./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-84.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e7bb482b Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc813535-12f7-4222-9ea7-9b88657064dd/bin/uautomizer-verify-WvqO1wxjHP/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc813535-12f7-4222-9ea7-9b88657064dd/bin/uautomizer-verify-WvqO1wxjHP/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc813535-12f7-4222-9ea7-9b88657064dd/bin/uautomizer-verify-WvqO1wxjHP/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc813535-12f7-4222-9ea7-9b88657064dd/bin/uautomizer-verify-WvqO1wxjHP/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-84.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc813535-12f7-4222-9ea7-9b88657064dd/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc813535-12f7-4222-9ea7-9b88657064dd/bin/uautomizer-verify-WvqO1wxjHP --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 046e4169d322167d7576c9c2b9007e1beb6aeeec9394209bc254f3d13fdc20dd --- Real Ultimate output --- This is Ultimate 0.2.3-dev-e7bb482 [2023-11-06 22:41:24,526 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-06 22:41:24,615 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc813535-12f7-4222-9ea7-9b88657064dd/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-06 22:41:24,620 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-06 22:41:24,621 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-06 22:41:24,653 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-06 22:41:24,654 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-06 22:41:24,654 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-06 22:41:24,655 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-06 22:41:24,656 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-06 22:41:24,657 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-06 22:41:24,658 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-06 22:41:24,658 INFO L153 SettingsManager]: * Use SBE=true [2023-11-06 22:41:24,659 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-06 22:41:24,660 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-06 22:41:24,660 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-06 22:41:24,661 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-06 22:41:24,662 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-06 22:41:24,662 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-06 22:41:24,663 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-06 22:41:24,663 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-06 22:41:24,667 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-06 22:41:24,668 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-06 22:41:24,668 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-06 22:41:24,669 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-06 22:41:24,669 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-06 22:41:24,670 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-06 22:41:24,674 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-06 22:41:24,675 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:41:24,675 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-06 22:41:24,676 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-06 22:41:24,676 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-11-06 22:41:24,677 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-06 22:41:24,677 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-06 22:41:24,678 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-06 22:41:24,678 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-06 22:41:24,679 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-06 22:41:24,679 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-06 22:41:24,680 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-06 22:41:24,680 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_fc813535-12f7-4222-9ea7-9b88657064dd/bin/uautomizer-verify-WvqO1wxjHP/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc813535-12f7-4222-9ea7-9b88657064dd/bin/uautomizer-verify-WvqO1wxjHP Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 046e4169d322167d7576c9c2b9007e1beb6aeeec9394209bc254f3d13fdc20dd [2023-11-06 22:41:25,027 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-06 22:41:25,091 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-06 22:41:25,095 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-06 22:41:25,097 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-06 22:41:25,098 INFO L274 PluginConnector]: CDTParser initialized [2023-11-06 22:41:25,100 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc813535-12f7-4222-9ea7-9b88657064dd/bin/uautomizer-verify-WvqO1wxjHP/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-84.i [2023-11-06 22:41:28,745 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-06 22:41:29,233 INFO L384 CDTParser]: Found 1 translation units. [2023-11-06 22:41:29,237 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc813535-12f7-4222-9ea7-9b88657064dd/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-84.i [2023-11-06 22:41:29,254 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc813535-12f7-4222-9ea7-9b88657064dd/bin/uautomizer-verify-WvqO1wxjHP/data/f61fba0b0/da69fe006a0c4fe9a6006f5cd8600155/FLAGd9c255153 [2023-11-06 22:41:29,275 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc813535-12f7-4222-9ea7-9b88657064dd/bin/uautomizer-verify-WvqO1wxjHP/data/f61fba0b0/da69fe006a0c4fe9a6006f5cd8600155 [2023-11-06 22:41:29,286 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-06 22:41:29,289 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-06 22:41:29,293 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-06 22:41:29,293 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-06 22:41:29,301 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-06 22:41:29,302 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:41:29" (1/1) ... [2023-11-06 22:41:29,303 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1b0556c6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:41:29, skipping insertion in model container [2023-11-06 22:41:29,303 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:41:29" (1/1) ... [2023-11-06 22:41:29,372 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 22:41:29,621 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_fc813535-12f7-4222-9ea7-9b88657064dd/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-84.i[916,929] [2023-11-06 22:41:29,754 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:41:29,770 INFO L202 MainTranslator]: Completed pre-run [2023-11-06 22:41:29,786 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_fc813535-12f7-4222-9ea7-9b88657064dd/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-84.i[916,929] [2023-11-06 22:41:29,864 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:41:29,907 INFO L206 MainTranslator]: Completed translation [2023-11-06 22:41:29,908 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:41:29 WrapperNode [2023-11-06 22:41:29,908 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-06 22:41:29,909 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-06 22:41:29,910 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-06 22:41:29,910 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-06 22:41:29,920 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:41:29" (1/1) ... [2023-11-06 22:41:29,938 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:41:29" (1/1) ... [2023-11-06 22:41:30,010 INFO L138 Inliner]: procedures = 26, calls = 36, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 193 [2023-11-06 22:41:30,010 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-06 22:41:30,011 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-06 22:41:30,012 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-06 22:41:30,012 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-06 22:41:30,024 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:41:29" (1/1) ... [2023-11-06 22:41:30,025 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:41:29" (1/1) ... [2023-11-06 22:41:30,031 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:41:29" (1/1) ... [2023-11-06 22:41:30,031 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:41:29" (1/1) ... [2023-11-06 22:41:30,056 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:41:29" (1/1) ... [2023-11-06 22:41:30,061 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:41:29" (1/1) ... [2023-11-06 22:41:30,066 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:41:29" (1/1) ... [2023-11-06 22:41:30,071 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:41:29" (1/1) ... [2023-11-06 22:41:30,090 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-06 22:41:30,092 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-06 22:41:30,092 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-06 22:41:30,092 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-06 22:41:30,093 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:41:29" (1/1) ... [2023-11-06 22:41:30,104 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:41:30,119 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc813535-12f7-4222-9ea7-9b88657064dd/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:41:30,137 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc813535-12f7-4222-9ea7-9b88657064dd/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-06 22:41:30,174 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc813535-12f7-4222-9ea7-9b88657064dd/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-06 22:41:30,189 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-06 22:41:30,190 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-06 22:41:30,190 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-06 22:41:30,191 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-06 22:41:30,191 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-06 22:41:30,191 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-06 22:41:30,364 INFO L236 CfgBuilder]: Building ICFG [2023-11-06 22:41:30,367 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-06 22:41:30,995 INFO L277 CfgBuilder]: Performing block encoding [2023-11-06 22:41:31,005 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-06 22:41:31,005 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-06 22:41:31,008 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:41:31 BoogieIcfgContainer [2023-11-06 22:41:31,009 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-06 22:41:31,012 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-06 22:41:31,013 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-06 22:41:31,017 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-06 22:41:31,017 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 10:41:29" (1/3) ... [2023-11-06 22:41:31,019 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@167179f4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:41:31, skipping insertion in model container [2023-11-06 22:41:31,019 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:41:29" (2/3) ... [2023-11-06 22:41:31,020 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@167179f4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:41:31, skipping insertion in model container [2023-11-06 22:41:31,020 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:41:31" (3/3) ... [2023-11-06 22:41:31,022 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_100-1loop_file-84.i [2023-11-06 22:41:31,047 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-06 22:41:31,048 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-06 22:41:31,129 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-06 22:41:31,139 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=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, 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;@7ef486fc, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-06 22:41:31,140 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-06 22:41:31,146 INFO L276 IsEmpty]: Start isEmpty. Operand has 81 states, 55 states have (on average 1.4181818181818182) internal successors, (78), 56 states have internal predecessors, (78), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2023-11-06 22:41:31,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2023-11-06 22:41:31,169 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:41:31,170 INFO L195 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:41:31,171 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:41:31,178 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:41:31,179 INFO L85 PathProgramCache]: Analyzing trace with hash 643814027, now seen corresponding path program 1 times [2023-11-06 22:41:31,192 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:41:31,192 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [423809858] [2023-11-06 22:41:31,193 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:41:31,194 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:41:31,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:41:31,562 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:41:31,566 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [423809858] [2023-11-06 22:41:31,567 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2023-11-06 22:41:31,568 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1465336636] [2023-11-06 22:41:31,568 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:41:31,568 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:41:31,569 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc813535-12f7-4222-9ea7-9b88657064dd/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:41:31,575 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc813535-12f7-4222-9ea7-9b88657064dd/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:41:31,610 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc813535-12f7-4222-9ea7-9b88657064dd/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-06 22:41:31,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:41:31,951 INFO L262 TraceCheckSpWp]: Trace formula consists of 391 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-06 22:41:31,982 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:41:32,045 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 968 trivial. 0 not checked. [2023-11-06 22:41:32,046 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:41:32,047 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1465336636] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:41:32,047 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:41:32,047 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-06 22:41:32,050 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1307386885] [2023-11-06 22:41:32,051 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:41:32,058 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-06 22:41:32,058 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:41:32,094 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-06 22:41:32,095 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-06 22:41:32,098 INFO L87 Difference]: Start difference. First operand has 81 states, 55 states have (on average 1.4181818181818182) internal successors, (78), 56 states have internal predecessors, (78), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) Second operand has 2 states, 2 states have (on average 22.0) internal successors, (44), 2 states have internal predecessors, (44), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) [2023-11-06 22:41:32,143 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:41:32,143 INFO L93 Difference]: Finished difference Result 159 states and 268 transitions. [2023-11-06 22:41:32,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-06 22:41:32,146 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 22.0) internal successors, (44), 2 states have internal predecessors, (44), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) Word has length 154 [2023-11-06 22:41:32,147 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:41:32,157 INFO L225 Difference]: With dead ends: 159 [2023-11-06 22:41:32,158 INFO L226 Difference]: Without dead ends: 77 [2023-11-06 22:41:32,163 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 153 GetRequests, 153 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-06 22:41:32,168 INFO L413 NwaCegarLoop]: 120 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 120 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-06 22:41:32,169 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 120 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 22:41:32,191 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2023-11-06 22:41:32,229 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 77. [2023-11-06 22:41:32,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 77 states, 52 states have (on average 1.3461538461538463) internal successors, (70), 52 states have internal predecessors, (70), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2023-11-06 22:41:32,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 116 transitions. [2023-11-06 22:41:32,237 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 116 transitions. Word has length 154 [2023-11-06 22:41:32,238 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:41:32,238 INFO L495 AbstractCegarLoop]: Abstraction has 77 states and 116 transitions. [2023-11-06 22:41:32,239 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 22.0) internal successors, (44), 2 states have internal predecessors, (44), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) [2023-11-06 22:41:32,239 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 116 transitions. [2023-11-06 22:41:32,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2023-11-06 22:41:32,245 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:41:32,245 INFO L195 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:41:32,256 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc813535-12f7-4222-9ea7-9b88657064dd/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-06 22:41:32,455 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc813535-12f7-4222-9ea7-9b88657064dd/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:41:32,455 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:41:32,456 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:41:32,457 INFO L85 PathProgramCache]: Analyzing trace with hash 1818668177, now seen corresponding path program 1 times [2023-11-06 22:41:32,457 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:41:32,457 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [87613847] [2023-11-06 22:41:32,458 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:41:32,458 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:41:32,622 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 22:41:32,627 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1754600897] [2023-11-06 