./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-35.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e7bb482b Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c4c2731-8f85-4526-8d60-4abe66893795/bin/uautomizer-verify-WvqO1wxjHP/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c4c2731-8f85-4526-8d60-4abe66893795/bin/uautomizer-verify-WvqO1wxjHP/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c4c2731-8f85-4526-8d60-4abe66893795/bin/uautomizer-verify-WvqO1wxjHP/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c4c2731-8f85-4526-8d60-4abe66893795/bin/uautomizer-verify-WvqO1wxjHP/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-35.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c4c2731-8f85-4526-8d60-4abe66893795/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c4c2731-8f85-4526-8d60-4abe66893795/bin/uautomizer-verify-WvqO1wxjHP --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 57c3b59e617031810541c352683e22355f7d2bb210fb0588faea84e9b25c6bba --- Real Ultimate output --- This is Ultimate 0.2.3-dev-e7bb482 [2023-11-06 22:22:26,798 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-06 22:22:26,874 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c4c2731-8f85-4526-8d60-4abe66893795/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-06 22:22:26,880 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-06 22:22:26,881 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-06 22:22:26,905 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-06 22:22:26,906 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-06 22:22:26,906 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-06 22:22:26,907 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-06 22:22:26,907 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-06 22:22:26,908 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-06 22:22:26,909 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-06 22:22:26,909 INFO L153 SettingsManager]: * Use SBE=true [2023-11-06 22:22:26,910 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-06 22:22:26,910 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-06 22:22:26,911 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-06 22:22:26,911 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-06 22:22:26,912 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-06 22:22:26,913 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-06 22:22:26,913 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-06 22:22:26,914 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-06 22:22:26,922 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-06 22:22:26,922 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-06 22:22:26,923 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-06 22:22:26,923 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-06 22:22:26,924 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-06 22:22:26,924 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-06 22:22:26,925 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-06 22:22:26,933 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:22:26,934 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-06 22:22:26,934 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-06 22:22:26,935 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-11-06 22:22:26,935 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-06 22:22:26,935 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-06 22:22:26,936 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-06 22:22:26,936 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-06 22:22:26,936 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-06 22:22:26,937 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-06 22:22:26,937 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-06 22:22:26,937 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_1c4c2731-8f85-4526-8d60-4abe66893795/bin/uautomizer-verify-WvqO1wxjHP/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c4c2731-8f85-4526-8d60-4abe66893795/bin/uautomizer-verify-WvqO1wxjHP Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 57c3b59e617031810541c352683e22355f7d2bb210fb0588faea84e9b25c6bba [2023-11-06 22:22:27,264 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-06 22:22:27,304 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-06 22:22:27,306 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-06 22:22:27,309 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-06 22:22:27,309 INFO L274 PluginConnector]: CDTParser initialized [2023-11-06 22:22:27,311 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c4c2731-8f85-4526-8d60-4abe66893795/bin/uautomizer-verify-WvqO1wxjHP/../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-35.i [2023-11-06 22:22:30,486 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-06 22:22:30,735 INFO L384 CDTParser]: Found 1 translation units. [2023-11-06 22:22:30,735 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c4c2731-8f85-4526-8d60-4abe66893795/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-35.i [2023-11-06 22:22:30,745 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c4c2731-8f85-4526-8d60-4abe66893795/bin/uautomizer-verify-WvqO1wxjHP/data/7c604f175/586a7d36cb4c4cedae4eaa0188532445/FLAGc0fbec13d [2023-11-06 22:22:30,760 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c4c2731-8f85-4526-8d60-4abe66893795/bin/uautomizer-verify-WvqO1wxjHP/data/7c604f175/586a7d36cb4c4cedae4eaa0188532445 [2023-11-06 22:22:30,763 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-06 22:22:30,765 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-06 22:22:30,766 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-06 22:22:30,767 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-06 22:22:30,772 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-06 22:22:30,773 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:22:30" (1/1) ... [2023-11-06 22:22:30,774 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@cc28322 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:22:30, skipping insertion in model container [2023-11-06 22:22:30,775 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:22:30" (1/1) ... [2023-11-06 22:22:30,812 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 22:22:30,968 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_1c4c2731-8f85-4526-8d60-4abe66893795/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-35.i[917,930] [2023-11-06 22:22:31,032 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:22:31,054 INFO L202 MainTranslator]: Completed pre-run [2023-11-06 22:22:31,065 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_1c4c2731-8f85-4526-8d60-4abe66893795/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-35.i[917,930] [2023-11-06 22:22:31,115 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:22:31,143 INFO L206 MainTranslator]: Completed translation [2023-11-06 22:22:31,144 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:22:31 WrapperNode [2023-11-06 22:22:31,145 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-06 22:22:31,146 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-06 22:22:31,146 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-06 22:22:31,146 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-06 22:22:31,154 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:22:31" (1/1) ... [2023-11-06 22:22:31,178 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:22:31" (1/1) ... [2023-11-06 22:22:31,225 INFO L138 Inliner]: procedures = 26, calls = 40, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 180 [2023-11-06 22:22:31,226 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-06 22:22:31,227 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-06 22:22:31,227 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-06 22:22:31,227 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-06 22:22:31,248 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:22:31" (1/1) ... [2023-11-06 22:22:31,249 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:22:31" (1/1) ... [2023-11-06 22:22:31,263 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:22:31" (1/1) ... [2023-11-06 22:22:31,263 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:22:31" (1/1) ... [2023-11-06 22:22:31,275 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:22:31" (1/1) ... [2023-11-06 22:22:31,279 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:22:31" (1/1) ... [2023-11-06 22:22:31,281 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:22:31" (1/1) ... [2023-11-06 22:22:31,283 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:22:31" (1/1) ... [2023-11-06 22:22:31,288 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-06 22:22:31,289 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-06 22:22:31,289 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-06 22:22:31,289 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-06 22:22:31,290 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:22:31" (1/1) ... [2023-11-06 22:22:31,313 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:22:31,329 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c4c2731-8f85-4526-8d60-4abe66893795/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:22:31,349 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c4c2731-8f85-4526-8d60-4abe66893795/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-06 22:22:31,387 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c4c2731-8f85-4526-8d60-4abe66893795/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-06 22:22:31,395 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-06 22:22:31,395 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-06 22:22:31,395 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-06 22:22:31,395 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-06 22:22:31,395 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-06 22:22:31,396 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-06 22:22:31,541 INFO L236 CfgBuilder]: Building ICFG [2023-11-06 22:22:31,545 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-06 22:22:31,994 INFO L277 CfgBuilder]: Performing block encoding [2023-11-06 22:22:32,002 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-06 22:22:32,003 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-06 22:22:32,005 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:22:32 BoogieIcfgContainer [2023-11-06 22:22:32,005 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-06 22:22:32,009 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-06 22:22:32,009 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-06 22:22:32,012 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-06 22:22:32,013 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 10:22:30" (1/3) ... [2023-11-06 22:22:32,014 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@60784d9e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:22:32, skipping insertion in model container [2023-11-06 22:22:32,014 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:22:31" (2/3) ... [2023-11-06 22:22:32,014 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@60784d9e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:22:32, skipping insertion in model container [2023-11-06 22:22:32,015 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:22:32" (3/3) ... [2023-11-06 22:22:32,016 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_codestructure_steplocals_file-35.i [2023-11-06 22:22:32,037 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-06 22:22:32,038 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-06 22:22:32,093 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-06 22:22:32,100 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@713be07, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-06 22:22:32,101 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-06 22:22:32,106 INFO L276 IsEmpty]: Start isEmpty. Operand has 81 states, 51 states have (on average 1.3333333333333333) internal successors, (68), 52 states have internal predecessors, (68), 27 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2023-11-06 22:22:32,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2023-11-06 22:22:32,123 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:22:32,124 INFO L195 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:22:32,125 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:22:32,130 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:22:32,130 INFO L85 PathProgramCache]: Analyzing trace with hash 1157336560, now seen corresponding path program 1 times [2023-11-06 22:22:32,138 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:22:32,139 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1780564600] [2023-11-06 22:22:32,139 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:22:32,139 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:22:32,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:22:32,504 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:22:32,504 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1780564600] [2023-11-06 22:22:32,505 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2023-11-06 22:22:32,505 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1229250746] [2023-11-06 22:22:32,506 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:22:32,506 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:22:32,507 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c4c2731-8f85-4526-8d60-4abe66893795/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:22:32,510 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c4c2731-8f85-4526-8d60-4abe66893795/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:22:32,522 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c4c2731-8f85-4526-8d60-4abe66893795/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-06 22:22:32,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:22:32,772 INFO L262 TraceCheckSpWp]: Trace formula consists of 411 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-06 22:22:32,792 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:22:32,888 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 52 proven. 0 refuted. 0 times theorem prover too weak. 1352 trivial. 