19=15/4, var_1_1=1, var_1_20=64, var_1_21=0, var_1_22=201/2, var_1_23=50, var_1_24=64, var_1_25=163/5, var_1_26=1, var_1_28=0, var_1_29=502/5, var_1_30=2, var_1_31=16, var_1_32=8, var_1_33=2, var_1_34=0, var_1_35=319/5, var_1_36=511/4, var_1_37=2/5, var_1_38=50, var_1_39=3554953517, var_1_40=0, var_1_41=4, var_1_4=1, var_1_5=0, var_1_8=0, var_1_9=256] [L143] CALL assume_abort_if_not(var_1_12 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=-11, var_1_11=1, var_1_12=1, var_1_13=1027/4, var_1_15=1025/4, var_1_16=179/20, var_1_17=2051/8, var_1_18=0, var_1_19=15/4, var_1_1=1, var_1_20=64, var_1_21=0, var_1_22=201/2, var_1_23=50, var_1_24=64, var_1_25=163/5, var_1_26=1, var_1_28=0, var_1_29=502/5, var_1_30=2, var_1_31=16, var_1_32=8, var_1_33=2, var_1_34=0, var_1_35=319/5, var_1_36=511/4, var_1_37=2/5, var_1_38=50, var_1_39=3554953517, var_1_40=0, var_1_41=4, var_1_4=1, var_1_5=0, var_1_8=0, var_1_9=256] [L20] COND FALSE !(!cond) [L143] RET assume_abort_if_not(var_1_12 <= 1) VAL [isInitial=1, var_1_10=-11, var_1_11=1, var_1_12=1, var_1_13=1027/4, var_1_15=1025/4, var_1_16=179/20, var_1_17=2051/8, var_1_18=0, var_1_19=15/4, var_1_1=1, var_1_20=64, var_1_21=0, var_1_22=201/2, var_1_23=50, var_1_24=64, var_1_25=163/5, var_1_26=1, var_1_28=0, var_1_29=502/5, var_1_30=2, var_1_31=16, var_1_32=8, var_1_33=2, var_1_34=0, var_1_35=319/5, var_1_36=511/4, var_1_37=2/5, var_1_38=50, var_1_39=3554953517, var_1_40=0, var_1_41=4, var_1_4=1, var_1_5=0, var_1_8=0, var_1_9=256] [L144] var_1_15 = __VERIFIER_nondet_float() [L145] CALL assume_abort_if_not((var_1_15 >= -922337.2036854765600e+13F && var_1_15 <= -1.0e-20F) || (var_1_15 <= 9223372.036854765600e+12F && var_1_15 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=-11, var_1_11=1, var_1_12=1, var_1_13=1027/4, var_1_16=179/20, var_1_17=2051/8, var_1_18=0, var_1_19=15/4, var_1_1=1, var_1_20=64, var_1_21=0, var_1_22=201/2, var_1_23=50, var_1_24=64, var_1_25=163/5, var_1_26=1, var_1_28=0, var_1_29=502/5, var_1_30=2, var_1_31=16, var_1_32=8, var_1_33=2, var_1_34=0, var_1_35=319/5, var_1_36=511/4, var_1_37=2/5, var_1_38=50, var_1_39=3554953517, var_1_40=0, var_1_41=4, var_1_4=1, var_1_5=0, var_1_8=0, var_1_9=256] [L20] COND FALSE !(!cond) [L145] RET assume_abort_if_not((var_1_15 >= -922337.2036854765600e+13F && var_1_15 <= -1.0e-20F) || (var_1_15 <= 9223372.036854765600e+12F && var_1_15 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=-11, var_1_11=1, var_1_12=1, var_1_13=1027/4, var_1_16=179/20, var_1_17=2051/8, var_1_18=0, var_1_19=15/4, var_1_1=1, var_1_20=64, var_1_21=0, var_1_22=201/2, var_1_23=50, var_1_24=64, var_1_25=163/5, var_1_26=1, var_1_28=0, var_1_29=502/5, var_1_30=2, var_1_31=16, var_1_32=8, var_1_33=2, var_1_34=0, var_1_35=319/5, var_1_36=511/4, var_1_37=2/5, var_1_38=50, var_1_39=3554953517, var_1_40=0, var_1_41=4, var_1_4=1, var_1_5=0, var_1_8=0, var_1_9=256] [L146] var_1_16 = __VERIFIER_nondet_float() [L147] CALL assume_abort_if_not((var_1_16 >= -922337.2036854765600e+13F && var_1_16 <= -1.0e-20F) || (var_1_16 <= 9223372.036854765600e+12F && var_1_16 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=-11, var_1_11=1, var_1_12=1, var_1_13=1027/4, var_1_17=2051/8, var_1_18=0, var_1_19=15/4, var_1_1=1, var_1_20=64, var_1_21=0, var_1_22=201/2, var_1_23=50, var_1_24=64, var_1_25=163/5, var_1_26=1, var_1_28=0, var_1_29=502/5, var_1_30=2, var_1_31=16, var_1_32=8, var_1_33=2, var_1_34=0, var_1_35=319/5, var_1_36=511/4, var_1_37=2/5, var_1_38=50, var_1_39=3554953517, var_1_40=0, var_1_41=4, var_1_4=1, var_1_5=0, var_1_8=0, var_1_9=256] [L20] COND FALSE !(!cond) [L147] RET assume_abort_if_not((var_1_16 >= -922337.2036854765600e+13F && var_1_16 <= -1.0e-20F) || (var_1_16 <= 9223372.036854765600e+12F && var_1_16 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=-11, var_1_11=1, var_1_12=1, var_1_13=1027/4, var_1_17=2051/8, var_1_18=0, var_1_19=15/4, var_1_1=1, var_1_20=64, var_1_21=0, var_1_22=201/2, var_1_23=50, var_1_24=64, var_1_25=163/5, var_1_26=1, var_1_28=0, var_1_29=502/5, var_1_30=2, var_1_31=16, var_1_32=8, var_1_33=2, var_1_34=0, var_1_35=319/5, var_1_36=511/4, var_1_37=2/5, var_1_38=50, var_1_39=3554953517, var_1_40=0, var_1_41=4, var_1_4=1, var_1_5=0, var_1_8=0, var_1_9=256] [L148] var_1_17 = __VERIFIER_nondet_float() [L149] CALL assume_abort_if_not((var_1_17 >= 0.0F && var_1_17 <= -1.0e-20F) || (var_1_17 <= 9223372.036854765600e+12F && var_1_17 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=-11, var_1_11=1, var_1_12=1, var_1_13=1027/4, var_1_18=0, var_1_19=15/4, var_1_1=1, var_1_20=64, var_1_21=0, var_1_22=201/2, var_1_23=50, var_1_24=64, var_1_25=163/5, var_1_26=1, var_1_28=0, var_1_29=502/5, var_1_30=2, var_1_31=16, var_1_32=8, var_1_33=2, var_1_34=0, var_1_35=319/5, var_1_36=511/4, var_1_37=2/5, var_1_38=50, var_1_39=3554953517, var_1_40=0, var_1_41=4, var_1_4=1, var_1_5=0, var_1_8=0, var_1_9=256] [L20] COND FALSE !(!cond) [L149] RET assume_abort_if_not((var_1_17 >= 0.0F && var_1_17 <= -1.0e-20F) || (var_1_17 <= 9223372.036854765600e+12F && var_1_17 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=-11, var_1_11=1, var_1_12=1, var_1_13=1027/4, var_1_18=0, var_1_19=15/4, var_1_1=1, var_1_20=64, var_1_21=0, var_1_22=201/2, var_1_23=50, var_1_24=64, var_1_25=163/5, var_1_26=1, var_1_28=0, var_1_29=502/5, var_1_30=2, var_1_31=16, var_1_32=8, var_1_33=2, var_1_34=0, var_1_35=319/5, var_1_36=511/4, var_1_37=2/5, var_1_38=50, var_1_39=3554953517, var_1_40=0, var_1_41=4, var_1_4=1, var_1_5=0, var_1_8=0, var_1_9=256] [L150] var_1_18 = __VERIFIER_nondet_float() [L151] CALL assume_abort_if_not((var_1_18 >= 4611686.018427382800e+12F && var_1_18 <= -1.0e-20F) || (var_1_18 <= 9223372.036854765600e+12F && var_1_18 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=-11, var_1_11=1, var_1_12=1, var_1_13=1027/4, var_1_19=15/4, var_1_1=1, var_1_20=64, var_1_21=0, var_1_22=201/2, var_1_23=50, var_1_24=64, var_1_25=163/5, var_1_26=1, var_1_28=0, var_1_29=502/5, var_1_30=2, var_1_31=16, var_1_32=8, var_1_33=2, var_1_34=0, var_1_35=319/5, var_1_36=511/4, var_1_37=2/5, var_1_38=50, var_1_39=3554953517, var_1_40=0, var_1_41=4, var_1_4=1, var_1_5=0, var_1_8=0, var_1_9=256] [L20] COND FALSE !(!cond) [L151] RET assume_abort_if_not((var_1_18 >= 4611686.018427382800e+12F && var_1_18 <= -1.0e-20F) || (var_1_18 <= 9223372.036854765600e+12F && var_1_18 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=-11, var_1_11=1, var_1_12=1, var_1_13=1027/4, var_1_19=15/4, var_1_1=1, var_1_20=64, var_1_21=0, var_1_22=201/2, var_1_23=50, var_1_24=64, var_1_25=163/5, var_1_26=1, var_1_28=0, var_1_29=502/5, var_1_30=2, var_1_31=16, var_1_32=8, var_1_33=2, var_1_34=0, var_1_35=319/5, var_1_36=511/4, var_1_37=2/5, var_1_38=50, var_1_39=3554953517, var_1_40=0, var_1_41=4, var_1_4=1, var_1_5=0, var_1_8=0, var_1_9=256] [L152] var_1_19 = __VERIFIER_nondet_float() [L153] CALL assume_abort_if_not((var_1_19 >= 0.0F && var_1_19 <= -1.0e-20F) || (var_1_19 <= 4611686.018427382800e+12F && var_1_19 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=-11, var_1_11=1, var_1_12=1, var_1_13=1027/4, var_1_1=1, var_1_20=64, var_1_21=0, var_1_22=201/2, var_1_23=50, var_1_24=64, var_1_25=163/5, var_1_26=1, var_1_28=0, var_1_29=502/5, var_1_30=2, var_1_31=16, var_1_32=8, var_1_33=2, var_1_34=0, var_1_35=319/5, var_1_36=511/4, var_1_37=2/5, var_1_38=50, var_1_39=3554953517, var_1_40=0, var_1_41=4, var_1_4=1, var_1_5=0, var_1_8=0, var_1_9=256] [L20] COND FALSE !(!cond) [L153] RET assume_abort_if_not((var_1_19 >= 0.0F && var_1_19 <= -1.0e-20F) || (var_1_19 <= 4611686.018427382800e+12F && var_1_19 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=-11, var_1_11=1, var_1_12=1, var_1_13=1027/4, var_1_1=1, var_1_20=64, var_1_21=0, var_1_22=201/2, var_1_23=50, var_1_24=64, var_1_25=163/5, var_1_26=1, var_1_28=0, var_1_29=502/5, var_1_30=2, var_1_31=16, var_1_32=8, var_1_33=2, var_1_34=0, var_1_35=319/5, var_1_36=511/4, var_1_37=2/5, var_1_38=50, var_1_39=3554953517, var_1_40=0, var_1_41=4, var_1_4=1, var_1_5=0, var_1_8=0, var_1_9=256] [L154] var_1_21 = __VERIFIER_nondet_ushort() [L155] CALL assume_abort_if_not(var_1_21 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=-11, var_1_11=1, var_1_12=1, var_1_13=1027/4, var_1_1=1, var_1_20=64, var_1_22=201/2, var_1_23=50, var_1_24=64, var_1_25=163/5, var_1_26=1, var_1_28=0, var_1_29=502/5, var_1_30=2, var_1_31=16, var_1_32=8, var_1_33=2, var_1_34=0, var_1_35=319/5, var_1_36=511/4, var_1_37=2/5, var_1_38=50, var_1_39=3554953517, var_1_40=0, var_1_41=4, var_1_4=1, var_1_5=0, var_1_8=0, var_1_9=256] [L20] COND FALSE !(!cond) [L155] RET assume_abort_if_not(var_1_21 >= 0) VAL [isInitial=1, var_1_10=-11, var_1_11=1, var_1_12=1, var_1_13=1027/4, var_1_1=1, var_1_20=64, var_1_22=201/2, var_1_23=50, var_1_24=64, var_1_25=163/5, var_1_26=1, var_1_28=0, var_1_29=502/5, var_1_30=2, var_1_31=16, var_1_32=8, var_1_33=2, var_1_34=0, var_1_35=319/5, var_1_36=511/4, var_1_37=2/5, var_1_38=50, var_1_39=3554953517, var_1_40=0, var_1_41=4, var_1_4=1, var_1_5=0, var_1_8=0, var_1_9=256] [L156] CALL assume_abort_if_not(var_1_21 <= 32767) VAL [\old(cond)=1, isInitial=1, var_1_10=-11, var_1_11=1, var_1_12=1, var_1_13=1027/4, var_1_1=1, var_1_20=64, var_1_21=0, var_1_22=201/2, var_1_23=50, var_1_24=64, var_1_25=163/5, var_1_26=1, var_1_28=0, var_1_29=502/5, var_1_30=2, var_1_31=16, var_1_32=8, var_1_33=2, var_1_34=0, var_1_35=319/5, var_1_36=511/4, var_1_37=2/5, var_1_38=50, var_1_39=3554953517, var_1_40=0, var_1_41=4, var_1_4=1, var_1_5=0, var_1_8=0, var_1_9=256] [L20] COND FALSE !(!cond) [L156] RET assume_abort_if_not(var_1_21 <= 32767) VAL [isInitial=1, var_1_10=-11, var_1_11=1, var_1_12=1, var_1_13=1027/4, var_1_1=1, var_1_20=64, var_1_21=0, var_1_22=201/2, var_1_23=50, var_1_24=64, var_1_25=163/5, var_1_26=1, var_1_28=0, var_1_29=502/5, var_1_30=2, var_1_31=16, var_1_32=8, var_1_33=2, var_1_34=0, var_1_35=319/5, var_1_36=511/4, var_1_37=2/5, var_1_38=50, var_1_39=3554953517, var_1_40=0, var_1_41=4, var_1_4=1, var_1_5=0, var_1_8=0, var_1_9=256] [L157] var_1_24 = __VERIFIER_nondet_ushort() [L158] CALL assume_abort_if_not(var_1_24 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=-11, var_1_11=1, var_1_12=1, var_1_13=1027/4, var_1_1=1, var_1_20=64, var_1_21=0, var_1_22=201/2, var_1_23=50, var_1_25=163/5, var_1_26=1, var_1_28=0, var_1_29=502/5, var_1_30=2, var_1_31=16, var_1_32=8, var_1_33=2, var_1_34=0, var_1_35=319/5, var_1_36=511/4, var_1_37=2/5, var_1_38=50, var_1_39=3554953517, var_1_40=0, var_1_41=4, var_1_4=1, var_1_5=0, var_1_8=0, var_1_9=256] [L20] COND FALSE !(!cond) [L158] RET assume_abort_if_not(var_1_24 >= 0) VAL [isInitial=1, var_1_10=-11, var_1_11=1, var_1_12=1, var_1_13=1027/4, var_1_1=1, var_1_20=64, var_1_21=0, var_1_22=201/2, var_1_23=50, var_1_25=163/5, var_1_26=1, var_1_28=0, var_1_29=502/5, var_1_30=2, var_1_31=16, var_1_32=8, var_1_33=2, var_1_34=0, var_1_35=319/5, var_1_36=511/4, var_1_37=2/5, var_1_38=50, var_1_39=3554953517, var_1_40=0, var_1_41=4, var_1_4=1, var_1_5=0, var_1_8=0, var_1_9=256] [L159] CALL assume_abort_if_not(var_1_24 <= 32767) VAL [\old(cond)=1, isInitial=1, var_1_10=-11, var_1_11=1, var_1_12=1, var_1_13=1027/4, var_1_1=1, var_1_20=64, var_1_21=0, var_1_22=201/2, var_1_23=50, var_1_24=51, var_1_25=163/5, var_1_26=1, var_1_28=0, var_1_29=502/5, var_1_30=2, var_1_31=16, var_1_32=8, var_1_33=2, var_1_34=0, var_1_35=319/5, var_1_36=511/4, var_1_37=2/5, var_1_38=50, var_1_39=3554953517, var_1_40=0, var_1_41=4, var_1_4=1, var_1_5=0, var_1_8=0, var_1_9=256] [L20] COND FALSE !(!cond) [L159] RET assume_abort_if_not(var_1_24 <= 32767) VAL [isInitial=1, var_1_10=-11, var_1_11=1, var_1_12=1, var_1_13=1027/4, var_1_1=1, var_1_20=64, var_1_21=0, var_1_22=201/2, var_1_23=50, var_1_24=51, var_1_25=163/5, var_1_26=1, var_1_28=0, var_1_29=502/5, var_1_30=2, var_1_31=16, var_1_32=8, var_1_33=2, var_1_34=0, var_1_35=319/5, var_1_36=511/4, var_1_37=2/5, var_1_38=50, var_1_39=3554953517, var_1_40=0, var_1_41=4, var_1_4=1, var_1_5=0, var_1_8=0, var_1_9=256] [L160] var_1_28 = __VERIFIER_nondet_uchar() [L161] CALL assume_abort_if_not(var_1_28 >= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=-11, var_1_11=1, var_1_12=1, var_1_13=1027/4, var_1_1=1, var_1_20=64, var_1_21=0, var_1_22=201/2, var_1_23=50, var_1_24=51, var_1_25=163/5, var_1_26=1, var_1_28=1, var_1_29=502/5, var_1_30=2, var_1_31=16, var_1_32=8, var_1_33=2, var_1_34=0, var_1_35=319/5, var_1_36=511/4, var_1_37=2/5, var_1_38=50, var_1_39=3554953517, var_1_40=0, var_1_41=4, var_1_4=1, var_1_5=0, var_1_8=0, var_1_9=256] [L20] COND FALSE !(!cond) [L161] RET assume_abort_if_not(var_1_28 >= 1) VAL [isInitial=1, var_1_10=-11, var_1_11=1, var_1_12=1, var_1_13=1027/4, var_1_1=1, var_1_20=64, var_1_21=0, var_1_22=201/2, var_1_23=50, var_1_24=51, var_1_25=163/5, var_1_26=1, var_1_28=1, var_1_29=502/5, var_1_30=2, var_1_31=16, var_1_32=8, var_1_33=2, var_1_34=0, var_1_35=319/5, var_1_36=511/4, var_1_37=2/5, var_1_38=50, var_1_39=3554953517, var_1_40=0, var_1_41=4, var_1_4=1, var_1_5=0, var_1_8=0, var_1_9=256] [L162] CALL assume_abort_if_not(var_1_28 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=-11, var_1_11=1, var_1_12=1, var_1_13=1027/4, var_1_1=1, var_1_20=64, var_1_21=0, var_1_22=201/2, var_1_23=50, var_1_24=51, var_1_25=163/5, var_1_26=1, var_1_28=1, var_1_29=502/5, var_1_30=2, var_1_31=16, var_1_32=8, var_1_33=2, var_1_34=0, var_1_35=319/5, var_1_36=511/4, var_1_37=2/5, var_1_38=50, var_1_39=3554953517, var_1_40=0, var_1_41=4, var_1_4=1, var_1_5=0, var_1_8=0, var_1_9=256] [L20] COND FALSE !(!cond) [L162] RET assume_abort_if_not(var_1_28 <= 1) VAL [isInitial=1, var_1_10=-11, var_1_11=1, var_1_12=1, var_1_13=1027/4, var_1_1=1, var_1_20=64, var_1_21=0, var_1_22=201/2, var_1_23=50, var_1_24=51, var_1_25=163/5, var_1_26=1, var_1_28=1, var_1_29=502/5, var_1_30=2, var_1_31=16, var_1_32=8, var_1_33=2, var_1_34=0, var_1_35=319/5, var_1_36=511/4, var_1_37=2/5, var_1_38=50, var_1_39=3554953517, var_1_40=0, var_1_41=4, var_1_4=1, var_1_5=0, var_1_8=0, var_1_9=256] [L163] var_1_30 = __VERIFIER_nondet_short() [L164] CALL assume_abort_if_not(var_1_30 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=-11, var_1_11=1, var_1_12=1, var_1_13=1027/4, var_1_1=1, var_1_20=64, var_1_21=0, var_1_22=201/2, var_1_23=50, var_1_24=51, var_1_25=163/5, var_1_26=1, var_1_28=1, var_1_29=502/5, var_1_30=0, var_1_31=16, var_1_32=8, var_1_33=2, var_1_34=0, var_1_35=319/5, var_1_36=511/4, var_1_37=2/5, var_1_38=50, var_1_39=3554953517, var_1_40=0, var_1_41=4, var_1_4=1, var_1_5=0, var_1_8=0, var_1_9=256] [L20] COND FALSE !(!cond) [L164] RET assume_abort_if_not(var_1_30 >= 0) VAL [isInitial=1, var_1_10=-11, var_1_11=1, var_1_12=1, var_1_13=1027/4, var_1_1=1, var_1_20=64, var_1_21=0, var_1_22=201/2, var_1_23=50, var_1_24=51, var_1_25=163/5, var_1_26=1, var_1_28=1, var_1_29=502/5, var_1_30=0, var_1_31=16, var_1_32=8, var_1_33=2, var_1_34=0, var_1_35=319/5, var_1_36=511/4, var_1_37=2/5, var_1_38=50, var_1_39=3554953517, var_1_40=0, var_1_41=4, var_1_4=1, var_1_5=0, var_1_8=0, var_1_9=256] [L165] CALL assume_abort_if_not(var_1_30 <= 16384) VAL [\old(cond)=1, isInitial=1, var_1_10=-11, var_1_11=1, var_1_12=1, var_1_13=1027/4, var_1_1=1, var_1_20=64, var_1_21=0, var_1_22=201/2, var_1_23=50, var_1_24=51, var_1_25=163/5, var_1_26=1, var_1_28=1, var_1_29=502/5, var_1_30=0, var_1_31=16, var_1_32=8, var_1_33=2, var_1_34=0, var_1_35=319/5, var_1_36=511/4, var_1_37=2/5, var_1_38=50, var_1_39=3554953517, var_1_40=0, var_1_41=4, var_1_4=1, var_1_5=0, var_1_8=0, var_1_9=256] [L20] COND FALSE !(!cond) [L165] RET assume_abort_if_not(var_1_30 <= 16384) VAL [isInitial=1, var_1_10=-11, var_1_11=1, var_1_12=1, var_1_13=1027/4, var_1_1=1, var_1_20=64, var_1_21=0, var_1_22=201/2, var_1_23=50, var_1_24=51, var_1_25=163/5, var_1_26=1, var_1_28=1, var_1_29=502/5, var_1_30=0, var_1_31=16, var_1_32=8, var_1_33=2, var_1_34=0, var_1_35=319/5, var_1_36=511/4, var_1_37=2/5, var_1_38=50, var_1_39=3554953517, var_1_40=0, var_1_41=4, var_1_4=1, var_1_5=0, var_1_8=0, var_1_9=256] [L166] var_1_31 = __VERIFIER_nondet_short() [L167] CALL assume_abort_if_not(var_1_31 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=-11, var_1_11=1, var_1_12=1, var_1_13=1027/4, var_1_1=1, var_1_20=64, var_1_21=0, var_1_22=201/2, var_1_23=50, var_1_24=51, var_1_25=163/5, var_1_26=1, var_1_28=1, var_1_29=502/5, var_1_30=0, var_1_31=0, var_1_32=8, var_1_33=2, var_1_34=0, var_1_35=319/5, var_1_36=511/4, var_1_37=2/5, var_1_38=50, var_1_39=3554953517, var_1_40=0, var_1_41=4, var_1_4=1, var_1_5=0, var_1_8=0, var_1_9=256] [L20] COND FALSE !