./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-69.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6060a93-7899-4996-b20b-ef64680ff927/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6060a93-7899-4996-b20b-ef64680ff927/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_d6060a93-7899-4996-b20b-ef64680ff927/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6060a93-7899-4996-b20b-ef64680ff927/bin/uautomizer-verify-uCwYo4JHxu/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-69.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6060a93-7899-4996-b20b-ef64680ff927/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_d6060a93-7899-4996-b20b-ef64680ff927/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 01b73e46276f70692a601510faa80641db7bb7027bfb04cc38bc964dfdc1b93b --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 07:36:13,392 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 07:36:13,515 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6060a93-7899-4996-b20b-ef64680ff927/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-19 07:36:13,526 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 07:36:13,527 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 07:36:13,576 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 07:36:13,577 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 07:36:13,578 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 07:36:13,579 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 07:36:13,585 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 07:36:13,585 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 07:36:13,586 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 07:36:13,586 INFO L153 SettingsManager]: * Use SBE=true [2023-11-19 07:36:13,588 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 07:36:13,589 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 07:36:13,589 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 07:36:13,590 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 07:36:13,590 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 07:36:13,591 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 07:36:13,591 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 07:36:13,592 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 07:36:13,592 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 07:36:13,593 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 07:36:13,593 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 07:36:13,594 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 07:36:13,595 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 07:36:13,595 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 07:36:13,596 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 07:36:13,596 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 07:36:13,597 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 07:36:13,598 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 07:36:13,599 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 07:36:13,599 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-19 07:36:13,599 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 07:36:13,600 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-19 07:36:13,600 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 07:36:13,600 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-19 07:36:13,601 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 07:36:13,601 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-19 07:36:13,601 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_d6060a93-7899-4996-b20b-ef64680ff927/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6060a93-7899-4996-b20b-ef64680ff927/bin/uautomizer-verify-uCwYo4JHxu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 01b73e46276f70692a601510faa80641db7bb7027bfb04cc38bc964dfdc1b93b [2023-11-19 07:36:13,959 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 07:36:14,008 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 07:36:14,011 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 07:36:14,012 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 07:36:14,013 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 07:36:14,014 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6060a93-7899-4996-b20b-ef64680ff927/bin/uautomizer-verify-uCwYo4JHxu/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-69.i [2023-11-19 07:36:17,202 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 07:36:17,485 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 07:36:17,486 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6060a93-7899-4996-b20b-ef64680ff927/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-69.i [2023-11-19 07:36:17,505 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6060a93-7899-4996-b20b-ef64680ff927/bin/uautomizer-verify-uCwYo4JHxu/data/10b57865c/25b4e62814c94617ac61d8745e4112ff/FLAG377665f0a [2023-11-19 07:36:17,524 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6060a93-7899-4996-b20b-ef64680ff927/bin/uautomizer-verify-uCwYo4JHxu/data/10b57865c/25b4e62814c94617ac61d8745e4112ff [2023-11-19 07:36:17,534 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 07:36:17,536 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 07:36:17,541 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 07:36:17,541 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 07:36:17,548 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 07:36:17,549 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:36:17" (1/1) ... [2023-11-19 07:36:17,550 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2cfbd056 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:36:17, skipping insertion in model container [2023-11-19 07:36:17,550 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:36:17" (1/1) ... [2023-11-19 07:36:17,609 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 07:36:17,823 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_d6060a93-7899-4996-b20b-ef64680ff927/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-69.i[916,929] [2023-11-19 07:36:17,913 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:36:17,927 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 07:36:17,951 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_d6060a93-7899-4996-b20b-ef64680ff927/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-69.i[916,929] [2023-11-19 07:36:18,026 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:36:18,045 INFO L206 MainTranslator]: Completed translation [2023-11-19 07:36:18,046 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:36:18 WrapperNode [2023-11-19 07:36:18,046 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 07:36:18,047 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 07:36:18,047 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 07:36:18,048 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 07:36:18,056 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:36:18" (1/1) ... [2023-11-19 07:36:18,076 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:36:18" (1/1) ... [2023-11-19 07:36:18,127 INFO L138 Inliner]: procedures = 26, calls = 41, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 245 [2023-11-19 07:36:18,127 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 07:36:18,128 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 07:36:18,129 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 07:36:18,129 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 07:36:18,140 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:36:18" (1/1) ... [2023-11-19 07:36:18,140 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:36:18" (1/1) ... [2023-11-19 07:36:18,145 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:36:18" (1/1) ... [2023-11-19 07:36:18,145 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:36:18" (1/1) ... [2023-11-19 07:36:18,160 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:36:18" (1/1) ... [2023-11-19 07:36:18,165 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:36:18" (1/1) ... [2023-11-19 07:36:18,169 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:36:18" (1/1) ... [2023-11-19 07:36:18,172 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:36:18" (1/1) ... [2023-11-19 07:36:18,177 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 07:36:18,178 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 07:36:18,178 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 07:36:18,179 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 07:36:18,180 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:36:18" (1/1) ... [2023-11-19 07:36:18,186 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 07:36:18,203 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6060a93-7899-4996-b20b-ef64680ff927/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:36:18,218 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6060a93-7899-4996-b20b-ef64680ff927/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 07:36:18,252 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6060a93-7899-4996-b20b-ef64680ff927/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 07:36:18,280 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 07:36:18,280 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 07:36:18,281 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 07:36:18,281 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 07:36:18,282 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 07:36:18,282 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 07:36:18,444 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 07:36:18,447 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 07:36:19,091 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 07:36:19,102 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 07:36:19,103 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 07:36:19,108 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:36:19 BoogieIcfgContainer [2023-11-19 07:36:19,108 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 07:36:19,112 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 07:36:19,112 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 07:36:19,116 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 07:36:19,116 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 07:36:17" (1/3) ... [2023-11-19 07:36:19,117 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@608d18f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:36:19, skipping insertion in model container [2023-11-19 07:36:19,118 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:36:18" (2/3) ... [2023-11-19 07:36:19,118 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@608d18f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:36:19, skipping insertion in model container [2023-11-19 07:36:19,118 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:36:19" (3/3) ... [2023-11-19 07:36:19,120 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_100-while_file-69.i [2023-11-19 07:36:19,143 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 07:36:19,143 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-19 07:36:19,203 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 07:36:19,210 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;@7f2338b0, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-19 07:36:19,211 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-19 07:36:19,216 INFO L276 IsEmpty]: Start isEmpty. Operand has 104 states, 73 states have (on average 1.5342465753424657) internal successors, (112), 74 states have internal predecessors, (112), 28 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28) [2023-11-19 07:36:19,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2023-11-19 07:36:19,236 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:36:19,237 INFO L195 NwaCegarLoop]: trace histogram [28, 28, 28, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:36:19,237 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:36:19,244 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:36:19,244 INFO L85 PathProgramCache]: Analyzing trace with hash -1901918458, now seen corresponding path program 1 times [2023-11-19 07:36:19,255 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:36:19,255 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1594974308] [2023-11-19 07:36:19,256 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:36:19,256 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:36:19,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:36:19,606 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:36:19,607 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1594974308] [2023-11-19 07:36:19,608 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2023-11-19 07:36:19,608 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1690998841] [2023-11-19 07:36:19,609 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:36:19,609 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 07:36:19,609 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6060a93-7899-4996-b20b-ef64680ff927/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:36:19,612 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6060a93-7899-4996-b20b-ef64680ff927/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 07:36:19,648 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6060a93-7899-4996-b20b-ef64680ff927/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-19 07:36:19,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:36:19,925 INFO L262 TraceCheckSpWp]: Trace formula consists of 437 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 07:36:19,942 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:36:20,037 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 1458 trivial. 0 not checked. [2023-11-19 07:36:20,044 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 07:36:20,045 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1690998841] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:36:20,046 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:36:20,046 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 07:36:20,049 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1754586760] [2023-11-19 07:36:20,050 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:36:20,059 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-19 07:36:20,059 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:36:20,132 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-19 07:36:20,133 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-19 07:36:20,136 INFO L87 Difference]: Start difference. First operand has 104 states, 73 states have (on average 1.5342465753424657) internal successors, (112), 74 states have internal predecessors, (112), 28 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28) Second operand has 2 states, 2 states have (on average 23.0) internal successors, (46), 2 states have internal predecessors, (46), 2 states have call successors, (28), 2 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 2 states have call successors, (28) [2023-11-19 07:36:20,223 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:36:20,223 INFO L93 Difference]: Finished difference Result 201 states and 358 transitions. [2023-11-19 07:36:20,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-19 07:36:20,226 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 23.0) internal successors, (46), 2 states have internal predecessors, (46), 2 states have call successors, (28), 2 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 2 states have call successors, (28) Word has length 181 [2023-11-19 07:36:20,227 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:36:20,237 INFO L225 Difference]: With dead ends: 201 [2023-11-19 07:36:20,238 INFO L226 Difference]: Without dead ends: 100 [2023-11-19 07:36:20,243 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 180 GetRequests, 180 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 07:36:20,247 INFO L413 NwaCegarLoop]: 159 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, 159 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 07:36:20,249 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 159 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 07:36:20,270 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 100 states. [2023-11-19 07:36:20,305 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 100 to 100. [2023-11-19 07:36:20,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 100 states, 70 states have (on average 1.4714285714285715) internal successors, (103), 70 states have internal predecessors, (103), 28 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28) [2023-11-19 07:36:20,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 159 transitions. [2023-11-19 07:36:20,312 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 159 transitions. Word has length 181 [2023-11-19 07:36:20,313 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:36:20,313 INFO L495 AbstractCegarLoop]: Abstraction has 100 states and 159 transitions. [2023-11-19 07:36:20,314 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 23.0) internal successors, (46), 2 states have internal predecessors, (46), 2 states have call successors, (28), 2 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 2 states have call successors, (28) [2023-11-19 07:36:20,314 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 159 transitions. [2023-11-19 07:36:20,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2023-11-19 07:36:20,319 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:36:20,320 INFO L195 NwaCegarLoop]: trace histogram [28, 28, 28, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:36:20,347 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6060a93-7899-4996-b20b-ef64680ff927/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2023-11-19 07:36:20,542 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6060a93-7899-4996-b20b-ef64680ff927/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-11-19 07:36:20,543 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:36:20,544 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:36:20,544 INFO L85 PathProgramCache]: Analyzing trace with hash -26573110, now seen corresponding path program 1 times [2023-11-19 07:36:20,544 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:36:20,544 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [698143689] [2023-11-19 07:36:20,545 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:36:20,545 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:36:20,649 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-19 07:36:20,649 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1764286059] [2023-11-19 07:36:20,650 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:36:20,650 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 07:36:20,650 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6060a93-7899-4996-b20b-ef64680ff927/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:36:20,652 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6060a93-7899-4996-b20b-ef64680ff927/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 07:36:20,680 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6060a93-7899-4996-b20b-ef64680ff927/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-19 07:36:20,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:36:20,853 INFO L262 TraceCheckSpWp]: Trace formula consists of 437 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-19 07:36:20,862 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:36:21,265 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 543 proven. 