0 not checked. [2023-11-06 22:22:32,889 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:22:32,890 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1229250746] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:22:32,890 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:22:32,891 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-06 22:22:32,893 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1165506245] [2023-11-06 22:22:32,894 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:22:32,899 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-06 22:22:32,900 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:22:32,951 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-06 22:22:32,952 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-06 22:22:32,955 INFO L87 Difference]: Start difference. First operand has 81 states, 51 states have (on average 1.3333333333333333) internal successors, (68), 52 states have internal predecessors, (68), 27 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) Second operand has 2 states, 2 states have (on average 22.5) internal successors, (45), 2 states have internal predecessors, (45), 2 states have call successors, (27), 2 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 2 states have call successors, (27) [2023-11-06 22:22:33,024 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:22:33,025 INFO L93 Difference]: Finished difference Result 155 states and 265 transitions. [2023-11-06 22:22:33,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-06 22:22:33,028 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 22.5) internal successors, (45), 2 states have internal predecessors, (45), 2 states have call successors, (27), 2 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 2 states have call successors, (27) Word has length 175 [2023-11-06 22:22:33,028 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:22:33,038 INFO L225 Difference]: With dead ends: 155 [2023-11-06 22:22:33,039 INFO L226 Difference]: Without dead ends: 77 [2023-11-06 22:22:33,045 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 174 GetRequests, 174 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-06 22:22:33,050 INFO L413 NwaCegarLoop]: 115 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, 115 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-06 22:22:33,051 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 115 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 22:22:33,072 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2023-11-06 22:22:33,107 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 77. [2023-11-06 22:22:33,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 77 states, 48 states have (on average 1.2708333333333333) internal successors, (61), 48 states have internal predecessors, (61), 27 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2023-11-06 22:22:33,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 115 transitions. [2023-11-06 22:22:33,118 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 115 transitions. Word has length 175 [2023-11-06 22:22:33,118 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:22:33,119 INFO L495 AbstractCegarLoop]: Abstraction has 77 states and 115 transitions. [2023-11-06 22:22:33,119 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 22.5) internal successors, (45), 2 states have internal predecessors, (45), 2 states have call successors, (27), 2 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 2 states have call successors, (27) [2023-11-06 22:22:33,120 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 115 transitions. [2023-11-06 22:22:33,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2023-11-06 22:22:33,127 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:22:33,127 INFO L195 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:22:33,135 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c4c2731-8f85-4526-8d60-4abe66893795/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-06 22:22:33,332 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c4c2731-8f85-4526-8d60-4abe66893795/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-11-06 22:22:33,332 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:22:33,333 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:22:33,334 INFO L85 PathProgramCache]: Analyzing trace with hash -809003914, now seen corresponding path program 1 times [2023-11-06 22:22:33,334 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:22:33,334 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [435967637] [2023-11-06 22:22:33,335 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:22:33,335 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:22:33,411 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 22:22:33,412 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1772580773] [2023-11-06 22:22:33,412 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:22:33,412 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:22:33,412 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c4c2731-8f85-4526-8d60-4abe66893795/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:22:33,414 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c4c2731-8f85-4526-8d60-4abe66893795/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:22:33,449 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c4c2731-8f85-4526-8d60-4abe66893795/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-06 22:22:33,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:22:33,620 INFO L262 TraceCheckSpWp]: Trace formula consists of 411 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-06 22:22:33,641 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:22:33,727 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2023-11-06 22:22:33,727 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:22:33,727 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:22:33,727 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [435967637] [2023-11-06 22:22:33,727 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 22:22:33,728 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1772580773] [2023-11-06 22:22:33,728 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1772580773] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:22:33,728 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:22:33,728 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-06 22:22:33,729 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [715509934] [2023-11-06 22:22:33,729 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:22:33,730 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-06 22:22:33,730 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:22:33,731 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-06 22:22:33,732 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-06 22:22:33,732 INFO L87 Difference]: Start difference. First operand 77 states and 115 transitions. Second operand has 4 states, 4 states have (on average 10.75) internal successors, (43), 4 states have internal predecessors, (43), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2023-11-06 22:22:33,971 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:22:33,971 INFO L93 Difference]: Finished difference Result 199 states and 297 transitions. [2023-11-06 22:22:33,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-06 22:22:33,972 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.75) internal successors, (43), 4 states have internal predecessors, (43), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) Word has length 175 [2023-11-06 22:22:33,977 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:22:33,983 INFO L225 Difference]: With dead ends: 199 [2023-11-06 22:22:33,983 INFO L226 Difference]: Without dead ends: 125 [2023-11-06 22:22:33,988 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 175 GetRequests, 172 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-06 22:22:33,990 INFO L413 NwaCegarLoop]: 141 mSDtfsCounter, 83 mSDsluCounter, 201 mSDsCounter, 0 mSdLazyCounter, 84 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 83 SdHoareTripleChecker+Valid, 342 SdHoareTripleChecker+Invalid, 85 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 84 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-06 22:22:33,992 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [83 Valid, 342 Invalid, 85 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 84 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-06 22:22:33,995 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states. [2023-11-06 22:22:34,035 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 122. [2023-11-06 22:22:34,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 122 states, 78 states have (on average 1.2820512820512822) internal successors, (100), 79 states have internal predecessors, (100), 41 states have call successors, (41), 2 states have call predecessors, (41), 2 states have return successors, (41), 40 states have call predecessors, (41), 41 states have call successors, (41) [2023-11-06 22:22:34,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 122 states and 182 transitions. [2023-11-06 22:22:34,040 INFO L78 Accepts]: Start accepts. Automaton has 122 states and 182 transitions. Word has length 175 [2023-11-06 22:22:34,042 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:22:34,042 INFO L495 AbstractCegarLoop]: Abstraction has 122 states and 182 transitions. [2023-11-06 22:22:34,043 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.75) internal successors, (43), 4 states have internal predecessors, (43), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2023-11-06 22:22:34,043 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 182 transitions. [2023-11-06 22:22:34,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2023-11-06 22:22:34,055 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:22:34,056 INFO L195 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:22:34,070 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c4c2731-8f85-4526-8d60-4abe66893795/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-11-06 22:22:34,271 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c4c2731-8f85-4526-8d60-4abe66893795/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:22:34,271 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:22:34,271 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:22:34,272 INFO L85 PathProgramCache]: Analyzing trace with hash -1820121164, now seen corresponding path program 1 times [2023-11-06 22:22:34,272 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:22:34,272 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [209825871] [2023-11-06 22:22:34,272 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:22:34,273 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:22:34,333 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 22:22:34,333 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [808776654] [2023-11-06 22:22:34,334 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:22:34,334 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:22:34,334 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c4c2731-8f85-4526-8d60-4abe66893795/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:22:34,335 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c4c2731-8f85-4526-8d60-4abe66893795/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:22:34,361 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c4c2731-8f85-4526-8d60-4abe66893795/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-11-06 22:22:34,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:22:34,508 INFO L262 TraceCheckSpWp]: Trace formula consists of 409 conjuncts, 14 conjunts are in the unsatisfiable core [2023-11-06 22:22:34,518 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:22:35,995 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2023-11-06 22:22:35,997 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:22:35,997 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:22:35,998 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [209825871] [2023-11-06 22:22:35,998 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 22:22:35,998 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [808776654] [2023-11-06 22:22:35,998 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [808776654] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:22:35,998 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:22:35,999 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-06 22:22:35,999 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1954317428] [2023-11-06 22:22:35,999 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:22:36,001 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-06 22:22:36,002 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:22:36,003 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-06 22:22:36,004 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2023-11-06 22:22:36,004 INFO L87 Difference]: Start difference. First operand 122 states and 182 transitions. Second operand has 8 states, 8 states have (on average 5.375) internal successors, (43), 8 states have internal predecessors, (43), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2023-11-06 22:22:36,535 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:22:36,535 INFO L93 Difference]: Finished difference Result 325 states and 479 transitions. [2023-11-06 22:22:36,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-11-06 22:22:36,536 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 5.375) internal successors, (43), 8 states have internal predecessors, (43), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) Word has length 175 [2023-11-06 22:22:36,538 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:22:36,541 INFO L225 Difference]: With dead ends: 325 [2023-11-06 22:22:36,542 INFO L226 Difference]: Without dead ends: 206 [2023-11-06 22:22:36,543 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 180 GetRequests, 168 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=58, Invalid=124, Unknown=0, NotChecked=0, Total=182 [2023-11-06 22:22:36,544 INFO L413 NwaCegarLoop]: 115 mSDtfsCounter, 159 mSDsluCounter, 257 mSDsCounter, 0 mSdLazyCounter, 142 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 159 SdHoareTripleChecker+Valid, 372 SdHoareTripleChecker+Invalid, 143 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 142 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-06 22:22:36,545 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [159 Valid, 372 Invalid, 143 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 142 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-06 22:22:36,546 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 206 states. [2023-11-06 22:22:36,568 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 206 to 135. [2023-11-06 22:22:36,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 135 states, 91 states have (on average 1.3076923076923077) internal successors, (119), 92 states have internal predecessors, (119), 41 states have call successors, (41), 