(!cond) [L167] RET assume_abort_if_not(var_1_31 >= 0) VAL [isInitial=1, var_1_10=-11, var_1_11=1, var_1_12=1, var_1_13=1027/4, var_1_1=1, var_1_20=64, var_1_21=0, var_1_22=201/2, var_1_23=50, var_1_24=51, var_1_25=163/5, var_1_26=1, var_1_28=1, var_1_29=502/5, var_1_30=0, var_1_31=0, var_1_32=8, var_1_33=2, var_1_34=0, var_1_35=319/5, var_1_36=511/4, var_1_37=2/5, var_1_38=50, var_1_39=3554953517, var_1_40=0, var_1_41=4, var_1_4=1, var_1_5=0, var_1_8=0, var_1_9=256] [L168] CALL assume_abort_if_not(var_1_31 <= 16383) VAL [\old(cond)=1, isInitial=1, var_1_10=-11, var_1_11=1, var_1_12=1, var_1_13=1027/4, var_1_1=1, var_1_20=64, var_1_21=0, var_1_22=201/2, var_1_23=50, var_1_24=51, var_1_25=163/5, var_1_26=1, var_1_28=1, var_1_29=502/5, var_1_30=0, var_1_31=0, var_1_32=8, var_1_33=2, var_1_34=0, var_1_35=319/5, var_1_36=511/4, var_1_37=2/5, var_1_38=50, var_1_39=3554953517, var_1_40=0, var_1_41=4, var_1_4=1, var_1_5=0, var_1_8=0, var_1_9=256] [L20] COND FALSE !(!cond) [L168] RET assume_abort_if_not(var_1_31 <= 16383) VAL [isInitial=1, var_1_10=-11, var_1_11=1, var_1_12=1, var_1_13=1027/4, var_1_1=1, var_1_20=64, var_1_21=0, var_1_22=201/2, var_1_23=50, var_1_24=51, var_1_25=163/5, var_1_26=1, var_1_28=1, var_1_29=502/5, var_1_30=0, var_1_31=0, var_1_32=8, var_1_33=2, var_1_34=0, var_1_35=319/5, var_1_36=511/4, var_1_37=2/5, var_1_38=50, var_1_39=3554953517, var_1_40=0, var_1_41=4, var_1_4=1, var_1_5=0, var_1_8=0, var_1_9=256] [L169] var_1_32 = __VERIFIER_nondet_short() [L170] CALL assume_abort_if_not(var_1_32 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=-11, var_1_11=1, var_1_12=1, var_1_13=1027/4, var_1_1=1, var_1_20=64, var_1_21=0, var_1_22=201/2, var_1_23=50, var_1_24=51, var_1_25=163/5, var_1_26=1, var_1_28=1, var_1_29=502/5, var_1_30=0, var_1_31=0, var_1_32=0, var_1_33=2, var_1_34=0, var_1_35=319/5, var_1_36=511/4, var_1_37=2/5, var_1_38=50, var_1_39=3554953517, var_1_40=0, var_1_41=4, var_1_4=1, var_1_5=0, var_1_8=0, var_1_9=256] [L20] COND FALSE !(!cond) [L170] RET assume_abort_if_not(var_1_32 >= 0) VAL [isInitial=1, var_1_10=-11, var_1_11=1, var_1_12=1, var_1_13=1027/4, var_1_1=1, var_1_20=64, var_1_21=0, var_1_22=201/2, var_1_23=50, var_1_24=51, var_1_25=163/5, var_1_26=1, var_1_28=1, var_1_29=502/5, var_1_30=0, var_1_31=0, var_1_32=0, var_1_33=2, var_1_34=0, var_1_35=319/5, var_1_36=511/4, var_1_37=2/5, var_1_38=50, var_1_39=3554953517, var_1_40=0, var_1_41=4, var_1_4=1, var_1_5=0, var_1_8=0, var_1_9=256] [L171] CALL assume_abort_if_not(var_1_32 <= 9) VAL [\old(cond)=1, isInitial=1, var_1_10=-11, var_1_11=1, var_1_12=1, var_1_13=1027/4, var_1_1=1, var_1_20=64, var_1_21=0, var_1_22=201/2, var_1_23=50, var_1_24=51, var_1_25=163/5, var_1_26=1, var_1_28=1, var_1_29=502/5, var_1_30=0, var_1_31=0, var_1_32=0, var_1_33=2, var_1_34=0, var_1_35=319/5, var_1_36=511/4, var_1_37=2/5, var_1_38=50, var_1_39=3554953517, var_1_40=0, var_1_41=4, var_1_4=1, var_1_5=0, var_1_8=0, var_1_9=256] [L20] COND FALSE !(!cond) [L171] RET assume_abort_if_not(var_1_32 <= 9) VAL [isInitial=1, var_1_10=-11, var_1_11=1, var_1_12=1, var_1_13=1027/4, var_1_1=1, var_1_20=64, var_1_21=0, var_1_22=201/2, var_1_23=50, var_1_24=51, var_1_25=163/5, var_1_26=1, var_1_28=1, var_1_29=502/5, var_1_30=0, var_1_31=0, var_1_32=0, var_1_33=2, var_1_34=0, var_1_35=319/5, var_1_36=511/4, var_1_37=2/5, var_1_38=50, var_1_39=3554953517, var_1_40=0, var_1_41=4, var_1_4=1, var_1_5=0, var_1_8=0, var_1_9=256] [L172] var_1_33 = __VERIFIER_nondet_short() [L173] CALL assume_abort_if_not(var_1_33 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=-11, var_1_11=1, var_1_12=1, var_1_13=1027/4, var_1_1=1, var_1_20=64, var_1_21=0, var_1_22=201/2, var_1_23=50, var_1_24=51, var_1_25=163/5, var_1_26=1, var_1_28=1, var_1_29=502/5, var_1_30=0, var_1_31=0, var_1_32=0, var_1_33=0, var_1_34=0, var_1_35=319/5, var_1_36=511/4, var_1_37=2/5, var_1_38=50, var_1_39=3554953517, var_1_40=0, var_1_41=4, var_1_4=1, var_1_5=0, var_1_8=0, var_1_9=256] [L20] COND FALSE !(!cond) [L173] RET assume_abort_if_not(var_1_33 >= 0) VAL [isInitial=1, var_1_10=-11, var_1_11=1, var_1_12=1, var_1_13=1027/4, var_1_1=1, var_1_20=64, var_1_21=0, var_1_22=201/2, var_1_23=50, var_1_24=51, var_1_25=163/5, var_1_26=1, var_1_28=1, var_1_29=502/5, var_1_30=0, var_1_31=0, var_1_32=0, var_1_33=0, var_1_34=0, var_1_35=319/5, var_1_36=511/4, var_1_37=2/5, var_1_38=50, var_1_39=3554953517, var_1_40=0, var_1_41=4, var_1_4=1, var_1_5=0, var_1_8=0, var_1_9=256] [L174] CALL assume_abort_if_not(var_1_33 <= 8) VAL [\old(cond)=1, isInitial=1, var_1_10=-11, var_1_11=1, var_1_12=1, var_1_13=1027/4, var_1_1=1, var_1_20=64, var_1_21=0, var_1_22=201/2, var_1_23=50, var_1_24=51, var_1_25=163/5, var_1_26=1, var_1_28=1, var_1_29=502/5, var_1_30=0, var_1_31=0, var_1_32=0, var_1_33=0, var_1_34=0, var_1_35=319/5, var_1_36=511/4, var_1_37=2/5, var_1_38=50, var_1_39=3554953517, var_1_40=0, var_1_41=4, var_1_4=1, var_1_5=0, var_1_8=0, var_1_9=256] [L20] COND FALSE !(!cond) [L174] RET assume_abort_if_not(var_1_33 <= 8) VAL [isInitial=1, var_1_10=-11, var_1_11=1, var_1_12=1, var_1_13=1027/4, var_1_1=1, var_1_20=64, var_1_21=0, var_1_22=201/2, var_1_23=50, var_1_24=51, var_1_25=163/5, var_1_26=1, var_1_28=1, var_1_29=502/5, var_1_30=0, var_1_31=0, var_1_32=0, var_1_33=0, var_1_34=0, var_1_35=319/5, var_1_36=511/4, var_1_37=2/5, var_1_38=50, var_1_39=3554953517, var_1_40=0, var_1_41=4, var_1_4=1, var_1_5=0, var_1_8=0, var_1_9=256] [L175] var_1_34 = __VERIFIER_nondet_double() [L176] CALL assume_abort_if_not((var_1_34 >= 4611686.018427382800e+12F && var_1_34 <= -1.0e-20F) || (var_1_34 <= 9223372.036854765600e+12F && var_1_34 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=-11, var_1_11=1, var_1_12=1, var_1_13=1027/4, var_1_1=1, var_1_20=64, var_1_21=0, var_1_22=201/2, var_1_23=50, var_1_24=51, var_1_25=163/5, var_1_26=1, var_1_28=1, var_1_29=502/5, var_1_30=0, var_1_31=0, var_1_32=0, var_1_33=0, var_1_35=319/5, var_1_36=511/4, var_1_37=2/5, var_1_38=50, var_1_39=3554953517, var_1_40=0, var_1_41=4, var_1_4=1, var_1_5=0, var_1_8=0, var_1_9=256] [L20] COND FALSE !(!cond) [L176] RET assume_abort_if_not((var_1_34 >= 4611686.018427382800e+12F && var_1_34 <= -1.0e-20F) || (var_1_34 <= 9223372.036854765600e+12F && var_1_34 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=-11, var_1_11=1, var_1_12=1, var_1_13=1027/4, var_1_1=1, var_1_20=64, var_1_21=0, var_1_22=201/2, var_1_23=50, var_1_24=51, var_1_25=163/5, var_1_26=1, var_1_28=1, var_1_29=502/5, var_1_30=0, var_1_31=0, var_1_32=0, var_1_33=0, var_1_35=319/5, var_1_36=511/4, var_1_37=2/5, var_1_38=50, var_1_39=3554953517, var_1_40=0, var_1_41=4, var_1_4=1, var_1_5=0, var_1_8=0, var_1_9=256] [L177] var_1_35 = __VERIFIER_nondet_double() [L178] CALL assume_abort_if_not((var_1_35 >= 0.0F && var_1_35 <= -1.0e-20F) || (var_1_35 <= 2305843.009213691390e+12F && var_1_35 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=-11, var_1_11=1, var_1_12=1, var_1_13=1027/4, var_1_1=1, var_1_20=64, var_1_21=0, var_1_22=201/2, var_1_23=50, var_1_24=51, var_1_25=163/5, var_1_26=1, var_1_28=1, var_1_29=502/5, var_1_30=0, var_1_31=0, var_1_32=0, var_1_33=0, var_1_36=511/4, var_1_37=2/5, var_1_38=50, var_1_39=3554953517, var_1_40=0, var_1_41=4, var_1_4=1, var_1_5=0, var_1_8=0, var_1_9=256] [L20] COND FALSE !(!cond) [L178] RET assume_abort_if_not((var_1_35 >= 0.0F && var_1_35 <= -1.0e-20F) || (var_1_35 <= 2305843.009213691390e+12F && var_1_35 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=-11, var_1_11=1, var_1_12=1, var_1_13=1027/4, var_1_1=1, var_1_20=64, var_1_21=0, var_1_22=201/2, var_1_23=50, var_1_24=51, var_1_25=163/5, var_1_26=1, var_1_28=1, var_1_29=502/5, var_1_30=0, var_1_31=0, var_1_32=0, var_1_33=0, var_1_36=511/4, var_1_37=2/5, var_1_38=50, var_1_39=3554953517, var_1_40=0, var_1_41=4, var_1_4=1, var_1_5=0, var_1_8=0, var_1_9=256] [L179] var_1_36 = __VERIFIER_nondet_double() [L180] CALL assume_abort_if_not((var_1_36 >= 0.0F && var_1_36 <= -1.0e-20F) || (var_1_36 <= 2305843.009213691390e+12F && var_1_36 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=-11, var_1_11=1, var_1_12=1, var_1_13=1027/4, var_1_1=1, var_1_20=64, var_1_21=0, var_1_22=201/2, var_1_23=50, var_1_24=51, var_1_25=163/5, var_1_26=1, var_1_28=1, var_1_29=502/5, var_1_30=0, var_1_31=0, var_1_32=0, var_1_33=0, var_1_37=2/5, var_1_38=50, var_1_39=3554953517, var_1_40=0, var_1_41=4, var_1_4=1, var_1_5=0, var_1_8=0, var_1_9=256] [L20] COND FALSE !(!cond) [L180] RET assume_abort_if_not((var_1_36 >= 0.0F && var_1_36 <= -1.0e-20F) || (var_1_36 <= 2305843.009213691390e+12F && var_1_36 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=-11, var_1_11=1, var_1_12=1, var_1_13=1027/4, var_1_1=1, var_1_20=64, var_1_21=0, var_1_22=201/2, var_1_23=50, var_1_24=51, var_1_25=163/5, var_1_26=1, var_1_28=1, var_1_29=502/5, var_1_30=0, var_1_31=0, var_1_32=0, var_1_33=0, var_1_37=2/5, var_1_38=50, var_1_39=3554953517, var_1_40=0, var_1_41=4, var_1_4=1, var_1_5=0, var_1_8=0, var_1_9=256] [L181] var_1_37 = __VERIFIER_nondet_double() [L182] CALL assume_abort_if_not((var_1_37 >= 0.0F && var_1_37 <= -1.0e-20F) || (var_1_37 <= 4611686.018427382800e+12F && var_1_37 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=-11, var_1_11=1, var_1_12=1, var_1_13=1027/4, var_1_1=1, var_1_20=64, var_1_21=0, var_1_22=201/2, var_1_23=50, var_1_24=51, var_1_25=163/5, var_1_26=1, var_1_28=1, var_1_29=502/5, var_1_30=0, var_1_31=0, var_1_32=0, var_1_33=0, var_1_38=50, var_1_39=3554953517, var_1_40=0, var_1_41=4, var_1_4=1, var_1_5=0, var_1_8=0, var_1_9=256] [L20] COND FALSE !(!cond) [L182] RET assume_abort_if_not((var_1_37 >= 0.0F && var_1_37 <= -1.0e-20F) || (var_1_37 <= 4611686.018427382800e+12F && var_1_37 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=-11, var_1_11=1, var_1_12=1, var_1_13=1027/4, var_1_1=1, var_1_20=64, var_1_21=0, var_1_22=201/2, var_1_23=50, var_1_24=51, var_1_25=163/5, var_1_26=1, var_1_28=1, var_1_29=502/5, var_1_30=0, var_1_31=0, var_1_32=0, var_1_33=0, var_1_38=50, var_1_39=3554953517, var_1_40=0, var_1_41=4, var_1_4=1, var_1_5=0, var_1_8=0, var_1_9=256] [L183] var_1_39 = __VERIFIER_nondet_ulong() [L184] CALL assume_abort_if_not(var_1_39 >= 3221225470) VAL [\old(cond)=1, isInitial=1, var_1_10=-11, var_1_11=1, var_1_12=1, var_1_13=1027/4, var_1_1=1, var_1_20=64, var_1_21=0, var_1_22=201/2, var_1_23=50, var_1_24=51, var_1_25=163/5, var_1_26=1, var_1_28=1, var_1_29=502/5, var_1_30=0, var_1_31=0, var_1_32=0, var_1_33=0, var_1_38=50, var_1_39=3221225470, var_1_40=0, var_1_41=4, var_1_4=1, var_1_5=0, var_1_8=0, var_1_9=256] [L20] COND FALSE !(!cond) [L184] RET assume_abort_if_not(var_1_39 >= 3221225470) VAL [isInitial=1, var_1_10=-11, var_1_11=1, var_1_12=1, var_1_13=1027/4, var_1_1=1, var_1_20=64, var_1_21=0, var_1_22=201/2, var_1_23=50, var_1_24=51, var_1_25=163/5, var_1_26=1, var_1_28=1, var_1_29=502/5, var_1_30=0, var_1_31=0, var_1_32=0, var_1_33=0, var_1_38=50, var_1_39=3221225470, var_1_40=0, var_1_41=4, var_1_4=1, var_1_5=0, var_1_8=0, var_1_9=256] [L185] CALL assume_abort_if_not(var_1_39 <= 4294967294) VAL [\old(cond)=1, isInitial=1, var_1_10=-11, var_1_11=1, var_1_12=1, var_1_13=1027/4, var_1_1=1, var_1_20=64, var_1_21=0, var_1_22=201/2, var_1_23=50, var_1_24=51, var_1_25=163/5, var_1_26=1, var_1_28=1, var_1_29=502/5, var_1_30=0, var_1_31=0, var_1_32=0, var_1_33=0, var_1_38=50, var_1_39=3221225470, var_1_40=0, var_1_41=4, var_1_4=1, var_1_5=0, var_1_8=0, var_1_9=256] [L20] COND FALSE !(!cond) [L185] RET assume_abort_if_not(var_1_39 <= 4294967294) VAL [isInitial=1, var_1_10=-11, var_1_11=1, var_1_12=1, var_1_13=1027/4, var_1_1=1, var_1_20=64, var_1_21=0, var_1_22=201/2, var_1_23=50, var_1_24=51, var_1_25=163/5, var_1_26=1, var_1_28=1, var_1_29=502/5, var_1_30=0, var_1_31=0, var_1_32=0, var_1_33=0, var_1_38=50, var_1_39=3221225470, var_1_40=0, var_1_41=4, var_1_4=1, var_1_5=0, var_1_8=0, var_1_9=256] [L199] RET updateVariables() [L200] CALL step() [L60] var_1_9 = ((((-10) < (var_1_10)) ? (-10) : (var_1_10))) [L61] var_1_11 = ((var_1_8 || var_1_4) && var_1_12) [L62] var_1_20 = (45013 - var_1_21) [L63] var_1_22 = ((((((((((((var_1_15) > (var_1_16)) ? (var_1_15) : (var_1_16)))) > (var_1_19)) ? (((((var_1_15) > (var_1_16)) ? (var_1_15) : (var_1_16)))) : (var_1_19)))) > (var_1_17)) ? (((((((((var_1_15) > (var_1_16)) ? (var_1_15) : (var_1_16)))) > (var_1_19)) ? (((((var_1_15) > (var_1_16)) ? (var_1_15) : (var_1_16)))) : (var_1_19)))) : (var_1_17))) [L64] COND FALSE !((9999999.6 / var_1_18) > var_1_16) [L67] var_1_25 = (((((((((var_1_19) > (999.5)) ? (var_1_19) : (999.5))) - var_1_17)) > (var_1_16)) ? ((((((var_1_19) > (999.5)) ? (var_1_19) : (999.5))) - var_1_17)) : (var_1_16))) [L68] var_1_40 = var_1_28 [L69] var_1_41 = 10 [L70] COND FALSE !(var_1_9 >= var_1_23) [L73] signed long int stepLocal_0 = var_1_20 - var_1_23; [L74] COND FALSE !(var_1_20 <= stepLocal_0) [L77] var_1_5 = (! (! var_1_8)) [L79] unsigned short int stepLocal_1 = var_1_23; [L80] COND TRUE \read(var_1_1) [L81] COND FALSE !(stepLocal_1 > var_1_23) [L87] unsigned short int stepLocal_5 = var_1_41; [L88] signed long int stepLocal_4 = (var_1_30 + var_1_31) - var_1_21; [L89] EXPR var_1_21 >> (var_1_32 + var_1_33) [L89] signed long int stepLocal_3 = var_1_21 >> (var_1_32 + var_1_33); [L90] COND TRUE \read(var_1_12) [L91] EXPR var_1_9 >> var_1_41 [L91] COND FALSE !(stepLocal_5 <= (var_1_9 >> var_1_41)) [L101] signed short int stepLocal_9 = var_1_9; [L102] EXPR var_1_31 & (var_1_20 * var_1_20) [L102] signed long int stepLocal_8 = var_1_31 & (var_1_20 * var_1_20); [L103] EXPR var_1_30 >> var_1_9 [L103] signed long int stepLocal_7 = var_1_30 >> var_1_9; [L104] unsigned short int stepLocal_6 = var_1_20; [L105] COND FALSE !(var_1_17 >= (- var_1_34)) [L114] EXPR var_1_9 ^ var_1_32 [L114] COND TRUE stepLocal_9 <= (var_1_9 ^ var_1_32) [L115] COND FALSE !(var_1_15 <= var_1_13) [L122] var_1_38 = var_1_21 [L126] signed long int stepLocal_2 = var_1_24 * var_1_23; [L127] COND TRUE stepLocal_2 > (var_1_41 - var_1_38) [L128] var_1_26 = (! ((var_1_4 && var_1_12) && var_1_28)) [L200] RET step() [L201] CALL, EXPR property() [L190] EXPR (((((((((((var_1_9 >= var_1_23) ? (var_1_1 == ((unsigned char) (! var_1_4))) : 1) && ((var_1_20 <= (var_1_20 - var_1_23)) ? (var_1_5 == ((unsigned char) (var_1_1 || var_1_4))) : (var_1_5 == ((unsigned char) (! (! var_1_8)))))) && (var_1_9 == ((signed short int) ((((-10) < (var_1_10)) ? (-10) : (var_1_10)))))) && (var_1_11 == ((unsigned char) ((var_1_8 || var_1_4) && var_1_12)))) && (var_1_1 ? ((var_1_23 > var_1_23) ? (var_1_13 == ((float) ((((var_1_15) > (var_1_16)) ? (var_1_15) : (var_1_16))))) : 1) : (var_1_13 == ((float) ((((var_1_17 - (var_1_18 - var_1_19)) < 0 ) ? -(var_1_17 - (var_1_18 - var_1_19)) : (var_1_17 - (var_1_18 - var_1_19)))))))) && (var_1_20 == ((unsigned short int) (45013 - var_1_21)))) && (var_1_22 == ((float) ((((((((((((var_1_15) > (var_1_16)) ? (var_1_15) : (var_1_16)))) > (var_1_19)) ? (((((var_1_15) > (var_1_16)) ? (var_1_15) : (var_1_16)))) : (var_1_19)))) > (var_1_17)) ? (((((((((var_1_15) > (var_1_16)) ? (var_1_15) : (var_1_16)))) > (var_1_19)) ? (((((var_1_15) > (var_1_16)) ? (var_1_15) : (var_1_16)))) : (var_1_19)))) : (var_1_17)))))) && (((9999999.6 / var_1_18) > var_1_16) ? (var_1_23 == ((unsigned short int) ((((var_1_21 + var_1_24) < 0 ) ? -(var_1_21 + var_1_24) : (var_1_21 + var_1_24))))) : 1)) && (var_1_25 == ((double) (((((((((var_1_19) > (999.5)) ? (var_1_19) : (999.5))) - var_1_17)) > (var_1_16)) ? ((((((var_1_19) > (999.5)) ? (var_1_19) : (999.5))) - var_1_17)) : (var_1_16)))))) && (((var_1_24 * var_1_23) > (var_1_41 - var_1_38)) ? (var_1_26 == ((unsigned char) (! ((var_1_4 && var_1_12) && var_1_28)))) : 1)) && (var_1_12 ? ((var_1_41 <= (var_1_9 >> var_1_41)) ? ((((var_1_30 + var_1_31) - var_1_21) >= 128) ? (((var_1_24 - var_1_41) <= (var_1_21 >> (var_1_32 + var_1_33))) ? (var_1_29 == ((double) (-0.4 + var_1_19))) : (var_1_29 == ((double) ((((((var_1_18) < (var_1_34)) ? (var_1_18) : (var_1_34))) - var_1_19) - ((var_1_35 + var_1_36) + var_1_37))))) : 1) : 1) : 1) [L190] EXPR ((((((((((((var_1_9 >= var_1_23) ? (var_1_1 == ((unsigned char) (! var_1_4))) : 1) && ((var_1_20 <= (var_1_20 - var_1_23)) ? (var_1_5 == ((unsigned char) (var_1_1 || var_1_4))) : (var_1_5 == ((unsigned char) (! (! var_1_8)))))) && (var_1_9 == ((signed short