./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-50.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e7bb482b Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52c9b003-3d75-460b-9189-cbb18f8420fc/bin/uautomizer-verify-WvqO1wxjHP/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52c9b003-3d75-460b-9189-cbb18f8420fc/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_52c9b003-3d75-460b-9189-cbb18f8420fc/bin/uautomizer-verify-WvqO1wxjHP/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52c9b003-3d75-460b-9189-cbb18f8420fc/bin/uautomizer-verify-WvqO1wxjHP/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-50.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52c9b003-3d75-460b-9189-cbb18f8420fc/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_52c9b003-3d75-460b-9189-cbb18f8420fc/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 fb6084b1d47e624872609ebdc1d7596105f0fe52752c1031b16d65d48dd2a5c7 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-e7bb482 [2023-11-06 22:24:37,108 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-06 22:24:37,256 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52c9b003-3d75-460b-9189-cbb18f8420fc/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-06 22:24:37,265 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-06 22:24:37,266 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-06 22:24:37,335 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-06 22:24:37,336 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-06 22:24:37,337 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-06 22:24:37,338 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-06 22:24:37,344 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-06 22:24:37,345 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-06 22:24:37,346 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-06 22:24:37,347 INFO L153 SettingsManager]: * Use SBE=true [2023-11-06 22:24:37,349 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-06 22:24:37,349 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-06 22:24:37,350 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-06 22:24:37,350 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-06 22:24:37,351 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-06 22:24:37,352 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-06 22:24:37,352 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-06 22:24:37,353 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-06 22:24:37,353 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-06 22:24:37,354 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-06 22:24:37,356 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-06 22:24:37,357 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-06 22:24:37,358 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-06 22:24:37,358 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-06 22:24:37,359 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-06 22:24:37,359 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:24:37,360 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-06 22:24:37,362 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-06 22:24:37,362 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-11-06 22:24:37,362 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-06 22:24:37,363 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-06 22:24:37,363 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-06 22:24:37,363 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-06 22:24:37,364 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-06 22:24:37,364 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-06 22:24:37,364 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-06 22:24:37,365 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_52c9b003-3d75-460b-9189-cbb18f8420fc/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52c9b003-3d75-460b-9189-cbb18f8420fc/bin/uautomizer-verify-WvqO1wxjHP Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fb6084b1d47e624872609ebdc1d7596105f0fe52752c1031b16d65d48dd2a5c7 [2023-11-06 22:24:37,777 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-06 22:24:37,838 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-06 22:24:37,841 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-06 22:24:37,843 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-06 22:24:37,844 INFO L274 PluginConnector]: CDTParser initialized [2023-11-06 22:24:37,846 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52c9b003-3d75-460b-9189-cbb18f8420fc/bin/uautomizer-verify-WvqO1wxjHP/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-50.i [2023-11-06 22:24:41,467 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-06 22:24:41,760 INFO L384 CDTParser]: Found 1 translation units. [2023-11-06 22:24:41,761 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52c9b003-3d75-460b-9189-cbb18f8420fc/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-50.i [2023-11-06 22:24:41,772 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52c9b003-3d75-460b-9189-cbb18f8420fc/bin/uautomizer-verify-WvqO1wxjHP/data/f38ac9092/ac2acd07791e443d825d3c7ac90ccac5/FLAGcaf6576e1 [2023-11-06 22:24:41,790 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52c9b003-3d75-460b-9189-cbb18f8420fc/bin/uautomizer-verify-WvqO1wxjHP/data/f38ac9092/ac2acd07791e443d825d3c7ac90ccac5 [2023-11-06 22:24:41,793 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-06 22:24:41,795 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-06 22:24:41,798 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-06 22:24:41,798 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-06 22:24:41,805 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-06 22:24:41,806 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:24:41" (1/1) ... [2023-11-06 22:24:41,807 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@768606e2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:24:41, skipping insertion in model container [2023-11-06 22:24:41,808 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:24:41" (1/1) ... [2023-11-06 22:24:41,850 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 22:24:42,076 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_52c9b003-3d75-460b-9189-cbb18f8420fc/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-50.i[915,928] [2023-11-06 22:24:42,127 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:24:42,142 INFO L202 MainTranslator]: Completed pre-run [2023-11-06 22:24:42,193 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_52c9b003-3d75-460b-9189-cbb18f8420fc/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-50.i[915,928] [2023-11-06 22:24:42,222 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:24:42,242 INFO L206 MainTranslator]: Completed translation [2023-11-06 22:24:42,243 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:24:42 WrapperNode [2023-11-06 22:24:42,243 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-06 22:24:42,244 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-06 22:24:42,245 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-06 22:24:42,245 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-06 22:24:42,253 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:24:42" (1/1) ... [2023-11-06 22:24:42,262 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:24:42" (1/1) ... [2023-11-06 22:24:42,297 INFO L138 Inliner]: procedures = 26, calls = 29, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 116 [2023-11-06 22:24:42,298 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-06 22:24:42,299 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-06 22:24:42,299 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-06 22:24:42,299 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-06 22:24:42,310 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:24:42" (1/1) ... [2023-11-06 22:24:42,310 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:24:42" (1/1) ... [2023-11-06 22:24:42,313 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:24:42" (1/1) ... [2023-11-06 22:24:42,314 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:24:42" (1/1) ... [2023-11-06 22:24:42,322 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:24:42" (1/1) ... [2023-11-06 22:24:42,326 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:24:42" (1/1) ... [2023-11-06 22:24:42,329 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:24:42" (1/1) ... [2023-11-06 22:24:42,330 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:24:42" (1/1) ... [2023-11-06 22:24:42,334 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-06 22:24:42,335 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-06 22:24:42,335 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-06 22:24:42,335 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-06 22:24:42,336 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:24:42" (1/1) ... [2023-11-06 22:24:42,359 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:24:42,378 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52c9b003-3d75-460b-9189-cbb18f8420fc/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:24:42,398 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52c9b003-3d75-460b-9189-cbb18f8420fc/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-06 22:24:42,432 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52c9b003-3d75-460b-9189-cbb18f8420fc/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-06 22:24:42,447 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-06 22:24:42,448 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-06 22:24:42,448 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-06 22:24:42,448 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-06 22:24:42,449 