22:41:32,627 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:41:32,628 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:41:32,628 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc813535-12f7-4222-9ea7-9b88657064dd/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:41:32,630 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc813535-12f7-4222-9ea7-9b88657064dd/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:41:32,663 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc813535-12f7-4222-9ea7-9b88657064dd/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-06 22:41:32,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:41:32,890 INFO L262 TraceCheckSpWp]: Trace formula consists of 391 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-06 22:41:32,911 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:41:33,024 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2023-11-06 22:41:33,025 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:41:33,026 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:41:33,028 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [87613847] [2023-11-06 22:41:33,031 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 22:41:33,031 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1754600897] [2023-11-06 22:41:33,032 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1754600897] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:41:33,032 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:41:33,032 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-06 22:41:33,033 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2109538406] [2023-11-06 22:41:33,033 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:41:33,035 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 22:41:33,037 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:41:33,039 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 22:41:33,039 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 22:41:33,040 INFO L87 Difference]: Start difference. First operand 77 states and 116 transitions. Second operand has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2023-11-06 22:41:33,155 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:41:33,158 INFO L93 Difference]: Finished difference Result 151 states and 229 transitions. [2023-11-06 22:41:33,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 22:41:33,160 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 154 [2023-11-06 22:41:33,163 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:41:33,167 INFO L225 Difference]: With dead ends: 151 [2023-11-06 22:41:33,172 INFO L226 Difference]: Without dead ends: 77 [2023-11-06 22:41:33,173 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 153 GetRequests, 152 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 22:41:33,175 INFO L413 NwaCegarLoop]: 103 mSDtfsCounter, 26 mSDsluCounter, 81 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 184 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-06 22:41:33,178 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [26 Valid, 184 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-06 22:41:33,180 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2023-11-06 22:41:33,204 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 77. [2023-11-06 22:41:33,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 77 states, 52 states have (on average 1.3269230769230769) internal successors, (69), 52 states have internal predecessors, (69), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2023-11-06 22:41:33,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 115 transitions. [2023-11-06 22:41:33,207 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 115 transitions. Word has length 154 [2023-11-06 22:41:33,210 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:41:33,210 INFO L495 AbstractCegarLoop]: Abstraction has 77 states and 115 transitions. [2023-11-06 22:41:33,211 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2023-11-06 22:41:33,211 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 115 transitions. [2023-11-06 22:41:33,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2023-11-06 22:41:33,215 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:41:33,216 INFO L195 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:41:33,229 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc813535-12f7-4222-9ea7-9b88657064dd/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-11-06 22:41:33,423 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc813535-12f7-4222-9ea7-9b88657064dd/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2023-11-06 22:41:33,424 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:41:33,425 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:41:33,425 INFO L85 PathProgramCache]: Analyzing trace with hash -1465181869, now seen corresponding path program 1 times [2023-11-06 22:41:33,425 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:41:33,426 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [326332945] [2023-11-06 22:41:33,426 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:41:33,426 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:41:33,544 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 22:41:33,545 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [774589532] [2023-11-06 22:41:33,561 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:41:33,561 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:41:33,561 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc813535-12f7-4222-9ea7-9b88657064dd/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:41:33,563 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc813535-12f7-4222-9ea7-9b88657064dd/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:41:33,602 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc813535-12f7-4222-9ea7-9b88657064dd/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-11-06 22:41:33,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:41:33,809 INFO L262 TraceCheckSpWp]: Trace formula consists of 391 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-06 22:41:33,820 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:41:33,893 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2023-11-06 22:41:33,900 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:41:33,901 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:41:33,901 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [326332945] [2023-11-06 22:41:33,901 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 22:41:33,902 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [774589532] [2023-11-06 22:41:33,902 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [774589532] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:41:33,902 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:41:33,903 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-06 22:41:33,903 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1212875366] [2023-11-06 22:41:33,903 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:41:33,906 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 22:41:33,906 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:41:33,909 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 22:41:33,909 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 22:41:33,910 INFO L87 Difference]: Start difference. First operand 77 states and 115 transitions. Second operand has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2023-11-06 22:41:34,034 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:41:34,036 INFO L93 Difference]: Finished difference Result 189 states and 280 transitions. [2023-11-06 22:41:34,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 22:41:34,038 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 154 [2023-11-06 22:41:34,039 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:41:34,043 INFO L225 Difference]: With dead ends: 189 [2023-11-06 22:41:34,047 INFO L226 Difference]: Without dead ends: 115 [2023-11-06 22:41:34,048 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 153 GetRequests, 152 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 22:41:34,054 INFO L413 NwaCegarLoop]: 140 mSDtfsCounter, 47 mSDsluCounter, 104 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 47 SdHoareTripleChecker+Valid, 244 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-06 22:41:34,055 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [47 Valid, 244 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-06 22:41:34,061 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2023-11-06 22:41:34,086 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 112. [2023-11-06 22:41:34,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 112 states, 78 states have (on average 1.3205128205128205) internal successors, (103), 79 states have internal predecessors, (103), 31 states have call successors, (31), 2 states have call predecessors, (31), 2 states have return successors, (31), 30 states have call predecessors, (31), 31 states have call successors, (31) [2023-11-06 22:41:34,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 112 states and 165 transitions. [2023-11-06 22:41:34,100 INFO L78 Accepts]: Start accepts. Automaton has 112 states and 165 transitions. Word has length 154 [2023-11-06 22:41:34,101 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:41:34,101 INFO L495 AbstractCegarLoop]: Abstraction has 112 states and 165 transitions. [2023-11-06 22:41:34,102 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2023-11-06 22:41:34,102 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 165 transitions. [2023-11-06 22:41:34,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2023-11-06 22:41:34,110 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:41:34,110 INFO L195 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:41:34,124 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc813535-12f7-4222-9ea7-9b88657064dd/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-11-06 22:41:34,317 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc813535-12f7-4222-9ea7-9b88657064dd/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2023-11-06 22:41:34,318 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:41:34,319 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:41:34,319 INFO L85 PathProgramCache]: Analyzing trace with hash 309825493, now seen corresponding path program 1 times [2023-11-06 22:41:34,319 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:41:34,319 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [903660440] [2023-11-06 22:41:34,320 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:41:34,320 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:41:34,376 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 22:41:34,376 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1621396739] [2023-11-06 22:41:34,377 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:41:34,377 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:41:34,377 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc813535-12f7-4222-9ea7-9b88657064dd/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:41:34,379 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc813535-12f7-4222-9ea7-9b88657064dd/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:41:34,410 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc813535-12f7-4222-9ea7-9b88657064dd/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-11-06 22:41:34,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:41:34,620 INFO L262 TraceCheckSpWp]: Trace formula consists of 392 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-06 22:41:34,626 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:41:34,663 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2023-11-06 22:41:34,664 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:41:34,664 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:41:34,664 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [903660440] [2023-11-06 22:41:34,664 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 22:41:34,665 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1621396739] [2023-11-06 22:41:34,665 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1621396739] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:41:34,665 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:41:34,665 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-06 22:41:34,666 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [499663437] [2023-11-06 22:41:34,666 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:41:34,667 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-06 22:41:34,667 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:41:34,668 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-06 22:41:34,668 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-06 22:41:34,669 INFO L87 Difference]: Start difference. First operand 112 states and 165 transitions. Second operand has 4 states, 4 states have (on average 10.5) internal successors, (42), 4 states have internal predecessors, (42), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2023-11-06 22:41:34,738 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:41:34,738 INFO L93 Difference]: Finished difference Result 226 states and 333 transitions. [2023-11-06 22:41:34,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-06 22:41:34,739 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.5) internal successors, (42), 4 states have internal predecessors, (42), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 154 [2023-11-06 22:41:34,741 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:41:34,742 INFO L225 Difference]: With dead ends: 226 [2023-11-06 22:41:34,743 INFO L226 Difference]: Without dead ends: 117 [2023-11-06 22:41:34,744 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 154 GetRequests, 151 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-06 22:41:34,745 INFO L413 NwaCegarLoop]: 140 mSDtfsCounter, 61 mSDsluCounter, 246 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 61 SdHoareTripleChecker+Valid, 386 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-06 22:41:34,746 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [61 Valid, 386 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 22:41:34,747 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 117 states. [2023-11-06 22:41:34,765 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 117 to 111. [2023-11-06 22:41:34,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 111 states, 77 states have (on average 1.3116883116883118) internal successors, (101), 78 states have internal predecessors, (101), 31 states have call successors, (31), 2 states have call predecessors, (31), 2 states have return successors, (31), 30 states have call predecessors, (31), 31 states have call successors, (31) [2023-11-06 22:41:34,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 163 transitions. [2023-11-06 22:41:34,768 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 163 transitions. Word has length 154 [2023-11-06 22:41:34,769 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:41:34,769 INFO L495 AbstractCegarLoop]: Abstraction has 111 states and 163 transitions. [2023-11-06 22:41:34,770 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.5) internal successors, (42), 4 states have internal predecessors, (42), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2023-11-06 22:41:34,770 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 163 transitions. [2023-11-06 22:41:34,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2023-11-06 22:41:34,773 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:41:34,773 INFO L195 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:41:34,786 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc813535-12f7-4222-9ea7-9b88657064dd/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-11-06 22:41:34,980 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc813535-12f7-4222-9ea7-9b88657064dd/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:41:34,981 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:41:34,981 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:41:34,981 INFO L85 PathProgramCache]: Analyzing trace with hash 907555931, now seen corresponding path program 1 times [2023-11-06 22:41:34,981 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:41:34,982 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1337958070] [2023-11-06 22:41:34,982 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:41:34,982 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:41:35,034 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 22:41:35,034 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1537544103] [2023-11-06 22:41:35,034 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:41:35,035 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:41:35,035 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc813535-12f7-4222-9ea7-9b88657064dd/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:41:35,036 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc813535-12f7-4222-9ea7-9b88657064dd/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:41:35,053 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc813535-12f7-4222-9ea7-9b88657064dd/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-11-06 22:41:35,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:41:35,304 INFO L262 TraceCheckSpWp]: Trace formula consists of 390 conjuncts, 21 conjunts are in the unsatisfiable core [2023-11-06 22:41:35,312 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:41:36,020 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 472 proven. 60 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2023-11-06 22:41:36,021 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-06 22:41:37,307 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 45 proven. 21 refuted. 0 times theorem prover too weak. 946 trivial. 