int) ((((-10) < (var_1_10)) ? (-10) : (var_1_10)))))) && (var_1_11 == ((unsigned char) ((var_1_8 || var_1_4) && var_1_12)))) && (var_1_1 ? ((var_1_23 > var_1_23) ? (var_1_13 == ((float) ((((var_1_15) > (var_1_16)) ? (var_1_15) : (var_1_16))))) : 1) : (var_1_13 == ((float) ((((var_1_17 - (var_1_18 - var_1_19)) < 0 ) ? -(var_1_17 - (var_1_18 - var_1_19)) : (var_1_17 - (var_1_18 - var_1_19)))))))) && (var_1_20 == ((unsigned short int) (45013 - var_1_21)))) && (var_1_22 == ((float) ((((((((((((var_1_15) > (var_1_16)) ? (var_1_15) : (var_1_16)))) > (var_1_19)) ? (((((var_1_15) > (var_1_16)) ? (var_1_15) : (var_1_16)))) : (var_1_19)))) > (var_1_17)) ? (((((((((var_1_15) > (var_1_16)) ? (var_1_15) : (var_1_16)))) > (var_1_19)) ? (((((var_1_15) > (var_1_16)) ? (var_1_15) : (var_1_16)))) : (var_1_19)))) : (var_1_17)))))) && (((9999999.6 / var_1_18) > var_1_16) ? (var_1_23 == ((unsigned short int) ((((var_1_21 + var_1_24) < 0 ) ? -(var_1_21 + var_1_24) : (var_1_21 + var_1_24))))) : 1)) && (var_1_25 == ((double) (((((((((var_1_19) > (999.5)) ? (var_1_19) : (999.5))) - var_1_17)) > (var_1_16)) ? ((((((var_1_19) > (999.5)) ? (var_1_19) : (999.5))) - var_1_17)) : (var_1_16)))))) && (((var_1_24 * var_1_23) > (var_1_41 - var_1_38)) ? (var_1_26 == ((unsigned char) (! ((var_1_4 && var_1_12) && var_1_28)))) : 1)) && (var_1_12 ? ((var_1_41 <= (var_1_9 >> var_1_41)) ? ((((var_1_30 + var_1_31) - var_1_21) >= 128) ? (((var_1_24 - var_1_41) <= (var_1_21 >> (var_1_32 + var_1_33))) ? (var_1_29 == ((double) (-0.4 + var_1_19))) : (var_1_29 == ((double) ((((((var_1_18) < (var_1_34)) ? (var_1_18) : (var_1_34))) - var_1_19) - ((var_1_35 + var_1_36) + var_1_37))))) : 1) : 1) : 1)) && ((var_1_17 >= (- var_1_34)) ? ((var_1_20 <= -1) ? (((~ var_1_30) > (var_1_31 & (var_1_20 * var_1_20))) ? (var_1_38 == ((unsigned long int) var_1_24)) : 1) : (var_1_38 == ((unsigned long int) ((var_1_39 - (var_1_20 + 500u)) - 4u)))) : ((var_1_9 <= (var_1_9 ^ var_1_32)) ? ((var_1_15 <= var_1_13) ? (((var_1_24 * var_1_9) <= (var_1_30 >> var_1_9)) ? (var_1_38 == ((unsigned long int) var_1_41)) : (var_1_38 == ((unsigned long int) var_1_39))) : (var_1_38 == ((unsigned long int) var_1_21))) : 1)) [L190-L191] return ((((((((((((((var_1_9 >= var_1_23) ? (var_1_1 == ((unsigned char) (! var_1_4))) : 1) && ((var_1_20 <= (var_1_20 - var_1_23)) ? (var_1_5 == ((unsigned char) (var_1_1 || var_1_4))) : (var_1_5 == ((unsigned char) (! (! var_1_8)))))) && (var_1_9 == ((signed short int) ((((-10) < (var_1_10)) ? (-10) : (var_1_10)))))) && (var_1_11 == ((unsigned char) ((var_1_8 || var_1_4) && var_1_12)))) && (var_1_1 ? ((var_1_23 > var_1_23) ? (var_1_13 == ((float) ((((var_1_15) > (var_1_16)) ? (var_1_15) : (var_1_16))))) : 1) : (var_1_13 == ((float) ((((var_1_17 - (var_1_18 - var_1_19)) < 0 ) ? -(var_1_17 - (var_1_18 - var_1_19)) : (var_1_17 - (var_1_18 - var_1_19)))))))) && (var_1_20 == ((unsigned short int) (45013 - var_1_21)))) && (var_1_22 == ((float) ((((((((((((var_1_15) > (var_1_16)) ? (var_1_15) : (var_1_16)))) > (var_1_19)) ? (((((var_1_15) > (var_1_16)) ? (var_1_15) : (var_1_16)))) : (var_1_19)))) > (var_1_17)) ? (((((((((var_1_15) > (var_1_16)) ? (var_1_15) : (var_1_16)))) > (var_1_19)) ? (((((var_1_15) > (var_1_16)) ? (var_1_15) : (var_1_16)))) : (var_1_19)))) : (var_1_17)))))) && (((9999999.6 / var_1_18) > var_1_16) ? (var_1_23 == ((unsigned short int) ((((var_1_21 + var_1_24) < 0 ) ? -(var_1_21 + var_1_24) : (var_1_21 + var_1_24))))) : 1)) && (var_1_25 == ((double) (((((((((var_1_19) > (999.5)) ? (var_1_19) : (999.5))) - var_1_17)) > (var_1_16)) ? ((((((var_1_19) > (999.5)) ? (var_1_19) : (999.5))) - var_1_17)) : (var_1_16)))))) && (((var_1_24 * var_1_23) > (var_1_41 - var_1_38)) ? (var_1_26 == ((unsigned char) (! ((var_1_4 && var_1_12) && var_1_28)))) : 1)) && (var_1_12 ? ((var_1_41 <= (var_1_9 >> var_1_41)) ? ((((var_1_30 + var_1_31) - var_1_21) >= 128) ? (((var_1_24 - var_1_41) <= (var_1_21 >> (var_1_32 + var_1_33))) ? (var_1_29 == ((double) (-0.4 + var_1_19))) : (var_1_29 == ((double) ((((((var_1_18) < (var_1_34)) ? (var_1_18) : (var_1_34))) - var_1_19) - ((var_1_35 + var_1_36) + var_1_37))))) : 1) : 1) : 1)) && ((var_1_17 >= (- var_1_34)) ? ((var_1_20 <= -1) ? (((~ var_1_30) > (var_1_31 & (var_1_20 * var_1_20))) ? (var_1_38 == ((unsigned long int) var_1_24)) : 1) : (var_1_38 == ((unsigned long int) ((var_1_39 - (var_1_20 + 500u)) - 4u)))) : ((var_1_9 <= (var_1_9 ^ var_1_32)) ? ((var_1_15 <= var_1_13) ? (((var_1_24 * var_1_9) <= (var_1_30 >> var_1_9)) ? (var_1_38 == ((unsigned long int) var_1_41)) : (var_1_38 == ((unsigned long int) var_1_39))) : (var_1_38 == ((unsigned long int) var_1_21))) : 1))) && (var_1_40 == ((unsigned char) var_1_28))) && (var_1_41 == ((unsigned short int) 10)) ; [L201] RET, EXPR property() [L201] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, var_1_10=-11, var_1_11=1, var_1_12=1, var_1_13=1027/4, var_1_15=3, var_1_16=0, var_1_17=0, var_1_19=0, var_1_1=1, var_1_20=45013, var_1_21=0, var_1_22=3, var_1_23=50, var_1_24=51, var_1_25=2, var_1_26=0, var_1_28=1, var_1_29=502/5, var_1_30=0, var_1_31=0, var_1_32=0, var_1_33=0, var_1_38=0, var_1_39=3221225470, var_1_40=1, var_1_41=10, var_1_4=1, var_1_5=0, var_1_8=0, var_1_9=-11] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, var_1_10=-11, var_1_11=1, var_1_12=1, var_1_13=1027/4, var_1_15=3, var_1_16=0, var_1_17=0, var_1_19=0, var_1_1=1, var_1_20=45013, var_1_21=0, var_1_22=3, var_1_23=50, var_1_24=51, var_1_25=2, var_1_26=0, var_1_28=1, var_1_29=502/5, var_1_30=0, var_1_31=0, var_1_32=0, var_1_33=0, var_1_38=0, var_1_39=3221225470, var_1_40=1, var_1_41=10, var_1_4=1, var_1_5=0, var_1_8=0, var_1_9=-11] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 63 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.2s, OverallIterations: 1, TraceHistogramMax: 33, 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=63occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 124 NumberOfCodeBlocks, 124 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 13:40:17,152 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b75af4c-0d9a-4498-8c96-5647b9038d7e/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b75af4c-0d9a-4498-8c96-5647b9038d7e/bin/utaipan-verify-nQ1chXbOIh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b75af4c-0d9a-4498-8c96-5647b9038d7e/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_3b75af4c-0d9a-4498-8c96-5647b9038d7e/bin/utaipan-verify-nQ1chXbOIh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b75af4c-0d9a-4498-8c96-5647b9038d7e/bin/utaipan-verify-nQ1chXbOIh/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-44.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b75af4c-0d9a-4498-8c96-5647b9038d7e/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_3b75af4c-0d9a-4498-8c96-5647b9038d7e/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 adb5fb4d805ca2a5692f9b69f128d488862bca1b1bd46cb53a0587439b8a768f --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 13:40:19,124 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 13:40:19,194 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b75af4c-0d9a-4498-8c96-5647b9038d7e/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2023-12-02 13:40:19,199 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 13:40:19,200 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-02 13:40:19,227 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 13:40:19,228 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-02 13:40:19,228 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-02 13:40:19,229 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 13:40:19,229 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-02 13:40:19,230 INFO L153 SettingsManager]: * User list type=DISABLED [2023-12-02 13:40:19,231 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-12-02 13:40:19,232 INFO L153 SettingsManager]: * Explicit value domain=true [2023-12-02 13:40:19,232 INFO L153 SettingsManager]: * Octagon Domain=false [2023-12-02 13:40:19,233 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-12-02 13:40:19,234 INFO L153 SettingsManager]: * Interval Domain=false [2023-12-02 13:40:19,235 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 13:40:19,236 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 13:40:19,236 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 13:40:19,237 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 13:40:19,237 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 13:40:19,238 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 13:40:19,238 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 13:40:19,239 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 13:40:19,239 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-02 13:40:19,240 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-02 13:40:19,240 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-02 13:40:19,240 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 13:40:19,241 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 13:40:19,241 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 13:40:19,241 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 13:40:19,242 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-02 13:40:19,242 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-02 13:40:19,242 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-02 13:40:19,243 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 13:40:19,243 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 13:40:19,243 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 13:40:19,243 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 13:40:19,243 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-02 13:40:19,244 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 13:40:19,244 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-02 13:40:19,244 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 13:40:19,244 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-12-02 13:40:19,245 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 13:40:19,245 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_3b75af4c-0d9a-4498-8c96-5647b9038d7e/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b75af4c-0d9a-4498-8c96-5647b9038d7e/bin/utaipan-verify-nQ1chXbOIh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> adb5fb4d805ca2a5692f9b69f128d488862bca1b1bd46cb53a0587439b8a768f [2023-12-02 13:40:19,561 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 13:40:19,583 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 13:40:19,585 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 13:40:19,587 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 13:40:19,587 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 13:40:19,589 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b75af4c-0d9a-4498-8c96-5647b9038d7e/bin/utaipan-verify-nQ1chXbOIh/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-44.i [2023-12-02 13:40:22,480 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 13:40:22,706 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 13:40:22,707 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b75af4c-0d9a-4498-8c96-5647b9038d7e/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-44.i [2023-12-02 13:40:22,720 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b75af4c-0d9a-4498-8c96-5647b9038d7e/bin/utaipan-verify-nQ1chXbOIh/data/77fa98ae9/47753bdda60f47ae855e9c5f52d600f7/FLAGdee1696ee [2023-12-02 13:40:22,733 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b75af4c-0d9a-4498-8c96-5647b9038d7e/bin/utaipan-verify-nQ1chXbOIh/data/77fa98ae9/47753bdda60f47ae855e9c5f52d600f7 [2023-12-02 13:40:22,736 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 13:40:22,737 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 13:40:22,738 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 13:40:22,739 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 13:40:22,743 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 13:40:22,744 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 01:40:22" (1/1) ... [2023-12-02 13:40:22,745 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@589a297f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:40:22, skipping insertion in model container [2023-12-02 13:40:22,746 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 01:40:22" (1/1) ... [2023-12-02 13:40:22,787 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 13:40:22,920 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_3b75af4c-0d9a-4498-8c96-5647b9038d7e/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-44.i[916,929] [2023-12-02 13:40:23,008 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 13:40:23,024 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 13:40:23,035 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_3b75af4c-0d9a-4498-8c96-5647b9038d7e/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-44.i[916,929] [2023-12-02 13:40:23,091 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 13:40:23,111 INFO L206 MainTranslator]: Completed translation [2023-12-02 13:40:23,111 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:40:23 WrapperNode [2023-12-02 13:40:23,112 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 13:40:23,113 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 13:40:23,113 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 13:40:23,113 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 13:40:23,119 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:40:23" (1/1) ... [2023-12-02 13:40:23,137 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:40:23" (1/1) ... [2023-12-02 13:40:23,174 INFO L138 Inliner]: procedures = 27, calls = 46, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 217 [2023-12-02 13:40:23,175 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 13:40:23,175 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 13:40:23,176 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 13:40:23,176 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 13:40:23,186 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:40:23" (1/1) ... [2023-12-02 13:40:23,186 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:40:23" (1/1) ... [2023-12-02 13:40:23,194 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:40:23" (1/1) ... [2023-12-02 13:40:23,194 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:40:23" (1/1) ... [2023-12-02 13:40:23,213 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:40:23" (1/1) ... [2023-12-02 13:40:23,217 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:40:23" (1/1) ... [2023-12-02 13:40:23,222 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:40:23" (1/1) ... [2023-12-02 13:40:23,225 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:40:23" (1/1) ... [2023-12-02 13:40:23,232 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 13:40:23,234 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 13:40:23,234 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 13:40:23,234 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 13:40:23,235 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:40:23" (1/1) ... [2023-12-02 13:40:23,242 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 13:40:23,256 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b75af4c-0d9a-4498-8c96-5647b9038d7e/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 13:40:23,268 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b75af4c-0d9a-4498-8c96-5647b9038d7e/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-12-02 13:40:23,282 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b75af4c-0d9a-4498-8c96-5647b9038d7e/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-12-02 13:40:23,309 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 13:40:23,309 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-02 13:40:23,309 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-02 13:40:23,309 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-02 13:40:23,309 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 13:40:23,309 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 13:40:23,417 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 13:40:23,420 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 13:40:34,887 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 13:40:34,955 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 13:40:34,956 