./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-42.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e7bb482b Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb990143-fcf6-49d5-a632-5e5b35eb3328/bin/uautomizer-verify-WvqO1wxjHP/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb990143-fcf6-49d5-a632-5e5b35eb3328/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_eb990143-fcf6-49d5-a632-5e5b35eb3328/bin/uautomizer-verify-WvqO1wxjHP/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb990143-fcf6-49d5-a632-5e5b35eb3328/bin/uautomizer-verify-WvqO1wxjHP/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-42.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb990143-fcf6-49d5-a632-5e5b35eb3328/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_eb990143-fcf6-49d5-a632-5e5b35eb3328/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 8f23a76680a88b4e3582239a1d89eab7ec3ee1b0bc583f7f275d3fe6394371a3 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-e7bb482 [2023-11-06 22:42:26,512 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-06 22:42:26,642 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb990143-fcf6-49d5-a632-5e5b35eb3328/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-06 22:42:26,662 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-06 22:42:26,663 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-06 22:42:26,723 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-06 22:42:26,727 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-06 22:42:26,728 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-06 22:42:26,729 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-06 22:42:26,735 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-06 22:42:26,737 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-06 22:42:26,738 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-06 22:42:26,739 INFO L153 SettingsManager]: * Use SBE=true [2023-11-06 22:42:26,741 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-06 22:42:26,742 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-06 22:42:26,742 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-06 22:42:26,743 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-06 22:42:26,743 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-06 22:42:26,744 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-06 22:42:26,744 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-06 22:42:26,745 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-06 22:42:26,745 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-06 22:42:26,746 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-06 22:42:26,746 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-06 22:42:26,747 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-06 22:42:26,748 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-06 22:42:26,749 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-06 22:42:26,749 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-06 22:42:26,750 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:42:26,750 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-06 22:42:26,752 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-06 22:42:26,752 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-11-06 22:42:26,753 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-06 22:42:26,753 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-06 22:42:26,753 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-06 22:42:26,754 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-06 22:42:26,754 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-06 22:42:26,754 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-06 22:42:26,754 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-06 22:42:26,755 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_eb990143-fcf6-49d5-a632-5e5b35eb3328/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb990143-fcf6-49d5-a632-5e5b35eb3328/bin/uautomizer-verify-WvqO1wxjHP Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8f23a76680a88b4e3582239a1d89eab7ec3ee1b0bc583f7f275d3fe6394371a3 [2023-11-06 22:42:27,125 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-06 22:42:27,154 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-06 22:42:27,157 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-06 22:42:27,159 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-06 22:42:27,160 INFO L274 PluginConnector]: CDTParser initialized [2023-11-06 22:42:27,161 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb990143-fcf6-49d5-a632-5e5b35eb3328/bin/uautomizer-verify-WvqO1wxjHP/../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-42.i [2023-11-06 22:42:30,787 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-06 22:42:31,071 INFO L384 CDTParser]: Found 1 translation units. [2023-11-06 22:42:31,072 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb990143-fcf6-49d5-a632-5e5b35eb3328/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-42.i [2023-11-06 22:42:31,092 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb990143-fcf6-49d5-a632-5e5b35eb3328/bin/uautomizer-verify-WvqO1wxjHP/data/ef0aceb18/5214a18025014aa29623f81769ae873d/FLAGe0c069d79 [2023-11-06 22:42:31,112 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb990143-fcf6-49d5-a632-5e5b35eb3328/bin/uautomizer-verify-WvqO1wxjHP/data/ef0aceb18/5214a18025014aa29623f81769ae873d [2023-11-06 22:42:31,123 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-06 22:42:31,126 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-06 22:42:31,131 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-06 22:42:31,132 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-06 22:42:31,140 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-06 22:42:31,141 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:42:31" (1/1) ... [2023-11-06 22:42:31,142 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7b708325 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:42:31, skipping insertion in model container [2023-11-06 22:42:31,143 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:42:31" (1/1) ... [2023-11-06 22:42:31,218 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 22:42:31,477 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_eb990143-fcf6-49d5-a632-5e5b35eb3328/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-42.i[917,930] [2023-11-06 22:42:31,606 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:42:31,633 INFO L202 MainTranslator]: Completed pre-run [2023-11-06 22:42:31,656 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_eb990143-fcf6-49d5-a632-5e5b35eb3328/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-42.i[917,930] [2023-11-06 22:42:31,710 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:42:31,740 INFO L206 MainTranslator]: Completed translation [2023-11-06 22:42:31,745 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:42:31 WrapperNode [2023-11-06 22:42:31,746 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-06 22:42:31,748 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-06 22:42:31,748 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-06 22:42:31,754 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-06 22:42:31,765 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:42:31" (1/1) ... [2023-11-06 22:42:31,800 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:42:31" (1/1) ... [2023-11-06 22:42:31,873 INFO L138 Inliner]: procedures = 26, calls = 36, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 152 [2023-11-06 22:42:31,874 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-06 22:42:31,875 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-06 22:42:31,875 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-06 22:42:31,875 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-06 22:42:31,889 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:42:31" (1/1) ... [2023-11-06 22:42:31,889 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:42:31" (1/1) ... [2023-11-06 22:42:31,894 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:42:31" (1/1) ... [2023-11-06 22:42:31,894 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:42:31" (1/1) ... [2023-11-06 22:42:31,908 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:42:31" (1/1) ... [2023-11-06 22:42:31,913 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:42:31" (1/1) ... [2023-11-06 22:42:31,917 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:42:31" (1/1) ... [2023-11-06 22:42:31,920 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:42:31" (1/1) ... [2023-11-06 22:42:31,925 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-06 22:42:31,926 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-06 22:42:31,927 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-06 22:42:31,927 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-06 22:42:31,928 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:42:31" (1/1) ... [2023-11-06 22:42:31,936 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:42:31,969 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb990143-fcf6-49d5-a632-5e5b35eb3328/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:42:31,998 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb990143-fcf6-49d5-a632-5e5b35eb3328/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-06 22:42:32,031 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb990143-fcf6-49d5-a632-5e5b35eb3328/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-06 22:42:32,072 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-06 22:42:32,073 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-06 22:42:32,074 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-06 22:42:32,074 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-06 22:42:32,074 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-06 22:42:32,074 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-06 22:42:32,191 INFO L236 CfgBuilder]: Building ICFG [2023-11-06 22:42:32,194 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-06 22:42:32,650 INFO L277 CfgBuilder]: Performing block encoding [2023-11-06 22:42:32,659 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-06 22:42:32,660 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-06 22:42:32,662 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:42:32 BoogieIcfgContainer [2023-11-06 22:42:32,663 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-06 22:42:32,667 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-06 22:42:32,667 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-06 22:42:32,671 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-06 22:42:32,672 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 