0 not checked. [2023-11-06 22:41:37,308 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:41:37,308 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1337958070] [2023-11-06 22:41:37,309 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 22:41:37,309 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1537544103] [2023-11-06 22:41:37,309 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1537544103] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-06 22:41:37,309 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-06 22:41:37,310 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 9] total 16 [2023-11-06 22:41:37,310 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1108692012] [2023-11-06 22:41:37,310 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-06 22:41:37,311 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2023-11-06 22:41:37,312 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:41:37,313 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2023-11-06 22:41:37,313 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=176, Unknown=0, NotChecked=0, Total=240 [2023-11-06 22:41:37,314 INFO L87 Difference]: Start difference. First operand 111 states and 163 transitions. Second operand has 16 states, 16 states have (on average 5.5625) internal successors, (89), 16 states have internal predecessors, (89), 4 states have call successors, (46), 3 states have call predecessors, (46), 5 states have return successors, (46), 4 states have call predecessors, (46), 4 states have call successors, (46) [2023-11-06 22:41:50,549 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:41:50,550 INFO L93 Difference]: Finished difference Result 2376 states and 3449 transitions. [2023-11-06 22:41:50,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 113 states. [2023-11-06 22:41:50,551 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 5.5625) internal successors, (89), 16 states have internal predecessors, (89), 4 states have call successors, (46), 3 states have call predecessors, (46), 5 states have return successors, (46), 4 states have call predecessors, (46), 4 states have call successors, (46) Word has length 154 [2023-11-06 22:41:50,552 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:41:50,577 INFO L225 Difference]: With dead ends: 2376 [2023-11-06 22:41:50,578 INFO L226 Difference]: Without dead ends: 2268 [2023-11-06 22:41:50,587 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 432 GetRequests, 318 SyntacticMatches, 0 SemanticMatches, 114 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5566 ImplicationChecksByTransitivity, 3.9s TimeCoverageRelationStatistics Valid=2747, Invalid=10593, Unknown=0, NotChecked=0, Total=13340 [2023-11-06 22:41:50,588 INFO L413 NwaCegarLoop]: 132 mSDtfsCounter, 1978 mSDsluCounter, 1571 mSDsCounter, 0 mSdLazyCounter, 2492 mSolverCounterSat, 1048 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2065 SdHoareTripleChecker+Valid, 1703 SdHoareTripleChecker+Invalid, 3540 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1048 IncrementalHoareTripleChecker+Valid, 2492 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.8s IncrementalHoareTripleChecker+Time [2023-11-06 22:41:50,588 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2065 Valid, 1703 Invalid, 3540 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1048 Valid, 2492 Invalid, 0 Unknown, 0 Unchecked, 8.8s Time] [2023-11-06 22:41:50,594 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2268 states. [2023-11-06 22:41:51,014 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2268 to 649. [2023-11-06 22:41:51,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 649 states, 456 states have (on average 1.3267543859649122) internal successors, (605), 461 states have internal predecessors, (605), 178 states have call successors, (178), 14 states have call predecessors, (178), 14 states have return successors, (178), 173 states have call predecessors, (178), 178 states have call successors, (178) [2023-11-06 22:41:51,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 649 states to 649 states and 961 transitions. [2023-11-06 22:41:51,026 INFO L78 Accepts]: Start accepts. Automaton has 649 states and 961 transitions. Word has length 154 [2023-11-06 22:41:51,028 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:41:51,028 INFO L495 AbstractCegarLoop]: Abstraction has 649 states and 961 transitions. [2023-11-06 22:41:51,029 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 5.5625) internal successors, (89), 16 states have internal predecessors, (89), 4 states have call successors, (46), 3 states have call predecessors, (46), 5 states have return successors, (46), 4 states have call predecessors, (46), 4 states have call successors, (46) [2023-11-06 22:41:51,029 INFO L276 IsEmpty]: Start isEmpty. Operand 649 states and 961 transitions. [2023-11-06 22:41:51,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2023-11-06 22:41:51,033 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:41:51,033 INFO L195 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:41:51,048 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc813535-12f7-4222-9ea7-9b88657064dd/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2023-11-06 22:41:51,241 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc813535-12f7-4222-9ea7-9b88657064dd/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:41:51,241 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:41:51,242 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:41:51,242 INFO L85 PathProgramCache]: Analyzing trace with hash 909402973, now seen corresponding path program 1 times [2023-11-06 22:41:51,242 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:41:51,242 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [884428646] [2023-11-06 22:41:51,242 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:41:51,242 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:41:51,323 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 22:41:51,323 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [193009133] [2023-11-06 22:41:51,323 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:41:51,324 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:41:51,324 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc813535-12f7-4222-9ea7-9b88657064dd/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:41:51,325 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc813535-12f7-4222-9ea7-9b88657064dd/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:41:51,350 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc813535-12f7-4222-9ea7-9b88657064dd/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-11-06 22:41:51,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:41:51,606 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-06 22:41:51,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:41:51,858 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-06 22:41:51,858 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-06 22:41:51,860 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-06 22:41:51,878 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc813535-12f7-4222-9ea7-9b88657064dd/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2023-11-06 22:41:52,069 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc813535-12f7-4222-9ea7-9b88657064dd/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:41:52,074 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2023-11-06 22:41:52,078 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-06 22:41:52,259 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.11 10:41:52 BoogieIcfgContainer [2023-11-06 22:41:52,259 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-06 22:41:52,260 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-06 22:41:52,260 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-06 22:41:52,260 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-06 22:41:52,261 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:41:31" (3/4) ... [2023-11-06 22:41:52,264 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-06 22:41:52,265 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-06 22:41:52,266 INFO L158 Benchmark]: Toolchain (without parser) took 22977.48ms. Allocated memory was 199.2MB in the beginning and 283.1MB in the end (delta: 83.9MB). Free memory was 165.9MB in the beginning and 174.2MB in the end (delta: -8.3MB). Peak memory consumption was 76.1MB. Max. memory is 16.1GB. [2023-11-06 22:41:52,266 INFO L158 Benchmark]: CDTParser took 0.74ms. Allocated memory is still 199.2MB. Free memory is still 174.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 22:41:52,267 INFO L158 Benchmark]: CACSL2BoogieTranslator took 615.46ms. Allocated memory is still 199.2MB. Free memory was 165.4MB in the beginning and 149.1MB in the end (delta: 16.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-06 22:41:52,267 INFO L158 Benchmark]: Boogie Procedure Inliner took 101.40ms. Allocated memory is still 199.2MB. Free memory was 149.1MB in the beginning and 143.4MB in the end (delta: 5.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-06 22:41:52,268 INFO L158 Benchmark]: Boogie Preprocessor took 79.40ms. Allocated memory is still 199.2MB. Free memory was 143.4MB in the beginning and 140.7MB in the end (delta: 2.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-06 22:41:52,268 INFO L158 Benchmark]: RCFGBuilder took 917.42ms. Allocated memory is still 199.2MB. Free memory was 140.7MB in the beginning and 111.9MB in the end (delta: 28.8MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. [2023-11-06 22:41:52,269 INFO L158 Benchmark]: TraceAbstraction took 21247.17ms. Allocated memory was 199.2MB in the beginning and 283.1MB in the end (delta: 83.9MB). Free memory was 110.9MB in the beginning and 175.2MB in the end (delta: -64.4MB). Peak memory consumption was 21.6MB. Max. memory is 16.1GB. [2023-11-06 22:41:52,269 INFO L158 Benchmark]: Witness Printer took 5.28ms. Allocated memory is still 283.1MB. Free memory is still 174.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 22:41:52,272 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.74ms. Allocated memory is still 199.2MB. Free memory is still 174.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 615.46ms. Allocated memory is still 199.2MB. Free memory was 165.4MB in the beginning and 149.1MB in the end (delta: 16.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 101.40ms. Allocated memory is still 199.2MB. Free memory was 149.1MB in the beginning and 143.4MB in the end (delta: 5.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 79.40ms. Allocated memory is still 199.2MB. Free memory was 143.4MB in the beginning and 140.7MB in the end (delta: 2.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 917.42ms. Allocated memory is still 199.2MB. Free memory was 140.7MB in the beginning and 111.9MB in the end (delta: 28.8MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. * TraceAbstraction took 21247.17ms. Allocated memory was 199.2MB in the beginning and 283.1MB in the end (delta: 83.9MB). Free memory was 110.9MB in the beginning and 175.2MB in the end (delta: -64.4MB). Peak memory consumption was 21.6MB. Max. memory is 16.1GB. * Witness Printer took 5.28ms. Allocated memory is still 283.1MB. Free memory is still 174.2MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 183, overapproximation of someBinaryArithmeticDOUBLEoperation at line 127, overapproximation of someBinaryDOUBLEComparisonOperation at line 183, overapproximation of someBinaryArithmeticFLOAToperation at line 86. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] float var_1_1 = 99999999999.75; [L23] float var_1_4 = 31.25; [L24] float var_1_5 = 0.0; [L25] float var_1_6 = 99.5; [L26] float var_1_7 = 500.5; [L27] double var_1_8 = 199.96; [L28] double var_1_9 = 256.95; [L29] signed long int var_1_11 = 1523382513; [L30] double var_1_14 = 32.6; [L31] double var_1_15 = 0.875; [L32] unsigned short int var_1_16 = 1; [L33] unsigned char var_1_17 = 1; [L34] float var_1_18 = 0.3; [L35] signed short int var_1_19 = 4; [L36] unsigned char var_1_20 = 0; [L37] unsigned char var_1_24 = 0; [L38] unsigned char var_1_25 = 16; [L39] unsigned char var_1_26 = 5; [L40] signed short int var_1_27 = 64; [L41] unsigned char var_1_28 = 1; [L42] float var_1_29 = 64.5; [L43] float var_1_30 = 0.0; [L44] unsigned long int var_1_31 = 2; [L45] unsigned long int var_1_32 = 1140371764; [L46] unsigned long int var_1_33 = 3119542188; [L47] double var_1_34 = 10.5; [L48] unsigned short int last_1_var_1_16 = 1; [L49] signed short int last_1_var_1_19 = 4; [L50] signed short int last_1_var_1_27 = 64; [L51] float last_1_var_1_29 = 64.5; [L52] unsigned long int last_1_var_1_31 = 2; VAL [isInitial=0, last_1_var_1_16=1, last_1_var_1_19=4, last_1_var_1_27=64, last_1_var_1_29=129/2, last_1_var_1_31=2, var_1_11=1523382513, var_1_14=163/5, var_1_15=7/8, var_1_16=1, var_1_17=1, var_1_18=3/10, var_1_19=4, var_1_1=399999999999/4, var_1_20=0, var_1_24=0, var_1_25=16, var_1_26=5, var_1_27=64, var_1_28=1, var_1_29=129/2, var_1_30=0, var_1_31=2, var_1_32=1140371764, var_1_33=3119542188, var_1_34=21/2, var_1_4=125/4, var_1_5=0, var_1_6=199/2, var_1_7=1001/2, var_1_8=4999/25, var_1_9=5139/20] [L187] isInitial = 1 [L188] FCALL initially() [L189] int k_loop; [L190] k_loop = 0 VAL [isInitial=1, k_loop=0, last_1_var_1_16=1, last_1_var_1_19=4, last_1_var_1_27=64, last_1_var_1_29=129/2, last_1_var_1_31=2, var_1_11=1523382513, var_1_14=163/5, var_1_15=7/8, var_1_16=1, var_1_17=1, var_1_18=3/10, var_1_19=4, var_1_1=399999999999/4, var_1_20=0, var_1_24=0, var_1_25=16, var_1_26=5, var_1_27=64, var_1_28=1, var_1_29=129/2, var_1_30=0, var_1_31=2, var_1_32=1140371764, var_1_33=3119542188, var_1_34=21/2, var_1_4=125/4, var_1_5=0, var_1_6=199/2, var_1_7=1001/2, var_1_8=4999/25, var_1_9=5139/20] [L190] COND TRUE k_loop < 1 [L191] CALL updateLastVariables() [L176] last_1_var_1_16 = var_1_16 [L177] last_1_var_1_19 = var_1_19 [L178] last_1_var_1_27 = var_1_27 [L179] last_1_var_1_29 = var_1_29 [L180] last_1_var_1_31 = var_1_31 VAL [isInitial=1, last_1_var_1_16=1, last_1_var_1_19=4, last_1_var_1_27=64, last_1_var_1_29=129/2, last_1_var_1_31=2, var_1_11=1523382513, var_1_14=163/5, var_1_15=7/8, var_1_16=1, var_1_17=1, var_1_18=3/10, var_1_19=4, var_1_1=399999999999/4, var_1_20=0, var_1_24=0, var_1_25=16, var_1_26=5, var_1_27=64, var_1_28=1, var_1_29=129/2, var_1_30=0, var_1_31=2, var_1_32=1140371764, var_1_33=3119542188, var_1_34=21/2, var_1_4=125/4, var_1_5=0, var_1_6=199/2, var_1_7=1001/2, var_1_8=4999/25, var_1_9=5139/20] [L191] RET updateLastVariables() [L192] CALL updateVariables() [L136] var_1_4 = __VERIFIER_nondet_float() [L137] CALL assume_abort_if_not((var_1_4 >= 0.0F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 9223372.036854765600e+12F && var_1_4 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=1, last_1_var_1_19=4, last_1_var_1_27=64, last_1_var_1_29=129/2, last_1_var_1_31=2, var_1_11=1523382513, var_1_14=163/5, var_1_15=7/8, var_1_16=1, var_1_17=1, var_1_18=3/10, var_1_19=4, var_1_1=399999999999/4, var_1_20=0, var_1_24=0, var_1_25=16, var_1_26=5, var_1_27=64, var_1_28=1, var_1_29=129/2, var_1_30=0, var_1_31=2, var_1_32=1140371764, var_1_33=3119542188, var_1_34=21/2, var_1_5=0, var_1_6=199/2, var_1_7=1001/2, var_1_8=4999/25, var_1_9=5139/20] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_16=1, last_1_var_1_19=4, last_1_var_1_27=64, last_1_var_1_29=129/2, last_1_var_1_31=2, var_1_11=1523382513, var_1_14=163/5, var_1_15=7/8, var_1_16=1, var_1_17=1, var_1_18=3/10, var_1_19=4, var_1_1=399999999999/4, var_1_20=0, var_1_24=0, var_1_25=16, var_1_26=5, var_1_27=64, var_1_28=1, var_1_29=129/2, var_1_30=0, var_1_31=2, var_1_32=1140371764, var_1_33=3119542188, var_1_34=21/2, var_1_5=0, var_1_6=199/2, var_1_7=1001/2, var_1_8=4999/25, var_1_9=5139/20] [L137] RET assume_abort_if_not((var_1_4 >= 0.0F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 9223372.036854765600e+12F && var_1_4 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_16=1, last_1_var_1_19=4, last_1_var_1_27=64, last_1_var_1_29=129/2, last_1_var_1_31=2, var_1_11=1523382513, var_1_14=163/5, var_1_15=7/8, var_1_16=1, var_1_17=1, var_1_18=3/10, var_1_19=4, var_1_1=399999999999/4, var_1_20=0, var_1_24=0, var_1_25=16, var_1_26=5, var_1_27=64, var_1_28=1, var_1_29=129/2, var_1_30=0, var_1_31=2, var_1_32=1140371764, var_1_33=3119542188, var_1_34=21/2, var_1_5=0, var_1_6=199/2, var_1_7=1001/2, var_1_8=4999/25, var_1_9=5139/20] [L138] var_1_5 = __VERIFIER_nondet_float() [L139] CALL assume_abort_if_not((var_1_5 >= 4611686.018427382800e+12F && var_1_5 <= -1.0e-20F) || (var_1_5 <= 9223372.036854765600e+12F && var_1_5 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=1, last_1_var_1_19=4, last_1_var_1_27=64, last_1_var_1_29=129/2, last_1_var_1_31=2, var_1_11=1523382513, var_1_14=163/5, var_1_15=7/8, var_1_16=1, var_1_17=1, var_1_18=3/10, var_1_19=4, var_1_1=399999999999/4, var_1_20=0, var_1_24=0, var_1_25=16, var_1_26=5, var_1_27=64, var_1_28=1, var_1_29=129/2, var_1_30=0, var_1_31=2, var_1_32=1140371764, var_1_33=3119542188, var_1_34=21/2, var_1_5=2, var_1_6=199/2, var_1_7=1001/2, var_1_8=4999/25, var_1_9=5139/20] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_16=1, last_1_var_1_19=4, last_1_var_1_27=64, last_1_var_1_29=129/2, last_1_var_1_31=2, var_1_11=1523382513, var_1_14=163/5, var_1_15=7/8, var_1_16=1, var_1_17=1, var_1_18=3/10, var_1_19=4, var_1_1=399999999999/4, var_1_20=0, var_1_24=0, var_1_25=16, var_1_26=5, var_1_27=64, var_1_28=1, var_1_29=129/2, var_1_30=0, var_1_31=2, var_1_32=1140371764, var_1_33=3119542188, var_1_34=21/2, var_1_5=2, var_1_6=199/2, var_1_7=1001/2, var_1_8=4999/25, var_1_9=5139/20] [L139] RET assume_abort_if_not((var_1_5 >= 4611686.018427382800e+12F && var_1_5 <= -1.0e-20F) || (var_1_5 <= 9223372.036854765600e+12F && var_1_5 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_16=1, last_1_var_1_19=4, last_1_var_1_27=64, last_1_var_1_29=129/2, last_1_var_1_31=2, var_1_11=1523382513, var_1_14=163/5, var_1_15=7/8, var_1_16=1, var_1_17=1, var_1_18=3/10, var_1_19=4, var_1_1=399999999999/4, var_1_20=0, var_1_24=0, var_1_25=16, var_1_26=5, var_1_27=64, var_1_28=1, var_1_29=129/2, var_1_30=0, var_1_31=2, var_1_32=1140371764, var_1_33=3119542188, var_1_34=21/2, var_1_5=2, var_1_6=199/2, var_1_7=1001/2, var_1_8=4999/25, var_1_9=5139/20] [L140] var_1_6 = __VERIFIER_nondet_float() [L141] CALL assume_abort_if_not((var_1_6 >= 0.0F && var_1_6 <= -1.0e-20F) || (var_1_6 <= 4611686.018427382800e+12F && var_1_6 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=1, last_1_var_1_19=4, last_1_var_1_27=64, last_1_var_1_29=129/2, last_1_var_1_31=2, var_1_11=1523382513, var_1_14=163/5, var_1_15=7/8, var_1_16=1, var_1_17=1, var_1_18=3/10, var_1_19=4, var_1_1=399999999999/4, var_1_20=0, var_1_24=0, var_1_25=16, var_1_26=5, var_1_27=64, var_1_28=1, var_1_29=129/2, var_1_30=0, var_1_31=2, var_1_32=1140371764, var_1_33=3119542188, var_1_34=21/2, var_1_5=2, var_1_6=3, var_1_7=1001/2, var_1_8=4999/25, var_1_9=5139/20] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_16=1, last_1_var_1_19=4, last_1_var_1_27=64, last_1_var_1_29=129/2, last_1_var_1_31=2, var_1_11=1523382513, var_1_14=163/5, var_1_15=7/8, var_1_16=1, var_1_17=1, var_1_18=3/10, var_1_19=4, var_1_1=399999999999/4, var_1_20=0, var_1_24=0, var_1_25=16, var_1_26=5, var_1_27=64, var_1_28=1, var_1_29=129/2, var_1_30=0, var_1_31=2, var_1_32=1140371764, var_1_33=3119542188, var_1_34=21/2, var_1_5=2, var_1_6=3, var_1_7=1001/2, var_1_8=4999/25, var_1_9=5139/20] [L141] RET assume_abort_if_not((var_1_6 >= 0.0F && var_1_6 <= -1.0e-20F) || (var_1_6 <= 4611686.018427382800e+12F && var_1_6 