2 states have call predecessors, (41), 2 states have return successors, (41), 40 states have call predecessors, (41), 41 states have call successors, (41) [2023-11-06 22:22:36,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 135 states and 201 transitions. [2023-11-06 22:22:36,571 INFO L78 Accepts]: Start accepts. Automaton has 135 states and 201 transitions. Word has length 175 [2023-11-06 22:22:36,572 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:22:36,573 INFO L495 AbstractCegarLoop]: Abstraction has 135 states and 201 transitions. [2023-11-06 22:22:36,573 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 5.375) internal successors, (43), 8 states have internal predecessors, (43), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2023-11-06 22:22:36,573 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 201 transitions. [2023-11-06 22:22:36,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2023-11-06 22:22:36,577 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:22:36,577 INFO L195 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:22:36,588 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c4c2731-8f85-4526-8d60-4abe66893795/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-11-06 22:22:36,783 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c4c2731-8f85-4526-8d60-4abe66893795/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:22:36,783 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:22:36,784 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:22:36,784 INFO L85 PathProgramCache]: Analyzing trace with hash 174023542, now seen corresponding path program 1 times [2023-11-06 22:22:36,784 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:22:36,784 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1487154852] [2023-11-06 22:22:36,784 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:22:36,785 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:22:36,855 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 22:22:36,856 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1461264012] [2023-11-06 22:22:36,856 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:22:36,856 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:22:36,856 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c4c2731-8f85-4526-8d60-4abe66893795/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:22:36,866 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c4c2731-8f85-4526-8d60-4abe66893795/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:22:36,887 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c4c2731-8f85-4526-8d60-4abe66893795/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-11-06 22:22:37,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:22:37,037 INFO L262 TraceCheckSpWp]: Trace formula consists of 408 conjuncts, 24 conjunts are in the unsatisfiable core [2023-11-06 22:22:37,045 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:22:38,205 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 420 proven. 132 refuted. 0 times theorem prover too weak. 852 trivial. 0 not checked. [2023-11-06 22:22:38,206 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-06 22:22:39,982 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2023-11-06 22:22:39,983 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:22:39,983 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1487154852] [2023-11-06 22:22:39,983 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 22:22:39,984 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1461264012] [2023-11-06 22:22:39,984 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1461264012] provided 1 perfect and 1 imperfect interpolant sequences [2023-11-06 22:22:39,984 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-06 22:22:39,985 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [14] total 19 [2023-11-06 22:22:39,985 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1557280976] [2023-11-06 22:22:39,985 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:22:39,986 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-06 22:22:39,987 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:22:39,987 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-06 22:22:39,988 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=265, Unknown=0, NotChecked=0, Total=342 [2023-11-06 22:22:39,988 INFO L87 Difference]: Start difference. First operand 135 states and 201 transitions. Second operand has 8 states, 8 states have (on average 5.375) internal successors, (43), 8 states have internal predecessors, (43), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2023-11-06 22:22:40,785 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:22:40,785 INFO L93 Difference]: Finished difference Result 349 states and 514 transitions. [2023-11-06 22:22:40,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-11-06 22:22:40,786 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 5.375) internal successors, (43), 8 states have internal predecessors, (43), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) Word has length 175 [2023-11-06 22:22:40,787 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:22:40,789 INFO L225 Difference]: With dead ends: 349 [2023-11-06 22:22:40,789 INFO L226 Difference]: Without dead ends: 217 [2023-11-06 22:22:40,790 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 354 GetRequests, 331 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 133 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=116, Invalid=484, Unknown=0, NotChecked=0, Total=600 [2023-11-06 22:22:40,791 INFO L413 NwaCegarLoop]: 140 mSDtfsCounter, 146 mSDsluCounter, 286 mSDsCounter, 0 mSdLazyCounter, 167 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 146 SdHoareTripleChecker+Valid, 426 SdHoareTripleChecker+Invalid, 169 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 167 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-11-06 22:22:40,792 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [146 Valid, 426 Invalid, 169 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 167 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-11-06 22:22:40,797 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 217 states. [2023-11-06 22:22:40,814 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 217 to 140. [2023-11-06 22:22:40,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 140 states, 96 states have (on average 1.3125) internal successors, (126), 97 states have internal predecessors, (126), 41 states have call successors, (41), 2 states have call predecessors, (41), 2 states have return successors, (41), 40 states have call predecessors, (41), 41 states have call successors, (41) [2023-11-06 22:22:40,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 140 states and 208 transitions. [2023-11-06 22:22:40,817 INFO L78 Accepts]: Start accepts. Automaton has 140 states and 208 transitions. Word has length 175 [2023-11-06 22:22:40,818 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:22:40,818 INFO L495 AbstractCegarLoop]: Abstraction has 140 states and 208 transitions. [2023-11-06 22:22:40,818 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 5.375) internal successors, (43), 8 states have internal predecessors, (43), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2023-11-06 22:22:40,818 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 208 transitions. [2023-11-06 22:22:40,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2023-11-06 22:22:40,821 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:22:40,821 INFO L195 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:22:40,833 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c4c2731-8f85-4526-8d60-4abe66893795/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-11-06 22:22:41,027 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c4c2731-8f85-4526-8d60-4abe66893795/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:22:41,028 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:22:41,028 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:22:41,029 INFO L85 PathProgramCache]: Analyzing trace with hash 581382269, now seen corresponding path program 1 times [2023-11-06 22:22:41,029 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:22:41,029 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [902514657] [2023-11-06 22:22:41,029 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:22:41,029 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:22:41,088 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 22:22:41,092 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1260256819] [2023-11-06 22:22:41,092 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:22:41,092 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:22:41,093 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c4c2731-8f85-4526-8d60-4abe66893795/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:22:41,094 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c4c2731-8f85-4526-8d60-4abe66893795/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:22:41,125 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c4c2731-8f85-4526-8d60-4abe66893795/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-11-06 22:22:41,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:22:41,267 INFO L262 TraceCheckSpWp]: Trace formula consists of 412 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-06 22:22:41,271 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:22:41,328 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2023-11-06 22:22:41,328 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:22:41,328 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:22:41,329 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [902514657] [2023-11-06 22:22:41,329 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 22:22:41,329 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1260256819] [2023-11-06 22:22:41,329 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1260256819] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:22:41,329 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:22:41,329 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-06 22:22:41,330 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [835372232] [2023-11-06 22:22:41,330 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:22:41,330 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-06 22:22:41,330 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:22:41,331 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-06 22:22:41,331 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-11-06 22:22:41,332 INFO L87 Difference]: Start difference. First operand 140 states and 208 transitions. Second operand has 6 states, 6 states have (on average 7.333333333333333) internal successors, (44), 6 states have internal predecessors, (44), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2023-11-06 22:22:41,695 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:22:41,695 INFO L93 Difference]: Finished difference Result 381 states and 567 transitions. [2023-11-06 22:22:41,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-06 22:22:41,696 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.333333333333333) internal successors, (44), 6 states have internal predecessors, (44), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) Word has length 176 [2023-11-06 22:22:41,697 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:22:41,699 INFO L225 Difference]: With dead ends: 381 [2023-11-06 22:22:41,700 INFO L226 Difference]: Without dead ends: 244 [2023-11-06 22:22:41,700 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 177 GetRequests, 171 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2023-11-06 22:22:41,701 INFO L413 NwaCegarLoop]: 204 mSDtfsCounter, 234 mSDsluCounter, 326 mSDsCounter, 0 mSdLazyCounter, 227 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 234 SdHoareTripleChecker+Valid, 530 SdHoareTripleChecker+Invalid, 255 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 227 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-06 22:22:41,702 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [234 Valid, 530 Invalid, 255 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 227 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-06 22:22:41,703 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 244 states. [2023-11-06 22:22:41,724 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 244 to 147. [2023-11-06 22:22:41,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 147 states, 103 states have (on average 1.3300970873786409) internal successors, (137), 104 states have internal predecessors, (137), 41 states have call successors, (41), 2 states have call predecessors, (41), 2 states have return successors, (41), 40 states have call predecessors, (41), 41 states have call successors, (41) [2023-11-06 22:22:41,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 147 states and 219 transitions. [2023-11-06 22:22:41,728 INFO L78 Accepts]: Start accepts. Automaton has 147 states and 219 transitions. Word has length 176 [2023-11-06 22:22:41,729 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:22:41,730 INFO L495 AbstractCegarLoop]: Abstraction has 147 states and 219 transitions. [2023-11-06 22:22:41,730 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.333333333333333) internal successors, (44), 6 states have internal predecessors, (44), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2023-11-06 22:22:41,730 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 219 transitions. [2023-11-06 22:22:41,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2023-11-06 22:22:41,732 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:22:41,733 INFO L195 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:22:41,744 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c4c2731-8f85-4526-8d60-4abe66893795/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2023-11-06 22:22:41,939 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c4c2731-8f85-4526-8d60-4abe66893795/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:22:41,940 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:22:41,940 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:22:41,940 INFO L85 PathProgramCache]: Analyzing trace with hash -227964357, now seen corresponding path program 1 times [2023-11-06 22:22:41,940 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:22:41,940 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1545914516] [2023-11-06 22:22:41,940 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:22:41,940 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:22:41,989 