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-02 13:40:34,956 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 01:40:34 BoogieIcfgContainer [2023-12-02 13:40:34,957 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 13:40:34,959 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-02 13:40:34,960 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-02 13:40:34,962 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-02 13:40:34,962 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 01:40:22" (1/3) ... [2023-12-02 13:40:34,963 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2fb57e71 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 01:40:34, skipping insertion in model container [2023-12-02 13:40:34,963 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:40:23" (2/3) ... [2023-12-02 13:40:34,963 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2fb57e71 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 01:40:34, skipping insertion in model container [2023-12-02 13:40:34,964 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 01:40:34" (3/3) ... [2023-12-02 13:40:34,965 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_100-1loop_file-44.i [2023-12-02 13:40:34,981 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-02 13:40:34,981 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-02 13:40:35,028 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-02 13:40:35,034 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;@3ab32ed6, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-02 13:40:35,035 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-02 13:40:35,038 INFO L276 IsEmpty]: Start isEmpty. Operand has 89 states, 53 states have (on average 1.3962264150943395) internal successors, (74), 54 states have internal predecessors, (74), 33 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 33 states have call predecessors, (33), 33 states have call successors, (33) [2023-12-02 13:40:35,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2023-12-02 13:40:35,056 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 13:40:35,057 INFO L195 NwaCegarLoop]: trace histogram [33, 33, 33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:40:35,058 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 13:40:35,063 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 13:40:35,063 INFO L85 PathProgramCache]: Analyzing trace with hash -1805434240, now seen corresponding path program 1 times [2023-12-02 13:40:35,077 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 13:40:35,077 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1759144906] [2023-12-02 13:40:35,077 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:40:35,078 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 13:40:35,078 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b75af4c-0d9a-4498-8c96-5647b9038d7e/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 13:40:35,079 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b75af4c-0d9a-4498-8c96-5647b9038d7e/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 13:40:35,085 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b75af4c-0d9a-4498-8c96-5647b9038d7e/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 13:40:36,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:40:36,704 INFO L262 TraceCheckSpWp]: Trace formula consists of 337 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 13:40:36,718 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 13:40:36,776 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 944 proven. 0 refuted. 0 times theorem prover too weak. 1168 trivial. 0 not checked. [2023-12-02 13:40:36,777 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 13:40:36,778 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 13:40:36,778 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1759144906] [2023-12-02 13:40:36,779 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1759144906] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 13:40:36,779 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 13:40:36,779 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-02 13:40:36,781 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [520512118] [2023-12-02 13:40:36,782 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 13:40:36,787 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-12-02 13:40:36,787 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 13:40:36,818 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-12-02 13:40:36,819 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-02 13:40:36,821 INFO L87 Difference]: Start difference. First operand has 89 states, 53 states have (on average 1.3962264150943395) internal successors, (74), 54 states have internal predecessors, (74), 33 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 33 states have call predecessors, (33), 33 states have call successors, (33) Second operand has 2 states, 2 states have (on average 23.5) internal successors, (47), 2 states have internal predecessors, (47), 2 states have call successors, (33), 2 states have call predecessors, (33), 2 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) [2023-12-02 13:40:40,059 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.16s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 13:40:40,378 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 13:40:40,378 INFO L93 Difference]: Finished difference Result 176 states and 310 transitions. [2023-12-02 13:40:40,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 13:40:40,381 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 23.5) internal successors, (47), 2 states have internal predecessors, (47), 2 states have call successors, (33), 2 states have call predecessors, (33), 2 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) Word has length 205 [2023-12-02 13:40:40,382 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 13:40:40,392 INFO L225 Difference]: With dead ends: 176 [2023-12-02 13:40:40,392 INFO L226 Difference]: Without dead ends: 86 [2023-12-02 13:40:40,397 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 204 GetRequests, 204 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 13:40:40,401 INFO L413 NwaCegarLoop]: 129 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 129 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.5s IncrementalHoareTripleChecker+Time [2023-12-02 13:40:40,402 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 129 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 1 Unknown, 0 Unchecked, 3.5s Time] [2023-12-02 13:40:40,418 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86 states. [2023-12-02 13:40:40,444 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86 to 86. [2023-12-02 13:40:40,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 86 states, 51 states have (on average 1.2941176470588236) internal successors, (66), 51 states have internal predecessors, (66), 33 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 33 states have call predecessors, (33), 33 states have call successors, (33) [2023-12-02 13:40:40,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 86 states and 132 transitions. [2023-12-02 13:40:40,448 INFO L78 Accepts]: Start accepts. Automaton has 86 states and 132 transitions. Word has length 205 [2023-12-02 13:40:40,449 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 13:40:40,449 INFO L495 AbstractCegarLoop]: Abstraction has 86 states and 132 transitions. [2023-12-02 13:40:40,449 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 23.5) internal successors, (47), 2 states have internal predecessors, (47), 2 states have call successors, (33), 2 states have call predecessors, (33), 2 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) [2023-12-02 13:40:40,449 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 132 transitions. [2023-12-02 13:40:40,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2023-12-02 13:40:40,453 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 13:40:40,453 INFO L195 NwaCegarLoop]: trace histogram [33, 33, 33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:40:40,476 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b75af4c-0d9a-4498-8c96-5647b9038d7e/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 13:40:40,654 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b75af4c-0d9a-4498-8c96-5647b9038d7e/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 13:40:40,654 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 13:40:40,655 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 13:40:40,656 INFO L85 PathProgramCache]: Analyzing trace with hash -1845963134, now seen corresponding path program 1 times [2023-12-02 13:40:40,657 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 13:40:40,657 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1290200052] [2023-12-02 13:40:40,657 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:40:40,658 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 13:40:40,658 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b75af4c-0d9a-4498-8c96-5647b9038d7e/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 13:40:40,659 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b75af4c-0d9a-4498-8c96-5647b9038d7e/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 13:40:40,660 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b75af4c-0d9a-4498-8c96-5647b9038d7e/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 13:40:42,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:40:42,246 INFO L262 TraceCheckSpWp]: Trace formula consists of 337 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-02 13:40:42,256 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 13:40:45,244 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2112 trivial. 0 not checked. [2023-12-02 13:40:45,244 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 13:40:45,244 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 13:40:45,245 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1290200052] [2023-12-02 13:40:45,245 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1290200052] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 13:40:45,245 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 13:40:45,246 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-02 13:40:45,246 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1384841739] [2023-12-02 13:40:45,246 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 13:40:45,249 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-02 13:40:45,249 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 13:40:45,250 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-02 13:40:45,250 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 13:40:45,251 INFO L87 Difference]: Start difference. First operand 86 states and 132 transitions. Second operand has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 2 states have internal predecessors, (43), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2023-12-02 13:40:48,729 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.97s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 13:40:50,757 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 13:40:52,790 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 13:40:53,148 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 13:40:53,149 INFO L93 Difference]: Finished difference Result 256 states and 394 transitions. [2023-12-02 13:40:53,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 13:40:53,150 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 2 states have internal predecessors, (43), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) Word has length 205 [2023-12-02 13:40:53,152 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 13:40:53,156 INFO L225 Difference]: With dead ends: 256 [2023-12-02 13:40:53,156 INFO L226 Difference]: Without dead ends: 171 [2023-12-02 13:40:53,158 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 204 GetRequests, 203 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 13:40:53,159 INFO L413 NwaCegarLoop]: 151 mSDtfsCounter, 32 mSDsluCounter, 124 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 0 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 275 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.9s IncrementalHoareTripleChecker+Time [2023-12-02 13:40:53,160 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [32 Valid, 275 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 12 Invalid, 3 Unknown, 0 Unchecked, 7.9s Time] [2023-12-02 13:40:53,162 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 171 states. [2023-12-02 13:40:53,201 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 171 to 169. [2023-12-02 13:40:53,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 169 states, 100 states have (on average 1.29) internal successors, (129), 100 states have internal predecessors, (129), 66 states have call successors, (66), 2 states have call predecessors, (66), 2 states have return successors, (66), 66 states have call predecessors, (66), 66 states have call successors, (66) [2023-12-02 13:40:53,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 169 states and 261 transitions. [2023-12-02 13:40:53,206 INFO L78 Accepts]: Start accepts. Automaton has 169 states and 261 transitions. Word has length 205 [2023-12-02 13:40:53,208 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 13:40:53,208 INFO L495 AbstractCegarLoop]: Abstraction has 169 states and 261 transitions. [2023-12-02 13:40:53,208 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 2 states have internal predecessors, (43), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2023-12-02 13:40:53,208 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 261 transitions. [2023-12-02 13:40:53,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2023-12-02 13:40:53,213 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 13:40:53,214 INFO L195 NwaCegarLoop]: trace histogram [33, 33, 33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:40:53,239 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b75af4c-0d9a-4498-8c96-5647b9038d7e/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 13:40:53,414 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b75af4c-0d9a-4498-8c96-5647b9038d7e/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 13:40:53,415 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 13:40:53,415 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 13:40:53,415 INFO L85 PathProgramCache]: Analyzing trace with hash -566099456, now seen corresponding path program 1 times [2023-12-02 13:40:53,416 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 13:40:53,416 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [326211109] [2023-12-02 13:40:53,416 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:40:53,417 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 13:40:53,417 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b75af4c-0d9a-4498-8c96-5647b9038d7e/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 13:40:53,418 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b75af4c-0d9a-4498-8c96-5647b9038d7e/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 13:40:53,419 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b75af4c-0d9a-4498-8c96-5647b9038d7e/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2023-12-02 13:40:54,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:40:54,860 INFO L262 TraceCheckSpWp]: Trace formula consists of 338 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-02 13:40:54,866 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 13:40:55,171 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2112 trivial. 