10:42:31" (1/3) ... [2023-11-06 22:42:32,673 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@38910fe0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:42:32, skipping insertion in model container [2023-11-06 22:42:32,673 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:42:31" (2/3) ... [2023-11-06 22:42:32,674 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@38910fe0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:42:32, skipping insertion in model container [2023-11-06 22:42:32,674 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:42:32" (3/3) ... [2023-11-06 22:42:32,675 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_codestructure_steplocals_file-42.i [2023-11-06 22:42:32,701 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-06 22:42:32,701 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-06 22:42:32,776 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-06 22:42:32,788 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;@2fc1dde, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-06 22:42:32,789 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-06 22:42:32,796 INFO L276 IsEmpty]: Start isEmpty. Operand has 70 states, 44 states have (on average 1.3636363636363635) internal successors, (60), 45 states have internal predecessors, (60), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2023-11-06 22:42:32,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2023-11-06 22:42:32,826 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:42:32,827 INFO L195 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:42:32,831 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:42:32,840 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:42:32,841 INFO L85 PathProgramCache]: Analyzing trace with hash -1882836578, now seen corresponding path program 1 times [2023-11-06 22:42:32,853 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:42:32,854 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [946319129] [2023-11-06 22:42:32,855 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:42:32,856 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:42:33,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:42:33,229 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:42:33,230 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [946319129] [2023-11-06 22:42:33,231 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2023-11-06 22:42:33,231 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [749109945] [2023-11-06 22:42:33,231 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:42:33,232 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:42:33,232 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb990143-fcf6-49d5-a632-5e5b35eb3328/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:42:33,236 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb990143-fcf6-49d5-a632-5e5b35eb3328/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:42:33,271 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb990143-fcf6-49d5-a632-5e5b35eb3328/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-06 22:42:33,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:42:33,494 INFO L262 TraceCheckSpWp]: Trace formula consists of 355 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-06 22:42:33,509 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:42:33,566 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 968 trivial. 0 not checked. [2023-11-06 22:42:33,567 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:42:33,567 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [749109945] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:42:33,568 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:42:33,568 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-06 22:42:33,571 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [139341169] [2023-11-06 22:42:33,572 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:42:33,578 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-06 22:42:33,578 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:42:33,616 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-06 22:42:33,617 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-06 22:42:33,621 INFO L87 Difference]: Start difference. First operand has 70 states, 44 states have (on average 1.3636363636363635) internal successors, (60), 45 states have internal predecessors, (60), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) Second operand has 2 states, 2 states have (on average 19.0) internal successors, (38), 2 states have internal predecessors, (38), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) [2023-11-06 22:42:33,698 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:42:33,698 INFO L93 Difference]: Finished difference Result 133 states and 229 transitions. [2023-11-06 22:42:33,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-06 22:42:33,701 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 19.0) internal successors, (38), 2 states have internal predecessors, (38), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) Word has length 148 [2023-11-06 22:42:33,702 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:42:33,716 INFO L225 Difference]: With dead ends: 133 [2023-11-06 22:42:33,719 INFO L226 Difference]: Without dead ends: 66 [2023-11-06 22:42:33,725 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 147 GetRequests, 147 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-06 22:42:33,735 INFO L413 NwaCegarLoop]: 99 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, 99 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-06 22:42:33,736 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 99 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 22:42:33,759 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66 states. [2023-11-06 22:42:33,815 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 66. [2023-11-06 22:42:33,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 66 states, 41 states have (on average 1.2926829268292683) internal successors, (53), 41 states have internal predecessors, (53), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2023-11-06 22:42:33,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 99 transitions. [2023-11-06 22:42:33,835 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 99 transitions. Word has length 148 [2023-11-06 22:42:33,838 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:42:33,839 INFO L495 AbstractCegarLoop]: Abstraction has 66 states and 99 transitions. [2023-11-06 22:42:33,839 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 19.0) internal successors, (38), 2 states have internal predecessors, (38), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) [2023-11-06 22:42:33,841 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 99 transitions. [2023-11-06 22:42:33,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2023-11-06 22:42:33,848 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:42:33,849 INFO L195 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:42:33,867 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb990143-fcf6-49d5-a632-5e5b35eb3328/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-06 22:42:34,060 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb990143-fcf6-49d5-a632-5e5b35eb3328/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:42:34,060 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:42:34,061 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:42:34,061 INFO L85 PathProgramCache]: Analyzing trace with hash 1613160800, now seen corresponding path program 1 times [2023-11-06 22:42:34,062 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:42:34,062 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [477366900] [2023-11-06 22:42:34,063 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:42:34,063 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:42:34,163 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 22:42:34,163 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1640330499] [2023-11-06 22:42:34,164 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:42:34,164 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:42:34,164 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb990143-fcf6-49d5-a632-5e5b35eb3328/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:42:34,166 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb990143-fcf6-49d5-a632-5e5b35eb3328/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:42:34,177 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb990143-fcf6-49d5-a632-5e5b35eb3328/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-06 22:42:34,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:42:34,393 INFO L262 TraceCheckSpWp]: Trace formula consists of 355 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-06 22:42:34,411 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:42:34,567 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2023-11-06 22:42:34,567 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:42:34,568 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:42:34,568 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [477366900] [2023-11-06 22:42:34,568 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 22:42:34,569 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1640330499] [2023-11-06 22:42:34,569 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1640330499] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:42:34,569 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:42:34,569 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-06 22:42:34,570 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [40862872] [2023-11-06 22:42:34,570 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:42:34,571 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-06 22:42:34,571 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:42:34,573 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-06 22:42:34,573 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-06 22:42:34,574 INFO L87 Difference]: Start difference. First operand 66 states and 99 transitions. Second operand has 4 states, 4 states have (on average 9.0) internal successors, (36), 4 states have internal predecessors, (36), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2023-11-06 22:42:34,717 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:42:34,718 INFO L93 Difference]: Finished difference Result 149 states and 223 transitions. [2023-11-06 22:42:34,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-06 22:42:34,719 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.0) internal successors, (36), 4 states have