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-06 22:24:42,449 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-06 22:24:42,594 INFO L236 CfgBuilder]: Building ICFG [2023-11-06 22:24:42,596 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-06 22:24:43,079 INFO L277 CfgBuilder]: Performing block encoding [2023-11-06 22:24:43,097 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-06 22:24:43,097 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-06 22:24:43,100 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:24:43 BoogieIcfgContainer [2023-11-06 22:24:43,100 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-06 22:24:43,106 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-06 22:24:43,106 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-06 22:24:43,110 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-06 22:24:43,111 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 10:24:41" (1/3) ... [2023-11-06 22:24:43,111 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2cc1d4cb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:24:43, skipping insertion in model container [2023-11-06 22:24:43,112 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:24:42" (2/3) ... [2023-11-06 22:24:43,113 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2cc1d4cb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:24:43, skipping insertion in model container [2023-11-06 22:24:43,113 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:24:43" (3/3) ... [2023-11-06 22:24:43,115 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount25_file-50.i [2023-11-06 22:24:43,141 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-06 22:24:43,142 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-06 22:24:43,220 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-06 22:24:43,230 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;@3be17c9e, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-06 22:24:43,231 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-06 22:24:43,236 INFO L276 IsEmpty]: Start isEmpty. Operand has 53 states, 34 states have (on average 1.3235294117647058) internal successors, (45), 35 states have internal predecessors, (45), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2023-11-06 22:24:43,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2023-11-06 22:24:43,257 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:24:43,259 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:24:43,260 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:24:43,270 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:24:43,270 INFO L85 PathProgramCache]: Analyzing trace with hash -451522965, now seen corresponding path program 1 times [2023-11-06 22:24:43,283 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:24:43,283 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1610481053] [2023-11-06 22:24:43,284 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:24:43,284 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:24:43,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:24:43,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-06 22:24:43,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:24:43,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-06 22:24:43,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:24:43,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2023-11-06 22:24:43,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:24:43,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2023-11-06 22:24:43,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:24:43,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-11-06 22:24:43,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:24:43,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-11-06 22:24:43,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:24:43,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2023-11-06 22:24:43,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:24:43,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2023-11-06 22:24:43,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:24:43,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2023-11-06 22:24:43,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:24:43,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2023-11-06 22:24:43,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:24:43,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2023-11-06 22:24:43,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:24:43,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2023-11-06 22:24:43,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:24:43,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2023-11-06 22:24:43,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:24:43,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2023-11-06 22:24:43,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:24:43,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2023-11-06 22:24:43,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:24:43,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2023-11-06 22:24:43,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:24:43,723 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2023-11-06 22:24:43,724 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:24:43,724 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1610481053] [2023-11-06 22:24:43,725 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1610481053] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:24:43,725 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:24:43,725 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-06 22:24:43,727 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2107721478] [2023-11-06 22:24:43,728 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:24:43,748 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-06 22:24:43,749 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:24:43,782 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-06 22:24:43,783 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-06 22:24:43,786 INFO L87 Difference]: Start difference. First operand has 53 states, 34 states have (on average 1.3235294117647058) internal successors, (45), 35 states have internal predecessors, (45), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) Second operand has 2 states, 2 states have (on average 14.0) internal successors, (28), 2 states have internal predecessors, (28), 2 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 2 states have call successors, (16) [2023-11-06 22:24:43,839 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:24:43,839 INFO L93 Difference]: Finished difference Result 99 states and 164 transitions. [2023-11-06 22:24:43,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-06 22:24:43,842 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 14.0) internal successors, (28), 2 states have internal predecessors, (28), 2 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 2 states have call successors, (16) Word has length 105 [2023-11-06 22:24:43,843 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:24:43,851 INFO L225 Difference]: With dead ends: 99 [2023-11-06 22:24:43,851 INFO L226 Difference]: Without dead ends: 49 [2023-11-06 22:24:43,856 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 50 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 22:24:43,861 INFO L413 NwaCegarLoop]: 70 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, 70 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 22:24:43,863 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 70 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 22:24:43,885 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2023-11-06 22:24:43,912 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 49. [2023-11-06 22:24:43,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49 states, 31 states have (on average 1.2258064516129032) internal successors, (38), 31 states have internal predecessors, (38), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2023-11-06 22:24:43,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 70 transitions. [2023-11-06 22:24:43,919 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 70 transitions. Word has length 105 [2023-11-06 22:24:43,919 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:24:43,920 INFO L495 AbstractCegarLoop]: Abstraction has 49 states and 70 transitions. [2023-11-06 22:24:43,920 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 14.0) internal successors, (28), 2 states have internal predecessors, (28), 2 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 2 states have call successors, (16) [2023-11-06 22:24:43,920 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 70 transitions. [2023-11-06 22:24:43,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2023-11-06 22:24:43,924 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:24:43,925 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:24:43,925 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-06 22:24:43,925 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:24:43,926 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:24:43,927 INFO L85 PathProgramCache]: Analyzing trace with hash -2103955869, now seen corresponding path program 1 times [2023-11-06 22:24:43,927 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:24:43,927 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1454422813] [2023-11-06 22:24:43,928 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:24:43,928 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:24:44,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:24:45,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-06 