./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c5aaf14-663f-4475-abad-50c031da344f/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c5aaf14-663f-4475-abad-50c031da344f/bin/uautomizer-verify-uCwYo4JHxu/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c5aaf14-663f-4475-abad-50c031da344f/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c5aaf14-663f-4475-abad-50c031da344f/bin/uautomizer-verify-uCwYo4JHxu/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c5aaf14-663f-4475-abad-50c031da344f/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c5aaf14-663f-4475-abad-50c031da344f/bin/uautomizer-verify-uCwYo4JHxu --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 50a57c27f965a2fe08061b76de57c2a45f21c49e0d373f19e2475a7595ce7210 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 07:46:26,906 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 07:46:27,047 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c5aaf14-663f-4475-abad-50c031da344f/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-19 07:46:27,059 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 07:46:27,060 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 07:46:27,116 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 07:46:27,117 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 07:46:27,118 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 07:46:27,120 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 07:46:27,126 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 07:46:27,128 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 07:46:27,128 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 07:46:27,129 INFO L153 SettingsManager]: * Use SBE=true [2023-11-19 07:46:27,131 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 07:46:27,132 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 07:46:27,132 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 07:46:27,133 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 07:46:27,134 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 07:46:27,134 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 07:46:27,135 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 07:46:27,136 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 07:46:27,137 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 07:46:27,137 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 07:46:27,139 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 07:46:27,140 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 07:46:27,141 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 07:46:27,142 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 07:46:27,143 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 07:46:27,143 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 07:46:27,144 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 07:46:27,146 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 07:46:27,146 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 07:46:27,147 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-19 07:46:27,147 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 07:46:27,147 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-19 07:46:27,148 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 07:46:27,148 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-19 07:46:27,148 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 07:46:27,149 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-19 07:46:27,149 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_1c5aaf14-663f-4475-abad-50c031da344f/bin/uautomizer-verify-uCwYo4JHxu/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c5aaf14-663f-4475-abad-50c031da344f/bin/uautomizer-verify-uCwYo4JHxu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 50a57c27f965a2fe08061b76de57c2a45f21c49e0d373f19e2475a7595ce7210 [2023-11-19 07:46:27,531 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 07:46:27,572 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 07:46:27,575 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 07:46:27,577 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 07:46:27,578 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 07:46:27,580 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c5aaf14-663f-4475-abad-50c031da344f/bin/uautomizer-verify-uCwYo4JHxu/../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-1.i [2023-11-19 07:46:30,934 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 07:46:31,277 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 07:46:31,287 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c5aaf14-663f-4475-abad-50c031da344f/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-1.i [2023-11-19 07:46:31,302 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c5aaf14-663f-4475-abad-50c031da344f/bin/uautomizer-verify-uCwYo4JHxu/data/ceda7ba14/df473db062154dc5973f353acf019fb7/FLAG4e48e2a92 [2023-11-19 07:46:31,326 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c5aaf14-663f-4475-abad-50c031da344f/bin/uautomizer-verify-uCwYo4JHxu/data/ceda7ba14/df473db062154dc5973f353acf019fb7 [2023-11-19 07:46:31,334 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 07:46:31,336 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 07:46:31,340 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 07:46:31,341 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 07:46:31,348 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 07:46:31,351 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:46:31" (1/1) ... [2023-11-19 07:46:31,353 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@558fa65 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:46:31, skipping insertion in model container [2023-11-19 07:46:31,353 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:46:31" (1/1) ... [2023-11-19 07:46:31,408 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 07:46:31,651 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_1c5aaf14-663f-4475-abad-50c031da344f/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-1.i[912,925] [2023-11-19 07:46:31,759 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:46:31,775 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 07:46:31,790 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_1c5aaf14-663f-4475-abad-50c031da344f/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-1.i[912,925] [2023-11-19 07:46:31,821 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:46:31,844 INFO L206 MainTranslator]: Completed translation [2023-11-19 07:46:31,845 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:46:31 WrapperNode [2023-11-19 07:46:31,845 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 07:46:31,846 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 07:46:31,847 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 07:46:31,847 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 07:46:31,856 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:46:31" (1/1) ... [2023-11-19 07:46:31,868 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:46:31" (1/1) ... [2023-11-19 07:46:31,911 INFO L138 Inliner]: procedures = 26, calls = 48, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 186 [2023-11-19 07:46:31,911 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 07:46:31,912 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 07:46:31,912 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 07:46:31,912 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 07:46:31,924 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:46:31" (1/1) ... [2023-11-19 07:46:31,924 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:46:31" (1/1) ... [2023-11-19 07:46:31,928 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:46:31" (1/1) ... [2023-11-19 07:46:31,928 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:46:31" (1/1) ... [2023-11-19 07:46:31,939 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:46:31" (1/1) ... [2023-11-19 07:46:31,944 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:46:31" (1/1) ... [2023-11-19 07:46:31,947 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:46:31" (1/1) ... [2023-11-19 07:46:31,950 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:46:31" (1/1) ... [2023-11-19 07:46:31,954 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 07:46:31,956 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 07:46:31,956 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 07:46:31,956 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 07:46:31,957 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:46:31" (1/1) ... [2023-11-19 07:46:31,967 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 07:46:31,986 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c5aaf14-663f-4475-abad-50c031da344f/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:46:32,011 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c5aaf14-663f-4475-abad-50c031da344f/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 07:46:32,036 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c5aaf14-663f-4475-abad-50c031da344f/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 07:46:32,070 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 07:46:32,071 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 07:46:32,071 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 07:46:32,072 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 07:46:32,072 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 07:46:32,073 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 07:46:32,224 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 07:46:32,227 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 07:46:32,761 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 07:46:32,787 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 07:46:32,794 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 07:46:32,800 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:46:32 BoogieIcfgContainer [2023-11-19 07:46:32,800 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 07:46:32,804 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 07:46:32,805 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 07:46:32,809 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 07:46:32,809 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 07:46:31" (1/3) ... [2023-11-19 07:46:32,810 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@74aeffec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:46:32, skipping insertion in model container [2023-11-19 07:46:32,813 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:46:31" (2/3) ... [2023-11-19 07:46:32,814 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@74aeffec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:46:32, skipping insertion in model container [2023-11-19 07:46:32,814 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:46:32" (3/3) ... [2023-11-19 07:46:32,816 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_codestructure_normal_file-1.i [2023-11-19 07:46:32,841 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 07:46:32,842 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-19 07:46:32,945 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 07:46:32,954 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=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@360bcc34, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-19 07:46:32,955 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-19 07:46:32,961 INFO L276 IsEmpty]: Start isEmpty. Operand has 85 states, 47 states have (on average 1.3191489361702127) internal successors, (62), 48 states have internal predecessors, (62), 35 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 35 states have call predecessors, (35), 35 states have call successors, (35) [2023-11-19 07:46:32,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2023-11-19 07:46:32,994 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:46:32,996 INFO L195 NwaCegarLoop]: trace histogram [35, 35, 35, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:46:32,997 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:46:33,005 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:46:33,007 INFO L85 PathProgramCache]: Analyzing trace with hash -852377427, now seen corresponding path program 1 times [2023-11-19 07:46:33,020 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:46:33,021 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1477712537] [2023-11-19 07:46:33,022 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:46:33,022 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:46:33,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:46:33,504 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:46:33,504 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1477712537] [2023-11-19 07:46:33,505 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2023-11-19 07:46:33,506 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1814374588] [2023-11-19 07:46:33,506 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:46:33,506 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 07:46:33,507 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c5aaf14-663f-4475-abad-50c031da344f/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:46:33,512 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c5aaf14-663f-4475-abad-50c031da344f/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 07:46:33,550 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c5aaf14-663f-4475-abad-50c031da344f/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-19 07:46:33,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:46:33,900 INFO L262 TraceCheckSpWp]: Trace formula consists of 485 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 07:46:33,931 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:46:34,055 INFO L134 CoverageAnalysis]: Checked inductivity of 2380 backedges. 68 proven. 0 refuted. 0 times theorem prover too weak. 2312 trivial. 