internal predecessors, (36), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 148 [2023-11-06 22:42:34,724 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:42:34,729 INFO L225 Difference]: With dead ends: 149 [2023-11-06 22:42:34,730 INFO L226 Difference]: Without dead ends: 86 [2023-11-06 22:42:34,734 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 148 GetRequests, 145 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 22:42:34,736 INFO L413 NwaCegarLoop]: 95 mSDtfsCounter, 31 mSDsluCounter, 181 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 31 SdHoareTripleChecker+Valid, 276 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-06 22:42:34,739 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [31 Valid, 276 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-06 22:42:34,744 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86 states. [2023-11-06 22:42:34,768 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86 to 74. [2023-11-06 22:42:34,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 74 states, 49 states have (on average 1.3265306122448979) internal successors, (65), 49 states have internal predecessors, (65), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2023-11-06 22:42:34,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 111 transitions. [2023-11-06 22:42:34,771 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 111 transitions. Word has length 148 [2023-11-06 22:42:34,775 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:42:34,776 INFO L495 AbstractCegarLoop]: Abstraction has 74 states and 111 transitions. [2023-11-06 22:42:34,776 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.0) internal successors, (36), 4 states have internal predecessors, (36), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2023-11-06 22:42:34,777 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 111 transitions. [2023-11-06 22:42:34,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2023-11-06 22:42:34,789 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:42:34,789 INFO L195 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:42:34,803 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb990143-fcf6-49d5-a632-5e5b35eb3328/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-11-06 22:42:34,997 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb990143-fcf6-49d5-a632-5e5b35eb3328/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:42:34,998 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:42:34,999 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:42:35,000 INFO L85 PathProgramCache]: Analyzing trace with hash -2109701824, now seen corresponding path program 1 times [2023-11-06 22:42:35,000 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:42:35,000 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [235654171] [2023-11-06 22:42:35,001 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:42:35,001 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:42:35,098 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 22:42:35,099 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1888001327] [2023-11-06 22:42:35,099 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:42:35,099 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:42:35,099 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb990143-fcf6-49d5-a632-5e5b35eb3328/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:42:35,101 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb990143-fcf6-49d5-a632-5e5b35eb3328/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:42:35,120 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb990143-fcf6-49d5-a632-5e5b35eb3328/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-11-06 22:42:35,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:42:35,509 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-06 22:42:35,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:42:35,754 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-06 22:42:35,755 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-06 22:42:35,756 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-06 22:42:35,772 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb990143-fcf6-49d5-a632-5e5b35eb3328/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2023-11-06 22:42:35,966 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb990143-fcf6-49d5-a632-5e5b35eb3328/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:42:35,971 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2023-11-06 22:42:35,976 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-06 22:42:36,216 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.11 10:42:36 BoogieIcfgContainer [2023-11-06 22:42:36,216 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-06 22:42:36,218 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-06 22:42:36,219 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-06 22:42:36,219 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-06 22:42:36,220 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:42:32" (3/4) ... [2023-11-06 22:42:36,222 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-06 22:42:36,224 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-06 22:42:36,232 INFO L158 Benchmark]: Toolchain (without parser) took 5098.92ms. Allocated memory was 125.8MB in the beginning and 222.3MB in the end (delta: 96.5MB). Free memory was 61.4MB in the beginning and 169.6MB in the end (delta: -108.2MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 22:42:36,237 INFO L158 Benchmark]: CDTParser took 0.37ms. Allocated memory is still 125.8MB. Free memory was 96.1MB in the beginning and 96.0MB in the end (delta: 153.1kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-06 22:42:36,238 INFO L158 Benchmark]: CACSL2BoogieTranslator took 615.58ms. Allocated memory was 125.8MB in the beginning and 184.5MB in the end (delta: 58.7MB). Free memory was 61.1MB in the beginning and 146.2MB in the end (delta: -85.1MB). Peak memory consumption was 9.6MB. Max. memory is 16.1GB. [2023-11-06 22:42:36,238 INFO L158 Benchmark]: Boogie Procedure Inliner took 126.12ms. Allocated memory is still 184.5MB. Free memory was 146.2MB in the beginning and 143.2MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-06 22:42:36,239 INFO L158 Benchmark]: Boogie Preprocessor took 50.66ms. Allocated memory is still 184.5MB. Free memory was 143.2MB in the beginning and 141.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-06 22:42:36,242 INFO L158 Benchmark]: RCFGBuilder took 736.66ms. Allocated memory is still 184.5MB. Free memory was 141.1MB in the beginning and 121.0MB in the end (delta: 20.1MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2023-11-06 22:42:36,244 INFO L158 Benchmark]: TraceAbstraction took 3550.05ms. Allocated memory was 184.5MB in the beginning and 222.3MB in the end (delta: 37.7MB). Free memory was 120.1MB in the beginning and 170.7MB in the end (delta: -50.6MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 22:42:36,245 INFO L158 Benchmark]: Witness Printer took 6.36ms. Allocated memory is still 222.3MB. Free memory was 170.7MB in the beginning and 169.6MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 22:42:36,248 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37ms. Allocated memory is still 125.8MB. Free memory was 96.1MB in the beginning and 96.0MB in the end (delta: 153.1kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 615.58ms. Allocated memory was 125.8MB in the beginning and 184.5MB in the end (delta: 58.7MB). Free memory was 61.1MB in the beginning and 146.2MB in the end (delta: -85.1MB). Peak memory consumption was 9.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 126.12ms. Allocated memory is still 184.5MB. Free memory was 146.2MB in the beginning and 143.2MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 50.66ms. Allocated memory is still 184.5MB. Free memory was 143.2MB in the beginning and 141.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 736.66ms. Allocated memory is still 184.5MB. Free memory was 141.1MB in the beginning and 121.0MB in the end (delta: 20.1MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * TraceAbstraction took 3550.05ms. Allocated memory was 184.5MB in the beginning and 222.3MB in the end (delta: 37.7MB). Free memory was 120.1MB in the beginning and 170.7MB in the end (delta: -50.6MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 6.36ms. Allocated memory is still 222.3MB. Free memory was 170.7MB in the beginning and 169.6MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.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 138, overapproximation of someUnaryDOUBLEoperation at line 35, overapproximation of someBinaryArithmeticFLOAToperation at line 82. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed short int var_1_1 = 16; [L23] unsigned char var_1_2 = 0; [L24] signed short int var_1_3 = -200; [L25] signed short int var_1_4 = 2; [L26] signed char var_1_5 = -8; [L27] unsigned char var_1_6 = 10; [L28] unsigned char var_1_7 = 128; [L29] unsigned char var_1_8 = 1; [L30] float var_1_9 = 9999999999.5; [L31] unsigned char var_1_10 = 1; [L32] unsigned char var_1_11 = 0; [L33] unsigned char var_1_12 = 0; [L34] signed short int var_1_13 = 200; [L35] float var_1_14 = -0.8; [L36] float var_1_15 = 127.25; [L37] float var_1_16 = 3.5; [L38] unsigned short int var_1_17 = 16; [L39] unsigned short int var_1_18 = 100; [L40] unsigned char var_1_19 = 1; [L41] unsigned char var_1_20 = 0; VAL [isInitial=0, var_1_10=1, var_1_11=0, var_1_12=0, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_18=100, var_1_19=1, var_1_1=16, var_1_20=0, var_1_2=0, var_1_3=-200, var_1_4=2, var_1_5=-8, var_1_6=10, var_1_7=128, var_1_8=1, var_1_9=19999999999/2] [L142] isInitial = 1 [L143] FCALL initially() [L144] COND TRUE 1 [L145] FCALL updateLastVariables() [L146] CALL updateVariables() [L98] var_1_2 = __VERIFIER_nondet_uchar() [L99] CALL assume_abort_if_not(var_1_2 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=0, var_1_12=0, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_18=100, var_1_19=1, var_1_1=16, var_1_20=0, var_1_3=-200, var_1_4=2, var_1_5=-8, var_1_6=10, var_1_7=128, var_1_8=1, var_1_9=19999999999/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=1, var_1_11=0, var_1_12=0, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_18=100, var_1_19=1, var_1_1=16, var_1_20=0, var_1_3=-200, var_1_4=2, var_1_5=-8, var_1_6=10, var_1_7=128, var_1_8=1, var_1_9=19999999999/2] [L99] RET assume_abort_if_not(var_1_2 >= 0) VAL [isInitial=1, var_1_10=1, var_1_11=0, var_1_12=0, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_18=100, var_1_19=1, var_1_1=16, var_1_20=0, var_1_3=-200, var_1_4=2, var_1_5=-8, var_1_6=10, var_1_7=128, var_1_8=1, var_1_9=19999999999/2] [L100] CALL