22:24:45,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:24:45,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-06 22:24:45,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:24:45,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2023-11-06 22:24:45,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:24:45,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2023-11-06 22:24:45,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:24:45,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-11-06 22:24:45,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:24:45,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-11-06 22:24:45,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:24:45,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2023-11-06 22:24:45,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:24:45,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2023-11-06 22:24:45,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:24:45,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2023-11-06 22:24:45,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:24:45,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2023-11-06 22:24:45,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:24:45,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2023-11-06 22:24:45,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:24:45,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2023-11-06 22:24:45,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:24:45,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2023-11-06 22:24:45,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:24:45,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2023-11-06 22:24:45,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:24:45,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2023-11-06 22:24:45,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:24:45,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2023-11-06 22:24:45,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:24:45,338 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 21 proven. 24 refuted. 0 times theorem prover too weak. 435 trivial. 0 not checked. [2023-11-06 22:24:45,339 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:24:45,339 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1454422813] [2023-11-06 22:24:45,340 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1454422813] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-06 22:24:45,340 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [472766008] [2023-11-06 22:24:45,340 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:24:45,341 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:24:45,341 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52c9b003-3d75-460b-9189-cbb18f8420fc/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:24:45,347 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52c9b003-3d75-460b-9189-cbb18f8420fc/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:24:45,357 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52c9b003-3d75-460b-9189-cbb18f8420fc/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-06 22:24:45,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:24:45,563 INFO L262 TraceCheckSpWp]: Trace formula consists of 260 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-06 22:24:45,577 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:24:45,914 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 253 proven. 24 refuted. 0 times theorem prover too weak. 203 trivial. 0 not checked. [2023-11-06 22:24:45,914 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-06 22:24:46,227 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 21 proven. 24 refuted. 0 times theorem prover too weak. 435 trivial. 0 not checked. [2023-11-06 22:24:46,233 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [472766008] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-06 22:24:46,233 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-06 22:24:46,234 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 9 [2023-11-06 22:24:46,236 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1242533812] [2023-11-06 22:24:46,237 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-06 22:24:46,241 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-06 22:24:46,242 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:24:46,243 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-06 22:24:46,244 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2023-11-06 22:24:46,244 INFO L87 Difference]: Start difference. First operand 49 states and 70 transitions. Second operand has 9 states, 9 states have (on average 4.555555555555555) internal successors, (41), 9 states have internal predecessors, (41), 2 states have call successors, (24), 2 states have call predecessors, (24), 4 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2023-11-06 22:24:47,009 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:24:47,009 INFO L93 Difference]: Finished difference Result 161 states and 221 transitions. [2023-11-06 22:24:47,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2023-11-06 22:24:47,011 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 4.555555555555555) internal successors, (41), 9 states have internal predecessors, (41), 2 states have call successors, (24), 2 states have call predecessors, (24), 4 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) Word has length 105 [2023-11-06 22:24:47,012 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:24:47,016 INFO L225 Difference]: With dead ends: 161 [2023-11-06 22:24:47,016 INFO L226 Difference]: Without dead ends: 115 [2023-11-06 22:24:47,018 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 260 GetRequests, 238 SyntacticMatches, 2 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 79 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=152, Invalid=310, Unknown=0, NotChecked=0, Total=462 [2023-11-06 22:24:47,020 INFO L413 NwaCegarLoop]: 81 mSDtfsCounter, 95 mSDsluCounter, 177 mSDsCounter, 0 mSdLazyCounter, 281 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 109 SdHoareTripleChecker+Valid, 258 SdHoareTripleChecker+Invalid, 301 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 281 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-11-06 22:24:47,021 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [109 Valid, 258 Invalid, 301 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 281 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-11-06 22:24:47,022 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2023-11-06 22:24:47,057 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 102. [2023-11-06 22:24:47,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 102 states, 64 states have (on average 1.171875) internal successors, (75), 65 states have internal predecessors, (75), 32 states have call successors, (32), 5 states have call predecessors, (32), 5 states have return successors, (32), 31 states have call predecessors, (32), 32 states have call successors, (32) [2023-11-06 22:24:47,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 102 states and 139 transitions. [2023-11-06 22:24:47,061 INFO L78 Accepts]: Start accepts. Automaton has 102 states and 139 transitions. Word has length 105 [2023-11-06 22:24:47,063 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:24:47,063 INFO L495 AbstractCegarLoop]: Abstraction has 102 states and 139 transitions. [2023-11-06 22:24:47,063 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 4.555555555555555) internal successors, (41), 9 states have internal predecessors, (41), 2 states have call successors, (24), 2 states have call predecessors, (24), 4 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2023-11-06 22:24:47,064 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 139 transitions. [2023-11-06 22:24:47,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2023-11-06 22:24:47,066 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:24:47,067 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:24:47,082 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52c9b003-3d75-460b-9189-cbb18f8420fc/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-06 22:24:47,275 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52c9b003-3d75-460b-9189-cbb18f8420fc/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:24:47,275 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:24:47,276 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:24:47,276 INFO L85 PathProgramCache]: Analyzing trace with hash -328948507, now seen corresponding path program 1 times [2023-11-06 22:24:47,276 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:24:47,276 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2072721143] [2023-11-06 22:24:47,277 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:24:47,277 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:24:47,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:24:47,400 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-06 22:24:47,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:24:47,619 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-06 22:24:47,619 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-06 22:24:47,622 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-06 22:24:47,625 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-06 22:24:47,632 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2023-11-06 22:24:47,638 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-06 22:24:47,748 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.11 10:24:47 BoogieIcfgContainer [2023-11-06 22:24:47,748 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-06 22:24:47,749 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-06 22:24:47,749 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-06 22:24:47,750 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-06 22:24:47,750 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:24:43" (3/4) ... [2023-11-06 22:24:47,753 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-06 22:24:47,755 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-06 22:24:47,756 INFO L158 Benchmark]: Toolchain (without parser) took 5960.84ms. Allocated memory was 167.8MB in the beginning and 207.6MB in the end (delta: 39.8MB). Free memory was 101.2MB in the beginning and 161.5MB in the end (delta: -60.3MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 22:24:47,756 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 167.8MB. Free memory is still 141.