0 not checked. [2023-11-19 07:46:34,056 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 07:46:34,057 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1814374588] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:46:34,057 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:46:34,058 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 07:46:34,061 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [429085572] [2023-11-19 07:46:34,062 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:46:34,070 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-19 07:46:34,071 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:46:34,124 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-19 07:46:34,125 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-19 07:46:34,129 INFO L87 Difference]: Start difference. First operand has 85 states, 47 states have (on average 1.3191489361702127) internal successors, (62), 48 states have internal predecessors, (62), 35 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 35 states have call predecessors, (35), 35 states have call successors, (35) Second operand has 2 states, 2 states have (on average 20.5) internal successors, (41), 2 states have internal predecessors, (41), 2 states have call successors, (35), 2 states have call predecessors, (35), 1 states have return successors, (35), 1 states have call predecessors, (35), 2 states have call successors, (35) [2023-11-19 07:46:34,212 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:46:34,213 INFO L93 Difference]: Finished difference Result 163 states and 293 transitions. [2023-11-19 07:46:34,214 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-19 07:46:34,215 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 20.5) internal successors, (41), 2 states have internal predecessors, (41), 2 states have call successors, (35), 2 states have call predecessors, (35), 1 states have return successors, (35), 1 states have call predecessors, (35), 2 states have call successors, (35) Word has length 211 [2023-11-19 07:46:34,216 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:46:34,228 INFO L225 Difference]: With dead ends: 163 [2023-11-19 07:46:34,228 INFO L226 Difference]: Without dead ends: 81 [2023-11-19 07:46:34,239 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 210 GetRequests, 210 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-19 07:46:34,244 INFO L413 NwaCegarLoop]: 125 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, 125 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 [2023-11-19 07:46:34,246 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 125 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 07:46:34,264 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81 states. [2023-11-19 07:46:34,307 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81 to 81. [2023-11-19 07:46:34,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 81 states, 44 states have (on average 1.25) internal successors, (55), 44 states have internal predecessors, (55), 35 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 35 states have call predecessors, (35), 35 states have call successors, (35) [2023-11-19 07:46:34,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 125 transitions. [2023-11-19 07:46:34,315 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 125 transitions. Word has length 211 [2023-11-19 07:46:34,316 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:46:34,316 INFO L495 AbstractCegarLoop]: Abstraction has 81 states and 125 transitions. [2023-11-19 07:46:34,317 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 20.5) internal successors, (41), 2 states have internal predecessors, (41), 2 states have call successors, (35), 2 states have call predecessors, (35), 1 states have return successors, (35), 1 states have call predecessors, (35), 2 states have call successors, (35) [2023-11-19 07:46:34,317 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 125 transitions. [2023-11-19 07:46:34,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2023-11-19 07:46:34,333 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:46:34,334 INFO L195 NwaCegarLoop]: trace histogram [35, 35, 35, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:46:34,366 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c5aaf14-663f-4475-abad-50c031da344f/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-19 07:46:34,559 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c5aaf14-663f-4475-abad-50c031da344f/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-11-19 07:46:34,559 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:46:34,560 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:46:34,561 INFO L85 PathProgramCache]: Analyzing trace with hash 1556694827, now seen corresponding path program 1 times [2023-11-19 07:46:34,561 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:46:34,561 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [723135642] [2023-11-19 07:46:34,562 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:46:34,562 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:46:34,741 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-19 07:46:34,742 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [644636080] [2023-11-19 07:46:34,742 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:46:34,742 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 07:46:34,747 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c5aaf14-663f-4475-abad-50c031da344f/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:46:34,748 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c5aaf14-663f-4475-abad-50c031da344f/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 07:46:34,795 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c5aaf14-663f-4475-abad-50c031da344f/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-19 07:46:35,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:46:35,081 INFO L262 TraceCheckSpWp]: Trace formula consists of 485 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 07:46:35,098 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:46:35,208 INFO L134 CoverageAnalysis]: Checked inductivity of 2380 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2380 trivial. 0 not checked. [2023-11-19 07:46:35,209 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 07:46:35,210 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:46:35,212 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [723135642] [2023-11-19 07:46:35,213 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-19 07:46:35,213 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [644636080] [2023-11-19 07:46:35,213 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [644636080] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:46:35,214 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:46:35,214 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 07:46:35,214 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1788970167] [2023-11-19 07:46:35,215 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:46:35,217 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 07:46:35,217 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:46:35,219 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 07:46:35,219 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 07:46:35,220 INFO L87 Difference]: Start difference. First operand 81 states and 125 transitions. Second operand has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 1 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 1 states have call predecessors, (35), 1 states have call successors, (35) [2023-11-19 07:46:35,311 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:46:35,312 INFO L93 Difference]: Finished difference Result 197 states and 300 transitions. [2023-11-19 07:46:35,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 07:46:35,313 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 1 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 1 states have call predecessors, (35), 1 states have call successors, (35) Word has length 211 [2023-11-19 07:46:35,318 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:46:35,324 INFO L225 Difference]: With dead ends: 197 [2023-11-19 07:46:35,326 INFO L226 Difference]: Without dead ends: 119 [2023-11-19 07:46:35,328 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 210 GetRequests, 209 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 07:46:35,331 INFO L413 NwaCegarLoop]: 123 mSDtfsCounter, 55 mSDsluCounter, 111 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 55 SdHoareTripleChecker+Valid, 234 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-19 07:46:35,332 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [55 Valid, 234 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 07:46:35,336 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119 states. [2023-11-19 07:46:35,382 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119 to 116. [2023-11-19 07:46:35,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 116 states, 64 states have (on average 1.203125) internal successors, (77), 65 states have internal predecessors, (77), 49 states have call successors, (49), 2 states have call predecessors, (49), 2 states have return successors, (49), 48 states have call predecessors, (49), 49 states have call successors, (49) [2023-11-19 07:46:35,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 116 states and 175 transitions. [2023-11-19 07:46:35,388 INFO L78 Accepts]: Start accepts. Automaton has 116 states and 175 transitions. Word has length 211 [2023-11-19 07:46:35,392 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:46:35,392 INFO L495 AbstractCegarLoop]: Abstraction has 116 states and 175 transitions. [2023-11-19 07:46:35,393 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 1 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 1 states have call predecessors, (35), 1 states have call successors, (35) [2023-11-19 07:46:35,393 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 175 transitions. [2023-11-19 07:46:35,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2023-11-19 07:46:35,398 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:46:35,399 INFO L195 NwaCegarLoop]: trace histogram [35, 35, 35, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:46:35,436 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c5aaf14-663f-4475-abad-50c031da344f/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-11-19 07:46:35,616 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c5aaf14-663f-4475-abad-50c031da344f/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 07:46:35,616 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:46:35,617 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:46:35,617 INFO L85 PathProgramCache]: Analyzing trace with hash 2014794173, now seen corresponding path program 1 times [2023-11-19 07:46:35,617 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:46:35,618 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2004552715] [2023-11-19 07:46:35,618 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:46:35,618 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:46:35,721 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-19 07:46:35,722 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1071423] [2023-11-19 07:46:35,722 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:46:35,722 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 07:46:35,733 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c5aaf14-663f-4475-abad-50c031da344f/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:46:35,734 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c5aaf14-663f-4475-abad-50c031da344f/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 07:46:35,743 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c5aaf14-663f-4475-abad-50c031da344f/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-11-19 07:46:35,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:46:35,970 INFO L262 TraceCheckSpWp]: Trace formula consists of 487 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 07:46:35,978 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:46:36,534 INFO L134 CoverageAnalysis]: Checked inductivity of 2380 backedges. 1572 proven. 96 refuted. 0 times theorem prover too weak. 712 trivial. 0 not checked. [2023-11-19 07:46:36,535 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-19 07:46:36,998 INFO L134 CoverageAnalysis]: Checked inductivity of 2380 backedges. 102 proven. 99 refuted. 0 times theorem prover too weak. 2179 trivial. 0 not checked. [2023-11-19 07:46:36,998 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:46:36,999 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2004552715] [2023-11-19 07:46:36,999 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-19 07:46:36,999 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1071423] [2023-11-19 07:46:37,000 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1071423] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-19 07:46:37,000 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-19 07:46:37,000 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 14 [2023-11-19 07:46:37,001 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1446281556] [2023-11-19 07:46:37,001 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-19 07:46:37,002 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2023-11-19 07:46:37,003 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:46:37,004 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2023-11-19 07:46:37,004 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=122, Unknown=0, NotChecked=0, Total=182 [2023-11-19 07:46:37,005 INFO L87 Difference]: Start difference. First operand 116 states and 175 transitions. Second operand has 14 states, 14 states have (on average 5.714285714285714) internal successors, (80), 14 states have internal predecessors, (80), 5 states have call successors, (59), 3 states have call predecessors, (59), 7 states have return successors, (60), 5 states have call predecessors, (60), 5 states have call successors, (60) [2023-11-19 07:46:37,536 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:46:37,536 INFO L93 Difference]: Finished difference Result 251 states and 365 transitions. [2023-11-19 07:46:37,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-11-19 07:46:37,538 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 5.714285714285714) internal successors, (80), 14 states have internal predecessors, (80), 5 states have call successors, (59), 3 states have call predecessors, (59), 7 states have return successors, (60), 5 states have call predecessors, (60), 5 states have call successors, (60) Word has length 212 [2023-11-19 07:46:37,539 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:46:37,543 INFO L225 Difference]: With dead ends: 251 [2023-11-19 07:46:37,543 INFO L226 Difference]: Without dead ends: 138 [2023-11-19 07:46:37,545 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 428 GetRequests, 410 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 61 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=137, Invalid=243, Unknown=0, NotChecked=0, Total=380 [2023-11-19 07:46:37,547 INFO L413 NwaCegarLoop]: 81 mSDtfsCounter, 93 mSDsluCounter, 155 mSDsCounter, 0 mSdLazyCounter, 315 mSolverCounterSat, 69 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 104 SdHoareTripleChecker+Valid, 236 SdHoareTripleChecker+Invalid, 384 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 69 IncrementalHoareTripleChecker+Valid, 315 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-11-19 07:46:37,548 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [104 Valid, 236 Invalid, 384 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [69 Valid, 315 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-11-19 07:46:37,549 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 138 states. [2023-11-19 07:46:37,604 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 138 to 132. [2023-11-19 07:46:37,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 132 states, 76 states have (on average 1.1578947368421053) internal successors, (88), 77 states have internal predecessors, (88), 49 states have call successors, (49), 6 states have call predecessors, (49), 6 