63 refuted. 0 times theorem prover too weak. 906 trivial. 0 not checked. [2023-11-19 07:36:21,266 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-19 07:36:21,780 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 18 proven. 63 refuted. 0 times theorem prover too weak. 1431 trivial. 0 not checked. [2023-11-19 07:36:21,780 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:36:21,780 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [698143689] [2023-11-19 07:36:21,780 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-19 07:36:21,781 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1764286059] [2023-11-19 07:36:21,781 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1764286059] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-19 07:36:21,781 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-19 07:36:21,781 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2023-11-19 07:36:21,782 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1092525943] [2023-11-19 07:36:21,782 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-19 07:36:21,784 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-19 07:36:21,784 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:36:21,785 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-19 07:36:21,785 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-11-19 07:36:21,786 INFO L87 Difference]: Start difference. First operand 100 states and 159 transitions. Second operand has 8 states, 8 states have (on average 8.75) internal successors, (70), 8 states have internal predecessors, (70), 3 states have call successors, (49), 2 states have call predecessors, (49), 4 states have return successors, (50), 3 states have call predecessors, (50), 3 states have call successors, (50) [2023-11-19 07:36:22,182 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:36:22,182 INFO L93 Difference]: Finished difference Result 203 states and 320 transitions. [2023-11-19 07:36:22,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-19 07:36:22,185 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 8.75) internal successors, (70), 8 states have internal predecessors, (70), 3 states have call successors, (49), 2 states have call predecessors, (49), 4 states have return successors, (50), 3 states have call predecessors, (50), 3 states have call successors, (50) Word has length 181 [2023-11-19 07:36:22,188 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:36:22,195 INFO L225 Difference]: With dead ends: 203 [2023-11-19 07:36:22,197 INFO L226 Difference]: Without dead ends: 106 [2023-11-19 07:36:22,199 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 364 GetRequests, 354 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=53, Invalid=79, Unknown=0, NotChecked=0, Total=132 [2023-11-19 07:36:22,204 INFO L413 NwaCegarLoop]: 113 mSDtfsCounter, 91 mSDsluCounter, 172 mSDsCounter, 0 mSdLazyCounter, 185 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 97 SdHoareTripleChecker+Valid, 285 SdHoareTripleChecker+Invalid, 196 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 185 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-19 07:36:22,206 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [97 Valid, 285 Invalid, 196 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 185 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-19 07:36:22,208 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 106 states. [2023-11-19 07:36:22,245 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 106 to 104. [2023-11-19 07:36:22,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 104 states, 73 states have (on average 1.4109589041095891) internal successors, (103), 73 states have internal predecessors, (103), 28 states have call successors, (28), 2 states have call predecessors, (28), 2 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28) [2023-11-19 07:36:22,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 159 transitions. [2023-11-19 07:36:22,253 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 159 transitions. Word has length 181 [2023-11-19 07:36:22,254 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:36:22,255 INFO L495 AbstractCegarLoop]: Abstraction has 104 states and 159 transitions. [2023-11-19 07:36:22,256 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.75) internal successors, (70), 8 states have internal predecessors, (70), 3 states have call successors, (49), 2 states have call predecessors, (49), 4 states have return successors, (50), 3 states have call predecessors, (50), 3 states have call successors, (50) [2023-11-19 07:36:22,256 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 159 transitions. [2023-11-19 07:36:22,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2023-11-19 07:36:22,268 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:36:22,269 INFO L195 NwaCegarLoop]: trace histogram [28, 28, 28, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:36:22,294 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6060a93-7899-4996-b20b-ef64680ff927/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-11-19 07:36:22,490 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6060a93-7899-4996-b20b-ef64680ff927/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 07:36:22,490 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:36:22,491 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:36:22,491 INFO L85 PathProgramCache]: Analyzing trace with hash 1825852329, now seen corresponding path program 1 times [2023-11-19 07:36:22,491 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:36:22,492 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [713540337] [2023-11-19 07:36:22,492 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:36:22,492 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:36:22,551 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-19 07:36:22,551 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [509979101] [2023-11-19 07:36:22,551 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:36:22,552 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 07:36:22,552 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6060a93-7899-4996-b20b-ef64680ff927/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:36:22,553 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6060a93-7899-4996-b20b-ef64680ff927/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 07:36:22,578 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6060a93-7899-4996-b20b-ef64680ff927/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-11-19 07:36:22,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:36:22,732 INFO L262 TraceCheckSpWp]: Trace formula consists of 439 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-19 07:36:22,749 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:36:22,877 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 573 proven. 18 refuted. 0 times theorem prover too weak. 921 trivial. 0 not checked. [2023-11-19 07:36:22,877 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-19 07:36:23,133 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 63 proven. 18 refuted. 0 times theorem prover too weak. 1431 trivial. 0 not checked. [2023-11-19 07:36:23,134 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:36:23,134 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [713540337] [2023-11-19 07:36:23,134 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-19 07:36:23,135 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [509979101] [2023-11-19 07:36:23,135 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [509979101] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-19 07:36:23,135 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-19 07:36:23,136 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2023-11-19 07:36:23,136 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [936031266] [2023-11-19 07:36:23,136 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-19 07:36:23,138 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-19 07:36:23,139 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:36:23,141 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-19 07:36:23,142 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2023-11-19 07:36:23,144 INFO L87 Difference]: Start difference. First operand 104 states and 159 transitions. Second operand has 7 states, 7 states have (on average 7.714285714285714) internal successors, (54), 7 states have internal predecessors, (54), 2 states have call successors, (34), 2 states have call predecessors, (34), 4 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) [2023-11-19 07:36:23,422 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:36:23,422 INFO L93 Difference]: Finished difference Result 213 states and 322 transitions. [2023-11-19 07:36:23,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-19 07:36:23,423 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.714285714285714) internal successors, (54), 7 states have internal predecessors, (54), 2 states have call successors, (34), 2 states have call predecessors, (34), 4 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) Word has length 182 [2023-11-19 07:36:23,425 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:36:23,427 INFO L225 Difference]: With dead ends: 213 [2023-11-19 07:36:23,428 INFO L226 Difference]: Without dead ends: 112 [2023-11-19 07:36:23,431 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 366 GetRequests, 356 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=45, Invalid=65, Unknown=0, NotChecked=0, Total=110 [2023-11-19 07:36:23,436 INFO L413 NwaCegarLoop]: 121 mSDtfsCounter, 117 mSDsluCounter, 184 mSDsCounter, 0 mSdLazyCounter, 155 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 137 SdHoareTripleChecker+Valid, 305 SdHoareTripleChecker+Invalid, 165 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 155 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-19 07:36:23,441 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [137 Valid, 305 Invalid, 165 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 155 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-19 07:36:23,443 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 112 states. [2023-11-19 07:36:23,480 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 112 to 108. [2023-11-19 07:36:23,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 108 states, 76 states have (on average 1.381578947368421) internal successors, (105), 76 states have internal predecessors, (105), 28 states have call successors, (28), 3 states have call predecessors, (28), 3 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28) [2023-11-19 07:36:23,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 161 transitions. [2023-11-19 07:36:23,486 INFO L78 Accepts]: Start accepts. Automaton has 108 states and 161 transitions. Word has length 182 [2023-11-19 07:36:23,487 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:36:23,487 INFO L495 AbstractCegarLoop]: Abstraction has 108 states and 161 transitions. [2023-11-19 07:36:23,488 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.714285714285714) internal successors, (54), 7 states have internal predecessors, (54), 2 states have call successors, (34), 2 states have call predecessors, (34), 4 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) [2023-11-19 07:36:23,488 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 161 transitions. [2023-11-19 07:36:23,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2023-11-19 07:36:23,492 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:36:23,492 INFO L195 NwaCegarLoop]: trace histogram [28, 28, 28, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:36:23,520 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6060a93-7899-4996-b20b-ef64680ff927/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-11-19 07:36:23,708 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6060a93-7899-4996-b20b-ef64680ff927/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 07:36:23,709 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:36:23,710 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:36:23,710 INFO L85 PathProgramCache]: Analyzing trace with hash -889328471, now seen corresponding path program 1 times [2023-11-19 07:36:23,710 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:36:23,710 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1454454147] [2023-11-19 07:36:23,711 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:36:23,711 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:36:23,795 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-19 07:36:23,798 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [902057778] [2023-11-19 07:36:23,798 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:36:23,799 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 07:36:23,799 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6060a93-7899-4996-b20b-ef64680ff927/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:36:23,800 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6060a93-7899-4996-b20b-ef64680ff927/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 07:36:23,824 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6060a93-7899-4996-b20b-ef64680ff927/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-11-19 07:36:23,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:36:23,981 INFO L262 TraceCheckSpWp]: Trace formula consists of 439 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-19 07:36:23,987 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:36:24,104 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 573 proven. 18 refuted. 0 times theorem prover too weak. 921 trivial. 0 not checked. [2023-11-19 07:36:24,105 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-19 07:36:24,298 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 63 proven. 18 refuted. 0 times theorem prover too weak. 1431 trivial. 0 not checked. [2023-11-19 07:36:24,298 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:36:24,298 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1454454147] [2023-11-19 07:36:24,299 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-19 07:36:24,299 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [902057778] [2023-11-19 07:36:24,299 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [902057778] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-19 07:36:24,299 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-19 07:36:24,300 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 8 [2023-11-19 07:36:24,300 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [760235999] [2023-11-19 07:36:24,300 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-19 07:36:24,302 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-19 07:36:24,302 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:36:24,303 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-19 07:36:24,304 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2023-11-19 07:36:24,304 INFO L87 Difference]: Start difference. First operand 108 states and 161 transitions. Second operand has 8 states, 8 states have (on average 6.75) internal successors, (54), 8 states have internal predecessors, (54), 2 states have call successors, (34), 2 states have call predecessors, (34), 4 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) [2023-11-19 07:36:24,942 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:36:24,943 INFO L93 Difference]: Finished difference Result 325 states and 483 transitions. [2023-11-19 07:36:24,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-11-19 07:36:24,943 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 6.75) internal successors, (54), 8 states have internal predecessors, (54), 2 states have call successors, (34), 2 states have call predecessors, (34), 4 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) Word has length 182 [2023-11-19 07:36:24,945 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:36:24,949 INFO L225 Difference]: With dead ends: 325 [2023-11-19 07:36:24,949 INFO L226 Difference]: Without dead ends: 220 [2023-11-19 07:36:24,950 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 374 GetRequests, 355 SyntacticMatches, 2 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=112, Invalid=230, Unknown=0, NotChecked=0, Total=342 [2023-11-19 07:36:24,957 INFO L413 NwaCegarLoop]: 115 mSDtfsCounter, 297 mSDsluCounter, 281 mSDsCounter, 0 mSdLazyCounter, 213 mSolverCounterSat, 114 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 319 SdHoareTripleChecker+Valid, 396 SdHoareTripleChecker+Invalid, 327 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 114 IncrementalHoareTripleChecker+Valid, 213 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-11-19 07:36:24,959 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [319 Valid, 396 Invalid, 327 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [114 Valid, 213 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-11-19 07:36:24,962 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 220 states. [2023-11-19 07:36:25,017 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 220 to 209. [2023-11-19 07:36:25,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 209 states, 146 states have (on average 1.3630136986301369) internal successors, (199), 146 states have internal predecessors, (199), 56 states have call successors, (56), 6 states have call predecessors, (56), 6 states have return successors, (56), 56 states have call predecessors, (56), 56 states have call successors, (56) [2023-11-19 07:36:25,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 209 states and 311 transitions. [2023-11-19 07:36:25,021 INFO L78 Accepts]: Start accepts. Automaton has 209 states and 311 transitions. Word has length 182 [2023-11-19 07:36:25,022 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:36:25,023 INFO L495 AbstractCegarLoop]: Abstraction has 209 states and 311 transitions. [2023-11-19 07:36:25,023 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 6.75) internal successors, (54), 8 states have internal predecessors, (54), 2 states have call successors, (34), 2 states have call predecessors, (34), 4 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) [2023-11-19 07:36:25,023 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 311 transitions. [2023-11-19 07:36:25,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2023-11-19 07:36:25,026 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:36:25,027 INFO L195 NwaCegarLoop]: trace histogram [28, 28, 28, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:36:25,052 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6060a93-7899-4996-b20b-ef64680ff927/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-11-19 07:36:25,240 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6060a93-7899-4996-b20b-ef64680ff927/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 07:36:25,241 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:36:25,241 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:36:25,241 INFO L85 PathProgramCache]: Analyzing trace with hash -631163033, now seen corresponding path program 1 times [2023-11-19 07:36:25,241 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:36:25,241 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [127486211] [2023-11-19 07:36:25,242 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:36:25,242 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:36:25,315 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-19 07:36:25,316 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1479955649] [2023-11-19 07:36:25,316 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:36:25,317 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 07:36:25,324 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6060a93-7899-4996-b20b-ef64680ff927/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:36:25,326 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6060a93-7899-4996-b20b-ef64680ff927/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 07:36:25,330 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6060a93-7899-4996-b20b-ef64680ff927/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-11-19 07:36:25,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:36:25,534 INFO L262 TraceCheckSpWp]: Trace formula consists of 438 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-19 07:36:25,543 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:36:26,369 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 477 proven. 