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 22:24:47,757 INFO L158 Benchmark]: CACSL2BoogieTranslator took 445.73ms. Allocated memory is still 167.8MB. Free memory was 101.0MB in the beginning and 137.0MB in the end (delta: -36.0MB). Peak memory consumption was 16.1MB. Max. memory is 16.1GB. [2023-11-06 22:24:47,758 INFO L158 Benchmark]: Boogie Procedure Inliner took 53.79ms. Allocated memory is still 167.8MB. Free memory was 137.0MB in the beginning and 134.9MB in the end (delta: 2.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-06 22:24:47,759 INFO L158 Benchmark]: Boogie Preprocessor took 35.49ms. Allocated memory is still 167.8MB. Free memory was 134.9MB in the beginning and 133.4MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-06 22:24:47,759 INFO L158 Benchmark]: RCFGBuilder took 767.37ms. Allocated memory is still 167.8MB. Free memory was 133.4MB in the beginning and 130.9MB in the end (delta: 2.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-11-06 22:24:47,760 INFO L158 Benchmark]: TraceAbstraction took 4642.61ms. Allocated memory was 167.8MB in the beginning and 207.6MB in the end (delta: 39.8MB). Free memory was 130.0MB in the beginning and 161.5MB in the end (delta: -31.4MB). Peak memory consumption was 92.3MB. Max. memory is 16.1GB. [2023-11-06 22:24:47,761 INFO L158 Benchmark]: Witness Printer took 6.08ms. Allocated memory is still 207.6MB. Free memory is still 161.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 22:24:47,764 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 167.8MB. Free memory is still 141.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 445.73ms. Allocated memory is still 167.8MB. Free memory was 101.0MB in the beginning and 137.0MB in the end (delta: -36.0MB). Peak memory consumption was 16.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 53.79ms. Allocated memory is still 167.8MB. Free memory was 137.0MB in the beginning and 134.9MB in the end (delta: 2.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 35.49ms. Allocated memory is still 167.8MB. Free memory was 134.9MB in the beginning and 133.4MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 767.37ms. Allocated memory is still 167.8MB. Free memory was 133.4MB in the beginning and 130.9MB in the end (delta: 2.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 4642.61ms. Allocated memory was 167.8MB in the beginning and 207.6MB in the end (delta: 39.8MB). Free memory was 130.0MB in the beginning and 161.5MB in the end (delta: -31.4MB). Peak memory consumption was 92.3MB. Max. memory is 16.1GB. * Witness Printer took 6.08ms. Allocated memory is still 207.6MB. Free memory is still 161.5MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 100. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned char var_1_1 = 1; [L23] double var_1_2 = 8.875; [L24] double var_1_3 = 63.5; [L25] double var_1_4 = 16.6; [L26] double var_1_5 = 127.8; [L27] unsigned char var_1_6 = 0; [L28] unsigned char var_1_7 = 0; [L29] unsigned char var_1_8 = 1; [L30] signed short int var_1_9 = 256; [L31] signed short int var_1_10 = 10000; [L32] signed short int var_1_11 = 4; [L33] signed short int var_1_12 = -32; [L34] signed long int var_1_13 = 32; [L35] signed short int var_1_14 = 32; [L36] signed long int last_1_var_1_13 = 32; VAL [isInitial=0, last_1_var_1_13=32, var_1_10=10000, var_1_11=4, var_1_12=-32, var_1_13=32, var_1_14=32, var_1_1=1, var_1_2=71/8, var_1_3=127/2, var_1_4=83/5, var_1_5=639/5, var_1_6=0, var_1_7=0, var_1_8=1, var_1_9=256] [L104] isInitial = 1 [L105] FCALL initially() [L106] COND TRUE 1 [L107] CALL updateLastVariables() [L97] last_1_var_1_13 = var_1_13 VAL [isInitial=1, last_1_var_1_13=32, var_1_10=10000, var_1_11=4, var_1_12=-32, var_1_13=32, var_1_14=32, var_1_1=1, var_1_2=71/8, var_1_3=127/2, var_1_4=83/5, var_1_5=639/5, var_1_6=0, var_1_7=0, var_1_8=1, var_1_9=256] [L107] RET updateLastVariables() [L108] CALL updateVariables() [L69] var_1_2 = __VERIFIER_nondet_double() [L70] CALL assume_abort_if_not((var_1_2 >= -922337.2036854776000e+13F && var_1_2 <= -1.0e-20F) || (var_1_2 <= 9223372.036854776000e+12F && var_1_2 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=32, var_1_10=10000, var_1_11=4, var_1_12=-32, var_1_13=32, var_1_14=32, var_1_1=1, var_1_3=127/2, var_1_4=83/5, var_1_5=639/5, var_1_6=0, var_1_7=0, var_1_8=1, var_1_9=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_13=32, var_1_10=10000, var_1_11=4, var_1_12=-32, var_1_13=32, var_1_14=32, var_1_1=1, var_1_3=127/2, var_1_4=83/5, var_1_5=639/5, var_1_6=0, var_1_7=0, var_1_8=1, var_1_9=256] [L70] RET assume_abort_if_not((var_1_2 >= -922337.2036854776000e+13F && var_1_2 <= -1.0e-20F) || (var_1_2 <= 9223372.036854776000e+12F && var_1_2 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_13=32, var_1_10=10000, var_1_11=4, var_1_12=-32, var_1_13=32, var_1_14=32, var_1_1=1, var_1_3=127/2, var_1_4=83/5, var_1_5=639/5, var_1_6=0, var_1_7=0, var_1_8=1, var_1_9=256] [L71] var_1_3 = __VERIFIER_nondet_double() [L72] CALL assume_abort_if_not((var_1_3 >= -922337.2036854776000e+13F && var_1_3 <= -1.0e-20F) || (var_1_3 <= 9223372.036854776000e+12F && var_1_3 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=32, var_1_10=10000, var_1_11=4, var_1_12=-32, var_1_13=32, var_1_14=32, var_1_1=1, var_1_3=10006, var_1_4=83/5, var_1_5=639/5, var_1_6=0, var_1_7=0, var_1_8=1, var_1_9=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_13=32, var_1_10=10000, var_1_11=4, var_1_12=-32, var_1_13=32, var_1_14=32, var_1_1=1, var_1_3=10006, var_1_4=83/5, var_1_5=639/5, var_1_6=0, var_1_7=0, var_1_8=1, var_1_9=256] [L72] RET assume_abort_if_not((var_1_3 >= -922337.2036854776000e+13F && var_1_3 <= -1.0e-20F) || (var_1_3 <= 9223372.036854776000e+12F && var_1_3 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_13=32, var_1_10=10000, var_1_11=4, var_1_12=-32, var_1_13=32, var_1_14=32, var_1_1=1, var_1_3=10006, var_1_4=83/5, var_1_5=639/5, var_1_6=0, var_1_7=0, var_1_8=1, var_1_9=256] [L73] var_1_4 = __VERIFIER_nondet_double() [L74] CALL assume_abort_if_not((var_1_4 >= 0.0F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 9223372.036854776000e+12F && var_1_4 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=32, var_1_10=10000, var_1_11=4, var_1_12=-32, var_1_13=32, var_1_14=32, var_1_1=1, var_1_3=10006, var_1_4=10005, var_1_5=639/5, var_1_6=0, var_1_7=0, var_1_8=1, var_1_9=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_13=32, var_1_10=10000, var_1_11=4, var_1_12=-32, var_1_13=32, var_1_14=32, var_1_1=1, var_1_3=10006, var_1_4=10005, var_1_5=639/5, var_1_6=0, var_1_7=0, var_1_8=1, var_1_9=256] [L74] RET assume_abort_if_not((var_1_4 >= 0.0F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 9223372.036854776000e+12F && var_1_4 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_13=32, var_1_10=10000, var_1_11=4, var_1_12=-32, var_1_13=32, var_1_14=32, var_1_1=1, var_1_3=10006, var_1_4=10005, var_1_5=639/5, var_1_6=0, var_1_7=0, var_1_8=1, var_1_9=256] [L75] var_1_5 = __VERIFIER_nondet_double() [L76] CALL assume_abort_if_not((var_1_5 >= 0.0F && var_1_5 <= -1.0e-20F) || (var_1_5 <= 9223372.036854776000e+12F && var_1_5 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=32, var_1_10=10000, var_1_11=4, var_1_12=-32, var_1_13=32, var_1_14=32, var_1_1=1, var_1_3=10006, var_1_4=10005, var_1_5=10007, var_1_6=0, var_1_7=0, var_1_8=1, var_1_9=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_13=32, var_1_10=10000, var_1_11=4, var_1_12=-32, var_1_13=32, var_1_14=32, var_1_1=1, var_1_3=10006, var_1_4=10005, var_1_5=10007, var_1_6=0, var_1_7=0, var_1_8=1, var_1_9=256] [L76] RET assume_abort_if_not((var_1_5 >= 0.0F && var_1_5 <= -1.0e-20F) || (var_1_5 <= 9223372.036854776000e+12F && var_1_5 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_13=32, var_1_10=10000, var_1_11=4, var_1_12=-32, var_1_13=32, var_1_14=32, var_1_1=1, var_1_3=10006, var_1_4=10005, var_1_5=10007, var_1_6=0, var_1_7=0, var_1_8=1, var_1_9=256] [L77] var_1_6 = __VERIFIER_nondet_uchar() [L78] CALL assume_abort_if_not(var_1_6 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=32, var_1_10=10000, var_1_11=4, var_1_12=-32, var_1_13=32, var_1_14=32, var_1_1=1, var_1_3=10006, var_1_4=10005, var_1_5=10007, var_1_6=0, var_1_7=0, var_1_8=1, var_1_9=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_13=32, var_1_10=10000, var_1_11=4, var_1_12=-32, var_1_13=32, var_1_14=32, var_1_1=1, var_1_3=10006, var_1_4=10005, var_1_5=10007, var_1_6=0, var_1_7=0, var_1_8=1, var_1_9=256] [L78] RET assume_abort_if_not(var_1_6 >= 0) VAL [isInitial=1, last_1_var_1_13=32, var_1_10=10000, var_1_11=4, var_1_12=-32, var_1_13=32, var_1_14=32, var_1_1=1, var_1_3=10006, var_1_4=10005, var_1_5=10007, var_1_6=0, var_1_7=0, var_1_8=1, var_1_9=256] [L79] CALL assume_abort_if_not(var_1_6 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=32, var_1_10=10000, var_1_11=4, var_1_12=-32, var_1_13=32, var_1_14=32, var_1_1=1, var_1_3=10006, var_1_4=10005, var_1_5=10007, var_1_6=0, var_1_7=0, var_1_8=1, var_1_9=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_13=32, var_1_10=10000, var_1_11=4, var_1_12=-32, var_1_13=32, var_1_14=32, var_1_1=1, var_1_3=10006, var_1_4=10005, var_1_5=10007, var_1_6=0, var_1_7=0, var_1_8=1, var_1_9=256] [L79] RET