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 22:22:41,999 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [88829543] [2023-11-06 22:22:41,999 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:22:42,000 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:22:42,000 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c4c2731-8f85-4526-8d60-4abe66893795/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:22:42,002 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c4c2731-8f85-4526-8d60-4abe66893795/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:22:42,031 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c4c2731-8f85-4526-8d60-4abe66893795/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-11-06 22:22:42,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:22:42,192 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-06 22:22:42,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:22:42,366 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-06 22:22:42,367 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-06 22:22:42,368 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-06 22:22:42,386 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c4c2731-8f85-4526-8d60-4abe66893795/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2023-11-06 22:22:42,576 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c4c2731-8f85-4526-8d60-4abe66893795/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2023-11-06 22:22:42,579 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2023-11-06 22:22:42,582 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-06 22:22:42,734 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.11 10:22:42 BoogieIcfgContainer [2023-11-06 22:22:42,734 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-06 22:22:42,735 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-06 22:22:42,735 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-06 22:22:42,735 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-06 22:22:42,736 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:22:32" (3/4) ... [2023-11-06 22:22:42,738 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-06 22:22:42,739 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-06 22:22:42,739 INFO L158 Benchmark]: Toolchain (without parser) took 11974.57ms. Allocated memory was 142.6MB in the beginning and 243.3MB in the end (delta: 100.7MB). Free memory was 97.6MB in the beginning and 178.9MB in the end (delta: -81.3MB). Peak memory consumption was 21.2MB. Max. memory is 16.1GB. [2023-11-06 22:22:42,740 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 142.6MB. Free memory was 117.9MB in the beginning and 117.8MB in the end (delta: 149.1kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 22:22:42,740 INFO L158 Benchmark]: CACSL2BoogieTranslator took 378.78ms. Allocated memory is still 142.6MB. Free memory was 97.3MB in the beginning and 83.3MB in the end (delta: 14.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-06 22:22:42,740 INFO L158 Benchmark]: Boogie Procedure Inliner took 80.07ms. Allocated memory is still 142.6MB. Free memory was 83.3MB in the beginning and 80.2MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-06 22:22:42,741 INFO L158 Benchmark]: Boogie Preprocessor took 61.39ms. Allocated memory is still 142.6MB. Free memory was 80.2MB in the beginning and 78.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-06 22:22:42,741 INFO L158 Benchmark]: RCFGBuilder took 716.73ms. Allocated memory was 142.6MB in the beginning and 201.3MB in the end (delta: 58.7MB). Free memory was 78.1MB in the beginning and 165.7MB in the end (delta: -87.6MB). Peak memory consumption was 23.9MB. Max. memory is 16.1GB. [2023-11-06 22:22:42,742 INFO L158 Benchmark]: TraceAbstraction took 10725.70ms. Allocated memory was 201.3MB in the beginning and 243.3MB in the end (delta: 41.9MB). Free memory was 164.6MB in the beginning and 178.9MB in the end (delta: -14.3MB). Peak memory consumption was 26.6MB. Max. memory is 16.1GB. [2023-11-06 22:22:42,742 INFO L158 Benchmark]: Witness Printer took 4.03ms. Allocated memory is still 243.3MB. Free memory is still 178.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 22:22:42,744 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 142.6MB. Free memory was 117.9MB in the beginning and 117.8MB in the end (delta: 149.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 378.78ms. Allocated memory is still 142.6MB. Free memory was 97.3MB in the beginning and 83.3MB in the end (delta: 14.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 80.07ms. Allocated memory is still 142.6MB. Free memory was 83.3MB in the beginning and 80.2MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 61.39ms. Allocated memory is still 142.6MB. Free memory was 80.2MB in the beginning and 78.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 716.73ms. Allocated memory was 142.6MB in the beginning and 201.3MB in the end (delta: 58.7MB). Free memory was 78.1MB in the beginning and 165.7MB in the end (delta: -87.6MB). Peak memory consumption was 23.9MB. Max. memory is 16.1GB. * TraceAbstraction took 10725.70ms. Allocated memory was 201.3MB in the beginning and 243.3MB in the end (delta: 41.9MB). Free memory was 164.6MB in the beginning and 178.9MB in the end (delta: -14.3MB). Peak memory consumption was 26.6MB. Max. memory is 16.1GB. * Witness Printer took 4.03ms. Allocated memory is still 243.3MB. Free memory is still 178.9MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 140, overapproximation of someBinaryDOUBLEComparisonOperation at line 140, overapproximation of someUnaryFLOAToperation at line 80, overapproximation of someBinaryArithmeticFLOAToperation at line 80. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned char var_1_1 = 1; [L23] unsigned char var_1_2 = 1; [L24] unsigned char var_1_3 = 1; [L25] unsigned char var_1_4 = 0; [L26] unsigned char var_1_5 = 0; [L27] unsigned short int var_1_6 = 25; [L28] signed char var_1_7 = 5; [L29] signed char var_1_8 = -5; [L30] double var_1_9 = 999.625; [L31] double var_1_10 = 5.06; [L32] unsigned short int var_1_11 = 5; [L33] signed short int var_1_12 = 2; [L34] signed long int var_1_13 = -256; [L35] double var_1_14 = 127.75; [L36] double var_1_15 = 9.75; [L37] float var_1_16 = 32.8; [L38] float var_1_17 = 32.5; [L39] float var_1_18 = 1.75; [L40] float var_1_19 = 1000000000000000.4; [L41] float var_1_20 = 0.875; [L42] unsigned char var_1_21 = 0; [L43] unsigned char var_1_22 = 0; [L44] signed short int var_1_23 = 64; [L45] signed short int var_1_24 = 25; [L46] signed short int var_1_25 = 0; VAL [isInitial=0, var_1_10=253/50, var_1_11=5, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_15=39/4, var_1_16=164/5, var_1_17=65/2, var_1_18=7/4, var_1_19=5000000000000002/5, var_1_1=1, var_1_20=7/8, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=25, var_1_25=0, var_1_2=1, var_1_3=1, var_1_4=0, var_1_5=0, var_1_6=25, var_1_7=5, var_1_8=-5, var_1_9=7997/8] [L144] isInitial = 1 [L145] FCALL initially() [L146] COND TRUE 1 [L147] FCALL updateLastVariables() [L148] CALL updateVariables() [L92] var_1_2 = __VERIFIER_nondet_uchar() [L93] CALL assume_abort_if_not(var_1_2 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=253/50, var_1_11=5, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_15=39/4, var_1_16=164/5, var_1_17=65/2, var_1_18=7/4, var_1_19=5000000000000002/5, var_1_1=1, var_1_20=7/8, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=25, var_1_25=0, var_1_3=1, var_1_4=0, var_1_5=0, var_1_6=25, var_1_7=5, var_1_8=-5, var_1_9=7997/8] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=253/50, var_1_11=5, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_15=39/4, var_1_16=164/5, var_1_17=65/2, var_1_18=7/4, var_1_19=5000000000000002/5, var_1_1=1, var_1_20=7/8, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=25, var_1_25=0, var_1_3=1, var_1_4=0, var_1_5=0, var_1_6=25, var_1_7=5, var_1_8=-5, var_1_9=7997/8] [L93] RET assume_abort_if_not(var_1_2 >= 0) VAL [isInitial=1, var_1_10=253/50, var_1_11=5, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_15=39/4, var_1_16=164/5, var_1_17=65/2, var_1_18=7/4, var_1_19=5000000000000002/5, var_1_1=1, var_1_20=7/8, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=25, var_1_25=0, var_1_3=1, var_1_4=0, var_1_5=0, var_1_6=25, var_1_7=5, var_1_8=-5, var_1_9=7997/8] [L94] CALL assume_abort_if_not(var_1_2 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=253/50, var_1_11=5, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_15=39/4, var_1_16=164/5, var_1_17=65/2, var_1_18=7/4, var_1_19=5000000000000002/5, var_1_1=1, var_1_20=7/8, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=25, var_1_25=0, var_1_2=0, var_1_3=1, var_1_4=0, var_1_5=0, var_1_6=25, var_1_7=5, var_1_8=-5, var_1_9=7997/8] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=253/50, var_1_11=5, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_15=39/4, var_1_16=164/5, var_1_17=65/2, var_1_18=7/4, var_1_19=5000000000000002/5, var_1_1=1, var_1_20=7/8, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=25, var_1_25=0, var_1_2=0, var_1_3=1, var_1_4=0, var_1_5=0, var_1_6=25, var_1_7=5, var_1_8=-5, var_1_9=7997/8] [L94] RET assume_abort_if_not(var_1_2 <= 1) VAL [isInitial=1, var_1_10=253/50, var_1_11=5, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_15=39/4, var_1_16=164/5, var_1_17=65/2, var_1_18=7/4, var_1_19=5000000000000002/5, var_1_1=1, var_1_20=7/8, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=25, var_1_25=0, var_1_2=0, var_1_3=1, var_1_4=0, var_1_5=0, var_1_6=25, var_1_7=5, var_1_8=-5, var_1_9=7997/8] [L95] var_1_3 = __VERIFIER_nondet_uchar() [L96] CALL assume_abort_if_not(var_1_3 >= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=253/50, var_1_11=5, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_15=39/4, var_1_16=164/5, var_1_17=65/2, var_1_18=7/4, var_1_19=5000000000000002/5, var_1_1=1, var_1_20=7/8, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=25, var_1_25=0, var_1_2=0, var_1_3=1, var_1_4=0, var_1_5=0, var_1_6=25, var_1_7=5, var_1_8=-5, var_1_9=7997/8] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=253/50, var_1_11=5, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_15=39/4, var_1_16=164/5, var_1_17=65/2, var_1_18=7/4, var_1_19=5000000000000002/5, var_1_1=1, var_1_20=7/8, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=25, var_1_25=0, var_1_2=0, var_1_3=1, var_1_4=0, var_1_5=0, var_1_6=25, var_1_7=5, var_1_8=-5, var_1_9=7997/8] [L96] RET assume_abort_if_not(var_1_3 >= 1) VAL [isInitial=1, var_1_10=253/50, var_1_11=5, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_15=39/4, var_1_16=164/5, var_1_17=65/2, var_1_18=7/4, var_1_19=5000000000000002/5, var_1_1=1, var_1_20=7/8, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=25, var_1_25=0, var_1_2=0, var_1_3=1, var_1_4=0, var_1_5=0, var_1_6=25, var_1_7=5, var_1_8=-5, var_1_9=7997/8] [L97] CALL assume_abort_if_not(var_1_3 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=253/50, var_1_11=5, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_15=39/4, var_1_16=164/5, var_1_17=65/2, var_1_18=7/4, var_1_19=5000000000000002/5, var_1_1=1, var_1_20=7/8, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=25, var_1_25=0, var_1_2=0, var_1_3=1, var_1_4=0, var_1_5=0, var_1_6=25, var_1_7=5, var_1_8=-5, var_1_9=7997/8] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=253/50, var_1_11=5, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_15=39/4, var_1_16=164/5, var_1_17=65/2, var_1_18=7/4, var_1_19=5000000000000002/5, var_1_1=1, var_1_20=7/8, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=25, var_1_25=0, var_1_2=0, var_1_3=1, var_1_4=0, var_1_5=0, var_1_6=25, var_1_7=5, var_1_8=-5, var_1_9=7997/8] [L97] RET assume_abort_if_not(var_1_3 <= 1) VAL [isInitial=1, var_1_10=253/50, var_1_11=5, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_15=39/4, var_1_16=164/5, var_1_17=65/2, var_1_18=7/4, var_1_19=5000000000000002/5, var_1_1=1, var_1_20=7/8, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=25, var_1_25=0, var_1_2=0, var_1_3=1, var_1_4=0, var_1_5=0, var_1_6=25, var_1_7=5, var_1_8=-5, var_1_9=7997/8] [L98] var_1_4 = __VERIFIER_nondet_uchar() [L99] CALL assume_abort_if_not(var_1_4 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=253/50, var_1_11=5, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_15=39/4, var_1_16=164/5, var_1_17=65/2, var_1_18=7/4, var_1_19=5000000000000002/5, var_1_1=1, var_1_20=7/8, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=25, var_1_25=0, var_1_2=0, var_1_3=1, var_1_4=0, var_1_5=0, var_1_6=25, var_1_7=5, var_1_8=-5, var_1_9=7997/8] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=253/50, var_1_11=5, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_15=39/4, var_1_16=164/5, var_1_17=65/2, var_1_18=7/4, var_1_19=5000000000000002/5, var_1_1=1, var_1_20=7/8, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=25, var_1_25=0, var_1_2=0, var_1_3=1, var_1_4=0, var_1_5=0, var_1_6=25, var_1_7=5, var_1_8=-5, var_1_9=7997/8] [L99] RET assume_abort_if_not(var_1_4 >= 0) VAL [isInitial=1, var_1_10=253/50, var_1_11=5, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_15=39/4, var_1_16=164/5, var_1_17=65/2, var_1_18=7/4, var_1_19=5000000000000002/5, var_1_1=1, var_1_20=7/8, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=25, var_1_25=0, var_1_2=0, var_1_3=1, var_1_4=0, var_1_5=0, var_1_6=25, var_1_7=5, var_1_8=-5, var_1_9=7997/8] [L100] CALL assume_abort_if_not(var_1_4 <= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=253/50, var_1_11=5, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_15=39/4, var_1_16=164/5, var_1_17=65/2, var_1_18=7/4, var_1_19=5000000000000002/5, var_1_1=1, var_1_20=7/8, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=25, var_1_25=0, var_1_2=0, var_1_3=1, var_1_4=0, var_1_5=0, var_1_6=25, var_1_7=5, var_1_8=-5, var_1_9=7997/8] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=253/50, var_1_11=5, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_15=39/4, var_1_16=164/5, var_1_17=65/2, var_1_18=7/4, var_1_19=5000000000000002/5, var_1_1=1, var_1_20=7/8, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=25, var_1_25=0, var_1_2=0, var_1_3=1, var_1_4=0, var_1_5=0, var_1_6=25, var_1_7=5, var_1_8=-5, var_1_9=7997/8] [L100] RET assume_abort_if_not(var_1_4 <= 0) VAL [isInitial=1, var_1_10=253/50, var_1_11=5, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_15=39/4, var_1_16=164/5, var_1_17=65/2, var_1_18=7/4, var_1_19=5000000000000002/5, var_1_1=1, var_1_20=7/8, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=25, var_1_25=0, var_1_2=0, var_1_3=1, var_1_4=0, var_1_5=0, var_1_6=25, var_1_7=5, var_1_8=-5, var_1_9=7997/8] [L101] var_1_5 = __VERIFIER_nondet_uchar() [L102] CALL assume_abort_if_not(var_1_5 >= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=253/50, var_1_11=5, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_15=39/4, var_1_16=164/5, var_1_17=65/2, var_1_18=7/4, var_1_19=5000000000000002/5, var_1_1=1, var_1_20=7/8, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=25, var_1_25=0, var_1_2=0, var_1_3=1, var_1_4=0, var_1_5=1, var_1_6=25, var_1_7=5, var_1_8=-5, var_1_9=7997/8] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=253/50, var_1_11=5, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_15=39/4, var_1_16=164/5, var_1_17=65/2, var_1_18=7/4, var_1_19=5000000000000002/5, var_1_1=1, var_1_20=7/8, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=25, var_1_25=0, var_1_2=0, var_1_3=1, var_1_4=0, var_1_5=1, var_1_6=25, var_1_7=5, var_1_8=-5, var_1_9=7997/8] [L102] RET assume_abort_if_not(var_1_5 >= 1) VAL [isInitial=1, var_1_10=253/50, var_1_11=5, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_15=39/4, var_1_16=164/5, var_1_17=65/2, var_1_18=7/4, var_1_19=5000000000000002/5, var_1_1=1, var_1_20=7/8, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=25, var_1_25=0, var_1_2=0, var_1_3=1, var_1_4=0, var_1_5=1, var_1_6=25, var_1_7=5, var_1_8=-5, var_1_9=7997/8] [L103] CALL assume_abort_if_not(var_1_5 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=253/50, var_1_11=5, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_15=39/4, var_1_16=164/5, var_1_17=65/2, var_1_18=7/4, var_1_19=5000000000000002/5, var_1_1=1, var_1_20=7/8, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=25, var_1_25=0, var_1_2=0, var_1_3=1, var_1_4=0, var_1_5=1, var_1_6=25, var_1_7=5, var_1_8=-5, var_1_9=7997/8] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=253/50, var_1_11=5, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_15=39/4, var_1_16=164/5, var_1_17=65/2, var_1_18=7/4, var_1_19=5000000000000002/5, var_1_1=1, var_1_20=7/8, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=25, var_1_25=0, var_1_2=0, var_1_3=1, var_1_4=0, var_1_5=1, var_1_6=25, var_1_7=5, var_1_8=-5, var_1_9=7997/8] [L103] RET assume_abort_if_not(var_1_5 <= 1) VAL [isInitial=1, var_1_10=253/50, var_1_11=5, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_15=39/4, var_1_16=164/5, var_1_17=65/2, var_1_18=7/4, var_1_19=5000000000000002/5, var_1_1=1, var_1_20=7/8, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=25, var_1_25=0, var_1_2=0, var_1_3=1, var_1_4=0, var_1_5=1, var_1_6=25, var_1_7=5, var_1_8=-5, var_1_9=7997/8] [L104] var_1_7 = __VERIFIER_nondet_char() [L105] CALL assume_abort_if_not(var_1_7 >= -128) VAL [\old(cond)=1, isInitial=1, var_1_10=253/50, var_1_11=5, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_15=39/4, var_1_16=164/5, var_1_17=65/2, var_1_18=7/4, var_1_19=5000000000000002/5, var_1_1=1, var_1_20=7/8, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=25, var_1_25=0, var_1_2=0, var_1_3=1, var_1_4=0, var_1_5=1, var_1_6=25, var_1_7=31, var_1_8=-5, var_1_9=7997/8] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=253/50, var_1_11=5, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_15=39/4, var_1_16=164/5, var_1_17=65/2, var_1_18=7/4, var_1_19=5000000000000002/5, var_1_1=1, var_1_20=7/8, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=25, var_1_25=0, var_1_2=0, var_1_3=1, var_1_4=0, var_1_5=1, var_1_6=25, var_1_7=31, var_1_8=-5, var_1_9=7997/8] [L105] RET assume_abort_if_not(var_1_7 >= -128) VAL [isInitial=1, var_1_10=253/50, var_1_11=5, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_15=39/4, var_1_16=164/5, var_1_17=65/2, var_1_18=7/4, var_1_19=5000000000000002/5, var_1_1=1, var_1_20=7/8, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=25, var_1_25=0, var_1_2=0, var_1_3=1, var_1_4=0, var_1_5=1, var_1_6=25, var_1_7=31, var_1_8=-5, var_1_9=7997/8] [L106] CALL assume_abort_if_not(var_1_7 <= 127) VAL [\old(cond)=1, isInitial=1, var_1_10=253/50, var_1_11=5, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_15=39/4, var_1_16=164/5, var_1_17=65/2, var_1_18=7/4, var_1_19=5000000000000002/5, var_1_1=1, var_1_20=7/8, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=25, var_1_25=0, var_1_2=0, var_1_3=1, var_1_4=0, var_1_5=1, var_1_6=25, var_1_7=31, var_1_8=-5, var_1_9=7997/8] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=253/50, var_1_11=5, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_15=39/4, var_1_16=164/5, var_1_17=65/2, var_1_18=7/4, var_1_19=5000000000000002/5, var_1_1=1, var_1_20=7/8, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=25, var_1_25=0, var_1_2=0, var_1_3=1, var_1_4=0, var_1_5=1, var_1_6=25, var_1_7=31, var_1_8=-5, var_1_9=7997/8] [L106] RET assume_abort_if_not(var_1_7 <= 127) VAL [isInitial=1, var_1_10=253/50, var_1_11=5, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_15=39/4, var_1_16=164/5, var_1_17=65/2, var_1_18=7/4, var_1_19=5000000000000002/5, var_1_1=1, var_1_20=7/8, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=25, var_1_25=0, var_1_2=0, var_1_3=1, var_1_4=0, var_1_5=1, var_1_6=25, var_1_7=31, var_1_8=-5, var_1_9=7997/8] [L107] var_1_8 = __VERIFIER_nondet_char() [L108] CALL assume_abort_if_not(var_1_8 >= -128) VAL [\old(cond)=1, isInitial=1, var_1_10=253/50, var_1_11=5, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_15=39/4, var_1_16=164/5, var_1_17=65/2, var_1_18=7/4, var_1_19=5000000000000002/5, var_1_1=1, var_1_20=7/8, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=25, var_1_25=0, var_1_2=0, var_1_3=1, var_1_4=0, var_1_5=1, var_1_6=25, var_1_7=31, var_1_8=0, var_1_9=7997/8] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=253/50, var_1_11=5, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_15=39/4, var_1_16=164/5, var_1_17=65/2, var_1_18=7/4, var_1_19=5000000000000002/5, var_1_1=1, var_1_20=7/8, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=25, var_1_25=0, var_1_2=0, var_1_3=1, var_1_4=0, var_1_5=1, var_1_6=25, var_1_7=31, var_1_8=0, var_1_9=7997/8] [L108] RET assume_abort_if_not(var_1_8 >= -128) VAL [isInitial=1, var_1_10=253/50, var_1_11=5, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_15=39/4, var_1_16=164/5, var_1_17=65/2, var_1_18=7/4, var_1_19=5000000000000002/5, var_1_1=1, var_1_20=7/8, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=25, var_1_25=0, var_1_2=0, var_1_3=1, var_1_4=0, var_1_5=1, var_1_6=25, var_1_7=31, var_1_8=0, var_1_9=7997/8] [L109] CALL assume_abort_if_not(var_1_8 <= 127) VAL [\old(cond)=1, isInitial=1, var_1_10=253/50, var_1_11=5, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_15=39/4, var_1_16=164/5, var_1_17=65/2, var_1_18=7/4, var_1_19=5000000000000002/5, var_1_1=1, var_1_20=7/8, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=25, var_1_25=0, var_1_2=0, var_1_3=1, var_1_4=0, var_1_5=1, var_1_6=25, var_1_7=31, var_1_8=0, var_1_9=7997/8] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=253/50, var_1_11=5, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_15=39/4, var_1_16=164/5, var_1_17=65/2, var_1_18=7/4, var_1_19=5000000000000002/5, var_1_1=1, var_1_20=7/8, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=25, var_1_25=0, var_1_2=0, var_1_3=1, var_1_4=0, var_1_5=1, var_1_6=25, var_1_7=31, var_1_8=0, var_1_9=7997/8] [L109] RET assume_abort_if_not(var_1_8 <= 127) VAL [isInitial=1, var_1_10=253/50, var_1_11=5, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_15=39/4, var_1_16=164/5, var_1_17=65/2, var_1_18=7/4, var_1_19=5000000000000002/5, var_1_1=1, var_1_20=7/8, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=25, var_1_25=0, var_1_2=0, var_1_3=1, var_1_4=0, var_1_5=1, var_1_6=25, var_1_7=31, var_1_8=0, var_1_9=7997/8] [L110] var_1_9 = __VERIFIER_nondet_double() [L111] CALL assume_abort_if_not((var_1_9 >= 0.0F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 9223372.036854776000e+12F && var_1_9 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=253/50, var_1_11=5, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_15=39/4, var_1_16=164/5, var_1_17=65/2, var_1_18=7/4, var_1_19=5000000000000002/5, var_1_1=1, var_1_20=7/8, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=25, var_1_25=0, var_1_2=0, var_1_3=1, var_1_4=0, var_1_5=1, var_1_6=25, var_1_7=31, var_1_8=0, var_1_9=2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=253/50, var_1_11=5, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_15=39/4, var_1_16=164/5, var_1_17=65/2, var_1_18=7/4, var_1_19=5000000000000002/5, var_1_1=1, var_1_20=7/8, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=25, var_1_25=0, var_1_2=0, var_1_3=1, var_1_4=0, var_1_5=1, var_1_6=25, var_1_7=31, var_1_8=0, var_1_9=2] [L111] RET assume_abort_if_not((var_1_9 >= 0.0F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 9223372.036854776000e+12F && var_1_9 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=253/50, var_1_11=5, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_15=39/4, var_1_16=164/5, var_1_17=65/2, var_1_18=7/4, var_1_19=5000000000000002/5, var_1_1=1, var_1_20=7/8, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=25, var_1_25=0, var_1_2=0, var_1_3=1, var_1_4=0, var_1_5=1, var_1_6=25, var_1_7=31, var_1_8=0, var_1_9=2] [L112] var_1_10 = __VERIFIER_nondet_double() [L113] CALL assume_abort_if_not((var_1_10 >= -922337.2036854776000e+13F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 9223372.036854776000e+12F && var_1_10 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=3, var_1_11=5, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_15=39/4, var_1_16=164/5, var_1_17=65/2, var_1_18=7/4, var_1_19=5000000000000002/5, var_1_1=1, var_1_20=7/8, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=25, var_1_25=0, var_1_2=0, var_1_3=1, var_1_4=0, var_1_5=1, var_1_6=25, var_1_7=31, var_1_8=0, var_1_9=2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=3, var_1_11=5, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_15=39/4, var_1_16=164/5, var_1_17=65/2, var_1_18=7/4, var_1_19=5000000000000002/5, var_1_1=1, var_1_20=7/8, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=25, var_1_25=0, var_1_2=0, var_1_3=1, var_1_4=0, var_1_5=1, var_1_6=25, var_1_7=31, var_1_8=0, var_1_9=2] [L113] RET assume_abort_if_not((var_1_10 >= -922337.2036854776000e+13F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 9223372.036854776000e+12F && var_1_10 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=3, var_1_11=5, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_15=39/4, var_1_16=164/5, var_1_17=65/2, var_1_18=7/4, var_1_19=5000000000000002/5, var_1_1=1, var_1_20=7/8, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=25, var_1_25=0, var_1_2=0, var_1_3=1, var_1_4=0, var_1_5=1, var_1_6=25, var_1_7=31, var_1_8=0, var_1_9=2] [L114] var_1_11 = __VERIFIER_nondet_ushort() [L115] CALL assume_abort_if_not(var_1_11 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=3, var_1_11=201, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_15=39/4, var_1_16=164/5, var_1_17=65/2, var_1_18=7/4, var_1_19=5000000000000002/5, var_1_1=1, var_1_20=7/8, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=25, var_1_25=0, var_1_2=0, var_1_3=1, var_1_4=0, var_1_5=1, var_1_6=25, var_1_7=31, var_1_8=0, var_1_9=2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=3, var_1_11=201, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_15=39/4, var_1_16=164/5, var_1_17=65/2, var_1_18=7/4, var_1_19=5000000000000002/5, var_1_1=1, var_1_20=7/8, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=25, var_1_25=0, var_1_2=0, var_1_3=1, var_1_4=0, var_1_5=1, var_1_6=25, var_1_7=31, var_1_8=0, var_1_9=2] [L115] RET assume_abort_if_not(var_1_11 >= 0) VAL [isInitial=1, var_1_10=3, var_1_11=201, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_15=39/4, var_1_16=164/5, var_1_17=65/2, var_1_18=7/4, var_1_19=5000000000000002/5, var_1_1=1, var_1_20=7/8, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=25, var_1_25=0, var_1_2=0, var_1_3=1, var_1_4=0, var_1_5=1, var_1_6=25, var_1_7=31, var_1_8=0, var_1_9=2] [L116] CALL assume_abort_if_not(var_1_11 <= 65534) VAL [\old(cond)=1, isInitial=1, var_1_10=3, var_1_11=201, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_15=39/4, var_1_16=164/5, var_1_17=65/2, var_1_18=7/4, var_1_19=5000000000000002/5, var_1_1=1, var_1_20=7/8, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=25, var_1_25=0, var_1_2=0, var_1_3=1, var_1_4=0, var_1_5=1, var_1_6=25, var_1_7=31, var_1_8=0, var_1_9=2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=3, var_1_11=201, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_15=39/4, var_1_16=164/5, var_1_17=65/2, var_1_18=7/4, var_1_19=5000000000000002/5, var_1_1=1, var_1_20=7/8, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=25, var_1_25=0, var_1_2=0, var_1_3=1, var_1_4=0, var_1_5=1, var_1_6=25, var_1_7=31, var_1_8=0, var_1_9=2] [L116] RET assume_abort_if_not(var_1_11 <= 65534) VAL [isInitial=1, var_1_10=3, var_1_11=201, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_15=39/4, var_1_16=164/5, var_1_17=65/2, var_1_18=7/4, var_1_19=5000000000000002/5, var_1_1=1, var_1_20=7/8, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=25, var_1_25=0, var_1_2=0, var_1_3=1, var_1_4=0, var_1_5=1, var_1_6=25, var_1_7=31, var_1_8=0, var_1_9=2] [L117] var_1_15 = __VERIFIER_nondet_double() [L118] CALL assume_abort_if_not((var_1_15 >= -922337.2036854765600e+13F && var_1_15 <= -1.0e-20F) || (var_1_15 <= 9223372.036854765600e+12F && var_1_15 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=3, var_1_11=201, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_15=4, var_1_16=164/5, var_1_17=65/2, var_1_18=7/4, var_1_19=5000000000000002/5, var_1_1=1, var_1_20=7/8, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=25, var_1_25=0, var_1_2=0, var_1_3=1, var_1_4=0, var_1_5=1, var_1_6=25, var_1_7=31, var_1_8=0, var_1_9=2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=3, var_1_11=201, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_15=4, var_1_16=164/5, var_1_17=65/2, var_1_18=7/4, var_1_19=5000000000000002/5, var_1_1=1, var_1_20=7/8, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=25, var_1_25=0, var_1_2=0, var_1_3=1, var_1_4=0, var_1_5=1, var_1_6=25, var_1_7=31, var_1_8=0, var_1_9=2] [L118] RET assume_abort_if_not((var_1_15 >= -922337.2036854765600e+13F && var_1_15 <= -1.0e-20F) || (var_1_15 <= 9223372.036854765600e+12F && var_1_15 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=3, var_1_11=201, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_15=4, var_1_16=164/5, var_1_17=65/2, var_1_18=7/4, var_1_19=5000000000000002/5, var_1_1=1, var_1_20=7/8, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=25, var_1_25=0, var_1_2=0, var_1_3=1, var_1_4=0, var_1_5=1, var_1_6=25, var_1_7=31, var_1_8=0, var_1_9=2] [L119] var_1_17 = __VERIFIER_nondet_float() [L120] CALL assume_abort_if_not((var_1_17 >= -230584.3009213691390e+13F && var_1_17 <= -1.0e-20F) || (var_1_17 <= 2305843.009213691390e+12F && var_1_17 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=3, var_1_11=201, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_15=4, var_1_16=164/5, var_1_17=5, var_1_18=7/4, var_1_19=5000000000000002/5, var_1_1=1, var_1_20=7/8, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=25, var_1_25=0, var_1_2=0, var_1_3=1, var_1_4=0, var_1_5=1, var_1_6=25, var_1_7=31, var_1_8=0, var_1_9=2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=3, var_1_11=201, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_15=4, var_1_16=164/5, var_1_17=5, var_1_18=7/4, var_1_19=5000000000000002/5, var_1_1=1, var_1_20=7/8, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=25, var_1_25=0, var_1_2=0, var_1_3=1, var_1_4=0, var_1_5=1, var_1_6=25, var_1_7=31, var_1_8=0, var_1_9=2] [L120] RET assume_abort_if_not((var_1_17 >= -230584.3009213691390e+13F && var_1_17 <= -1.0e-20F) || (var_1_17 <= 2305843.009213691390e+12F && var_1_17 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=3, var_1_11=201, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_15=4, var_1_16=164/5, var_1_17=5, var_1_18=7/4, var_1_19=5000000000000002/5, var_1_1=1, var_1_20=7/8, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=25, var_1_25=0, var_1_2=0, var_1_3=1, var_1_4=0, var_1_5=1, var_1_6=25, var_1_7=31, var_1_8=0, var_1_9=2] [L121] var_1_18 = __VERIFIER_nondet_float() [L122] CALL assume_abort_if_not((var_1_18 >= -230584.3009213691390e+13F && var_1_18 <= -1.0e-20F) || (var_1_18 <= 2305843.009213691390e+12F && var_1_18 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=3, var_1_11=201, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_15=4, var_1_16=164/5, var_1_17=5, var_1_18=6, var_1_19=5000000000000002/5, var_1_1=1, var_1_20=7/8, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=25, var_1_25=0, var_1_2=0, var_1_3=1, var_1_4=0, var_1_5=1, var_1_6=25, var_1_7=31, var_1_8=0, var_1_9=2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=3, var_1_11=201, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_15=4, var_1_16=164/5, var_1_17=5, var_1_18=6, var_1_19=5000000000000002/5, var_1_1=1, var_1_20=7/8, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=25, var_1_25=0, var_1_2=0, var_1_3=1, var_1_4=0, var_1_5=1, var_1_6=25, var_1_7=31, var_1_8=0, var_1_9=2] [L122] RET assume_abort_if_not((var_1_18 >= -230584.3009213691390e+13F && var_1_18 <= -1.0e-20F) || (var_1_18 <= 2305843.009213691390e+12F && var_1_18 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=3, var_1_11=201, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_15=4, var_1_16=164/5, var_1_17=5, var_1_18=6, var_1_19=5000000000000002/5, var_1_1=1, var_1_20=7/8, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=25, var_1_25=0, var_1_2=0, var_1_3=1, var_1_4=0, var_1_5=1, var_1_6=25, var_1_7=31, var_1_8=0, var_1_9=2] [L123] var_1_19 = __VERIFIER_nondet_float() [L124] CALL assume_abort_if_not((var_1_19 >= -461168.6018427382800e+13F && var_1_19 <= -1.0e-20F) || (var_1_19 <= 4611686.018427382800e+12F && var_1_19 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=3, var_1_11=201, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_15=4, var_1_16=164/5, var_1_17=5, var_1_18=6, var_1_19=7, var_1_1=1, var_1_20=7/8, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=25, var_1_25=0, var_1_2=0, var_1_3=1, var_1_4=0, var_1_5=1, var_1_6=25, var_1_7=31, var_1_8=0, var_1_9=2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=3, var_1_11=201, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_15=4, var_1_16=164/5, var_1_17=5, var_1_18=6, var_1_19=7, var_1_1=1, var_1_20=7/8, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=25, var_1_25=0, var_1_2=0, var_1_3=1, var_1_4=0, var_1_5=1, var_1_6=25, var_1_7=31, var_1_8=0, var_1_9=2] [L124] RET assume_abort_if_not((var_1_19 >= -461168.6018427382800e+13F && var_1_19 <= -1.0e-20F) || (var_1_19 <= 4611686.018427382800e+12F && var_1_19 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=3, var_1_11=201, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_15=4, var_1_16=164/5, var_1_17=5, var_1_18=6, var_1_19=7, var_1_1=1, var_1_20=7/8, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=25, var_1_25=0, var_1_2=0, var_1_3=1, var_1_4=0, var_1_5=1, var_1_6=25, var_1_7=31, var_1_8=0, var_1_9=2] [L125] var_1_20 = __VERIFIER_nondet_float() [L126] CALL assume_abort_if_not((var_1_20 >= -461168.6018427382800e+13F && var_1_20 <= -1.0e-20F) || (var_1_20 <= 4611686.018427382800e+12F && var_1_20 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=3, var_1_11=201, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_15=4, var_1_16=164/5, var_1_17=5, var_1_18=6, var_1_19=7, var_1_1=1, var_1_20=8, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=25, var_1_25=0, var_1_2=0, var_1_3=1, var_1_4=0, var_1_5=1, var_1_6=25, var_1_7=31, var_1_8=0, var_1_9=2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=3, var_1_11=201, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_15=4, var_1_16=164/5, var_1_17=5, var_1_18=6, var_1_19=7, var_1_1=1, var_1_20=8, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=25, var_1_25=0, var_1_2=0, var_1_3=1, var_1_4=0, var_1_5=1, var_1_6=25, var_1_7=31, var_1_8=0, var_1_9=2] [L126] RET assume_abort_if_not((var_1_20 >= -461168.6018427382800e+13F && var_1_20 <= -1.0e-20F) || (var_1_20 <= 4611686.018427382800e+12F && var_1_20 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=3, var_1_11=201, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_15=4, var_1_16=164/5, var_1_17=5, var_1_18=6, var_1_19=7, var_1_1=1, var_1_20=8, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=25, var_1_25=0, var_1_2=0, var_1_3=1, var_1_4=0, var_1_5=1, var_1_6=25, var_1_7=31, var_1_8=0, var_1_9=2] [L127] var_1_22 = __VERIFIER_nondet_uchar() [L128] CALL assume_abort_if_not(var_1_22 >= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=3, var_1_11=201, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_15=4, var_1_16=164/5, var_1_17=5, var_1_18=6, var_1_19=7, var_1_1=1, var_1_20=8, var_1_21=0, var_1_22=1, var_1_23=64, var_1_24=25, var_1_25=0, var_1_2=0, var_1_3=1, var_1_4=0, var_1_5=1, var_1_6=25, var_1_7=31, var_1_8=0, var_1_9=2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=3, var_1_11=201, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_15=4, var_1_16=164/5, var_1_17=5, var_1_18=6, var_1_19=7, var_1_1=1, var_1_20=8, var_1_21=0, var_1_22=1, var_1_23=64, var_1_24=25, var_1_25=0, var_1_2=0, var_1_3=1, var_1_4=0, var_1_5=1, var_1_6=25, var_1_7=31, var_1_8=0, var_1_9=2] [L128] RET assume_abort_if_not(var_1_22 >= 1) VAL [isInitial=1, var_1_10=3, var_1_11=201, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_15=4, var_1_16=164/5, var_1_17=5, var_1_18=6, var_1_19=7, var_1_1=1, var_1_20=8, var_1_21=0, var_1_22=1, var_1_23=64, var_1_24=25, var_1_25=0, var_1_2=0, var_1_3=1, var_1_4=0, var_1_5=1, var_1_6=25, var_1_7=31, var_1_8=0, var_1_9=2] [L129] CALL assume_abort_if_not(var_1_22 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=3, var_1_11=201, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_15=4, var_1_16=164/5, var_1_17=5, var_1_18=6, var_1_19=7, var_1_1=1, var_1_20=8, var_1_21=0, var_1_22=1, var_1_23=64, var_1_24=25, var_1_25=0, var_1_2=0, var_1_3=1, var_1_4=0, var_1_5=1, var_1_6=25, var_1_7=31, var_1_8=0, var_1_9=2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=3, var_1_11=201, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_15=4, var_1_16=164/5, var_1_17=5, var_1_18=6, var_1_19=7, var_1_1=1, var_1_20=8, var_1_21=0, var_1_22=1, var_1_23=64, var_1_24=25, var_1_25=0, var_1_2=0, var_1_3=1, var_1_4=0, var_1_5=1, var_1_6=25, var_1_7=31, var_1_8=0, var_1_9=2] [L129] RET assume_abort_if_not(var_1_22 <= 1) VAL [isInitial=1, var_1_10=3, var_1_11=201, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_15=4, var_1_16=164/5, var_1_17=5, var_1_18=6, var_1_19=7, var_1_1=1, var_1_20=8, var_1_21=0, var_1_22=1, var_1_23=64, var_1_24=25, var_1_25=0, var_1_2=0, var_1_3=1, var_1_4=0, var_1_5=1, var_1_6=25, var_1_7=31, var_1_8=0, var_1_9=2] [L130] var_1_24 = __VERIFIER_nondet_short() [L131] CALL assume_abort_if_not(var_1_24 >= -1) VAL [\old(cond)=1, isInitial=1, var_1_10=3, var_1_11=201, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_15=4, var_1_16=164/5, var_1_17=5, var_1_18=6, var_1_19=7, var_1_1=1, var_1_20=8, var_1_21=0, var_1_22=1, var_1_23=64, var_1_24=32766, var_1_25=0, var_1_2=0, var_1_3=1, var_1_4=0, var_1_5=1, var_1_6=25, var_1_7=31, var_1_8=0, var_1_9=2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=3, var_1_11=201, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_15=4, var_1_16=164/5, var_1_17=5, var_1_18=6, var_1_19=7, var_1_1=1, var_1_20=8, var_1_21=0, var_1_22=1, var_1_23=64, var_1_24=32766, var_1_25=0, var_1_2=0, var_1_3=1, var_1_4=0, var_1_5=1, var_1_6=25, var_1_7=31, var_1_8=0, var_1_9=2] [L131] RET assume_abort_if_not(var_1_24 >= -1) VAL [isInitial=1, var_1_10=3, var_1_11=201, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_15=4, var_1_16=164/5, var_1_17=5, var_1_18=6, var_1_19=7, var_1_1=1, var_1_20=8, var_1_21=0, var_1_22=1, var_1_23=64, var_1_24=32766, var_1_25=0, var_1_2=0, var_1_3=1, var_1_4=0, var_1_5=1, var_1_6=25, var_1_7=31, var_1_8=0, var_1_9=2] [L132] CALL assume_abort_if_not(var_1_24 <= 32766) VAL [\old(cond)=1, isInitial=1, var_1_10=3, var_1_11=201, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_15=4, var_1_16=164/5, var_1_17=5, var_1_18=6, var_1_19=7, var_1_1=1, var_1_20=8, var_1_21=0, var_1_22=1, var_1_23=64, var_1_24=32766, var_1_25=0, var_1_2=0, var_1_3=1, var_1_4=0, var_1_5=1, var_1_6=25, var_1_7=31, var_1_8=0, var_1_9=2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=3, var_1_11=201, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_15=4, var_1_16=164/5, var_1_17=5, var_1_18=6, var_1_19=7, var_1_1=1, var_1_20=8, var_1_21=0, var_1_22=1, var_1_23=64, var_1_24=32766, var_1_25=0, var_1_2=0, var_1_3=1, var_1_4=0, var_1_5=1, var_1_6=25, var_1_7=31, var_1_8=0, var_1_9=2] [L132] RET assume_abort_if_not(var_1_24 <= 32766) VAL [isInitial=1, var_1_10=3, var_1_11=201, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_15=4, var_1_16=164/5, var_1_17=5, var_1_18=6, var_1_19=7, var_1_1=1, var_1_20=8, var_1_21=0, var_1_22=1, var_1_23=64, var_1_24=32766, var_1_25=0, var_1_2=0, var_1_3=1, var_1_4=0, var_1_5=1, var_1_6=25, var_1_7=31, var_1_8=0, var_1_9=2] [L133] var_1_25 = __VERIFIER_nondet_short() [L134] CALL assume_abort_if_not(var_1_25 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=3, var_1_11=201, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_15=4, var_1_16=164/5, var_1_17=5, var_1_18=6, var_1_19=7, var_1_1=1, var_1_20=8, var_1_21=0, var_1_22=1, var_1_23=64, var_1_24=32766, var_1_25=32766, var_1_2=0, var_1_3=1, var_1_4=0, var_1_5=1, var_1_6=25, var_1_7=31, var_1_8=0, var_1_9=2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=3, var_1_11=201, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_15=4, var_1_16=164/5, var_1_17=5, var_1_18=6, var_1_19=7, var_1_1=1, var_1_20=8, var_1_21=0, var_1_22=1, var_1_23=64, var_1_24=32766, var_1_25=32766, var_1_2=0, var_1_3=1, var_1_4=0, var_1_5=1, var_1_6=25, var_1_7=31, var_1_8=0, var_1_9=2] [L134] RET assume_abort_if_not(var_1_25 >= 0) VAL [isInitial=1, var_1_10=3, var_1_11=201, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_15=4, var_1_16=164/5, var_1_17=5, var_1_18=6, var_1_19=7, var_1_1=1, var_1_20=8, var_1_21=0, var_1_22=1, var_1_23=64, var_1_24=32766, var_1_25=32766, var_1_2=0, var_1_3=1, var_1_4=0, var_1_5=1, var_1_6=25, var_1_7=31, var_1_8=0, var_1_9=2] [L135] CALL assume_abort_if_not(var_1_25 <= 32766) VAL [\old(cond)=1, isInitial=1, var_1_10=3, var_1_11=201, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_15=4, var_1_16=164/5, var_1_17=5, var_1_18=6, var_1_19=7, var_1_1=1, var_1_20=8, var_1_21=0, var_1_22=1, var_1_23=64, var_1_24=32766, var_1_25=32766, var_1_2=0, var_1_3=1, var_1_4=0, var_1_5=1, var_1_6=25, var_1_7=31, var_1_8=0, var_1_9=2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=3, var_1_11=201, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_15=4, var_1_16=164/5, var_1_17=5, var_1_18=6, var_1_19=7, var_1_1=1, var_1_20=8, var_1_21=0, var_1_22=1, var_1_23=64, var_1_24=32766, var_1_25=32766, var_1_2=0, var_1_3=1, var_1_4=0, var_1_5=1, var_1_6=25, var_1_7=31, var_1_8=0, var_1_9=2] [L135] RET assume_abort_if_not(var_1_25 <= 32766) VAL [isInitial=1, var_1_10=3, var_1_11=201, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_15=4, var_1_16=164/5, var_1_17=5, var_1_18=6, var_1_19=7, var_1_1=1, var_1_20=8, var_1_21=0, var_1_22=1, var_1_23=64, var_1_24=32766, var_1_25=32766, var_1_2=0, var_1_3=1, var_1_4=0, var_1_5=1, var_1_6=25, var_1_7=31, var_1_8=0, var_1_9=2] [L148] RET updateVariables() [L149] CALL step() [L50] COND FALSE !(\read(var_1_2)) [L53] var_1_1 = (var_1_3 && var_1_5) VAL [isInitial=1, var_1_10=3, var_1_11=201, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_15=4, var_1_16=164/5, var_1_17=5, var_1_18=6, var_1_19=7, var_1_1=1, var_1_20=8, var_1_21=0, var_1_22=1, var_1_23=64, var_1_24=32766, var_1_25=32766, var_1_2=0, var_1_3=1, var_1_4=0, var_1_5=1, var_1_6=25, var_1_7=31, var_1_8=0, var_1_9=2] [L55] signed char stepLocal_0 = var_1_7; VAL [isInitial=1, stepLocal_0=31, var_1_10=3, var_1_11=201, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_15=4, var_1_16=164/5, var_1_17=5, var_1_18=6, var_1_19=7, var_1_1=1, var_1_20=8, var_1_21=0, var_1_22=1, var_1_23=64, var_1_24=32766, var_1_25=32766, var_1_2=0, var_1_3=1, var_1_4=0, var_1_5=1, var_1_6=25, var_1_7=31, var_1_8=0, var_1_9=2] [L56] COND TRUE stepLocal_0 >= var_1_8 VAL [isInitial=1, stepLocal_0=31, var_1_10=3, var_1_11=201, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_15=4, var_1_16=164/5, var_1_17=5, var_1_18=6, var_1_19=7, var_1_1=1, var_1_20=8, var_1_21=0, var_1_22=1, var_1_23=64, var_1_24=32766, var_1_25=32766, var_1_2=0, var_1_3=1, var_1_4=0, var_1_5=1, var_1_6=25, var_1_7=31, var_1_8=0, var_1_9=2] [L57] COND TRUE (var_1_9 - 1.00000000000025E12) >= var_1_10 [L58] var_1_6 = 200 VAL [isInitial=1, stepLocal_0=31, var_1_10=3, var_1_11=201, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_15=4, var_1_16=164/5, var_1_17=5, var_1_18=6, var_1_19=7, var_1_1=1, var_1_20=8, var_1_21=0, var_1_22=1, var_1_23=64, var_1_24=32766, var_1_25=32766, var_1_2=0, var_1_3=1, var_1_4=0, var_1_5=1, var_1_6=200, var_1_7=31, var_1_8=0, var_1_9=2] [L65] unsigned short int stepLocal_1 = var_1_6; VAL [isInitial=1, stepLocal_0=31, stepLocal_1=200, var_1_10=3, var_1_11=201, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_15=4, var_1_16=164/5, var_1_17=5, var_1_18=6, var_1_19=7, var_1_1=1, var_1_20=8, var_1_21=0, var_1_22=1, var_1_23=64, var_1_24=32766, var_1_25=32766, var_1_2=0, var_1_3=1, var_1_4=0, var_1_5=1, var_1_6=200, var_1_7=31, var_1_8=0, var_1_9=2] [L66] COND TRUE var_1_11 > stepLocal_1 [L67] var_1_12 = 32 VAL [isInitial=1, stepLocal_0=31, stepLocal_1=200, var_1_10=3, var_1_11=201, var_1_12=32, var_1_13=-256, var_1_14=511/4, var_1_15=4, var_1_16=164/5, var_1_17=5, var_1_18=6, var_1_19=7, var_1_1=1, var_1_20=8, var_1_21=0, var_1_22=1, var_1_23=64, var_1_24=32766, var_1_25=32766, var_1_2=0, var_1_3=1, var_1_4=0, var_1_5=1, var_1_6=200, var_1_7=31, var_1_8=0, var_1_9=2] [L69] signed char stepLocal_2 = var_1_7; VAL [isInitial=1, stepLocal_0=31, stepLocal_1=200, stepLocal_2=31, var_1_10=3, var_1_11=201, var_1_12=32, var_1_13=-256, var_1_14=511/4, var_1_15=4, var_1_16=164/5, var_1_17=5, var_1_18=6, var_1_19=7, var_1_1=1, var_1_20=8, var_1_21=0, var_1_22=1, var_1_23=64, var_1_24=32766, var_1_25=32766, var_1_2=0, var_1_3=1, var_1_4=0, var_1_5=1, var_1_6=200, var_1_7=31, var_1_8=0, var_1_9=2] [L70] COND FALSE !