0 not checked. [2023-12-02 13:40:55,171 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 13:40:55,171 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 13:40:55,171 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [326211109] [2023-12-02 13:40:55,172 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [326211109] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 13:40:55,172 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 13:40:55,172 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-02 13:40:55,172 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [427618280] [2023-12-02 13:40:55,173 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 13:40:55,174 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-02 13:40:55,174 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 13:40:55,175 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-02 13:40:55,175 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 13:40:55,176 INFO L87 Difference]: Start difference. First operand 169 states and 261 transitions. Second operand has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2023-12-02 13:40:58,344 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.99s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-02 13:40:58,714 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 13:40:58,714 INFO L93 Difference]: Finished difference Result 311 states and 478 transitions. [2023-12-02 13:40:58,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 13:40:58,715 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) Word has length 205 [2023-12-02 13:40:58,717 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 13:40:58,719 INFO L225 Difference]: With dead ends: 311 [2023-12-02 13:40:58,719 INFO L226 Difference]: Without dead ends: 143 [2023-12-02 13:40:58,722 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 204 GetRequests, 203 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 13:40:58,724 INFO L413 NwaCegarLoop]: 204 mSDtfsCounter, 121 mSDsluCounter, 89 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 121 SdHoareTripleChecker+Valid, 293 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.5s IncrementalHoareTripleChecker+Time [2023-12-02 13:40:58,725 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [121 Valid, 293 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 13 Invalid, 1 Unknown, 0 Unchecked, 3.5s Time] [2023-12-02 13:40:58,726 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 143 states. [2023-12-02 13:40:58,758 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 143 to 84. [2023-12-02 13:40:58,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 84 states, 49 states have (on average 1.2040816326530612) internal successors, (59), 49 states have internal predecessors, (59), 33 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 33 states have call predecessors, (33), 33 states have call successors, (33) [2023-12-02 13:40:58,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 125 transitions. [2023-12-02 13:40:58,761 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 125 transitions. Word has length 205 [2023-12-02 13:40:58,762 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 13:40:58,762 INFO L495 AbstractCegarLoop]: Abstraction has 84 states and 125 transitions. [2023-12-02 13:40:58,762 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2023-12-02 13:40:58,763 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 125 transitions. [2023-12-02 13:40:58,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2023-12-02 13:40:58,774 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 13:40:58,774 INFO L195 NwaCegarLoop]: trace histogram [33, 33, 33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:40:58,804 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b75af4c-0d9a-4498-8c96-5647b9038d7e/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Ended with exit code 0 [2023-12-02 13:40:58,980 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b75af4c-0d9a-4498-8c96-5647b9038d7e/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 13:40:58,981 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 13:40:58,981 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 13:40:58,981 INFO L85 PathProgramCache]: Analyzing trace with hash -718221708, now seen corresponding path program 1 times [2023-12-02 13:40:58,984 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 13:40:58,984 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1735399781] [2023-12-02 13:40:58,984 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:40:58,984 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 13:40:58,984 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b75af4c-0d9a-4498-8c96-5647b9038d7e/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 13:40:58,985 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b75af4c-0d9a-4498-8c96-5647b9038d7e/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 13:40:58,986 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b75af4c-0d9a-4498-8c96-5647b9038d7e/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 13:41:00,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:41:00,510 INFO L262 TraceCheckSpWp]: Trace formula consists of 338 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-02 13:41:00,516 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 13:41:00,588 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2112 trivial. 0 not checked. [2023-12-02 13:41:00,589 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 13:41:00,589 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 13:41:00,589 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1735399781] [2023-12-02 13:41:00,590 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1735399781] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 13:41:00,590 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 13:41:00,590 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-02 13:41:00,590 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1567756859] [2023-12-02 13:41:00,591 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 13:41:00,591 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-02 13:41:00,592 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 13:41:00,593 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-02 13:41:00,593 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 13:41:00,593 INFO L87 Difference]: Start difference. First operand 84 states and 125 transitions. Second operand has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2023-12-02 13:41:03,481 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.80s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 13:41:06,878 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.13s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 13:41:08,887 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 13:41:09,229 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 13:41:09,230 INFO L93 Difference]: Finished difference Result 167 states and 249 transitions. [2023-12-02 13:41:09,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 13:41:09,231 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) Word has length 206 [2023-12-02 13:41:09,232 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 13:41:09,233 INFO L225 Difference]: With dead ends: 167 [2023-12-02 13:41:09,233 INFO L226 Difference]: Without dead ends: 84 [2023-12-02 13:41:09,233 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 205 GetRequests, 204 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 13:41:09,234 INFO L413 NwaCegarLoop]: 118 mSDtfsCounter, 18 mSDsluCounter, 96 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 0 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 214 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.6s IncrementalHoareTripleChecker+Time [2023-12-02 13:41:09,235 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 214 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 11 Invalid, 3 Unknown, 0 Unchecked, 8.6s Time] [2023-12-02 13:41:09,236 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84 states. [2023-12-02 13:41:09,263 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84 to 84. [2023-12-02 13:41:09,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 84 states, 49 states have (on average 1.183673469387755) internal successors, (58), 49 states have internal predecessors, (58), 33 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 33 states have call predecessors, (33), 33 states have call successors, (33) [2023-12-02 13:41:09,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 124 transitions. [2023-12-02 13:41:09,266 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 124 transitions. Word has length 206 [2023-12-02 13:41:09,267 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 13:41:09,267 INFO L495 AbstractCegarLoop]: Abstraction has 84 states and 124 transitions. [2023-12-02 13:41:09,268 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2023-12-02 13:41:09,268 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 124 transitions. [2023-12-02 13:41:09,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2023-12-02 13:41:09,272 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 13:41:09,272 INFO L195 NwaCegarLoop]: trace histogram [33, 33, 33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:41:09,303 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b75af4c-0d9a-4498-8c96-5647b9038d7e/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 13:41:09,472 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b75af4c-0d9a-4498-8c96-5647b9038d7e/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 13:41:09,473 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 13:41:09,473 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 13:41:09,474 INFO L85 PathProgramCache]: Analyzing trace with hash -17157130, now seen corresponding path program 1 times [2023-12-02 13:41:09,474 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 13:41:09,475 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1082252633] [2023-12-02 13:41:09,475 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:41:09,475 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 13:41:09,475 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b75af4c-0d9a-4498-8c96-5647b9038d7e/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 13:41:09,476 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b75af4c-0d9a-4498-8c96-5647b9038d7e/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 13:41:09,477 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b75af4c-0d9a-4498-8c96-5647b9038d7e/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 (6)] Waiting until timeout for monitored process [2023-12-02 13:41:10,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:41:11,000 INFO L262 TraceCheckSpWp]: Trace formula consists of 337 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-02 13:41:11,005 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 13:41:13,527 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 668 proven. 78 refuted. 0 times theorem prover too weak. 1366 trivial. 0 not checked. [2023-12-02 13:41:13,527 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 13:41:14,857 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 18 proven. 78 refuted. 0 times theorem prover too weak. 2016 trivial. 0 not checked. [2023-12-02 13:41:14,857 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 13:41:14,857 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1082252633] [2023-12-02 13:41:14,857 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1082252633] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 13:41:14,858 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [483048676] [2023-12-02 13:41:14,858 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:41:14,858 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 13:41:14,858 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b75af4c-0d9a-4498-8c96-5647b9038d7e/bin/utaipan-verify-nQ1chXbOIh/cvc4 [2023-12-02 13:41:14,859 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b75af4c-0d9a-4498-8c96-5647b9038d7e/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 13:41:14,861 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b75af4c-0d9a-4498-8c96-5647b9038d7e/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2023-12-02 13:41:18,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:41:18,256 INFO L262 TraceCheckSpWp]: Trace formula consists of 337 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 13:41:18,261 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 13:41:20,686 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 668 proven. 78 refuted. 0 times theorem prover too weak. 1366 trivial. 0 not checked. [2023-12-02 13:41:20,687 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 13:41:21,879 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 18 proven. 78 refuted. 0 times theorem prover too weak. 2016 trivial. 0 not checked. [2023-12-02 13:41:21,880 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [483048676] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 13:41:21,880 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [226674910] [2023-12-02 13:41:21,880 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:41:21,880 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 13:41:21,880 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b75af4c-0d9a-4498-8c96-5647b9038d7e/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 13:41:21,882 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b75af4c-0d9a-4498-8c96-5647b9038d7e/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 13:41:21,884 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b75af4c-0d9a-4498-8c96-5647b9038d7e/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-12-02 13:41:23,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:41:23,506 INFO L262 TraceCheckSpWp]: Trace formula consists of 337 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-02 13:41:23,510 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 13:41:25,806 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 668 proven. 78 refuted. 0 times theorem prover too weak. 1366 trivial. 0 not checked. [2023-12-02 13:41:25,806 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 13:41:26,962 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 18 proven. 78 refuted. 0 times theorem prover too weak. 2016 trivial. 0 not checked. [2023-12-02 13:41:26,963 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [226674910] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 13:41:26,963 INFO L185 FreeRefinementEngine]: Found 0 perfect and 6 imperfect interpolant sequences. [2023-12-02 13:41:26,963 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5, 5, 5, 5] total 7 [2023-12-02 13:41:26,964 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1882908635] [2023-12-02 13:41:26,964 INFO L85 oduleStraightlineAll]: Using 6 imperfect interpolants to construct interpolant automaton [2023-12-02 13:41:26,965 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-02 13:41:26,965 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 13:41:26,967 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-02 13:41:26,967 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2023-12-02 13:41:26,967 INFO L87 Difference]: Start difference. First operand 84 states and 124 transitions. Second operand has 7 states, 7 states have (on average 7.571428571428571) internal successors, (53), 7 states have internal predecessors, (53), 2 states have call successors, (59), 2 states have call predecessors, (59), 4 states have return successors, (60), 2 states have call predecessors, (60), 2 states have call successors, (60) [2023-12-02 13:41:32,099 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.98s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 13:41:34,117 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 13:41:36,131 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 13:41:36,785 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 13:41:36,785 INFO L93 Difference]: Finished difference Result 185 states and 270 transitions. [2023-12-02 13:41:36,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-02 13:41:36,786 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.571428571428571) internal successors, (53), 7 states have internal predecessors, (53), 2 states have call successors, (59), 2 states have call predecessors, (59), 4 states have return successors, (60), 2 states have call predecessors, (60), 2 states have call successors, (60) Word has length 206 [2023-12-02 13:41:36,787 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 13:41:36,789 INFO L225 Difference]: With dead ends: 185 [2023-12-02 13:41:36,789 INFO L226 Difference]: Without dead ends: 102 [2023-12-02 13:41:36,790 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1234 GetRequests, 1222 SyntacticMatches, 3 