assume_abort_if_not(var_1_6 <= 1) VAL [isInitial=1, last_1_var_1_13=32, var_1_10=10000, var_1_11=4, var_1_12=-32, var_1_13=32, var_1_14=32, var_1_1=1, var_1_3=10006, var_1_4=10005, var_1_5=10007, var_1_6=0, var_1_7=0, var_1_8=1, var_1_9=256] [L80] var_1_7 = __VERIFIER_nondet_uchar() [L81] CALL assume_abort_if_not(var_1_7 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=32, var_1_10=10000, var_1_11=4, var_1_12=-32, var_1_13=32, var_1_14=32, var_1_1=1, var_1_3=10006, var_1_4=10005, var_1_5=10007, var_1_6=0, var_1_7=0, var_1_8=1, var_1_9=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_13=32, var_1_10=10000, var_1_11=4, var_1_12=-32, var_1_13=32, var_1_14=32, var_1_1=1, var_1_3=10006, var_1_4=10005, var_1_5=10007, var_1_6=0, var_1_7=0, var_1_8=1, var_1_9=256] [L81] RET assume_abort_if_not(var_1_7 >= 0) VAL [isInitial=1, last_1_var_1_13=32, var_1_10=10000, var_1_11=4, var_1_12=-32, var_1_13=32, var_1_14=32, var_1_1=1, var_1_3=10006, var_1_4=10005, var_1_5=10007, var_1_6=0, var_1_7=0, var_1_8=1, var_1_9=256] [L82] CALL assume_abort_if_not(var_1_7 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=32, var_1_10=10000, var_1_11=4, var_1_12=-32, var_1_13=32, var_1_14=32, var_1_1=1, var_1_3=10006, var_1_4=10005, var_1_5=10007, var_1_6=0, var_1_7=0, var_1_8=1, var_1_9=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_13=32, var_1_10=10000, var_1_11=4, var_1_12=-32, var_1_13=32, var_1_14=32, var_1_1=1, var_1_3=10006, var_1_4=10005, var_1_5=10007, var_1_6=0, var_1_7=0, var_1_8=1, var_1_9=256] [L82] RET assume_abort_if_not(var_1_7 <= 0) VAL [isInitial=1, last_1_var_1_13=32, var_1_10=10000, var_1_11=4, var_1_12=-32, var_1_13=32, var_1_14=32, var_1_1=1, var_1_3=10006, var_1_4=10005, var_1_5=10007, var_1_6=0, var_1_7=0, var_1_8=1, var_1_9=256] [L83] var_1_8 = __VERIFIER_nondet_uchar() [L84] CALL assume_abort_if_not(var_1_8 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=32, var_1_10=10000, var_1_11=4, var_1_12=-32, var_1_13=32, var_1_14=32, var_1_1=1, var_1_3=10006, var_1_4=10005, var_1_5=10007, var_1_6=0, var_1_7=0, var_1_8=1, var_1_9=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_13=32, var_1_10=10000, var_1_11=4, var_1_12=-32, var_1_13=32, var_1_14=32, var_1_1=1, var_1_3=10006, var_1_4=10005, var_1_5=10007, var_1_6=0, var_1_7=0, var_1_8=1, var_1_9=256] [L84] RET assume_abort_if_not(var_1_8 >= 1) VAL [isInitial=1, last_1_var_1_13=32, var_1_10=10000, var_1_11=4, var_1_12=-32, var_1_13=32, var_1_14=32, var_1_1=1, var_1_3=10006, var_1_4=10005, var_1_5=10007, var_1_6=0, var_1_7=0, var_1_8=1, var_1_9=256] [L85] CALL assume_abort_if_not(var_1_8 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=32, var_1_10=10000, var_1_11=4, var_1_12=-32, var_1_13=32, var_1_14=32, var_1_1=1, var_1_3=10006, var_1_4=10005, var_1_5=10007, var_1_6=0, var_1_7=0, var_1_8=1, var_1_9=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_13=32, var_1_10=10000, var_1_11=4, var_1_12=-32, var_1_13=32, var_1_14=32, var_1_1=1, var_1_3=10006, var_1_4=10005, var_1_5=10007, var_1_6=0, var_1_7=0, var_1_8=1, var_1_9=256] [L85] RET assume_abort_if_not(var_1_8 <= 1) VAL [isInitial=1, last_1_var_1_13=32, var_1_10=10000, var_1_11=4, var_1_12=-32, var_1_13=32, var_1_14=32, var_1_1=1, var_1_3=10006, var_1_4=10005, var_1_5=10007, var_1_6=0, var_1_7=0, var_1_8=1, var_1_9=256] [L86] var_1_10 = __VERIFIER_nondet_short() [L87] CALL assume_abort_if_not(var_1_10 >= -1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=32, var_1_10=4, var_1_11=4, var_1_12=-32, var_1_13=32, var_1_14=32, var_1_1=1, var_1_3=10006, var_1_4=10005, var_1_5=10007, var_1_6=0, var_1_7=0, var_1_8=1, var_1_9=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_13=32, var_1_10=4, var_1_11=4, var_1_12=-32, var_1_13=32, var_1_14=32, var_1_1=1, var_1_3=10006, var_1_4=10005, var_1_5=10007, var_1_6=0, var_1_7=0, var_1_8=1, var_1_9=256] [L87] RET assume_abort_if_not(var_1_10 >= -1) VAL [isInitial=1, last_1_var_1_13=32, var_1_10=4, var_1_11=4, var_1_12=-32, var_1_13=32, var_1_14=32, var_1_1=1, var_1_3=10006, var_1_4=10005, var_1_5=10007, var_1_6=0, var_1_7=0, var_1_8=1, var_1_9=256] [L88] CALL assume_abort_if_not(var_1_10 <= 32766) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=32, var_1_10=4, var_1_11=4, var_1_12=-32, var_1_13=32, var_1_14=32, var_1_1=1, var_1_3=10006, var_1_4=10005, var_1_5=10007, var_1_6=0, var_1_7=0, var_1_8=1, var_1_9=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_13=32, var_1_10=4, var_1_11=4, var_1_12=-32, var_1_13=32, var_1_14=32, var_1_1=1, var_1_3=10006, var_1_4=10005, var_1_5=10007, var_1_6=0, var_1_7=0, var_1_8=1, var_1_9=256] [L88] RET assume_abort_if_not(var_1_10 <= 32766) VAL [isInitial=1, last_1_var_1_13=32, var_1_10=4, var_1_11=4, var_1_12=-32, var_1_13=32, var_1_14=32, var_1_1=1, var_1_3=10006, var_1_4=10005, var_1_5=10007, var_1_6=0, var_1_7=0, var_1_8=1, var_1_9=256] [L89] var_1_11 = __VERIFIER_nondet_short() [L90] CALL assume_abort_if_not(var_1_11 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=32, var_1_10=4, var_1_11=0, var_1_12=-32, var_1_13=32, var_1_14=32, var_1_1=1, var_1_3=10006, var_1_4=10005, var_1_5=10007, var_1_6=0, var_1_7=0, var_1_8=1, var_1_9=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_13=32, var_1_10=4, var_1_11=0, var_1_12=-32, var_1_13=32, var_1_14=32, var_1_1=1, var_1_3=10006, var_1_4=10005, var_1_5=10007, var_1_6=0, var_1_7=0, var_1_8=1, var_1_9=256] [L90] RET assume_abort_if_not(var_1_11 >= 0) VAL [isInitial=1, last_1_var_1_13=32, var_1_10=4, var_1_11=0, var_1_12=-32, var_1_13=32, var_1_14=32, var_1_1=1, var_1_3=10006, var_1_4=10005, var_1_5=10007, var_1_6=0, var_1_7=0, var_1_8=1, var_1_9=256] [L91] CALL assume_abort_if_not(var_1_11 <= 32766) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=32, var_1_10=4, var_1_11=0, var_1_12=-32, var_1_13=32, var_1_14=32, var_1_1=1, var_1_3=10006, var_1_4=10005, var_1_5=10007, var_1_6=0, var_1_7=0, var_1_8=1, var_1_9=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_13=32, var_1_10=4, var_1_11=0, var_1_12=-32, var_1_13=32, var_1_14=32, var_1_1=1, var_1_3=10006, var_1_4=10005, var_1_5=10007, var_1_6=0, var_1_7=0, var_1_8=1, var_1_9=256] [L91] RET assume_abort_if_not(var_1_11 <= 32766) VAL [isInitial=1, last_1_var_1_13=32, var_1_10=4, var_1_11=0, var_1_12=-32, var_1_13=32, var_1_14=32, var_1_1=1, var_1_3=10006, var_1_4=10005, var_1_5=10007, var_1_6=0, var_1_7=0, var_1_8=1, var_1_9=256] [L92] var_1_14 = __VERIFIER_nondet_short() [L93] CALL assume_abort_if_not(var_1_14 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=32, var_1_10=4, var_1_11=0, var_1_12=-32, var_1_13=32, var_1_14=0, var_1_1=1, var_1_3=10006, var_1_4=10005, var_1_5=10007, var_1_6=0, var_1_7=0, var_1_8=1, var_1_9=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_13=32, var_1_10=4, var_1_11=0, var_1_12=-32, var_1_13=32, var_1_14=0, var_1_1=1, var_1_3=10006, var_1_4=10005, var_1_5=10007, var_1_6=0, var_1_7=0, var_1_8=1, var_1_9=256] [L93] RET assume_abort_if_not(var_1_14 >= 0) VAL [isInitial=1, last_1_var_1_13=32, var_1_10=4, var_1_11=0, var_1_12=-32, var_1_13=32, var_1_14=0, var_1_1=1, var_1_3=10006, var_1_4=10005, var_1_5=10007, var_1_6=0, var_1_7=0, var_1_8=1, var_1_9=256] [L94] CALL assume_abort_if_not(var_1_14 <= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=32, var_1_10=4, var_1_11=0, var_1_12=-32, var_1_13=32, var_1_14=0, var_1_1=1, var_1_3=10006, var_1_4=10005, var_1_5=10007, var_1_6=0, var_1_7=0, var_1_8=1, var_1_9=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_13=32, var_1_10=4, var_1_11=0, var_1_12=-32, var_1_13=32, var_1_14=0, var_1_1=1, var_1_3=10006, var_1_4=10005, var_1_5=10007, var_1_6=0, var_1_7=0, var_1_8=1, var_1_9=256] [L94] RET assume_abort_if_not(var_1_14 <= 32767) VAL [isInitial=1, last_1_var_1_13=32, var_1_10=4, var_1_11=0, var_1_12=-32, var_1_13=32, var_1_14=0, var_1_1=1, var_1_3=10006, var_1_4=10005, var_1_5=10007, var_1_6=0, var_1_7=0, var_1_8=1, var_1_9=256] [L108] RET updateVariables() [L109] CALL step() [L40] COND FALSE !((((((var_1_2 + var_1_3)) < ((var_1_4 - var_1_5))) ? ((var_1_2 + var_1_3)) : ((var_1_4 - var_1_5)))) != 31.9) [L47] var_1_1 = var_1_7 VAL [isInitial=1, last_1_var_1_13=32, var_1_10=4, var_1_11=0, var_1_12=-32, var_1_13=32, var_1_14=0, var_1_1=0, var_1_3=10006, var_1_4=10005, var_1_5=10007, var_1_6=0, var_1_7=0, var_1_8=1, var_1_9=256] [L49] COND TRUE var_1_2 > var_1_5 [L50] var_1_9 = (var_1_10 - var_1_11) VAL [isInitial=1, last_1_var_1_13=32, var_1_10=4, var_1_11=0, var_1_12=-32, var_1_13=32, var_1_14=0, var_1_1=0, var_1_3=10006, var_1_4=10005, var_1_5=10007, var_1_6=0, var_1_7=0, var_1_8=1, var_1_9=4] [L52] unsigned char stepLocal_0 = var_1_8; VAL [isInitial=1, last_1_var_1_13=32, stepLocal_0=1, var_1_10=4, var_1_11=0, var_1_12=-32, var_1_13=32, var_1_14=0, var_1_1=0, var_1_3=10006, var_1_4=10005, var_1_5=10007, var_1_6=0, var_1_7=0, var_1_8=1, var_1_9=4] [L53] COND FALSE !