assume_abort_if_not(var_1_2 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=0, var_1_12=0, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_18=100, var_1_19=1, var_1_1=16, var_1_20=0, var_1_2=1, var_1_3=-200, var_1_4=2, var_1_5=-8, var_1_6=10, var_1_7=128, var_1_8=1, var_1_9=19999999999/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=1, var_1_11=0, var_1_12=0, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_18=100, var_1_19=1, var_1_1=16, var_1_20=0, var_1_2=1, var_1_3=-200, var_1_4=2, var_1_5=-8, var_1_6=10, var_1_7=128, var_1_8=1, var_1_9=19999999999/2] [L100] RET assume_abort_if_not(var_1_2 <= 1) VAL [isInitial=1, var_1_10=1, var_1_11=0, var_1_12=0, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_18=100, var_1_19=1, var_1_1=16, var_1_20=0, var_1_2=1, var_1_3=-200, var_1_4=2, var_1_5=-8, var_1_6=10, var_1_7=128, var_1_8=1, var_1_9=19999999999/2] [L101] var_1_3 = __VERIFIER_nondet_short() [L102] CALL assume_abort_if_not(var_1_3 >= -32767) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=0, var_1_12=0, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_18=100, var_1_19=1, var_1_1=16, var_1_20=0, var_1_2=1, var_1_3=27, var_1_4=2, var_1_5=-8, var_1_6=10, var_1_7=128, var_1_8=1, var_1_9=19999999999/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=1, var_1_11=0, var_1_12=0, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_18=100, var_1_19=1, var_1_1=16, var_1_20=0, var_1_2=1, var_1_3=27, var_1_4=2, var_1_5=-8, var_1_6=10, var_1_7=128, var_1_8=1, var_1_9=19999999999/2] [L102] RET assume_abort_if_not(var_1_3 >= -32767) VAL [isInitial=1, var_1_10=1, var_1_11=0, var_1_12=0, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_18=100, var_1_19=1, var_1_1=16, var_1_20=0, var_1_2=1, var_1_3=27, var_1_4=2, var_1_5=-8, var_1_6=10, var_1_7=128, var_1_8=1, var_1_9=19999999999/2] [L103] CALL assume_abort_if_not(var_1_3 <= 32766) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=0, var_1_12=0, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_18=100, var_1_19=1, var_1_1=16, var_1_20=0, var_1_2=1, var_1_3=27, var_1_4=2, var_1_5=-8, var_1_6=10, var_1_7=128, var_1_8=1, var_1_9=19999999999/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=1, var_1_11=0, var_1_12=0, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_18=100, var_1_19=1, var_1_1=16, var_1_20=0, var_1_2=1, var_1_3=27, var_1_4=2, var_1_5=-8, var_1_6=10, var_1_7=128, var_1_8=1, var_1_9=19999999999/2] [L103] RET assume_abort_if_not(var_1_3 <= 32766) VAL [isInitial=1, var_1_10=1, var_1_11=0, var_1_12=0, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_18=100, var_1_19=1, var_1_1=16, var_1_20=0, var_1_2=1, var_1_3=27, var_1_4=2, var_1_5=-8, var_1_6=10, var_1_7=128, var_1_8=1, var_1_9=19999999999/2] [L104] var_1_4 = __VERIFIER_nondet_short() [L105] CALL assume_abort_if_not(var_1_4 >= -32767) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=0, var_1_12=0, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_18=100, var_1_19=1, var_1_1=16, var_1_20=0, var_1_2=1, var_1_3=27, var_1_4=3557, var_1_5=-8, var_1_6=10, var_1_7=128, var_1_8=1, var_1_9=19999999999/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=1, var_1_11=0, var_1_12=0, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_18=100, var_1_19=1, var_1_1=16, var_1_20=0, var_1_2=1, var_1_3=27, var_1_4=3557, var_1_5=-8, var_1_6=10, var_1_7=128, var_1_8=1, var_1_9=19999999999/2] [L105] RET assume_abort_if_not(var_1_4 >= -32767) VAL [isInitial=1, var_1_10=1, var_1_11=0, var_1_12=0, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_18=100, var_1_19=1, var_1_1=16, var_1_20=0, var_1_2=1, var_1_3=27, var_1_4=3557, var_1_5=-8, var_1_6=10, var_1_7=128, var_1_8=1, var_1_9=19999999999/2] [L106] CALL assume_abort_if_not(var_1_4 <= 32766) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=0, var_1_12=0, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_18=100, var_1_19=1, var_1_1=16, var_1_20=0, var_1_2=1, var_1_3=27, var_1_4=3557, var_1_5=-8, var_1_6=10, var_1_7=128, var_1_8=1, var_1_9=19999999999/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=1, var_1_11=0, var_1_12=0, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_18=100, var_1_19=1, var_1_1=16, var_1_20=0, var_1_2=1, var_1_3=27, var_1_4=3557, var_1_5=-8, var_1_6=10, var_1_7=128, var_1_8=1, var_1_9=19999999999/2] [L106] RET assume_abort_if_not(var_1_4 <= 32766) VAL [isInitial=1, var_1_10=1, var_1_11=0, var_1_12=0, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_18=100, var_1_19=1, var_1_1=16, var_1_20=0, var_1_2=1, var_1_3=27, var_1_4=3557, var_1_5=-8, var_1_6=10, var_1_7=128, var_1_8=1, var_1_9=19999999999/2] [L107] var_1_5 = __VERIFIER_nondet_char() [L108] CALL assume_abort_if_not(var_1_5 >= -127) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=0, var_1_12=0, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_18=100, var_1_19=1, var_1_1=16, var_1_20=0, var_1_2=1, var_1_3=27, var_1_4=3557, var_1_5=127, var_1_6=10, var_1_7=128, var_1_8=1, var_1_9=19999999999/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=1, var_1_11=0, var_1_12=0, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_18=100, var_1_19=1, var_1_1=16, var_1_20=0, var_1_2=1, var_1_3=27, var_1_4=3557, var_1_5=127, var_1_6=10, var_1_7=128, var_1_8=1, var_1_9=19999999999/2] [L108] RET assume_abort_if_not(var_1_5 >= -127) VAL [isInitial=1, var_1_10=1, var_1_11=0, var_1_12=0, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_18=100, var_1_19=1, var_1_1=16, var_1_20=0, var_1_2=1, var_1_3=27, var_1_4=3557, var_1_5=127, var_1_6=10, var_1_7=128, var_1_8=1, var_1_9=19999999999/2] [L109] CALL assume_abort_if_not(var_1_5 <= 127) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=0, var_1_12=0, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_18=100, var_1_19=1, var_1_1=16, var_1_20=0, var_1_2=1, var_1_3=27, var_1_4=3557, var_1_5=127, var_1_6=10, var_1_7=128, var_1_8=1, var_1_9=19999999999/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=1, var_1_11=0, var_1_12=0, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_18=100, var_1_19=1, var_1_1=16, var_1_20=0, var_1_2=1, var_1_3=27, var_1_4=3557, var_1_5=127, var_1_6=10, var_1_7=128, var_1_8=1, var_1_9=19999999999/2] [L109] RET assume_abort_if_not(var_1_5 <= 127) VAL [isInitial=1, var_1_10=1, var_1_11=0, var_1_12=0, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_18=100, var_1_19=1, var_1_1=16, var_1_20=0, var_1_2=1, var_1_3=27, var_1_4=3557, var_1_5=127, var_1_6=10, var_1_7=128, var_1_8=1, var_1_9=19999999999/2] [L110] var_1_7 = __VERIFIER_nondet_uchar() [L111] CALL assume_abort_if_not(var_1_7 >= 127) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=0, var_1_12=0, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_18=100, var_1_19=1, var_1_1=16, var_1_20=0, var_1_2=1, var_1_3=27, var_1_4=3557, var_1_5=127, var_1_6=10, var_1_7=127, var_1_8=1, var_1_9=19999999999/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=1, var_1_11=0, var_1_12=0, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_18=100, var_1_19=1, var_1_1=16, var_1_20=0, var_1_2=1, var_1_3=27, var_1_4=3557, var_1_5=127, var_1_6=10, var_1_7=127, var_1_8=1, var_1_9=19999999999/2] [L111] RET assume_abort_if_not(var_1_7 >= 127) VAL [isInitial=1, var_1_10=1, var_1_11=0, var_1_12=0, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_18=100, var_1_19=1, var_1_1=16, var_1_20=0, var_1_2=1, var_1_3=27, var_1_4=3557, var_1_5=127, var_1_6=10, var_1_7=127, var_1_8=1, var_1_9=19999999999/2] [L112] CALL assume_abort_if_not(var_1_7 <= 254) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=0, var_1_12=0, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_18=100, var_1_19=1, var_1_1=16, var_1_20=0, var_1_2=1, var_1_3=27, var_1_4=3557, var_1_5=127, var_1_6=10, var_1_7=127, var_1_8=1, var_1_9=19999999999/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=1, var_1_11=0, var_1_12=0, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_18=100, var_1_19=1, var_1_1=16, var_1_20=0, var_1_2=1, var_1_3=27, var_1_4=3557, var_1_5=127, var_1_6=10, var_1_7=127, var_1_8=1, var_1_9=19999999999/2] [L112] RET assume_abort_if_not(var_1_7 <= 254) VAL [isInitial=1, var_1_10=1, var_1_11=0, var_1_12=0, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_18=100, var_1_19=1, var_1_1=16, var_1_20=0, var_1_2=1, var_1_3=27, var_1_4=3557, var_1_5=127, var_1_6=10, var_1_7=127, var_1_8=1, var_1_9=19999999999/2] [L113] var_1_9 = __VERIFIER_nondet_float() [L114] CALL assume_abort_if_not((var_1_9 >= -922337.2036854776000e+13F && 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=1, var_1_11=0, var_1_12=0, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_18=100, var_1_19=1, var_1_1=16, var_1_20=0, var_1_2=1, var_1_3=27, var_1_4=3557, var_1_5=127, var_1_6=10, var_1_7=127, var_1_8=1, var_1_9=2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=1, var_1_11=0, var_1_12=0, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_18=100, var_1_19=1, var_1_1=16, var_1_20=0, var_1_2=1, var_1_3=27, var_1_4=3557, var_1_5=127, var_1_6=10, var_1_7=127, var_1_8=1, var_1_9=2] [L114] RET assume_abort_if_not((var_1_9 >= -922337.2036854776000e+13F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 9223372.036854776000e+12F && var_1_9 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=1, var_1_11=0, var_1_12=0, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_18=100, var_1_19=1, var_1_1=16, var_1_20=0, var_1_2=1, var_1_3=27, var_1_4=3557, var_1_5=127, var_1_6=10, var_1_7=127, var_1_8=1, var_1_9=2] [L115] var_1_10 = __VERIFIER_nondet_uchar() [L116] CALL assume_abort_if_not(var_1_10 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=0, var_1_12=0, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_18=100, var_1_19=1, var_1_1=16, var_1_20=0, var_1_2=1, var_1_3=27, var_1_4=3557, var_1_5=127, var_1_6=10, var_1_7=127, var_1_8=1, var_1_9=2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=1, var_1_11=0, var_1_12=0, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_18=100, var_1_19=1, var_1_1=16, var_1_20=0, var_1_2=1, var_1_3=27, var_1_4=3557, var_1_5=127, var_1_6=10, var_1_7=127, var_1_8=1, var_1_9=2] [L116] RET assume_abort_if_not(var_1_10 >= 0) VAL [isInitial=1, var_1_10=1, var_1_11=0, var_1_12=0, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_18=100, var_1_19=1, var_1_1=16, var_1_20=0, var_1_2=1, var_1_3=27, var_1_4=3557, var_1_5=127, var_1_6=10, var_1_7=127, var_1_8=1, var_1_9=2] [L117] CALL assume_abort_if_not(var_1_10 