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_16=1, last_1_var_1_19=4, last_1_var_1_27=64, last_1_var_1_29=129/2, last_1_var_1_31=2, var_1_11=1523382513, var_1_14=163/5, var_1_15=7/8, var_1_16=1, var_1_17=1, var_1_18=3/10, var_1_19=4, var_1_1=399999999999/4, var_1_20=0, var_1_24=0, var_1_25=16, var_1_26=5, var_1_27=64, var_1_28=1, var_1_29=129/2, var_1_30=0, var_1_31=2, var_1_32=1140371764, var_1_33=3119542188, var_1_34=21/2, var_1_5=2, var_1_6=3, var_1_7=1001/2, var_1_8=4999/25, var_1_9=5139/20] [L142] var_1_7 = __VERIFIER_nondet_float() [L143] CALL assume_abort_if_not((var_1_7 >= 0.0F && var_1_7 <= -1.0e-20F) || (var_1_7 <= 4611686.018427382800e+12F && var_1_7 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=1, last_1_var_1_19=4, last_1_var_1_27=64, last_1_var_1_29=129/2, last_1_var_1_31=2, var_1_11=1523382513, var_1_14=163/5, var_1_15=7/8, var_1_16=1, var_1_17=1, var_1_18=3/10, var_1_19=4, var_1_1=399999999999/4, var_1_20=0, var_1_24=0, var_1_25=16, var_1_26=5, var_1_27=64, var_1_28=1, var_1_29=129/2, var_1_30=0, var_1_31=2, var_1_32=1140371764, var_1_33=3119542188, var_1_34=21/2, var_1_5=2, var_1_6=3, var_1_7=4, var_1_8=4999/25, var_1_9=5139/20] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_16=1, last_1_var_1_19=4, last_1_var_1_27=64, last_1_var_1_29=129/2, last_1_var_1_31=2, var_1_11=1523382513, var_1_14=163/5, var_1_15=7/8, var_1_16=1, var_1_17=1, var_1_18=3/10, var_1_19=4, var_1_1=399999999999/4, var_1_20=0, var_1_24=0, var_1_25=16, var_1_26=5, var_1_27=64, var_1_28=1, var_1_29=129/2, var_1_30=0, var_1_31=2, var_1_32=1140371764, var_1_33=3119542188, var_1_34=21/2, var_1_5=2, var_1_6=3, var_1_7=4, var_1_8=4999/25, var_1_9=5139/20] [L143] RET assume_abort_if_not((var_1_7 >= 0.0F && var_1_7 <= -1.0e-20F) || (var_1_7 <= 4611686.018427382800e+12F && var_1_7 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_16=1, last_1_var_1_19=4, last_1_var_1_27=64, last_1_var_1_29=129/2, last_1_var_1_31=2, var_1_11=1523382513, var_1_14=163/5, var_1_15=7/8, var_1_16=1, var_1_17=1, var_1_18=3/10, var_1_19=4, var_1_1=399999999999/4, var_1_20=0, var_1_24=0, var_1_25=16, var_1_26=5, var_1_27=64, var_1_28=1, var_1_29=129/2, var_1_30=0, var_1_31=2, var_1_32=1140371764, var_1_33=3119542188, var_1_34=21/2, var_1_5=2, var_1_6=3, var_1_7=4, var_1_8=4999/25, var_1_9=5139/20] [L144] var_1_11 = __VERIFIER_nondet_long() [L145] CALL assume_abort_if_not(var_1_11 >= 1073741823) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=1, last_1_var_1_19=4, last_1_var_1_27=64, last_1_var_1_29=129/2, last_1_var_1_31=2, var_1_11=2147483647, var_1_14=163/5, var_1_15=7/8, var_1_16=1, var_1_17=1, var_1_18=3/10, var_1_19=4, var_1_1=399999999999/4, var_1_20=0, var_1_24=0, var_1_25=16, var_1_26=5, var_1_27=64, var_1_28=1, var_1_29=129/2, var_1_30=0, var_1_31=2, var_1_32=1140371764, var_1_33=3119542188, var_1_34=21/2, var_1_5=2, var_1_6=3, var_1_7=4, var_1_8=4999/25, var_1_9=5139/20] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_16=1, last_1_var_1_19=4, last_1_var_1_27=64, last_1_var_1_29=129/2, last_1_var_1_31=2, var_1_11=2147483647, var_1_14=163/5, var_1_15=7/8, var_1_16=1, var_1_17=1, var_1_18=3/10, var_1_19=4, var_1_1=399999999999/4, var_1_20=0, var_1_24=0, var_1_25=16, var_1_26=5, var_1_27=64, var_1_28=1, var_1_29=129/2, var_1_30=0, var_1_31=2, var_1_32=1140371764, var_1_33=3119542188, var_1_34=21/2, var_1_5=2, var_1_6=3, var_1_7=4, var_1_8=4999/25, var_1_9=5139/20] [L145] RET assume_abort_if_not(var_1_11 >= 1073741823) VAL [isInitial=1, last_1_var_1_16=1, last_1_var_1_19=4, last_1_var_1_27=64, last_1_var_1_29=129/2, last_1_var_1_31=2, var_1_11=2147483647, var_1_14=163/5, var_1_15=7/8, var_1_16=1, var_1_17=1, var_1_18=3/10, var_1_19=4, var_1_1=399999999999/4, var_1_20=0, var_1_24=0, var_1_25=16, var_1_26=5, var_1_27=64, var_1_28=1, var_1_29=129/2, var_1_30=0, var_1_31=2, var_1_32=1140371764, var_1_33=3119542188, var_1_34=21/2, var_1_5=2, var_1_6=3, var_1_7=4, var_1_8=4999/25, var_1_9=5139/20] [L146] CALL assume_abort_if_not(var_1_11 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=1, last_1_var_1_19=4, last_1_var_1_27=64, last_1_var_1_29=129/2, last_1_var_1_31=2, var_1_11=2147483647, var_1_14=163/5, var_1_15=7/8, var_1_16=1, var_1_17=1, var_1_18=3/10, var_1_19=4, var_1_1=399999999999/4, var_1_20=0, var_1_24=0, var_1_25=16, var_1_26=5, var_1_27=64, var_1_28=1, var_1_29=129/2, var_1_30=0, var_1_31=2, var_1_32=1140371764, var_1_33=3119542188, var_1_34=21/2, var_1_5=2, var_1_6=3, var_1_7=4, var_1_8=4999/25, var_1_9=5139/20] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_16=1, last_1_var_1_19=4, last_1_var_1_27=64, last_1_var_1_29=129/2, last_1_var_1_31=2, var_1_11=2147483647, var_1_14=163/5, var_1_15=7/8, var_1_16=1, var_1_17=1, var_1_18=3/10, var_1_19=4, var_1_1=399999999999/4, var_1_20=0, var_1_24=0, var_1_25=16, var_1_26=5, var_1_27=64, var_1_28=1, var_1_29=129/2, var_1_30=0, var_1_31=2, var_1_32=1140371764, var_1_33=3119542188, var_1_34=21/2, var_1_5=2, var_1_6=3, var_1_7=4, var_1_8=4999/25, var_1_9=5139/20] [L146] RET assume_abort_if_not(var_1_11 <= 2147483647) VAL [isInitial=1, last_1_var_1_16=1, last_1_var_1_19=4, last_1_var_1_27=64, last_1_var_1_29=129/2, last_1_var_1_31=2, var_1_11=2147483647, var_1_14=163/5, var_1_15=7/8, var_1_16=1, var_1_17=1, var_1_18=3/10, var_1_19=4, var_1_1=399999999999/4, var_1_20=0, var_1_24=0, var_1_25=16, var_1_26=5, var_1_27=64, var_1_28=1, var_1_29=129/2, var_1_30=0, var_1_31=2, var_1_32=1140371764, var_1_33=3119542188, var_1_34=21/2, var_1_5=2, var_1_6=3, var_1_7=4, var_1_8=4999/25, var_1_9=5139/20] [L147] var_1_14 = __VERIFIER_nondet_double() [L148] CALL assume_abort_if_not((var_1_14 >= -230584.3009213691390e+13F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 2305843.009213691390e+12F && var_1_14 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=1, last_1_var_1_19=4, last_1_var_1_27=64, last_1_var_1_29=129/2, last_1_var_1_31=2, var_1_11=2147483647, var_1_14=5, var_1_15=7/8, var_1_16=1, var_1_17=1, var_1_18=3/10, var_1_19=4, var_1_1=399999999999/4, var_1_20=0, var_1_24=0, var_1_25=16, var_1_26=5, var_1_27=64, var_1_28=1, var_1_29=129/2, var_1_30=0, var_1_31=2, var_1_32=1140371764, var_1_33=3119542188, var_1_34=21/2, var_1_5=2, var_1_6=3, var_1_7=4, var_1_8=4999/25, var_1_9=5139/20] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_16=1, last_1_var_1_19=4, last_1_var_1_27=64, last_1_var_1_29=129/2, last_1_var_1_31=2, var_1_11=2147483647, var_1_14=5, var_1_15=7/8, var_1_16=1, var_1_17=1, var_1_18=3/10, var_1_19=4, var_1_1=399999999999/4, var_1_20=0, var_1_24=0, var_1_25=16, var_1_26=5, var_1_27=64, var_1_28=1, var_1_29=129/2, var_1_30=0, var_1_31=2, var_1_32=1140371764, var_1_33=3119542188, var_1_34=21/2, var_1_5=2, var_1_6=3, var_1_7=4, var_1_8=4999/25, var_1_9=5139/20] [L148] RET assume_abort_if_not((var_1_14 >= -230584.3009213691390e+13F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 2305843.009213691390e+12F && var_1_14 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_16=1, last_1_var_1_19=4, last_1_var_1_27=64, last_1_var_1_29=129/2, last_1_var_1_31=2, var_1_11=2147483647, var_1_14=5, var_1_15=7/8, var_1_16=1, var_1_17=1, var_1_18=3/10, var_1_19=4, var_1_1=399999999999/4, var_1_20=0, var_1_24=0, var_1_25=16, var_1_26=5, var_1_27=64, var_1_28=1, var_1_29=129/2, var_1_30=0, var_1_31=2, var_1_32=1140371764, var_1_33=3119542188, var_1_34=21/2, var_1_5=2, var_1_6=3, var_1_7=4, var_1_8=4999/25, var_1_9=5139/20] [L149] var_1_15 = __VERIFIER_nondet_double() [L150] CALL assume_abort_if_not((var_1_15 >= -230584.3009213691390e+13F && var_1_15 <= -1.0e-20F) || (var_1_15 <= 2305843.009213691390e+12F && var_1_15 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=1, last_1_var_1_19=4, last_1_var_1_27=64, last_1_var_1_29=129/2, last_1_var_1_31=2, var_1_11=2147483647, var_1_14=5, var_1_15=6, var_1_16=1, var_1_17=1, var_1_18=3/10, var_1_19=4, var_1_1=399999999999/4, var_1_20=0, var_1_24=0, var_1_25=16, var_1_26=5, var_1_27=64, var_1_28=1, var_1_29=129/2, var_1_30=0, var_1_31=2, var_1_32=1140371764, var_1_33=3119542188, var_1_34=21/2, var_1_5=2, var_1_6=3, var_1_7=4, var_1_8=4999/25, var_1_9=5139/20] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_16=1, last_1_var_1_19=4, last_1_var_1_27=64, last_1_var_1_29=129/2, last_1_var_1_31=2, var_1_11=2147483647, var_1_14=5, var_1_15=6, var_1_16=1, var_1_17=1, var_1_18=3/10, var_1_19=4, var_1_1=399999999999/4, var_1_20=0, var_1_24=0, var_1_25=16, var_1_26=5, var_1_27=64, var_1_28=1, var_1_29=129/2, var_1_30=0, var_1_31=2, var_1_32=1140371764, var_1_33=3119542188, var_1_34=21/2, var_1_5=2, var_1_6=3, var_1_7=4, var_1_8=4999/25, var_1_9=5139/20] [L150] RET assume_abort_if_not((var_1_15 >= -230584.3009213691390e+13F && var_1_15 <= -1.0e-20F) || (var_1_15 <= 2305843.009213691390e+12F && var_1_15 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_16=1, last_1_var_1_19=4, last_1_var_1_27=64, last_1_var_1_29=129/2, last_1_var_1_31=2, var_1_11=2147483647, var_1_14=5, var_1_15=6, var_1_16=1, var_1_17=1, var_1_18=3/10, var_1_19=4, var_1_1=399999999999/4, var_1_20=0, var_1_24=0, var_1_25=16, var_1_26=5, var_1_27=64, var_1_28=1, var_1_29=129/2, var_1_30=0, var_1_31=2, var_1_32=1140371764, var_1_33=3119542188, var_1_34=21/2, var_1_5=2, var_1_6=3, var_1_7=4, var_1_8=4999/25, var_1_9=5139/20] [L151] var_1_17 = __VERIFIER_nondet_uchar() [L152] CALL assume_abort_if_not(var_1_17 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=1, last_1_var_1_19=4, last_1_var_1_27=64, last_1_var_1_29=129/2, last_1_var_1_31=2, var_1_11=2147483647, var_1_14=5, var_1_15=6, var_1_16=1, var_1_17=0, var_1_18=3/10, var_1_19=4, var_1_1=399999999999/4, var_1_20=0, var_1_24=0, var_1_25=16, var_1_26=5, var_1_27=64, var_1_28=1, var_1_29=129/2, var_1_30=0, var_1_31=2, var_1_32=1140371764, var_1_33=3119542188, var_1_34=21/2, var_1_5=2, var_1_6=3, var_1_7=4, var_1_8=4999/25, var_1_9=5139/20] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_16=1, last_1_var_1_19=4, last_1_var_1_27=64, last_1_var_1_29=129/2, last_1_var_1_31=2, var_1_11=2147483647, var_1_14=5, var_1_15=6, var_1_16=1, var_1_17=0, var_1_18=3/10, var_1_19=4, var_1_1=399999999999/4, var_1_20=0, var_1_24=0, var_1_25=16, var_1_26=5, var_1_27=64, var_1_28=1, var_1_29=129/2, var_1_30=0, var_1_31=2, var_1_32=1140371764, var_1_33=3119542188, var_1_34=21/2, var_1_5=2, var_1_6=3, var_1_7=4, var_1_8=4999/25, var_1_9=5139/20] [L152] RET assume_abort_if_not(var_1_17 >= 0) VAL [isInitial=1, last_1_var_1_16=1, last_1_var_1_19=4, last_1_var_1_27=64, last_1_var_1_29=129/2, last_1_var_1_31=2, var_1_11=2147483647, var_1_14=5, var_1_15=6, var_1_16=1, var_1_17=0, var_1_18=3/10, var_1_19=4, var_1_1=399999999999/4, var_1_20=0, var_1_24=0, var_1_25=16, var_1_26=5, var_1_27=64, var_1_28=1, var_1_29=129/2, var_1_30=0, var_1_31=2, var_1_32=1140371764, var_1_33=3119542188, var_1_34=21/2, var_1_5=2, var_1_6=3, var_1_7=4, var_1_8=4999/25, var_1_9=5139/20] [L153] CALL assume_abort_if_not(var_1_17 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=1, last_1_var_1_19=4, last_1_var_1_27=64, last_1_var_1_29=129/2, last_1_var_1_31=2, var_1_11=2147483647, var_1_14=5, var_1_15=6, var_1_16=1, var_1_17=0, var_1_18=3/10, var_1_19=4, var_1_1=399999999999/4, var_1_20=0, var_1_24=0, var_1_25=16, var_1_26=5, var_1_27=64, var_1_28=1, var_1_29=129/2, var_1_30=0, var_1_31=2, var_1_32=1140371764, var_1_33=3119542188, var_1_34=21/2, var_1_5=2, var_1_6=3, var_1_7=4, var_1_8=4999/25, var_1_9=5139/20] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_16=1, last_1_var_1_19=4, last_1_var_1_27=64, last_1_var_1_29=129/2, last_1_var_1_31=2, var_1_11=2147483647, var_1_14=5, var_1_15=6, var_1_16=1, var_1_17=0, var_1_18=3/10, var_1_19=4, var_1_1=399999999999/4, var_1_20=0, var_1_24=0, var_1_25=16, var_1_26=5, var_1_27=64, var_1_28=1, var_1_29=129/2, var_1_30=0, var_1_31=2, var_1_32=1140371764, var_1_33=3119542188, var_1_34=21/2, var_1_5=2, var_1_6=3, var_1_7=4, var_1_8=4999/25, var_1_9=5139/20] [L153] RET assume_abort_if_not(var_1_17 <= 1) VAL [isInitial=1, last_1_var_1_16=1, last_1_var_1_19=4, last_1_var_1_27=64, last_1_var_1_29=129/2, last_1_var_1_31=2, var_1_11=2147483647, var_1_14=5, var_1_15=6, var_1_16=1, var_1_17=0, var_1_18=3/10, var_1_19=4, var_1_1=399999999999/4, var_1_20=0, var_1_24=0, var_1_25=16, var_1_26=5, var_1_27=64, var_1_28=1, var_1_29=129/2, var_1_30=0, var_1_31=2, var_1_32=1140371764, var_1_33=3119542188, var_1_34=21/2, var_1_5=2, var_1_6=3, var_1_7=4, var_1_8=4999/25, var_1_9=5139/20] [L154] var_1_20 = __VERIFIER_nondet_uchar() [L155] CALL assume_abort_if_not(var_1_20 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=1, last_1_var_1_19=4, last_1_var_1_27=64, last_1_var_1_29=129/2, last_1_var_1_31=2, var_1_11=2147483647, var_1_14=5, var_1_15=6, var_1_16=1, var_1_17=0, var_1_18=3/10, var_1_19=4, var_1_1=399999999999/4, var_1_20=1, var_1_24=0, var_1_25=16, var_1_26=5, var_1_27=64, var_1_28=1, var_1_29=129/2, var_1_30=0, var_1_31=2, var_1_32=1140371764, var_1_33=3119542188, var_1_34=21/2, var_1_5=2, var_1_6=3, var_1_7=4, var_1_8=4999/25, var_1_9=5139/20] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_16=1, last_1_var_1_19=4, last_1_var_1_27=64, last_1_var_1_29=129/2, last_1_var_1_31=2, var_1_11=2147483647, var_1_14=5, var_1_15=6, var_1_16=1, var_1_17=0, var_1_18=3/10, var_1_19=4, var_1_1=399999999999/4, var_1_20=1, var_1_24=0, var_1_25=16, var_1_26=5, var_1_27=64, var_1_28=1, var_1_29=129/2, var_1_30=0, var_1_31=2, var_1_32=1140371764, var_1_33=3119542188, var_1_34=21/2, var_1_5=2, var_1_6=3, var_1_7=4, var_1_8=4999/25, var_1_9=5139/20] [L155] RET assume_abort_if_not(var_1_20 >= 0) VAL [isInitial=1, last_1_var_1_16=1, last_1_var_1_19=4, last_1_var_1_27=64, last_1_var_1_29=129/2, last_1_var_1_31=2, var_1_11=2147483647, var_1_14=5, var_1_15=6, var_1_16=1, var_1_17=0, var_1_18=3/10, var_1_19=4, var_1_1=399999999999/4, var_1_20=1, var_1_24=0, var_1_25=16, var_1_26=5, var_1_27=64, var_1_28=1, var_1_29=129/2, var_1_30=0, var_1_31=2, var_1_32=1140371764, var_1_33=3119542188, var_1_34=21/2, var_1_5=2, var_1_6=3, var_1_7=4, var_1_8=4999/25, var_1_9=5139/20] [L156] CALL assume_abort_if_not(var_1_20 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=1, last_1_var_1_19=4, last_1_var_1_27=64, last_1_var_1_29=129/2, last_1_var_1_31=2, var_1_11=2147483647, var_1_14=5, var_1_15=6, var_1_16=1, var_1_17=0, var_1_18=3/10, var_1_19=4, var_1_1=399999999999/4, var_1_20=1, var_1_24=0, var_1_25=16, var_1_26=5, var_1_27=64, var_1_28=1, var_1_29=129/2, var_1_30=0, var_1_31=2, var_1_32=1140371764, var_1_33=3119542188, var_1_34=21/2, var_1_5=2, var_1_6=3, var_1_7=4, var_1_8=4999/25, var_1_9=5139/20] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_16=1, last_1_var_1_19=4, last_1_var_1_27=64, last_1_var_1_29=129/2, last_1_var_1_31=2, var_1_11=2147483647, var_1_14=5, var_1_15=6, var_1_16=1, var_1_17=0, var_1_18=3/10, var_1_19=4, var_1_1=399999999999/4, var_1_20=1, var_1_24=0, var_1_25=16, var_1_26=5, var_1_27=64, var_1_28=1, var_1_29=129/2, var_1_30=0, var_1_31=2, var_1_32=1140371764, var_1_33=3119542188, var_1_34=21/2, var_1_5=2, var_1_6=3, var_1_7=4, var_1_8=4999/25, var_1_9=5139/20] [L156] RET assume_abort_if_not(var_1_20 <= 1) VAL [isInitial=1, last_1_var_1_16=1, last_1_var_1_19=4, last_1_var_1_27=64, last_1_var_1_29=129/2, last_1_var_1_31=2, var_1_11=2147483647, var_1_14=5, var_1_15=6, var_1_16=1, var_1_17=0, var_1_18=3/10, var_1_19=4, var_1_1=399999999999/4, var_1_20=1, var_1_24=0, var_1_25=16, var_1_26=5, var_1_27=64, var_1_28=1, var_1_29=129/2, var_1_30=0, var_1_31=2, var_1_32=1140371764, var_1_33=3119542188, var_1_34=21/2, var_1_5=2, var_1_6=3, var_1_7=4, var_1_8=4999/25, var_1_9=5139/20] [L157] var_1_25 = __VERIFIER_nondet_uchar() [L158] CALL assume_abort_if_not(var_1_25 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=1, last_1_var_1_19=4, last_1_var_1_27=64, last_1_var_1_29=129/2, last_1_var_1_31=2, var_1_11=2147483647, var_1_14=5, var_1_15=6, var_1_16=1, var_1_17=0, var_1_18=3/10, var_1_19=4, var_1_1=399999999999/4, var_1_20=1, var_1_24=0, var_1_25=0, var_1_26=5, var_1_27=64, var_1_28=1, var_1_29=129/2, var_1_30=0, var_1_31=2, var_1_32=1140371764, var_1_33=3119542188, var_1_34=21/2, var_1_5=2, var_1_6=3, var_1_7=4, var_1_8=4999/25, var_1_9=5139/20] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_16=1, last_1_var_1_19=4, last_1_var_1_27=64, last_1_var_1_29=129/2, last_1_var_1_31=2, var_1_11=2147483647, var_1_14=5, var_1_15=6, var_1_16=1, var_1_17=0, var_1_18=3/10, var_1_19=4, var_1_1=399999999999/4, var_1_20=1, var_1_24=0, var_1_25=0, var_1_26=5, var_1_27=64, var_1_28=1, var_1_29=129/2, var_1_30=0, var_1_31=2, var_1_32=1140371764, var_1_33=3119542188, var_1_34=21/2, var_1_5=2, var_1_6=3, var_1_7=4, var_1_8=4999/25, var_1_9=5139/20] [L158] RET assume_abort_if_not(var_1_25 >= 0) VAL [isInitial=1, last_1_var_1_16=1, last_1_var_1_19=4, last_1_var_1_27=64, last_1_var_1_29=129/2, last_1_var_1_31=2, var_1_11=2147483647, var_1_14=5, var_1_15=6, var_1_16=1, var_1_17=0, var_1_18=3/10, var_1_19=4, var_1_1=399999999999/4, var_1_20=1, var_1_24=0, var_1_25=0, var_1_26=5, var_1_27=64, var_1_28=1, var_1_29=129/2, var_1_30=0, var_1_31=2, var_1_32=1140371764, var_1_33=3119542188, var_1_34=21/2, var_1_5=2, var_1_6=3, var_1_7=4, var_1_8=4999/25, var_1_9=5139/20] [L159] CALL assume_abort_if_not(var_1_25 <= 64) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=1, last_1_var_1_19=4, last_1_var_1_27=64, last_1_var_1_29=129/2, last_1_var_1_31=2, var_1_11=2147483647, var_1_14=5, var_1_15=6, var_1_16=1, var_1_17=0, var_1_18=3/10, var_1_19=4, var_1_1=399999999999/4, var_1_20=1, var_1_24=0, var_1_25=0, var_1_26=5, var_1_27=64, var_1_28=1, var_1_29=129/2, var_1_30=0, var_1_31=2, var_1_32=1140371764, var_1_33=3119542188, var_1_34=21/2, var_1_5=2, var_1_6=3, var_1_7=4, var_1_8=4999/25, var_1_9=5139/20] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_16=1, last_1_var_1_19=4, last_1_var_1_27=64, last_1_var_1_29=129/2, last_1_var_1_31=2, var_1_11=2147483647, var_1_14=5, var_1_15=6, var_1_16=1, var_1_17=0, var_1_18=3/10, var_1_19=4, var_1_1=399999999999/4, var_1_20=1, var_1_24=0, var_1_25=0, var_1_26=5, var_1_27=64, var_1_28=1, var_1_29=129/2, var_1_30=0, var_1_31=2, var_1_32=1140371764, var_1_33=3119542188, var_1_34=21/2, var_1_5=2, var_1_6=3, var_1_7=4, var_1_8=4999/25, var_1_9=5139/20] [L159] RET assume_abort_if_not(var_1_25 <= 64) VAL [isInitial=1, last_1_var_1_16=1, last_1_var_1_19=4, last_1_var_1_27=64, last_1_var_1_29=129/2, last_1_var_1_31=2, var_1_11=2147483647, var_1_14=5, var_1_15=6, var_1_16=1, var_1_17=0, var_1_18=3/10, var_1_19=4, var_1_1=399999999999/4, var_1_20=1, var_1_24=0, var_1_25=0, var_1_26=5, var_1_27=64, var_1_28=1, var_1_29=129/2, var_1_30=0, var_1_31=2, var_1_32=1140371764, var_1_33=3119542188, var_1_34=21/2, var_1_5=2, var_1_6=3, var_1_7=4, var_1_8=4999/25, var_1_9=5139/20] [L160] var_1_26 = __VERIFIER_nondet_uchar() [L161] CALL assume_abort_if_not(var_1_26 