66 refuted. 0 times theorem prover too weak. 969 trivial. 0 not checked. [2023-11-19 07:36:26,370 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-19 07:36:27,311 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1512 trivial. 0 not checked. [2023-11-19 07:36:27,314 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:36:27,315 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [127486211] [2023-11-19 07:36:27,315 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-19 07:36:27,315 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1479955649] [2023-11-19 07:36:27,316 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1479955649] provided 1 perfect and 1 imperfect interpolant sequences [2023-11-19 07:36:27,317 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-19 07:36:27,317 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [8] total 10 [2023-11-19 07:36:27,317 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1559874532] [2023-11-19 07:36:27,317 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:36:27,321 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-19 07:36:27,322 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:36:27,323 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-19 07:36:27,323 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2023-11-19 07:36:27,323 INFO L87 Difference]: Start difference. First operand 209 states and 311 transitions. Second operand has 5 states, 5 states have (on average 9.0) internal successors, (45), 5 states have internal predecessors, (45), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) [2023-11-19 07:36:27,583 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:36:27,584 INFO L93 Difference]: Finished difference Result 431 states and 638 transitions. [2023-11-19 07:36:27,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-19 07:36:27,585 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.0) internal successors, (45), 5 states have internal predecessors, (45), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) Word has length 182 [2023-11-19 07:36:27,585 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:36:27,590 INFO L225 Difference]: With dead ends: 431 [2023-11-19 07:36:27,590 INFO L226 Difference]: Without dead ends: 225 [2023-11-19 07:36:27,592 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 363 GetRequests, 354 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2023-11-19 07:36:27,593 INFO L413 NwaCegarLoop]: 182 mSDtfsCounter, 188 mSDsluCounter, 357 mSDsCounter, 0 mSdLazyCounter, 99 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 188 SdHoareTripleChecker+Valid, 539 SdHoareTripleChecker+Invalid, 102 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 99 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-19 07:36:27,593 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [188 Valid, 539 Invalid, 102 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 99 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-19 07:36:27,596 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 225 states. [2023-11-19 07:36:27,645 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 225 to 220. [2023-11-19 07:36:27,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 220 states, 152 states have (on average 1.3421052631578947) internal successors, (204), 153 states have internal predecessors, (204), 60 states have call successors, (60), 7 states have call predecessors, (60), 7 states have return successors, (60), 59 states have call predecessors, (60), 60 states have call successors, (60) [2023-11-19 07:36:27,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 220 states and 324 transitions. [2023-11-19 07:36:27,649 INFO L78 Accepts]: Start accepts. Automaton has 220 states and 324 transitions. Word has length 182 [2023-11-19 07:36:27,650 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:36:27,650 INFO L495 AbstractCegarLoop]: Abstraction has 220 states and 324 transitions. [2023-11-19 07:36:27,651 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.0) internal successors, (45), 5 states have internal predecessors, (45), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) [2023-11-19 07:36:27,651 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 324 transitions. [2023-11-19 07:36:27,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2023-11-19 07:36:27,654 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:36:27,655 INFO L195 NwaCegarLoop]: trace histogram [28, 28, 28, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:36:27,692 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6060a93-7899-4996-b20b-ef64680ff927/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2023-11-19 07:36:27,868 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6060a93-7899-4996-b20b-ef64680ff927/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 07:36:27,868 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:36:27,869 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:36:27,869 INFO L85 PathProgramCache]: Analyzing trace with hash -662603888, now seen corresponding path program 1 times [2023-11-19 07:36:27,869 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:36:27,869 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1977372202] [2023-11-19 07:36:27,869 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:36:27,870 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:36:27,912 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-19 07:36:27,912 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [910793696] [2023-11-19 07:36:27,912 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:36:27,912 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 07:36:27,913 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6060a93-7899-4996-b20b-ef64680ff927/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:36:27,914 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6060a93-7899-4996-b20b-ef64680ff927/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 07:36:27,944 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6060a93-7899-4996-b20b-ef64680ff927/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-11-19 07:36:28,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:36:28,119 INFO L262 TraceCheckSpWp]: Trace formula consists of 442 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-19 07:36:28,125 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:36:28,353 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 599 proven. 27 refuted. 0 times theorem prover too weak. 886 trivial. 0 not checked. [2023-11-19 07:36:28,353 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-19 07:36:28,725 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 129 proven. 30 refuted. 0 times theorem prover too weak. 1353 trivial. 0 not checked. [2023-11-19 07:36:28,726 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:36:28,726 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1977372202] [2023-11-19 07:36:28,726 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-19 07:36:28,726 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [910793696] [2023-11-19 07:36:28,727 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [910793696] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-19 07:36:28,727 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-19 07:36:28,727 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 14 [2023-11-19 07:36:28,727 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [444113418] [2023-11-19 07:36:28,727 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-19 07:36:28,728 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2023-11-19 07:36:28,728 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:36:28,729 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2023-11-19 07:36:28,729 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=130, Unknown=0, NotChecked=0, Total=182 [2023-11-19 07:36:28,730 INFO L87 Difference]: Start difference. First operand 220 states and 324 transitions. Second operand has 14 states, 14 states have (on average 4.714285714285714) internal successors, (66), 14 states have internal predecessors, (66), 3 states have call successors, (34), 3 states have call predecessors, (34), 7 states have return successors, (35), 3 states have call predecessors, (35), 3 states have call successors, (35) [2023-11-19 07:36:30,105 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:36:30,105 INFO L93 Difference]: Finished difference Result 576 states and 825 transitions. [2023-11-19 07:36:30,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2023-11-19 07:36:30,106 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 4.714285714285714) internal successors, (66), 14 states have internal predecessors, (66), 3 states have call successors, (34), 3 states have call predecessors, (34), 7 states have return successors, (35), 3 states have call predecessors, (35), 3 states have call successors, (35) Word has length 183 [2023-11-19 07:36:30,106 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:36:30,110 INFO L225 Difference]: With dead ends: 576 [2023-11-19 07:36:30,111 INFO L226 Difference]: Without dead ends: 366 [2023-11-19 07:36:30,113 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 401 GetRequests, 354 SyntacticMatches, 2 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 661 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=578, Invalid=1584, Unknown=0, NotChecked=0, Total=2162 [2023-11-19 07:36:30,114 INFO L413 NwaCegarLoop]: 187 mSDtfsCounter, 1086 mSDsluCounter, 686 mSDsCounter, 0 mSdLazyCounter, 393 mSolverCounterSat, 627 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1108 SdHoareTripleChecker+Valid, 873 SdHoareTripleChecker+Invalid, 1020 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 627 IncrementalHoareTripleChecker+Valid, 393 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2023-11-19 07:36:30,114 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1108 Valid, 873 Invalid, 1020 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [627 Valid, 393 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2023-11-19 07:36:30,115 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 366 states. [2023-11-19 07:36:30,177 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 366 to 337. [2023-11-19 07:36:30,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 337 states, 234 states have (on average 1.3205128205128205) internal successors, (309), 235 states have internal predecessors, (309), 88 states have call successors, (88), 14 states have call predecessors, (88), 14 states have return successors, (88), 87 states have call predecessors, (88), 88 states have call successors, (88) [2023-11-19 07:36:30,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 337 states and 485 transitions. [2023-11-19 07:36:30,183 INFO L78 Accepts]: Start accepts. Automaton has 337 states and 485 transitions. Word has length 183 [2023-11-19 07:36:30,187 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:36:30,187 INFO L495 AbstractCegarLoop]: Abstraction has 337 states and 485 transitions. [2023-11-19 07:36:30,187 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 4.714285714285714) internal successors, (66), 14 states have internal predecessors, (66), 3 states have call successors, (34), 3 states have call predecessors, (34), 7 states have return successors, (35), 3 states have call predecessors, (35), 3 states have call successors, (35) [2023-11-19 07:36:30,187 INFO L276 IsEmpty]: Start isEmpty. Operand 337 states and 485 transitions. [2023-11-19 07:36:30,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2023-11-19 07:36:30,190 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:36:30,190 INFO L195 NwaCegarLoop]: trace histogram [28, 28, 28, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:36:30,221 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6060a93-7899-4996-b20b-ef64680ff927/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2023-11-19 07:36:30,416 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6060a93-7899-4996-b20b-ef64680ff927/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 07:36:30,417 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:36:30,417 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:36:30,417 INFO L85 PathProgramCache]: Analyzing trace with hash 579562588, now seen corresponding path program 1 times [2023-11-19 07:36:30,418 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:36:30,418 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2132823078] [2023-11-19 07:36:30,418 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:36:30,418 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:36:30,467 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-19 07:36:30,468 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [783770544] [2023-11-19 07:36:30,468 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:36:30,468 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 07:36:30,468 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6060a93-7899-4996-b20b-ef64680ff927/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:36:30,469 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6060a93-7899-4996-b20b-ef64680ff927/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 07:36:30,492 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6060a93-7899-4996-b20b-ef64680ff927/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-11-19 07:36:30,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:36:30,657 INFO L262 TraceCheckSpWp]: Trace formula consists of 444 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-19 07:36:30,663 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:36:31,345 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1512 trivial. 0 not checked. [2023-11-19 07:36:31,346 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 07:36:31,346 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:36:31,347 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2132823078] [2023-11-19 07:36:31,347 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-19 07:36:31,347 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [783770544] [2023-11-19 07:36:31,347 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [783770544] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:36:31,347 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:36:31,348 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 07:36:31,348 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1074563401] [2023-11-19 07:36:31,348 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:36:31,349 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-19 07:36:31,349 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:36:31,350 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-19 07:36:31,353 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-19 07:36:31,353 INFO L87 Difference]: Start difference. First operand 337 states and 485 transitions. Second operand has 4 states, 4 states have (on average 11.75) internal successors, (47), 3 states have internal predecessors, (47), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) [2023-11-19 07:36:31,647 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:36:31,647 INFO L93 Difference]: Finished difference Result 806 states and 1160 transitions. [2023-11-19 07:36:31,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-19 07:36:31,650 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.75) internal successors, (47), 3 states have internal predecessors, (47), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) Word has length 184 [2023-11-19 07:36:31,650 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:36:31,655 INFO L225 Difference]: With dead ends: 806 [2023-11-19 07:36:31,655 INFO L226 Difference]: Without dead ends: 479 [2023-11-19 07:36:31,656 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 184 GetRequests, 181 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-19 07:36:31,657 INFO L413 NwaCegarLoop]: 149 mSDtfsCounter, 89 mSDsluCounter, 266 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 57 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 89 SdHoareTripleChecker+Valid, 415 SdHoareTripleChecker+Invalid, 101 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 57 IncrementalHoareTripleChecker+Valid, 44 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-19 07:36:31,657 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [89 Valid, 415 Invalid, 101 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [57 Valid, 44 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-19 07:36:31,659 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 479 states. [2023-11-19 07:36:31,698 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 479 to 287. [2023-11-19 07:36:31,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 287 states, 189 states have (on average 1.291005291005291) internal successors, (244), 189 states have internal predecessors, (244), 84 states have call successors, (84), 13 states have call predecessors, (84), 13 states have return successors, (84), 84 states have call predecessors, (84), 84 states have call successors, (84) [2023-11-19 07:36:31,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 287 states and 412 transitions. [2023-11-19 07:36:31,703 INFO L78 Accepts]: Start accepts. Automaton has 287 states and 412 transitions. Word has length 184 [2023-11-19 07:36:31,703 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:36:31,703 INFO L495 AbstractCegarLoop]: Abstraction has 287 states and 412 transitions. [2023-11-19 07:36:31,703 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.75) internal successors, (47), 3 states have internal predecessors, (47), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) [2023-11-19 07:36:31,704 INFO L276 IsEmpty]: Start isEmpty. Operand 287 states and 412 transitions. [2023-11-19 07:36:31,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2023-11-19 07:36:31,706 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:36:31,706 INFO L195 NwaCegarLoop]: trace histogram [28, 28, 28, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:36:31,733 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6060a93-7899-4996-b20b-ef64680ff927/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2023-11-19 07:36:31,920 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6060a93-7899-4996-b20b-ef64680ff927/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 