states have return successors, (49), 48 states have call predecessors, (49), 49 states have call successors, (49) [2023-11-19 07:46:37,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 132 states and 186 transitions. [2023-11-19 07:46:37,608 INFO L78 Accepts]: Start accepts. Automaton has 132 states and 186 transitions. Word has length 212 [2023-11-19 07:46:37,609 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:46:37,609 INFO L495 AbstractCegarLoop]: Abstraction has 132 states and 186 transitions. [2023-11-19 07:46:37,610 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 5.714285714285714) internal successors, (80), 14 states have internal predecessors, (80), 5 states have call successors, (59), 3 states have call predecessors, (59), 7 states have return successors, (60), 5 states have call predecessors, (60), 5 states have call successors, (60) [2023-11-19 07:46:37,610 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 186 transitions. [2023-11-19 07:46:37,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2023-11-19 07:46:37,614 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:46:37,615 INFO L195 NwaCegarLoop]: trace histogram [35, 35, 35, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:46:37,646 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c5aaf14-663f-4475-abad-50c031da344f/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-11-19 07:46:37,840 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c5aaf14-663f-4475-abad-50c031da344f/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 07:46:37,840 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:46:37,841 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:46:37,841 INFO L85 PathProgramCache]: Analyzing trace with hash -1415576566, now seen corresponding path program 1 times [2023-11-19 07:46:37,841 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:46:37,842 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [759630909] [2023-11-19 07:46:37,842 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:46:37,842 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:46:37,945 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-19 07:46:37,947 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [275601444] [2023-11-19 07:46:37,948 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:46:37,948 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 07:46:37,948 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c5aaf14-663f-4475-abad-50c031da344f/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:46:37,951 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c5aaf14-663f-4475-abad-50c031da344f/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 07:46:37,978 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c5aaf14-663f-4475-abad-50c031da344f/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-11-19 07:46:38,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:46:38,169 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 07:46:38,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:46:38,399 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 07:46:38,399 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-19 07:46:38,400 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-19 07:46:38,434 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c5aaf14-663f-4475-abad-50c031da344f/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-11-19 07:46:38,627 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c5aaf14-663f-4475-abad-50c031da344f/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 07:46:38,630 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2023-11-19 07:46:38,634 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-19 07:46:38,809 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 07:46:38 BoogieIcfgContainer [2023-11-19 07:46:38,809 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-19 07:46:38,810 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 07:46:38,810 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 07:46:38,811 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 07:46:38,811 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:46:32" (3/4) ... [2023-11-19 07:46:38,814 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-19 07:46:38,822 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 07:46:38,823 INFO L158 Benchmark]: Toolchain (without parser) took 7486.93ms. Allocated memory was 146.8MB in the beginning and 176.2MB in the end (delta: 29.4MB). Free memory was 114.6MB in the beginning and 83.9MB in the end (delta: 30.7MB). Peak memory consumption was 60.6MB. Max. memory is 16.1GB. [2023-11-19 07:46:38,824 INFO L158 Benchmark]: CDTParser took 0.43ms. Allocated memory is still 146.8MB. Free memory is still 103.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 07:46:38,824 INFO L158 Benchmark]: CACSL2BoogieTranslator took 505.27ms. Allocated memory is still 146.8MB. Free memory was 114.6MB in the beginning and 100.7MB in the end (delta: 13.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-19 07:46:38,825 INFO L158 Benchmark]: Boogie Procedure Inliner took 65.07ms. Allocated memory is still 146.8MB. Free memory was 100.7MB in the beginning and 97.8MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-19 07:46:38,825 INFO L158 Benchmark]: Boogie Preprocessor took 42.85ms. Allocated memory is still 146.8MB. Free memory was 97.8MB in the beginning and 96.3MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 07:46:38,826 INFO L158 Benchmark]: RCFGBuilder took 844.87ms. Allocated memory is still 146.8MB. Free memory was 96.0MB in the beginning and 75.7MB in the end (delta: 20.2MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-19 07:46:38,827 INFO L158 Benchmark]: TraceAbstraction took 6005.23ms. Allocated memory was 146.8MB in the beginning and 176.2MB in the end (delta: 29.4MB). Free memory was 75.0MB in the beginning and 83.9MB in the end (delta: -8.9MB). Peak memory consumption was 20.7MB. Max. memory is 16.1GB. [2023-11-19 07:46:38,827 INFO L158 Benchmark]: Witness Printer took 12.35ms. Allocated memory is still 176.2MB. Free memory is still 83.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 07:46:38,830 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.43ms. Allocated memory is still 146.8MB. Free memory is still 103.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 505.27ms. Allocated memory is still 146.8MB. Free memory was 114.6MB in the beginning and 100.7MB in the end (delta: 13.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 65.07ms. Allocated memory is still 146.8MB. Free memory was 100.7MB in the beginning and 97.8MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 42.85ms. Allocated memory is still 146.8MB. Free memory was 97.8MB in the beginning and 96.3MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 844.87ms. Allocated memory is still 146.8MB. Free memory was 96.0MB in the beginning and 75.7MB in the end (delta: 20.2MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * TraceAbstraction took 6005.23ms. Allocated memory was 146.8MB in the beginning and 176.2MB in the end (delta: 29.4MB). Free memory was 75.0MB in the beginning and 83.9MB in the end (delta: -8.9MB). Peak memory consumption was 20.7MB. Max. memory is 16.1GB. * Witness Printer took 12.35ms. Allocated memory is still 176.2MB. Free memory is still 83.9MB. 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 someBinaryDOUBLEComparisonOperation at line 152, overapproximation of someBinaryFLOATComparisonOperation at line 152, overapproximation of someBinaryArithmeticFLOAToperation at line 65. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed short int var_1_1 = 64; [L23] unsigned long int var_1_2 = 256; [L24] unsigned long int var_1_3 = 0; [L25] unsigned long int var_1_4 = 8; [L26] signed short int var_1_5 = 50; [L27] double var_1_6 = 31.5; [L28] signed short int var_1_7 = 128; [L29] signed short int var_1_8 = 64; [L30] double var_1_9 = 1000000000.25; [L31] float var_1_10 = 1.1; [L32] float var_1_11 = 8.75; [L33] float var_1_12 = 63.8; [L34] unsigned char var_1_13 = 1; [L35] float var_1_14 = 127.5; [L36] signed char var_1_15 = -2; [L37] signed char var_1_16 = 1; [L38] signed char var_1_17 = 1; [L39] signed char var_1_18 = 1; [L40] signed char var_1_19 = -2; [L41] signed char var_1_20 = 16; [L42] signed char var_1_21 = 2; [L43] signed char var_1_22 = 8; [L44] unsigned char var_1_23 = 0; [L45] unsigned char var_1_24 = 0; [L46] unsigned char var_1_25 = 0; [L47] unsigned char var_1_26 = 0; [L48] unsigned char var_1_27 = 32; VAL [isInitial=0, var_1_10=11/10, var_1_11=35/4, var_1_12=319/5, var_1_13=1, var_1_14=255/2, var_1_15=-2, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=-2, var_1_1=64, var_1_20=16, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_2=256, var_1_3=0, var_1_4=8, var_1_5=50, var_1_6=63/2, var_1_7=128, var_1_8=64, var_1_9=4000000001/4] [L156] isInitial = 1 [L157] FCALL initially() [L158] COND TRUE 1 [L159] FCALL updateLastVariables() [L160] CALL updateVariables() [L94] var_1_2 = __VERIFIER_nondet_ulong() [L95] CALL assume_abort_if_not(var_1_2 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=11/10, var_1_11=35/4, var_1_12=319/5, var_1_13=1, var_1_14=255/2, var_1_15=-2, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=-2, var_1_1=64, var_1_20=16, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_3=0, var_1_4=8, var_1_5=50, var_1_6=63/2, var_1_7=128, var_1_8=64, var_1_9=4000000001/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=11/10, var_1_11=35/4, var_1_12=319/5, var_1_13=1, var_1_14=255/2, var_1_15=-2, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=-2, var_1_1=64, var_1_20=16, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_3=0, var_1_4=8, var_1_5=50, var_1_6=63/2, var_1_7=128, var_1_8=64, var_1_9=4000000001/4] [L95] RET assume_abort_if_not(var_1_2 >= 0) VAL [isInitial=1, var_1_10=11/10, var_1_11=35/4, var_1_12=319/5, var_1_13=1, var_1_14=255/2, var_1_15=-2, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=-2, var_1_1=64, var_1_20=16, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_3=0, var_1_4=8, var_1_5=50, var_1_6=63/2, var_1_7=128, var_1_8=64, var_1_9=4000000001/4] [L96] CALL assume_abort_if_not(var_1_2 <= 4294967295) VAL [\old(cond)=1, isInitial=1, var_1_10=11/10, var_1_11=35/4, var_1_12=319/5, var_1_13=1, var_1_14=255/2, var_1_15=-2, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=-2, var_1_1=64, var_1_20=16, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_3=0, var_1_4=8, var_1_5=50, var_1_6=63/2, var_1_7=128, var_1_8=64, var_1_9=4000000001/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=11/10, var_1_11=35/4, var_1_12=319/5, var_1_13=1, var_1_14=255/2, var_1_15=-2, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=-2, var_1_1=64, var_1_20=16, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_3=0, var_1_4=8, var_1_5=50, var_1_6=63/2, var_1_7=128, var_1_8=64, var_1_9=4000000001/4] [L96] RET assume_abort_if_not(var_1_2 <= 4294967295) VAL [isInitial=1, var_1_10=11/10, var_1_11=35/4, var_1_12=319/5, var_1_13=1, var_1_14=255/2, var_1_15=-2, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=-2, var_1_1=64, var_1_20=16, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_3=0, var_1_4=8, var_1_5=50, var_1_6=63/2, var_1_7=128, var_1_8=64, var_1_9=4000000001/4] [L97] var_1_3 = __VERIFIER_nondet_ulong() [L98] CALL assume_abort_if_not(var_1_3 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=11/10, var_1_11=35/4, var_1_12=319/5, var_1_13=1, var_1_14=255/2, var_1_15=-2, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=-2, var_1_1=64, var_1_20=16, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_3=0, var_1_4=8, var_1_5=50, var_1_6=63/2, var_1_7=128, var_1_8=64, var_1_9=4000000001/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=11/10, var_1_11=35/4, var_1_12=319/5, var_1_13=1, var_1_14=255/2, var_1_15=-2, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=-2, var_1_1=64, var_1_20=16, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_3=0, var_1_4=8, var_1_5=50, var_1_6=63/2, var_1_7=128, var_1_8=64, var_1_9=4000000001/4] [L98] RET assume_abort_if_not(var_1_3 >= 0) VAL [isInitial=1, var_1_10=11/10, var_1_11=35/4, var_1_12=319/5, var_1_13=1, var_1_14=255/2, var_1_15=-2, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=-2, var_1_1=64, var_1_20=16, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_3=0, var_1_4=8, var_1_5=50, var_1_6=63/2, var_1_7=128, var_1_8=64, var_1_9=4000000001/4] [L99] CALL assume_abort_if_not(var_1_3 <= 4294967295) VAL [\old(cond)=1, isInitial=1, var_1_10=11/10, var_1_11=35/4, var_1_12=319/5, var_1_13=1, var_1_14=255/2, var_1_15=-2, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=-2, var_1_1=64, var_1_20=16, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_3=0, var_1_4=8, var_1_5=50, var_1_6=63/2, var_1_7=128, var_1_8=64, var_1_9=4000000001/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=11/10, var_1_11=35/4, var_1_12=319/5, var_1_13=1, var_1_14=255/2, var_1_15=-2, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=-2, var_1_1=64, var_1_20=16, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_3=0, var_1_4=8, var_1_5=50, var_1_6=63/2, var_1_7=128, var_1_8=64, var_1_9=4000000001/4] [L99] RET assume_abort_if_not(var_1_3 <= 4294967295) VAL [isInitial=1, var_1_10=11/10, var_1_11=35/4, var_1_12=319/5, var_1_13=1, var_1_14=255/2, var_1_15=-2, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=-2, var_1_1=64, var_1_20=16, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_3=0, var_1_4=8, var_1_5=50, var_1_6=63/2, var_1_7=128, var_1_8=64, var_1_9=4000000001/4] [L100] var_1_4 = __VERIFIER_nondet_ulong() [L101] CALL assume_abort_if_not(var_1_4 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=11/10, var_1_11=35/4, var_1_12=319/5, var_1_13=1, var_1_14=255/2, var_1_15=-2, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=-2, var_1_1=64, var_1_20=16, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_3=0, var_1_4=1, var_1_5=50, var_1_6=63/2, var_1_7=128, var_1_8=64, var_1_9=4000000001/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=11/10, var_1_11=35/4, var_1_12=319/5, var_1_13=1, var_1_14=255/2, var_1_15=-2, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=-2, var_1_1=64, var_1_20=16, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_3=0, var_1_4=1, var_1_5=50, var_1_6=63/2, var_1_7=128, var_1_8=64, var_1_9=4000000001/4] [L101] RET assume_abort_if_not(var_1_4 >= 0) VAL [isInitial=1, var_1_10=11/10, var_1_11=35/4, var_1_12=319/5, var_1_13=1, var_1_14=255/2, var_1_15=-2, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=-2, var_1_1=64, var_1_20=16, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_3=0, var_1_4=1, var_1_5=50, var_1_6=63/2, var_1_7=128, var_1_8=64, var_1_9=4000000001/4] [L102] CALL assume_abort_if_not(var_1_4 <= 4294967295) VAL [\old(cond)=1, isInitial=1, var_1_10=11/10, var_1_11=35/4, var_1_12=319/5, var_1_13=1, var_1_14=255/2, var_1_15=-2, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=-2, var_1_1=64, var_1_20=16, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_3=0, var_1_4=1, var_1_5=50, var_1_6=63/2, var_1_7=128, var_1_8=64, var_1_9=4000000001/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=11/10, var_1_11=35/4, var_1_12=319/5, var_1_13=1, var_1_14=255/2, var_1_15=-2, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=-2, var_1_1=64, var_1_20=16, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_3=0, var_1_4=1, var_1_5=50, var_1_6=63/2, var_1_7=128, var_1_8=64, var_1_9=4000000001/4] [L102] RET assume_abort_if_not(var_1_4 <= 4294967295) VAL [isInitial=1, var_1_10=11/10, var_1_11=35/4, var_1_12=319/5, var_1_13=1, var_1_14=255/2, var_1_15=-2, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=-2, var_1_1=64, var_1_20=16, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_3=0, var_1_4=1, var_1_5=50, var_1_6=63/2, var_1_7=128, var_1_8=64, var_1_9=4000000001/4] [L103] var_1_5 = __VERIFIER_nondet_short() [L104] CALL assume_abort_if_not(var_1_5 >= -16383) VAL [\old(cond)=1, isInitial=1, var_1_10=11/10, var_1_11=35/4, var_1_12=319/5, var_1_13=1, var_1_14=255/2, var_1_15=-2, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=-2, var_1_1=64, var_1_20=16, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_3=0, var_1_4=1, var_1_5=0, var_1_6=63/2, var_1_7=128, var_1_8=64, var_1_9=4000000001/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=11/10, var_1_11=35/4, var_1_12=319/5, var_1_13=1, var_1_14=255/2, var_1_15=-2, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=-2, var_1_1=64, var_1_20=16, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_3=0, var_1_4=1, var_1_5=0, var_1_6=63/2, var_1_7=128, var_1_8=64, var_1_9=4000000001/4] [L104] RET assume_abort_if_not(var_1_5 >= -16383) VAL [isInitial=1, var_1_10=11/10, var_1_11=35/4, var_1_12=319/5, var_1_13=1, var_1_14=255/2, var_1_15=-2, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=-2, var_1_1=64, var_1_20=16, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_3=0, var_1_4=1, var_1_5=0, var_1_6=63/2, var_1_7=128, var_1_8=64, var_1_9=4000000001/4] [L105] CALL assume_abort_if_not(var_1_5 <= 16383) VAL [\old(cond)=1, isInitial=1, var_1_10=11/10, var_1_11=35/4, var_1_12=319/5, var_1_13=1, var_1_14=255/2, var_1_15=-2, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=-2, var_1_1=64, var_1_20=16, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_3=0, var_1_4=1, var_1_5=0, var_1_6=63/2, var_1_7=128, var_1_8=64, var_1_9=4000000001/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=11/10, var_1_11=35/4, var_1_12=319/5, var_1_13=1, var_1_14=255/2, var_1_15=-2, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=-2, var_1_1=64, var_1_20=16, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_3=0, var_1_4=1, var_1_5=0, var_1_6=63/2, var_1_7=128, var_1_8=64, var_1_9=4000000001/4] [L105] RET assume_abort_if_not(var_1_5 <= 16383) VAL [isInitial=1, var_1_10=11/10, var_1_11=35/4, var_1_12=319/5, var_1_13=1, var_1_14=255/2, var_1_15=-2, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=-2, var_1_1=64, var_1_20=16, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_3=0, var_1_4=1, var_1_5=0, var_1_6=63/2, var_1_7=128, var_1_8=64, var_1_9=4000000001/4] [L106] var_1_7 = __VERIFIER_nondet_short() [L107] CALL assume_abort_if_not(var_1_7 >= -1) VAL [\old(cond)=1, isInitial=1, var_1_10=11/10, var_1_11=35/4, var_1_12=319/5, var_1_13=1, var_1_14=255/2, var_1_15=-2, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=-2, var_1_1=64, var_1_20=16, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_3=0, var_1_4=1, var_1_5=0, var_1_6=63/2, var_1_7=1, var_1_8=64, var_1_9=4000000001/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=11/10, var_1_11=35/4, var_1_12=319/5, var_1_13=1, var_1_14=255/2, var_1_15=-2, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=-2, var_1_1=64, var_1_20=16, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_3=0, var_1_4=1, var_1_5=0, var_1_6=63/2, var_1_7=1, var_1_8=64, var_1_9=4000000001/4] [L107] RET assume_abort_if_not(var_1_7 >= -1) VAL [isInitial=1, var_1_10=11/10, var_1_11=35/4, var_1_12=319/5, var_1_13=1, var_1_14=255/2, var_1_15=-2, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=-2, var_1_1=64, var_1_20=16, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_3=0, var_1_4=1, var_1_5=0, var_1_6=63/2, var_1_7=1, var_1_8=64, var_1_9=4000000001/4] [L108] CALL assume_abort_if_not(var_1_7 <= 32767) VAL [\old(cond)=1, isInitial=1, var_1_10=11/10, var_1_11=35/4, var_1_12=319/5, var_1_13=1, var_1_14=255/2, var_1_15=-2, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=-2, var_1_1=64, var_1_20=16, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_3=0, var_1_4=1, var_1_5=0, var_1_6=63/2, var_1_7=1, var_1_8=64, var_1_9=4000000001/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=11/10, var_1_11=35/4, var_1_12=319/5, var_1_13=1, var_1_14=255/2, var_1_15=-2, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=-2, var_1_1=64, var_1_20=16, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_3=0, var_1_4=1, var_1_5=0, var_1_6=63/2, var_1_7=1, var_1_8=64, var_1_9=4000000001/4] [L108] RET assume_abort_if_not(var_1_7 <= 32767) VAL [isInitial=1, var_1_10=11/10, var_1_11=35/4, var_1_12=319/5, var_1_13=1, var_1_14=255/2, var_1_15=-2, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=-2, var_1_1=64, var_1_20=16, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_3=0, var_1_4=1, var_1_5=0, var_1_6=63/2, var_1_7=1, var_1_8=64, var_1_9=4000000001/4] [L109] var_1_8 = __VERIFIER_nondet_short() [L110] CALL assume_abort_if_not(var_1_8 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=11/10, var_1_11=35/4, var_1_12=319/5, var_1_13=1, var_1_14=255/2, var_1_15=-2, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=-2, var_1_1=64, var_1_20=16, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_3=0, var_1_4=1, var_1_5=0, var_1_6=63/2, var_1_7=1, var_1_8=0, var_1_9=4000000001/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=11/10, var_1_11=35/4, var_1_12=319/5, var_1_13=1, var_1_14=255/2, var_1_15=-2, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=-2, var_1_1=64, var_1_20=16, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_3=0, var_1_4=1, var_1_5=0, var_1_6=63/2, var_1_7=1, var_1_8=0, var_1_9=4000000001/4] [L110] RET assume_abort_if_not(var_1_8 >= 0) VAL [isInitial=1, var_1_10=11/10, var_1_11=35/4, var_1_12=319/5, var_1_13=1, var_1_14=255/2, var_1_15=-2, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=-2, var_1_1=64, var_1_20=16, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_3=0, var_1_4=1, var_1_5=0, var_1_6=63/2, var_1_7=1, var_1_8=0, var_1_9=4000000001/4] [L111] CALL assume_abort_if_not(var_1_8 <= 32767) VAL [\old(cond)=1, isInitial=1, var_1_10=11/10, var_1_11=35/4, var_1_12=319/5, var_1_13=1, var_1_14=255/2, var_1_15=-2, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=-2, var_1_1=64, var_1_20=16, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_3=0, var_1_4=1, var_1_5=0, var_1_6=63/2, var_1_7=1, var_1_8=0, var_1_9=4000000001/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=11/10, var_1_11=35/4, var_1_12=319/5, var_1_13=1, var_1_14=255/2, var_1_15=-2, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=-2, var_1_1=64, var_1_20=16, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_3=0, var_1_4=1, var_1_5=0, var_1_6=63/2, var_1_7=1, var_1_8=0, var_1_9=4000000001/4] [L111] RET assume_abort_if_not(var_1_8 <= 32767) VAL [isInitial=1, var_1_10=11/10, var_1_11=35/4, var_1_12=319/5, var_1_13=1, var_1_14=255/2, var_1_15=-2, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=-2, var_1_1=64, var_1_20=16, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_3=0, var_1_4=1, var_1_5=0, var_1_6=63/2, var_1_7=1, var_1_8=0, var_1_9=4000000001/4] [L112] var_1_9 = __VERIFIER_nondet_double() [L113] CALL assume_abort_if_not((var_1_9 >= -922337.2036854765600e+13F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 9223372.036854765600e+12F && var_1_9 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=11/10, var_1_11=35/4, var_1_12=319/5, var_1_13=1, var_1_14=255/2, var_1_15=-2, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=-2, var_1_1=64, var_1_20=16, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_3=0, var_1_4=1, var_1_5=0, var_1_6=63/2, var_1_7=1, var_1_8=0, var_1_9=2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=11/10, var_1_11=35/4, var_1_12=319/5, var_1_13=1, var_1_14=255/2, var_1_15=-2, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=-2, var_1_1=64, var_1_20=16, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_3=0, var_1_4=1, var_1_5=0, var_1_6=63/2, var_1_7=1, var_1_8=0, var_1_9=2] [L113] RET assume_abort_if_not((var_1_9 >= -922337.2036854765600e+13F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 9223372.036854765600e+12F && var_1_9 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=11/10, var_1_11=35/4, var_1_12=319/5, var_1_13=1, var_1_14=255/2, var_1_15=-2, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=-2, var_1_1=64, var_1_20=16, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_3=0, var_1_4=1, var_1_5=0, var_1_6=63/2, var_1_7=1, var_1_8=0, var_1_9=2] [L114] var_1_11 = __VERIFIER_nondet_float() [L115] CALL assume_abort_if_not((var_1_11 >= 0.0F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 9223372.036854765600e+12F && var_1_11 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=11/10, var_1_11=3, var_1_12=319/5, var_1_13=1, var_1_14=255/2, var_1_15=-2, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=-2, var_1_1=64, var_1_20=16, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_3=0, var_1_4=1, var_1_5=0, var_1_6=63/2, var_1_7=1, var_1_8=0, var_1_9=2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=11/10, var_1_11=3, var_1_12=319/5, var_1_13=1, var_1_14=255/2, var_1_15=-2, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=-2, var_1_1=64, var_1_20=16, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_3=0, var_1_4=1, var_1_5=0, var_1_6=63/2, var_1_7=1, var_1_8=0, var_1_9=2] [L115] RET assume_abort_if_not((var_1_11 >= 0.0F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 9223372.036854765600e+12F && var_1_11 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=11/10, var_1_11=3, var_1_12=319/5, var_1_13=1, var_1_14=255/2, var_1_15=-2, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=-2, var_1_1=64, var_1_20=16, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_3=0, var_1_4=1, var_1_5=0, var_1_6=63/2, var_1_7=1, var_1_8=0, var_1_9=2] [L116] var_1_13 = __VERIFIER_nondet_uchar() [L117] CALL assume_abort_if_not(var_1_13 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=11/10, var_1_11=3, var_1_12=319/5, var_1_13=0, var_1_14=255/2, var_1_15=-2, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=-2, var_1_1=64, var_1_20=16, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_3=0, var_1_4=1, var_1_5=0, var_1_6=63/2, var_1_7=1, var_1_8=0, var_1_9=2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=11/10, var_1_11=3, var_1_12=319/5, var_1_13=0, var_1_14=255/2, var_1_15=-2, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=-2, var_1_1=64, var_1_20=16, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_3=0, var_1_4=1, var_1_5=0, var_1_6=63/2, var_1_7=1, var_1_8=0, var_1_9=2] [L117] RET assume_abort_if_not(var_1_13 >= 0) VAL [isInitial=1, var_1_10=11/10, var_1_11=3, var_1_12=319/5, var_1_13=0, var_1_14=255/2, var_1_15=-2, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=-2, var_1_1=64, var_1_20=16, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_3=0, var_1_4=1, var_1_5=0, var_1_6=63/2, var_1_7=1, var_1_8=0, var_1_9=2] [L118] CALL assume_abort_if_not(var_1_13 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=11/10, var_1_11=3, var_1_12=319/5, var_1_13=0, var_1_14=255/2, var_1_15=-2, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=-2, var_1_1=64, var_1_20=16, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_3=0, var_1_4=1, var_1_5=0, var_1_6=63/2, var_1_7=1, var_1_8=0, var_1_9=2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=11/10, var_1_11=3, var_1_12=319/5, var_1_13=0, var_1_14=255/2, var_1_15=-2, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=-2, var_1_1=64, var_1_20=16, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_3=0, var_1_4=1, var_1_5=0, var_1_6=63/2, var_1_7=1, var_1_8=0, var_1_9=2] [L118] RET assume_abort_if_not(var_1_13 <= 1) VAL [isInitial=1, var_1_10=11/10, var_1_11=3, var_1_12=319/5, var_1_13=0, var_1_14=255/2, var_1_15=-2, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=-2, var_1_1=64, var_1_20=16, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_3=0, var_1_4=1, var_1_5=0, var_1_6=63/2, var_1_7=1, var_1_8=0, var_1_9=2] [L119] var_1_14 = __VERIFIER_nondet_float() [L120] CALL assume_abort_if_not((var_1_14 >= -922337.2036854765600e+13F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 9223372.036854765600e+12F && var_1_14 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=11/10, var_1_11=3, var_1_12=319/5, var_1_13=0, var_1_14=4, var_1_15=-2, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=-2, var_1_1=64, var_1_20=16, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_3=0, var_1_4=1, var_1_5=0, var_1_6=63/2, var_1_7=1, var_1_8=0, var_1_9=2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=11/10, var_1_11=3, var_1_12=319/5, var_1_13=0, var_1_14=4, var_1_15=-2, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=-2, var_1_1=64, var_1_20=16, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_3=0, var_1_4=1, var_1_5=0, var_1_6=63/2, var_1_7=1, var_1_8=0, var_1_9=2] [L120] RET assume_abort_if_not((var_1_14 >= -922337.2036854765600e+13F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 9223372.036854765600e+12F && var_1_14 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=11/10, var_1_11=3, var_1_12=319/5, var_1_13=0, var_1_14=4, var_1_15=-2, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=-2, var_1_1=64, var_1_20=16, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_3=0, var_1_4=1, var_1_5=0, var_1_6=63/2, var_1_7=1, var_1_8=0, var_1_9=2] [L121] var_1_16 = __VERIFIER_nondet_char() [L122] CALL assume_abort_if_not(var_1_16 >= -1) VAL [\old(cond)=1, isInitial=1, var_1_10=11/10, var_1_11=3, var_1_12=319/5, var_1_13=0, var_1_14=4, var_1_15=-2, var_1_16=46, var_1_17=1, var_1_18=1, var_1_19=-2, var_1_1=64, var_1_20=16, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_3=0, var_1_4=1, var_1_5=0, var_1_6=63/2, var_1_7=1, var_1_8=0, var_1_9=2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=11/10, var_1_11=3, var_1_12=319/5, var_1_13=0, var_1_14=4, var_1_15=-2, var_1_16=46, var_1_17=1, var_1_18=1, var_1_19=-2, var_1_1=64, var_1_20=16, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_3=0, var_1_4=1, var_1_5=0, var_1_6=63/2, var_1_7=1, var_1_8=0, var_1_9=2] [L122] RET assume_abort_if_not(var_1_16 >= -1) VAL [isInitial=1, var_1_10=11/10, var_1_11=3, var_1_12=319/5, var_1_13=0, var_1_14=4, var_1_15=-2, var_1_16=46, var_1_17=1, var_1_18=1, var_1_19=-2, var_1_1=64, var_1_20=16, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_3=0, var_1_4=1, var_1_5=0, var_1_6=63/2, var_1_7=1, var_1_8=0, var_1_9=2] [L123] CALL assume_abort_if_not(var_1_16 <= 126) VAL [\old(cond)=1, isInitial=1, var_1_10=11/10, var_1_11=3, var_1_12=319/5, var_1_13=0, var_1_14=4, var_1_15=-2, var_1_16=46, var_1_17=1, var_1_18=1, var_1_19=-2, var_1_1=64, var_1_20=16, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_3=0, var_1_4=1, var_1_5=0, var_1_6=63/2, var_1_7=1, var_1_8=0, var_1_9=2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=11/10, var_1_11=3, var_1_12=319/5, var_1_13=0, var_1_14=4, var_1_15=-2, var_1_16=46, var_1_17=1, var_1_18=1, var_1_19=-2, var_1_1=64, var_1_20=16, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_3=0, var_1_4=1, var_1_5=0, var_1_6=63/2, var_1_7=1, var_1_8=0, var_1_9=2] [L123] RET assume_abort_if_not(var_1_16 <= 126) VAL [isInitial=1, var_1_10=11/10, var_1_11=3, var_1_12=319/5, var_1_13=0, var_1_14=4, var_1_15=-2, var_1_16=46, var_1_17=1, var_1_18=1, var_1_19=-2, var_1_1=64, var_1_20=16, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_3=0, var_1_4=1, var_1_5=0, var_1_6=63/2, var_1_7=1, var_1_8=0, var_1_9=2] [L124] var_1_17 = __VERIFIER_nondet_char() [L125] CALL assume_abort_if_not(var_1_17 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=11/10, var_1_11=3, var_1_12=319/5, var_1_13=0, var_1_14=4, var_1_15=-2, var_1_16=46, var_1_17=0, var_1_18=1, var_1_19=-2, var_1_1=64, var_1_20=16, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_3=0, var_1_4=1, var_1_5=0, var_1_6=63/2, var_1_7=1, var_1_8=0, var_1_9=2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=11/10, var_1_11=3, var_1_12=319/5, var_1_13=0, var_1_14=4, var_1_15=-2, var_1_16=46, var_1_17=0, var_1_18=1, var_1_19=-2, var_1_1=64, var_1_20=16, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_3=0, var_1_4=1, var_1_5=0, var_1_6=63/2, var_1_7=1, var_1_8=0, var_1_9=2] [L125] RET assume_abort_if_not(var_1_17 >= 0) VAL [isInitial=1, var_1_10=11/10, var_1_11=3, var_1_12=319/5, var_1_13=0, var_1_14=4, var_1_15=-2, var_1_16=46, var_1_17=0, var_1_18=1, var_1_19=-2, var_1_1=64, var_1_20=16, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_3=0, var_1_4=1, var_1_5=0, var_1_6=63/2, var_1_7=1, var_1_8=0, var_1_9=2] [L126] CALL assume_abort_if_not(var_1_17 <= 126) VAL [\old(cond)=1, isInitial=1, var_1_10=11/10, var_1_11=3, var_1_12=319/5, var_1_13=0, var_1_14=4, var_1_15=-2, var_1_16=46, var_1_17=0, var_1_18=1, var_1_19=-2, var_1_1=64, var_1_20=16, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_3=0, var_1_4=1, var_1_5=0, var_1_6=63/2, var_1_7=1, var_1_8=0, var_1_9=2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=11/10, var_1_11=3, var_1_12=319/5, var_1_13=0, var_1_14=4, var_1_15=-2, var_1_16=46, var_1_17=0, var_1_18=1, var_1_19=-2, var_1_1=64, var_1_20=16, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_3=0, var_1_4=1, var_1_5=0, var_1_6=63/2, var_1_7=1, var_1_8=0, var_1_9=2] [L126] RET assume_abort_if_not(var_1_17 <= 126) VAL [isInitial=1, var_1_10=11/10, var_1_11=3, var_1_12=319/5, var_1_13=0, var_1_14=4, var_1_15=-2, var_1_16=46, var_1_17=0, var_1_18=1, var_1_19=-2, var_1_1=64, var_1_20=16, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_3=0, var_1_4=1, var_1_5=0, var_1_6=63/2, var_1_7=1, var_1_8=0, var_1_9=2] [L127] var_1_19 = __VERIFIER_nondet_char() [L128] CALL assume_abort_if_not(var_1_19 >= -63) VAL [\old(cond)=1, isInitial=1, var_1_10=11/10, var_1_11=3, var_1_12=319/5, var_1_13=0, var_1_14=4, var_1_15=-2, var_1_16=46, var_1_17=0, var_1_18=1, var_1_19=0, var_1_1=64, var_1_20=16, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_3=0, var_1_4=1, var_1_5=0, var_1_6=63/2, var_1_7=1, var_1_8=0, var_1_9=2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=11/10, var_1_11=3, var_1_12=319/5, var_1_13=0, var_1_14=4, var_1_15=-2, var_1_16=46, var_1_17=0, var_1_18=1, var_1_19=0, var_1_1=64, var_1_20=16, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_3=0, var_1_4=1, var_1_5=0, var_1_6=63/2, var_1_7=1, var_1_8=0, var_1_9=2] [L128] RET assume_abort_if_not(var_1_19 >= -63) VAL [isInitial=1, var_1_10=11/10, var_1_11=3, var_1_12=319/5, var_1_13=0, var_1_14=4, var_1_15=-2, var_1_16=46, var_1_17=0, var_1_18=1, var_1_19=0, var_1_1=64, var_1_20=16, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_3=0, var_1_4=1, var_1_5=0, var_1_6=63/2, var_1_7=1, var_1_8=0, var_1_9=2] [L129] CALL assume_abort_if_not(var_1_19 <= 63) VAL [\old(cond)=1, isInitial=1, var_1_10=11/10, var_1_11=3, var_1_12=319/5, var_1_13=0, var_1_14=4, var_1_15=-2, var_1_16=46, var_1_17=0, var_1_18=1, var_1_19=0, var_1_1=64, var_1_20=16, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_3=0, var_1_4=1, var_1_5=0, var_1_6=63/2, var_1_7=1, var_1_8=0, var_1_9=2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=11/10, var_1_11=3, var_1_12=319/5, var_1_13=0, var_1_14=4, var_1_15=-2, var_1_16=46, var_1_17=0, var_1_18=1, var_1_19=0, var_1_1=64, var_1_20=16, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_3=0, var_1_4=1, var_1_5=0, var_1_6=63/2, var_1_7=1, var_1_8=0, var_1_9=2] [L129] RET assume_abort_if_not(var_1_19 <= 63) VAL [isInitial=1, var_1_10=11/10, var_1_11=3, var_1_12=319/5, var_1_13=0, var_1_14=4, var_1_15=-2, var_1_16=46, var_1_17=0, var_1_18=1, var_1_19=0, var_1_1=64, var_1_20=16, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_3=0, var_1_4=1, var_1_5=0, var_1_6=63/2, var_1_7=1, var_1_8=0, var_1_9=2] [L130] var_1_20 = __VERIFIER_nondet_char() [L131] CALL assume_abort_if_not(var_1_20 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=11/10, var_1_11=3, var_1_12=319/5, var_1_13=0, var_1_14=4, var_1_15=-2, var_1_16=46, var_1_17=0, var_1_18=1, var_1_19=0, var_1_1=64, var_1_20=14, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_3=0, var_1_4=1, var_1_5=0, var_1_6=63/2, var_1_7=1, var_1_8=0, var_1_9=2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=11/10, var_1_11=3, var_1_12=319/5, var_1_13=0, var_1_14=4, var_1_15=-2, var_1_16=46, var_1_17=0, var_1_18=1, var_1_19=0, var_1_1=64, var_1_20=14, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_3=0, var_1_4=1, var_1_5=0, var_1_6=63/2, var_1_7=1, var_1_8=0, var_1_9=2] [L131] RET assume_abort_if_not(var_1_20 >= 0) VAL [isInitial=1, var_1_10=11/10, var_1_11=3, var_1_12=319/5, var_1_13=0, var_1_14=4, var_1_15=-2, var_1_16=46, var_1_17=0, var_1_18=1, var_1_19=0, var_1_1=64, var_1_20=14, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_3=0, var_1_4=1, var_1_5=0, var_1_6=63/2, var_1_7=1, var_1_8=0, var_1_9=2] [L132] CALL assume_abort_if_not(var_1_20 <= 63) VAL [\old(cond)=1, isInitial=1, var_1_10=11/10, var_1_11=3, var_1_12=319/5, var_1_13=0, var_1_14=4, var_1_15=-2, var_1_16=46, var_1_17=0, var_1_18=1, var_1_19=0, var_1_1=64, var_1_20=14, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_3=0, var_1_4=1, var_1_5=0, var_1_6=63/2, var_1_7=1, var_1_8=0, var_1_9=2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=11/10, var_1_11=3, var_1_12=319/5, var_1_13=0, var_1_14=4, var_1_15=-2, var_1_16=46, var_1_17=0, var_1_18=1, var_1_19=0, var_1_1=64, var_1_20=14, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_3=0, var_1_4=1, var_1_5=0, var_1_6=63/2, var_1_7=1, var_1_8=0, var_1_9=2] [L132] RET assume_abort_if_not(var_1_20 <= 63) VAL [isInitial=1, var_1_10=11/10, var_1_11=3, var_1_12=319/5, var_1_13=0, var_1_14=4, var_1_15=-2, var_1_16=46, var_1_17=0, var_1_18=1, var_1_19=0, var_1_1=64, var_1_20=14, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_3=0, var_1_4=1, var_1_5=0, var_1_6=63/2, var_1_7=1, var_1_8=0, var_1_9=2] [L133] var_1_21 = __VERIFIER_nondet_char() [L134] CALL assume_abort_if_not(var_1_21 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=11/10, var_1_11=3, var_1_12=319/5, var_1_13=0, var_1_14=4, var_1_15=-2, var_1_16=46, var_1_17=0, var_1_18=1, var_1_19=0, var_1_1=64, var_1_20=14, var_1_21=0, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_3=0, var_1_4=1, var_1_5=0, var_1_6=63/2, var_1_7=1, var_1_8=0, var_1_9=2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=11/10, var_1_11=3, var_1_12=319/5, var_1_13=0, var_1_14=4, var_1_15=-2, var_1_16=46, var_1_17=0, var_1_18=1, var_1_19=0, var_1_1=64, var_1_20=14, var_1_21=0, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_3=0, var_1_4=1, var_1_5=0, var_1_6=63/2, var_1_7=1, var_1_8=0, var_1_9=2] [L134] RET assume_abort_if_not(var_1_21 >= 0) VAL [isInitial=1, var_1_10=11/10, var_1_11=3, var_1_12=319/5, var_1_13=0, var_1_14=4, var_1_15=-2, var_1_16=46, var_1_17=0, var_1_18=1, var_1_19=0, var_1_1=64, var_1_20=14, var_1_21=0, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_3=0, var_1_4=1, var_1_5=0, var_1_6=63/2, var_1_7=1, var_1_8=0, var_1_9=2] [L135] CALL assume_abort_if_not(var_1_21 <= 63) VAL [\old(cond)=1, isInitial=1, var_1_10=11/10, var_1_11=3, var_1_12=319/5, var_1_13=0, var_1_14=4, var_1_15=-2, var_1_16=46, var_1_17=0, var_1_18=1, var_1_19=0, var_1_1=64, var_1_20=14, var_1_21=0, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_3=0, var_1_4=1, var_1_5=0, var_1_6=63/2, var_1_7=1, var_1_8=0, var_1_9=2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=11/10, var_1_11=3, var_1_12=319/5, var_1_13=0, var_1_14=4, var_1_15=-2, var_1_16=46, var_1_17=0, var_1_18=1, var_1_19=0, var_1_1=64, var_1_20=14, var_1_21=0, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_3=0, var_1_4=1, var_1_5=0, var_1_6=63/2, var_1_7=1, var_1_8=0, var_1_9=2] [L135] RET assume_abort_if_not(var_1_21 <= 63) VAL [isInitial=1, var_1_10=11/10, var_1_11=3, var_1_12=319/5, var_1_13=0, var_1_14=4, var_1_15=-2, var_1_16=46, var_1_17=0, var_1_18=1, var_1_19=0, var_1_1=64, var_1_20=14, var_1_21=0, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_3=0, var_1_4=1, var_1_5=0, var_1_6=63/2, var_1_7=1, var_1_8=0, var_1_9=2] [L136] var_1_22 = __VERIFIER_nondet_char() [L137] CALL assume_abort_if_not(var_1_22 >= -63) VAL [\old(cond)=1, isInitial=1, var_1_10=11/10, var_1_11=3, var_1_12=319/5, var_1_13=0, var_1_14=4, var_1_15=-2, var_1_16=46, var_1_17=0, var_1_18=1, var_1_19=0, var_1_1=64, var_1_20=14, var_1_21=0, var_1_22=29, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_3=0, var_1_4=1, var_1_5=0, var_1_6=63/2, var_1_7=1, var_1_8=0, var_1_9=2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=11/10, var_1_11=3, var_1_12=319/5, var_1_13=0, var_1_14=4, var_1_15=-2, var_1_16=46, var_1_17=0, var_1_18=1, var_1_19=0, var_1_1=64, var_1_20=14, var_1_21=0, var_1_22=29, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_3=0, var_1_4=1, var_1_5=0, var_1_6=63/2, var_1_7=1, var_1_8=0, var_1_9=2] [L137] RET assume_abort_if_not(var_1_22 >= -63) VAL [isInitial=1, var_1_10=11/10, var_1_11=3, var_1_12=319/5, var_1_13=0, var_1_14=4, var_1_15=-2, var_1_16=46, var_1_17=0, var_1_18=1, var_1_19=0, var_1_1=64, var_1_20=14, var_1_21=0, var_1_22=29, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_3=0, var_1_4=1, var_1_5=0, var_1_6=63/2, var_1_7=1, var_1_8=0, var_1_9=2] [L138] CALL assume_abort_if_not(var_1_22 <= 63) VAL [\old(cond)=1, isInitial=1, var_1_10=11/10, var_1_11=3, var_1_12=319/5, var_1_13=0, var_1_14=4, var_1_15=-2, var_1_16=46, var_1_17=0, var_1_18=1, var_1_19=0, var_1_1=64, var_1_20=14, var_1_21=0, var_1_22=29, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_3=0, var_1_4=1, var_1_5=0, var_1_6=63/2, var_1_7=1, var_1_8=0, var_1_9=2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=11/10, var_1_11=3, var_1_12=319/5, var_1_13=0, var_1_14=4, var_1_15=-2, var_1_16=46, var_1_17=0, var_1_18=1, var_1_19=0, var_1_1=64, var_1_20=14, var_1_21=0, var_1_22=29, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_3=0, var_1_4=1, var_1_5=0, var_1_6=63/2, var_1_7=1, var_1_8=0, var_1_9=2] [L138] RET assume_abort_if_not(var_1_22 <= 63) VAL [isInitial=1, var_1_10=11/10, var_1_11=3, var_1_12=319/5, var_1_13=0, var_1_14=4, var_1_15=-2, var_1_16=46, var_1_17=0, var_1_18=1, var_1_19=0, var_1_1=64, var_1_20=14, var_1_21=0, var_1_22=29, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_3=0, var_1_4=1, var_1_5=0, var_1_6=63/2, var_1_7=1, var_1_8=0, var_1_9=2] [L139] var_1_24 = __VERIFIER_nondet_uchar() [L140] CALL assume_abort_if_not(var_1_24 >= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=11/10, var_1_11=3, var_1_12=319/5, var_1_13=0, var_1_14=4, var_1_15=-2, var_1_16=46, var_1_17=0, var_1_18=1, var_1_19=0, var_1_1=64, var_1_20=14, var_1_21=0, var_1_22=29, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=0, var_1_27=32, var_1_3=0, var_1_4=1, var_1_5=0, var_1_6=63/2, var_1_7=1, var_1_8=0, var_1_9=2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=11/10, var_1_11=3, var_1_12=319/5, var_1_13=0, var_1_14=4, var_1_15=-2, var_1_16=46, var_1_17=0, var_1_18=1, var_1_19=0, var_1_1=64, var_1_20=14, var_1_21=0, var_1_22=29, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=0, var_1_27=32, var_1_3=0, var_1_4=1, var_1_5=0, var_1_6=63/2, var_1_7=1, var_1_8=0, var_1_9=2] [L140] RET assume_abort_if_not(var_1_24 >= 1) VAL [isInitial=1, var_1_10=11/10, var_1_11=3, var_1_12=319/5, var_1_13=0, var_1_14=4, var_1_15=-2, var_1_16=46, var_1_17=0, var_1_18=1, var_1_19=0, var_1_1=64, var_1_20=14, var_1_21=0, var_1_22=29, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=0, var_1_27=32, var_1_3=0, var_1_4=1, var_1_5=0, var_1_6=63/2, var_1_7=1, var_1_8=0, var_1_9=2] [L141] CALL assume_abort_if_not(var_1_24 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=11/10, var_1_11=3, var_1_12=319/5, var_1_13=0, var_1_14=4, var_1_15=-2, var_1_16=46, var_1_17=0, var_1_18=1, var_1_19=0, var_1_1=64, var_1_20=14, var_1_21=0, var_1_22=29, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=0, var_1_27=32, var_1_3=0, var_1_4=1, var_1_5=0, var_1_6=63/2, var_1_7=1, var_1_8=0, var_1_9=2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=11/10, var_1_11=3, var_1_12=319/5, var_1_13=0, var_1_14=4, var_1_15=-2, var_1_16=46, var_1_17=0, var_1_18=1, var_1_19=0, var_1_1=64, var_1_20=14, var_1_21=0, var_1_22=29, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=0, var_1_27=32, var_1_3=0, var_1_4=1, var_1_5=0, var_1_6=63/2, var_1_7=1, var_1_8=0, var_1_9=2] [L141] RET assume_abort_if_not(var_1_24 <= 1) VAL [isInitial=1, var_1_10=11/10, var_1_11=3, var_1_12=319/5, var_1_13=0, var_1_14=4, var_1_15=-2, var_1_16=46, var_1_17=0, var_1_18=1, var_1_19=0, var_1_1=64, var_1_20=14, var_1_21=0, var_1_22=29, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=0, var_1_27=32, var_1_3=0, var_1_4=1, var_1_5=0, var_1_6=63/2, var_1_7=1, var_1_8=0, var_1_9=2] [L142] var_1_25 = __VERIFIER_nondet_uchar() [L143] CALL assume_abort_if_not(var_1_25 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=11/10, var_1_11=3, var_1_12=319/5, var_1_13=0, var_1_14=4, var_1_15=-2, var_1_16=46, var_1_17=0, var_1_18=1, var_1_19=0, var_1_1=64, var_1_20=14, var_1_21=0, var_1_22=29, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=0, var_1_27=32, var_1_3=0, var_1_4=1, var_1_5=0, var_1_6=63/2, var_1_7=1, var_1_8=0, var_1_9=2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=11/10, var_1_11=3, var_1_12=319/5, var_1_13=0, var_1_14=4, var_1_15=-2, var_1_16=46, var_1_17=0, var_1_18=1, var_1_19=0, var_1_1=64, var_1_20=14, var_1_21=0, var_1_22=29, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=0, var_1_27=32, var_1_3=0, var_1_4=1, var_1_5=0, var_1_6=63/2, var_1_7=1, var_1_8=0, var_1_9=2] [L143] RET assume_abort_if_not(var_1_25 >= 0) VAL [isInitial=1, var_1_10=11/10, var_1_11=3, var_1_12=319/5, var_1_13=0, var_1_14=4, var_1_15=-2, var_1_16=46, var_1_17=0, var_1_18=1, var_1_19=0, var_1_1=64, var_1_20=14, var_1_21=0, var_1_22=29, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=0, var_1_27=32, var_1_3=0, var_1_4=1, var_1_5=0, var_1_6=63/2, var_1_7=1, var_1_8=0, var_1_9=2] [L144] CALL