(var_1_1 && stepLocal_0) VAL [isInitial=1, last_1_var_1_13=32, stepLocal_0=1, var_1_10=4, var_1_11=0, var_1_12=-32, var_1_13=32, var_1_14=0, var_1_1=0, var_1_3=10006, var_1_4=10005, var_1_5=10007, var_1_6=0, var_1_7=0, var_1_8=1, var_1_9=4] [L56] signed short int stepLocal_2 = var_1_9; [L57] signed long int stepLocal_1 = var_1_11 - var_1_14; VAL [isInitial=1, last_1_var_1_13=32, stepLocal_0=1, stepLocal_1=0, stepLocal_2=4, var_1_10=4, var_1_11=0, var_1_12=-32, var_1_13=32, var_1_14=0, var_1_1=0, var_1_3=10006, var_1_4=10005, var_1_5=10007, var_1_6=0, var_1_7=0, var_1_8=1, var_1_9=4] [L58] COND TRUE var_1_11 <= stepLocal_2 [L59] var_1_13 = (var_1_10 - var_1_11) VAL [isInitial=1, last_1_var_1_13=32, stepLocal_0=1, stepLocal_1=0, stepLocal_2=4, var_1_10=4, var_1_11=0, var_1_12=-32, var_1_13=4, var_1_14=0, var_1_1=0, var_1_3=10006, var_1_4=10005, var_1_5=10007, var_1_6=0, var_1_7=0, var_1_8=1, var_1_9=4] [L109] RET step() [L110] CALL, EXPR property() [L100-L101] return (((((((((var_1_2 + var_1_3)) < ((var_1_4 - var_1_5))) ? ((var_1_2 + var_1_3)) : ((var_1_4 - var_1_5)))) != 31.9) ? (var_1_6 ? (var_1_1 == ((unsigned char) var_1_7)) : (var_1_1 == ((unsigned char) var_1_8))) : (var_1_1 == ((unsigned char) var_1_7))) && ((var_1_2 > var_1_5) ? (var_1_9 == ((signed short int) (var_1_10 - var_1_11))) : 1)) && ((var_1_1 && var_1_8) ? (var_1_12 == ((signed short int) (var_1_11 - 1))) : 1)) && ((var_1_11 <= var_1_9) ? (var_1_13 == ((signed long int) (var_1_10 - var_1_11))) : ((last_1_var_1_13 > (var_1_11 - var_1_14)) ? (var_1_13 == ((signed long int) last_1_var_1_13)) : (var_1_13 == ((signed long int) last_1_var_1_13)))) ; VAL [\result=0, isInitial=1, last_1_var_1_13=32, var_1_10=4, var_1_11=0, var_1_12=-32, var_1_13=4, var_1_14=0, var_1_1=0, var_1_3=10006, var_1_4=10005, var_1_5=10007, var_1_6=0, var_1_7=0, var_1_8=1, var_1_9=4] [L110] RET, EXPR property() [L110] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_13=32, var_1_10=4, var_1_11=0, var_1_12=-32, var_1_13=4, var_1_14=0, var_1_1=0, var_1_3=10006, var_1_4=10005, var_1_5=10007, var_1_6=0, var_1_7=0, var_1_8=1, var_1_9=4] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_13=32, var_1_10=4, var_1_11=0, var_1_12=-32, var_1_13=4, var_1_14=0, var_1_1=0, var_1_3=10006, var_1_4=10005, var_1_5=10007, var_1_6=0, var_1_7=0, var_1_8=1, var_1_9=4] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 53 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 4.4s, OverallIterations: 3, TraceHistogramMax: 16, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 109 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 95 mSDsluCounter, 328 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 177 mSDsCounter, 20 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 281 IncrementalHoareTripleChecker+Invalid, 301 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 20 mSolverCounterUnsat, 151 mSDtfsCounter, 281 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 310 GetRequests, 288 SyntacticMatches, 2 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 79 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=102occurred in iteration=2, InterpolantAutomatonStates: 22, 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, 13 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 2.1s InterpolantComputationTime, 420 NumberOfCodeBlocks, 420 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 416 ConstructedInterpolants, 0 QuantifiedInterpolants, 978 SizeOfPredicates, 3 NumberOfNonLiveVariables, 260 ConjunctsInSsa, 10 ConjunctsInUnsatCore, 4 InterpolantComputations, 1 PerfectInterpolantSequences, 1848/1920 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 22:24:47,809 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52c9b003-3d75-460b-9189-cbb18f8420fc/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52c9b003-3d75-460b-9189-cbb18f8420fc/bin/uautomizer-verify-WvqO1wxjHP/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52c9b003-3d75-460b-9189-cbb18f8420fc/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_52c9b003-3d75-460b-9189-cbb18f8420fc/bin/uautomizer-verify-WvqO1wxjHP/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52c9b003-3d75-460b-9189-cbb18f8420fc/bin/uautomizer-verify-WvqO1wxjHP/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-50.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52c9b003-3d75-460b-9189-cbb18f8420fc/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_52c9b003-3d75-460b-9189-cbb18f8420fc/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 fb6084b1d47e624872609ebdc1d7596105f0fe52752c1031b16d65d48dd2a5c7 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-e7bb482 [2023-11-06 22:24:51,178 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-06 22:24:51,355 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52c9b003-3d75-460b-9189-cbb18f8420fc/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-11-06 22:24:51,366 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-06 22:24:51,367 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-06 22:24:51,413 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-06 22:24:51,414 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-06 22:24:51,414 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-06 22:24:51,415 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-06 22:24:51,422 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-06 22:24:51,423 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-06 22:24:51,423 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-06 22:24:51,424 INFO L153 SettingsManager]: * Use SBE=true [2023-11-06 22:24:51,427 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-06 22:24:51,427 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-06 22:24:51,428 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-06 22:24:51,428 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-06 22:24:51,429 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-06 22:24:51,429 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-06 22:24:51,431 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-06 22:24:51,431 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-06 22:24:51,432 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-06 22:24:51,433 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-06 22:24:51,433 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-06 22:24:51,433 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-06 22:24:51,434 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-06 22:24:51,434 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-06 22:24:51,435 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-06 22:24:51,435 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-06 22:24:51,436 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-06 22:24:51,438 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:24:51,438 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-06 22:24:51,438 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-06 22:24:51,439 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-11-06 22:24:51,439 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-06 22:24:51,439 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-06 22:24:51,440 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-06 22:24:51,440 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-06 22:24:51,440 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-06 22:24:51,441 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-06 22:24:51,442 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-06 22:24:51,442 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-06 22:24:51,442 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_52c9b003-3d75-460b-9189-cbb18f8420fc/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52c9b003-3d75-460b-9189-cbb18f8420fc/bin/uautomizer-verify-WvqO1wxjHP Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fb6084b1d47e624872609ebdc1d7596105f0fe52752c1031b16d65d48dd2a5c7 [2023-11-06 22:24:51,976 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-06 22:24:52,015 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-06 22:24:52,019 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-06 22:24:52,021 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-06 22:24:52,021 INFO L274 PluginConnector]: CDTParser initialized [2023-11-06 22:24:52,023 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52c9b003-3d75-460b-9189-cbb18f8420fc/bin/uautomizer-verify-WvqO1wxjHP/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-50.i [2023-11-06 22:24:55,428 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-06 22:24:55,747 INFO L384 CDTParser]: Found 1 translation units. [2023-11-06 22:24:55,748 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52c9b003-3d75-460b-9189-cbb18f8420fc/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-50.i [2023-11-06 22:24:55,763 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52c9b003-3d75-460b-9189-cbb18f8420fc/bin/uautomizer-verify-WvqO1wxjHP/data/721655b79/c81acc99834842d084ed6fbcbfe53d42/FLAG0681921a8 [2023-11-06 22:24:55,785 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52c9b003-3d75-460b-9189-cbb18f8420fc/bin/uautomizer-verify-WvqO1wxjHP/data/721655b79/c81acc99834842d084ed6fbcbfe53d42 [2023-11-06 22:24:55,788 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-06 22:24:55,790 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-06 22:24:55,792 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-06 22:24:55,792 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-06 22:24:55,799 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-06 22:24:55,800 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:24:55" (1/1) ... [2023-11-06 22:24:55,802 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@ac2bcdd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:24:55, skipping insertion in model container [2023-11-06 22:24:55,802 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:24:55" (1/1) ... [2023-11-06 22:24:55,843 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 22:24:56,074 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_52c9b003-3d75-460b-9189-cbb18f8420fc/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-50.i[915,928] [2023-11-06 22:24:56,157 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:24:56,196 INFO L202 MainTranslator]: Completed pre-run [2023-11-06 22:24:56,217 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_52c9b003-3d75-460b-9189-cbb18f8420fc/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-50.i[915,928] [2023-11-06 