07:36:31,920 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:36:31,921 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:36:31,921 INFO L85 PathProgramCache]: Analyzing trace with hash 2001457451, now seen corresponding path program 1 times [2023-11-19 07:36:31,921 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:36:31,921 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1079243248] [2023-11-19 07:36:31,921 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:36:31,922 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:36:31,965 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-19 07:36:31,965 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [106903735] [2023-11-19 07:36:31,965 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:36:31,965 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 07:36:31,966 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6060a93-7899-4996-b20b-ef64680ff927/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:36:31,967 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6060a93-7899-4996-b20b-ef64680ff927/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 07:36:31,992 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6060a93-7899-4996-b20b-ef64680ff927/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2023-11-19 07:36:32,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:36:32,158 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 07:36:32,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:36:32,407 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 07:36:32,408 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-19 07:36:32,409 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-19 07:36:32,436 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6060a93-7899-4996-b20b-ef64680ff927/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2023-11-19 07:36:32,631 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6060a93-7899-4996-b20b-ef64680ff927/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 07:36:32,635 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:36:32,639 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-19 07:36:32,763 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet4 could not be translated [2023-11-19 07:36:32,769 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short22 could not be translated [2023-11-19 07:36:32,770 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short22 could not be translated [2023-11-19 07:36:32,770 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet21 could not be translated [2023-11-19 07:36:32,770 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet21 could not be translated [2023-11-19 07:36:32,770 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short22 could not be translated [2023-11-19 07:36:32,771 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short26 could not be translated [2023-11-19 07:36:32,771 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet21 could not be translated [2023-11-19 07:36:32,771 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short22 could not be translated [2023-11-19 07:36:32,823 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 07:36:32 BoogieIcfgContainer [2023-11-19 07:36:32,824 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-19 07:36:32,824 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 07:36:32,824 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 07:36:32,825 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 07:36:32,825 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:36:19" (3/4) ... [2023-11-19 07:36:32,828 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-19 07:36:32,829 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 07:36:32,830 INFO L158 Benchmark]: Toolchain (without parser) took 15294.13ms. Allocated memory was 132.1MB in the beginning and 255.9MB in the end (delta: 123.7MB). Free memory was 73.9MB in the beginning and 143.0MB in the end (delta: -69.1MB). Peak memory consumption was 55.1MB. Max. memory is 16.1GB. [2023-11-19 07:36:32,831 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 132.1MB. Free memory is still 106.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 07:36:32,831 INFO L158 Benchmark]: CACSL2BoogieTranslator took 505.68ms. Allocated memory was 132.1MB in the beginning and 176.2MB in the end (delta: 44.0MB). Free memory was 73.8MB in the beginning and 144.2MB in the end (delta: -70.5MB). Peak memory consumption was 14.2MB. Max. memory is 16.1GB. [2023-11-19 07:36:32,832 INFO L158 Benchmark]: Boogie Procedure Inliner took 80.50ms. Allocated memory is still 176.2MB. Free memory was 144.2MB in the beginning and 140.0MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-19 07:36:32,832 INFO L158 Benchmark]: Boogie Preprocessor took 48.98ms. Allocated memory is still 176.2MB. Free memory was 140.0MB in the beginning and 138.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 07:36:32,833 INFO L158 Benchmark]: RCFGBuilder took 930.59ms. Allocated memory is still 176.2MB. Free memory was 138.0MB in the beginning and 109.6MB in the end (delta: 28.4MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. [2023-11-19 07:36:32,833 INFO L158 Benchmark]: TraceAbstraction took 13711.70ms. Allocated memory was 176.2MB in the beginning and 255.9MB in the end (delta: 79.7MB). Free memory was 108.6MB in the beginning and 144.0MB in the end (delta: -35.4MB). Peak memory consumption was 45.1MB. Max. memory is 16.1GB. [2023-11-19 07:36:32,834 INFO L158 Benchmark]: Witness Printer took 5.33ms. Allocated memory is still 255.9MB. Free memory was 144.0MB in the beginning and 143.0MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 07:36:32,838 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 132.1MB. Free memory is still 106.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 505.68ms. Allocated memory was 132.1MB in the beginning and 176.2MB in the end (delta: 44.0MB). Free memory was 73.8MB in the beginning and 144.2MB in the end (delta: -70.5MB). Peak memory consumption was 14.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 80.50ms. Allocated memory is still 176.2MB. Free memory was 144.2MB in the beginning and 140.0MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 48.98ms. Allocated memory is still 176.2MB. Free memory was 140.0MB in the beginning and 138.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 930.59ms. Allocated memory is still 176.2MB. Free memory was 138.0MB in the beginning and 109.6MB in the end (delta: 28.4MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. * TraceAbstraction took 13711.70ms. Allocated memory was 176.2MB in the beginning and 255.9MB in the end (delta: 79.7MB). Free memory was 108.6MB in the beginning and 144.0MB in the end (delta: -35.4MB). Peak memory consumption was 45.1MB. Max. memory is 16.1GB. * Witness Printer took 5.33ms. Allocated memory is still 255.9MB. Free memory was 144.0MB in the beginning and 143.0MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet4 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short22 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short22 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet21 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet21 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short22 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short26 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet21 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short22 could not be translated - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 201, overapproximation of someBinaryDOUBLEComparisonOperation at line 201, overapproximation of bitwiseOr at line 201. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned long int var_1_1 = 2; [L23] unsigned char var_1_2 = 1; [L24] unsigned short int var_1_3 = 47136; [L25] unsigned short int var_1_4 = 10; [L26] unsigned long int var_1_6 = 1660677957; [L27] unsigned long int var_1_7 = 128; [L28] float var_1_9 = 9.4; [L29] float var_1_12 = 16.2; [L30] float var_1_13 = 127.9; [L31] float var_1_14 = 15.5; [L32] unsigned long int var_1_15 = 100; [L33] signed char var_1_16 = 64; [L34] float var_1_17 = 9.7; [L35] signed char var_1_18 = -64; [L36] signed char var_1_19 = -4; [L37] unsigned short int var_1_20 = 64; [L38] unsigned short int var_1_21 = 1; [L39] signed char var_1_22 = 2; [L40] unsigned long int var_1_23 = 8; [L41] unsigned char var_1_24 = 0; [L42] unsigned char var_1_25 = 0; [L43] unsigned char var_1_26 = 0; [L44] unsigned char var_1_27 = 0; [L45] unsigned char var_1_28 = 0; [L46] float last_1_var_1_9 = 9.4; [L47] float last_1_var_1_14 = 15.5; [L48] unsigned long int last_1_var_1_15 = 100; [L49] unsigned short int last_1_var_1_20 = 64; [L50] unsigned long int last_1_var_1_23 = 8; [L51] unsigned char last_1_var_1_24 = 0; VAL [isInitial=0, last_1_var_1_14=31/2, last_1_var_1_15=100, last_1_var_1_20=64, last_1_var_1_23=8, last_1_var_1_24=0, last_1_var_1_9=47/5, var_1_12=81/5, var_1_13=1279/10, var_1_14=31/2, var_1_15=100, var_1_16=64, var_1_17=97/10, var_1_18=-64, var_1_19=-4, var_1_1=2, var_1_20=64, var_1_21=1, var_1_22=2, var_1_23=8, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=0, var_1_2=1, var_1_3=47136, var_1_4=10, var_1_6=1660677957, var_1_7=128, var_1_9=47/5] [L205] isInitial = 1 [L206] FCALL initially() [L207] COND TRUE 1 [L208] CALL updateLastVariables() [L193] last_1_var_1_9 = var_1_9 [L194] last_1_var_1_14 = var_1_14 [L195] last_1_var_1_15 = var_1_15 [L196] last_1_var_1_20 = var_1_20 [L197] last_1_var_1_23 = var_1_23 [L198] last_1_var_1_24 = var_1_24 VAL [isInitial=1, last_1_var_1_14=31/2, last_1_var_1_15=100, last_1_var_1_20=64, last_1_var_1_23=8, last_1_var_1_24=0, last_1_var_1_9=47/5, var_1_12=81/5, var_1_13=1279/10, var_1_14=31/2, var_1_15=100, var_1_16=64, var_1_17=97/10, var_1_18=-64, var_1_19=-4, var_1_1=2, var_1_20=64, var_1_21=1, var_1_22=2, var_1_23=8, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=0, var_1_2=1, var_1_3=47136, var_1_4=10, var_1_6=1660677957, var_1_7=128, var_1_9=47/5] [L208] RET updateLastVariables() [L209] CALL updateVariables() [L148] var_1_2 = __VERIFIER_nondet_uchar() [L149] CALL assume_abort_if_not(var_1_2 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=31/2, last_1_var_1_15=100, last_1_var_1_20=64, last_1_var_1_23=8, last_1_var_1_24=0, last_1_var_1_9=47/5, var_1_12=81/5, var_1_13=1279/10, var_1_14=31/2, var_1_15=100, var_1_16=64, var_1_17=97/10, var_1_18=-64, var_1_19=-4, var_1_1=2, var_1_20=64, var_1_21=1, var_1_22=2, var_1_23=8, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=0, var_1_3=47136, var_1_4=10, var_1_6=1660677957, var_1_7=128, var_1_9=47/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_14=31/2, last_1_var_1_15=100, last_1_var_1_20=64, last_1_var_1_23=8, last_1_var_1_24=0, last_1_var_1_9=47/5, var_1_12=81/5, var_1_13=1279/10, var_1_14=31/2, var_1_15=100, var_1_16=64, var_1_17=97/10, var_1_18=-64, var_1_19=-4, var_1_1=2, var_1_20=64, var_1_21=1, var_1_22=2, var_1_23=8, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=0, var_1_3=47136, var_1_4=10, var_1_6=1660677957, var_1_7=128, var_1_9=47/5] [L149] RET assume_abort_if_not(var_1_2 >= 0) VAL [isInitial=1, last_1_var_1_14=31/2, last_1_var_1_15=100, last_1_var_1_20=64, last_1_var_1_23=8, last_1_var_1_24=0, last_1_var_1_9=47/5, var_1_12=81/5, var_1_13=1279/10, var_1_14=31/2, var_1_15=100, var_1_16=64, var_1_17=97/10, var_1_18=-64, var_1_19=-4, var_1_1=2, var_1_20=64, var_1_21=1, var_1_22=2, var_1_23=8, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=0, var_1_3=47136, var_1_4=10, var_1_6=1660677957, var_1_7=128, var_1_9=47/5] [L150] CALL assume_abort_if_not(var_1_2 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=31/2, last_1_var_1_15=100, last_1_var_1_20=64, last_1_var_1_23=8, last_1_var_1_24=0, last_1_var_1_9=47/5, var_1_12=81/5, var_1_13=1279/10, var_1_14=31/2, var_1_15=100, var_1_16=64, var_1_17=97/10, var_1_18=-64, var_1_19=-4, var_1_1=2, var_1_20=64, var_1_21=1, var_1_22=2, var_1_23=8, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=0, var_1_2=1, var_1_3=47136, var_1_4=10, var_1_6=1660677957, var_1_7=128, var_1_9=47/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_14=31/2, last_1_var_1_15=100, last_1_var_1_20=64, last_1_var_1_23=8, last_1_var_1_24=0, last_1_var_1_9=47/5, var_1_12=81/5, var_1_13=1279/10, var_1_14=31/2, var_1_15=100, var_1_16=64, var_1_17=97/10, var_1_18=-64, var_1_19=-4, var_1_1=2, var_1_20=64, var_1_21=1, var_1_22=2, var_1_23=8, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=0, var_1_2=1, var_1_3=47136, var_1_4=10, var_1_6=1660677957, var_1_7=128, var_1_9=47/5] [L150] RET assume_abort_if_not(var_1_2 <= 1) VAL [isInitial=1, last_1_var_1_14=31/2, last_1_var_1_15=100, last_1_var_1_20=64, last_1_var_1_23=8, last_1_var_1_24=0, last_1_var_1_9=47/5, var_1_12=81/5, var_1_13=1279/10, var_1_14=31/2, var_1_15=100, var_1_16=64, var_1_17=97/10, var_1_18=-64, var_1_19=-4, var_1_1=2, var_1_20=64, var_1_21=1, var_1_22=2, var_1_23=8, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=0, var_1_2=1, var_1_3=47136, var_1_4=10, var_1_6=1660677957, var_1_7=128, var_1_9=47/5] [L151] var_1_3 = __VERIFIER_nondet_ushort() [L152] CALL assume_abort_if_not(var_1_3 >= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=31/2, last_1_var_1_15=100, last_1_var_1_20=64, last_1_var_1_23=8, last_1_var_1_24=0, last_1_var_1_9=47/5, var_1_12=81/5, var_1_13=1279/10, var_1_14=31/2, var_1_15=100, var_1_16=64, var_1_17=97/10, var_1_18=-64, var_1_19=-4, var_1_1=2, var_1_20=64, var_1_21=1, var_1_22=2, var_1_23=8, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=0, var_1_2=1, var_1_3=32767, var_1_4=10, var_1_6=1660677957, var_1_7=128, var_1_9=47/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_14=31/2, last_1_var_1_15=100, last_1_var_1_20=64, last_1_var_1_23=8, last_1_var_1_24=0, last_1_var_1_9=47/5, var_1_12=81/5, var_1_13=1279/10, var_1_14=31/2, var_1_15=100, var_1_16=64, var_1_17=97/10, var_1_18=-64, var_1_19=-4, var_1_1=2, var_1_20=64, var_1_21=1, var_1_22=2, var_1_23=8, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=0, var_1_2=1, var_1_3=32767, var_1_4=10, var_1_6=1660677957, var_1_7=128, var_1_9=47/5] [L152] RET assume_abort_if_not(var_1_3 >= 32767) VAL [isInitial=1, last_1_var_1_14=31/2, last_1_var_1_15=100, last_1_var_1_20=64, last_1_var_1_23=8, last_1_var_1_24=0, last_1_var_1_9=47/5, var_1_12=81/5, var_1_13=1279/10, var_1_14=31/2, var_1_15=100, var_1_16=64, var_1_17=97/10, var_1_18=-64, var_1_19=-4, var_1_1=2, var_1_20=64, var_1_21=1, var_1_22=2, var_1_23=8, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=0, var_1_2=1, var_1_3=32767, var_1_4=10, var_1_6=1660677957, var_1_7=128, var_1_9=47/5] [L153] CALL assume_abort_if_not(var_1_3 <= 65535) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=31/2, last_1_var_1_15=100, last_1_var_1_20=64, last_1_var_1_23=8, last_1_var_1_24=0, last_1_var_1_9=47/5, var_1_12=81/5, var_1_13=1279/10, var_1_14=31/2, var_1_15=100, var_1_16=64, var_1_17=97/10, var_1_18=-64, var_1_19=-4, var_1_1=2, var_1_20=64, var_1_21=1, var_1_22=2, var_1_23=8, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=0, var_1_2=1, var_1_3=32767, var_1_4=10, var_1_6=1660677957, var_1_7=128, var_1_9=47/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_14=31/2, last_1_var_1_15=100, last_1_var_1_20=64, last_1_var_1_23=8, last_1_var_1_24=0, last_1_var_1_9=47/5, var_1_12=81/5, var_1_13=1279/10, var_1_14=31/2, var_1_15=100, var_1_16=64, var_1_17=97/10, var_1_18=-64, var_1_19=-4, var_1_1=2, var_1_20=64, var_1_21=1, var_1_22=2, var_1_23=8, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=0, var_1_2=1, var_1_3=32767, var_1_4=10, var_1_6=1660677957, var_1_7=128, var_1_9=47/5] [L153] RET assume_abort_if_not(var_1_3 <= 65535) VAL [isInitial=1, last_1_var_1_14=31/2, last_1_var_1_15=100, last_1_var_1_20=64, last_1_var_1_23=8, last_1_var_1_24=0, last_1_var_1_9=47/5, var_1_12=81/5, var_1_13=1279/10, var_1_14=31/2, var_1_15=100, var_1_16=64, var_1_17=97/10, var_1_18=-64, var_1_19=-4, var_1_1=2, var_1_20=64, var_1_21=1, var_1_22=2, var_1_23=8, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=0, var_1_2=1, var_1_3=32767, var_1_4=10, var_1_6=1660677957, var_1_7=128, var_1_9=47/5] [L154] var_1_4 = __VERIFIER_nondet_ushort() [L155] CALL assume_abort_if_not(var_1_4 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=31/2, last_1_var_1_15=100, last_1_var_1_20=64, last_1_var_1_23=8, last_1_var_1_24=0, last_1_var_1_9=47/5, var_1_12=81/5, var_1_13=1279/10, var_1_14=31/2, var_1_15=100, var_1_16=64, var_1_17=97/10, var_1_18=-64, var_1_19=-4, var_1_1=2, var_1_20=64, var_1_21=1, var_1_22=2, var_1_23=8, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=0, var_1_2=1, var_1_3=32767, var_1_4=0, var_1_6=1660677957, var_1_7=128, var_1_9=47/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_14=31/2, last_1_var_1_15=100, last_1_var_1_20=64, last_1_var_1_23=8, last_1_var_1_24=0, last_1_var_1_9=47/5, var_1_12=81/5, var_1_13=1279/10, var_1_14=31/2, var_1_15=100, var_1_16=64, var_1_17=97/10, var_1_18=-64, var_1_19=-4, var_1_1=2, var_1_20=64, var_1_21=1, var_1_22=2, var_1_23=8, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=0, var_1_2=1, var_1_3=32767, var_1_4=0, var_1_6=1660677957, var_1_7=128, var_1_9=47/5] [L155] RET assume_abort_if_not(var_1_4 >= 0) VAL [isInitial=1, last_1_var_1_14=31/2, last_1_var_1_15=100, last_1_var_1_20=64, last_1_var_1_23=8, last_1_var_1_24=0, last_1_var_1_9=47/5, var_1_12=81/5, var_1_13=1279/10, var_1_14=31/2, var_1_15=100, var_1_16=64, var_1_17=97/10, var_1_18=-64, var_1_19=-4, var_1_1=2, var_1_20=64, var_1_21=1, var_1_22=2, var_1_23=8, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=0, var_1_2=1, var_1_3=32767, var_1_4=0, var_1_6=1660677957, var_1_7=128, var_1_9=47/5] [L156] CALL assume_abort_if_not(var_1_4 <= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=31/2, last_1_var_1_15=100, last_1_var_1_20=64, last_1_var_1_23=8, last_1_var_1_24=0, last_1_var_1_9=47/5, var_1_12=81/5, var_1_13=1279/10, var_1_14=31/2, var_1_15=100, var_1_16=64, var_1_17=97/10, var_1_18=-64, var_1_19=-4, var_1_1=2, var_1_20=64, var_1_21=1, var_1_22=2, var_1_23=8, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=0, var_1_2=1, var_1_3=32767, var_1_4=0, var_1_6=1660677957, var_1_7=128, var_1_9=47/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_14=31/2, last_1_var_1_15=100, last_1_var_1_20=64, last_1_var_1_23=8, last_1_var_1_24=0, last_1_var_1_9=47/5, var_1_12=81/5, var_1_13=1279/10, var_1_14=31/2, var_1_15=100, var_1_16=64, var_1_17=97/10, var_1_18=-64, var_1_19=-4, var_1_1=2, var_1_20=64, var_1_21=1, var_1_22=2, var_1_23=8, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=0, var_1_2=1, var_1_3=32767, var_1_4=0, var_1_6=1660677957, var_1_7=128, var_1_9=47/5] [L156] RET assume_abort_if_not(var_1_4 <= 32767) VAL [isInitial=1, last_1_var_1_14=31/2, last_1_var_1_15=100, last_1_var_1_20=64, last_1_var_1_23=8, last_1_var_1_24=0, last_1_var_1_9=47/5, var_1_12=81/5, var_1_13=1279/10, var_1_14=31/2, var_1_15=100, var_1_16=64, var_1_17=97/10, var_1_18=-64, var_1_19=-4, var_1_1=2, var_1_20=64, var_1_21=1, var_1_22=2, var_1_23=8, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=0, var_1_2=1, var_1_3=32767, var_1_4=0, var_1_6=1660677957, var_1_7=128, var_1_9=47/5] [L157] var_1_6 = __VERIFIER_nondet_ulong() [L158] CALL assume_abort_if_not(var_1_6 >= 