assume_abort_if_not(var_1_25 <= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=11/10, var_1_11=3, var_1_12=319/5, var_1_13=0, var_1_14=4, var_1_15=-2, var_1_16=46, var_1_17=0, var_1_18=1, var_1_19=0, var_1_1=64, var_1_20=14, var_1_21=0, var_1_22=29, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=0, var_1_27=32, var_1_3=0, var_1_4=1, var_1_5=0, var_1_6=63/2, var_1_7=1, var_1_8=0, var_1_9=2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=11/10, var_1_11=3, var_1_12=319/5, var_1_13=0, var_1_14=4, var_1_15=-2, var_1_16=46, var_1_17=0, var_1_18=1, var_1_19=0, var_1_1=64, var_1_20=14, var_1_21=0, var_1_22=29, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=0, var_1_27=32, var_1_3=0, var_1_4=1, var_1_5=0, var_1_6=63/2, var_1_7=1, var_1_8=0, var_1_9=2] [L144] RET assume_abort_if_not(var_1_25 <= 0) VAL [isInitial=1, var_1_10=11/10, var_1_11=3, var_1_12=319/5, var_1_13=0, var_1_14=4, var_1_15=-2, var_1_16=46, var_1_17=0, var_1_18=1, var_1_19=0, var_1_1=64, var_1_20=14, var_1_21=0, var_1_22=29, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=0, var_1_27=32, var_1_3=0, var_1_4=1, var_1_5=0, var_1_6=63/2, var_1_7=1, var_1_8=0, var_1_9=2] [L145] var_1_26 = __VERIFIER_nondet_uchar() [L146] CALL assume_abort_if_not(var_1_26 >= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=11/10, var_1_11=3, var_1_12=319/5, var_1_13=0, var_1_14=4, var_1_15=-2, var_1_16=46, var_1_17=0, var_1_18=1, var_1_19=0, var_1_1=64, var_1_20=14, var_1_21=0, var_1_22=29, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=1, var_1_27=32, var_1_3=0, var_1_4=1, var_1_5=0, var_1_6=63/2, var_1_7=1, var_1_8=0, var_1_9=2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=11/10, var_1_11=3, var_1_12=319/5, var_1_13=0, var_1_14=4, var_1_15=-2, var_1_16=46, var_1_17=0, var_1_18=1, var_1_19=0, var_1_1=64, var_1_20=14, var_1_21=0, var_1_22=29, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=1, var_1_27=32, var_1_3=0, var_1_4=1, var_1_5=0, var_1_6=63/2, var_1_7=1, var_1_8=0, var_1_9=2] [L146] RET assume_abort_if_not(var_1_26 >= 1) VAL [isInitial=1, var_1_10=11/10, var_1_11=3, var_1_12=319/5, var_1_13=0, var_1_14=4, var_1_15=-2, var_1_16=46, var_1_17=0, var_1_18=1, var_1_19=0, var_1_1=64, var_1_20=14, var_1_21=0, var_1_22=29, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=1, var_1_27=32, var_1_3=0, var_1_4=1, var_1_5=0, var_1_6=63/2, var_1_7=1, var_1_8=0, var_1_9=2] [L147] CALL assume_abort_if_not(var_1_26 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=11/10, var_1_11=3, var_1_12=319/5, var_1_13=0, var_1_14=4, var_1_15=-2, var_1_16=46, var_1_17=0, var_1_18=1, var_1_19=0, var_1_1=64, var_1_20=14, var_1_21=0, var_1_22=29, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=1, var_1_27=32, var_1_3=0, var_1_4=1, var_1_5=0, var_1_6=63/2, var_1_7=1, var_1_8=0, var_1_9=2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=11/10, var_1_11=3, var_1_12=319/5, var_1_13=0, var_1_14=4, var_1_15=-2, var_1_16=46, var_1_17=0, var_1_18=1, var_1_19=0, var_1_1=64, var_1_20=14, var_1_21=0, var_1_22=29, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=1, var_1_27=32, var_1_3=0, var_1_4=1, var_1_5=0, var_1_6=63/2, var_1_7=1, var_1_8=0, var_1_9=2] [L147] RET assume_abort_if_not(var_1_26 <= 1) VAL [isInitial=1, var_1_10=11/10, var_1_11=3, var_1_12=319/5, var_1_13=0, var_1_14=4, var_1_15=-2, var_1_16=46, var_1_17=0, var_1_18=1, var_1_19=0, var_1_1=64, var_1_20=14, var_1_21=0, var_1_22=29, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=1, var_1_27=32, var_1_3=0, var_1_4=1, var_1_5=0, var_1_6=63/2, var_1_7=1, var_1_8=0, var_1_9=2] [L160] RET updateVariables() [L161] CALL step() [L52] COND TRUE (var_1_2 + var_1_3) <= var_1_4 [L53] var_1_1 = (128 + var_1_5) VAL [isInitial=1, var_1_10=11/10, var_1_11=3, var_1_12=319/5, var_1_13=0, var_1_14=4, var_1_15=-2, var_1_16=46, var_1_17=0, var_1_18=1, var_1_19=0, var_1_1=128, var_1_20=14, var_1_21=0, var_1_22=29, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=1, var_1_27=32, var_1_2=0, var_1_3=0, var_1_4=1, var_1_5=0, var_1_6=63/2, var_1_7=1, var_1_8=0, var_1_9=2] [L61] COND TRUE var_1_5 < (var_1_7 - var_1_8) [L62] var_1_6 = var_1_9 VAL [isInitial=1, var_1_10=11/10, var_1_11=3, var_1_12=319/5, var_1_13=0, var_1_14=4, var_1_15=-2, var_1_16=46, var_1_17=0, var_1_18=1, var_1_19=0, var_1_1=128, var_1_20=14, var_1_21=0, var_1_22=29, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=1, var_1_27=32, var_1_2=0, var_1_3=0, var_1_4=1, var_1_5=0, var_1_6=2, var_1_7=1, var_1_8=0, var_1_9=2] [L64] COND TRUE var_1_4 > var_1_3 [L65] var_1_10 = (1.00000000000009E13f - var_1_11) VAL [isInitial=1, var_1_11=3, var_1_12=319/5, var_1_13=0, var_1_14=4, var_1_15=-2, var_1_16=46, var_1_17=0, var_1_18=1, var_1_19=0, var_1_1=128, var_1_20=14, var_1_21=0, var_1_22=29, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=1, var_1_27=32, var_1_2=0, var_1_3=0, var_1_4=1, var_1_5=0, var_1_6=2, var_1_7=1, var_1_8=0, var_1_9=2] [L69] COND FALSE !(var_1_13 && (var_1_5 >= var_1_2)) VAL [isInitial=1, var_1_11=3, var_1_12=319/5, var_1_13=0, var_1_14=4, var_1_15=-2, var_1_16=46, var_1_17=0, var_1_18=1, var_1_19=0, var_1_1=128, var_1_20=14, var_1_21=0, var_1_22=29, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=1, var_1_27=32, var_1_2=0, var_1_3=0, var_1_4=1, var_1_5=0, var_1_6=2, var_1_7=1, var_1_8=0, var_1_9=2] [L72] COND TRUE 1 >= var_1_2 [L73] var_1_12 = var_1_11 VAL [isInitial=1, var_1_11=3, var_1_12=3, var_1_13=0, var_1_14=4, var_1_15=-2, var_1_16=46, var_1_17=0, var_1_18=1, var_1_19=0, var_1_1=128, var_1_20=14, var_1_21=0, var_1_22=29, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=1, var_1_27=32, var_1_2=0, var_1_3=0, var_1_4=1, var_1_5=0, var_1_6=2, var_1_7=1, var_1_8=0, var_1_9=2] [L78] var_1_15 = (var_1_16 - var_1_17) VAL [isInitial=1, var_1_11=3, var_1_12=3, var_1_13=0, var_1_14=4, var_1_15=46, var_1_16=46, var_1_17=0, var_1_18=1, var_1_19=0, var_1_1=128, var_1_20=14, var_1_21=0, var_1_22=29, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=1, var_1_27=32, var_1_2=0, var_1_3=0, var_1_4=1, var_1_5=0, var_1_6=2, var_1_7=1, var_1_8=0, var_1_9=2] [L79] COND TRUE ((((var_1_3) < (var_1_2)) ? (var_1_3) : (var_1_2))) < 25u [L80] var_1_18 = (((((var_1_19) > ((var_1_20 - var_1_21))) ? (var_1_19) : ((var_1_20 - var_1_21)))) + (((((((var_1_22) < 0 ) ? -(var_1_22) : (var_1_22))) < 0 ) ? -((((var_1_22) < 0 ) ? -(var_1_22) : (var_1_22))) : ((((var_1_22) < 0 ) ? -(var_1_22) : (var_1_22)))))) VAL [isInitial=1, var_1_11=3, var_1_12=3, var_1_13=0, var_1_14=4, var_1_15=46, var_1_16=46, var_1_17=0, var_1_18=43, var_1_19=0, var_1_1=128, var_1_20=14, var_1_21=0, var_1_22=29, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=1, var_1_27=32, var_1_2=0, var_1_3=0, var_1_4=1, var_1_5=0, var_1_6=2, var_1_7=1, var_1_8=0, var_1_9=2] [L82] COND FALSE !(\read(var_1_13)) VAL [isInitial=1, var_1_11=3, var_1_12=3, var_1_13=0, var_1_14=4, var_1_15=46, var_1_16=46, var_1_17=0, var_1_18=43, var_1_19=0, var_1_1=128, var_1_20=14, var_1_21=0, var_1_22=29, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=1, var_1_27=32, var_1_2=0, var_1_3=0, var_1_4=1, var_1_5=0, var_1_6=2, var_1_7=1, var_1_8=0, var_1_9=2] [L91] var_1_27 = var_1_21 VAL [isInitial=1, var_1_11=3, var_1_12=3, var_1_13=0, var_1_14=4, var_1_15=46, var_1_16=46, var_1_17=0, var_1_18=43, var_1_19=0, var_1_1=128, var_1_20=14, var_1_21=0, var_1_22=29, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=1, var_1_27=0, var_1_2=0, var_1_3=0, var_1_4=1, var_1_5=0, var_1_6=2, var_1_7=1, var_1_8=0, var_1_9=2] [L161] RET step() [L162] CALL, EXPR property() [L152-L153] return (((((((((var_1_2 + var_1_3) <= var_1_4) ? (var_1_1 == ((signed short int) (128 + var_1_5))) : ((var_1_5 >= (var_1_4 * var_1_3)) ? (var_1_1 == ((signed short int) var_1_5)) : (var_1_1 == ((signed short int) 1)))) && ((var_1_5 < (var_1_7 - var_1_8)) ? (var_1_6 == ((double) var_1_9)) : 1)) && ((var_1_4 > var_1_3) ? (var_1_10 == ((float) (1.00000000000009E13f - var_1_11))) : (var_1_10 == ((float) 9.75f)))) && ((var_1_13 && (var_1_5 >= var_1_2)) ? (var_1_12 == ((float) var_1_11)) : ((1 >= var_1_2) ? (var_1_12 == ((float) var_1_11)) : (var_1_12 == ((float) var_1_14))))) && (var_1_15 == ((signed char) (var_1_16 - var_1_17)))) && ((((((var_1_3) < (var_1_2)) ? (var_1_3) : (var_1_2))) < 25u) ? (var_1_18 == ((signed char) (((((var_1_19) > ((var_1_20 - var_1_21))) ? (var_1_19) : ((var_1_20 - var_1_21)))) + (((((((var_1_22) < 0 ) ? -(var_1_22) : (var_1_22))) < 0 ) ? -((((var_1_22) < 0 ) ? -(var_1_22) : (var_1_22))) : ((((var_1_22) < 0 ) ? -(var_1_22) : (var_1_22)))))))) : 1)) && (var_1_13 ? (((~ var_1_21) > var_1_8) ? (var_1_23 == ((unsigned char) (var_1_24 && (! var_1_25)))) : (var_1_24 ? (var_1_23 == ((unsigned char) ((! var_1_25) || var_1_26))) : 1)) : 1)) && (var_1_27 == ((unsigned char) var_1_21)) ; VAL [\result=0, isInitial=1, var_1_11=3, var_1_12=3, var_1_13=0, var_1_14=4, var_1_15=46, var_1_16=46, var_1_17=0, var_1_18=43, var_1_19=0, var_1_1=128, var_1_20=14, var_1_21=0, var_1_22=29, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=1, var_1_27=0, var_1_2=0, var_1_3=0, var_1_4=1, var_1_5=0, var_1_6=2, var_1_7=1, var_1_8=0, var_1_9=2] [L162] RET, EXPR property() [L162] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, var_1_11=3, var_1_12=3, var_1_13=0, var_1_14=4, var_1_15=46, var_1_16=46, var_1_17=0, var_1_18=43, var_1_19=0, var_1_1=128, var_1_20=14, var_1_21=0, var_1_22=29, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=1, var_1_27=0, var_1_2=0, var_1_3=0, var_1_4=1, var_1_5=0, var_1_6=2, var_1_7=1, var_1_8=0, var_1_9=2] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, var_1_11=3, var_1_12=3, var_1_13=0, var_1_14=4, var_1_15=46, var_1_16=46, var_1_17=0, var_1_18=43, var_1_19=0, var_1_1=128, var_1_20=14, var_1_21=0, var_1_22=29, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=1, var_1_27=0, var_1_2=0, var_1_3=0, var_1_4=1, var_1_5=0, var_1_6=2, var_1_7=1, var_1_8=0, var_1_9=2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 85 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 5.7s, OverallIterations: 4, TraceHistogramMax: 35, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 0.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 159 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 148 mSDsluCounter, 595 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 266 mSDsCounter, 71 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 322 IncrementalHoareTripleChecker+Invalid, 393 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 71 mSolverCounterUnsat, 329 mSDtfsCounter, 322 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 848 GetRequests, 829 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 61 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=132occurred in iteration=3, InterpolantAutomatonStates: 19, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 3 MinimizatonAttempts, 9 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 1.5s InterpolantComputationTime, 1057 NumberOfCodeBlocks, 1057 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 842 ConstructedInterpolants, 0 QuantifiedInterpolants, 1679 SizeOfPredicates, 6 NumberOfNonLiveVariables, 1457 ConjunctsInSsa, 14 ConjunctsInUnsatCore, 4 InterpolantComputations, 2 PerfectInterpolantSequences, 9325/9520 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 [2023-11-19 07:46:38,876 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c5aaf14-663f-4475-abad-50c031da344f/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c5aaf14-663f-4475-abad-50c031da344f/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c5aaf14-663f-4475-abad-50c031da344f/bin/uautomizer-verify-uCwYo4JHxu/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c5aaf14-663f-4475-abad-50c031da344f/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c5aaf14-663f-4475-abad-50c031da344f/bin/uautomizer-verify-uCwYo4JHxu/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c5aaf14-663f-4475-abad-50c031da344f/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c5aaf14-663f-4475-abad-50c031da344f/bin/uautomizer-verify-uCwYo4JHxu --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 50a57c27f965a2fe08061b76de57c2a45f21c49e0d373f19e2475a7595ce7210 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 07:46:42,031 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 07:46:42,196 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c5aaf14-663f-4475-abad-50c031da344f/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-11-19 07:46:42,207 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 07:46:42,208 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 07:46:42,256 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 07:46:42,257 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 07:46:42,258 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 07:46:42,259 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 07:46:42,265 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 07:46:42,266 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 07:46:42,267 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 07:46:42,268 INFO L153 SettingsManager]: * Use SBE=true [2023-11-19 07:46:42,270 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 07:46:42,271 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 07:46:42,272 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 07:46:42,272 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 07:46:42,273 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 07:46:42,273 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 07:46:42,274 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 07:46:42,274 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 07:46:42,275 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 07:46:42,276 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 07:46:42,276 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 07:46:42,277 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 07:46:42,277 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 07:46:42,278 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 07:46:42,279 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 07:46:42,279 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 07:46:42,280 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 07:46:42,281 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 07:46:42,282 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 07:46:42,282 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 07:46:42,283 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 07:46:42,283 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-19 07:46:42,284 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 07:46:42,284 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-19 07:46:42,285 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 07:46:42,285 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-19 07:46:42,286 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 07:46:42,287 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-19 07:46:42,287 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-19 07:46:42,288 