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=1, last_1_var_1_19=4, last_1_var_1_27=64, last_1_var_1_29=129/2, last_1_var_1_31=2, var_1_11=2147483647, var_1_14=5, var_1_15=6, var_1_16=1, var_1_17=0, var_1_18=3/10, var_1_19=4, var_1_1=399999999999/4, var_1_20=1, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=64, var_1_28=1, var_1_29=129/2, var_1_30=0, var_1_31=2, var_1_32=1140371764, var_1_33=3119542188, var_1_34=21/2, var_1_5=2, var_1_6=3, var_1_7=4, var_1_8=4999/25, var_1_9=5139/20] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_16=1, last_1_var_1_19=4, last_1_var_1_27=64, last_1_var_1_29=129/2, last_1_var_1_31=2, var_1_11=2147483647, var_1_14=5, var_1_15=6, var_1_16=1, var_1_17=0, var_1_18=3/10, var_1_19=4, var_1_1=399999999999/4, var_1_20=1, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=64, var_1_28=1, var_1_29=129/2, var_1_30=0, var_1_31=2, var_1_32=1140371764, var_1_33=3119542188, var_1_34=21/2, var_1_5=2, var_1_6=3, var_1_7=4, var_1_8=4999/25, var_1_9=5139/20] [L161] RET assume_abort_if_not(var_1_26 >= 0) VAL [isInitial=1, last_1_var_1_16=1, last_1_var_1_19=4, last_1_var_1_27=64, last_1_var_1_29=129/2, last_1_var_1_31=2, var_1_11=2147483647, var_1_14=5, var_1_15=6, var_1_16=1, var_1_17=0, var_1_18=3/10, var_1_19=4, var_1_1=399999999999/4, var_1_20=1, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=64, var_1_28=1, var_1_29=129/2, var_1_30=0, var_1_31=2, var_1_32=1140371764, var_1_33=3119542188, var_1_34=21/2, var_1_5=2, var_1_6=3, var_1_7=4, var_1_8=4999/25, var_1_9=5139/20] [L162] CALL assume_abort_if_not(var_1_26 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=1, last_1_var_1_19=4, last_1_var_1_27=64, last_1_var_1_29=129/2, last_1_var_1_31=2, var_1_11=2147483647, var_1_14=5, var_1_15=6, var_1_16=1, var_1_17=0, var_1_18=3/10, var_1_19=4, var_1_1=399999999999/4, var_1_20=1, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=64, var_1_28=1, var_1_29=129/2, var_1_30=0, var_1_31=2, var_1_32=1140371764, var_1_33=3119542188, var_1_34=21/2, var_1_5=2, var_1_6=3, var_1_7=4, var_1_8=4999/25, var_1_9=5139/20] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_16=1, last_1_var_1_19=4, last_1_var_1_27=64, last_1_var_1_29=129/2, last_1_var_1_31=2, var_1_11=2147483647, var_1_14=5, var_1_15=6, var_1_16=1, var_1_17=0, var_1_18=3/10, var_1_19=4, var_1_1=399999999999/4, var_1_20=1, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=64, var_1_28=1, var_1_29=129/2, var_1_30=0, var_1_31=2, var_1_32=1140371764, var_1_33=3119542188, var_1_34=21/2, var_1_5=2, var_1_6=3, var_1_7=4, var_1_8=4999/25, var_1_9=5139/20] [L162] RET assume_abort_if_not(var_1_26 <= 127) VAL [isInitial=1, last_1_var_1_16=1, last_1_var_1_19=4, last_1_var_1_27=64, last_1_var_1_29=129/2, last_1_var_1_31=2, var_1_11=2147483647, var_1_14=5, var_1_15=6, var_1_16=1, var_1_17=0, var_1_18=3/10, var_1_19=4, var_1_1=399999999999/4, var_1_20=1, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=64, var_1_28=1, var_1_29=129/2, var_1_30=0, var_1_31=2, var_1_32=1140371764, var_1_33=3119542188, var_1_34=21/2, var_1_5=2, var_1_6=3, var_1_7=4, var_1_8=4999/25, var_1_9=5139/20] [L163] var_1_28 = __VERIFIER_nondet_uchar() [L164] CALL assume_abort_if_not(var_1_28 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=1, last_1_var_1_19=4, last_1_var_1_27=64, last_1_var_1_29=129/2, last_1_var_1_31=2, var_1_11=2147483647, var_1_14=5, var_1_15=6, var_1_16=1, var_1_17=0, var_1_18=3/10, var_1_19=4, var_1_1=399999999999/4, var_1_20=1, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=64, var_1_28=1, var_1_29=129/2, var_1_30=0, var_1_31=2, var_1_32=1140371764, var_1_33=3119542188, var_1_34=21/2, var_1_5=2, var_1_6=3, var_1_7=4, var_1_8=4999/25, var_1_9=5139/20] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_16=1, last_1_var_1_19=4, last_1_var_1_27=64, last_1_var_1_29=129/2, last_1_var_1_31=2, var_1_11=2147483647, var_1_14=5, var_1_15=6, var_1_16=1, var_1_17=0, var_1_18=3/10, var_1_19=4, var_1_1=399999999999/4, var_1_20=1, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=64, var_1_28=1, var_1_29=129/2, var_1_30=0, var_1_31=2, var_1_32=1140371764, var_1_33=3119542188, var_1_34=21/2, var_1_5=2, var_1_6=3, var_1_7=4, var_1_8=4999/25, var_1_9=5139/20] [L164] RET assume_abort_if_not(var_1_28 >= 0) VAL [isInitial=1, last_1_var_1_16=1, last_1_var_1_19=4, last_1_var_1_27=64, last_1_var_1_29=129/2, last_1_var_1_31=2, var_1_11=2147483647, var_1_14=5, var_1_15=6, var_1_16=1, var_1_17=0, var_1_18=3/10, var_1_19=4, var_1_1=399999999999/4, var_1_20=1, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=64, var_1_28=1, var_1_29=129/2, var_1_30=0, var_1_31=2, var_1_32=1140371764, var_1_33=3119542188, var_1_34=21/2, var_1_5=2, var_1_6=3, var_1_7=4, var_1_8=4999/25, var_1_9=5139/20] [L165] CALL assume_abort_if_not(var_1_28 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=1, last_1_var_1_19=4, last_1_var_1_27=64, last_1_var_1_29=129/2, last_1_var_1_31=2, var_1_11=2147483647, var_1_14=5, var_1_15=6, var_1_16=1, var_1_17=0, var_1_18=3/10, var_1_19=4, var_1_1=399999999999/4, var_1_20=1, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=64, var_1_28=1, var_1_29=129/2, var_1_30=0, var_1_31=2, var_1_32=1140371764, var_1_33=3119542188, var_1_34=21/2, var_1_5=2, var_1_6=3, var_1_7=4, var_1_8=4999/25, var_1_9=5139/20] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_16=1, last_1_var_1_19=4, last_1_var_1_27=64, last_1_var_1_29=129/2, last_1_var_1_31=2, var_1_11=2147483647, var_1_14=5, var_1_15=6, var_1_16=1, var_1_17=0, var_1_18=3/10, var_1_19=4, var_1_1=399999999999/4, var_1_20=1, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=64, var_1_28=1, var_1_29=129/2, var_1_30=0, var_1_31=2, var_1_32=1140371764, var_1_33=3119542188, var_1_34=21/2, var_1_5=2, var_1_6=3, var_1_7=4, var_1_8=4999/25, var_1_9=5139/20] [L165] RET assume_abort_if_not(var_1_28 <= 1) VAL [isInitial=1, last_1_var_1_16=1, last_1_var_1_19=4, last_1_var_1_27=64, last_1_var_1_29=129/2, last_1_var_1_31=2, var_1_11=2147483647, var_1_14=5, var_1_15=6, var_1_16=1, var_1_17=0, var_1_18=3/10, var_1_19=4, var_1_1=399999999999/4, var_1_20=1, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=64, var_1_28=1, var_1_29=129/2, var_1_30=0, var_1_31=2, var_1_32=1140371764, var_1_33=3119542188, var_1_34=21/2, var_1_5=2, var_1_6=3, var_1_7=4, var_1_8=4999/25, var_1_9=5139/20] [L166] var_1_30 = __VERIFIER_nondet_float() [L167] CALL assume_abort_if_not((var_1_30 >= 2305843.009213691390e+12F && var_1_30 <= -1.0e-20F) || (var_1_30 <= 4611686.018427382800e+12F && var_1_30 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=1, last_1_var_1_19=4, last_1_var_1_27=64, last_1_var_1_29=129/2, last_1_var_1_31=2, var_1_11=2147483647, var_1_14=5, var_1_15=6, var_1_16=1, var_1_17=0, var_1_18=3/10, var_1_19=4, var_1_1=399999999999/4, var_1_20=1, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=64, var_1_28=1, var_1_29=129/2, var_1_30=7, var_1_31=2, var_1_32=1140371764, var_1_33=3119542188, var_1_34=21/2, var_1_5=2, var_1_6=3, var_1_7=4, var_1_8=4999/25, var_1_9=5139/20] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_16=1, last_1_var_1_19=4, last_1_var_1_27=64, last_1_var_1_29=129/2, last_1_var_1_31=2, var_1_11=2147483647, var_1_14=5, var_1_15=6, var_1_16=1, var_1_17=0, var_1_18=3/10, var_1_19=4, var_1_1=399999999999/4, var_1_20=1, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=64, var_1_28=1, var_1_29=129/2, var_1_30=7, var_1_31=2, var_1_32=1140371764, var_1_33=3119542188, var_1_34=21/2, var_1_5=2, var_1_6=3, var_1_7=4, var_1_8=4999/25, var_1_9=5139/20] [L167] RET assume_abort_if_not((var_1_30 >= 2305843.009213691390e+12F && var_1_30 <= -1.0e-20F) || (var_1_30 <= 4611686.018427382800e+12F && var_1_30 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_16=1, last_1_var_1_19=4, last_1_var_1_27=64, last_1_var_1_29=129/2, last_1_var_1_31=2, var_1_11=2147483647, var_1_14=5, var_1_15=6, var_1_16=1, var_1_17=0, var_1_18=3/10, var_1_19=4, var_1_1=399999999999/4, var_1_20=1, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=64, var_1_28=1, var_1_29=129/2, var_1_30=7, var_1_31=2, var_1_32=1140371764, var_1_33=3119542188, var_1_34=21/2, var_1_5=2, var_1_6=3, var_1_7=4, var_1_8=4999/25, var_1_9=5139/20] [L168] var_1_32 = __VERIFIER_nondet_ulong() [L169] CALL assume_abort_if_not(var_1_32 >= 1073741824) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=1, last_1_var_1_19=4, last_1_var_1_27=64, last_1_var_1_29=129/2, last_1_var_1_31=2, var_1_11=2147483647, var_1_14=5, var_1_15=6, var_1_16=1, var_1_17=0, var_1_18=3/10, var_1_19=4, var_1_1=399999999999/4, var_1_20=1, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=64, var_1_28=1, var_1_29=129/2, var_1_30=7, var_1_31=2, var_1_32=2147483647, var_1_33=3119542188, var_1_34=21/2, var_1_5=2, var_1_6=3, var_1_7=4, var_1_8=4999/25, var_1_9=5139/20] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_16=1, last_1_var_1_19=4, last_1_var_1_27=64, last_1_var_1_29=129/2, last_1_var_1_31=2, var_1_11=2147483647, var_1_14=5, var_1_15=6, var_1_16=1, var_1_17=0, var_1_18=3/10, var_1_19=4, var_1_1=399999999999/4, var_1_20=1, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=64, var_1_28=1, var_1_29=129/2, var_1_30=7, var_1_31=2, var_1_32=2147483647, var_1_33=3119542188, var_1_34=21/2, var_1_5=2, var_1_6=3, var_1_7=4, var_1_8=4999/25, var_1_9=5139/20] [L169] RET assume_abort_if_not(var_1_32 >= 1073741824) VAL [isInitial=1, last_1_var_1_16=1, last_1_var_1_19=4, last_1_var_1_27=64, last_1_var_1_29=129/2, last_1_var_1_31=2, var_1_11=2147483647, var_1_14=5, var_1_15=6, var_1_16=1, var_1_17=0, var_1_18=3/10, var_1_19=4, var_1_1=399999999999/4, var_1_20=1, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=64, var_1_28=1, var_1_29=129/2, var_1_30=7, var_1_31=2, var_1_32=2147483647, var_1_33=3119542188, var_1_34=21/2, var_1_5=2, var_1_6=3, var_1_7=4, var_1_8=4999/25, var_1_9=5139/20] [L170] CALL assume_abort_if_not(var_1_32 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=1, last_1_var_1_19=4, last_1_var_1_27=64, last_1_var_1_29=129/2, last_1_var_1_31=2, var_1_11=2147483647, var_1_14=5, var_1_15=6, var_1_16=1, var_1_17=0, var_1_18=3/10, var_1_19=4, var_1_1=399999999999/4, var_1_20=1, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=64, var_1_28=1, var_1_29=129/2, var_1_30=7, var_1_31=2, var_1_32=2147483647, var_1_33=3119542188, var_1_34=21/2, var_1_5=2, var_1_6=3, var_1_7=4, var_1_8=4999/25, var_1_9=5139/20] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_16=1, last_1_var_1_19=4, last_1_var_1_27=64, last_1_var_1_29=129/2, last_1_var_1_31=2, var_1_11=2147483647, var_1_14=5, var_1_15=6, var_1_16=1, var_1_17=0, var_1_18=3/10, var_1_19=4, var_1_1=399999999999/4, var_1_20=1, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=64, var_1_28=1, var_1_29=129/2, var_1_30=7, var_1_31=2, var_1_32=2147483647, var_1_33=3119542188, var_1_34=21/2, var_1_5=2, var_1_6=3, var_1_7=4, var_1_8=4999/25, var_1_9=5139/20] [L170] RET assume_abort_if_not(var_1_32 <= 2147483647) VAL [isInitial=1, last_1_var_1_16=1, last_1_var_1_19=4, last_1_var_1_27=64, last_1_var_1_29=129/2, last_1_var_1_31=2, var_1_11=2147483647, var_1_14=5, var_1_15=6, var_1_16=1, var_1_17=0, var_1_18=3/10, var_1_19=4, var_1_1=399999999999/4, var_1_20=1, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=64, var_1_28=1, var_1_29=129/2, var_1_30=7, var_1_31=2, var_1_32=2147483647, var_1_33=3119542188, var_1_34=21/2, var_1_5=2, var_1_6=3, var_1_7=4, var_1_8=4999/25, var_1_9=5139/20] [L171] var_1_33 = __VERIFIER_nondet_ulong() [L172] CALL assume_abort_if_not(var_1_33 >= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=1, last_1_var_1_19=4, last_1_var_1_27=64, last_1_var_1_29=129/2, last_1_var_1_31=2, var_1_11=2147483647, var_1_14=5, var_1_15=6, var_1_16=1, var_1_17=0, var_1_18=3/10, var_1_19=4, var_1_1=399999999999/4, var_1_20=1, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=64, var_1_28=1, var_1_29=129/2, var_1_30=7, var_1_31=2, var_1_32=2147483647, var_1_33=4294967294, var_1_34=21/2, var_1_5=2, var_1_6=3, var_1_7=4, var_1_8=4999/25, var_1_9=5139/20] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_16=1, last_1_var_1_19=4, last_1_var_1_27=64, last_1_var_1_29=129/2, last_1_var_1_31=2, var_1_11=2147483647, var_1_14=5, var_1_15=6, var_1_16=1, var_1_17=0, var_1_18=3/10, var_1_19=4, var_1_1=399999999999/4, var_1_20=1, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=64, var_1_28=1, var_1_29=129/2, var_1_30=7, var_1_31=2, var_1_32=2147483647, var_1_33=4294967294, var_1_34=21/2, var_1_5=2, var_1_6=3, var_1_7=4, var_1_8=4999/25, var_1_9=5139/20] [L172] RET assume_abort_if_not(var_1_33 >= 2147483647) VAL [isInitial=1, last_1_var_1_16=1, last_1_var_1_19=4, last_1_var_1_27=64, last_1_var_1_29=129/2, last_1_var_1_31=2, var_1_11=2147483647, var_1_14=5, var_1_15=6, var_1_16=1, var_1_17=0, var_1_18=3/10, var_1_19=4, var_1_1=399999999999/4, var_1_20=1, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=64, var_1_28=1, var_1_29=129/2, var_1_30=7, var_1_31=2, var_1_32=2147483647, var_1_33=4294967294, var_1_34=21/2, var_1_5=2, var_1_6=3, var_1_7=4, var_1_8=4999/25, var_1_9=5139/20] [L173] CALL assume_abort_if_not(var_1_33 <= 4294967294) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=1, last_1_var_1_19=4, last_1_var_1_27=64, last_1_var_1_29=129/2, last_1_var_1_31=2, var_1_11=2147483647, var_1_14=5, var_1_15=6, var_1_16=1, var_1_17=0, var_1_18=3/10, var_1_19=4, var_1_1=399999999999/4, var_1_20=1, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=64, var_1_28=1, var_1_29=129/2, var_1_30=7, var_1_31=2, var_1_32=2147483647, var_1_33=4294967294, var_1_34=21/2, var_1_5=2, var_1_6=3, var_1_7=4, var_1_8=4999/25, var_1_9=5139/20] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_16=1, last_1_var_1_19=4, last_1_var_1_27=64, last_1_var_1_29=129/2, last_1_var_1_31=2, var_1_11=2147483647, var_1_14=5, var_1_15=6, var_1_16=1, var_1_17=0, var_1_18=3/10, var_1_19=4, var_1_1=399999999999/4, var_1_20=1, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=64, var_1_28=1, var_1_29=129/2, var_1_30=7, var_1_31=2, var_1_32=2147483647, var_1_33=4294967294, var_1_34=21/2, var_1_5=2, var_1_6=3, var_1_7=4, var_1_8=4999/25, var_1_9=5139/20] [L173] RET assume_abort_if_not(var_1_33 <= 4294967294) VAL [isInitial=1, last_1_var_1_16=1, last_1_var_1_19=4, last_1_var_1_27=64, last_1_var_1_29=129/2, last_1_var_1_31=2, var_1_11=2147483647, var_1_14=5, var_1_15=6, var_1_16=1, var_1_17=0, var_1_18=3/10, var_1_19=4, var_1_1=399999999999/4, var_1_20=1, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=64, var_1_28=1, var_1_29=129/2, var_1_30=7, var_1_31=2, var_1_32=2147483647, var_1_33=4294967294, var_1_34=21/2, var_1_5=2, var_1_6=3, var_1_7=4, var_1_8=4999/25, var_1_9=5139/20] [L192] RET updateVariables() [L193] CALL step() [L56] unsigned long int stepLocal_1 = last_1_var_1_31; VAL [isInitial=1, last_1_var_1_16=1, last_1_var_1_19=4, last_1_var_1_27=64, last_1_var_1_29=129/2, last_1_var_1_31=2, stepLocal_1=2, var_1_11=2147483647, var_1_14=5, var_1_15=6, var_1_16=1, var_1_17=0, var_1_18=3/10, var_1_19=4, var_1_1=399999999999/4, var_1_20=1, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=64, var_1_28=1, var_1_29=129/2, var_1_30=7, var_1_31=2, var_1_32=2147483647, var_1_33=4294967294, var_1_34=21/2, var_1_5=2, var_1_6=3, var_1_7=4, var_1_8=4999/25, var_1_9=5139/20] [L57] COND FALSE !(var_1_4 < (last_1_var_1_29 + ((((var_1_6) < 0 ) ? -(var_1_6) : (var_1_6))))) [L64] var_1_8 = var_1_7 VAL [isInitial=1, last_1_var_1_16=1, last_1_var_1_19=4, last_1_var_1_27=64, last_1_var_1_29=129/2, last_1_var_1_31=2, stepLocal_1=2, var_1_11=2147483647, var_1_14=5, var_1_15=6, var_1_16=1, var_1_17=0, var_1_18=3/10, var_1_19=4, var_1_1=399999999999/4, var_1_20=1, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=64, var_1_28=1, var_1_29=129/2, var_1_30=7, var_1_31=2, var_1_32=2147483647, var_1_33=4294967294, var_1_34=21/2, var_1_5=2, var_1_6=3, var_1_7=4, var_1_8=4, var_1_9=5139/20] [L66] COND FALSE !(! var_1_20) [L73] var_1_24 = var_1_26 VAL [isInitial=1, last_1_var_1_16=1, last_1_var_1_19=4, last_1_var_1_27=64, last_1_var_1_29=129/2, last_1_var_1_31=2, stepLocal_1=2, var_1_11=2147483647, var_1_14=5, var_1_15=6, var_1_16=1, var_1_17=0, var_1_18=3/10, var_1_19=4, var_1_1=399999999999/4, var_1_20=1, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=64, var_1_28=1, var_1_29=129/2, var_1_30=7, var_1_31=2, var_1_32=2147483647, var_1_33=4294967294, var_1_34=21/2, var_1_5=2, var_1_6=3, var_1_7=4, var_1_8=4, var_1_9=5139/20] [L75] signed long int stepLocal_6 = (((var_1_24) < (var_1_24)) ? (var_1_24) : (var_1_24)); [L76] unsigned char stepLocal_5 = var_1_28; VAL [isInitial=1, last_1_var_1_16=1, last_1_var_1_19=4, last_1_var_1_27=64, last_1_var_1_29=129/2, last_1_var_1_31=2, stepLocal_1=2, stepLocal_5=1, stepLocal_6=0, var_1_11=2147483647, var_1_14=5, var_1_15=6, var_1_16=1, var_1_17=0, var_1_18=3/10, var_1_19=4, var_1_1=399999999999/4, var_1_20=1, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=64, var_1_28=1, var_1_29=129/2, var_1_30=7, var_1_31=2, var_1_32=2147483647, var_1_33=4294967294, var_1_34=21/2, var_1_5=2, var_1_6=3, var_1_7=4, var_1_8=4, var_1_9=5139/20] [L77] COND FALSE !(stepLocal_6 < var_1_25) VAL [isInitial=1, last_1_var_1_16=1, last_1_var_1_19=4, last_1_var_1_27=64, last_1_var_1_29=129/2, last_1_var_1_31=2, stepLocal_1=2, stepLocal_5=1, stepLocal_6=0, var_1_11=2147483647, var_1_14=5, var_1_15=6, var_1_16=1, var_1_17=0, var_1_18=3/10, var_1_19=4, var_1_1=399999999999/4, var_1_20=1, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=64, var_1_28=1, var_1_29=129/2, var_1_30=7, var_1_31=2, var_1_32=2147483647, var_1_33=4294967294, var_1_34=21/2, var_1_5=2, var_1_6=3, var_1_7=4, var_1_8=4, var_1_9=5139/20] [L82] signed long int stepLocal_0 = ~ var_1_24; VAL [isInitial=1, last_1_var_1_16=1, last_1_var_1_19=4, last_1_var_1_27=64, last_1_var_1_29=129/2, last_1_var_1_31=2, stepLocal_0=-1, stepLocal_1=2, stepLocal_5=1, stepLocal_6=0, var_1_11=2147483647, var_1_14=5, var_1_15=6, var_1_16=1, var_1_17=0, var_1_18=3/10, var_1_19=4, var_1_1=399999999999/4, var_1_20=1, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=64, var_1_28=1, var_1_29=129/2, var_1_30=7, var_1_31=2, var_1_32=2147483647, var_1_33=4294967294, var_1_34=21/2, var_1_5=2, var_1_6=3, var_1_7=4, var_1_8=4, var_1_9=5139/20] [L83] COND TRUE stepLocal_0 <= var_1_24 [L84] var_1_1 = (var_1_4 - (var_1_5 - ((((var_1_6) < (var_1_7)) ? (var_1_6) : (var_1_7))))) VAL [isInitial=1, last_1_var_1_16=1, last_1_var_1_19=4, last_1_var_1_27=64, last_1_var_1_29=129/2, last_1_var_1_31=2, stepLocal_0=-1, stepLocal_1=2, stepLocal_5=1, stepLocal_6=0, var_1_11=2147483647, var_1_14=5, var_1_15=6, var_1_16=1, var_1_17=0, var_1_18=3/10, var_1_19=4, var_1_20=1, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=64, var_1_28=1, var_1_29=129/2, var_1_30=7, var_1_31=2, var_1_32=2147483647, var_1_33=4294967294, var_1_34=21/2, var_1_5=2, var_1_6=3, var_1_7=4, var_1_8=4, var_1_9=5139/20] [L86] var_1_29 = (var_1_6 + ((var_1_30 - 7.6f) - var_1_7)) [L87] var_1_31 = ((((((var_1_11 + var_1_32)) > (var_1_33)) ? ((var_1_11 + var_1_32)) : (var_1_33))) - var_1_26) [L88] unsigned char stepLocal_3 = var_1_24; [L89] unsigned long int stepLocal_2 = var_1_31; VAL [isInitial=1, last_1_var_1_16=1, last_1_var_1_19=4, last_1_var_1_27=64, last_1_var_1_29=129/2, last_1_var_1_31=2, stepLocal_0=-1, stepLocal_1=2, stepLocal_2=4294967294, stepLocal_3=0, stepLocal_5=1, stepLocal_6=0, var_1_11=2147483647, var_1_14=5, var_1_15=6, var_1_16=1, var_1_17=0, var_1_18=3/10, var_1_19=4, var_1_20=1, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=64, var_1_28=1, var_1_30=7, var_1_31=4294967294, var_1_32=2147483647, var_1_33=4294967294, var_1_34=21/2, var_1_5=2, var_1_6=3, var_1_7=4, var_1_8=4, var_1_9=5139/20] [L90] COND FALSE !