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=0, var_1_12=0, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_18=100, var_1_19=1, var_1_1=16, var_1_20=0, var_1_2=1, var_1_3=27, var_1_4=3557, var_1_5=127, var_1_6=10, var_1_7=127, var_1_8=1, var_1_9=2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=1, var_1_11=0, var_1_12=0, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_18=100, var_1_19=1, var_1_1=16, var_1_20=0, var_1_2=1, var_1_3=27, var_1_4=3557, var_1_5=127, var_1_6=10, var_1_7=127, var_1_8=1, var_1_9=2] [L117] RET assume_abort_if_not(var_1_10 <= 1) VAL [isInitial=1, var_1_10=1, var_1_11=0, var_1_12=0, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_18=100, var_1_19=1, var_1_1=16, var_1_20=0, var_1_2=1, var_1_3=27, var_1_4=3557, var_1_5=127, var_1_6=10, var_1_7=127, var_1_8=1, var_1_9=2] [L118] var_1_11 = __VERIFIER_nondet_uchar() [L119] CALL assume_abort_if_not(var_1_11 >= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_18=100, var_1_19=1, var_1_1=16, var_1_20=0, var_1_2=1, var_1_3=27, var_1_4=3557, var_1_5=127, var_1_6=10, var_1_7=127, var_1_8=1, var_1_9=2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_18=100, var_1_19=1, var_1_1=16, var_1_20=0, var_1_2=1, var_1_3=27, var_1_4=3557, var_1_5=127, var_1_6=10, var_1_7=127, var_1_8=1, var_1_9=2] [L119] RET assume_abort_if_not(var_1_11 >= 1) VAL [isInitial=1, var_1_10=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_18=100, var_1_19=1, var_1_1=16, var_1_20=0, var_1_2=1, var_1_3=27, var_1_4=3557, var_1_5=127, var_1_6=10, var_1_7=127, var_1_8=1, var_1_9=2] [L120] CALL assume_abort_if_not(var_1_11 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_18=100, var_1_19=1, var_1_1=16, var_1_20=0, var_1_2=1, var_1_3=27, var_1_4=3557, var_1_5=127, var_1_6=10, var_1_7=127, var_1_8=1, var_1_9=2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_18=100, var_1_19=1, var_1_1=16, var_1_20=0, var_1_2=1, var_1_3=27, var_1_4=3557, var_1_5=127, var_1_6=10, var_1_7=127, var_1_8=1, var_1_9=2] [L120] RET assume_abort_if_not(var_1_11 <= 1) VAL [isInitial=1, var_1_10=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_18=100, var_1_19=1, var_1_1=16, var_1_20=0, var_1_2=1, var_1_3=27, var_1_4=3557, var_1_5=127, var_1_6=10, var_1_7=127, var_1_8=1, var_1_9=2] [L121] var_1_12 = __VERIFIER_nondet_uchar() [L122] CALL assume_abort_if_not(var_1_12 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_18=100, var_1_19=1, var_1_1=16, var_1_20=0, var_1_2=1, var_1_3=27, var_1_4=3557, var_1_5=127, var_1_6=10, var_1_7=127, var_1_8=1, var_1_9=2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_18=100, var_1_19=1, var_1_1=16, var_1_20=0, var_1_2=1, var_1_3=27, var_1_4=3557, var_1_5=127, var_1_6=10, var_1_7=127, var_1_8=1, var_1_9=2] [L122] RET assume_abort_if_not(var_1_12 >= 0) VAL [isInitial=1, var_1_10=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_18=100, var_1_19=1, var_1_1=16, var_1_20=0, var_1_2=1, var_1_3=27, var_1_4=3557, var_1_5=127, var_1_6=10, var_1_7=127, var_1_8=1, var_1_9=2] [L123] CALL assume_abort_if_not(var_1_12 <= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_18=100, var_1_19=1, var_1_1=16, var_1_20=0, var_1_2=1, var_1_3=27, var_1_4=3557, var_1_5=127, var_1_6=10, var_1_7=127, var_1_8=1, var_1_9=2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_18=100, var_1_19=1, var_1_1=16, var_1_20=0, var_1_2=1, var_1_3=27, var_1_4=3557, var_1_5=127, var_1_6=10, var_1_7=127, var_1_8=1, var_1_9=2] [L123] RET assume_abort_if_not(var_1_12 <= 0) VAL [isInitial=1, var_1_10=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_18=100, var_1_19=1, var_1_1=16, var_1_20=0, var_1_2=1, var_1_3=27, var_1_4=3557, var_1_5=127, var_1_6=10, var_1_7=127, var_1_8=1, var_1_9=2] [L124] var_1_15 = __VERIFIER_nondet_float() [L125] CALL assume_abort_if_not((var_1_15 >= -461168.6018427382800e+13F && var_1_15 <= -1.0e-20F) || (var_1_15 <= 4611686.018427382800e+12F && var_1_15 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_15=3, var_1_16=7/2, var_1_17=16, var_1_18=100, var_1_19=1, var_1_1=16, var_1_20=0, var_1_2=1, var_1_3=27, var_1_4=3557, var_1_5=127, var_1_6=10, var_1_7=127, var_1_8=1, var_1_9=2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_15=3, var_1_16=7/2, var_1_17=16, var_1_18=100, var_1_19=1, var_1_1=16, var_1_20=0, var_1_2=1, var_1_3=27, var_1_4=3557, var_1_5=127, var_1_6=10, var_1_7=127, var_1_8=1, var_1_9=2] [L125] RET assume_abort_if_not((var_1_15 >= -461168.6018427382800e+13F && var_1_15 <= -1.0e-20F) || (var_1_15 <= 4611686.018427382800e+12F && var_1_15 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_15=3, var_1_16=7/2, var_1_17=16, var_1_18=100, var_1_19=1, var_1_1=16, var_1_20=0, var_1_2=1, var_1_3=27, var_1_4=3557, var_1_5=127, var_1_6=10, var_1_7=127, var_1_8=1, var_1_9=2] [L126] var_1_16 = __VERIFIER_nondet_float() [L127] CALL assume_abort_if_not((var_1_16 >= -461168.6018427382800e+13F && var_1_16 <= -1.0e-20F) || (var_1_16 <= 4611686.018427382800e+12F && var_1_16 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_15=3, var_1_16=4, var_1_17=16, var_1_18=100, var_1_19=1, var_1_1=16, var_1_20=0, var_1_2=1, var_1_3=27, var_1_4=3557, var_1_5=127, var_1_6=10, var_1_7=127, var_1_8=1, var_1_9=2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_15=3, var_1_16=4, var_1_17=16, var_1_18=100, var_1_19=1, var_1_1=16, var_1_20=0, var_1_2=1, var_1_3=27, var_1_4=3557, var_1_5=127, var_1_6=10, var_1_7=127, var_1_8=1, var_1_9=2] [L127] RET assume_abort_if_not((var_1_16 >= -461168.6018427382800e+13F && var_1_16 <= -1.0e-20F) || (var_1_16 <= 4611686.018427382800e+12F && var_1_16 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_15=3, var_1_16=4, var_1_17=16, var_1_18=100, var_1_19=1, var_1_1=16, var_1_20=0, var_1_2=1, var_1_3=27, var_1_4=3557, var_1_5=127, var_1_6=10, var_1_7=127, var_1_8=1, var_1_9=2] [L128] var_1_18 = __VERIFIER_nondet_ushort() [L129] CALL assume_abort_if_not(var_1_18 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_15=3, var_1_16=4, var_1_17=16, var_1_18=0, var_1_19=1, var_1_1=16, var_1_20=0, var_1_2=1, var_1_3=27, var_1_4=3557, var_1_5=127, var_1_6=10, var_1_7=127, var_1_8=1, var_1_9=2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_15=3, var_1_16=4, var_1_17=16, var_1_18=0, var_1_19=1, var_1_1=16, var_1_20=0, var_1_2=1, var_1_3=27, var_1_4=3557, var_1_5=127, var_1_6=10, var_1_7=127, var_1_8=1, var_1_9=2] [L129] RET assume_abort_if_not(var_1_18 >= 0) VAL [isInitial=1, var_1_10=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_15=3, var_1_16=4, var_1_17=16, var_1_18=0, var_1_19=1, var_1_1=16, var_1_20=0, var_1_2=1, var_1_3=27, var_1_4=3557, var_1_5=127, var_1_6=10, var_1_7=127, var_1_8=1, var_1_9=2] [L130] CALL assume_abort_if_not(var_1_18 <= 32767) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_15=3, var_1_16=4, var_1_17=16, var_1_18=0, var_1_19=1, var_1_1=16, var_1_20=0, var_1_2=1, var_1_3=27, var_1_4=3557, var_1_5=127, var_1_6=10, var_1_7=127, var_1_8=1, var_1_9=2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_15=3, var_1_16=4, var_1_17=16, var_1_18=0, var_1_19=1, var_1_1=16, var_1_20=0, var_1_2=1, var_1_3=27, var_1_4=3557, var_1_5=127, var_1_6=10, var_1_7=127, var_1_8=1, var_1_9=2] [L130] RET assume_abort_if_not(var_1_18 <= 32767) VAL [isInitial=1, var_1_10=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_15=3, var_1_16=4, var_1_17=16, var_1_18=0, var_1_19=1, var_1_1=16, var_1_20=0, var_1_2=1, var_1_3=27, var_1_4=3557, var_1_5=127, var_1_6=10, var_1_7=127, var_1_8=1, var_1_9=2] [L131] var_1_20 = __VERIFIER_nondet_uchar() [L132] CALL assume_abort_if_not(var_1_20 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_15=3, var_1_16=4, var_1_17=16, var_1_18=0, var_1_19=1, var_1_1=16, var_1_20=0, var_1_2=1, var_1_3=27, var_1_4=3557, var_1_5=127, var_1_6=10, var_1_7=127, var_1_8=1, var_1_9=2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_15=3, var_1_16=4, var_1_17=16, var_1_18=0, var_1_19=1, var_1_1=16, var_1_20=0, var_1_2=1, var_1_3=27, var_1_4=3557, var_1_5=127, var_1_6=10, var_1_7=127, var_1_8=1, var_1_9=2] [L132] RET assume_abort_if_not(var_1_20 >= 0) VAL [isInitial=1, var_1_10=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_15=3, var_1_16=4, var_1_17=16, var_1_18=0, var_1_19=1, var_1_1=16, var_1_20=0, var_1_2=1, var_1_3=27, var_1_4=3557, var_1_5=127, var_1_6=10, var_1_7=127, var_1_8=1, var_1_9=2] [L133] CALL assume_abort_if_not(var_1_20 <= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_15=3, var_1_16=4, var_1_17=16, var_1_18=0, var_1_19=1, var_1_1=16, var_1_20=0, var_1_2=1, var_1_3=27, var_1_4=3557, var_1_5=127, var_1_6=10, var_1_7=127, var_1_8=1, var_1_9=2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_15=3, var_1_16=4, var_1_17=16, var_1_18=0, var_1_19=1, var_1_1=16, var_1_20=0, var_1_2=1, var_1_3=27, var_1_4=3557, var_1_5=127, var_1_6=10, var_1_7=127, var_1_8=1, var_1_9=2] [L133] RET assume_abort_if_not(var_1_20 <= 0) VAL [isInitial=1, var_1_10=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_15=3, var_1_16=4, var_1_17=16, var_1_18=0, var_1_19=1, var_1_1=16, var_1_20=0, var_1_2=1, var_1_3=27, var_1_4=3557, var_1_5=127, var_1_6=10, var_1_7=127, var_1_8=1, var_1_9=2] [L146] RET updateVariables() [L147] CALL step() [L45] signed short int stepLocal_0 = var_1_3; VAL [isInitial=1, stepLocal_0=27, var_1_10=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_15=3, var_1_16=4, var_1_17=16, var_1_18=0, var_1_19=1, var_1_1=16, var_1_20=0, var_1_2=1, var_1_3=27, var_1_4=3557, var_1_5=127, var_1_6=10, var_1_7=127, var_1_8=1, var_1_9=2] [L46] COND TRUE \read(var_1_2) [L47] var_1_1 = ((((var_1_3) > (var_1_4)) ? (var_1_3) : (var_1_4))) VAL [isInitial=1, stepLocal_0=27, var_1_10=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_15=3, var_1_16=4, var_1_17=16, var_1_18=0, var_1_19=1, var_1_1=3557, var_1_20=0, var_1_2=1, var_1_3=27, var_1_4=3557, var_1_5=127, var_1_6=10, var_1_7=127, var_1_8=1, var_1_9=2] [L53] COND TRUE var_1_5 >= -2 [L54] var_1_6 = (var_1_7 - 100) VAL [isInitial=1, stepLocal_0=27, var_1_10=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_15=3, var_1_16=4, var_1_17=16, var_1_18=0, var_1_19=1, var_1_1=3557, var_1_20=0, var_1_2=1, var_1_3=27, var_1_4=3557, var_1_5=127, var_1_6=27, var_1_7=127, var_1_8=1, var_1_9=2] [L56] unsigned char stepLocal_2 = 49.5f <= var_1_9; [L57] signed short int stepLocal_1 = var_1_1; VAL [isInitial=1, stepLocal_0=27, stepLocal_1=3557, stepLocal_2=0, var_1_10=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_15=3, var_1_16=4, var_1_17=16, var_1_18=0, var_1_19=1, var_1_1=3557, var_1_20=0, var_1_2=1, var_1_3=27, var_1_4=3557, var_1_5=127, var_1_6=27, var_1_7=127, var_1_8=1, var_1_9=2] [L58] COND FALSE !