1073741823) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=31/2, last_1_var_1_15=100, last_1_var_1_20=64, last_1_var_1_23=8, last_1_var_1_24=0, last_1_var_1_9=47/5, var_1_12=81/5, var_1_13=1279/10, var_1_14=31/2, var_1_15=100, var_1_16=64, var_1_17=97/10, var_1_18=-64, var_1_19=-4, var_1_1=2, var_1_20=64, var_1_21=1, var_1_22=2, var_1_23=8, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=0, var_1_2=1, var_1_3=32767, var_1_4=0, var_1_6=1073741823, var_1_7=128, var_1_9=47/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_14=31/2, last_1_var_1_15=100, last_1_var_1_20=64, last_1_var_1_23=8, last_1_var_1_24=0, last_1_var_1_9=47/5, var_1_12=81/5, var_1_13=1279/10, var_1_14=31/2, var_1_15=100, var_1_16=64, var_1_17=97/10, var_1_18=-64, var_1_19=-4, var_1_1=2, var_1_20=64, var_1_21=1, var_1_22=2, var_1_23=8, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=0, var_1_2=1, var_1_3=32767, var_1_4=0, var_1_6=1073741823, var_1_7=128, var_1_9=47/5] [L158] RET assume_abort_if_not(var_1_6 >= 1073741823) VAL [isInitial=1, last_1_var_1_14=31/2, last_1_var_1_15=100, last_1_var_1_20=64, last_1_var_1_23=8, last_1_var_1_24=0, last_1_var_1_9=47/5, var_1_12=81/5, var_1_13=1279/10, var_1_14=31/2, var_1_15=100, var_1_16=64, var_1_17=97/10, var_1_18=-64, var_1_19=-4, var_1_1=2, var_1_20=64, var_1_21=1, var_1_22=2, var_1_23=8, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=0, var_1_2=1, var_1_3=32767, var_1_4=0, var_1_6=1073741823, var_1_7=128, var_1_9=47/5] [L159] CALL assume_abort_if_not(var_1_6 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=31/2, last_1_var_1_15=100, last_1_var_1_20=64, last_1_var_1_23=8, last_1_var_1_24=0, last_1_var_1_9=47/5, var_1_12=81/5, var_1_13=1279/10, var_1_14=31/2, var_1_15=100, var_1_16=64, var_1_17=97/10, var_1_18=-64, var_1_19=-4, var_1_1=2, var_1_20=64, var_1_21=1, var_1_22=2, var_1_23=8, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=0, var_1_2=1, var_1_3=32767, var_1_4=0, var_1_6=1073741823, var_1_7=128, var_1_9=47/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_14=31/2, last_1_var_1_15=100, last_1_var_1_20=64, last_1_var_1_23=8, last_1_var_1_24=0, last_1_var_1_9=47/5, var_1_12=81/5, var_1_13=1279/10, var_1_14=31/2, var_1_15=100, var_1_16=64, var_1_17=97/10, var_1_18=-64, var_1_19=-4, var_1_1=2, var_1_20=64, var_1_21=1, var_1_22=2, var_1_23=8, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=0, var_1_2=1, var_1_3=32767, var_1_4=0, var_1_6=1073741823, var_1_7=128, var_1_9=47/5] [L159] RET assume_abort_if_not(var_1_6 <= 2147483647) VAL [isInitial=1, last_1_var_1_14=31/2, last_1_var_1_15=100, last_1_var_1_20=64, last_1_var_1_23=8, last_1_var_1_24=0, last_1_var_1_9=47/5, var_1_12=81/5, var_1_13=1279/10, var_1_14=31/2, var_1_15=100, var_1_16=64, var_1_17=97/10, var_1_18=-64, var_1_19=-4, var_1_1=2, var_1_20=64, var_1_21=1, var_1_22=2, var_1_23=8, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=0, var_1_2=1, var_1_3=32767, var_1_4=0, var_1_6=1073741823, var_1_7=128, var_1_9=47/5] [L160] var_1_7 = __VERIFIER_nondet_ulong() [L161] CALL assume_abort_if_not(var_1_7 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=31/2, last_1_var_1_15=100, last_1_var_1_20=64, last_1_var_1_23=8, last_1_var_1_24=0, last_1_var_1_9=47/5, var_1_12=81/5, var_1_13=1279/10, var_1_14=31/2, var_1_15=100, var_1_16=64, var_1_17=97/10, var_1_18=-64, var_1_19=-4, var_1_1=2, var_1_20=64, var_1_21=1, var_1_22=2, var_1_23=8, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=0, var_1_2=1, var_1_3=32767, var_1_4=0, var_1_6=1073741823, var_1_7=0, var_1_9=47/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_14=31/2, last_1_var_1_15=100, last_1_var_1_20=64, last_1_var_1_23=8, last_1_var_1_24=0, last_1_var_1_9=47/5, var_1_12=81/5, var_1_13=1279/10, var_1_14=31/2, var_1_15=100, var_1_16=64, var_1_17=97/10, var_1_18=-64, var_1_19=-4, var_1_1=2, var_1_20=64, var_1_21=1, var_1_22=2, var_1_23=8, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=0, var_1_2=1, var_1_3=32767, var_1_4=0, var_1_6=1073741823, var_1_7=0, var_1_9=47/5] [L161] RET assume_abort_if_not(var_1_7 >= 0) VAL [isInitial=1, last_1_var_1_14=31/2, last_1_var_1_15=100, last_1_var_1_20=64, last_1_var_1_23=8, last_1_var_1_24=0, last_1_var_1_9=47/5, var_1_12=81/5, var_1_13=1279/10, var_1_14=31/2, var_1_15=100, var_1_16=64, var_1_17=97/10, var_1_18=-64, var_1_19=-4, var_1_1=2, var_1_20=64, var_1_21=1, var_1_22=2, var_1_23=8, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=0, var_1_2=1, var_1_3=32767, var_1_4=0, var_1_6=1073741823, var_1_7=0, var_1_9=47/5] [L162] CALL assume_abort_if_not(var_1_7 <= 1073741823) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=31/2, last_1_var_1_15=100, last_1_var_1_20=64, last_1_var_1_23=8, last_1_var_1_24=0, last_1_var_1_9=47/5, var_1_12=81/5, var_1_13=1279/10, var_1_14=31/2, var_1_15=100, var_1_16=64, var_1_17=97/10, var_1_18=-64, var_1_19=-4, var_1_1=2, var_1_20=64, var_1_21=1, var_1_22=2, var_1_23=8, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=0, var_1_2=1, var_1_3=32767, var_1_4=0, var_1_6=1073741823, var_1_7=0, var_1_9=47/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_14=31/2, last_1_var_1_15=100, last_1_var_1_20=64, last_1_var_1_23=8, last_1_var_1_24=0, last_1_var_1_9=47/5, var_1_12=81/5, var_1_13=1279/10, var_1_14=31/2, var_1_15=100, var_1_16=64, var_1_17=97/10, var_1_18=-64, var_1_19=-4, var_1_1=2, var_1_20=64, var_1_21=1, var_1_22=2, var_1_23=8, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=0, var_1_2=1, var_1_3=32767, var_1_4=0, var_1_6=1073741823, var_1_7=0, var_1_9=47/5] [L162] RET assume_abort_if_not(var_1_7 <= 1073741823) VAL [isInitial=1, last_1_var_1_14=31/2, last_1_var_1_15=100, last_1_var_1_20=64, last_1_var_1_23=8, last_1_var_1_24=0, last_1_var_1_9=47/5, var_1_12=81/5, var_1_13=1279/10, var_1_14=31/2, var_1_15=100, var_1_16=64, var_1_17=97/10, var_1_18=-64, var_1_19=-4, var_1_1=2, var_1_20=64, var_1_21=1, var_1_22=2, var_1_23=8, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=0, var_1_2=1, var_1_3=32767, var_1_4=0, var_1_6=1073741823, var_1_7=0, var_1_9=47/5] [L163] var_1_12 = __VERIFIER_nondet_float() [L164] CALL assume_abort_if_not((var_1_12 >= -461168.6018427382800e+13F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 4611686.018427382800e+12F && var_1_12 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=31/2, last_1_var_1_15=100, last_1_var_1_20=64, last_1_var_1_23=8, last_1_var_1_24=0, last_1_var_1_9=47/5, var_1_12=2, var_1_13=1279/10, var_1_14=31/2, var_1_15=100, var_1_16=64, var_1_17=97/10, var_1_18=-64, var_1_19=-4, var_1_1=2, var_1_20=64, var_1_21=1, var_1_22=2, var_1_23=8, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=0, var_1_2=1, var_1_3=32767, var_1_4=0, var_1_6=1073741823, var_1_7=0, var_1_9=47/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_14=31/2, last_1_var_1_15=100, last_1_var_1_20=64, last_1_var_1_23=8, last_1_var_1_24=0, last_1_var_1_9=47/5, var_1_12=2, var_1_13=1279/10, var_1_14=31/2, var_1_15=100, var_1_16=64, var_1_17=97/10, var_1_18=-64, var_1_19=-4, var_1_1=2, var_1_20=64, var_1_21=1, var_1_22=2, var_1_23=8, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=0, var_1_2=1, var_1_3=32767, var_1_4=0, var_1_6=1073741823, var_1_7=0, var_1_9=47/5] [L164] RET assume_abort_if_not((var_1_12 >= -461168.6018427382800e+13F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 4611686.018427382800e+12F && var_1_12 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_14=31/2, last_1_var_1_15=100, last_1_var_1_20=64, last_1_var_1_23=8, last_1_var_1_24=0, last_1_var_1_9=47/5, var_1_12=2, var_1_13=1279/10, var_1_14=31/2, var_1_15=100, var_1_16=64, var_1_17=97/10, var_1_18=-64, var_1_19=-4, var_1_1=2, var_1_20=64, var_1_21=1, var_1_22=2, var_1_23=8, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=0, var_1_2=1, var_1_3=32767, var_1_4=0, var_1_6=1073741823, var_1_7=0, var_1_9=47/5] [L165] var_1_13 = __VERIFIER_nondet_float() [L166] CALL assume_abort_if_not((var_1_13 >= -461168.6018427382800e+13F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 4611686.018427382800e+12F && var_1_13 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=31/2, last_1_var_1_15=100, last_1_var_1_20=64, last_1_var_1_23=8, last_1_var_1_24=0, last_1_var_1_9=47/5, var_1_12=2, var_1_13=3, var_1_14=31/2, var_1_15=100, var_1_16=64, var_1_17=97/10, var_1_18=-64, var_1_19=-4, var_1_1=2, var_1_20=64, var_1_21=1, var_1_22=2, var_1_23=8, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=0, var_1_2=1, var_1_3=32767, var_1_4=0, var_1_6=1073741823, var_1_7=0, var_1_9=47/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_14=31/2, last_1_var_1_15=100, last_1_var_1_20=64, last_1_var_1_23=8, last_1_var_1_24=0, last_1_var_1_9=47/5, var_1_12=2, var_1_13=3, var_1_14=31/2, var_1_15=100, var_1_16=64, var_1_17=97/10, var_1_18=-64, var_1_19=-4, var_1_1=2, var_1_20=64, var_1_21=1, var_1_22=2, var_1_23=8, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=0, var_1_2=1, var_1_3=32767, var_1_4=0, var_1_6=1073741823, var_1_7=0, var_1_9=47/5] [L166] RET assume_abort_if_not((var_1_13 >= -461168.6018427382800e+13F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 4611686.018427382800e+12F && var_1_13 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_14=31/2, last_1_var_1_15=100, last_1_var_1_20=64, last_1_var_1_23=8, last_1_var_1_24=0, last_1_var_1_9=47/5, var_1_12=2, var_1_13=3, var_1_14=31/2, var_1_15=100, var_1_16=64, var_1_17=97/10, var_1_18=-64, var_1_19=-4, var_1_1=2, var_1_20=64, var_1_21=1, var_1_22=2, var_1_23=8, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=0, var_1_2=1, var_1_3=32767, var_1_4=0, var_1_6=1073741823, var_1_7=0, var_1_9=47/5] [L167] var_1_17 = __VERIFIER_nondet_float() [L168] CALL assume_abort_if_not((var_1_17 >= -922337.2036854776000e+13F && var_1_17 <= -1.0e-20F) || (var_1_17 <= 9223372.036854776000e+12F && var_1_17 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=31/2, last_1_var_1_15=100, last_1_var_1_20=64, last_1_var_1_23=8, last_1_var_1_24=0, last_1_var_1_9=47/5, var_1_12=2, var_1_13=3, var_1_14=31/2, var_1_15=100, var_1_16=64, var_1_17=4, var_1_18=-64, var_1_19=-4, var_1_1=2, var_1_20=64, var_1_21=1, var_1_22=2, var_1_23=8, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=0, var_1_2=1, var_1_3=32767, var_1_4=0, var_1_6=1073741823, var_1_7=0, var_1_9=47/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_14=31/2, last_1_var_1_15=100, last_1_var_1_20=64, last_1_var_1_23=8, last_1_var_1_24=0, last_1_var_1_9=47/5, var_1_12=2, var_1_13=3, var_1_14=31/2, var_1_15=100, var_1_16=64, var_1_17=4, var_1_18=-64, var_1_19=-4, var_1_1=2, var_1_20=64, var_1_21=1, var_1_22=2, var_1_23=8, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=0, var_1_2=1, var_1_3=32767, var_1_4=0, var_1_6=1073741823, var_1_7=0, var_1_9=47/5] [L168] RET assume_abort_if_not((var_1_17 >= -922337.2036854776000e+13F && var_1_17 <= -1.0e-20F) || (var_1_17 <= 9223372.036854776000e+12F && var_1_17 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_14=31/2, last_1_var_1_15=100, last_1_var_1_20=64, last_1_var_1_23=8, last_1_var_1_24=0, last_1_var_1_9=47/5, var_1_12=2, var_1_13=3, var_1_14=31/2, var_1_15=100, var_1_16=64, var_1_17=4, var_1_18=-64, var_1_19=-4, var_1_1=2, var_1_20=64, var_1_21=1, var_1_22=2, var_1_23=8, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=0, var_1_2=1, var_1_3=32767, var_1_4=0, var_1_6=1073741823, var_1_7=0, var_1_9=47/5] [L169] CALL assume_abort_if_not(var_1_17 != 0.0F) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=31/2, last_1_var_1_15=100, last_1_var_1_20=64, last_1_var_1_23=8, last_1_var_1_24=0, last_1_var_1_9=47/5, var_1_12=2, var_1_13=3, var_1_14=31/2, var_1_15=100, var_1_16=64, var_1_17=4, var_1_18=-64, var_1_19=-4, var_1_1=2, var_1_20=64, var_1_21=1, var_1_22=2, var_1_23=8, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=0, var_1_2=1, var_1_3=32767, var_1_4=0, var_1_6=1073741823, var_1_7=0, var_1_9=47/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_14=31/2, last_1_var_1_15=100, last_1_var_1_20=64, last_1_var_1_23=8, last_1_var_1_24=0, last_1_var_1_9=47/5, var_1_12=2, var_1_13=3, var_1_14=31/2, var_1_15=100, var_1_16=64, var_1_17=4, var_1_18=-64, var_1_19=-4, var_1_1=2, var_1_20=64, var_1_21=1, var_1_22=2, var_1_23=8, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=0, var_1_2=1, var_1_3=32767, var_1_4=0, var_1_6=1073741823, var_1_7=0, var_1_9=47/5] [L169] RET assume_abort_if_not(var_1_17 != 0.0F) VAL [isInitial=1, last_1_var_1_14=31/2, last_1_var_1_15=100, last_1_var_1_20=64, last_1_var_1_23=8, last_1_var_1_24=0, last_1_var_1_9=47/5, var_1_12=2, var_1_13=3, var_1_14=31/2, var_1_15=100, var_1_16=64, var_1_17=4, var_1_18=-64, var_1_19=-4, var_1_1=2, var_1_20=64, var_1_21=1, var_1_22=2, var_1_23=8, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=0, var_1_2=1, var_1_3=32767, var_1_4=0, var_1_6=1073741823, var_1_7=0, var_1_9=47/5] [L170] var_1_18 = __VERIFIER_nondet_char() [L171] CALL assume_abort_if_not(var_1_18 >= -127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=31/2, last_1_var_1_15=100, last_1_var_1_20=64, last_1_var_1_23=8, last_1_var_1_24=0, last_1_var_1_9=47/5, var_1_12=2, var_1_13=3, var_1_14=31/2, var_1_15=100, var_1_16=64, var_1_17=4, var_1_18=1, var_1_19=-4, var_1_1=2, var_1_20=64, var_1_21=1, var_1_22=2, var_1_23=8, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=0, var_1_2=1, var_1_3=32767, var_1_4=0, var_1_6=1073741823, var_1_7=0, var_1_9=47/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_14=31/2, last_1_var_1_15=100, last_1_var_1_20=64, last_1_var_1_23=8, last_1_var_1_24=0, last_1_var_1_9=47/5, var_1_12=2, var_1_13=3, var_1_14=31/2, var_1_15=100, var_1_16=64, var_1_17=4, var_1_18=1, var_1_19=-4, var_1_1=2, var_1_20=64, var_1_21=1, var_1_22=2, var_1_23=8, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=0, var_1_2=1, var_1_3=32767, var_1_4=0, var_1_6=1073741823, var_1_7=0, var_1_9=47/5] [L171] RET assume_abort_if_not(var_1_18 >= -127) VAL [isInitial=1, last_1_var_1_14=31/2, last_1_var_1_15=100, last_1_var_1_20=64, last_1_var_1_23=8, last_1_var_1_24=0, last_1_var_1_9=47/5, var_1_12=2, var_1_13=3, var_1_14=31/2, var_1_15=100, var_1_16=64, var_1_17=4, var_1_18=1, var_1_19=-4, var_1_1=2, var_1_20=64, var_1_21=1, var_1_22=2, var_1_23=8, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=0, var_1_2=1, var_1_3=32767, var_1_4=0, var_1_6=1073741823, var_1_7=0, var_1_9=47/5] [L172] CALL assume_abort_if_not(var_1_18 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=31/2, last_1_var_1_15=100, last_1_var_1_20=64, last_1_var_1_23=8, last_1_var_1_24=0, last_1_var_1_9=47/5, var_1_12=2, var_1_13=3, var_1_14=31/2, var_1_15=100, var_1_16=64, var_1_17=4, var_1_18=1, var_1_19=-4, var_1_1=2, var_1_20=64, var_1_21=1, var_1_22=2, var_1_23=8, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=0, var_1_2=1, var_1_3=32767, var_1_4=0, var_1_6=1073741823, var_1_7=0, var_1_9=47/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_14=31/2, last_1_var_1_15=100, last_1_var_1_20=64, last_1_var_1_23=8, last_1_var_1_24=0, last_1_var_1_9=47/5, var_1_12=2, var_1_13=3, var_1_14=31/2, var_1_15=100, var_1_16=64, var_1_17=4, var_1_18=1, var_1_19=-4, var_1_1=2, var_1_20=64, var_1_21=1, var_1_22=2, var_1_23=8, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=0, var_1_2=1, var_1_3=32767, var_1_4=0, var_1_6=1073741823, var_1_7=0, var_1_9=47/5] [L172] RET assume_abort_if_not(var_1_18 <= 126) VAL [isInitial=1, last_1_var_1_14=31/2, last_1_var_1_15=100, last_1_var_1_20=64, last_1_var_1_23=8, last_1_var_1_24=0, last_1_var_1_9=47/5, var_1_12=2, var_1_13=3, var_1_14=31/2, var_1_15=100, var_1_16=64, var_1_17=4, var_1_18=1, var_1_19=-4, var_1_1=2, var_1_20=64, var_1_21=1, var_1_22=2, var_1_23=8, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=0, var_1_2=1, var_1_3=32767, var_1_4=0, var_1_6=1073741823, var_1_7=0, var_1_9=47/5] [L173] var_1_19 = __VERIFIER_nondet_char() [L174] CALL assume_abort_if_not(var_1_19 >= -127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=31/2, last_1_var_1_15=100, last_1_var_1_20=64, last_1_var_1_23=8, last_1_var_1_24=0, last_1_var_1_9=47/5, var_1_12=2, var_1_13=3, var_1_14=31/2, var_1_15=100, var_1_16=64, var_1_17=4, var_1_18=1, var_1_19=0, var_1_1=2, var_1_20=64, var_1_21=1, var_1_22=2, var_1_23=8, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=0, var_1_2=1, var_1_3=32767, var_1_4=0, var_1_6=1073741823, var_1_7=0, var_1_9=47/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_14=31/2, last_1_var_1_15=100, last_1_var_1_20=64, last_1_var_1_23=8, last_1_var_1_24=0, last_1_var_1_9=47/5, var_1_12=2, var_1_13=3, var_1_14=31/2, var_1_15=100, var_1_16=64, var_1_17=4, var_1_18=1, var_1_19=0, var_1_1=2, var_1_20=64, var_1_21=1, var_1_22=2, var_1_23=8, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=0, var_1_2=1, var_1_3=32767, var_1_4=0, var_1_6=1073741823, var_1_7=0, var_1_9=47/5] [L174] RET assume_abort_if_not(var_1_19 >= -127) VAL [isInitial=1, last_1_var_1_14=31/2, last_1_var_1_15=100, last_1_var_1_20=64, last_1_var_1_23=8, last_1_var_1_24=0, last_1_var_1_9=47/5, var_1_12=2, var_1_13=3, var_1_14=31/2, var_1_15=100, var_1_16=64, var_1_17=4, var_1_18=1, var_1_19=0, var_1_1=2, var_1_20=64, var_1_21=1, var_1_22=2, var_1_23=8, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=0, var_1_2=1, var_1_3=32767, var_1_4=0, var_1_6=1073741823, var_1_7=0, var_1_9=47/5] [L175] CALL assume_abort_if_not(var_1_19 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=31/2, last_1_var_1_15=100, last_1_var_1_20=64, last_1_var_1_23=8, last_1_var_1_24=0, last_1_var_1_9=47/5, var_1_12=2, var_1_13=3, var_1_14=31/2, var_1_15=100, var_1_16=64, var_1_17=4, var_1_18=1, var_1_19=0, var_1_1=2, var_1_20=64, var_1_21=1, var_1_22=2, var_1_23=8, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=0, var_1_2=1, var_1_3=32767, var_1_4=0, var_1_6=1073741823, var_1_7=0, var_1_9=47/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_14=31/2, last_1_var_1_15=100, last_1_var_1_20=64, last_1_var_1_23=8, last_1_var_1_24=0, last_1_var_1_9=47/5, var_1_12=2, var_1_13=3, var_1_14=31/2, var_1_15=100, var_1_16=64, var_1_17=4, var_1_18=1, var_1_19=0, var_1_1=2, var_1_20=64, var_1_21=1, var_1_22=2, var_1_23=8, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=0, var_1_2=1, var_1_3=32767, var_1_4=0, var_1_6=1073741823, var_1_7=0, var_1_9=47/5] [L175] RET assume_abort_if_not(var_1_19 <= 126) VAL [isInitial=1, last_1_var_1_14=31/2, last_1_var_1_15=100, last_1_var_1_20=64, last_1_var_1_23=8, last_1_var_1_24=0, last_1_var_1_9=47/5, var_1_12=2, var_1_13=3, var_1_14=31/2, var_1_15=100, var_1_16=64, var_1_17=4, var_1_18=1, var_1_19=0, var_1_1=2, var_1_20=64, var_1_21=1, var_1_22=2, var_1_23=8, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=0, var_1_2=1, var_1_3=32767, var_1_4=0, var_1_6=1073741823, var_1_7=0, var_1_9=47/5] [L176] var_1_21 = __VERIFIER_nondet_ushort() [L177] CALL assume_abort_if_not(var_1_21 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=31/2, last_1_var_1_15=100, last_1_var_1_20=64, last_1_var_1_23=8, last_1_var_1_24=0, last_1_var_1_9=47/5, var_1_12=2, var_1_13=3, var_1_14=31/2, var_1_15=100, var_1_16=64, var_1_17=4, var_1_18=1, var_1_19=0, var_1_1=2, var_1_20=64, var_1_21=32767, var_1_22=2, var_1_23=8, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=0, var_1_2=1, var_1_3=32767, var_1_4=0, var_1_6=1073741823, var_1_7=0, var_1_9=47/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_14=31/2, last_1_var_1_15=100, last_1_var_1_20=64, last_1_var_1_23=8, last_1_var_1_24=0, last_1_var_1_9=47/5, var_1_12=2, var_1_13=3, var_1_14=31/2, var_1_15=100, var_1_16=64, var_1_17=4, var_1_18=1, var_1_19=0, var_1_1=2, var_1_20=64, var_1_21=32767, var_1_22=2, var_1_23=8, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=0, var_1_2=1, var_1_3=32767, var_1_4=0, var_1_6=1073741823, var_1_7=0, var_1_9=47/5] [L177] RET assume_abort_if_not(var_1_21 >= 0) VAL [isInitial=1, last_1_var_1_14=31/2, last_1_var_1_15=100, last_1_var_1_20=64, last_1_var_1_23=8, last_1_var_1_24=0, last_1_var_1_9=47/5, var_1_12=2, var_1_13=3, var_1_14=31/2, var_1_15=100, var_1_16=64, var_1_17=4, var_1_18=1, var_1_19=0, var_1_1=2, var_1_20=64, var_1_21=32767, var_1_22=2, var_1_23=8, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=0, var_1_2=1, var_1_3=32767, var_1_4=0, var_1_6=1073741823, var_1_7=0, var_1_9=47/5] [L178] CALL assume_abort_if_not(var_1_21 <= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=31/2, last_1_var_1_15=100, last_1_var_1_20=64, last_1_var_1_23=8, last_1_var_1_24=0, last_1_var_1_9=47/5, var_1_12=2, var_1_13=3, var_1_14=31/2, var_1_15=100, var_1_16=64, var_1_17=4, var_1_18=1, var_1_19=0, var_1_1=2, var_1_20=64, var_1_21=32767, var_1_22=2, var_1_23=8, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=0, var_1_2=1, var_1_3=32767, var_1_4=0, var_1_6=1073741823, var_1_7=0, var_1_9=47/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_14=31/2, last_1_var_1_15=100, last_1_var_1_20=64, last_1_var_1_23=8, last_1_var_1_24=0, last_1_var_1_9=47/5, var_1_12=2, var_1_13=3, var_1_14=31/2, var_1_15=100, var_1_16=64, var_1_17=4, var_1_18=1, var_1_19=0, var_1_1=2, var_1_20=64, var_1_21=32767, var_1_22=2, var_1_23=8, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=0, var_1_2=1, var_1_3=32767, var_1_4=0, var_1_6=1073741823, var_1_7=0, var_1_9=47/5] [L178] RET assume_abort_if_not(var_1_21 <= 32767) VAL [isInitial=1, last_1_var_1_14=31/2, last_1_var_1_15=100, last_1_var_1_20=64, last_1_var_1_23=8, last_1_var_1_24=0, last_1_var_1_9=47/5, var_1_12=2, var_1_13=3, var_1_14=31/2, var_1_15=100, var_1_16=64, var_1_17=4, var_1_18=1, var_1_19=0, var_1_1=2, var_1_20=64, var_1_21=32767, var_1_22=2, var_1_23=8, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=0, var_1_2=1, var_1_3=32767, var_1_4=0, var_1_6=1073741823, var_1_7=0, var_1_9=47/5] [L179] var_1_25 = __VERIFIER_nondet_uchar() [L180] CALL assume_abort_if_not(var_1_25 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=31/2, last_1_var_1_15=100, last_1_var_1_20=64, last_1_var_1_23=8, last_1_var_1_24=0, last_1_var_1_9=47/5, var_1_12=2, var_1_13=3, var_1_14=31/2, var_1_15=100, var_1_16=64, var_1_17=4, var_1_18=1, var_1_19=0, var_1_1=2, var_1_20=64, var_1_21=32767, var_1_22=2, var_1_23=8, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=0, var_1_2=1, var_1_3=32767, var_1_4=0, var_1_6=1073741823, var_1_7=0, var_1_9=47/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_14=31/2, last_1_var_1_15=100, last_1_var_1_20=64, last_1_var_1_23=8, last_1_var_1_24=0, last_1_var_1_9=47/5, var_1_12=2, var_1_13=3, var_1_14=31/2, var_1_15=100, var_1_16=64, var_1_17=4, var_1_18=1, var_1_19=0, var_1_1=2, var_1_20=64, var_1_21=32767, var_1_22=2, var_1_23=8, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=0, var_1_2=1, var_1_3=32767, var_1_4=0, var_1_6=1073741823, var_1_7=0, var_1_9=47/5] [L180] RET assume_abort_if_not(var_1_25 >= 0) VAL [isInitial=1, last_1_var_1_14=31/2, last_1_var_1_15=100, last_1_var_1_20=64, last_1_var_1_23=8, last_1_var_1_24=0, last_1_var_1_9=47/5, var_1_12=2, var_1_13=3, var_1_14=31/2, var_1_15=100, var_1_16=64, var_1_17=4, var_1_18=1, var_1_19=0, var_1_1=2, var_1_20=64, var_1_21=32767, var_1_22=2, var_1_23=8, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=0, var_1_2=1, var_1_3=32767, var_1_4=0, var_1_6=1073741823, var_1_7=0, var_1_9=47/5] [L181] CALL assume_abort_if_not(var_1_25 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=31/2, last_1_var_1_15=100, last_1_var_1_20=64, last_1_var_1_23=8, last_1_var_1_24=0, last_1_var_1_9=47/5, var_1_12=2, var_1_13=3, var_1_14=31/2, var_1_15=100, var_1_16=64, var_1_17=4, var_1_18=1, var_1_19=0, var_1_1=2, var_1_20=64, var_1_21=32767, var_1_22=2, var_1_23=8, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=0, var_1_2=1, var_1_3=32767, var_1_4=0, var_1_6=1073741823, var_1_7=0, var_1_9=47/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_14=31/2, last_1_var_1_15=100, last_1_var_1_20=64, last_1_var_1_23=8, last_1_var_1_24=0, last_1_var_1_9=47/5, var_1_12=2, var_1_13=3, var_1_14=31/2, var_1_15=100, var_1_16=64, var_1_17=4, var_1_18=1, var_1_19=0, var_1_1=2, var_1_20=64, var_1_21=32767, var_1_22=2, var_1_23=8, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=0, var_1_2=1, var_1_3=32767, var_1_4=0, var_1_6=1073741823, var_1_7=0, var_1_9=47/5] [L181] RET assume_abort_if_not(var_1_25 <= 0) VAL [isInitial=1, last_1_var_1_14=31/2, last_1_var_1_15=100, last_1_var_1_20=64, last_1_var_1_23=8, last_1_var_1_24=0, last_1_var_1_9=47/5, var_1_12=2, var_1_13=3, var_1_14=31/2, var_1_15=100, var_1_16=64, var_1_17=4, var_1_18=1, var_1_19=0, var_1_1=2, var_1_20=64, var_1_21=32767, var_1_22=2, var_1_23=8, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=0, var_1_2=1, var_1_3=32767, var_1_4=0, var_1_6=1073741823, var_1_7=0, var_1_9=47/5] [L182] var_1_26 = __VERIFIER_nondet_uchar() [L183] CALL assume_abort_if_not(var_1_26 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=31/2, last_1_var_1_15=100, last_1_var_1_20=64, last_1_var_1_23=8, last_1_var_1_24=0, last_1_var_1_9=47/5, var_1_12=2, var_1_13=3, var_1_14=31/2, var_1_15=100, var_1_16=64, var_1_17=4, var_1_18=1, var_1_19=0, var_1_1=2, var_1_20=64, var_1_21=32767, var_1_22=2, var_1_23=8, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=0, var_1_2=1, var_1_3=32767, var_1_4=0, var_1_6=1073741823, var_1_7=0, var_1_9=47/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_14=31/2, last_1_var_1_15=100, last_1_var_1_20=64, last_1_var_1_23=8, last_1_var_1_24=0, last_1_var_1_9=47/5, var_1_12=2, var_1_13=3, var_1_14=31/2, var_1_15=100, var_1_16=64, var_1_17=4, var_1_18=1, var_1_19=0, var_1_1=2, var_1_20=64, var_1_21=32767, var_1_22=2, var_1_23=8, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=0, var_1_2=1, var_1_3=32767, var_1_4=0, var_1_6=1073741823, var_1_7=0, var_1_9=47/5] [L183] RET assume_abort_if_not(var_1_26 >= 0) VAL [isInitial=1, last_1_var_1_14=31/2, last_1_var_1_15=100, last_1_var_1_20=64, last_1_var_1_23=8, last_1_var_1_24=0, last_1_var_1_9=47/5, var_1_12=2, var_1_13=3, var_1_14=31/2, var_1_15=100, var_1_16=64, var_1_17=4, var_1_18=1, var_1_19=0, var_1_1=2, var_1_20=64, var_1_21=32767, var_1_22=2, var_1_23=8, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=0, var_1_2=1, var_1_3=32767, var_1_4=0, var_1_6=1073741823, var_1_7=0, var_1_9=47/5] [L184] CALL assume_abort_if_not(var_1_26 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=31/2, last_1_var_1_15=100, last_1_var_1_20=64, last_1_var_1_23=8, last_1_var_1_24=0, last_1_var_1_9=47/5, var_1_12=2, var_1_13=3, var_1_14=31/2, var_1_15=100, var_1_16=64, var_1_17=4, var_1_18=1, var_1_19=0, var_1_1=2, var_1_20=64, var_1_21=32767, var_1_22=2, var_1_23=8, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=0, var_1_2=1, var_1_3=32767, var_1_4=0, var_1_6=1073741823, var_1_7=0, var_1_9=47/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_14=31/2, last_1_var_1_15=100, last_1_var_1_20=64, last_1_var_1_23=8, last_1_var_1_24=0, last_1_var_1_9=47/5, var_1_12=2, var_1_13=3, var_1_14=31/2, var_1_15=100, var_1_16=64, var_1_17=4, var_1_18=1, var_1_19=0, var_1_1=2, var_1_20=64, var_1_21=32767, var_1_22=2, var_1_23=8, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=0, var_1_2=1, var_1_3=32767, var_1_4=0, var_1_6=1073741823, var_1_7=0, var_1_9=47/5] [L184] RET assume_abort_if_not(var_1_26 <= 0) VAL [isInitial=1, last_1_var_1_14=31/2, last_1_var_1_15=100, last_1_var_1_20=64, last_1_var_1_23=8, last_1_var_1_24=0, last_1_var_1_9=47/5, var_1_12=2, var_1_13=3, var_1_14=31/2, var_1_15=100, var_1_16=64, var_1_17=4, var_1_18=1, var_1_19=0, var_1_1=2, var_1_20=64, var_1_21=32767, var_1_22=2, var_1_23=8, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=0, var_1_2=1, var_1_3=32767, var_1_4=0, var_1_6=1073741823, var_1_7=0, var_1_9=47/5] [L185] var_1_27 = __VERIFIER_nondet_uchar() [L186] CALL assume_abort_if_not(var_1_27 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=31/2, last_1_var_1_15=100, last_1_var_1_20=64, last_1_var_1_23=8, last_1_var_1_24=0, last_1_var_1_9=47/5, var_1_12=2, var_1_13=3, var_1_14=31/2, var_1_15=100, var_1_16=64, var_1_17=4, var_1_18=1, var_1_19=0, var_1_1=2, var_1_20=64, var_1_21=32767, var_1_22=2, var_1_23=8, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=0, var_1_2=1, var_1_3=32767, var_1_4=0, var_1_6=1073741823, var_1_7=0, var_1_9=47/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_14=31/2, last_1_var_1_15=100, last_1_var_1_20=64, last_1_var_1_23=8, last_1_var_1_24=0, last_1_var_1_9=47/5, var_1_12=2, var_1_13=3, var_1_14=31/2, var_1_15=100, var_1_16=64, var_1_17=4, var_1_18=1, var_1_19=0, var_1_1=2, var_1_20=64, var_1_21=32767, var_1_22=2, var_1_23=8, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=0, var_1_2=1, var_1_3=32767, var_1_4=0, var_1_6=1073741823, var_1_7=0, var_1_9=47/5] [L186] RET assume_abort_if_not(var_1_27 >= 0) VAL [isInitial=1, last_1_var_1_14=31/2, last_1_var_1_15=100, last_1_var_1_20=64, last_1_var_1_23=8, last_1_var_1_24=0, last_1_var_1_9=47/5, var_1_12=2, var_1_13=3, var_1_14=31/2, var_1_15=100, var_1_16=64, var_1_17=4, var_1_18=1, var_1_19=0, var_1_1=2, var_1_20=64, var_1_21=32767, var_1_22=2, var_1_23=8, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=0, var_1_2=1, var_1_3=32767, var_1_4=0, var_1_6=1073741823, var_1_7=0, var_1_9=47/5] [L187] CALL assume_abort_if_not(var_1_27 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=31/2, last_1_var_1_15=100, last_1_var_1_20=64, last_1_var_1_23=8, last_1_var_1_24=0, last_1_var_1_9=47/5, var_1_12=2, var_1_13=3, var_1_14=31/2, var_1_15=100, var_1_16=64, var_1_17=4, var_1_18=1, var_1_19=0, var_1_1=2, var_1_20=64, var_1_21=32767, var_1_22=2, var_1_23=8, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=0, var_1_2=1, var_1_3=32767, var_1_4=0, var_1_6=1073741823, var_1_7=0, var_1_9=47/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_14=31/2, last_1_var_1_15=100, last_1_var_1_20=64, last_1_var_1_23=8, last_1_var_1_24=0, last_1_var_1_9=47/5, var_1_12=2, var_1_13=3, var_1_14=31/2, var_1_15=100, var_1_16=64, var_1_17=4, var_1_18=1, var_1_19=0, var_1_1=2, var_1_20=64, var_1_21=32767, var_1_22=2, var_1_23=8, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=0, var_1_2=1, var_1_3=32767, var_1_4=0, var_1_6=1073741823, var_1_7=0, var_1_9=47/5] [L187] RET assume_abort_if_not(var_1_27 <= 0) VAL [isInitial=1, last_1_var_1_14=31/2, last_1_var_1_15=100, last_1_var_1_20=64, last_1_var_1_23=8, last_1_var_1_24=0, last_1_var_1_9=47/5, var_1_12=2, var_1_13=3, var_1_14=31/2, var_1_15=100, var_1_16=64, var_1_17=4, var_1_18=1, var_1_19=0, var_1_1=2, var_1_20=64, var_1_21=32767, var_1_22=2, var_1_23=8, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=0, var_1_2=1, var_1_3=32767, var_1_4=0, var_1_6=1073741823, var_1_7=0, var_1_9=47/5] [L188] var_1_28 = __VERIFIER_nondet_uchar() [L189] CALL assume_abort_if_not(var_1_28 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=31/2, last_1_var_1_15=100, last_1_var_1_20=64, last_1_var_1_23=8, last_1_var_1_24=0, last_1_var_1_9=47/5, var_1_12=2, var_1_13=3, var_1_14=31/2, var_1_15=100, var_1_16=64, var_1_17=4, var_1_18=1, var_1_19=0, var_1_1=2, var_1_20=64, var_1_21=32767, var_1_22=2, var_1_23=8, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=1, var_1_2=1, var_1_3=32767, var_1_4=0, var_1_6=1073741823, var_1_7=0, var_1_9=47/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_14=31/2, last_1_var_1_15=100, last_1_var_1_20=64, last_1_var_1_23=8, last_1_var_1_24=0, last_1_var_1_9=47/5, var_1_12=2, var_1_13=3, var_1_14=31/2, var_1_15=100, var_1_16=64, var_1_17=4, var_1_18=1, var_1_19=0, var_1_1=2, var_1_20=64, var_1_21=32767, var_1_22=2, var_1_23=8, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=1, var_1_2=1, var_1_3=32767, var_1_4=0, var_1_6=1073741823, var_1_7=0, var_1_9=47/5] [L189] RET assume_abort_if_not(var_1_28 >= 1) VAL [isInitial=1, last_1_var_1_14=31/2, last_1_var_1_15=100, last_1_var_1_20=64, last_1_var_1_23=8, last_1_var_1_24=0, last_1_var_1_9=47/5, var_1_12=2, var_1_13=3, var_1_14=31/2, var_1_15=100, var_1_16=64, var_1_17=4, var_1_18=1, var_1_19=0, var_1_1=2, var_1_20=64, var_1_21=32767, var_1_22=2, var_1_23=8, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=1, var_1_2=1, var_1_3=32767, var_1_4=0, var_1_6=1073741823, var_1_7=0, var_1_9=47/5] [L190] CALL assume_abort_if_not(var_1_28 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=31/2, last_1_var_1_15=100, last_1_var_1_20=64, last_1_var_1_23=8, last_1_var_1_24=0, last_1_var_1_9=47/5, var_1_12=2, var_1_13=3, var_1_14=31/2, var_1_15=100, var_1_16=64, var_1_17=4, var_1_18=1, var_1_19=0, var_1_1=2, var_1_20=64, var_1_21=32767, var_1_22=2, var_1_23=8, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=1, var_1_2=1, var_1_3=32767, var_1_4=0, var_1_6=1073741823, var_1_7=0, var_1_9=47/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_14=31/2, last_1_var_1_15=100, last_1_var_1_20=64, last_1_var_1_23=8, last_1_var_1_24=0, last_1_var_1_9=47/5, var_1_12=2, var_1_13=3, var_1_14=31/2, var_1_15=100, var_1_16=64, var_1_17=4, var_1_18=1, var_1_19=0, var_1_1=2, var_1_20=64, var_1_21=32767, var_1_22=2, var_1_23=8, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=1, var_1_2=1, var_1_3=32767, var_1_4=0, var_1_6=1073741823, var_1_7=0, var_1_9=47/5] [L190] RET assume_abort_if_not(var_1_28 <= 1) VAL [isInitial=1, last_1_var_1_14=31/2, last_1_var_1_15=100, last_1_var_1_20=64, last_1_var_1_23=8, last_1_var_1_24=0, last_1_var_1_9=47/5, var_1_12=2, var_1_13=3, var_1_14=31/2, var_1_15=100, var_1_16=64, var_1_17=4, var_1_18=1, var_1_19=0, var_1_1=2, var_1_20=64, var_1_21=32767, var_1_22=2, var_1_23=8, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=1, var_1_2=1, var_1_3=32767, var_1_4=0, var_1_6=1073741823, var_1_7=0, var_1_9=47/5] [L209] RET updateVariables() [L210] CALL step() [L55] unsigned long int stepLocal_0 = var_1_6 * last_1_var_1_23; VAL [isInitial=1, last_1_var_1_14=31/2, last_1_var_1_15=100, last_1_var_1_20=64, last_1_var_1_23=8, last_1_var_1_24=0, last_1_var_1_9=47/5, stepLocal_0=4294967288, var_1_12=2, var_1_13=3, var_1_14=31/2, var_1_15=100, var_1_16=64, var_1_17=4, var_1_18=1, var_1_19=0, var_1_1=2, var_1_20=64, var_1_21=32767, var_1_22=2, var_1_23=8, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=1, var_1_2=1, var_1_3=32767, var_1_4=0, var_1_6=1073741823, var_1_7=0, var_1_9=47/5] [L56] COND FALSE !(\read(last_1_var_1_24)) [L63] var_1_20 = var_1_21 VAL [isInitial=1, last_1_var_1_14=31/2, last_1_var_1_15=100, last_1_var_1_20=64, last_1_var_1_23=8, last_1_var_1_24=0, last_1_var_1_9=47/5, stepLocal_0=4294967288, var_1_12=2, var_1_13=3, var_1_14=31/2, var_1_15=100, var_1_16=64, var_1_17=4, var_1_18=1, var_1_19=0, var_1_1=2, var_1_20=32767, var_1_21=32767, var_1_22=2, var_1_23=8, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=1, var_1_2=1, var_1_3=32767, var_1_4=0, var_1_6=1073741823, var_1_7=0, var_1_9=47/5] [L65] COND TRUE last_1_var_1_14 >= (var_1_13 * last_1_var_1_9) VAL [isInitial=1, last_1_var_1_14=31/2, last_1_var_1_15=100, last_1_var_1_20=64, last_1_var_1_23=8, last_1_var_1_24=0, last_1_var_1_9=47/5, stepLocal_0=4294967288, var_1_12=2, var_1_13=3, var_1_14=31/2, var_1_15=100, var_1_16=64, var_1_17=4, var_1_18=1, var_1_19=0, var_1_1=2, var_1_20=32767, var_1_21=32767, var_1_22=2, var_1_23=8, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=1, var_1_2=1, var_1_3=32767, var_1_4=0, var_1_6=1073741823, var_1_7=0, var_1_9=47/5] [L66] COND TRUE \read(var_1_2) [L67] var_1_24 = var_1_25 VAL [isInitial=1, last_1_var_1_14=31/2, last_1_var_1_15=100, last_1_var_1_20=64, last_1_var_1_23=8, last_1_var_1_24=0, last_1_var_1_9=47/5, stepLocal_0=4294967288, var_1_12=2, var_1_13=3, var_1_14=31/2, var_1_15=100, var_1_16=64, var_1_17=4, var_1_18=1, var_1_19=0, var_1_1=2, var_1_20=32767, var_1_21=32767, var_1_22=2, var_1_23=8, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=1, var_1_2=1, var_1_3=32767, var_1_4=0, var_1_6=1073741823, var_1_7=0, var_1_9=47/5] [L80] COND FALSE !(var_1_24 && (var_1_20 < (3349670375u - var_1_4))) [L87] var_1_15 = var_1_20 VAL [isInitial=1, last_1_var_1_14=31/2, last_1_var_1_15=100, last_1_var_1_20=64, last_1_var_1_23=8, last_1_var_1_24=0, last_1_var_1_9=47/5, stepLocal_0=4294967288, var_1_12=2, var_1_13=3, var_1_14=31/2, var_1_15=32767, var_1_16=64, var_1_17=4, var_1_18=1, var_1_19=0, var_1_1=2, var_1_20=32767, var_1_21=32767, var_1_22=2, var_1_23=8, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=1, var_1_2=1, var_1_3=32767, var_1_4=0, var_1_6=1073741823, var_1_7=0, var_1_9=47/5] [L89] EXPR var_1_6 | ((((64u) < 0 ) ? -(64u) : (64u))) VAL [isInitial=1, last_1_var_1_14=31/2, last_1_var_1_15=100, last_1_var_1_20=64, last_1_var_1_23=8, last_1_var_1_24=0, last_1_var_1_9=47/5, stepLocal_0=4294967288, var_1_12=2, var_1_13=3, var_1_14=31/2, var_1_15=32767, var_1_16=64, var_1_17=4, var_1_18=1, var_1_19=0, var_1_1=2, var_1_20=32767, var_1_21=32767, var_1_22=2, var_1_23=8, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=1, var_1_2=1, var_1_3=32767, var_1_4=0, var_1_6=1073741823, var_1_7=0, var_1_9=47/5] [L89] COND FALSE !(last_1_var_1_15 >= (var_1_6 | ((((64u) < 0 ) ? -(64u) : (64u))))) [L96] var_1_14 = var_1_12 VAL [isInitial=1, last_1_var_1_14=31/2, last_1_var_1_15=100, last_1_var_1_20=64, last_1_var_1_23=8, last_1_var_1_24=0, last_1_var_1_9=47/5, stepLocal_0=4294967288, var_1_12=2, var_1_13=3, var_1_14=2, var_1_15=32767, var_1_16=64, var_1_17=4, var_1_18=1, var_1_19=0, var_1_1=2, var_1_20=32767, var_1_21=32767, var_1_22=2, var_1_23=8, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=1, var_1_2=1, var_1_3=32767, var_1_4=0, var_1_6=1073741823, var_1_7=0, var_1_9=47/5] [L98] unsigned short int stepLocal_3 = var_1_21; VAL [isInitial=1, last_1_var_1_14=31/2, last_1_var_1_15=100, last_1_var_1_20=64, last_1_var_1_23=8, last_1_var_1_24=0, last_1_var_1_9=47/5, stepLocal_0=4294967288, stepLocal_3=32767, var_1_12=2, var_1_13=3, var_1_14=2, var_1_15=32767, var_1_16=64, var_1_17=4, var_1_18=1, var_1_19=0, var_1_1=2, var_1_20=32767, var_1_21=32767, var_1_22=2, var_1_23=8, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=1, var_1_2=1, var_1_3=32767, var_1_4=0, var_1_6=1073741823, var_1_7=0, var_1_9=47/5] [L99] COND TRUE var_1_14 < (9999.6f + var_1_12) [L100] var_1_23 = var_1_20 VAL [isInitial=1, last_1_var_1_14=31/2, last_1_var_1_15=100, last_1_var_1_20=64, last_1_var_1_23=8, last_1_var_1_24=0, last_1_var_1_9=47/5, stepLocal_0=4294967288, stepLocal_3=32767, var_1_12=2, var_1_13=3, var_1_14=2, var_1_15=32767, var_1_16=64, var_1_17=4, var_1_18=1, var_1_19=0, var_1_1=2, var_1_20=32767, var_1_21=32767, var_1_22=2, var_1_23=32767, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=1, var_1_2=1, var_1_3=32767, var_1_4=0, var_1_6=1073741823, var_1_7=0, var_1_9=47/5] [L112] COND FALSE !((256.2 * var_1_14) < var_1_14) VAL [isInitial=1, last_1_var_1_14=31/2, last_1_var_1_15=100, last_1_var_1_20=64, last_1_var_1_23=8, last_1_var_1_24=0, last_1_var_1_9=47/5, stepLocal_0=4294967288, stepLocal_3=32767, var_1_12=2, var_1_13=3, var_1_14=2, var_1_15=32767, var_1_16=64, var_1_17=4, var_1_18=1, var_1_19=0, var_1_1=2, var_1_20=32767, var_1_21=32767, var_1_22=2, var_1_23=32767, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=1, var_1_2=1, var_1_3=32767, var_1_4=0, var_1_6=1073741823, var_1_7=0, var_1_9=47/5] [L117] COND FALSE !(var_1_24 && ((var_1_3 - var_1_4) <= var_1_23)) [L120] var_1_1 = var_1_4 VAL [isInitial=1, last_1_var_1_14=31/2, last_1_var_1_15=100, last_1_var_1_20=64, last_1_var_1_23=8, last_1_var_1_24=0, last_1_var_1_9=47/5, stepLocal_0=4294967288, stepLocal_3=32767, var_1_12=2, var_1_13=3, var_1_14=2, var_1_15=32767, var_1_16=64, var_1_17=4, var_1_18=1, var_1_19=0, var_1_1=0, var_1_20=32767, var_1_21=32767, var_1_22=2, var_1_23=32767, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=1, var_1_2=1, var_1_3=32767, var_1_4=0, var_1_6=1073741823, var_1_7=0, var_1_9=47/5] [L122] COND FALSE !