(\read(var_1_17)) [L97] var_1_16 = var_1_27 VAL [isInitial=1, last_1_var_1_16=1, last_1_var_1_19=4, last_1_var_1_27=64, last_1_var_1_29=129/2, last_1_var_1_31=2, stepLocal_0=-1, stepLocal_1=2, stepLocal_2=4294967294, stepLocal_3=0, stepLocal_5=1, stepLocal_6=0, var_1_11=2147483647, var_1_14=5, var_1_15=6, var_1_16=64, var_1_17=0, var_1_18=3/10, var_1_19=4, var_1_20=1, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=64, var_1_28=1, var_1_30=7, var_1_31=4294967294, var_1_32=2147483647, var_1_33=4294967294, var_1_34=21/2, var_1_5=2, var_1_6=3, var_1_7=4, var_1_8=4, var_1_9=5139/20] [L99] signed long int stepLocal_8 = ~ var_1_16; [L100] signed long int stepLocal_7 = var_1_24 / var_1_11; VAL [isInitial=1, last_1_var_1_16=1, last_1_var_1_19=4, last_1_var_1_27=64, last_1_var_1_29=129/2, last_1_var_1_31=2, stepLocal_0=-1, stepLocal_1=2, stepLocal_2=4294967294, stepLocal_3=0, stepLocal_5=1, stepLocal_6=0, stepLocal_7=0, stepLocal_8=-65, var_1_11=2147483647, var_1_14=5, var_1_15=6, var_1_16=64, var_1_17=0, var_1_18=3/10, var_1_19=4, var_1_20=1, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=64, var_1_28=1, var_1_30=7, var_1_31=4294967294, var_1_32=2147483647, var_1_33=4294967294, var_1_34=21/2, var_1_5=2, var_1_6=3, var_1_7=4, var_1_8=4, var_1_9=5139/20] [L101] COND FALSE !(stepLocal_8 > var_1_31) VAL [isInitial=1, last_1_var_1_16=1, last_1_var_1_19=4, last_1_var_1_27=64, last_1_var_1_29=129/2, last_1_var_1_31=2, stepLocal_0=-1, stepLocal_1=2, stepLocal_2=4294967294, stepLocal_3=0, stepLocal_5=1, stepLocal_6=0, stepLocal_7=0, stepLocal_8=-65, var_1_11=2147483647, var_1_14=5, var_1_15=6, var_1_16=64, var_1_17=0, var_1_18=3/10, var_1_19=4, var_1_20=1, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=64, var_1_28=1, var_1_30=7, var_1_31=4294967294, var_1_32=2147483647, var_1_33=4294967294, var_1_34=21/2, var_1_5=2, var_1_6=3, var_1_7=4, var_1_8=4, var_1_9=5139/20] [L108] unsigned char stepLocal_4 = var_1_17; VAL [isInitial=1, last_1_var_1_16=1, last_1_var_1_19=4, last_1_var_1_27=64, last_1_var_1_29=129/2, last_1_var_1_31=2, stepLocal_0=-1, stepLocal_1=2, stepLocal_2=4294967294, stepLocal_3=0, stepLocal_4=0, stepLocal_5=1, stepLocal_6=0, stepLocal_7=0, stepLocal_8=-65, var_1_11=2147483647, var_1_14=5, var_1_15=6, var_1_16=64, var_1_17=0, var_1_18=3/10, var_1_19=4, var_1_20=1, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=64, var_1_28=1, var_1_30=7, var_1_31=4294967294, var_1_32=2147483647, var_1_33=4294967294, var_1_34=21/2, var_1_5=2, var_1_6=3, var_1_7=4, var_1_8=4, var_1_9=5139/20] [L109] COND FALSE !(stepLocal_4 && var_1_20) VAL [isInitial=1, last_1_var_1_16=1, last_1_var_1_19=4, last_1_var_1_27=64, last_1_var_1_29=129/2, last_1_var_1_31=2, stepLocal_0=-1, stepLocal_1=2, stepLocal_2=4294967294, stepLocal_3=0, stepLocal_4=0, stepLocal_5=1, stepLocal_6=0, stepLocal_7=0, stepLocal_8=-65, var_1_11=2147483647, var_1_14=5, var_1_15=6, var_1_16=64, var_1_17=0, var_1_18=3/10, var_1_19=4, var_1_20=1, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=64, var_1_28=1, var_1_30=7, var_1_31=4294967294, var_1_32=2147483647, var_1_33=4294967294, var_1_34=21/2, var_1_5=2, var_1_6=3, var_1_7=4, var_1_8=4, var_1_9=5139/20] [L116] COND FALSE !((var_1_1 * (- var_1_5)) < (var_1_6 - var_1_7)) [L123] var_1_19 = ((var_1_16 + var_1_24) + 16) VAL [isInitial=1, last_1_var_1_16=1, last_1_var_1_19=4, last_1_var_1_27=64, last_1_var_1_29=129/2, last_1_var_1_31=2, stepLocal_0=-1, stepLocal_1=2, stepLocal_2=4294967294, stepLocal_3=0, stepLocal_4=0, stepLocal_5=1, stepLocal_6=0, stepLocal_7=0, stepLocal_8=-65, var_1_11=2147483647, var_1_14=5, var_1_15=6, var_1_16=64, var_1_17=0, var_1_18=3/10, var_1_19=80, var_1_20=1, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=64, var_1_28=1, var_1_30=7, var_1_31=4294967294, var_1_32=2147483647, var_1_33=4294967294, var_1_34=21/2, var_1_5=2, var_1_6=3, var_1_7=4, var_1_8=4, var_1_9=5139/20] [L126] COND TRUE (var_1_19 - var_1_16) < ((var_1_11 - var_1_24) - var_1_24) [L127] var_1_9 = (var_1_7 + ((((var_1_6) > ((var_1_14 + var_1_15))) ? (var_1_6) : ((var_1_14 + var_1_15))))) VAL [isInitial=1, last_1_var_1_16=1, last_1_var_1_19=4, last_1_var_1_27=64, last_1_var_1_29=129/2, last_1_var_1_31=2, stepLocal_0=-1, stepLocal_1=2, stepLocal_2=4294967294, stepLocal_3=0, stepLocal_4=0, stepLocal_5=1, stepLocal_6=0, stepLocal_7=0, stepLocal_8=-65, var_1_11=2147483647, var_1_14=5, var_1_15=6, var_1_16=64, var_1_17=0, var_1_18=3/10, var_1_19=80, var_1_20=1, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=64, var_1_28=1, var_1_30=7, var_1_31=4294967294, var_1_32=2147483647, var_1_33=4294967294, var_1_34=21/2, var_1_5=2, var_1_6=3, var_1_7=4, var_1_8=4] [L131] COND FALSE !(var_1_19 <= var_1_16) VAL [isInitial=1, last_1_var_1_16=1, last_1_var_1_19=4, last_1_var_1_27=64, last_1_var_1_29=129/2, last_1_var_1_31=2, stepLocal_0=-1, stepLocal_1=2, stepLocal_2=4294967294, stepLocal_3=0, stepLocal_4=0, stepLocal_5=1, stepLocal_6=0, stepLocal_7=0, stepLocal_8=-65, var_1_11=2147483647, var_1_14=5, var_1_15=6, var_1_16=64, var_1_17=0, var_1_18=3/10, var_1_19=80, var_1_20=1, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=64, var_1_28=1, var_1_30=7, var_1_31=4294967294, var_1_32=2147483647, var_1_33=4294967294, var_1_34=21/2, var_1_5=2, var_1_6=3, var_1_7=4, var_1_8=4] [L193] RET step() [L194] CALL, EXPR property() [L183-L184] return ((((((((((((~ var_1_24) <= var_1_24) ? (var_1_1 == ((float) (var_1_4 - (var_1_5 - ((((var_1_6) < (var_1_7)) ? (var_1_6) : (var_1_7))))))) : 1) && ((var_1_4 < (last_1_var_1_29 + ((((var_1_6) < 0 ) ? -(var_1_6) : (var_1_6))))) ? ((last_1_var_1_19 < last_1_var_1_31) ? (var_1_8 == ((double) (((((var_1_6) < 0 ) ? -(var_1_6) : (var_1_6))) + var_1_7))) : (var_1_8 == ((double) var_1_4))) : (var_1_8 == ((double) var_1_7)))) && (((var_1_19 - var_1_16) < ((var_1_11 - var_1_24) - var_1_24)) ? (var_1_9 == ((double) (var_1_7 + ((((var_1_6) > ((var_1_14 + var_1_15))) ? (var_1_6) : ((var_1_14 + var_1_15))))))) : (var_1_9 == ((double) (var_1_7 - var_1_5))))) && (var_1_17 ? ((var_1_11 <= var_1_24) ? ((var_1_24 <= var_1_31) ? (var_1_16 == ((unsigned short int) var_1_27)) : 1) : 1) : (var_1_16 == ((unsigned short int) var_1_27)))) && ((var_1_19 <= var_1_16) ? (var_1_18 == ((float) (var_1_15 + 64.4f))) : 1)) && ((var_1_17 && var_1_20) ? (var_1_17 ? (var_1_19 == ((signed short int) ((var_1_16 - var_1_24) + 50))) : (var_1_19 == ((signed short int) ((((var_1_24) > (var_1_16)) ? (var_1_24) : (var_1_16)))))) : (((var_1_1 * (- var_1_5)) < (var_1_6 - var_1_7)) ? ((var_1_14 == var_1_8) ? (var_1_19 == ((signed short int) var_1_16)) : (var_1_19 == ((signed short int) (var_1_16 + var_1_24)))) : (var_1_19 == ((signed short int) ((var_1_16 + var_1_24) + 16)))))) && ((! var_1_20) ? ((last_1_var_1_16 <= last_1_var_1_16) ? (var_1_24 == ((unsigned char) ((var_1_25 + 1) + var_1_26))) : (var_1_24 == ((unsigned char) var_1_26))) : (var_1_24 == ((unsigned char) var_1_26)))) && ((((((var_1_24) < (var_1_24)) ? (var_1_24) : (var_1_24))) < var_1_25) ? (((var_1_20 || var_1_17) && var_1_28) ? (var_1_27 == ((signed short int) (((((((((var_1_24) > (var_1_24)) ? (var_1_24) : (var_1_24))) + last_1_var_1_27)) < (((((var_1_25) > (var_1_26)) ? (var_1_25) : (var_1_26))))) ? ((((((var_1_24) > (var_1_24)) ? (var_1_24) : (var_1_24))) + last_1_var_1_27)) : (((((var_1_25) > (var_1_26)) ? (var_1_25) : (var_1_26)))))))) : 1) : 1)) && (var_1_29 == ((float) (var_1_6 + ((var_1_30 - 7.6f) - var_1_7))))) && (var_1_31 == ((unsigned long int) ((((((var_1_11 + var_1_32)) > (var_1_33)) ? ((var_1_11 + var_1_32)) : (var_1_33))) - var_1_26)))) && (((~ var_1_16) > var_1_31) ? (((var_1_24 / var_1_11) >= var_1_26) ? (var_1_34 == ((double) ((((((-5.2001036938992108E18) < 0 ) ? -(-5.2001036938992108E18) : (-5.2001036938992108E18))) - 50.25) - var_1_4))) : (var_1_34 == ((double) var_1_7))) : 1) ; VAL [\result=0, isInitial=1, last_1_var_1_16=1, last_1_var_1_19=4, last_1_var_1_27=64, last_1_var_1_29=129/2, last_1_var_1_31=2, var_1_11=2147483647, var_1_14=5, var_1_15=6, var_1_16=64, var_1_17=0, var_1_18=3/10, var_1_19=80, var_1_20=1, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=64, var_1_28=1, var_1_30=7, var_1_31=4294967294, var_1_32=2147483647, var_1_33=4294967294, var_1_34=21/2, var_1_5=2, var_1_6=3, var_1_7=4, var_1_8=4] [L194] RET, EXPR property() [L194] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_16=1, last_1_var_1_19=4, last_1_var_1_27=64, last_1_var_1_29=129/2, last_1_var_1_31=2, var_1_11=2147483647, var_1_14=5, var_1_15=6, var_1_16=64, var_1_17=0, var_1_18=3/10, var_1_19=80, var_1_20=1, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=64, var_1_28=1, var_1_30=7, var_1_31=4294967294, var_1_32=2147483647, var_1_33=4294967294, var_1_34=21/2, var_1_5=2, var_1_6=3, var_1_7=4, var_1_8=4] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_16=1, last_1_var_1_19=4, last_1_var_1_27=64, last_1_var_1_29=129/2, last_1_var_1_31=2, var_1_11=2147483647, var_1_14=5, var_1_15=6, var_1_16=64, var_1_17=0, var_1_18=3/10, var_1_19=80, var_1_20=1, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=64, var_1_28=1, var_1_30=7, var_1_31=4294967294, var_1_32=2147483647, var_1_33=4294967294, var_1_34=21/2, var_1_5=2, var_1_6=3, var_1_7=4, var_1_8=4] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 81 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 21.0s, OverallIterations: 6, TraceHistogramMax: 23, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 13.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2199 SdHoareTripleChecker+Valid, 8.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2112 mSDsluCounter, 2637 SdHoareTripleChecker+Invalid, 7.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2002 mSDsCounter, 1050 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2542 IncrementalHoareTripleChecker+Invalid, 3592 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1050 mSolverCounterUnsat, 635 mSDtfsCounter, 2542 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1045 GetRequests, 926 SyntacticMatches, 0 SemanticMatches, 119 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5566 ImplicationChecksByTransitivity, 3.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=649occurred in iteration=5, InterpolantAutomatonStates: 125, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.6s AutomataMinimizationTime, 5 MinimizatonAttempts, 1628 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 1.0s SatisfiabilityAnalysisTime, 2.5s InterpolantComputationTime, 1078 NumberOfCodeBlocks, 1078 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 918 ConstructedInterpolants, 0 QuantifiedInterpolants, 2827 SizeOfPredicates, 14 NumberOfNonLiveVariables, 1955 ConjunctsInSsa, 30 ConjunctsInUnsatCore, 6 InterpolantComputations, 4 PerfectInterpolantSequences, 5991/6072 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-06 22:41:52,336 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc813535-12f7-4222-9ea7-9b88657064dd/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc813535-12f7-4222-9ea7-9b88657064dd/bin/uautomizer-verify-WvqO1wxjHP/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc813535-12f7-4222-9ea7-9b88657064dd/bin/uautomizer-verify-WvqO1wxjHP/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc813535-12f7-4222-9ea7-9b88657064dd/bin/uautomizer-verify-WvqO1wxjHP/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc813535-12f7-4222-9ea7-9b88657064dd/bin/uautomizer-verify-WvqO1wxjHP/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-84.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc813535-12f7-4222-9ea7-9b88657064dd/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc813535-12f7-4222-9ea7-9b88657064dd/bin/uautomizer-verify-WvqO1wxjHP --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 046e4169d322167d7576c9c2b9007e1beb6aeeec9394209bc254f3d13fdc20dd --- Real Ultimate output --- This is Ultimate 0.2.3-dev-e7bb482 [2023-11-06 22:41:55,500 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-06 22:41:55,671 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc813535-12f7-4222-9ea7-9b88657064dd/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-11-06 22:41:55,682 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-06 22:41:55,684 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-06 22:41:55,741 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-06 22:41:55,743 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-06 22:41:55,743 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-06 22:41:55,745 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-06 22:41:55,751 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-06 22:41:55,753 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-06 22:41:55,753 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-06 22:41:55,754 INFO L153 SettingsManager]: * Use SBE=true [2023-11-06 22:41:55,757 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-06 22:41:55,758 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-06 22:41:55,758 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-06 22:41:55,759 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-06 22:41:55,760 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-06 22:41:55,760 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-06 22:41:55,762 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-06 22:41:55,762 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-06 22:41:55,763 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-06 22:41:55,764 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-06 22:41:55,764 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-06 22:41:55,765 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-06 22:41:55,766 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-06 22:41:55,766 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-06 22:41:55,767 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-06 22:41:55,767 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-06 22:41:55,768 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-06 22:41:55,770 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:41:55,770 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-06 22:41:55,771 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-06 22:41:55,771 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-11-06 22:41:55,772 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-06 22:41:55,772 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-06 22:41:55,772 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-06 22:41:55,773 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-06 22:41:55,773 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-06 22:41:55,774 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-06 22:41:55,775 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-06 22:41:55,775 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-06 22:41:55,775 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_fc813535-12f7-4222-9ea7-9b88657064dd/bin/uautomizer-verify-WvqO1wxjHP/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc813535-12f7-4222-9ea7-9b88657064dd/bin/uautomizer-verify-WvqO1wxjHP Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 046e4169d322167d7576c9c2b9007e1beb6aeeec9394209bc254f3d13fdc20dd [2023-11-06 22:41:56,305 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-06 22:41:56,331 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-06 22:41:56,335 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-06 22:41:56,336 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-06 22:41:56,337 INFO L274 PluginConnector]: CDTParser initialized [2023-11-06 22:41:56,339 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc813535-12f7-4222-9ea7-9b88657064dd/bin/uautomizer-verify-WvqO1wxjHP/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-84.i [2023-11-06 22:42:00,352 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-06 22:42:00,742 INFO L384 CDTParser]: Found 1 translation units. [2023-11-06 22:42:00,743 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc813535-12f7-4222-9ea7-9b88657064dd/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-84.i [2023-11-06 22:42:00,762 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc813535-12f7-4222-9ea7-9b88657064dd/bin/uautomizer-verify-WvqO1wxjHP/data/14d09e444/a68cfb7c8d64451bbc164f9a2a1046e3/FLAG35eb8711b [2023-11-06 22:42:00,781 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc813535-12f7-4222-9ea7-9b88657064dd/bin/uautomizer-verify-WvqO1wxjHP/data/14d09e444/a68cfb7c8d64451bbc164f9a2a1046e3 [2023-11-06 22:42:00,784 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-06 22:42:00,786 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-06 22:42:00,788 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-06 22:42:00,789 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-06 22:42:00,795 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-06 22:42:00,796 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:42:00" (1/1) ... [2023-11-06 22:42:00,798 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4ea8492b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:42:00, skipping insertion in model container [2023-11-06 22:42:00,798 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:42:00" (1/1) ... [2023-11-06 22:42:00,855 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 22:42:01,056 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_fc813535-12f7-4222-9ea7-9b88657064dd/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-84.i[916,929] [2023-11-06 22:42:01,253 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:42:01,285 INFO L202 MainTranslator]: Completed pre-run [2023-11-06 22:42:01,307 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_fc813535-12f7-4222-9ea7-9b88657064dd/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-84.i[916,929] [2023-11-06 22:42:01,410 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:42:01,466 INFO L206 MainTranslator]: Completed translation [2023-11-06 22:42:01,467 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:42:01 WrapperNode [2023-11-06 22:42:01,467 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-06 22:42:01,468 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-06 22:42:01,468 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-06 22:42:01,469 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-06 22:42:01,489 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:42:01" (1/1) ... [2023-11-06 22:42:01,547 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:42:01" (1/1) ... [2023-11-06 22:42:01,611 INFO L138 Inliner]: procedures = 27, calls = 36, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 192 [2023-11-06 