(stepLocal_2 && (var_1_2 && var_1_10)) [L65] var_1_8 = var_1_12 VAL [isInitial=1, stepLocal_0=27, stepLocal_1=3557, stepLocal_2=0, var_1_10=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_15=3, var_1_16=4, var_1_17=16, var_1_18=0, var_1_19=1, var_1_1=3557, var_1_20=0, var_1_2=1, var_1_3=27, var_1_4=3557, var_1_5=127, var_1_6=27, var_1_7=127, var_1_8=0, var_1_9=2] [L67] unsigned char stepLocal_4 = var_1_6; [L68] signed long int stepLocal_3 = (((((((var_1_3) > (var_1_6)) ? (var_1_3) : (var_1_6)))) > (var_1_5)) ? (((((var_1_3) > (var_1_6)) ? (var_1_3) : (var_1_6)))) : (var_1_5)); VAL [isInitial=1, stepLocal_0=27, stepLocal_1=3557, stepLocal_2=0, stepLocal_3=127, stepLocal_4=27, var_1_10=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_15=3, var_1_16=4, var_1_17=16, var_1_18=0, var_1_19=1, var_1_1=3557, var_1_20=0, var_1_2=1, var_1_3=27, var_1_4=3557, var_1_5=127, var_1_6=27, var_1_7=127, var_1_8=0, var_1_9=2] [L69] COND FALSE !(stepLocal_4 >= (var_1_1 / var_1_7)) [L76] var_1_13 = var_1_3 VAL [isInitial=1, stepLocal_0=27, stepLocal_1=3557, stepLocal_2=0, stepLocal_3=127, stepLocal_4=27, var_1_10=1, var_1_11=1, var_1_12=0, var_1_13=27, var_1_15=3, var_1_16=4, var_1_17=16, var_1_18=0, var_1_19=1, var_1_1=3557, var_1_20=0, var_1_2=1, var_1_3=27, var_1_4=3557, var_1_5=127, var_1_6=27, var_1_7=127, var_1_8=0, var_1_9=2] [L78] unsigned char stepLocal_6 = var_1_2; [L79] signed short int stepLocal_5 = var_1_13; VAL [isInitial=1, stepLocal_0=27, stepLocal_1=3557, stepLocal_2=0, stepLocal_3=127, stepLocal_4=27, stepLocal_5=27, stepLocal_6=1, var_1_10=1, var_1_11=1, var_1_12=0, var_1_13=27, var_1_15=3, var_1_16=4, var_1_17=16, var_1_18=0, var_1_19=1, var_1_1=3557, var_1_20=0, var_1_2=1, var_1_3=27, var_1_4=3557, var_1_5=127, var_1_6=27, var_1_7=127, var_1_8=0, var_1_9=2] [L80] COND TRUE (((((var_1_13) < (8)) ? (var_1_13) : (8))) <= var_1_5) || stepLocal_6 VAL [isInitial=1, stepLocal_0=27, stepLocal_1=3557, stepLocal_2=0, stepLocal_3=127, stepLocal_4=27, stepLocal_5=27, stepLocal_6=1, var_1_10=1, var_1_11=1, var_1_12=0, var_1_13=27, var_1_15=3, var_1_16=4, var_1_17=16, var_1_18=0, var_1_19=1, var_1_1=3557, var_1_20=0, var_1_2=1, var_1_3=27, var_1_4=3557, var_1_5=127, var_1_6=27, var_1_7=127, var_1_8=0, var_1_9=2] [L81] COND TRUE stepLocal_5 <= var_1_3 [L82] var_1_14 = (var_1_15 + var_1_16) VAL [isInitial=1, stepLocal_0=27, stepLocal_1=3557, stepLocal_2=0, stepLocal_3=127, stepLocal_4=27, stepLocal_5=27, stepLocal_6=1, var_1_10=1, var_1_11=1, var_1_12=0, var_1_13=27, var_1_15=3, var_1_16=4, var_1_17=16, var_1_18=0, var_1_19=1, var_1_1=3557, var_1_20=0, var_1_2=1, var_1_3=27, var_1_4=3557, var_1_5=127, var_1_6=27, var_1_7=127, var_1_8=0, var_1_9=2] [L89] signed short int stepLocal_7 = var_1_3; VAL [isInitial=1, stepLocal_0=27, stepLocal_1=3557, stepLocal_2=0, stepLocal_3=127, stepLocal_4=27, stepLocal_5=27, stepLocal_6=1, stepLocal_7=27, var_1_10=1, var_1_11=1, var_1_12=0, var_1_13=27, var_1_15=3, var_1_16=4, var_1_17=16, var_1_18=0, var_1_19=1, var_1_1=3557, var_1_20=0, var_1_2=1, var_1_3=27, var_1_4=3557, var_1_5=127, var_1_6=27, var_1_7=127, var_1_8=0, var_1_9=2] [L90] COND TRUE var_1_4 > stepLocal_7 [L91] var_1_17 = ((((25) > ((var_1_6 + var_1_18))) ? (25) : ((var_1_6 + var_1_18)))) VAL [isInitial=1, stepLocal_0=27, stepLocal_1=3557, stepLocal_2=0, stepLocal_3=127, stepLocal_4=27, stepLocal_5=27, stepLocal_6=1, stepLocal_7=27, var_1_10=1, var_1_11=1, var_1_12=0, var_1_13=27, var_1_15=3, var_1_16=4, var_1_17=27, var_1_18=0, var_1_19=1, var_1_1=3557, var_1_20=0, var_1_2=1, var_1_3=27, var_1_4=3557, var_1_5=127, var_1_6=27, var_1_7=127, var_1_8=0, var_1_9=2] [L93] COND TRUE var_1_9 <= var_1_15 [L94] var_1_19 = (var_1_12 || var_1_20) VAL [isInitial=1, stepLocal_0=27, stepLocal_1=3557, stepLocal_2=0, stepLocal_3=127, stepLocal_4=27, stepLocal_5=27, stepLocal_6=1, stepLocal_7=27, var_1_10=1, var_1_11=1, var_1_12=0, var_1_13=27, var_1_15=3, var_1_16=4, var_1_17=27, var_1_18=0, var_1_19=0, var_1_1=3557, var_1_20=0, var_1_2=1, var_1_3=27, var_1_4=3557, var_1_5=127, var_1_6=27, var_1_7=127, var_1_8=0, var_1_9=2] [L147] RET step() [L148] CALL, EXPR property() [L138-L139] return ((((((var_1_2 ? (var_1_1 == ((signed short int) ((((var_1_3) > (var_1_4)) ? (var_1_3) : (var_1_4))))) : ((((((var_1_5) < 0 ) ? -(var_1_5) : (var_1_5))) >= var_1_3) ? (var_1_1 == ((signed short int) var_1_5)) : 1)) && ((var_1_5 >= -2) ? (var_1_6 == ((unsigned char) (var_1_7 - 100))) : 1)) && (((49.5f <= var_1_9) && (var_1_2 && var_1_10)) ? ((var_1_1 < var_1_7) ? (var_1_8 == ((unsigned char) (var_1_2 || var_1_11))) : (var_1_8 == ((unsigned char) var_1_11))) : (var_1_8 == ((unsigned char) var_1_12)))) && ((var_1_6 >= (var_1_1 / var_1_7)) ? ((var_1_1 != ((((((((var_1_3) > (var_1_6)) ? (var_1_3) : (var_1_6)))) > (var_1_5)) ? (((((var_1_3) > (var_1_6)) ? (var_1_3) : (var_1_6)))) : (var_1_5)))) ? (var_1_13 == ((signed short int) var_1_7)) : (var_1_13 == ((signed short int) var_1_6))) : (var_1_13 == ((signed short int) var_1_3)))) && (((((((var_1_13) < (8)) ? (var_1_13) : (8))) <= var_1_5) || var_1_2) ? ((var_1_13 <= var_1_3) ? (var_1_14 == ((float) (var_1_15 + var_1_16))) : (var_1_14 == ((float) var_1_16))) : (var_1_14 == ((float) var_1_16)))) && ((var_1_4 > var_1_3) ? (var_1_17 == ((unsigned short int) ((((25) > ((var_1_6 + var_1_18))) ? (25) : ((var_1_6 + var_1_18)))))) : 1)) && ((var_1_9 <= var_1_15) ? (var_1_19 == ((unsigned char) (var_1_12 || var_1_20))) : 1) ; VAL [\result=0, isInitial=1, var_1_10=1, var_1_11=1, var_1_12=0, var_1_13=27, var_1_15=3, var_1_16=4, var_1_17=27, var_1_18=0, var_1_19=0, var_1_1=3557, var_1_20=0, var_1_2=1, var_1_3=27, var_1_4=3557, var_1_5=127, var_1_6=27, var_1_7=127, var_1_8=0, var_1_9=2] [L148] RET, EXPR property() [L148] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, var_1_10=1, var_1_11=1, var_1_12=0, var_1_13=27, var_1_15=3, var_1_16=4, var_1_17=27, var_1_18=0, var_1_19=0, var_1_1=3557, var_1_20=0, var_1_2=1, var_1_3=27, var_1_4=3557, var_1_5=127, var_1_6=27, var_1_7=127, var_1_8=0, var_1_9=2] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, var_1_10=1, var_1_11=1, var_1_12=0, var_1_13=27, var_1_15=3, var_1_16=4, var_1_17=27, var_1_18=0, var_1_19=0, var_1_1=3557, var_1_20=0, var_1_2=1, var_1_3=27, var_1_4=3557, var_1_5=127, var_1_6=27, var_1_7=127, var_1_8=0, var_1_9=2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 70 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 3.2s, OverallIterations: 3, TraceHistogramMax: 23, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 31 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 31 mSDsluCounter, 375 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 181 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 22 IncrementalHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 194 mSDtfsCounter, 22 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 295 GetRequests, 292 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=74occurred in iteration=2, InterpolantAutomatonStates: 6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 2 MinimizatonAttempts, 12 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 593 NumberOfCodeBlocks, 593 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 294 ConstructedInterpolants, 0 QuantifiedInterpolants, 329 SizeOfPredicates, 2 NumberOfNonLiveVariables, 710 ConjunctsInSsa, 5 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 2024/2024 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 22:42:36,300 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb990143-fcf6-49d5-a632-5e5b35eb3328/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-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb990143-fcf6-49d5-a632-5e5b35eb3328/bin/uautomizer-verify-WvqO1wxjHP/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb990143-fcf6-49d5-a632-5e5b35eb3328/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_eb990143-fcf6-49d5-a632-5e5b35eb3328/bin/uautomizer-verify-WvqO1wxjHP/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb990143-fcf6-49d5-a632-5e5b35eb3328/bin/uautomizer-verify-WvqO1wxjHP/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-42.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb990143-fcf6-49d5-a632-5e5b35eb3328/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_eb990143-fcf6-49d5-a632-5e5b35eb3328/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 8f23a76680a88b4e3582239a1d89eab7ec3ee1b0bc583f7f275d3fe6394371a3 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-e7bb482 [2023-11-06 22:42:39,623 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-06 22:42:39,792 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb990143-fcf6-49d5-a632-5e5b35eb3328/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-11-06 22:42:39,806 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-06 22:42:39,807 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-06 22:42:39,866 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-06 22:42:39,867 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-06 22:42:39,868 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-06 22:42:39,869 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-06 22:42:39,876 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-06 22:42:39,877 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-06 22:42:39,878 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-06 22:42:39,879 INFO L153 SettingsManager]: * Use SBE=true [2023-11-06 22:42:39,881 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-06 22:42:39,882 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-06 22:42:39,883 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-06 22:42:39,883 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-06 22:42:39,884 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-06 22:42:39,884 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-06 22:42:39,885 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-06 22:42:39,886 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-06 22:42:39,887 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-06 22:42:39,887 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-06 22:42:39,888 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-06 22:42:39,888 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-06 22:42:39,889 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-06 22:42:39,889 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-06 22:42:39,890 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-06 22:42:39,890 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-06 22:42:39,891 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-06 22:42:39,893 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:42:39,893 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-06 22:42:39,894 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-06 22:42:39,894 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-11-06 22:42:39,894 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-06 22:42:39,895 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-06 