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=45, Invalid=65, Unknown=0, NotChecked=0, Total=110 [2023-12-02 13:41:36,791 INFO L413 NwaCegarLoop]: 93 mSDtfsCounter, 85 mSDsluCounter, 100 mSDsCounter, 0 mSdLazyCounter, 225 mSolverCounterSat, 27 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 91 SdHoareTripleChecker+Valid, 193 SdHoareTripleChecker+Invalid, 255 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 225 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.5s IncrementalHoareTripleChecker+Time [2023-12-02 13:41:36,791 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [91 Valid, 193 Invalid, 255 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 225 Invalid, 3 Unknown, 0 Unchecked, 9.5s Time] [2023-12-02 13:41:36,793 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 102 states. [2023-12-02 13:41:36,820 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 102 to 97. [2023-12-02 13:41:36,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 97 states, 55 states have (on average 1.1454545454545455) internal successors, (63), 56 states have internal predecessors, (63), 39 states have call successors, (39), 2 states have call predecessors, (39), 2 states have return successors, (39), 38 states have call predecessors, (39), 39 states have call successors, (39) [2023-12-02 13:41:36,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 141 transitions. [2023-12-02 13:41:36,823 INFO L78 Accepts]: Start accepts. Automaton has 97 states and 141 transitions. Word has length 206 [2023-12-02 13:41:36,824 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 13:41:36,824 INFO L495 AbstractCegarLoop]: Abstraction has 97 states and 141 transitions. [2023-12-02 13:41:36,824 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.571428571428571) internal successors, (53), 7 states have internal predecessors, (53), 2 states have call successors, (59), 2 states have call predecessors, (59), 4 states have return successors, (60), 2 states have call predecessors, (60), 2 states have call successors, (60) [2023-12-02 13:41:36,824 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 141 transitions. [2023-12-02 13:41:36,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2023-12-02 13:41:36,837 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 13:41:36,838 INFO L195 NwaCegarLoop]: trace histogram [33, 33, 33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:41:36,859 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b75af4c-0d9a-4498-8c96-5647b9038d7e/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2023-12-02 13:41:37,128 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b75af4c-0d9a-4498-8c96-5647b9038d7e/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2023-12-02 13:41:37,264 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b75af4c-0d9a-4498-8c96-5647b9038d7e/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 (6)] Ended with exit code 0 [2023-12-02 13:41:37,440 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b75af4c-0d9a-4498-8c96-5647b9038d7e/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b75af4c-0d9a-4498-8c96-5647b9038d7e/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b75af4c-0d9a-4498-8c96-5647b9038d7e/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 13:41:37,441 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 13:41:37,441 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 13:41:37,441 INFO L85 PathProgramCache]: Analyzing trace with hash 2016949273, now seen corresponding path program 1 times [2023-12-02 13:41:37,442 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 13:41:37,442 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [201663231] [2023-12-02 13:41:37,442 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:41:37,442 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 13:41:37,442 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b75af4c-0d9a-4498-8c96-5647b9038d7e/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 13:41:37,443 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b75af4c-0d9a-4498-8c96-5647b9038d7e/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 13:41:37,444 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b75af4c-0d9a-4498-8c96-5647b9038d7e/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)] Waiting until timeout for monitored process [2023-12-02 13:41:38,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:41:38,924 INFO L262 TraceCheckSpWp]: Trace formula consists of 338 conjuncts, 7 conjunts are in the unsatisfiable core [2023-12-02 13:41:38,929 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 13:41:46,623 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 1088 proven. 48 refuted. 0 times theorem prover too weak. 976 trivial. 0 not checked. [2023-12-02 13:41:46,623 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 13:41:48,749 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 13:41:48,749 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [201663231] [2023-12-02 13:41:48,749 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [201663231] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 13:41:48,749 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1896953151] [2023-12-02 13:41:48,749 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:41:48,750 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 13:41:48,750 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b75af4c-0d9a-4498-8c96-5647b9038d7e/bin/utaipan-verify-nQ1chXbOIh/cvc4 [2023-12-02 13:41:48,751 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b75af4c-0d9a-4498-8c96-5647b9038d7e/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 13:41:48,752 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b75af4c-0d9a-4498-8c96-5647b9038d7e/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2023-12-02 13:41:53,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:41:53,083 INFO L262 TraceCheckSpWp]: Trace formula consists of 338 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-02 13:41:53,088 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 13:41:58,173 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 1088 proven. 48 refuted. 0 times theorem prover too weak. 976 trivial. 0 not checked. [2023-12-02 13:41:58,173 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 13:41:59,417 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1896953151] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 13:41:59,417 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1322352468] [2023-12-02 13:41:59,417 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:41:59,417 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 13:41:59,418 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b75af4c-0d9a-4498-8c96-5647b9038d7e/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 13:41:59,418 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b75af4c-0d9a-4498-8c96-5647b9038d7e/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 13:41:59,419 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b75af4c-0d9a-4498-8c96-5647b9038d7e/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2023-12-02 13:42:39,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:42:40,183 INFO L262 TraceCheckSpWp]: Trace formula consists of 338 conjuncts, 9 conjunts are in the unsatisfiable core [2023-12-02 13:42:40,188 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 13:42:50,178 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 1088 proven. 48 refuted. 0 times theorem prover too weak. 976 trivial. 0 not checked. [2023-12-02 13:42:50,179 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 13:42:52,513 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2112 trivial. 0 not checked. [2023-12-02 13:42:52,513 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1322352468] provided 1 perfect and 1 imperfect interpolant sequences [2023-12-02 13:42:52,513 INFO L185 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2023-12-02 13:42:52,514 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [7, 7, 9] total 14 [2023-12-02 13:42:52,514 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1168663516] [2023-12-02 13:42:52,514 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 13:42:52,515 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-02 13:42:52,515 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 13:42:52,516 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-02 13:42:52,516 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=168, Unknown=0, NotChecked=0, Total=240 [2023-12-02 13:42:52,516 INFO L87 Difference]: Start difference. First operand 97 states and 141 transitions. Second operand has 5 states, 5 states have (on average 9.0) internal successors, (45), 5 states have internal predecessors, (45), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2023-12-02 13:42:56,492 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.85s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 13:42:58,501 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 13:43:00,625 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.12s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 13:43:06,083 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.11s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 13:43:08,095 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 13:43:10,103 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 13:43:12,114 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 13:43:14,122 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 13:43:16,135 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 13:43:18,141 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 13:43:20,146 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 13:43:22,152 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 13:43:24,174 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 13:43:26,189 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 13:43:28,191 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 13:43:30,202 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 13:43:32,210 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 13:43:34,235 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 13:43:36,256 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 13:43:38,288 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 13:43:40,314 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 13:43:40,778 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 13:43:40,778 INFO L93 Difference]: Finished difference Result 242 states and 343 transitions. [2023-12-02 13:43:40,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-12-02 13:43:40,781 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.0) internal successors, (45), 5 states have internal predecessors, (45), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) Word has length 207 [2023-12-02 13:43:40,782 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 13:43:40,784 INFO L225 Difference]: With dead ends: 242 [2023-12-02 13:43:40,784 INFO L226 Difference]: Without dead ends: 155 [2023-12-02 13:43:40,785 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 868 GetRequests, 852 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 84 ImplicationChecksByTransitivity, 10.5s TimeCoverageRelationStatistics Valid=86, Invalid=220, Unknown=0, NotChecked=0, Total=306 [2023-12-02 13:43:40,786 INFO L413 NwaCegarLoop]: 109 mSDtfsCounter, 92 mSDsluCounter, 171 mSDsCounter, 0 mSdLazyCounter, 88 mSolverCounterSat, 34 mSolverCounterUnsat, 20 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 46.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 92 SdHoareTripleChecker+Valid, 280 SdHoareTripleChecker+Invalid, 142 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 88 IncrementalHoareTripleChecker+Invalid, 20 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 47.0s IncrementalHoareTripleChecker+Time [2023-12-02 13:43:40,786 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [92 Valid, 280 Invalid, 142 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 88 Invalid, 20 Unknown, 0 Unchecked, 47.0s Time] [2023-12-02 13:43:40,787 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 155 states. [2023-12-02 13:43:40,810 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 155 to 144. [2023-12-02 13:43:40,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 144 states, 85 states have (on average 1.1294117647058823) internal successors, (96), 87 states have internal predecessors, (96), 54 states have call successors, (54), 4 states have call predecessors, (54), 4 states have return successors, (54), 52 states have call predecessors, (54), 54 states have call successors, (54) [2023-12-02 13:43:40,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 144 states and 204 transitions. [2023-12-02 13:43:40,813 INFO L78 Accepts]: Start accepts. Automaton has 144 states and 204 transitions. Word has length 207 [2023-12-02 13:43:40,814 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 13:43:40,814 INFO L495 AbstractCegarLoop]: Abstraction has 144 states and 204 transitions. [2023-12-02 13:43:40,815 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.0) internal successors, (45), 5 states have internal predecessors, (45), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2023-12-02 13:43:40,815 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 204 transitions. [2023-12-02 13:43:40,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2023-12-02 13:43:40,817 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 13:43:40,817 INFO L195 NwaCegarLoop]: trace histogram [33, 33, 33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:43:40,840 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b75af4c-0d9a-4498-8c96-5647b9038d7e/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)] Ended with exit code 0 [2023-12-02 13:43:41,122 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b75af4c-0d9a-4498-8c96-5647b9038d7e/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2023-12-02 13:43:41,233 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b75af4c-0d9a-4498-8c96-5647b9038d7e/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (10)] Ended with exit code 0 [2023-12-02 13:43:41,418 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b75af4c-0d9a-4498-8c96-5647b9038d7e/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=3,11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b75af4c-0d9a-4498-8c96-5647b9038d7e/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b75af4c-0d9a-4498-8c96-5647b9038d7e/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt [2023-12-02 13:43:41,419 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 13:43:41,419 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 13:43:41,419 INFO L85 PathProgramCache]: Analyzing trace with hash 2017008855, now seen corresponding path program 1 times [2023-12-02 13:43:41,420 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 13:43:41,420 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [581432060] [2023-12-02 13:43:41,420 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:43:41,420 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 13:43:41,420 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b75af4c-0d9a-4498-8c96-5647b9038d7e/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 13:43:41,421 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b75af4c-0d9a-4498-8c96-5647b9038d7e/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 13:43:41,422 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b75af4c-0d9a-4498-8c96-5647b9038d7e/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)] Waiting until timeout for monitored process [2023-12-02 13:43:43,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:43:43,140 INFO L262 TraceCheckSpWp]: Trace formula consists of 337 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-02 13:43:43,144 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 13:43:55,573 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 1308 proven. 78 refuted. 0 times theorem prover too weak. 726 trivial. 