22:42:01,613 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-06 22:42:01,615 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-06 22:42:01,615 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-06 22:42:01,615 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-06 22:42:01,628 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:42:01" (1/1) ... [2023-11-06 22:42:01,629 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:42:01" (1/1) ... [2023-11-06 22:42:01,649 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:42:01" (1/1) ... [2023-11-06 22:42:01,652 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:42:01" (1/1) ... [2023-11-06 22:42:01,676 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:42:01" (1/1) ... [2023-11-06 22:42:01,699 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:42:01" (1/1) ... [2023-11-06 22:42:01,703 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:42:01" (1/1) ... [2023-11-06 22:42:01,721 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:42:01" (1/1) ... [2023-11-06 22:42:01,727 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-06 22:42:01,728 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-06 22:42:01,729 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-06 22:42:01,729 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-06 22:42:01,732 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:42:01" (1/1) ... [2023-11-06 22:42:01,740 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:42:01,754 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc813535-12f7-4222-9ea7-9b88657064dd/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:42:01,770 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc813535-12f7-4222-9ea7-9b88657064dd/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-06 22:42:01,815 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc813535-12f7-4222-9ea7-9b88657064dd/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-06 22:42:01,828 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-06 22:42:01,829 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-06 22:42:01,829 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-06 22:42:01,829 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-06 22:42:01,830 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-06 22:42:01,831 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-06 22:42:02,013 INFO L236 CfgBuilder]: Building ICFG [2023-11-06 22:42:02,016 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-06 22:42:12,520 INFO L277 CfgBuilder]: Performing block encoding [2023-11-06 22:42:12,532 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-06 22:42:12,539 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-06 22:42:12,542 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:42:12 BoogieIcfgContainer [2023-11-06 22:42:12,543 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-06 22:42:12,547 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-06 22:42:12,550 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-06 22:42:12,555 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-06 22:42:12,555 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 10:42:00" (1/3) ... [2023-11-06 22:42:12,556 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@9023c63 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:42:12, skipping insertion in model container [2023-11-06 22:42:12,556 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:42:01" (2/3) ... [2023-11-06 22:42:12,559 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@9023c63 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:42:12, skipping insertion in model container [2023-11-06 22:42:12,560 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:42:12" (3/3) ... [2023-11-06 22:42:12,562 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_100-1loop_file-84.i [2023-11-06 22:42:12,581 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-06 22:42:12,582 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-06 22:42:12,645 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-06 22:42:12,654 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=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, 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;@48ae17fa, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-06 22:42:12,654 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-06 22:42:12,660 INFO L276 IsEmpty]: Start isEmpty. Operand has 81 states, 55 states have (on average 1.4181818181818182) internal successors, (78), 56 states have internal predecessors, (78), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2023-11-06 22:42:12,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2023-11-06 22:42:12,682 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:42:12,683 INFO L195 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:42:12,684 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:42:12,691 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:42:12,692 INFO L85 PathProgramCache]: Analyzing trace with hash 643814027, now seen corresponding path program 1 times [2023-11-06 22:42:12,710 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-06 22:42:12,711 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1559263123] [2023-11-06 22:42:12,711 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:42:12,712 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-06 22:42:12,712 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc813535-12f7-4222-9ea7-9b88657064dd/bin/uautomizer-verify-WvqO1wxjHP/mathsat [2023-11-06 22:42:12,719 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc813535-12f7-4222-9ea7-9b88657064dd/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-06 22:42:12,754 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc813535-12f7-4222-9ea7-9b88657064dd/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2023-11-06 22:42:13,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:42:13,959 INFO L262 TraceCheckSpWp]: Trace formula consists of 263 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-06 22:42:13,974 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:42:14,071 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 524 proven. 0 refuted. 0 times theorem prover too weak. 488 trivial. 0 not checked. [2023-11-06 22:42:14,075 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:42:14,076 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-06 22:42:14,077 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1559263123] [2023-11-06 22:42:14,078 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1559263123] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:42:14,078 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:42:14,078 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-06 22:42:14,080 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1103044520] [2023-11-06 22:42:14,082 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:42:14,089 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-06 22:42:14,090 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-06 22:42:14,140 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-06 22:42:14,141 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-06 22:42:14,144 INFO L87 Difference]: Start difference. First operand has 81 states, 55 states have (on average 1.4181818181818182) internal successors, (78), 56 states have internal predecessors, (78), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) Second operand has 2 states, 2 states have (on average 23.0) internal successors, (46), 2 states have internal predecessors, (46), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2023-11-06 22:42:14,187 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:42:14,188 INFO L93 Difference]: Finished difference Result 159 states and 268 transitions. [2023-11-06 22:42:14,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-06 22:42:14,191 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 23.0) internal successors, (46), 2 states have internal predecessors, (46), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 154 [2023-11-06 22:42:14,191 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:42:14,201 INFO L225 Difference]: With dead ends: 159 [2023-11-06 22:42:14,202 INFO L226 Difference]: Without dead ends: 77 [2023-11-06 22:42:14,207 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 153 GetRequests, 153 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-06 22:42:14,211 INFO L413 NwaCegarLoop]: 120 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 120 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-06 22:42:14,213 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 120 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 22:42:14,231 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2023-11-06 22:42:14,266 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 77. [2023-11-06 22:42:14,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 77 states, 52 states have (on average 1.3461538461538463) internal successors, (70), 52 states have internal predecessors, (70), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2023-11-06 22:42:14,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 116 transitions. [2023-11-06 22:42:14,273 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 116 transitions. Word has length 154 [2023-11-06 22:42:14,273 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:42:14,274 INFO L495 AbstractCegarLoop]: Abstraction has 77 states and 116 transitions. [2023-11-06 22:42:14,274 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 23.0) internal successors, (46), 2 states have internal predecessors, (46), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2023-11-06 22:42:14,275 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 116 transitions. [2023-11-06 22:42:14,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2023-11-06 22:42:14,280 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:42:14,281 INFO L195 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:42:14,308 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc813535-12f7-4222-9ea7-9b88657064dd/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2023-11-06 22:42:14,487 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc813535-12f7-4222-9ea7-9b88657064dd/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-06 22:42:14,487 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:42:14,488 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:42:14,488 INFO L85 PathProgramCache]: Analyzing trace with hash 1818668177, now seen corresponding path program 1 times [2023-11-06 22:42:14,491 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-06 22:42:14,491 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1442090940] [2023-11-06 22:42:14,492 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:42:14,493 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-06 22:42:14,493 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc813535-12f7-4222-9ea7-9b88657064dd/bin/uautomizer-verify-WvqO1wxjHP/mathsat [2023-11-06 22:42:14,495 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc813535-12f7-4222-9ea7-9b88657064dd/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-06 22:42:14,497 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc813535-12f7-4222-9ea7-9b88657064dd/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2023-11-06 22:42:15,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:42:15,747 INFO L262 TraceCheckSpWp]: Trace formula consists of 263 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-06 22:42:15,758 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:42:15,901 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2023-11-06 22:42:15,902 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:42:15,902 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-06 22:42:15,903 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1442090940] [2023-11-06 22:42:15,903 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1442090940] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:42:15,905 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:42:15,905 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-06 22:42:15,909 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1562463001] [2023-11-06 22:42:15,911 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:42:15,913 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 22:42:15,917 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-06 22:42:15,918 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 22:42:15,919 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 22:42:15,919 INFO L87 Difference]: Start difference. First operand 77 states and 116 transitions. Second operand has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2023-11-06 22:42:17,645 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.27s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-06 22:42:20,594 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.13s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-06 22:42:23,251 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.42s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-06 22:42:25,253 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 [] [2023-11-06 22:42:25,259 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:42:25,260 INFO L93 Difference]: Finished difference Result 151 states and 229 transitions. [2023-11-06 22:42:25,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 22:42:25,360 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 154 [2023-11-06 22:42:25,362 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:42:25,364 INFO L225 Difference]: With dead ends: 151 [2023-11-06 22:42:25,365 INFO L226 Difference]: Without dead ends: 77 [2023-11-06 22:42:25,370 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 153 GetRequests, 152 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 22:42:25,371 INFO L413 NwaCegarLoop]: 103 mSDtfsCounter, 26 mSDsluCounter, 81 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 184 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.3s IncrementalHoareTripleChecker+Time [2023-11-06 22:42:25,374 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [26 Valid, 184 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 3 Unknown, 0 Unchecked, 9.3s Time] [2023-11-06 22:42:25,378 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2023-11-06 22:42:25,391 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 77. [2023-11-06 22:42:25,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 77 states, 52 states have (on average 1.3269230769230769) internal successors, (69), 52 states have internal predecessors, (69), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2023-11-06 22:42:25,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 115 transitions. [2023-11-06 22:42:25,396 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 115 transitions. Word has length 154 [2023-11-06 22:42:25,398 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:42:25,398 INFO L495 AbstractCegarLoop]: Abstraction has 77 states and 115 transitions. [2023-11-06 22:42:25,399 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2023-11-06 22:42:25,399 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 115 transitions. [2023-11-06 22:42:25,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2023-11-06 22:42:25,403 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:42:25,403 INFO L195 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:42:25,433 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc813535-12f7-4222-9ea7-9b88657064dd/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2023-11-06 22:42:25,618 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc813535-12f7-4222-9ea7-9b88657064dd/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-06 22:42:25,619 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:42:25,619 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:42:25,620 INFO L85 PathProgramCache]: Analyzing trace with hash -1465181869, now seen corresponding path program 1 times [2023-11-06 22:42:25,621 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-06 22:42:25,621 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1897700160] [2023-11-06 22:42:25,621 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:42:25,621 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-06 22:42:25,622 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc813535-12f7-4222-9ea7-9b88657064dd/bin/uautomizer-verify-WvqO1wxjHP/mathsat [2023-11-06 22:42:25,628 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc813535-12f7-4222-9ea7-9b88657064dd/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-06 22:42:25,647 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc813535-12f7-4222-9ea7-9b88657064dd/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2023-11-06 22:42:26,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:42:26,791 INFO L262 TraceCheckSpWp]: Trace formula consists of 264 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-06 22:42:26,799 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:42:28,044 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 508 proven. 39 refuted. 0 times theorem prover too weak. 465 trivial. 