22:42:39,895 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-06 22:42:39,895 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-06 22:42:39,896 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-06 22:42:39,897 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-06 22:42:39,897 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-06 22:42:39,898 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-06 22:42:39,898 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_eb990143-fcf6-49d5-a632-5e5b35eb3328/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb990143-fcf6-49d5-a632-5e5b35eb3328/bin/uautomizer-verify-WvqO1wxjHP Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8f23a76680a88b4e3582239a1d89eab7ec3ee1b0bc583f7f275d3fe6394371a3 [2023-11-06 22:42:40,432 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-06 22:42:40,471 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-06 22:42:40,474 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-06 22:42:40,477 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-06 22:42:40,477 INFO L274 PluginConnector]: CDTParser initialized [2023-11-06 22:42:40,480 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb990143-fcf6-49d5-a632-5e5b35eb3328/bin/uautomizer-verify-WvqO1wxjHP/../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-42.i [2023-11-06 22:42:44,535 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-06 22:42:44,918 INFO L384 CDTParser]: Found 1 translation units. [2023-11-06 22:42:44,921 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb990143-fcf6-49d5-a632-5e5b35eb3328/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-42.i [2023-11-06 22:42:44,936 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb990143-fcf6-49d5-a632-5e5b35eb3328/bin/uautomizer-verify-WvqO1wxjHP/data/b7c6e63c6/7ee64cf0babe4a80ada779a93d18599f/FLAG66d52fcbb [2023-11-06 22:42:44,962 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb990143-fcf6-49d5-a632-5e5b35eb3328/bin/uautomizer-verify-WvqO1wxjHP/data/b7c6e63c6/7ee64cf0babe4a80ada779a93d18599f [2023-11-06 22:42:44,970 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-06 22:42:44,972 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-06 22:42:44,976 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-06 22:42:44,977 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-06 22:42:44,983 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-06 22:42:44,984 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:42:44" (1/1) ... [2023-11-06 22:42:44,985 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@466b7e86 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:42:44, skipping insertion in model container [2023-11-06 22:42:44,985 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:42:44" (1/1) ... [2023-11-06 22:42:45,044 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 22:42:45,300 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb990143-fcf6-49d5-a632-5e5b35eb3328/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-42.i[917,930] [2023-11-06 22:42:45,374 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:42:45,395 INFO L202 MainTranslator]: Completed pre-run [2023-11-06 22:42:45,411 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_eb990143-fcf6-49d5-a632-5e5b35eb3328/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-42.i[917,930] [2023-11-06 22:42:45,465 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:42:45,497 INFO L206 MainTranslator]: Completed translation [2023-11-06 22:42:45,498 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:42:45 WrapperNode [2023-11-06 22:42:45,498 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-06 22:42:45,500 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-06 22:42:45,500 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-06 22:42:45,500 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-06 22:42:45,510 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:42:45" (1/1) ... [2023-11-06 22:42:45,527 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:42:45" (1/1) ... [2023-11-06 22:42:45,644 INFO L138 Inliner]: procedures = 27, calls = 36, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 149 [2023-11-06 22:42:45,644 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-06 22:42:45,645 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-06 22:42:45,646 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-06 22:42:45,646 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-06 22:42:45,658 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:42:45" (1/1) ... [2023-11-06 22:42:45,658 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:42:45" (1/1) ... [2023-11-06 22:42:45,665 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:42:45" (1/1) ... [2023-11-06 22:42:45,665 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:42:45" (1/1) ... [2023-11-06 22:42:45,682 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:42:45" (1/1) ... [2023-11-06 22:42:45,687 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:42:45" (1/1) ... [2023-11-06 22:42:45,691 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:42:45" (1/1) ... [2023-11-06 22:42:45,693 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:42:45" (1/1) ... [2023-11-06 22:42:45,700 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-06 22:42:45,701 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-06 22:42:45,701 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-06 22:42:45,701 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-06 22:42:45,702 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:42:45" (1/1) ... [2023-11-06 22:42:45,711 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:42:45,734 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb990143-fcf6-49d5-a632-5e5b35eb3328/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:42:45,761 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb990143-fcf6-49d5-a632-5e5b35eb3328/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-06 22:42:45,792 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb990143-fcf6-49d5-a632-5e5b35eb3328/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-06 22:42:45,823 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-06 22:42:45,824 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-06 22:42:45,824 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-06 22:42:45,824 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-06 22:42:45,824 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-06 22:42:45,825 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-06 22:42:45,938 INFO L236 CfgBuilder]: Building ICFG [2023-11-06 22:42:45,944 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-06 22:42:46,747 INFO L277 CfgBuilder]: Performing block encoding [2023-11-06 22:42:46,757 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-06 22:42:46,759 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-06 22:42:46,762 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:42:46 BoogieIcfgContainer [2023-11-06 22:42:46,763 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-06 22:42:46,768 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-06 22:42:46,768 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-06 22:42:46,772 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-06 22:42:46,773 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 10:42:44" (1/3) ... [2023-11-06 22:42:46,774 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@277461ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:42:46, skipping insertion in model container [2023-11-06 22:42:46,774 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:42:45" (2/3) ... [2023-11-06 22:42:46,777 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@277461ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:42:46, skipping insertion in model container [2023-11-06 22:42:46,778 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:42:46" (3/3) ... [2023-11-06 22:42:46,780 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_codestructure_steplocals_file-42.i [2023-11-06 22:42:46,807 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-06 22:42:46,807 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-06 22:42:46,894 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-06 22:42:46,903 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;@415146f0, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-06 22:42:46,904 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-06 22:42:46,930 INFO L276 IsEmpty]: Start isEmpty. Operand has 70 states, 44 states have (on average 1.3636363636363635) internal successors, (60), 45 states have internal predecessors, (60), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2023-11-06 22:42:46,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2023-11-06 22:42:46,957 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:42:46,958 INFO L195 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:42:46,961 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:42:46,970 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:42:46,971 INFO L85 PathProgramCache]: Analyzing trace with hash -1882836578, now seen corresponding path program 1 times [2023-11-06 22:42:46,997 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-06 22:42:46,998 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [441251343] [2023-11-06 22:42:46,998 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:42:46,999 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-06 22:42:46,999 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb990143-fcf6-49d5-a632-5e5b35eb3328/bin/uautomizer-verify-WvqO1wxjHP/mathsat [2023-11-06 22:42:47,006 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb990143-fcf6-49d5-a632-5e5b35eb3328/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-06 22:42:47,017 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb990143-fcf6-49d5-a632-5e5b35eb3328/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2023-11-06 22:42:47,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:42:47,398 INFO L262 TraceCheckSpWp]: Trace formula consists of 240 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-06 22:42:47,414 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:42:47,479 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 464 proven. 0 refuted. 0 times theorem prover too weak. 548 trivial. 