(var_1_13 >= var_1_14) VAL [isInitial=1, last_1_var_1_14=31/2, last_1_var_1_15=100, last_1_var_1_20=64, last_1_var_1_23=8, last_1_var_1_24=0, last_1_var_1_9=47/5, stepLocal_0=4294967288, stepLocal_3=32767, var_1_12=2, var_1_13=3, var_1_14=2, var_1_15=32767, var_1_16=64, var_1_17=4, var_1_18=1, var_1_19=0, var_1_1=0, var_1_20=32767, var_1_21=32767, var_1_22=2, var_1_23=32767, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=1, var_1_2=1, var_1_3=32767, var_1_4=0, var_1_6=1073741823, var_1_7=0, var_1_9=47/5] [L131] signed char stepLocal_2 = var_1_19; [L132] unsigned long int stepLocal_1 = var_1_6; VAL [isInitial=1, last_1_var_1_14=31/2, last_1_var_1_15=100, last_1_var_1_20=64, last_1_var_1_23=8, last_1_var_1_24=0, last_1_var_1_9=47/5, stepLocal_0=4294967288, stepLocal_1=1073741823, stepLocal_2=0, stepLocal_3=32767, var_1_12=2, var_1_13=3, var_1_14=2, var_1_15=32767, var_1_16=64, var_1_17=4, var_1_18=1, var_1_19=0, var_1_1=0, var_1_20=32767, var_1_21=32767, var_1_22=2, var_1_23=32767, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=1, var_1_2=1, var_1_3=32767, var_1_4=0, var_1_6=1073741823, var_1_7=0, var_1_9=47/5] [L133] COND TRUE var_1_12 <= var_1_14 [L134] var_1_22 = var_1_19 VAL [isInitial=1, last_1_var_1_14=31/2, last_1_var_1_15=100, last_1_var_1_20=64, last_1_var_1_23=8, last_1_var_1_24=0, last_1_var_1_9=47/5, stepLocal_0=4294967288, stepLocal_1=1073741823, stepLocal_2=0, stepLocal_3=32767, var_1_12=2, var_1_13=3, var_1_14=2, var_1_15=32767, var_1_16=64, var_1_17=4, var_1_18=1, var_1_19=0, var_1_1=0, var_1_20=32767, var_1_21=32767, var_1_22=0, var_1_23=32767, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=1, var_1_2=1, var_1_3=32767, var_1_4=0, var_1_6=1073741823, var_1_7=0, var_1_9=47/5] [L210] RET step() [L211] CALL, EXPR property() [L201] EXPR (((var_1_24 && ((var_1_3 - var_1_4) <= var_1_23)) ? (var_1_1 == ((unsigned long int) ((((((var_1_3 + var_1_4)) > ((var_1_6 - var_1_20))) ? ((var_1_3 + var_1_4)) : ((var_1_6 - var_1_20)))) + var_1_20))) : (var_1_1 == ((unsigned long int) var_1_4))) && (((256.2 * var_1_14) < var_1_14) ? (var_1_24 ? (var_1_9 == ((float) (var_1_12 + var_1_13))) : 1) : 1)) && ((last_1_var_1_15 >= (var_1_6 | ((((64u) < 0 ) ? -(64u) : (64u))))) ? (((8 + 5) < var_1_6) ? (var_1_14 == ((float) var_1_13)) : (var_1_14 == ((float) var_1_13))) : (var_1_14 == ((float) var_1_12))) VAL [isInitial=1, last_1_var_1_14=31/2, last_1_var_1_15=100, last_1_var_1_20=64, last_1_var_1_23=8, last_1_var_1_24=0, last_1_var_1_9=47/5, var_1_12=2, var_1_13=3, var_1_14=2, var_1_15=32767, var_1_16=64, var_1_17=4, var_1_18=1, var_1_19=0, var_1_1=0, var_1_20=32767, var_1_21=32767, var_1_22=0, var_1_23=32767, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=1, var_1_2=1, var_1_3=32767, var_1_4=0, var_1_6=1073741823, var_1_7=0, var_1_9=47/5] [L201] EXPR var_1_6 | ((((64u) < 0 ) ? -(64u) : (64u))) VAL [isInitial=1, last_1_var_1_14=31/2, last_1_var_1_15=100, last_1_var_1_20=64, last_1_var_1_23=8, last_1_var_1_24=0, last_1_var_1_9=47/5, var_1_12=2, var_1_13=3, var_1_14=2, var_1_15=32767, var_1_16=64, var_1_17=4, var_1_18=1, var_1_19=0, var_1_1=0, var_1_20=32767, var_1_21=32767, var_1_22=0, var_1_23=32767, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=1, var_1_2=1, var_1_3=32767, var_1_4=0, var_1_6=1073741823, var_1_7=0, var_1_9=47/5] [L201] EXPR (((var_1_24 && ((var_1_3 - var_1_4) <= var_1_23)) ? (var_1_1 == ((unsigned long int) ((((((var_1_3 + var_1_4)) > ((var_1_6 - var_1_20))) ? ((var_1_3 + var_1_4)) : ((var_1_6 - var_1_20)))) + var_1_20))) : (var_1_1 == ((unsigned long int) var_1_4))) && (((256.2 * var_1_14) < var_1_14) ? (var_1_24 ? (var_1_9 == ((float) (var_1_12 + var_1_13))) : 1) : 1)) && ((last_1_var_1_15 >= (var_1_6 | ((((64u) < 0 ) ? -(64u) : (64u))))) ? (((8 + 5) < var_1_6) ? (var_1_14 == ((float) var_1_13)) : (var_1_14 == ((float) var_1_13))) : (var_1_14 == ((float) var_1_12))) VAL [isInitial=1, last_1_var_1_14=31/2, last_1_var_1_15=100, last_1_var_1_20=64, last_1_var_1_23=8, last_1_var_1_24=0, last_1_var_1_9=47/5, var_1_12=2, var_1_13=3, var_1_14=2, var_1_15=32767, var_1_16=64, var_1_17=4, var_1_18=1, var_1_19=0, var_1_1=0, var_1_20=32767, var_1_21=32767, var_1_22=0, var_1_23=32767, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=1, var_1_2=1, var_1_3=32767, var_1_4=0, var_1_6=1073741823, var_1_7=0, var_1_9=47/5] [L201] EXPR ((((((((var_1_24 && ((var_1_3 - var_1_4) <= var_1_23)) ? (var_1_1 == ((unsigned long int) ((((((var_1_3 + var_1_4)) > ((var_1_6 - var_1_20))) ? ((var_1_3 + var_1_4)) : ((var_1_6 - var_1_20)))) + var_1_20))) : (var_1_1 == ((unsigned long int) var_1_4))) && (((256.2 * var_1_14) < var_1_14) ? (var_1_24 ? (var_1_9 == ((float) (var_1_12 + var_1_13))) : 1) : 1)) && ((last_1_var_1_15 >= (var_1_6 | ((((64u) < 0 ) ? -(64u) : (64u))))) ? (((8 + 5) < var_1_6) ? (var_1_14 == ((float) var_1_13)) : (var_1_14 == ((float) var_1_13))) : (var_1_14 == ((float) var_1_12)))) && ((var_1_24 && (var_1_20 < (3349670375u - var_1_4))) ? ((var_1_3 > var_1_4) ? (var_1_15 == ((unsigned long int) (4063422496u - 64u))) : (var_1_15 == ((unsigned long int) var_1_20))) : (var_1_15 == ((unsigned long int) var_1_20)))) && ((var_1_13 >= var_1_14) ? ((((- var_1_9) * (var_1_14 * var_1_13)) < var_1_12) ? (((- var_1_14) <= (((((var_1_9) > (4.375f)) ? (var_1_9) : (4.375f))) * (var_1_9 / var_1_17))) ? (var_1_16 == ((signed char) ((((var_1_18) < (var_1_19)) ? (var_1_18) : (var_1_19))))) : (var_1_16 == ((signed char) 1))) : 1) : 1)) && (last_1_var_1_24 ? (((var_1_6 * last_1_var_1_23) < var_1_7) ? (var_1_20 == ((unsigned short int) (var_1_4 + var_1_21))) : (var_1_20 == ((unsigned short int) var_1_4))) : (var_1_20 == ((unsigned short int) var_1_21)))) && ((var_1_12 <= var_1_14) ? (var_1_22 == ((signed char) var_1_19)) : (((((((var_1_3 * var_1_16)) < (var_1_20)) ? ((var_1_3 * var_1_16)) : (var_1_20))) > var_1_6) ? ((var_1_19 <= var_1_6) ? (var_1_22 == ((signed char) var_1_18)) : (var_1_22 == ((signed char) var_1_19))) : (var_1_22 == ((signed char) var_1_18))))) && ((var_1_14 < (9999.6f + var_1_12)) ? (var_1_23 == ((unsigned long int) var_1_20)) : ((var_1_14 <= (- (- var_1_14))) ? ((var_1_21 != (- (last_1_var_1_23 & var_1_20))) ? (var_1_23 == ((unsigned long int) var_1_20)) : (var_1_23 == ((unsigned long int) var_1_20))) : (var_1_23 == ((unsigned long int) var_1_3)))) VAL [isInitial=1, last_1_var_1_14=31/2, last_1_var_1_15=100, last_1_var_1_20=64, last_1_var_1_23=8, last_1_var_1_24=0, last_1_var_1_9=47/5, var_1_12=2, var_1_13=3, var_1_14=2, var_1_15=32767, var_1_16=64, var_1_17=4, var_1_18=1, var_1_19=0, var_1_1=0, var_1_20=32767, var_1_21=32767, var_1_22=0, var_1_23=32767, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=1, var_1_2=1, var_1_3=32767, var_1_4=0, var_1_6=1073741823, var_1_7=0, var_1_9=47/5] [L201-L202] return (((((((((var_1_24 && ((var_1_3 - var_1_4) <= var_1_23)) ? (var_1_1 == ((unsigned long int) ((((((var_1_3 + var_1_4)) > ((var_1_6 - var_1_20))) ? ((var_1_3 + var_1_4)) : ((var_1_6 - var_1_20)))) + var_1_20))) : (var_1_1 == ((unsigned long int) var_1_4))) && (((256.2 * var_1_14) < var_1_14) ? (var_1_24 ? (var_1_9 == ((float) (var_1_12 + var_1_13))) : 1) : 1)) && ((last_1_var_1_15 >= (var_1_6 | ((((64u) < 0 ) ? -(64u) : (64u))))) ? (((8 + 5) < var_1_6) ? (var_1_14 == ((float) var_1_13)) : (var_1_14 == ((float) var_1_13))) : (var_1_14 == ((float) var_1_12)))) && ((var_1_24 && (var_1_20 < (3349670375u - var_1_4))) ? ((var_1_3 > var_1_4) ? (var_1_15 == ((unsigned long int) (4063422496u - 64u))) : (var_1_15 == ((unsigned long int) var_1_20))) : (var_1_15 == ((unsigned long int) var_1_20)))) && ((var_1_13 >= var_1_14) ? ((((- var_1_9) * (var_1_14 * var_1_13)) < var_1_12) ? (((- var_1_14) <= (((((var_1_9) > (4.375f)) ? (var_1_9) : (4.375f))) * (var_1_9 / var_1_17))) ? (var_1_16 == ((signed char) ((((var_1_18) < (var_1_19)) ? (var_1_18) : (var_1_19))))) : (var_1_16 == ((signed char) 1))) : 1) : 1)) && (last_1_var_1_24 ? (((var_1_6 * last_1_var_1_23) < var_1_7) ? (var_1_20 == ((unsigned short int) (var_1_4 + var_1_21))) : (var_1_20 == ((unsigned short int) var_1_4))) : (var_1_20 == ((unsigned short int) var_1_21)))) && ((var_1_12 <= var_1_14) ? (var_1_22 == ((signed char) var_1_19)) : (((((((var_1_3 * var_1_16)) < (var_1_20)) ? ((var_1_3 * var_1_16)) : (var_1_20))) > var_1_6) ? ((var_1_19 <= var_1_6) ? (var_1_22 == ((signed char) var_1_18)) : (var_1_22 == ((signed char) var_1_19))) : (var_1_22 == ((signed char) var_1_18))))) && ((var_1_14 < (9999.6f + var_1_12)) ? (var_1_23 == ((unsigned long int) var_1_20)) : ((var_1_14 <= (- (- var_1_14))) ? ((var_1_21 != (- (last_1_var_1_23 & var_1_20))) ? (var_1_23 == ((unsigned long int) var_1_20)) : (var_1_23 == ((unsigned long int) var_1_20))) : (var_1_23 == ((unsigned long int) var_1_3))))) && ((last_1_var_1_14 >= (var_1_13 * last_1_var_1_9)) ? (var_1_2 ? (var_1_24 == ((unsigned char) var_1_25)) : (var_1_24 == ((unsigned char) (var_1_25 || var_1_26)))) : (var_1_25 ? (var_1_24 == ((unsigned char) (var_1_26 && var_1_27))) : ((last_1_var_1_15 == last_1_var_1_20) ? (var_1_24 == ((unsigned char) var_1_28)) : 1))) ; [L211] RET, EXPR property() [L211] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_14=31/2, last_1_var_1_15=100, last_1_var_1_20=64, last_1_var_1_23=8, last_1_var_1_24=0, last_1_var_1_9=47/5, var_1_12=2, var_1_13=3, var_1_14=2, var_1_15=32767, var_1_16=64, var_1_17=4, var_1_18=1, var_1_19=0, var_1_1=0, var_1_20=32767, var_1_21=32767, var_1_22=0, var_1_23=32767, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=1, var_1_2=1, var_1_3=32767, var_1_4=0, var_1_6=1073741823, var_1_7=0, var_1_9=47/5] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_14=31/2, last_1_var_1_15=100, last_1_var_1_20=64, last_1_var_1_23=8, last_1_var_1_24=0, last_1_var_1_9=47/5, var_1_12=2, var_1_13=3, var_1_14=2, var_1_15=32767, var_1_16=64, var_1_17=4, var_1_18=1, var_1_19=0, var_1_1=0, var_1_20=32767, var_1_21=32767, var_1_22=0, var_1_23=32767, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=1, var_1_2=1, var_1_3=32767, var_1_4=0, var_1_6=1073741823, var_1_7=0, var_1_9=47/5] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 104 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 13.5s, OverallIterations: 8, TraceHistogramMax: 28, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 3.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1938 SdHoareTripleChecker+Valid, 2.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1868 mSDsluCounter, 2972 SdHoareTripleChecker+Invalid, 1.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1946 mSDsCounter, 822 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1089 IncrementalHoareTripleChecker+Invalid, 1911 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 822 mSolverCounterUnsat, 1026 mSDtfsCounter, 1089 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2232 GetRequests, 2134 SyntacticMatches, 5 SemanticMatches, 93 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 731 ImplicationChecksByTransitivity, 1.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=337occurred in iteration=6, InterpolantAutomatonStates: 87, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 7 MinimizatonAttempts, 243 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 1.0s SatisfiabilityAnalysisTime, 5.0s InterpolantComputationTime, 1641 NumberOfCodeBlocks, 1641 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 2173 ConstructedInterpolants, 0 QuantifiedInterpolants, 5938 SizeOfPredicates, 24 NumberOfNonLiveVariables, 3076 ConjunctsInSsa, 54 ConjunctsInUnsatCore, 12 InterpolantComputations, 3 PerfectInterpolantSequences, 17823/18144 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 07:36:32,897 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6060a93-7899-4996-b20b-ef64680ff927/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6060a93-7899-4996-b20b-ef64680ff927/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6060a93-7899-4996-b20b-ef64680ff927/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_d6060a93-7899-4996-b20b-ef64680ff927/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6060a93-7899-4996-b20b-ef64680ff927/bin/uautomizer-verify-uCwYo4JHxu/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-69.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6060a93-7899-4996-b20b-ef64680ff927/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_d6060a93-7899-4996-b20b-ef64680ff927/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 01b73e46276f70692a601510faa80641db7bb7027bfb04cc38bc964dfdc1b93b --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 07:36:35,899 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 07:36:36,039 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6060a93-7899-4996-b20b-ef64680ff927/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-11-19 07:36:36,052 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 07:36:36,053 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 07:36:36,096 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 07:36:36,097 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 07:36:36,097 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 07:36:36,098 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 07:36:36,099 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 07:36:36,100 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 07:36:36,100 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 07:36:36,101 INFO L153 SettingsManager]: * Use SBE=true [2023-11-19 07:36:36,105 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 07:36:36,107 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 07:36:36,107 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 07:36:36,108 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 07:36:36,108 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 07:36:36,108 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 07:36:36,109 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 07:36:36,109 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 07:36:36,110 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 07:36:36,110 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 07:36:36,111 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 07:36:36,111 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 07:36:36,112 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 07:36:36,112 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 07:36:36,113 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 07:36:36,113 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 07:36:36,113 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 07:36:36,115 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 07:36:36,115 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 07:36:36,116 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 07:36:36,116 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 07:36:36,117 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-19 07:36:36,117 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 07:36:36,117 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-19 07:36:36,117 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 07:36:36,118 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-19 07:36:36,119 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 07:36:36,119 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-19 07:36:36,119 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-19 07:36:36,120 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_d6060a93-7899-4996-b20b-ef64680ff927/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6060a93-7899-4996-b20b-ef64680ff927/bin/uautomizer-verify-uCwYo4JHxu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 01b73e46276f70692a601510faa80641db7bb7027bfb04cc38bc964dfdc1b93b [2023-11-19 07:36:36,555 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 07:36:36,595 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 07:36:36,601 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 07:36:36,603 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 07:36:36,604 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 07:36:36,606 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6060a93-7899-4996-b20b-ef64680ff927/bin/uautomizer-verify-uCwYo4JHxu/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-69.i [2023-11-19 07:36:39,973 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 07:36:40,254 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 07:36:40,263 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6060a93-7899-4996-b20b-ef64680ff927/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-69.i [2023-11-19 07:36:40,276 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6060a93-7899-4996-b20b-ef64680ff927/bin/uautomizer-verify-uCwYo4JHxu/data/8dafbcedd/04369a76b86943a396c30736f1223d3e/FLAG497f1e0bd [2023-11-19 07:36:40,293 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6060a93-7899-4996-b20b-ef64680ff927/bin/uautomizer-verify-uCwYo4JHxu/data/8dafbcedd/04369a76b86943a396c30736f1223d3e [2023-11-19 07:36:40,296 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 07:36:40,298 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 07:36:40,299 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 07:36:40,300 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 07:36:40,306 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 07:36:40,306 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:36:40" (1/1) ... [2023-11-19 07:36:40,308 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4be65297 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:36:40, skipping insertion in model container [2023-11-19 07:36:40,308 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:36:40" (1/1) ... [2023-11-19 07:36:40,349 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 07:36:40,539 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_d6060a93-7899-4996-b20b-ef64680ff927/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-69.i[916,929] [2023-11-19 07:36:40,656 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:36:40,683 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 07:36:40,697 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_d6060a93-7899-4996-b20b-ef64680ff927/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-69.i[916,929] [2023-11-19 07:36:40,739 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:36:40,762 INFO L206 MainTranslator]: Completed translation [2023-11-19 07:36:40,762 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:36:40 WrapperNode [2023-11-19 07:36:40,763 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 07:36:40,764 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 07:36:40,764 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 07:36:40,764 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 07:36:40,773 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:36:40" (1/1) ... [2023-11-19 07:36:40,791 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:36:40" (1/1) ... [2023-11-19 07:36:40,831 INFO L138 Inliner]: procedures = 27, calls = 41, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 195 [2023-11-19 07:36:40,832 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 07:36:40,832 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 07:36:40,833 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 07:36:40,833 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 07:36:40,843 