22:24:56,268 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:24:56,298 INFO L206 MainTranslator]: Completed translation [2023-11-06 22:24:56,298 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:24:56 WrapperNode [2023-11-06 22:24:56,299 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-06 22:24:56,300 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-06 22:24:56,301 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-06 22:24:56,302 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-06 22:24:56,312 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:24:56" (1/1) ... [2023-11-06 22:24:56,366 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:24:56" (1/1) ... [2023-11-06 22:24:56,433 INFO L138 Inliner]: procedures = 27, calls = 29, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 113 [2023-11-06 22:24:56,433 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-06 22:24:56,434 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-06 22:24:56,435 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-06 22:24:56,435 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-06 22:24:56,469 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:24:56" (1/1) ... [2023-11-06 22:24:56,470 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:24:56" (1/1) ... [2023-11-06 22:24:56,499 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:24:56" (1/1) ... [2023-11-06 22:24:56,500 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:24:56" (1/1) ... [2023-11-06 22:24:56,512 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:24:56" (1/1) ... [2023-11-06 22:24:56,524 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:24:56" (1/1) ... [2023-11-06 22:24:56,527 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:24:56" (1/1) ... [2023-11-06 22:24:56,529 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:24:56" (1/1) ... [2023-11-06 22:24:56,534 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-06 22:24:56,548 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-06 22:24:56,549 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-06 22:24:56,549 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-06 22:24:56,550 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:24:56" (1/1) ... [2023-11-06 22:24:56,559 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:24:56,574 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52c9b003-3d75-460b-9189-cbb18f8420fc/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:24:56,593 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52c9b003-3d75-460b-9189-cbb18f8420fc/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-06 22:24:56,618 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52c9b003-3d75-460b-9189-cbb18f8420fc/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-06 22:24:56,651 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-06 22:24:56,652 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-06 22:24:56,652 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-06 22:24:56,652 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-06 22:24:56,653 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-06 22:24:56,653 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-06 22:24:56,810 INFO L236 CfgBuilder]: Building ICFG [2023-11-06 22:24:56,813 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-06 22:25:00,526 INFO L277 CfgBuilder]: Performing block encoding [2023-11-06 22:25:00,535 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-06 22:25:00,540 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-06 22:25:00,543 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:25:00 BoogieIcfgContainer [2023-11-06 22:25:00,545 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-06 22:25:00,549 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-06 22:25:00,551 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-06 22:25:00,556 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-06 22:25:00,556 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 10:24:55" (1/3) ... [2023-11-06 22:25:00,557 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2cbf6090 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:25:00, skipping insertion in model container [2023-11-06 22:25:00,558 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:24:56" (2/3) ... [2023-11-06 22:25:00,560 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2cbf6090 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:25:00, skipping insertion in model container [2023-11-06 22:25:00,560 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:25:00" (3/3) ... [2023-11-06 22:25:00,563 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount25_file-50.i [2023-11-06 22:25:00,585 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-06 22:25:00,586 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-06 22:25:00,667 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-06 22:25:00,676 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;@3a066163, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-06 22:25:00,677 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-06 22:25:00,683 INFO L276 IsEmpty]: Start isEmpty. Operand has 53 states, 34 states have (on average 1.3235294117647058) internal successors, (45), 35 states have internal predecessors, (45), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2023-11-06 22:25:00,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2023-11-06 22:25:00,702 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:25:00,703 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:25:00,704 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:25:00,709 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:25:00,710 INFO L85 PathProgramCache]: Analyzing trace with hash -451522965, now seen corresponding path program 1 times [2023-11-06 22:25:00,729 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-06 22:25:00,729 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1402381254] [2023-11-06 22:25:00,730 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:25:00,730 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 22:25:00,731 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52c9b003-3d75-460b-9189-cbb18f8420fc/bin/uautomizer-verify-WvqO1wxjHP/mathsat [2023-11-06 22:25:00,739 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52c9b003-3d75-460b-9189-cbb18f8420fc/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 22:25:00,782 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52c9b003-3d75-460b-9189-cbb18f8420fc/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 22:25:01,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:25:01,252 INFO L262 TraceCheckSpWp]: Trace formula consists of 173 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-06 22:25:01,265 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:25:01,320 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 246 proven. 0 refuted. 0 times theorem prover too weak. 234 trivial. 0 not checked. [2023-11-06 22:25:01,321 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:25:01,322 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-06 22:25:01,322 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1402381254] [2023-11-06 22:25:01,323 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1402381254] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:25:01,323 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:25:01,323 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-06 22:25:01,325 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [404973079] [2023-11-06 22:25:01,326 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:25:01,332 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-06 22:25:01,333 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-06 22:25:01,366 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-06 22:25:01,367 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-06 22:25:01,370 INFO L87 Difference]: Start difference. First operand has 53 states, 34 states have (on average 1.3235294117647058) internal successors, (45), 35 states have internal predecessors, (45), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) Second operand has 2 states, 2 states have (on average 16.0) internal successors, (32), 2 states have internal predecessors, (32), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2023-11-06 22:25:01,408 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:25:01,408 INFO L93 Difference]: Finished difference Result 99 states and 164 transitions. [2023-11-06 22:25:01,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-06 22:25:01,411 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 16.0) internal successors, (32), 2 states have internal predecessors, (32), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 105 [2023-11-06 22:25:01,412 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:25:01,421 INFO L225 Difference]: With dead ends: 99 [2023-11-06 22:25:01,421 INFO L226 Difference]: Without dead ends: 49 [2023-11-06 22:25:01,426 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 104 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 22:25:01,431 INFO L413 NwaCegarLoop]: 70 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, 70 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 22:25:01,432 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 70 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 22:25:01,453 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2023-11-06 22:25:01,486 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 49. [2023-11-06 22:25:01,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49 states, 31 states have (on average 1.2258064516129032) internal successors, (38), 31 states have internal predecessors, (38), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2023-11-06 22:25:01,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 70 transitions. [2023-11-06 22:25:01,501 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 70 transitions. Word has length 105 [2023-11-06 22:25:01,502 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:25:01,503 INFO L495 AbstractCegarLoop]: Abstraction has 49 states and 70 transitions. [2023-11-06 22:25:01,503 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 16.0) internal successors, (32), 2 states have internal predecessors, (32), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2023-11-06 22:25:01,504 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 70 transitions. [2023-11-06 22:25:01,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2023-11-06 22:25:01,509 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:25:01,509 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:25:01,538 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52c9b003-3d75-460b-9189-cbb18f8420fc/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 22:25:01,722 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52c9b003-3d75-460b-9189-cbb18f8420fc/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 22:25:01,723 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:25:01,724 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:25:01,724 INFO L85 PathProgramCache]: Analyzing trace with hash -2103955869, now seen corresponding path program 1 times [2023-11-06 22:25:01,725 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-06 22:25:01,725 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [472397982] [2023-11-06 22:25:01,726 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:25:01,726 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 22:25:01,726 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52c9b003-3d75-460b-9189-cbb18f8420fc/bin/uautomizer-verify-WvqO1wxjHP/mathsat [2023-11-06 22:25:01,728 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52c9b003-3d75-460b-9189-cbb18f8420fc/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 22:25:01,729 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52c9b003-3d75-460b-9189-cbb18f8420fc/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 22:25:02,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:25:02,129 INFO L262 TraceCheckSpWp]: Trace formula consists of 173 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-06 22:25:02,139 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:25:02,569 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 253 proven. 24 refuted. 0 times theorem prover too weak. 203 trivial. 0 not checked. [2023-11-06 22:25:02,569 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-06 22:25:02,979 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 21 proven. 24 refuted. 0 times theorem prover too weak. 435 trivial. 0 not checked. [2023-11-06 22:25:02,979 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-06 22:25:02,980 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [472397982] [2023-11-06 22:25:02,980 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [472397982] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-06 22:25:02,981 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-06 22:25:02,981 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 8 [2023-11-06 22:25:02,981 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1469085721] [2023-11-06 22:25:02,982 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-06 22:25:02,984 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-06 22:25:02,984 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-06 22:25:02,986 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-06 22:25:02,986 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2023-11-06 22:25:02,987 INFO L87 Difference]: Start difference. First operand 49 states and 70 transitions. Second operand has 8 states, 8 states have (on average 4.625) internal successors, (37), 8 states have internal predecessors, (37), 2 states have call successors, (24), 2 states have call predecessors, (24), 4 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2023-11-06 22:25:04,739 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.19s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-06 22:25:08,005 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.71s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-06 22:25:08,077 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:25:08,077 INFO L93 Difference]: Finished difference Result 157 states and 218 transitions. [2023-11-06 22:25:08,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-11-06 22:25:08,083 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 4.625) internal successors, (37), 8 states have internal predecessors, (37), 2 states have call successors, (24), 2 states have call predecessors, (24), 4 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) Word has length 105 [2023-11-06 22:25:08,084 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:25:08,087 INFO L225 Difference]: With dead ends: 157 [2023-11-06 22:25:08,088 INFO L226 Difference]: Without dead ends: 111 [2023-11-06 22:25:08,089 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 220 GetRequests, 202 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=112, Invalid=230, Unknown=0, NotChecked=0, Total=342 [2023-11-06 22:25:08,091 INFO L413 NwaCegarLoop]: 81 mSDtfsCounter, 179 mSDsluCounter, 134 mSDsCounter, 0 mSdLazyCounter, 211 mSolverCounterSat, 61 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 187 SdHoareTripleChecker+Valid, 215 SdHoareTripleChecker+Invalid, 272 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 61 IncrementalHoareTripleChecker+Valid, 211 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.8s IncrementalHoareTripleChecker+Time [2023-11-06 22:25:08,092 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [187 Valid, 215 Invalid, 272 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [61 Valid, 211 Invalid, 0 Unknown, 0 Unchecked, 4.8s Time] [2023-11-06 22:25:08,094 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2023-11-06 22:25:08,118 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 56. [2023-11-06 22:25:08,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 56 states, 37 states have (on average 1.2162162162162162) internal successors, (45), 37 states have internal predecessors, (45), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2023-11-06 22:25:08,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 77 transitions. [2023-11-06 22:25:08,121 INFO L78 Accepts]: Start accepts. Automaton has 56 states and 77 transitions. Word has length 105 [2023-11-06 22:25:08,122 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:25:08,122 INFO L495 AbstractCegarLoop]: Abstraction has 56 states and 77 transitions. [2023-11-06 22:25:08,122 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 4.625) internal successors, (37), 8 states have internal predecessors, (37), 2 states have call successors, (24), 2 states have call predecessors, (24), 4 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2023-11-06 22:25:08,123 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 77 transitions. [2023-11-06 22:25:08,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2023-11-06 22:25:08,125 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:25:08,125 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:25:08,151 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52c9b003-3d75-460b-9189-cbb18f8420fc/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 22:25:08,345 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52c9b003-3d75-460b-9189-cbb18f8420fc/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 22:25:08,345 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:25:08,346 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:25:08,346 INFO L85 PathProgramCache]: Analyzing trace with hash -328948507, now seen corresponding path program 1 times [2023-11-06 22:25:08,347 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-06 22:25:08,347 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [396948596] [2023-11-06 22:25:08,347 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:25:08,348 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 22:25:08,348 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52c9b003-3d75-460b-9189-cbb18f8420fc/bin/uautomizer-verify-WvqO1wxjHP/mathsat [2023-11-06 22:25:08,351 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52c9b003-3d75-460b-9189-cbb18f8420fc/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 22:25:08,358 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52c9b003-3d75-460b-9189-cbb18f8420fc/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 22:25:08,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:25:08,747 INFO L262 TraceCheckSpWp]: Trace formula consists of 171 conjuncts, 20 conjunts are in the unsatisfiable core [2023-11-06 22:25:08,757 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:25:47,949 WARN L293 SmtUtils]: Spent 13.26s on a formula simplification that was a NOOP. DAG size: 30 (called from [L 376] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-11-06 22:26:26,647 WARN L293 SmtUtils]: Spent 11.38s on a formula simplification that was a NOOP. DAG size: 35 (called from [L 376] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-11-06 22:27:38,860 WARN L293 SmtUtils]: Spent 14.79s on a formula simplification that was a NOOP. DAG size: 37 (called from [L 376] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-11-06 22:28:24,231 WARN L293 SmtUtils]: Spent 14.30s on a formula simplification that was a NOOP. DAG size: 39 (called from [L 376] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)