0 not checked. [2023-11-06 22:42:28,044 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-06 22:42:28,293 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2023-11-06 22:42:28,294 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-06 22:42:28,294 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1897700160] [2023-11-06 22:42:28,294 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1897700160] provided 1 perfect and 1 imperfect interpolant sequences [2023-11-06 22:42:28,295 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-06 22:42:28,295 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [7] total 7 [2023-11-06 22:42:28,295 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [497801654] [2023-11-06 22:42:28,296 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:42:28,297 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-06 22:42:28,297 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-06 22:42:28,298 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-06 22:42:28,298 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2023-11-06 22:42:28,299 INFO L87 Difference]: Start difference. First operand 77 states and 115 transitions. Second operand has 4 states, 4 states have (on average 10.5) internal successors, (42), 4 states have internal predecessors, (42), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2023-11-06 22:42:30,846 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.37s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-06 22:42:32,853 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-06 22:42:34,859 WARN L539 Checker$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 [] [2023-11-06 22:42:36,861 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-06 22:42:38,873 WARN L539 Checker$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 [] [2023-11-06 22:42:40,879 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 [] [2023-11-06 22:42:41,023 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:42:41,023 INFO L93 Difference]: Finished difference Result 191 states and 283 transitions. [2023-11-06 22:42:41,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-06 22:42:41,024 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.5) internal successors, (42), 4 states have internal predecessors, (42), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 154 [2023-11-06 22:42:41,026 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:42:41,028 INFO L225 Difference]: With dead ends: 191 [2023-11-06 22:42:41,028 INFO L226 Difference]: Without dead ends: 117 [2023-11-06 22:42:41,030 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 307 GetRequests, 301 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2023-11-06 22:42:41,031 INFO L413 NwaCegarLoop]: 141 mSDtfsCounter, 61 mSDsluCounter, 245 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 1 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 61 SdHoareTripleChecker+Valid, 386 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.6s IncrementalHoareTripleChecker+Time [2023-11-06 22:42:41,032 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [61 Valid, 386 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 16 Invalid, 6 Unknown, 0 Unchecked, 12.6s Time] [2023-11-06 22:42:41,034 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 117 states. [2023-11-06 22:42:41,074 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 117 to 111. [2023-11-06 22:42:41,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 111 states, 77 states have (on average 1.3116883116883118) internal successors, (101), 78 states have internal predecessors, (101), 31 states have call successors, (31), 2 states have call predecessors, (31), 2 states have return successors, (31), 30 states have call predecessors, (31), 31 states have call successors, (31) [2023-11-06 22:42:41,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 163 transitions. [2023-11-06 22:42:41,079 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 163 transitions. Word has length 154 [2023-11-06 22:42:41,080 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:42:41,081 INFO L495 AbstractCegarLoop]: Abstraction has 111 states and 163 transitions. [2023-11-06 22:42:41,081 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.5) internal successors, (42), 4 states have internal predecessors, (42), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2023-11-06 22:42:41,081 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 163 transitions. [2023-11-06 22:42:41,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2023-11-06 22:42:41,086 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:42:41,086 INFO L195 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:42:41,133 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc813535-12f7-4222-9ea7-9b88657064dd/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2023-11-06 22:42:41,287 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc813535-12f7-4222-9ea7-9b88657064dd/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-06 22:42:41,287 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:42:41,288 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:42:41,288 INFO L85 PathProgramCache]: Analyzing trace with hash 907555931, now seen corresponding path program 1 times [2023-11-06 22:42:41,289 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-06 22:42:41,289 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1355128526] [2023-11-06 22:42:41,289 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:42:41,289 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-06 22:42:41,290 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc813535-12f7-4222-9ea7-9b88657064dd/bin/uautomizer-verify-WvqO1wxjHP/mathsat [2023-11-06 22:42:41,291 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc813535-12f7-4222-9ea7-9b88657064dd/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-06 22:42:41,299 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc813535-12f7-4222-9ea7-9b88657064dd/bin/uautomizer-verify-WvqO1wxjHP/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 [2023-11-06 22:42:42,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:42:42,437 INFO L262 TraceCheckSpWp]: Trace formula consists of 263 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-06 22:42:42,444 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:42:45,346 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 472 proven. 21 refuted. 0 times theorem prover too weak. 519 trivial. 0 not checked. [2023-11-06 22:42:45,347 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-06 22:42:46,351 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-06 22:42:46,352 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1355128526] [2023-11-06 22:42:46,352 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1355128526] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-06 22:42:46,352 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1407675195] [2023-11-06 22:42:46,352 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:42:46,353 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-06 22:42:46,353 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc813535-12f7-4222-9ea7-9b88657064dd/bin/uautomizer-verify-WvqO1wxjHP/cvc4 [2023-11-06 22:42:46,356 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc813535-12f7-4222-9ea7-9b88657064dd/bin/uautomizer-verify-WvqO1wxjHP/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-06 22:42:46,362 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc813535-12f7-4222-9ea7-9b88657064dd/bin/uautomizer-verify-WvqO1wxjHP/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2023-11-06 22:42:49,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:42:49,381 INFO L262 TraceCheckSpWp]: Trace formula consists of 263 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-06 22:42:49,388 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:42:51,810 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 472 proven. 21 refuted. 0 times theorem prover too weak. 519 trivial. 0 not checked. [2023-11-06 22:42:51,810 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-06 22:42:52,330 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1407675195] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-06 22:42:52,330 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-06 22:42:52,330 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 8 [2023-11-06 22:42:52,331 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [235959780] [2023-11-06 22:42:52,331 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-06 22:42:52,332 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-06 22:42:52,332 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-06 22:42:52,333 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-06 22:42:52,333 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=135, Unknown=0, NotChecked=0, Total=182 [2023-11-06 22:42:52,334 INFO L87 Difference]: Start difference. First operand 111 states and 163 transitions. Second operand has 9 states, 9 states have (on average 5.333333333333333) internal successors, (48), 8 states have internal predecessors, (48), 2 states have call successors, (23), 2 states have call predecessors, (23), 3 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2023-11-06 22:42:56,196 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-06 22:42:58,170 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.56s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-06 22:43:01,697 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-06 22:43:05,779 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-06 22:43:07,783 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-06 22:43:11,469 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-06 22:43:14,184 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-06 22:43:16,187 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-06 22:43:18,189 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-06 22:43:20,505 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-06 22:43:22,510 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-06 22:43:23,869 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.36s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-06 22:43:26,724 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.40s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-06 22:43:29,161 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.29s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-06 22:43:31,191 WARN L539 Checker$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 [0] [2023-11-06 22:43:33,194 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-06 22:43:34,708 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.51s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-06 22:43:37,060 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.33s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-06 22:43:39,065 WARN L539 Checker$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 [] [2023-11-06 22:43:41,071 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-06 22:43:43,077 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-06 22:43:45,080 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-06 22:43:47,083 WARN L539 Checker$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 [] [2023-11-06 22:43:49,089 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-06 22:43:51,092 WARN L539 Checker$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 [] [2023-11-06 22:43:53,097 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-06 22:43:55,102 WARN L539 Checker$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 [] [2023-11-06 22:43:57,110 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-06 22:43:59,117 WARN L539 Checker$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 [] [2023-11-06 22:44:01,126 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-06 22:44:03,141 WARN L539 Checker$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 [] [2023-11-06 22:44:05,142 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-06 22:44:07,149 WARN L539 Checker$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 [] [2023-11-06 22:44:09,160 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-06 22:44:11,167 WARN L539 Checker$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 [] [2023-11-06 22:44:13,176 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-06 22:44:15,181 WARN L539 Checker$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 [] [2023-11-06 22:44:17,184 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-06 22:44:19,194 WARN L539 Checker$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 [] [2023-11-06 22:44:26,215 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.60s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-06 22:44:28,342 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.74s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-06 22:44:31,179 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.69s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-06 22:44:32,366 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-06 22:44:35,214 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-06 22:44:37,223 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-06 22:44:38,648 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.42s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-06 22:44:40,938 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-06 22:44:42,941 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-06 22:44:44,088 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.15s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-06 22:44:46,003 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.22s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-06 22:44:48,439 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.40s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-06 22:44:50,444 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-06 22:44:52,446 WARN L539 Checker$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 [] [2023-11-06 22:44:54,450 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-06 22:44:56,452 WARN L539 Checker$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 [] [2023-11-06 22:44:58,459 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-06 22:45:00,483 WARN L539 Checker$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 [] [2023-11-06 22:45:02,487 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-06 22:45:04,515 WARN L539 Checker$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 [0] [2023-11-06 22:45:06,520 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-06 22:45:08,535 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-06 22:45:10,542 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-06 22:45:12,575 WARN L539 Checker$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 [0] [2023-11-06 22:45:14,710 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.32s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-06 22:45:15,109 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:45:15,110 INFO L93 Difference]: Finished difference Result 894 states and 1306 transitions. [2023-11-06 22:45:15,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2023-11-06 22:45:15,111 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 5.333333333333333) internal successors, (48), 8 states have internal predecessors, (48), 2 states have call successors, (23), 2 states have call predecessors, (23), 3 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 154 [2023-11-06 22:45:15,112 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:45:15,126 INFO L225 Difference]: With dead ends: 894 [2023-11-06 22:45:15,126 INFO L226 Difference]: Without dead ends: 786 [2023-11-06 22:45:15,129 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 455 GetRequests, 414 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 442 ImplicationChecksByTransitivity, 3.6s TimeCoverageRelationStatistics Valid=492, Invalid=1314, Unknown=0, NotChecked=0, Total=1806 [2023-11-06 22:45:15,130 INFO L413 NwaCegarLoop]: 128 mSDtfsCounter, 705 mSDsluCounter, 666 mSDsCounter, 0 mSdLazyCounter, 730 mSolverCounterSat, 275 mSolverCounterUnsat, 50 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 138.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 721 SdHoareTripleChecker+Valid, 794 SdHoareTripleChecker+Invalid, 1055 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 275 IncrementalHoareTripleChecker+Valid, 730 IncrementalHoareTripleChecker+Invalid, 50 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 139.8s IncrementalHoareTripleChecker+Time [2023-11-06 22:45:15,131 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [721 Valid, 794 Invalid, 1055 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [275 Valid, 730 Invalid, 50 Unknown, 0 Unchecked, 139.8s Time] [2023-11-06 22:45:15,134 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 786 states. [2023-11-06 22:45:15,279 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 786 to 357. [2023-11-06 22:45:15,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 357 states, 255 states have (on average 1.3411764705882352) internal successors, (342), 258 states have internal predecessors, (342), 93 states have call successors, (93), 8 states have call predecessors, (93), 8 states have return successors, (93), 90 states have call predecessors, (93), 93 states have call successors, (93) [2023-11-06 22:45:15,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 357 states to 357 states and 528 transitions. [2023-11-06 22:45:15,295 INFO L78 Accepts]: Start accepts. Automaton has 357 states and 528 transitions. Word has length 154 [2023-11-06 22:45:15,300 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:45:15,301 INFO L495 AbstractCegarLoop]: Abstraction has 357 states and 528 transitions. [2023-11-06 22:45:15,301 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 5.333333333333333) internal successors, (48), 8 states have internal predecessors, (48), 2 states have call successors, (23), 2 states have call predecessors, (23), 3 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2023-11-06 22:45:15,301 INFO L276 IsEmpty]: Start isEmpty. Operand 357 states and 528 transitions. [2023-11-06 22:45:15,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2023-11-06 22:45:15,316 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:45:15,316 INFO L195 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:45:15,349 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc813535-12f7-4222-9ea7-9b88657064dd/bin/uautomizer-verify-WvqO1wxjHP/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 [2023-11-06 22:45:15,535 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc813535-12f7-4222-9ea7-9b88657064dd/bin/uautomizer-verify-WvqO1wxjHP/cvc4 --incremental --print-success --lang smt (6)] Forceful destruction successful, exit code 0 [2023-11-06 22:45:15,723 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc813535-12f7-4222-9ea7-9b88657064dd/bin/uautomizer-verify-WvqO1wxjHP/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 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc813535-12f7-4222-9ea7-9b88657064dd/bin/uautomizer-verify-WvqO1wxjHP/cvc4 --incremental --print-success --lang smt [2023-11-06 22:45:15,723 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:45:15,724 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:45:15,724 INFO L85 PathProgramCache]: Analyzing trace with hash 909402973, now seen corresponding path program 1 times [2023-11-06 22:45:15,724 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-06 22:45:15,724 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1105986032] [2023-11-06 22:45:15,725 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:45:15,725 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-06 22:45:15,725 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc813535-12f7-4222-9ea7-9b88657064dd/bin/uautomizer-verify-WvqO1wxjHP/mathsat [2023-11-06 22:45:15,726 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc813535-12f7-4222-9ea7-9b88657064dd/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-06 22:45:15,727 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc813535-12f7-4222-9ea7-9b88657064dd/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2023-11-06 22:45:17,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:45:18,015 INFO L262 TraceCheckSpWp]: Trace formula consists of 262 conjuncts, 54 conjunts are in the unsatisfiable core [2023-11-06 22:45:18,026 INFO L285 TraceCheckSpWp]: Computing forward predicates...