(var_1_12 == stepLocal_2) VAL [isInitial=1, stepLocal_0=31, stepLocal_1=200, stepLocal_2=31, var_1_10=3, var_1_11=201, var_1_12=32, var_1_13=-256, var_1_14=511/4, var_1_15=4, var_1_16=164/5, var_1_17=5, var_1_18=6, var_1_19=7, var_1_1=1, var_1_20=8, var_1_21=0, var_1_22=1, var_1_23=64, var_1_24=32766, var_1_25=32766, var_1_2=0, var_1_3=1, var_1_4=0, var_1_5=1, var_1_6=200, var_1_7=31, var_1_8=0, var_1_9=2] [L75] EXPR var_1_11 >> var_1_8 VAL [isInitial=1, stepLocal_0=31, stepLocal_1=200, stepLocal_2=31, var_1_10=3, var_1_11 >> var_1_8=201, var_1_11=201, var_1_12=32, var_1_13=-256, var_1_14=511/4, var_1_15=4, var_1_16=164/5, var_1_17=5, var_1_18=6, var_1_19=7, var_1_1=1, var_1_20=8, var_1_21=0, var_1_22=1, var_1_23=64, var_1_24=32766, var_1_25=32766, var_1_2=0, var_1_3=1, var_1_4=0, var_1_5=1, var_1_6=200, var_1_7=31, var_1_8=0, var_1_9=2] [L75] COND TRUE (var_1_7 + var_1_6) < ((var_1_11 >> var_1_8) * var_1_12) [L76] var_1_14 = var_1_15 VAL [isInitial=1, stepLocal_0=31, stepLocal_1=200, stepLocal_2=31, var_1_10=3, var_1_11=201, var_1_12=32, var_1_13=-256, var_1_14=4, var_1_15=4, var_1_16=164/5, var_1_17=5, var_1_18=6, var_1_19=7, var_1_1=1, var_1_20=8, var_1_21=0, var_1_22=1, var_1_23=64, var_1_24=32766, var_1_25=32766, var_1_2=0, var_1_3=1, var_1_4=0, var_1_5=1, var_1_6=200, var_1_7=31, var_1_8=0, var_1_9=2] [L80] var_1_16 = (((((var_1_17 + var_1_18) + ((((var_1_19) < (var_1_20)) ? (var_1_19) : (var_1_20)))) < 0 ) ? -((var_1_17 + var_1_18) + ((((var_1_19) < (var_1_20)) ? (var_1_19) : (var_1_20)))) : ((var_1_17 + var_1_18) + ((((var_1_19) < (var_1_20)) ? (var_1_19) : (var_1_20)))))) [L81] unsigned short int stepLocal_3 = var_1_6; VAL [isInitial=1, stepLocal_0=31, stepLocal_1=200, stepLocal_2=31, stepLocal_3=200, var_1_10=3, var_1_11=201, var_1_12=32, var_1_13=-256, var_1_14=4, var_1_15=4, var_1_16=9, var_1_17=5, var_1_18=6, var_1_19=7, var_1_1=1, var_1_20=8, var_1_21=0, var_1_22=1, var_1_23=64, var_1_24=32766, var_1_25=32766, var_1_2=0, var_1_3=1, var_1_4=0, var_1_5=1, var_1_6=200, var_1_7=31, var_1_8=0, var_1_9=2] [L82] COND FALSE !(var_1_11 == stepLocal_3) VAL [isInitial=1, stepLocal_0=31, stepLocal_1=200, stepLocal_2=31, stepLocal_3=200, var_1_10=3, var_1_11=201, var_1_12=32, var_1_13=-256, var_1_14=4, var_1_15=4, var_1_16=9, var_1_17=5, var_1_18=6, var_1_19=7, var_1_1=1, var_1_20=8, var_1_21=0, var_1_22=1, var_1_23=64, var_1_24=32766, var_1_25=32766, var_1_2=0, var_1_3=1, var_1_4=0, var_1_5=1, var_1_6=200, var_1_7=31, var_1_8=0, var_1_9=2] [L85] COND TRUE var_1_18 > var_1_9 [L86] var_1_23 = (((((var_1_24 - var_1_25)) > (var_1_7)) ? ((var_1_24 - var_1_25)) : (var_1_7))) VAL [isInitial=1, stepLocal_0=31, stepLocal_1=200, stepLocal_2=31, stepLocal_3=200, var_1_10=3, var_1_11=201, var_1_12=32, var_1_13=-256, var_1_14=4, var_1_15=4, var_1_16=9, var_1_17=5, var_1_18=6, var_1_19=7, var_1_1=1, var_1_20=8, var_1_21=0, var_1_22=1, var_1_23=31, var_1_24=32766, var_1_25=32766, var_1_2=0, var_1_3=1, var_1_4=0, var_1_5=1, var_1_6=200, var_1_7=31, var_1_8=0, var_1_9=2] [L149] RET step() [L150] CALL, EXPR property() [L140] EXPR ((((var_1_2 ? (var_1_1 == ((unsigned char) ((! var_1_3) || var_1_4))) : (var_1_1 == ((unsigned char) (var_1_3 && var_1_5)))) && ((var_1_7 >= var_1_8) ? (((var_1_9 - 1.00000000000025E12) >= var_1_10) ? (var_1_6 == ((unsigned short int) 200)) : (var_1_6 == ((unsigned short int) var_1_11))) : (var_1_6 == ((unsigned short int) var_1_11)))) && ((var_1_11 > var_1_6) ? (var_1_12 == ((signed short int) 32)) : 1)) && ((var_1_12 == var_1_7) ? ((! var_1_3) ? (var_1_13 == ((signed long int) ((var_1_8 + var_1_12) + (var_1_11 - var_1_6)))) : 1) : 1)) && (((var_1_7 + var_1_6) < ((var_1_11 >> var_1_8) * var_1_12)) ? (var_1_14 == ((double) var_1_15)) : (var_1_14 == ((double) var_1_15))) VAL [((((var_1_2 ? (var_1_1 == ((unsigned char) ((! var_1_3) || var_1_4))) : (var_1_1 == ((unsigned char) (var_1_3 && var_1_5)))) && ((var_1_7 >= var_1_8) ? (((var_1_9 - 1.00000000000025E12) >= var_1_10) ? (var_1_6 == ((unsigned short int) 200)) : (var_1_6 == ((unsigned short int) var_1_11))) : (var_1_6 == ((unsigned short int) var_1_11)))) && ((var_1_11 > var_1_6) ? (var_1_12 == ((signed short int) 32)) : 1)) && ((var_1_12 == var_1_7) ? ((! var_1_3) ? (var_1_13 == ((signed long int) ((var_1_8 + var_1_12) + (var_1_11 - var_1_6)))) : 1) : 1)) && (((var_1_7 + var_1_6) < ((var_1_11 >> var_1_8) * var_1_12)) ? (var_1_14 == ((double) var_1_15)) : (var_1_14 == ((double) var_1_15)))=0, isInitial=1, var_1_10=3, var_1_11=201, var_1_12=32, var_1_13=-256, var_1_14=4, var_1_15=4, var_1_16=9, var_1_17=5, var_1_18=6, var_1_19=7, var_1_1=1, var_1_20=8, var_1_21=0, var_1_22=1, var_1_23=31, var_1_24=32766, var_1_25=32766, var_1_2=0, var_1_3=1, var_1_4=0, var_1_5=1, var_1_6=200, var_1_7=31, var_1_8=0, var_1_9=2] [L140-L141] return (((((((var_1_2 ? (var_1_1 == ((unsigned char) ((! var_1_3) || var_1_4))) : (var_1_1 == ((unsigned char) (var_1_3 && var_1_5)))) && ((var_1_7 >= var_1_8) ? (((var_1_9 - 1.00000000000025E12) >= var_1_10) ? (var_1_6 == ((unsigned short int) 200)) : (var_1_6 == ((unsigned short int) var_1_11))) : (var_1_6 == ((unsigned short int) var_1_11)))) && ((var_1_11 > var_1_6) ? (var_1_12 == ((signed short int) 32)) : 1)) && ((var_1_12 == var_1_7) ? ((! var_1_3) ? (var_1_13 == ((signed long int) ((var_1_8 + var_1_12) + (var_1_11 - var_1_6)))) : 1) : 1)) && (((var_1_7 + var_1_6) < ((var_1_11 >> var_1_8) * var_1_12)) ? (var_1_14 == ((double) var_1_15)) : (var_1_14 == ((double) var_1_15)))) && (var_1_16 == ((float) (((((var_1_17 + var_1_18) + ((((var_1_19) < (var_1_20)) ? (var_1_19) : (var_1_20)))) < 0 ) ? -((var_1_17 + var_1_18) + ((((var_1_19) < (var_1_20)) ? (var_1_19) : (var_1_20)))) : ((var_1_17 + var_1_18) + ((((var_1_19) < (var_1_20)) ? (var_1_19) : (var_1_20))))))))) && ((var_1_11 == var_1_6) ? (var_1_21 == ((unsigned char) ((var_1_5 || var_1_3) && (var_1_1 || var_1_22)))) : 1)) && ((var_1_18 > var_1_9) ? (var_1_23 == ((signed short int) (((((var_1_24 - var_1_25)) > (var_1_7)) ? ((var_1_24 - var_1_25)) : (var_1_7))))) : (var_1_23 == ((signed short int) (var_1_7 + 1)))) ; [L150] RET, EXPR property() [L150] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, var_1_10=3, var_1_11=201, var_1_12=32, var_1_13=-256, var_1_14=4, var_1_15=4, var_1_16=9, var_1_17=5, var_1_18=6, var_1_19=7, var_1_1=1, var_1_20=8, var_1_21=0, var_1_22=1, var_1_23=31, var_1_24=32766, var_1_25=32766, var_1_2=0, var_1_3=1, var_1_4=0, var_1_5=1, var_1_6=200, var_1_7=31, var_1_8=0, var_1_9=2] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, var_1_10=3, var_1_11=201, var_1_12=32, var_1_13=-256, var_1_14=4, var_1_15=4, var_1_16=9, var_1_17=5, var_1_18=6, var_1_19=7, var_1_1=1, var_1_20=8, var_1_21=0, var_1_22=1, var_1_23=31, var_1_24=32766, var_1_25=32766, var_1_2=0, var_1_3=1, var_1_4=0, var_1_5=1, var_1_6=200, var_1_7=31, var_1_8=0, var_1_9=2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 81 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 10.5s, OverallIterations: 6, TraceHistogramMax: 27, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 2.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 622 SdHoareTripleChecker+Valid, 1.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 622 mSDsluCounter, 1785 SdHoareTripleChecker+Invalid, 0.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1070 mSDsCounter, 32 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 620 IncrementalHoareTripleChecker+Invalid, 652 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 32 mSolverCounterUnsat, 715 mSDtfsCounter, 620 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1060 GetRequests, 1016 SyntacticMatches, 0 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 152 ImplicationChecksByTransitivity, 1.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=147occurred in iteration=5, InterpolantAutomatonStates: 39, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 5 MinimizatonAttempts, 248 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 4.9s InterpolantComputationTime, 1227 NumberOfCodeBlocks, 1227 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 1045 ConstructedInterpolants, 0 QuantifiedInterpolants, 4566 SizeOfPredicates, 36 NumberOfNonLiveVariables, 2051 ConjunctsInSsa, 54 ConjunctsInUnsatCore, 6 InterpolantComputations, 5 PerfectInterpolantSequences, 8292/8424 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-06 22:22:42,780 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c4c2731-8f85-4526-8d60-4abe66893795/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c4c2731-8f85-4526-8d60-4abe66893795/bin/uautomizer-verify-WvqO1wxjHP/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c4c2731-8f85-4526-8d60-4abe66893795/bin/uautomizer-verify-WvqO1wxjHP/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c4c2731-8f85-4526-8d60-4abe66893795/bin/uautomizer-verify-WvqO1wxjHP/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c4c2731-8f85-4526-8d60-4abe66893795/bin/uautomizer-verify-WvqO1wxjHP/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-35.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c4c2731-8f85-4526-8d60-4abe66893795/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c4c2731-8f85-4526-8d60-4abe66893795/bin/uautomizer-verify-WvqO1wxjHP --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 57c3b59e617031810541c352683e22355f7d2bb210fb0588faea84e9b25c6bba --- Real Ultimate output --- This is Ultimate 0.2.3-dev-e7bb482 [2023-11-06 22:22:45,433 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-06 22:22:45,529 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c4c2731-8f85-4526-8d60-4abe66893795/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-11-06 22:22:45,535 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-06 22:22:45,536 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-06 22:22:45,572 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-06 22:22:45,573 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-06 22:22:45,574 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-06 22:22:45,574 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-06 22:22:45,575 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-06 22:22:45,576 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-06 22:22:45,576 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-06 22:22:45,577 INFO L153 SettingsManager]: * Use SBE=true [2023-11-06 22:22:45,578 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-06 22:22:45,578 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-06 22:22:45,579 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-06 22:22:45,579 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-06 22:22:45,580 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-06 22:22:45,580 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-06 22:22:45,581 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-06 22:22:45,589 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-06 22:22:45,590 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-06 22:22:45,591 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-06 22:22:45,592 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-06 22:22:45,593 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-06 22:22:45,594 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-06 22:22:45,594 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-06 22:22:45,595 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-06 22:22:45,595 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-06 22:22:45,596 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-06 22:22:45,597 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:22:45,597 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-06 22:22:45,598 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-06 22:22:45,598 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-11-06 22:22:45,598 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-06 22:22:45,599 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-06 22:22:45,599 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-06 22:22:45,599 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-06 22:22:45,599 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-06 22:22:45,601 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-06 22:22:45,601 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-06 22:22:45,601 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-06 22:22:45,602 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_1c4c2731-8f85-4526-8d60-4abe66893795/bin/uautomizer-verify-WvqO1wxjHP/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c4c2731-8f85-4526-8d60-4abe66893795/bin/uautomizer-verify-WvqO1wxjHP Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 57c3b59e617031810541c352683e22355f7d2bb210fb0588faea84e9b25c6bba [2023-11-06 22:22:46,011 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-06 22:22:46,035 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-06 22:22:46,037 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-06 22:22:46,039 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-06 22:22:46,039 INFO L274 PluginConnector]: CDTParser initialized [2023-11-06 22:22:46,040 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c4c2731-8f85-4526-8d60-4abe66893795/bin/uautomizer-verify-WvqO1wxjHP/../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-35.i [2023-11-06 22:22:49,131 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-06 22:22:49,432 INFO L384 CDTParser]: Found 1 translation units. [2023-11-06 22:22:49,433 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c4c2731-8f85-4526-8d60-4abe66893795/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-35.i [2023-11-06 22:22:49,463 