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:36:40" (1/1) ... [2023-11-19 07:36:40,844 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:36:40" (1/1) ... [2023-11-19 07:36:40,850 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:36:40" (1/1) ... [2023-11-19 07:36:40,850 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:36:40" (1/1) ... [2023-11-19 07:36:40,865 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:36:40" (1/1) ... [2023-11-19 07:36:40,870 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:36:40" (1/1) ... [2023-11-19 07:36:40,874 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:36:40" (1/1) ... [2023-11-19 07:36:40,877 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:36:40" (1/1) ... [2023-11-19 07:36:40,883 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 07:36:40,884 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 07:36:40,884 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 07:36:40,884 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 07:36:40,885 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:36:40" (1/1) ... [2023-11-19 07:36:40,892 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 07:36:40,921 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6060a93-7899-4996-b20b-ef64680ff927/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:36:40,945 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6060a93-7899-4996-b20b-ef64680ff927/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 07:36:40,960 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6060a93-7899-4996-b20b-ef64680ff927/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 07:36:40,991 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 07:36:40,992 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 07:36:40,992 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 07:36:40,992 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 07:36:40,993 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 07:36:40,993 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 07:36:41,109 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 07:36:41,112 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 07:36:53,996 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 07:36:54,007 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 07:36:54,007 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 07:36:54,012 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:36:54 BoogieIcfgContainer [2023-11-19 07:36:54,013 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 07:36:54,016 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 07:36:54,016 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 07:36:54,020 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 07:36:54,021 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 07:36:40" (1/3) ... [2023-11-19 07:36:54,022 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5b50486b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:36:54, skipping insertion in model container [2023-11-19 07:36:54,022 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:36:40" (2/3) ... [2023-11-19 07:36:54,023 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5b50486b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:36:54, skipping insertion in model container [2023-11-19 07:36:54,025 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:36:54" (3/3) ... [2023-11-19 07:36:54,027 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_100-while_file-69.i [2023-11-19 07:36:54,049 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 07:36:54,050 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-19 07:36:54,109 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 07:36:54,115 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;@677ad9cf, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-19 07:36:54,116 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-19 07:36:54,121 INFO L276 IsEmpty]: Start isEmpty. Operand has 86 states, 55 states have (on average 1.490909090909091) internal successors, (82), 56 states have internal predecessors, (82), 28 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28) [2023-11-19 07:36:54,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2023-11-19 07:36:54,153 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:36:54,154 INFO L195 NwaCegarLoop]: trace histogram [28, 28, 28, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:36:54,154 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:36:54,160 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:36:54,161 INFO L85 PathProgramCache]: Analyzing trace with hash 1838122913, now seen corresponding path program 1 times [2023-11-19 07:36:54,181 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-19 07:36:54,184 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [362171103] [2023-11-19 07:36:54,184 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:36:54,186 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 07:36:54,186 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6060a93-7899-4996-b20b-ef64680ff927/bin/uautomizer-verify-uCwYo4JHxu/mathsat [2023-11-19 07:36:54,189 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6060a93-7899-4996-b20b-ef64680ff927/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 07:36:54,192 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6060a93-7899-4996-b20b-ef64680ff927/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 07:36:55,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:36:55,200 INFO L262 TraceCheckSpWp]: Trace formula consists of 291 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 07:36:55,214 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:36:55,321 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 614 proven. 0 refuted. 0 times theorem prover too weak. 898 trivial. 0 not checked. [2023-11-19 07:36:55,321 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 07:36:55,322 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-19 07:36:55,322 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [362171103] [2023-11-19 07:36:55,323 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [362171103] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:36:55,323 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:36:55,324 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 07:36:55,325 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [133705921] [2023-11-19 07:36:55,326 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:36:55,338 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-19 07:36:55,338 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-19 07:36:55,390 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-19 07:36:55,391 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-19 07:36:55,394 INFO L87 Difference]: Start difference. First operand has 86 states, 55 states have (on average 1.490909090909091) internal successors, (82), 56 states have internal predecessors, (82), 28 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28) 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, (28), 2 states have call predecessors, (28), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2023-11-19 07:36:55,434 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:36:55,434 INFO L93 Difference]: Finished difference Result 165 states and 298 transitions. [2023-11-19 07:36:55,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-19 07:36:55,437 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, (28), 2 states have call predecessors, (28), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) Word has length 176 [2023-11-19 07:36:55,437 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:36:55,446 INFO L225 Difference]: With dead ends: 165 [2023-11-19 07:36:55,446 INFO L226 Difference]: Without dead ends: 82 [2023-11-19 07:36:55,451 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 175 GetRequests, 175 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 07:36:55,455 INFO L413 NwaCegarLoop]: 131 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, 131 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 07:36:55,457 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 131 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 07:36:55,475 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82 states. [2023-11-19 07:36:55,507 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82 to 82. [2023-11-19 07:36:55,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 82 states, 52 states have (on average 1.4423076923076923) internal successors, (75), 52 states have internal predecessors, (75), 28 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28) [2023-11-19 07:36:55,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 131 transitions. [2023-11-19 07:36:55,534 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 131 transitions. Word has length 176 [2023-11-19 07:36:55,535 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:36:55,535 INFO L495 AbstractCegarLoop]: Abstraction has 82 states and 131 transitions. [2023-11-19 07:36:55,536 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, (28), 2 states have call predecessors, (28), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2023-11-19 07:36:55,536 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 131 transitions. [2023-11-19 07:36:55,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2023-11-19 07:36:55,541 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:36:55,541 INFO L195 NwaCegarLoop]: trace histogram [28, 28, 28, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:36:55,558 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6060a93-7899-4996-b20b-ef64680ff927/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)] Ended with exit code 0 [2023-11-19 07:36:55,748 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6060a93-7899-4996-b20b-ef64680ff927/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 07:36:55,749 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:36:55,749 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:36:55,750 INFO L85 PathProgramCache]: Analyzing trace with hash 968899933, now seen corresponding path program 1 times [2023-11-19 07:36:55,750 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-19 07:36:55,751 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [478982649] [2023-11-19 07:36:55,751 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:36:55,751 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 07:36:55,751 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6060a93-7899-4996-b20b-ef64680ff927/bin/uautomizer-verify-uCwYo4JHxu/mathsat [2023-11-19 07:36:55,754 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6060a93-7899-4996-b20b-ef64680ff927/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 07:36:55,755 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6060a93-7899-4996-b20b-ef64680ff927/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 07:36:56,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:36:56,834 INFO L262 TraceCheckSpWp]: Trace formula consists of 291 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 07:36:56,849 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:36:57,704 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 573 proven. 18 refuted. 0 times theorem prover too weak. 921 trivial. 0 not checked. [2023-11-19 07:36:57,705 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-19 07:36:58,558 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 63 proven. 18 refuted. 0 times theorem prover too weak. 1431 trivial. 0 not checked. [2023-11-19 07:36:58,559 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-19 07:36:58,559 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [478982649] [2023-11-19 07:36:58,559 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [478982649] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-19 07:36:58,561 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-19 07:36:58,561 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2023-11-19 07:36:58,566 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1693882363] [2023-11-19 07:36:58,566 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-19 07:36:58,570 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-19 07:36:58,572 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-19 07:36:58,575 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-19 07:36:58,579 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2023-11-19 07:36:58,579 INFO L87 Difference]: Start difference. First operand 82 states and 131 transitions. Second operand has 7 states, 7 states have (on average 6.857142857142857) internal successors, (48), 7 states have internal predecessors, (48), 2 states have call successors, (34), 2 states have call predecessors, (34), 4 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) [2023-11-19 07:37:02,422 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.29s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 07:37:04,425 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 07:37:06,433 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 07:37:06,438 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:37:06,440 INFO L93 Difference]: Finished difference Result 169 states and 266 transitions. [2023-11-19 07:37:06,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-19 07:37:06,521 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.857142857142857) internal successors, (48), 7 states have internal predecessors, (48), 2 states have call successors, (34), 2 states have call predecessors, (34), 4 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) Word has length 176 [2023-11-19 07:37:06,523 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:37:06,526 INFO L225 Difference]: With dead ends: 169 [2023-11-19 07:37:06,527 INFO L226 Difference]: Without dead ends: 90 [2023-11-19 07:37:06,528 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 354 GetRequests, 344 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=45, Invalid=65, Unknown=0, NotChecked=0, Total=110 [2023-11-19 07:37:06,530 INFO L413 NwaCegarLoop]: 96 mSDtfsCounter, 154 mSDsluCounter, 134 mSDsCounter, 0 mSdLazyCounter, 152 mSolverCounterSat, 45 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 174 SdHoareTripleChecker+Valid, 230 SdHoareTripleChecker+Invalid, 200 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 45 IncrementalHoareTripleChecker+Valid, 152 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.6s IncrementalHoareTripleChecker+Time [2023-11-19 07:37:06,531 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [174 Valid, 230 Invalid, 200 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [45 Valid, 152 Invalid, 3 Unknown, 0 Unchecked, 7.6s Time] [2023-11-19 07:37:06,532 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 90 states. [2023-11-19 07:37:06,549 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 90 to 86. [2023-11-19 07:37:06,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 86 states, 55 states have (on average 1.4) internal successors, (77), 55 states have internal predecessors, (77), 28 states have call successors, (28), 2 states have call predecessors, (28), 2 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28) [2023-11-19 07:37:06,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 86 states and 133 transitions. [2023-11-19 07:37:06,552 INFO L78 Accepts]: Start accepts. Automaton has 86 states and 133 transitions. Word has length 176 [2023-11-19 07:37:06,553 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:37:06,554 INFO L495 AbstractCegarLoop]: Abstraction has 86 states and 133 transitions. [2023-11-19 07:37:06,554 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.857142857142857) internal successors, (48), 7 states have internal predecessors, (48), 2 states have call successors, (34), 2 states have call predecessors, (34), 4 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) [2023-11-19 07:37:06,554 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 133 transitions. [2023-11-19 07:37:06,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2023-11-19 07:37:06,560 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:37:06,561 INFO L195 NwaCegarLoop]: trace histogram [28, 28, 28, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:37:06,578 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6060a93-7899-4996-b20b-ef64680ff927/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 07:37:06,761 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6060a93-7899-4996-b20b-ef64680ff927/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 07:37:06,762 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:37:06,762 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:37:06,762 INFO L85 PathProgramCache]: Analyzing trace with hash 1542889053, now seen corresponding path program 1 times [2023-11-19 07:37:06,763 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-19 07:37:06,763 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2136104519] [2023-11-19 07:37:06,764 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:37:06,764 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 07:37:06,764 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6060a93-7899-4996-b20b-ef64680ff927/bin/uautomizer-verify-uCwYo4JHxu/mathsat [2023-11-19 07:37:06,767 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6060a93-7899-4996-b20b-ef64680ff927/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 07:37:06,772 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6060a93-7899-4996-b20b-ef64680ff927/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 07:37:07,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:37:07,692 INFO L262 TraceCheckSpWp]: Trace formula consists of 291 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 07:37:07,699 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:37:08,558 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 573 proven. 18 refuted. 0 times theorem prover too weak. 921 trivial. 0 not checked. [2023-11-19 07:37:08,558 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-19 07:37:09,572 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 63 proven. 18 refuted. 0 times theorem prover too weak. 1431 trivial. 0 not checked. [2023-11-19 07:37:09,572 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-19 07:37:09,573 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2136104519] [2023-11-19 07:37:09,574 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2136104519] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-19 07:37:09,575 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-19 07:37:09,576 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 8 [2023-11-19 07:37:09,576 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1477488128] [2023-11-19 07:37:09,584 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-19 07:37:09,585 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-19 07:37:09,586 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-19 07:37:09,588 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-19 07:37:09,589 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2023-11-19 07:37:09,589 INFO L87 Difference]: Start difference. First operand 86 states and 133 transitions. Second operand has 8 states, 8 states have (on average 6.0) internal successors, (48), 8 states have internal predecessors, (48), 2 states have call successors, (34), 2 states have call predecessors, (34), 4 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35)