0 not checked. [2023-11-06 22:42:47,479 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:42:47,480 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-06 22:42:47,481 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [441251343] [2023-11-06 22:42:47,481 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [441251343] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:42:47,482 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:42:47,482 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-06 22:42:47,484 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1673693899] [2023-11-06 22:42:47,485 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:42:47,491 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-06 22:42:47,491 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-06 22:42:47,528 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-06 22:42:47,529 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-06 22:42:47,532 INFO L87 Difference]: Start difference. First operand has 70 states, 44 states have (on average 1.3636363636363635) internal successors, (60), 45 states have internal predecessors, (60), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) Second operand has 2 states, 2 states have (on average 20.0) internal successors, (40), 2 states have internal predecessors, (40), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2023-11-06 22:42:47,575 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:42:47,576 INFO L93 Difference]: Finished difference Result 133 states and 229 transitions. [2023-11-06 22:42:47,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-06 22:42:47,579 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 20.0) internal successors, (40), 2 states have internal predecessors, (40), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 148 [2023-11-06 22:42:47,579 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:42:47,589 INFO L225 Difference]: With dead ends: 133 [2023-11-06 22:42:47,589 INFO L226 Difference]: Without dead ends: 66 [2023-11-06 22:42:47,595 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 147 GetRequests, 147 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-06 22:42:47,600 INFO L413 NwaCegarLoop]: 99 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, 99 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-06 22:42:47,601 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 99 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 22:42:47,621 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66 states. [2023-11-06 22:42:47,667 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 66. [2023-11-06 22:42:47,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 66 states, 41 states have (on average 1.2926829268292683) internal successors, (53), 41 states have internal predecessors, (53), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2023-11-06 22:42:47,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 99 transitions. [2023-11-06 22:42:47,677 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 99 transitions. Word has length 148 [2023-11-06 22:42:47,677 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:42:47,677 INFO L495 AbstractCegarLoop]: Abstraction has 66 states and 99 transitions. [2023-11-06 22:42:47,678 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 20.0) internal successors, (40), 2 states have internal predecessors, (40), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2023-11-06 22:42:47,678 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 99 transitions. [2023-11-06 22:42:47,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2023-11-06 22:42:47,683 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:42:47,683 INFO L195 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:42:47,700 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb990143-fcf6-49d5-a632-5e5b35eb3328/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2023-11-06 22:42:47,888 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb990143-fcf6-49d5-a632-5e5b35eb3328/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-06 22:42:47,889 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:42:47,893 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:42:47,893 INFO L85 PathProgramCache]: Analyzing trace with hash 1613160800, now seen corresponding path program 1 times [2023-11-06 22:42:47,894 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-06 22:42:47,895 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1950827249] [2023-11-06 22:42:47,895 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:42:47,896 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-06 22:42:47,896 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb990143-fcf6-49d5-a632-5e5b35eb3328/bin/uautomizer-verify-WvqO1wxjHP/mathsat [2023-11-06 22:42:47,898 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb990143-fcf6-49d5-a632-5e5b35eb3328/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-06 22:42:47,902 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb990143-fcf6-49d5-a632-5e5b35eb3328/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2023-11-06 22:42:48,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:42:48,213 INFO L262 TraceCheckSpWp]: Trace formula consists of 240 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-06 22:42:48,225 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:42:48,930 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 108 proven. 63 refuted. 0 times theorem prover too weak. 841 trivial. 0 not checked. [2023-11-06 22:42:48,930 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-06 22:42:49,165 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2023-11-06 22:42:49,166 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-06 22:42:49,166 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1950827249] [2023-11-06 22:42:49,167 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1950827249] provided 1 perfect and 1 imperfect interpolant sequences [2023-11-06 22:42:49,168 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-06 22:42:49,169 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [7] total 9 [2023-11-06 22:42:49,173 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2015289188] [2023-11-06 22:42:49,174 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:42:49,179 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-06 22:42:49,180 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-06 22:42:49,182 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-06 22:42:49,182 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2023-11-06 22:42:49,182 INFO L87 Difference]: Start difference. First operand 66 states and 99 transitions. Second operand has 4 states, 4 states have (on average 9.0) internal successors, (36), 4 states have internal predecessors, (36), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2023-11-06 22:42:49,617 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:42:49,618 INFO L93 Difference]: Finished difference Result 149 states and 223 transitions. [2023-11-06 22:42:49,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-06 22:42:49,619 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.0) internal successors, (36), 4 states have internal predecessors, (36), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 148 [2023-11-06 22:42:49,621 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:42:49,623 INFO L225 Difference]: With dead ends: 149 [2023-11-06 22:42:49,623 INFO L226 Difference]: Without dead ends: 86 [2023-11-06 22:42:49,625 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 295 GetRequests, 287 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2023-11-06 22:42:49,627 INFO L413 NwaCegarLoop]: 95 mSDtfsCounter, 31 mSDsluCounter, 180 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 31 SdHoareTripleChecker+Valid, 275 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-06 22:42:49,628 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [31 Valid, 275 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-06 22:42:49,630 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86 states. [2023-11-06 22:42:49,646 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86 to 74. [2023-11-06 22:42:49,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 74 states, 49 states have (on average 1.3265306122448979) internal successors, (65), 49 states have internal predecessors, (65), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2023-11-06 22:42:49,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 111 transitions. [2023-11-06 22:42:49,650 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 111 transitions. Word has length 148 [2023-11-06 22:42:49,652 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:42:49,653 INFO L495 AbstractCegarLoop]: Abstraction has 74 states and 111 transitions. [2023-11-06 22:42:49,653 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.0) internal successors, (36), 4 states have internal predecessors, (36), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2023-11-06 22:42:49,654 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 111 transitions. [2023-11-06 22:42:49,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2023-11-06 22:42:49,658 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:42:49,658 INFO L195 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:42:49,679 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb990143-fcf6-49d5-a632-5e5b35eb3328/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2023-11-06 22:42:49,877 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb990143-fcf6-49d5-a632-5e5b35eb3328/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-06 22:42:49,878 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:42:49,878 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:42:49,879 INFO L85 PathProgramCache]: Analyzing trace with hash -2109701824, now seen corresponding path program 1 times [2023-11-06 22:42:49,880 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-06 22:42:49,880 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1779439681] [2023-11-06 22:42:49,880 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:42:49,880 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-06 22:42:49,881 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb990143-fcf6-49d5-a632-5e5b35eb3328/bin/uautomizer-verify-WvqO1wxjHP/mathsat [2023-11-06 22:42:49,882 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb990143-fcf6-49d5-a632-5e5b35eb3328/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-06 22:42:49,898 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb990143-fcf6-49d5-a632-5e5b35eb3328/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2023-11-06 22:42:50,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:42:50,291 INFO L262 TraceCheckSpWp]: Trace formula consists of 240 conjuncts, 25 conjunts are in the unsatisfiable core [2023-11-06 22:42:50,308 INFO L285 TraceCheckSpWp]: Computing forward predicates...