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c4c2731-8f85-4526-8d60-4abe66893795/bin/uautomizer-verify-WvqO1wxjHP/data/84c958ee4/47e079e22b914e018a4c8b7f35dafd3e/FLAGe6e7e7b8d [2023-11-06 22:22:49,482 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c4c2731-8f85-4526-8d60-4abe66893795/bin/uautomizer-verify-WvqO1wxjHP/data/84c958ee4/47e079e22b914e018a4c8b7f35dafd3e [2023-11-06 22:22:49,489 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-06 22:22:49,492 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-06 22:22:49,498 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-06 22:22:49,499 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-06 22:22:49,504 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-06 22:22:49,505 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:22:49" (1/1) ... [2023-11-06 22:22:49,506 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@597f21f8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:22:49, skipping insertion in model container [2023-11-06 22:22:49,506 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:22:49" (1/1) ... [2023-11-06 22:22:49,558 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 22:22:49,763 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_1c4c2731-8f85-4526-8d60-4abe66893795/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-35.i[917,930] [2023-11-06 22:22:49,864 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:22:49,896 INFO L202 MainTranslator]: Completed pre-run [2023-11-06 22:22:49,914 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_1c4c2731-8f85-4526-8d60-4abe66893795/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-35.i[917,930] [2023-11-06 22:22:49,966 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:22:49,985 INFO L206 MainTranslator]: Completed translation [2023-11-06 22:22:49,986 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:22:49 WrapperNode [2023-11-06 22:22:49,986 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-06 22:22:49,987 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-06 22:22:49,988 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-06 22:22:49,988 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-06 22:22:49,996 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:22:49" (1/1) ... [2023-11-06 22:22:50,010 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:22:49" (1/1) ... [2023-11-06 22:22:50,041 INFO L138 Inliner]: procedures = 27, calls = 40, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 163 [2023-11-06 22:22:50,041 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-06 22:22:50,042 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-06 22:22:50,042 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-06 22:22:50,043 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-06 22:22:50,053 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:22:49" (1/1) ... [2023-11-06 22:22:50,053 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:22:49" (1/1) ... [2023-11-06 22:22:50,058 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:22:49" (1/1) ... [2023-11-06 22:22:50,059 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:22:49" (1/1) ... [2023-11-06 22:22:50,071 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:22:49" (1/1) ... [2023-11-06 22:22:50,075 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:22:49" (1/1) ... [2023-11-06 22:22:50,079 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:22:49" (1/1) ... [2023-11-06 22:22:50,081 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:22:49" (1/1) ... [2023-11-06 22:22:50,086 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-06 22:22:50,087 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-06 22:22:50,088 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-06 22:22:50,088 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-06 22:22:50,089 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:22:49" (1/1) ... [2023-11-06 22:22:50,109 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:22:50,126 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c4c2731-8f85-4526-8d60-4abe66893795/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:22:50,141 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c4c2731-8f85-4526-8d60-4abe66893795/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-06 22:22:50,149 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c4c2731-8f85-4526-8d60-4abe66893795/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-06 22:22:50,174 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-06 22:22:50,174 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-06 22:22:50,175 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-06 22:22:50,175 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-06 22:22:50,175 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-06 22:22:50,175 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-06 22:22:50,308 INFO L236 CfgBuilder]: Building ICFG [2023-11-06 22:22:50,310 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-06 22:22:53,180 INFO L277 CfgBuilder]: Performing block encoding [2023-11-06 22:22:53,187 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-06 22:22:53,187 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-06 22:22:53,190 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:22:53 BoogieIcfgContainer [2023-11-06 22:22:53,190 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-06 22:22:53,192 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-06 22:22:53,193 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-06 22:22:53,197 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-06 22:22:53,197 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 10:22:49" (1/3) ... [2023-11-06 22:22:53,198 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@29dcfb5f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:22:53, skipping insertion in model container [2023-11-06 22:22:53,198 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:22:49" (2/3) ... [2023-11-06 22:22:53,200 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@29dcfb5f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:22:53, skipping insertion in model container [2023-11-06 22:22:53,201 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:22:53" (3/3) ... [2023-11-06 22:22:53,203 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_codestructure_steplocals_file-35.i [2023-11-06 22:22:53,223 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-06 22:22:53,223 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-06 22:22:53,280 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-06 22:22:53,287 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@44171978, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-06 22:22:53,288 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-06 22:22:53,294 INFO L276 IsEmpty]: Start isEmpty. Operand has 76 states, 46 states have (on average 1.3043478260869565) internal successors, (60), 47 states have internal predecessors, (60), 27 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2023-11-06 22:22:53,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2023-11-06 22:22:53,316 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:22:53,317 INFO L195 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:22:53,320 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:22:53,328 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:22:53,329 INFO L85 PathProgramCache]: Analyzing trace with hash 547792436, now seen corresponding path program 1 times [2023-11-06 22:22:53,345 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-06 22:22:53,346 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [734263182] [2023-11-06 22:22:53,346 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:22:53,347 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-06 22:22:53,347 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c4c2731-8f85-4526-8d60-4abe66893795/bin/uautomizer-verify-WvqO1wxjHP/mathsat [2023-11-06 22:22:53,353 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c4c2731-8f85-4526-8d60-4abe66893795/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-06 22:22:53,364 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c4c2731-8f85-4526-8d60-4abe66893795/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2023-11-06 22:22:53,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:22:53,984 INFO L262 TraceCheckSpWp]: Trace formula consists of 273 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-06 22:22:53,997 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:22:54,110 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2023-11-06 22:22:54,110 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:22:54,111 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-06 22:22:54,111 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [734263182] [2023-11-06 22:22:54,112 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [734263182] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:22:54,112 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:22:54,113 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-06 22:22:54,114 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [742967609] [2023-11-06 22:22:54,115 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:22:54,120 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-06 22:22:54,120 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-06 22:22:54,149 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-06 22:22:54,150 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-06 22:22:54,153 INFO L87 Difference]: Start difference. First operand has 76 states, 46 states have (on average 1.3043478260869565) internal successors, (60), 47 states have internal predecessors, (60), 27 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) Second operand has 4 states, 4 states have (on average 10.0) internal successors, (40), 4 states have internal predecessors, (40), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2023-11-06 22:22:56,434 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.20s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-06 22:22:56,709 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:22:56,709 INFO L93 Difference]: Finished difference Result 188 states and 329 transitions. [2023-11-06 22:22:56,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-06 22:22:56,711 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.0) internal successors, (40), 4 states have internal predecessors, (40), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) Word has length 172 [2023-11-06 22:22:56,713 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:22:56,721 INFO L225 Difference]: With dead ends: 188 [2023-11-06 22:22:56,722 INFO L226 Difference]: Without dead ends: 115 [2023-11-06 22:22:56,725 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 172 GetRequests, 169 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-06 22:22:56,730 INFO L413 NwaCegarLoop]: 139 mSDtfsCounter, 73 mSDsluCounter, 193 mSDsCounter, 0 mSdLazyCounter, 70 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 73 SdHoareTripleChecker+Valid, 332 SdHoareTripleChecker+Invalid, 71 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 70 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2023-11-06 22:22:56,731 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [73 Valid, 332 Invalid, 71 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 70 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2023-11-06 22:22:56,748 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2023-11-06 22:22:56,787 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 112. [2023-11-06 22:22:56,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 112 states, 68 states have (on average 1.2352941176470589) internal successors, (84), 69 states have internal predecessors, (84), 41 states have call successors, (41), 2 states have call predecessors, (41), 2 states have return successors, (41), 40 states have call predecessors, (41), 41 states have call successors, (41) [2023-11-06 22:22:56,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 112 states and 166 transitions. [2023-11-06 22:22:56,794 INFO L78 Accepts]: Start accepts. Automaton has 112 states and 166 transitions. Word has length 172 [2023-11-06 22:22:56,796 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:22:56,796 INFO L495 AbstractCegarLoop]: Abstraction has 112 states and 166 transitions. [2023-11-06 22:22:56,797 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.0) internal successors, (40), 4 states have internal predecessors, (40), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2023-11-06 22:22:56,797 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 166 transitions. [2023-11-06 22:22:56,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2023-11-06 22:22:56,801 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:22:56,801 INFO L195 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:22:56,829 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c4c2731-8f85-4526-8d60-4abe66893795/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2023-11-06 22:22:57,020 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c4c2731-8f85-4526-8d60-4abe66893795/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-06 22:22:57,021 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:22:57,021 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:22:57,022 INFO L85 PathProgramCache]: Analyzing trace with hash 1248857014, now seen corresponding path program 1 times [2023-11-06 22:22:57,022 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-06 22:22:57,023 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [226864259] [2023-11-06 22:22:57,023 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:22:57,023 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-06 22:22:57,023 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c4c2731-8f85-4526-8d60-4abe66893795/bin/uautomizer-verify-WvqO1wxjHP/mathsat [2023-11-06 22:22:57,025 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c4c2731-8f85-4526-8d60-4abe66893795/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-06 22:22:57,031 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c4c2731-8f85-4526-8d60-4abe66893795/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2023-11-06 22:22:57,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:22:57,571 INFO L262 TraceCheckSpWp]: Trace formula consists of 272 conjuncts, 36 conjunts are in the unsatisfiable core [2023-11-06 22:22:57,588 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:26:16,235 WARN L293 SmtUtils]: Spent 55.47s on a formula simplification that was a NOOP. DAG size: 133 (called from [L 376] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)