0 not checked. [2023-12-02 13:43:55,574 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 13:44:05,507 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 13:44:05,507 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [581432060] [2023-12-02 13:44:05,507 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [581432060] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 13:44:05,507 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [551725990] [2023-12-02 13:44:05,507 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:44:05,508 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 13:44:05,508 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b75af4c-0d9a-4498-8c96-5647b9038d7e/bin/utaipan-verify-nQ1chXbOIh/cvc4 [2023-12-02 13:44:05,509 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b75af4c-0d9a-4498-8c96-5647b9038d7e/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 13:44:05,510 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b75af4c-0d9a-4498-8c96-5647b9038d7e/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2023-12-02 13:44:10,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:44:10,325 INFO L262 TraceCheckSpWp]: Trace formula consists of 337 conjuncts, 12 conjunts are in the unsatisfiable core [2023-12-02 13:44:10,330 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 13:44:22,296 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 1308 proven. 78 refuted. 0 times theorem prover too weak. 726 trivial. 0 not checked. [2023-12-02 13:44:22,296 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 13:44:28,768 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [551725990] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 13:44:28,768 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1445882089] [2023-12-02 13:44:28,768 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:44:28,768 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 13:44:28,768 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b75af4c-0d9a-4498-8c96-5647b9038d7e/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 13:44:28,769 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b75af4c-0d9a-4498-8c96-5647b9038d7e/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 13:44:28,770 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b75af4c-0d9a-4498-8c96-5647b9038d7e/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2023-12-02 13:44:32,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:44:33,057 INFO L262 TraceCheckSpWp]: Trace formula consists of 337 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-02 13:44:33,062 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 13:44:44,826 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 1317 proven. 111 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2023-12-02 13:44:44,826 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 13:44:50,795 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1445882089] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 13:44:50,795 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-12-02 13:44:50,796 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 8 [2023-12-02 13:44:50,796 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1636363470] [2023-12-02 13:44:50,796 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-12-02 13:44:50,797 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-12-02 13:44:50,797 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 13:44:50,797 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-12-02 13:44:50,797 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2023-12-02 13:44:50,798 INFO L87 Difference]: Start difference. First operand 144 states and 204 transitions. Second operand has 9 states, 9 states have (on average 6.333333333333333) internal successors, (57), 8 states have internal predecessors, (57), 3 states have call successors, (33), 3 states have call predecessors, (33), 5 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) [2023-12-02 13:44:57,877 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.86s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 13:44:59,880 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 13:45:01,888 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 13:45:03,891 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 13:45:05,894 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 13:45:08,973 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.08s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 13:45:10,996 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 13:45:13,005 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 13:45:15,008 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 13:45:17,011 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 13:45:18,955 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.94s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 13:45:22,396 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.12s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 13:45:24,407 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 13:45:26,413 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 13:45:28,447 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 13:45:30,451 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 13:45:31,819 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 13:45:31,819 INFO L93 Difference]: Finished difference Result 280 states and 380 transitions. [2023-12-02 13:45:31,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-12-02 13:45:31,821 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 6.333333333333333) internal successors, (57), 8 states have internal predecessors, (57), 3 states have call successors, (33), 3 states have call predecessors, (33), 5 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) Word has length 207 [2023-12-02 13:45:31,821 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 13:45:31,823 INFO L225 Difference]: With dead ends: 280 [2023-12-02 13:45:31,823 INFO L226 Difference]: Without dead ends: 146 [2023-12-02 13:45:31,824 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 773 GetRequests, 759 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 5.5s TimeCoverageRelationStatistics Valid=83, Invalid=157, Unknown=0, NotChecked=0, Total=240 [2023-12-02 13:45:31,825 INFO L413 NwaCegarLoop]: 91 mSDtfsCounter, 62 mSDsluCounter, 150 mSDsCounter, 0 mSdLazyCounter, 403 mSolverCounterSat, 4 mSolverCounterUnsat, 15 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 38.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 82 SdHoareTripleChecker+Valid, 241 SdHoareTripleChecker+Invalid, 422 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 403 IncrementalHoareTripleChecker+Invalid, 15 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 39.7s IncrementalHoareTripleChecker+Time [2023-12-02 13:45:31,825 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [82 Valid, 241 Invalid, 422 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 403 Invalid, 15 Unknown, 0 Unchecked, 39.7s Time] [2023-12-02 13:45:31,827 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 146 states. [2023-12-02 13:45:31,859 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 146 to 130. [2023-12-02 13:45:31,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 130 states, 74 states have (on average 1.054054054054054) internal successors, (78), 75 states have internal predecessors, (78), 48 states have call successors, (48), 7 states have call predecessors, (48), 7 states have return successors, (48), 47 states have call predecessors, (48), 48 states have call successors, (48) [2023-12-02 13:45:31,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 130 states and 174 transitions. [2023-12-02 13:45:31,861 INFO L78 Accepts]: Start accepts. Automaton has 130 states and 174 transitions. Word has length 207 [2023-12-02 13:45:31,862 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 13:45:31,862 INFO L495 AbstractCegarLoop]: Abstraction has 130 states and 174 transitions. [2023-12-02 13:45:31,863 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 6.333333333333333) internal successors, (57), 8 states have internal predecessors, (57), 3 states have call successors, (33), 3 states have call predecessors, (33), 5 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) [2023-12-02 13:45:31,863 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 174 transitions. [2023-12-02 13:45:31,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2023-12-02 13:45:31,865 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 13:45:31,865 INFO L195 NwaCegarLoop]: trace histogram [33, 33, 33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:45:31,890 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b75af4c-0d9a-4498-8c96-5647b9038d7e/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)] Ended with exit code 0 [2023-12-02 13:45:32,085 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b75af4c-0d9a-4498-8c96-5647b9038d7e/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (13)] Ended with exit code 0 [2023-12-02 13:45:32,364 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b75af4c-0d9a-4498-8c96-5647b9038d7e/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2023-12-02 13:45:32,468 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b75af4c-0d9a-4498-8c96-5647b9038d7e/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 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b75af4c-0d9a-4498-8c96-5647b9038d7e/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt,14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b75af4c-0d9a-4498-8c96-5647b9038d7e/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 13:45:32,469 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 13:45:32,469 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 13:45:32,470 INFO L85 PathProgramCache]: Analyzing trace with hash 1904216607, now seen corresponding path program 1 times [2023-12-02 13:45:32,470 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 13:45:32,470 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [308727630] [2023-12-02 13:45:32,470 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:45:32,470 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 13:45:32,470 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b75af4c-0d9a-4498-8c96-5647b9038d7e/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 13:45:32,471 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b75af4c-0d9a-4498-8c96-5647b9038d7e/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 13:45:32,472 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b75af4c-0d9a-4498-8c96-5647b9038d7e/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 (15)] Waiting until timeout for monitored process [2023-12-02 13:45:34,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:45:35,023 INFO L262 TraceCheckSpWp]: Trace formula consists of 339 conjuncts, 12 conjunts are in the unsatisfiable core [2023-12-02 13:45:35,032 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 13:45:54,612 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 1154 proven. 99 refuted. 0 times theorem prover too weak. 859 trivial. 0 not checked. [2023-12-02 13:45:54,612 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 13:46:00,590 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2112 trivial. 0 not checked. [2023-12-02 13:46:00,591 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 13:46:00,591 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [308727630] [2023-12-02 13:46:00,591 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [308727630] provided 1 perfect and 1 imperfect interpolant sequences [2023-12-02 13:46:00,591 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-12-02 13:46:00,591 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [13] total 16 [2023-12-02 13:46:00,592 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [993860904] [2023-12-02 13:46:00,592 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 13:46:00,592 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-02 13:46:00,592 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 13:46:00,593 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-02 13:46:00,593 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=196, Unknown=1, NotChecked=0, Total=240 [2023-12-02 13:46:00,593 INFO L87 Difference]: Start difference. First operand 130 states and 174 transitions. Second operand has 5 states, 5 states have (on average 9.0) internal successors, (45), 5 states have internal predecessors, (45), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2023-12-02 13:46:03,905 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.91s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [1] [2023-12-02 13:46:05,924 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [1] [2023-12-02 13:46:11,883 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.11s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [1] [2023-12-02 13:46:13,885 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [1] [2023-12-02 13:46:15,891 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [1] [2023-12-02 13:46:17,924 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [1] [2023-12-02 13:46:19,934 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [1] [2023-12-02 13:46:21,945 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [1] [2023-12-02 13:46:23,299 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 13:46:23,300 INFO L93 Difference]: Finished difference Result 280 states and 368 transitions. [2023-12-02 13:46:23,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-02 13:46:23,302 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.0) internal successors, (45), 5 states have internal predecessors, (45), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) Word has length 207 [2023-12-02 13:46:23,303 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 13:46:23,304 INFO L225 Difference]: With dead ends: 280 [2023-12-02 13:46:23,304 INFO L226 Difference]: Without dead ends: 188 [2023-12-02 13:46:23,305 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 413 GetRequests, 398 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 1 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 18.0s TimeCoverageRelationStatistics Valid=49, Invalid=222, Unknown=1, NotChecked=0, Total=272 [2023-12-02 13:46:23,305 INFO L413 NwaCegarLoop]: 149 mSDtfsCounter, 64 mSDsluCounter, 337 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 0 mSolverCounterUnsat, 8 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 21.