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_1c5aaf14-663f-4475-abad-50c031da344f/bin/uautomizer-verify-uCwYo4JHxu/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c5aaf14-663f-4475-abad-50c031da344f/bin/uautomizer-verify-uCwYo4JHxu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 50a57c27f965a2fe08061b76de57c2a45f21c49e0d373f19e2475a7595ce7210 [2023-11-19 07:46:42,869 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 07:46:42,907 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 07:46:42,910 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 07:46:42,912 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 07:46:42,912 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 07:46:42,914 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c5aaf14-663f-4475-abad-50c031da344f/bin/uautomizer-verify-uCwYo4JHxu/../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-1.i [2023-11-19 07:46:46,563 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 07:46:46,960 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 07:46:46,961 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c5aaf14-663f-4475-abad-50c031da344f/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-1.i [2023-11-19 07:46:46,974 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c5aaf14-663f-4475-abad-50c031da344f/bin/uautomizer-verify-uCwYo4JHxu/data/86e61b0fd/447989eb3fe9404db4e3bfa75f5f3fef/FLAG57767ddfe [2023-11-19 07:46:46,997 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c5aaf14-663f-4475-abad-50c031da344f/bin/uautomizer-verify-uCwYo4JHxu/data/86e61b0fd/447989eb3fe9404db4e3bfa75f5f3fef [2023-11-19 07:46:47,004 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 07:46:47,008 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 07:46:47,013 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 07:46:47,013 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 07:46:47,022 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 07:46:47,023 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:46:46" (1/1) ... [2023-11-19 07:46:47,024 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@324cfc71 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:46:47, skipping insertion in model container [2023-11-19 07:46:47,024 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:46:46" (1/1) ... [2023-11-19 07:46:47,069 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 07:46:47,300 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_1c5aaf14-663f-4475-abad-50c031da344f/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-1.i[912,925] [2023-11-19 07:46:47,428 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:46:47,460 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 07:46:47,476 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_1c5aaf14-663f-4475-abad-50c031da344f/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-1.i[912,925] [2023-11-19 07:46:47,527 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:46:47,564 INFO L206 MainTranslator]: Completed translation [2023-11-19 07:46:47,565 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:46:47 WrapperNode [2023-11-19 07:46:47,565 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 07:46:47,567 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 07:46:47,568 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 07:46:47,568 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 07:46:47,577 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:46:47" (1/1) ... [2023-11-19 07:46:47,613 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:46:47" (1/1) ... [2023-11-19 07:46:47,673 INFO L138 Inliner]: procedures = 27, calls = 48, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 177 [2023-11-19 07:46:47,673 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 07:46:47,674 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 07:46:47,674 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 07:46:47,675 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 07:46:47,688 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:46:47" (1/1) ... [2023-11-19 07:46:47,689 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:46:47" (1/1) ... [2023-11-19 07:46:47,705 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:46:47" (1/1) ... [2023-11-19 07:46:47,706 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:46:47" (1/1) ... [2023-11-19 07:46:47,735 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:46:47" (1/1) ... [2023-11-19 07:46:47,753 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:46:47" (1/1) ... [2023-11-19 07:46:47,757 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:46:47" (1/1) ... [2023-11-19 07:46:47,760 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:46:47" (1/1) ... [2023-11-19 07:46:47,765 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 07:46:47,767 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 07:46:47,768 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 07:46:47,769 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 07:46:47,770 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:46:47" (1/1) ... [2023-11-19 07:46:47,799 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 07:46:47,822 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c5aaf14-663f-4475-abad-50c031da344f/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:46:47,848 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c5aaf14-663f-4475-abad-50c031da344f/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 07:46:47,917 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c5aaf14-663f-4475-abad-50c031da344f/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 07:46:47,952 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 07:46:47,953 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 07:46:47,953 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 07:46:47,953 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 07:46:47,954 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 07:46:47,954 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 07:46:48,106 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 07:46:48,111 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 07:46:48,849 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 07:46:48,860 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 07:46:48,867 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 07:46:48,873 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:46:48 BoogieIcfgContainer [2023-11-19 07:46:48,873 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 07:46:48,876 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 07:46:48,876 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 07:46:48,880 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 07:46:48,881 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 07:46:46" (1/3) ... [2023-11-19 07:46:48,882 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@43757ed6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:46:48, skipping insertion in model container [2023-11-19 07:46:48,882 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:46:47" (2/3) ... [2023-11-19 07:46:48,882 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@43757ed6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:46:48, skipping insertion in model container [2023-11-19 07:46:48,883 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:46:48" (3/3) ... [2023-11-19 07:46:48,884 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_codestructure_normal_file-1.i [2023-11-19 07:46:48,910 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 07:46:48,910 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-19 07:46:48,987 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 07:46:48,997 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=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@76b202ce, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-19 07:46:48,998 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-19 07:46:49,008 INFO L276 IsEmpty]: Start isEmpty. Operand has 85 states, 47 states have (on average 1.3191489361702127) internal successors, (62), 48 states have internal predecessors, (62), 35 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 35 states have call predecessors, (35), 35 states have call successors, (35) [2023-11-19 07:46:49,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2023-11-19 07:46:49,062 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:46:49,064 INFO L195 NwaCegarLoop]: trace histogram [35, 35, 35, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:46:49,065 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:46:49,071 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:46:49,072 INFO L85 PathProgramCache]: Analyzing trace with hash -852377427, now seen corresponding path program 1 times [2023-11-19 07:46:49,087 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-19 07:46:49,088 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [144166067] [2023-11-19 07:46:49,088 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:46:49,089 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 [2023-11-19 07:46:49,089 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c5aaf14-663f-4475-abad-50c031da344f/bin/uautomizer-verify-uCwYo4JHxu/mathsat [2023-11-19 07:46:49,090 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c5aaf14-663f-4475-abad-50c031da344f/bin/uautomizer-verify-uCwYo4JHxu/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) [2023-11-19 07:46:49,131 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c5aaf14-663f-4475-abad-50c031da344f/bin/uautomizer-verify-uCwYo4JHxu/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 [2023-11-19 07:46:49,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:46:49,609 INFO L262 TraceCheckSpWp]: Trace formula consists of 329 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 07:46:49,634 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:46:49,725 INFO L134 CoverageAnalysis]: Checked inductivity of 2380 backedges. 824 proven. 0 refuted. 0 times theorem prover too weak. 1556 trivial. 0 not checked. [2023-11-19 07:46:49,726 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 07:46:49,727 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-19 07:46:49,727 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [144166067] [2023-11-19 07:46:49,728 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [144166067] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:46:49,729 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:46:49,729 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 07:46:49,731 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2076082890] [2023-11-19 07:46:49,733 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:46:49,739 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-19 07:46:49,740 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-19 07:46:49,778 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-19 07:46:49,779 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-19 07:46:49,782 INFO L87 Difference]: Start difference. First operand has 85 states, 47 states have (on average 1.3191489361702127) internal successors, (62), 48 states have internal predecessors, (62), 35 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 35 states have call predecessors, (35), 35 states have call successors, (35) Second operand has 2 states, 2 states have (on average 21.5) internal successors, (43), 2 states have internal predecessors, (43), 2 states have call successors, (35), 2 states have call predecessors, (35), 2 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) [2023-11-19 07:46:49,833 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:46:49,833 INFO L93 Difference]: Finished difference Result 163 states and 293 transitions. [2023-11-19 07:46:49,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-19 07:46:49,841 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 21.5) internal successors, (43), 2 states have internal predecessors, (43), 2 states have call successors, (35), 2 states have call predecessors, (35), 2 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) Word has length 211 [2023-11-19 07:46:49,842 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:46:49,853 INFO L225 Difference]: With dead ends: 163 [2023-11-19 07:46:49,854 INFO L226 Difference]: Without dead ends: 81 [2023-11-19 07:46:49,860 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 210 GetRequests, 210 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-19 07:46:49,865 INFO L413 NwaCegarLoop]: 125 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, 125 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 [2023-11-19 07:46:49,866 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 125 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 07:46:49,889 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81 states. [2023-11-19 07:46:49,952 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81 to 81. [2023-11-19 07:46:49,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 81 states, 44 states have (on average 1.25) internal successors, (55), 44 states have internal predecessors, (55), 35 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 35 states have call predecessors, (35), 35 states have call successors, (35) [2023-11-19 07:46:49,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 125 transitions. [2023-11-19 07:46:49,974 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 125 transitions. Word has length 211 [2023-11-19 07:46:49,975 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:46:49,975 INFO L495 AbstractCegarLoop]: Abstraction has 81 states and 125 transitions. [2023-11-19 07:46:49,976 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 21.5) internal successors, (43), 2 states have internal predecessors, (43), 2 states have call successors, (35), 2 states have call predecessors, (35), 2 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) [2023-11-19 07:46:49,977 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 125 transitions. [2023-11-19 07:46:49,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2023-11-19 07:46:49,987 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:46:49,988 INFO L195 NwaCegarLoop]: trace histogram [35, 35, 35, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:46:50,003 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c5aaf14-663f-4475-abad-50c031da344f/bin/uautomizer-verify-uCwYo4JHxu/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 [2023-11-19 07:46:50,198 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c5aaf14-663f-4475-abad-50c031da344f/bin/uautomizer-verify-uCwYo4JHxu/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 [2023-11-19 07:46:50,198 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:46:50,199 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:46:50,199 INFO L85 PathProgramCache]: Analyzing trace with hash 1556694827, now seen corresponding path program 1 times [2023-11-19 07:46:50,201 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-19 07:46:50,201 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1594925810] [2023-11-19 07:46:50,201 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:46:50,202 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 [2023-11-19 07:46:50,202 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c5aaf14-663f-4475-abad-50c031da344f/bin/uautomizer-verify-uCwYo4JHxu/mathsat [2023-11-19 07:46:50,204 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c5aaf14-663f-4475-abad-50c031da344f/bin/uautomizer-verify-uCwYo4JHxu/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) [2023-11-19 07:46:50,214 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c5aaf14-663f-4475-abad-50c031da344f/bin/uautomizer-verify-uCwYo4JHxu/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 [2023-11-19 07:46:50,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:46:50,597 INFO L262 TraceCheckSpWp]: Trace formula consists of 329 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 07:46:50,610 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:46:50,681 INFO L134 CoverageAnalysis]: Checked inductivity of 2380 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2380 trivial. 0 not checked. [2023-11-19 07:46:50,682 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 07:46:50,682 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-19 07:46:50,682 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1594925810] [2023-11-19 07:46:50,683 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1594925810] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:46:50,689 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:46:50,690 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 07:46:50,690 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1672595313] [2023-11-19 07:46:50,690 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:46:50,692 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 07:46:50,693 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-19 07:46:50,694 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 07:46:50,694 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 07:46:50,695 INFO L87 Difference]: Start difference. First operand 81 states and 125 transitions. Second operand has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 1 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 1 states have call predecessors, (35), 1 states have call successors, (35) [2023-11-19 07:46:50,879 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:46:50,883 INFO L93 Difference]: Finished difference Result 197 states and 300 transitions. [2023-11-19 07:46:50,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 07:46:50,890 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 1 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 1 states have call predecessors, (35), 1 states have call successors, (35) Word has length 211 [2023-11-19 07:46:50,892 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:46:50,895 INFO L225 Difference]: With dead ends: 197 [2023-11-19 07:46:50,896 INFO L226 Difference]: Without dead ends: 119 [2023-11-19 07:46:50,898 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 210 GetRequests, 209 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 07:46:50,900 INFO L413 NwaCegarLoop]: 123 mSDtfsCounter, 55 mSDsluCounter, 110 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 55 SdHoareTripleChecker+Valid, 233 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-19 07:46:50,901 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [55 Valid, 233 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-19 07:46:50,902 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119 states. [2023-11-19 07:46:50,933 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119 to 116. [2023-11-19 07:46:50,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 116 states, 64 states have (on average 1.203125) internal successors, (77), 65 states have internal predecessors, (77), 49 states have call successors, (49), 2 states have call predecessors, (49), 2 states have return successors, (49), 48 states have call predecessors, (49), 49 states have call successors, (49) [2023-11-19 07:46:50,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 116 states and 175 transitions. [2023-11-19 07:46:50,938 INFO L78 Accepts]: Start accepts. Automaton has 116 states and 175 transitions. Word has length 211 [2023-11-19 07:46:50,940 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:46:50,940 INFO L495 AbstractCegarLoop]: Abstraction has 116 states and 175 transitions. [2023-11-19 07:46:50,940 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 1 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 1 states have call predecessors, (35), 1 states have call successors, (35) [2023-11-19 07:46:50,941 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 175 transitions. [2023-11-19 07:46:50,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2023-11-19 07:46:50,946 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:46:50,947 INFO L195 NwaCegarLoop]: trace histogram [35, 35, 35, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:46:50,968 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c5aaf14-663f-4475-abad-50c031da344f/bin/uautomizer-verify-uCwYo4JHxu/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 [2023-11-19 07:46:51,155 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c5aaf14-663f-4475-abad-50c031da344f/bin/uautomizer-verify-uCwYo4JHxu/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 [2023-11-19 07:46:51,156 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:46:51,157 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:46:51,157 INFO L85 PathProgramCache]: Analyzing trace with hash 2014794173, now seen corresponding path program 1 times [2023-11-19 07:46:51,158 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-19 07:46:51,159 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [550148152] [2023-11-19 07:46:51,159 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:46:51,159 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 [2023-11-19 07:46:51,159 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c5aaf14-663f-4475-abad-50c031da344f/bin/uautomizer-verify-uCwYo4JHxu/mathsat [2023-11-19 07:46:51,162 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c5aaf14-663f-4475-abad-50c031da344f/bin/uautomizer-verify-uCwYo4JHxu/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) [2023-11-19 07:46:51,164 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c5aaf14-663f-4475-abad-50c031da344f/bin/uautomizer-verify-uCwYo4JHxu/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 [2023-11-19 07:46:51,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:46:51,623 INFO L262 TraceCheckSpWp]: Trace formula consists of 331 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 07:46:51,634 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:46:52,526 INFO L134 CoverageAnalysis]: Checked inductivity of 2380 backedges. 1572 proven. 96 refuted. 0 times theorem prover too weak. 712 trivial. 0 not checked. [2023-11-19 07:46:52,526 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-19 07:46:52,829 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-19 07:46:52,830 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [550148152] [2023-11-19 07:46:52,838 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [550148152] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-19 07:46:52,839 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [950528956] [2023-11-19 07:46:52,840 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:46:52,840 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-19 07:46:52,841 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c5aaf14-663f-4475-abad-50c031da344f/bin/uautomizer-verify-uCwYo4JHxu/cvc4 [2023-11-19 07:46:52,847 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c5aaf14-663f-4475-abad-50c031da344f/bin/uautomizer-verify-uCwYo4JHxu/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-19 07:46:52,888 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c5aaf14-663f-4475-abad-50c031da344f/bin/uautomizer-verify-uCwYo4JHxu/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2023-11-19 07:46:53,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:46:53,977 INFO L262 TraceCheckSpWp]: Trace formula consists of 331 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-19 07:46:53,987 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:46:54,725 INFO L134 CoverageAnalysis]: Checked inductivity of 2380 backedges. 1572 proven. 96 refuted. 0 times theorem prover too weak. 712 trivial. 0 not checked. [2023-11-19 07:46:54,725 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-19 07:46:54,921 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [950528956] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-19 07:46:54,921 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-19 07:46:54,921 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 8 [2023-11-19 07:46:54,922 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [199418430] [2023-11-19 07:46:54,922 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-19 07:46:54,923 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-19 07:46:54,924 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-19 07:46:54,925 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-19 07:46:54,925 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2023-11-19 07:46:54,926 INFO L87 Difference]: Start difference. First operand 116 states and 175 transitions. Second operand has 8 states, 8 states have (on average 6.5) internal successors, (52), 8 states have internal predecessors, (52), 3 states have call successors, (35), 3 states have call predecessors, (35), 5 states have return successors, (35), 3 states have call predecessors, (35), 3 states have call successors, (35) [2023-11-19 07:46:56,076 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:46:56,077 INFO L93 Difference]: Finished difference Result 253 states and 367 transitions. [2023-11-19 07:46:56,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-11-19 07:46:56,084 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 6.5) internal successors, (52), 8 states have internal predecessors, (52), 3 states have call successors, (35), 3 states have call predecessors, (35), 5 states have return successors, (35), 3 states have call predecessors, (35), 3 states have call successors, (35) Word has length 212 [2023-11-19 07:46:56,086 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:46:56,089 INFO L225 Difference]: With dead ends: 253 [2023-11-19 07:46:56,090 INFO L226 Difference]: Without dead ends: 140 [2023-11-19 07:46:56,092 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 556 GetRequests, 543 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=70, Invalid=140, Unknown=0, NotChecked=0, Total=210 [2023-11-19 07:46:56,094 INFO L413 NwaCegarLoop]: 81 mSDtfsCounter, 78 mSDsluCounter, 144 mSDsCounter, 0 mSdLazyCounter, 298 mSolverCounterSat, 42 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 88 SdHoareTripleChecker+Valid, 225 SdHoareTripleChecker+Invalid, 340 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 42 IncrementalHoareTripleChecker+Valid, 298 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2023-11-19 07:46:56,094 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [88 Valid, 225 Invalid, 340 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [42 Valid, 298 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2023-11-19 07:46:56,096 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140 states. [2023-11-19 07:46:56,122 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140 to 132. [2023-11-19 07:46:56,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 132 states, 76 states have (on average 1.1578947368421053) internal successors, (88), 77 states have internal predecessors, (88), 49 states have call successors, (49), 6 states have call predecessors, (49), 6 states have return successors, (49), 48 states have call predecessors, (49), 49 states have call successors, (49) [2023-11-19 07:46:56,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 132 states and 186 transitions. [2023-11-19 07:46:56,135 INFO L78 Accepts]: Start accepts. Automaton has 132 states and 186 transitions. Word has length 212 [2023-11-19 07:46:56,137 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:46:56,137 INFO L495 AbstractCegarLoop]: Abstraction has 132 states and 186 transitions. [2023-11-19 07:46:56,138 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 6.5) internal successors, (52), 8 states have internal predecessors, (52), 3 states have call successors, (35), 3 states have call predecessors, (35), 5 states have return successors, (35), 3 states have call predecessors, (35), 3 states have call successors, (35) [2023-11-19 07:46:56,138 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 186 transitions. [2023-11-19 07:46:56,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2023-11-19 07:46:56,142 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:46:56,143 INFO L195 NwaCegarLoop]: trace histogram [35, 35, 35, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:46:56,160 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c5aaf14-663f-4475-abad-50c031da344f/bin/uautomizer-verify-uCwYo4JHxu/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 [2023-11-19 07:46:56,356 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c5aaf14-663f-4475-abad-50c031da344f/bin/uautomizer-verify-uCwYo4JHxu/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2023-11-19 07:46:56,551 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c5aaf14-663f-4475-abad-50c031da344f/bin/uautomizer-verify-uCwYo4JHxu/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c5aaf14-663f-4475-abad-50c031da344f/bin/uautomizer-verify-uCwYo4JHxu/cvc4 --incremental --print-success --lang smt [2023-11-19 07:46:56,551 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:46:56,552 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:46:56,552 INFO L85 PathProgramCache]: Analyzing trace with hash -1415576566, now seen corresponding path program 1 times [2023-11-19 07:46:56,553 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-19 07:46:56,553 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [511343970] [2023-11-19 07:46:56,553 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:46:56,553 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 [2023-11-19 07:46:56,553 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c5aaf14-663f-4475-abad-50c031da344f/bin/uautomizer-verify-uCwYo4JHxu/mathsat [2023-11-19 07:46:56,565 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c5aaf14-663f-4475-abad-50c031da344f/bin/uautomizer-verify-uCwYo4JHxu/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) [2023-11-19 07:46:56,577 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c5aaf14-663f-4475-abad-50c031da344f/bin/uautomizer-verify-uCwYo4JHxu/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2023-11-19 07:46:56,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:46:56,974 INFO L262 TraceCheckSpWp]: Trace formula consists of 329 conjuncts, 23 conjunts are in the unsatisfiable core [2023-11-19 07:46:56,986 INFO L285 TraceCheckSpWp]: Computing forward predicates...