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 64 SdHoareTripleChecker+Valid, 486 SdHoareTripleChecker+Invalid, 54 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 46 IncrementalHoareTripleChecker+Invalid, 8 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 22.2s IncrementalHoareTripleChecker+Time [2023-12-02 13:46:23,306 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [64 Valid, 486 Invalid, 54 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 46 Invalid, 8 Unknown, 0 Unchecked, 22.2s Time] [2023-12-02 13:46:23,307 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 188 states. [2023-12-02 13:46:23,340 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 188 to 185. [2023-12-02 13:46:23,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 185 states, 110 states have (on average 1.0454545454545454) internal successors, (115), 112 states have internal predecessors, (115), 63 states have call successors, (63), 11 states have call predecessors, (63), 11 states have return successors, (63), 61 states have call predecessors, (63), 63 states have call successors, (63) [2023-12-02 13:46:23,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 185 states and 241 transitions. [2023-12-02 13:46:23,343 INFO L78 Accepts]: Start accepts. Automaton has 185 states and 241 transitions. Word has length 207 [2023-12-02 13:46:23,343 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 13:46:23,343 INFO L495 AbstractCegarLoop]: Abstraction has 185 states and 241 transitions. [2023-12-02 13:46:23,344 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.0) internal successors, (45), 5 states have internal predecessors, (45), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2023-12-02 13:46:23,344 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 241 transitions. [2023-12-02 13:46:23,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2023-12-02 13:46:23,346 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 13:46:23,346 INFO L195 NwaCegarLoop]: trace histogram [33, 33, 33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:46:23,370 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b75af4c-0d9a-4498-8c96-5647b9038d7e/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 (15)] Ended with exit code 0 [2023-12-02 13:46:23,546 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b75af4c-0d9a-4498-8c96-5647b9038d7e/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 13:46:23,547 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 13:46:23,547 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 13:46:23,547 INFO L85 PathProgramCache]: Analyzing trace with hash 1904276189, now seen corresponding path program 1 times [2023-12-02 13:46:23,548 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 13:46:23,548 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1724264307] [2023-12-02 13:46:23,548 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:46:23,548 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 13:46:23,548 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b75af4c-0d9a-4498-8c96-5647b9038d7e/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 13:46:23,549 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b75af4c-0d9a-4498-8c96-5647b9038d7e/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 13:46:23,550 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b75af4c-0d9a-4498-8c96-5647b9038d7e/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 (16)] Waiting until timeout for monitored process [2023-12-02 13:46:25,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:46:25,840 INFO L262 TraceCheckSpWp]: Trace formula consists of 338 conjuncts, 31 conjunts are in the unsatisfiable core [2023-12-02 13:46:25,847 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 13:46:54,953 WARN L293 SmtUtils]: Spent 5.21s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 13:47:00,186 WARN L293 SmtUtils]: Spent 5.23s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 13:47:05,432 WARN L293 SmtUtils]: Spent 5.24s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 13:47:10,645 WARN L293 SmtUtils]: Spent 5.21s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 13:47:15,853 WARN L293 SmtUtils]: Spent 5.21s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 13:47:21,105 WARN L293 SmtUtils]: Spent 5.25s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 13:47:26,321 WARN L293 SmtUtils]: Spent 5.21s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 13:47:31,569 WARN L293 SmtUtils]: Spent 5.25s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 13:47:36,831 WARN L293 SmtUtils]: Spent 5.26s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 13:47:42,074 WARN L293 SmtUtils]: Spent 5.24s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 13:47:47,338 WARN L293 SmtUtils]: Spent 5.26s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 13:47:52,556 WARN L293 SmtUtils]: Spent 5.22s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 13:47:57,738 WARN L293 SmtUtils]: Spent 5.18s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 13:48:02,942 WARN L293 SmtUtils]: Spent 5.20s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 13:48:08,147 WARN L293 SmtUtils]: Spent 5.20s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 13:48:13,328 WARN L293 SmtUtils]: Spent 5.18s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 13:48:18,545 WARN L293 SmtUtils]: Spent 5.22s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 13:48:23,720 WARN L293 SmtUtils]: Spent 5.17s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 13:48:28,913 WARN L293 SmtUtils]: Spent 5.19s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 13:48:34,083 WARN L293 SmtUtils]: Spent 5.17s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 13:48:39,232 WARN L293 SmtUtils]: Spent 5.15s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 13:48:44,393 WARN L293 SmtUtils]: Spent 5.16s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 13:48:49,579 WARN L293 SmtUtils]: Spent 5.19s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 13:48:54,753 WARN L293 SmtUtils]: Spent 5.17s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 13:48:59,945 WARN L293 SmtUtils]: Spent 5.19s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 13:49:05,143 WARN L293 SmtUtils]: Spent 5.20s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 13:49:10,326 WARN L293 SmtUtils]: Spent 5.18s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 13:49:15,517 WARN L293 SmtUtils]: Spent 5.19s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 13:49:20,740 WARN L293 SmtUtils]: Spent 5.22s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 13:49:25,887 WARN L293 SmtUtils]: Spent 5.15s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 13:49:31,099 WARN L293 SmtUtils]: Spent 5.21s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 13:49:37,723 WARN L293 SmtUtils]: Spent 5.21s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 13:49:42,946 WARN L293 SmtUtils]: Spent 5.22s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 13:49:48,155 WARN L293 SmtUtils]: Spent 5.21s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 13:49:54,726 WARN L293 SmtUtils]: Spent 5.23s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 13:49:59,901 WARN L293 SmtUtils]: Spent 5.17s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 13:50:05,150 WARN L293 SmtUtils]: Spent 5.25s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 13:50:10,333 WARN L293 SmtUtils]: Spent 5.18s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 13:50:15,523 WARN L293 SmtUtils]: Spent 5.19s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 13:50:20,707 WARN L293 SmtUtils]: Spent 5.18s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 13:50:25,876 WARN L293 SmtUtils]: Spent 5.17s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 13:50:31,050 WARN L293 SmtUtils]: Spent 5.17s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 13:50:36,239 WARN L293 SmtUtils]: Spent 5.19s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 13:50:41,606 WARN L293 SmtUtils]: Spent 5.37s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 13:50:46,813 WARN L293 SmtUtils]: Spent 5.21s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 13:50:52,032 WARN L293 SmtUtils]: Spent 5.22s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 13:50:57,261 WARN L293 SmtUtils]: Spent 5.23s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 13:51:02,666 WARN L293 SmtUtils]: Spent 5.40s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 13:51:07,840 WARN L293 SmtUtils]: Spent 5.17s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 13:51:13,023 WARN L293 SmtUtils]: Spent 5.18s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 13:51:18,255 WARN L293 SmtUtils]: Spent 5.23s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 13:51:23,528 WARN L293 SmtUtils]: Spent 5.27s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 13:51:28,791 WARN L293 SmtUtils]: Spent 5.26s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 13:51:34,148 WARN L293 SmtUtils]: Spent 5.36s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 13:51:39,397 WARN L293 SmtUtils]: Spent 5.25s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 13:51:44,623 WARN L293 SmtUtils]: Spent 5.23s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 13:51:49,819 WARN L293 SmtUtils]: Spent 5.20s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 13:52:05,296 WARN L293 SmtUtils]: Spent 5.28s on a formula simplification that was a NOOP. DAG size: 8 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 13:52:10,511 WARN L293 SmtUtils]: Spent 5.21s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 13:52:15,743 WARN L293 SmtUtils]: Spent 5.23s on a formula simplification that was a NOOP. DAG size: 8 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 13:52:21,130 WARN L293 SmtUtils]: Spent 5.39s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 13:52:23,403 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse0 ((_ zero_extend 16) c_~var_1_24~0)) (.cse1 ((_ zero_extend 16) c_~var_1_21~0))) (and (= ((_ extract 15 0) (bvadd .cse0 .cse1)) c_~var_1_23~0) (fp.geq c_~var_1_17~0 ((_ to_fp 8 24) c_currentRoundingMode (/ 1.0 100000000000000000000.0))) (fp.leq c_~var_1_17~0 ((_ to_fp 8 24) c_currentRoundingMode 9223372036854765600.0)) (bvsle .cse0 (_ bv32767 32)) (let ((.cse2 ((_ sign_extend 16) c_~var_1_10~0))) (let ((.cse3 (bvslt (_ bv4294967286 32) .cse2))) (or (and (= ((_ extract 15 0) .cse2) c_~var_1_9~0) (not .cse3)) (and .cse3 (= (bvadd c_~var_1_9~0 (_ bv10 16)) (_ bv0 16)))))) (let ((.cse19 (fp.gt c_~var_1_15~0 c_~var_1_19~0))) (let ((.cse5 (fp.gt c_~var_1_15~0 c_~var_1_16~0)) (.cse13 (= c_~var_1_22~0 c_~var_1_19~0)) (.cse10 (= c_~var_1_22~0 c_~var_1_17~0)) (.cse18 (not .cse19)) (.cse14 (fp.gt c_~var_1_19~0 c_~var_1_17~0))) (let ((.cse16 (fp.gt c_~var_1_16~0 c_~var_1_17~0)) (.cse4 (not .cse14)) (.cse6 (and .cse10 .cse18)) (.cse7 (and .cse19 (= c_~var_1_22~0 c_~var_1_15~0))) (.cse12 (and .cse13 .cse18)) (.cse8 (not .cse5))) (or (and (let ((.cse15 (fp.gt c_~var_1_16~0 c_~var_1_19~0))) (let ((.cse9 (and .cse15 (= c_~var_1_22~0 c_~var_1_16~0))) (.cse11 (not .cse15))) (or (and .cse4 (or (and .cse5 (or .cse6 .cse7)) (and .cse8 (or .cse9 (and .cse10 .cse11))))) (and (or (and .cse5 (or .cse7 .cse12)) (and .cse8 (or .cse9 (and .cse13 .cse11)))) .cse14)))) .cse16) (and (not .cse16) (or (and .cse4 (let ((.cse17 (fp.gt c_~var_1_15~0 c_~var_1_17~0))) (or (and .cse17 (or .cse6 .cse8 .cse7)) (and (not .cse17) .cse10)))) (and (or .cse7 .cse12 (and .cse13 .cse8)) .cse14))))))) (= (_ bv1 8) c_~var_1_1~0) (fp.gt (fp.div c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode (/ 49999998.0 5.0)) ((_ to_fp 11 53) c_currentRoundingMode c_~var_1_18~0)) ((_ to_fp 11 53) c_currentRoundingMode c_~var_1_16~0)) (let ((.cse20 (= c_~var_1_12~0 (_ bv0 8))) (.cse21 (= c_~var_1_4~0 (_ bv0 8))) (.cse22 (= c_~var_1_8~0 (_ bv0 8)))) (or (and (= (_ bv1 8) c_~var_1_11~0) (not .cse20) (or (not .cse21) (not .cse22))) (and (= (_ bv0 8) c_~var_1_11~0) (or .cse20 (and .cse21 .cse22))))) (= ((_ extract 15 0) (bvadd (_ bv45013 32) (bvneg .cse1))) c_~var_1_20~0) (bvsle .cse1 (_ bv32767 32)) (= c_currentRoundingMode roundNearestTiesToEven))) is different from false [2023-12-02 13:52:25,712 WARN L876 $PredicateComparison]: unable to prove that (let ((.cse0 ((_ zero_extend 16) c_~var_1_24~0)) (.cse1 ((_ zero_extend 16) c_~var_1_21~0))) (and (= ((_ extract 15 0) (bvadd .cse0 .cse1)) c_~var_1_23~0) (fp.geq c_~var_1_17~0 ((_ to_fp 8 24) c_currentRoundingMode (/ 1.0 100000000000000000000.0))) (fp.leq c_~var_1_17~0 ((_ to_fp 8 24) c_currentRoundingMode 9223372036854765600.0)) (bvsle .cse0 (_ bv32767 32)) (let ((.cse2 ((_ sign_extend 16) c_~var_1_10~0))) (let ((.cse3 (bvslt (_ bv4294967286 32) .cse2))) (or (and (= ((_ extract 15 0) .cse2) c_~var_1_9~0) (not .cse3)) (and .cse3 (= (bvadd c_~var_1_9~0 (_ bv10 16)) (_ bv0 16)))))) (let ((.cse19 (fp.gt c_~var_1_15~0 c_~var_1_19~0))) (let ((.cse5 (fp.gt c_~var_1_15~0 c_~var_1_16~0)) (.cse13 (= c_~var_1_22~0 c_~var_1_19~0)) (.cse10 (= c_~var_1_22~0 c_~var_1_17~0)) (.cse18 (not .cse19)) (.cse14 (fp.gt c_~var_1_19~0 c_~var_1_17~0))) (let ((.cse16 (fp.gt c_~var_1_16~0 c_~var_1_17~0)) (.cse4 (not .cse14)) (.cse6 (and .cse10 .cse18)) (.cse7 (and .cse19 (= c_~var_1_22~0 c_~var_1_15~0))) (.cse12 (and .cse13 .cse18)) (.cse8 (not .cse5))) (or (and (let ((.cse15 (fp.gt c_~var_1_16~0 c_~var_1_19~0))) (let ((.cse9 (and .cse15 (= c_~var_1_22~0 c_~var_1_16~0))) (.cse11 (not .cse15))) (or (and .cse4 (or (and .cse5 (or .cse6 .cse7)) (and .cse8 (or .cse9 (and .cse10 .cse11))))) (and (or (and .cse5 (or .cse7 .cse12)) (and .cse8 (or .cse9 (and .cse13 .cse11)))) .cse14)))) .cse16) (and (not .cse16) (or (and .cse4 (let ((.cse17 (fp.gt c_~var_1_15~0 c_~var_1_17~0))) (or (and .cse17 (or .cse6 .cse8 .cse7)) (and (not .cse17) .cse10)))) (and (or .cse7 .cse12 (and .cse13 .cse8)) .cse14))))))) (= (_ bv1 8) c_~var_1_1~0) (fp.gt (fp.div c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode (/ 49999998.0 5.0)) ((_ to_fp 11 53) c_currentRoundingMode c_~var_1_18~0)) ((_ to_fp 11 53) c_currentRoundingMode c_~var_1_16~0)) (let ((.cse20 (= c_~var_1_12~0 (_ bv0 8))) (.cse21 (= c_~var_1_4~0 (_ bv0 8))) (.cse22 (= c_~var_1_8~0 (_ bv0 8)))) (or (and (= (_ bv1 8) c_~var_1_11~0) (not .cse20) (or (not .cse21) (not .cse22))) (and (= (_ bv0 8) c_~var_1_11~0) (or .cse20 (and .cse21 .cse22))))) (= ((_ extract 15 0) (bvadd (_ bv45013 32) (bvneg .cse1))) c_~var_1_20~0) (bvsle .cse1 (_ bv32767 32)) (= c_currentRoundingMode roundNearestTiesToEven))) is different from true [2023-12-02 13:52:31,380 WARN L293 SmtUtils]: Spent 5.41s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 13:52:36,700 WARN L293 SmtUtils]: Spent 5.32s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 13:52:42,061 WARN L293 SmtUtils]: Spent 5.36s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 13:52:47,547 WARN L293 SmtUtils]: Spent 5.49s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 13:52:52,971 WARN L293 SmtUtils]: Spent 5.42s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 13:52:58,418 WARN L293 SmtUtils]: Spent 5.45s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 13:53:03,856 WARN L293 SmtUtils]: Spent 5.44s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 13:53:09,171 WARN L293 SmtUtils]: Spent 5.31s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 13:53:14,533 WARN L293 SmtUtils]: Spent 5.36s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 13:53:19,908 WARN L293 SmtUtils]: Spent 5.38s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 13:53:25,313 WARN L293 SmtUtils]: Spent 5.40s on a formula simplification that was a NOOP. DAG size: 10 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 13:53:30,690 WARN L293 SmtUtils]: Spent 5.38s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 13:53:37,359 WARN L293 SmtUtils]: Spent 5.36s on a formula simplification that was a NOOP. DAG size: 9 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 13:53:42,766 WARN L293 SmtUtils]: Spent 5.41s on a formula simplification that was a NOOP. DAG size: 8 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 13:53:48,132 WARN L293 SmtUtils]: Spent 5.37s on a formula simplification that was a NOOP. DAG size: 7 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 13:53:53,572 WARN L293 SmtUtils]: Spent 5.44s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 13:53:58,923 WARN L293 SmtUtils]: Spent 5.35s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 13:54:04,123 WARN L293 SmtUtils]: Spent 5.20s on a formula simplification that was a NOOP. DAG size: 10 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 13:54:09,445 WARN L293 SmtUtils]: Spent 5.32s on a formula simplification that was a NOOP. DAG size: 9 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 13:54:14,764 WARN L293 SmtUtils]: Spent 5.32s on a formula simplification that was a NOOP. DAG size: 8 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 13:54:20,077 WARN L293 SmtUtils]: Spent 5.31s on a formula simplification that was a NOOP. DAG size: 7 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 13:54:25,309 WARN L293 SmtUtils]: Spent 5.23s on a formula simplification that was a NOOP. DAG size: 8 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 13:54:30,569 WARN L293 SmtUtils]: Spent 5.26s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 13:54:35,939 WARN L293 SmtUtils]: Spent 5.37s on a formula simplification that was a NOOP. DAG size: 10 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 13:54:41,316 WARN L293 SmtUtils]: Spent 5.38s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 13:54:46,702 WARN L293 SmtUtils]: Spent 5.39s on a formula simplification that was a NOOP. DAG size: 7 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 13:54:52,256 WARN L293 SmtUtils]: Spent 5.55s on a formula simplification that was a NOOP. DAG size: 8 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 13:54:57,660 WARN L293 SmtUtils]: Spent 5.40s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 13:55:03,178 WARN L293 SmtUtils]: Spent 5.52s on a formula simplification that was a NOOP. DAG size: 9 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 13:55:08,662 WARN L293 SmtUtils]: Spent 5.47s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 13:55:14,041 WARN L293 SmtUtils]: Spent 5.38s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify)