./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-16.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e7bb482b Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_455f067b-a4ac-4f99-8997-e522351cac38/bin/uautomizer-verify-WvqO1wxjHP/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_455f067b-a4ac-4f99-8997-e522351cac38/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_455f067b-a4ac-4f99-8997-e522351cac38/bin/uautomizer-verify-WvqO1wxjHP/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_455f067b-a4ac-4f99-8997-e522351cac38/bin/uautomizer-verify-WvqO1wxjHP/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-16.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_455f067b-a4ac-4f99-8997-e522351cac38/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_455f067b-a4ac-4f99-8997-e522351cac38/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 75aa5f2ee03271bd7ea8f31048e96d5efa8e1cf538471333e970760dcc6ec02a --- Real Ultimate output --- This is Ultimate 0.2.3-dev-e7bb482 [2023-11-06 22:19:09,001 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-06 22:19:09,107 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_455f067b-a4ac-4f99-8997-e522351cac38/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-06 22:19:09,115 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-06 22:19:09,115 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-06 22:19:09,168 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-06 22:19:09,169 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-06 22:19:09,170 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-06 22:19:09,171 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-06 22:19:09,171 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-06 22:19:09,172 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-06 22:19:09,173 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-06 22:19:09,173 INFO L153 SettingsManager]: * Use SBE=true [2023-11-06 22:19:09,174 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-06 22:19:09,175 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-06 22:19:09,175 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-06 22:19:09,176 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-06 22:19:09,176 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-06 22:19:09,177 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-06 22:19:09,177 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-06 22:19:09,178 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-06 22:19:09,179 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-06 22:19:09,179 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-06 22:19:09,179 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-06 22:19:09,180 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-06 22:19:09,180 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-06 22:19:09,181 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-06 22:19:09,181 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-06 22:19:09,182 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:19:09,182 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-06 22:19:09,183 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-06 22:19:09,183 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-11-06 22:19:09,184 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-06 22:19:09,184 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-06 22:19:09,184 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-06 22:19:09,185 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-06 22:19:09,200 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-06 22:19:09,201 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-06 22:19:09,201 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-06 22:19:09,201 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_455f067b-a4ac-4f99-8997-e522351cac38/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_455f067b-a4ac-4f99-8997-e522351cac38/bin/uautomizer-verify-WvqO1wxjHP Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 75aa5f2ee03271bd7ea8f31048e96d5efa8e1cf538471333e970760dcc6ec02a [2023-11-06 22:19:09,443 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-06 22:19:09,492 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-06 22:19:09,494 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-06 22:19:09,496 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-06 22:19:09,527 INFO L274 PluginConnector]: CDTParser initialized [2023-11-06 22:19:09,529 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_455f067b-a4ac-4f99-8997-e522351cac38/bin/uautomizer-verify-WvqO1wxjHP/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-16.i [2023-11-06 22:19:12,561 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-06 22:19:12,839 INFO L384 CDTParser]: Found 1 translation units. [2023-11-06 22:19:12,839 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_455f067b-a4ac-4f99-8997-e522351cac38/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-16.i [2023-11-06 22:19:12,854 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_455f067b-a4ac-4f99-8997-e522351cac38/bin/uautomizer-verify-WvqO1wxjHP/data/4891f2820/bea9edf6166c40f7b937d6b898b3f969/FLAG8f2541482 [2023-11-06 22:19:12,885 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_455f067b-a4ac-4f99-8997-e522351cac38/bin/uautomizer-verify-WvqO1wxjHP/data/4891f2820/bea9edf6166c40f7b937d6b898b3f969 [2023-11-06 22:19:12,894 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-06 22:19:12,897 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-06 22:19:12,904 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-06 22:19:12,904 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-06 22:19:12,911 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-06 22:19:12,912 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:19:12" (1/1) ... [2023-11-06 22:19:12,913 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@52cdffcb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:19:12, skipping insertion in model container [2023-11-06 22:19:12,913 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:19:12" (1/1) ... [2023-11-06 22:19:12,965 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 22:19:13,160 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_455f067b-a4ac-4f99-8997-e522351cac38/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-16.i[915,928] [2023-11-06 22:19:13,236 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:19:13,248 INFO L202 MainTranslator]: Completed pre-run [2023-11-06 22:19:13,260 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_455f067b-a4ac-4f99-8997-e522351cac38/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-16.i[915,928] [2023-11-06 22:19:13,287 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:19:13,317 INFO L206 MainTranslator]: Completed translation [2023-11-06 22:19:13,317 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:19:13 WrapperNode [2023-11-06 22:19:13,317 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-06 22:19:13,319 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-06 22:19:13,319 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-06 22:19:13,319 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-06 22:19:13,327 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:19:13" (1/1) ... [2023-11-06 22:19:13,347 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:19:13" (1/1) ... [2023-11-06 22:19:13,396 INFO L138 Inliner]: procedures = 26, calls = 35, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 183 [2023-11-06 22:19:13,397 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-06 22:19:13,398 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-06 22:19:13,398 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-06 22:19:13,398 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-06 22:19:13,409 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:19:13" (1/1) ... [2023-11-06 22:19:13,409 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:19:13" (1/1) ... [2023-11-06 22:19:13,426 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:19:13" (1/1) ... [2023-11-06 22:19:13,426 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:19:13" (1/1) ... [2023-11-06 22:19:13,436 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:19:13" (1/1) ... [2023-11-06 22:19:13,440 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:19:13" (1/1) ... [2023-11-06 22:19:13,443 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:19:13" (1/1) ... [2023-11-06 22:19:13,445 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:19:13" (1/1) ... [2023-11-06 22:19:13,449 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-06 22:19:13,450 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-06 22:19:13,451 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-06 22:19:13,451 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-06 22:19:13,452 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:19:13" (1/1) ... [2023-11-06 22:19:13,459 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:19:13,475 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_455f067b-a4ac-4f99-8997-e522351cac38/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:19:13,488 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_455f067b-a4ac-4f99-8997-e522351cac38/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-06 22:19:13,515 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_455f067b-a4ac-4f99-8997-e522351cac38/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-06 22:19:13,539 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-06 22:19:13,539 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-06 22:19:13,539 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-06 22:19:13,540 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-06 22:19:13,541 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-06 22:19:13,541 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-06 22:19:13,637 INFO L236 CfgBuilder]: Building ICFG [2023-11-06 22:19:13,639 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-06 22:19:14,096 INFO L277 CfgBuilder]: Performing block encoding [2023-11-06 22:19:14,103 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-06 22:19:14,113 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-06 22:19:14,116 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:19:14 BoogieIcfgContainer [2023-11-06 22:19:14,116 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-06 22:19:14,119 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-06 22:19:14,119 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-06 22:19:14,122 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-06 22:19:14,123 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 10:19:12" (1/3) ... [2023-11-06 22:19:14,124 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@52e64847 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:19:14, skipping insertion in model container [2023-11-06 22:19:14,124 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:19:13" (2/3) ... [2023-11-06 22:19:14,125 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@52e64847 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:19:14, skipping insertion in model container [2023-11-06 22:19:14,126 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:19:14" (3/3) ... [2023-11-06 22:19:14,128 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount50_file-16.i [2023-11-06 22:19:14,146 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-06 22:19:14,148 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-06 22:19:14,195 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-06 22:19:14,202 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;@7cc18066, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-06 22:19:14,202 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-06 22:19:14,206 INFO L276 IsEmpty]: Start isEmpty. Operand has 76 states, 51 states have (on average 1.411764705882353) internal successors, (72), 52 states have internal predecessors, (72), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2023-11-06 22:19:14,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2023-11-06 22:19:14,223 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:19:14,224 INFO L195 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:19:14,224 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:19:14,230 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:19:14,230 INFO L85 PathProgramCache]: Analyzing trace with hash 2040424968, now seen corresponding path program 1 times [2023-11-06 22:19:14,239 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:19:14,239 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1304499971] [2023-11-06 22:19:14,240 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:19:14,240 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:19:14,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:19:14,537 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:19:14,540 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1304499971] [2023-11-06 22:19:14,540 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2023-11-06 22:19:14,541 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1889711758] [2023-11-06 22:19:14,541 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:19:14,541 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:19:14,542 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_455f067b-a4ac-4f99-8997-e522351cac38/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:19:14,546 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_455f067b-a4ac-4f99-8997-e522351cac38/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:19:14,573 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_455f067b-a4ac-4f99-8997-e522351cac38/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-06 22:19:14,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:19:14,804 INFO L262 TraceCheckSpWp]: Trace formula consists of 374 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-06 22:19:14,816 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:19:14,868 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 882 trivial. 0 not checked. [2023-11-06 22:19:14,868 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:19:14,869 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1889711758] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:19:14,869 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:19:14,869 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-06 22:19:14,872 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1312377485] [2023-11-06 22:19:14,872 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:19:14,877 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-06 22:19:14,878 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:19:14,907 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-06 22:19:14,908 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-06 22:19:14,911 INFO L87 Difference]: Start difference. First operand has 76 states, 51 states have (on average 1.411764705882353) internal successors, (72), 52 states have internal predecessors, (72), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) Second operand has 2 states, 2 states have (on average 21.0) internal successors, (42), 2 states have internal predecessors, (42), 2 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 2 states have call successors, (22) [2023-11-06 22:19:14,945 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:19:14,945 INFO L93 Difference]: Finished difference Result 145 states and 248 transitions. [2023-11-06 22:19:14,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-06 22:19:14,948 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 21.0) internal successors, (42), 2 states have internal predecessors, (42), 2 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 2 states have call successors, (22) Word has length 147 [2023-11-06 22:19:14,948 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:19:14,956 INFO L225 Difference]: With dead ends: 145 [2023-11-06 22:19:14,956 INFO L226 Difference]: Without dead ends: 72 [2023-11-06 22:19:14,960 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 146 GetRequests, 146 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 22:19:14,964 INFO L413 NwaCegarLoop]: 109 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, 109 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 22:19:14,965 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 109 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 22:19:14,983 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72 states. [2023-11-06 22:19:15,010 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 72. [2023-11-06 22:19:15,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 72 states, 48 states have (on average 1.3541666666666667) internal successors, (65), 48 states have internal predecessors, (65), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2023-11-06 22:19:15,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 109 transitions. [2023-11-06 22:19:15,016 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 109 transitions. Word has length 147 [2023-11-06 22:19:15,016 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:19:15,017 INFO L495 AbstractCegarLoop]: Abstraction has 72 states and 109 transitions. [2023-11-06 22:19:15,017 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 21.0) internal successors, (42), 2 states have internal predecessors, (42), 2 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 2 states have call successors, (22) [2023-11-06 22:19:15,017 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 109 transitions. [2023-11-06 22:19:15,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2023-11-06 22:19:15,021 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:19:15,022 INFO L195 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:19:15,034 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_455f067b-a4ac-4f99-8997-e522351cac38/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-06 22:19:15,228 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_455f067b-a4ac-4f99-8997-e522351cac38/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-11-06 22:19:15,229 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:19:15,230 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:19:15,230 INFO L85 PathProgramCache]: Analyzing trace with hash -138780336, now seen corresponding path program 1 times [2023-11-06 22:19:15,230 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:19:15,230 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [601903850] [2023-11-06 22:19:15,231 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:19:15,231 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:19:15,377 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 22:19:15,378 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [953346922] [2023-11-06 22:19:15,378 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:19:15,379 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:19:15,379 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_455f067b-a4ac-4f99-8997-e522351cac38/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:19:15,380 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_455f067b-a4ac-4f99-8997-e522351cac38/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:19:15,387 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_455f067b-a4ac-4f99-8997-e522351cac38/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-06 22:19:15,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:19:15,607 INFO L262 TraceCheckSpWp]: Trace formula consists of 374 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-06 22:19:15,617 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:19:15,718 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2023-11-06 22:19:15,718 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:19:15,718 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:19:15,719 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [601903850] [2023-11-06 22:19:15,719 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 22:19:15,720 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [953346922] [2023-11-06 22:19:15,720 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [953346922] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:19:15,720 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:19:15,721 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-06 22:19:15,721 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [19371673] [2023-11-06 22:19:15,721 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:19:15,723 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-06 22:19:15,723 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:19:15,724 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-06 22:19:15,725 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-11-06 22:19:15,725 INFO L87 Difference]: Start difference. First operand 72 states and 109 transitions. Second operand has 5 states, 5 states have (on average 8.0) internal successors, (40), 5 states have internal predecessors, (40), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2023-11-06 22:19:15,953 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:19:15,954 INFO L93 Difference]: Finished difference Result 243 states and 359 transitions. [2023-11-06 22:19:15,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-06 22:19:15,955 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.0) internal successors, (40), 5 states have internal predecessors, (40), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 147 [2023-11-06 22:19:15,957 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:19:15,960 INFO L225 Difference]: With dead ends: 243 [2023-11-06 22:19:15,961 INFO L226 Difference]: Without dead ends: 174 [2023-11-06 22:19:15,963 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 150 GetRequests, 145 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2023-11-06 22:19:15,964 INFO L413 NwaCegarLoop]: 140 mSDtfsCounter, 175 mSDsluCounter, 212 mSDsCounter, 0 mSdLazyCounter, 83 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 175 SdHoareTripleChecker+Valid, 352 SdHoareTripleChecker+Invalid, 99 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 83 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-06 22:19:15,965 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [175 Valid, 352 Invalid, 99 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 83 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-06 22:19:15,967 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 174 states. [2023-11-06 22:19:15,992 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 174 to 122. [2023-11-06 22:19:15,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 122 states, 95 states have (on average 1.431578947368421) internal successors, (136), 96 states have internal predecessors, (136), 24 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (24), 23 states have call predecessors, (24), 24 states have call successors, (24) [2023-11-06 22:19:15,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 122 states and 184 transitions. [2023-11-06 22:19:15,996 INFO L78 Accepts]: Start accepts. Automaton has 122 states and 184 transitions. Word has length 147 [2023-11-06 22:19:15,997 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:19:15,997 INFO L495 AbstractCegarLoop]: Abstraction has 122 states and 184 transitions. [2023-11-06 22:19:15,998 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.0) internal successors, (40), 5 states have internal predecessors, (40), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2023-11-06 22:19:15,998 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 184 transitions. [2023-11-06 22:19:16,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2023-11-06 22:19:16,002 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:19:16,002 INFO L195 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:19:16,015 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_455f067b-a4ac-4f99-8997-e522351cac38/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-11-06 22:19:16,210 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_455f067b-a4ac-4f99-8997-e522351cac38/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:19:16,210 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:19:16,211 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:19:16,211 INFO L85 PathProgramCache]: Analyzing trace with hash -1727128238, now seen corresponding path program 1 times [2023-11-06 22:19:16,211 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:19:16,211 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1770540862] [2023-11-06 22:19:16,212 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:19:16,212 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:19:16,302 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 22:19:16,303 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1192117857] [2023-11-06 22:19:16,303 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:19:16,303 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:19:16,304 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_455f067b-a4ac-4f99-8997-e522351cac38/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:19:16,305 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_455f067b-a4ac-4f99-8997-e522351cac38/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:19:16,323 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_455f067b-a4ac-4f99-8997-e522351cac38/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-11-06 22:19:16,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:19:16,472 INFO L262 TraceCheckSpWp]: Trace formula consists of 372 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-06 22:19:16,479 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:19:16,544 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2023-11-06 22:19:16,544 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:19:16,545 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:19:16,545 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1770540862] [2023-11-06 22:19:16,545 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 22:19:16,545 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1192117857] [2023-11-06 22:19:16,546 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1192117857] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:19:16,546 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:19:16,546 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-06 22:19:16,546 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1134832740] [2023-11-06 22:19:16,546 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:19:16,547 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-06 22:19:16,548 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:19:16,548 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-06 22:19:16,549 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-11-06 22:19:16,549 INFO L87 Difference]: Start difference. First operand 122 states and 184 transitions. Second operand has 6 states, 6 states have (on average 6.666666666666667) internal successors, (40), 6 states have internal predecessors, (40), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2023-11-06 22:19:16,814 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:19:16,814 INFO L93 Difference]: Finished difference Result 315 states and 463 transitions. [2023-11-06 22:19:16,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-06 22:19:16,815 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.666666666666667) internal successors, (40), 6 states have internal predecessors, (40), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 147 [2023-11-06 22:19:16,816 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:19:16,817 INFO L225 Difference]: With dead ends: 315 [2023-11-06 22:19:16,818 INFO L226 Difference]: Without dead ends: 196 [2023-11-06 22:19:16,819 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 151 GetRequests, 144 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2023-11-06 22:19:16,821 INFO L413 NwaCegarLoop]: 110 mSDtfsCounter, 219 mSDsluCounter, 444 mSDsCounter, 0 mSdLazyCounter, 114 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 219 SdHoareTripleChecker+Valid, 554 SdHoareTripleChecker+Invalid, 133 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 114 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-06 22:19:16,821 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [219 Valid, 554 Invalid, 133 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 114 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-06 22:19:16,823 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 196 states. [2023-11-06 22:19:16,841 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 196 to 173. [2023-11-06 22:19:16,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 173 states, 140 states have (on average 1.4357142857142857) internal successors, (201), 142 states have internal predecessors, (201), 28 states have call successors, (28), 4 states have call predecessors, (28), 4 states have return successors, (28), 26 states have call predecessors, (28), 28 states have call successors, (28) [2023-11-06 22:19:16,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 173 states and 257 transitions. [2023-11-06 22:19:16,845 INFO L78 Accepts]: Start accepts. Automaton has 173 states and 257 transitions. Word has length 147 [2023-11-06 22:19:16,846 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:19:16,846 INFO L495 AbstractCegarLoop]: Abstraction has 173 states and 257 transitions. [2023-11-06 22:19:16,846 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.666666666666667) internal successors, (40), 6 states have internal predecessors, (40), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2023-11-06 22:19:16,847 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 257 transitions. [2023-11-06 22:19:16,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2023-11-06 22:19:16,850 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:19:16,851 INFO L195 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:19:16,863 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_455f067b-a4ac-4f99-8997-e522351cac38/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-11-06 22:19:17,057 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_455f067b-a4ac-4f99-8997-e522351cac38/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:19:17,057 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:19:17,057 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:19:17,058 INFO L85 PathProgramCache]: Analyzing trace with hash -1468962800, now seen corresponding path program 1 times [2023-11-06 22:19:17,058 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:19:17,058 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1560632951] [2023-11-06 22:19:17,058 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:19:17,058 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:19:17,132 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 22:19:17,133 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1461860716] [2023-11-06 22:19:17,133 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:19:17,133 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:19:17,133 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_455f067b-a4ac-4f99-8997-e522351cac38/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:19:17,136 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_455f067b-a4ac-4f99-8997-e522351cac38/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:19:17,163 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_455f067b-a4ac-4f99-8997-e522351cac38/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-11-06 22:19:17,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:19:17,297 INFO L262 TraceCheckSpWp]: Trace formula consists of 370 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-06 22:19:17,308 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:19:17,737 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2023-11-06 22:19:17,737 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:19:17,737 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:19:17,737 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1560632951] [2023-11-06 22:19:17,738 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 22:19:17,738 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1461860716] [2023-11-06 22:19:17,738 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1461860716] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:19:17,738 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:19:17,738 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-06 22:19:17,738 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1729006592] [2023-11-06 22:19:17,739 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:19:17,740 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-06 22:19:17,740 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:19:17,741 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-06 22:19:17,742 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2023-11-06 22:19:17,742 INFO L87 Difference]: Start difference. First operand 173 states and 257 transitions. Second operand has 8 states, 8 states have (on average 5.0) internal successors, (40), 8 states have internal predecessors, (40), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2023-11-06 22:19:18,162 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:19:18,162 INFO L93 Difference]: Finished difference Result 493 states and 736 transitions. [2023-11-06 22:19:18,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-11-06 22:19:18,163 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 5.0) internal successors, (40), 8 states have internal predecessors, (40), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 147 [2023-11-06 22:19:18,166 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:19:18,170 INFO L225 Difference]: With dead ends: 493 [2023-11-06 22:19:18,170 INFO L226 Difference]: Without dead ends: 323 [2023-11-06 22:19:18,172 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 154 GetRequests, 140 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=73, Invalid=167, Unknown=0, NotChecked=0, Total=240 [2023-11-06 22:19:18,177 INFO L413 NwaCegarLoop]: 110 mSDtfsCounter, 190 mSDsluCounter, 485 mSDsCounter, 0 mSdLazyCounter, 192 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 190 SdHoareTripleChecker+Valid, 595 SdHoareTripleChecker+Invalid, 197 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 192 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-06 22:19:18,179 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [190 Valid, 595 Invalid, 197 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 192 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-06 22:19:18,184 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 323 states. [2023-11-06 22:19:18,226 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 323 to 231. [2023-11-06 22:19:18,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 231 states, 198 states have (on average 1.4848484848484849) internal successors, (294), 200 states have internal predecessors, (294), 28 states have call successors, (28), 4 states have call predecessors, (28), 4 states have return successors, (28), 26 states have call predecessors, (28), 28 states have call successors, (28) [2023-11-06 22:19:18,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 231 states and 350 transitions. [2023-11-06 22:19:18,233 INFO L78 Accepts]: Start accepts. Automaton has 231 states and 350 transitions. Word has length 147 [2023-11-06 22:19:18,233 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:19:18,233 INFO L495 AbstractCegarLoop]: Abstraction has 231 states and 350 transitions. [2023-11-06 22:19:18,234 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 5.0) internal successors, (40), 8 states have internal predecessors, (40), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2023-11-06 22:19:18,234 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 350 transitions. [2023-11-06 22:19:18,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2023-11-06 22:19:18,237 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:19:18,238 INFO L195 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:19:18,252 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_455f067b-a4ac-4f99-8997-e522351cac38/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-11-06 22:19:18,438 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_455f067b-a4ac-4f99-8997-e522351cac38/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:19:18,439 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:19:18,439 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:19:18,439 INFO L85 PathProgramCache]: Analyzing trace with hash -2132925042, now seen corresponding path program 1 times [2023-11-06 22:19:18,439 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:19:18,439 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1051802629] [2023-11-06 22:19:18,440 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:19:18,440 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:19:18,485 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 22:19:18,485 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [566658566] [2023-11-06 22:19:18,486 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:19:18,486 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:19:18,486 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_455f067b-a4ac-4f99-8997-e522351cac38/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:19:18,499 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_455f067b-a4ac-4f99-8997-e522351cac38/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:19:18,500 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_455f067b-a4ac-4f99-8997-e522351cac38/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-11-06 22:19:18,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:19:18,722 INFO L262 TraceCheckSpWp]: Trace formula consists of 371 conjuncts, 30 conjunts are in the unsatisfiable core [2023-11-06 22:19:18,729 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:19:20,237 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 447 proven. 87 refuted. 0 times theorem prover too weak. 390 trivial. 0 not checked. [2023-11-06 22:19:20,238 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-06 22:19:22,290 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2023-11-06 22:19:22,290 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:19:22,291 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1051802629] [2023-11-06 22:19:22,291 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 22:19:22,294 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [566658566] [2023-11-06 22:19:22,295 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [566658566] provided 1 perfect and 1 imperfect interpolant sequences [2023-11-06 22:19:22,295 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-06 22:19:22,295 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [17] total 24 [2023-11-06 22:19:22,296 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [835291326] [2023-11-06 22:19:22,296 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:19:22,297 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-06 22:19:22,297 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:19:22,298 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-06 22:19:22,304 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=115, Invalid=437, Unknown=0, NotChecked=0, Total=552 [2023-11-06 22:19:22,304 INFO L87 Difference]: Start difference. First operand 231 states and 350 transitions. Second operand has 9 states, 9 states have (on average 4.444444444444445) internal successors, (40), 9 states have internal predecessors, (40), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2023-11-06 22:19:24,089 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:19:24,089 INFO L93 Difference]: Finished difference Result 663 states and 983 transitions. [2023-11-06 22:19:24,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-11-06 22:19:24,090 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 4.444444444444445) internal successors, (40), 9 states have internal predecessors, (40), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 147 [2023-11-06 22:19:24,091 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:19:24,094 INFO L225 Difference]: With dead ends: 663 [2023-11-06 22:19:24,094 INFO L226 Difference]: Without dead ends: 435 [2023-11-06 22:19:24,095 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 308 GetRequests, 271 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 381 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=255, Invalid=1227, Unknown=0, NotChecked=0, Total=1482 [2023-11-06 22:19:24,096 INFO L413 NwaCegarLoop]: 103 mSDtfsCounter, 239 mSDsluCounter, 417 mSDsCounter, 0 mSdLazyCounter, 353 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 239 SdHoareTripleChecker+Valid, 520 SdHoareTripleChecker+Invalid, 369 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 353 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-11-06 22:19:24,097 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [239 Valid, 520 Invalid, 369 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 353 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-11-06 22:19:24,098 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 435 states. [2023-11-06 22:19:24,118 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 435 to 256. [2023-11-06 22:19:24,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 256 states, 223 states have (on average 1.4887892376681615) internal successors, (332), 225 states have internal predecessors, (332), 28 states have call successors, (28), 4 states have call predecessors, (28), 4 states have return successors, (28), 26 states have call predecessors, (28), 28 states have call successors, (28) [2023-11-06 22:19:24,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 256 states and 388 transitions. [2023-11-06 22:19:24,121 INFO L78 Accepts]: Start accepts. Automaton has 256 states and 388 transitions. Word has length 147 [2023-11-06 22:19:24,122 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:19:24,122 INFO L495 AbstractCegarLoop]: Abstraction has 256 states and 388 transitions. [2023-11-06 22:19:24,122 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 4.444444444444445) internal successors, (40), 9 states have internal predecessors, (40), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2023-11-06 22:19:24,123 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 388 transitions. [2023-11-06 22:19:24,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2023-11-06 22:19:24,126 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:19:24,126 INFO L195 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:19:24,135 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_455f067b-a4ac-4f99-8997-e522351cac38/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2023-11-06 22:19:24,333 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_455f067b-a4ac-4f99-8997-e522351cac38/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:19:24,333 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:19:24,334 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:19:24,334 INFO L85 PathProgramCache]: Analyzing trace with hash 1352695628, now seen corresponding path program 1 times [2023-11-06 22:19:24,334 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:19:24,334 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [84832457] [2023-11-06 22:19:24,334 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:19:24,334 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:19:24,380 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 22:19:24,382 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1993291034] [2023-11-06 22:19:24,382 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:19:24,382 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:19:24,383 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_455f067b-a4ac-4f99-8997-e522351cac38/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:19:24,384 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_455f067b-a4ac-4f99-8997-e522351cac38/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:19:24,403 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_455f067b-a4ac-4f99-8997-e522351cac38/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-11-06 22:19:24,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:19:24,674 INFO L262 TraceCheckSpWp]: Trace formula consists of 369 conjuncts, 16 conjunts are in the unsatisfiable core [2023-11-06 22:19:24,679 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:19:25,063 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2023-11-06 22:19:25,063 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:19:25,063 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:19:25,064 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [84832457] [2023-11-06 22:19:25,064 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 22:19:25,064 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1993291034] [2023-11-06 22:19:25,064 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1993291034] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:19:25,064 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:19:25,065 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-06 22:19:25,065 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1224393217] [2023-11-06 22:19:25,065 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:19:25,065 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-06 22:19:25,066 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:19:25,066 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-06 22:19:25,067 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2023-11-06 22:19:25,067 INFO L87 Difference]: Start difference. First operand 256 states and 388 transitions. Second operand has 8 states, 8 states have (on average 5.0) internal successors, (40), 7 states have internal predecessors, (40), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2023-11-06 22:19:25,743 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:19:25,744 INFO L93 Difference]: Finished difference Result 892 states and 1336 transitions. [2023-11-06 22:19:25,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2023-11-06 22:19:25,745 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 5.0) internal successors, (40), 7 states have internal predecessors, (40), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 147 [2023-11-06 22:19:25,745 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:19:25,751 INFO L225 Difference]: With dead ends: 892 [2023-11-06 22:19:25,751 INFO L226 Difference]: Without dead ends: 639 [2023-11-06 22:19:25,753 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 158 GetRequests, 140 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=127, Invalid=253, Unknown=0, NotChecked=0, Total=380 [2023-11-06 22:19:25,754 INFO L413 NwaCegarLoop]: 124 mSDtfsCounter, 376 mSDsluCounter, 462 mSDsCounter, 0 mSdLazyCounter, 305 mSolverCounterSat, 69 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 376 SdHoareTripleChecker+Valid, 586 SdHoareTripleChecker+Invalid, 374 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 69 IncrementalHoareTripleChecker+Valid, 305 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-11-06 22:19:25,755 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [376 Valid, 586 Invalid, 374 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [69 Valid, 305 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-11-06 22:19:25,758 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 639 states. [2023-11-06 22:19:25,809 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 639 to 400. [2023-11-06 22:19:25,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 400 states, 341 states have (on average 1.498533724340176) internal successors, (511), 344 states have internal predecessors, (511), 52 states have call successors, (52), 6 states have call predecessors, (52), 6 states have return successors, (52), 49 states have call predecessors, (52), 52 states have call successors, (52) [2023-11-06 22:19:25,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 400 states to 400 states and 615 transitions. [2023-11-06 22:19:25,815 INFO L78 Accepts]: Start accepts. Automaton has 400 states and 615 transitions. Word has length 147 [2023-11-06 22:19:25,816 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:19:25,836 INFO L495 AbstractCegarLoop]: Abstraction has 400 states and 615 transitions. [2023-11-06 22:19:25,836 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 5.0) internal successors, (40), 7 states have internal predecessors, (40), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2023-11-06 22:19:25,836 INFO L276 IsEmpty]: Start isEmpty. Operand 400 states and 615 transitions. [2023-11-06 22:19:25,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2023-11-06 22:19:25,838 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:19:25,839 INFO L195 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:19:25,852 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_455f067b-a4ac-4f99-8997-e522351cac38/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2023-11-06 22:19:26,039 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_455f067b-a4ac-4f99-8997-e522351cac38/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2023-11-06 22:19:26,039 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:19:26,040 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:19:26,040 INFO L85 PathProgramCache]: Analyzing trace with hash -1874759604, now seen corresponding path program 1 times [2023-11-06 22:19:26,040 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:19:26,040 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1688586812] [2023-11-06 22:19:26,040 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:19:26,040 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:19:26,095 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 22:19:26,096 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [505831805] [2023-11-06 22:19:26,096 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:19:26,097 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:19:26,097 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_455f067b-a4ac-4f99-8997-e522351cac38/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:19:26,098 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_455f067b-a4ac-4f99-8997-e522351cac38/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:19:26,104 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_455f067b-a4ac-4f99-8997-e522351cac38/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-11-06 22:19:26,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:19:26,260 INFO L262 TraceCheckSpWp]: Trace formula consists of 369 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-06 22:19:26,265 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:19:26,570 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2023-11-06 22:19:26,571 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:19:26,571 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:19:26,571 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1688586812] [2023-11-06 22:19:26,571 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 22:19:26,572 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [505831805] [2023-11-06 22:19:26,572 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [505831805] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:19:26,572 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:19:26,572 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-06 22:19:26,572 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1622598803] [2023-11-06 22:19:26,573 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:19:26,573 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-06 22:19:26,573 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:19:26,574 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-06 22:19:26,574 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2023-11-06 22:19:26,575 INFO L87 Difference]: Start difference. First operand 400 states and 615 transitions. Second operand has 8 states, 8 states have (on average 5.0) internal successors, (40), 8 states have internal predecessors, (40), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2023-11-06 22:19:27,113 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:19:27,113 INFO L93 Difference]: Finished difference Result 983 states and 1498 transitions. [2023-11-06 22:19:27,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-11-06 22:19:27,117 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 5.0) internal successors, (40), 8 states have internal predecessors, (40), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 147 [2023-11-06 22:19:27,118 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:19:27,124 INFO L225 Difference]: With dead ends: 983 [2023-11-06 22:19:27,124 INFO L226 Difference]: Without dead ends: 586 [2023-11-06 22:19:27,125 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 154 GetRequests, 140 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=73, Invalid=167, Unknown=0, NotChecked=0, Total=240 [2023-11-06 22:19:27,127 INFO L413 NwaCegarLoop]: 121 mSDtfsCounter, 174 mSDsluCounter, 390 mSDsCounter, 0 mSdLazyCounter, 266 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 174 SdHoareTripleChecker+Valid, 511 SdHoareTripleChecker+Invalid, 270 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 266 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-06 22:19:27,127 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [174 Valid, 511 Invalid, 270 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 266 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-06 22:19:27,129 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 586 states. [2023-11-06 22:19:27,179 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 586 to 407. [2023-11-06 22:19:27,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 407 states, 348 states have (on average 1.4971264367816093) internal successors, (521), 351 states have internal predecessors, (521), 52 states have call successors, (52), 6 states have call predecessors, (52), 6 states have return successors, (52), 49 states have call predecessors, (52), 52 states have call successors, (52) [2023-11-06 22:19:27,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 407 states to 407 states and 625 transitions. [2023-11-06 22:19:27,185 INFO L78 Accepts]: Start accepts. Automaton has 407 states and 625 transitions. Word has length 147 [2023-11-06 22:19:27,187 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:19:27,187 INFO L495 AbstractCegarLoop]: Abstraction has 407 states and 625 transitions. [2023-11-06 22:19:27,187 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 5.0) internal successors, (40), 8 states have internal predecessors, (40), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2023-11-06 22:19:27,187 INFO L276 IsEmpty]: Start isEmpty. Operand 407 states and 625 transitions. [2023-11-06 22:19:27,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2023-11-06 22:19:27,191 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:19:27,191 INFO L195 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:19:27,203 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_455f067b-a4ac-4f99-8997-e522351cac38/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2023-11-06 22:19:27,398 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_455f067b-a4ac-4f99-8997-e522351cac38/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2023-11-06 22:19:27,398 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:19:27,399 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:19:27,399 INFO L85 PathProgramCache]: Analyzing trace with hash 573694352, now seen corresponding path program 1 times [2023-11-06 22:19:27,399 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:19:27,399 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1006331657] [2023-11-06 22:19:27,399 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:19:27,399 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:19:27,442 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 22:19:27,443 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [370303747] [2023-11-06 22:19:27,443 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:19:27,443 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:19:27,443 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_455f067b-a4ac-4f99-8997-e522351cac38/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:19:27,444 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_455f067b-a4ac-4f99-8997-e522351cac38/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:19:27,473 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_455f067b-a4ac-4f99-8997-e522351cac38/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2023-11-06 22:19:27,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:19:27,679 INFO L262 TraceCheckSpWp]: Trace formula consists of 369 conjuncts, 34 conjunts are in the unsatisfiable core [2023-11-06 22:19:27,686 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:19:29,457 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 479 proven. 42 refuted. 0 times theorem prover too weak. 403 trivial. 0 not checked. [2023-11-06 22:19:29,457 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-06 22:19:31,421 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 21 proven. 42 refuted. 0 times theorem prover too weak. 861 trivial. 0 not checked. [2023-11-06 22:19:31,421 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:19:31,421 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1006331657] [2023-11-06 22:19:31,422 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 22:19:31,422 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [370303747] [2023-11-06 22:19:31,422 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [370303747] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-06 22:19:31,422 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-06 22:19:31,422 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 16] total 28 [2023-11-06 22:19:31,422 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [394371836] [2023-11-06 22:19:31,423 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-06 22:19:31,423 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2023-11-06 22:19:31,423 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:19:31,425 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2023-11-06 22:19:31,425 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=208, Invalid=548, Unknown=0, NotChecked=0, Total=756 [2023-11-06 22:19:31,425 INFO L87 Difference]: Start difference. First operand 407 states and 625 transitions. Second operand has 28 states, 27 states have (on average 3.2222222222222223) internal successors, (87), 28 states have internal predecessors, (87), 7 states have call successors, (44), 4 states have call predecessors, (44), 6 states have return successors, (44), 7 states have call predecessors, (44), 7 states have call successors, (44) [2023-11-06 22:19:45,340 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:19:45,341 INFO L93 Difference]: Finished difference Result 2954 states and 4372 transitions. [2023-11-06 22:19:45,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 156 states. [2023-11-06 22:19:45,341 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 27 states have (on average 3.2222222222222223) internal successors, (87), 28 states have internal predecessors, (87), 7 states have call successors, (44), 4 states have call predecessors, (44), 6 states have return successors, (44), 7 states have call predecessors, (44), 7 states have call successors, (44) Word has length 147 [2023-11-06 22:19:45,342 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:19:45,364 INFO L225 Difference]: With dead ends: 2954 [2023-11-06 22:19:45,364 INFO L226 Difference]: Without dead ends: 2550 [2023-11-06 22:19:45,378 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 450 GetRequests, 278 SyntacticMatches, 0 SemanticMatches, 172 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12913 ImplicationChecksByTransitivity, 10.1s TimeCoverageRelationStatistics Valid=5996, Invalid=24106, Unknown=0, NotChecked=0, Total=30102 [2023-11-06 22:19:45,379 INFO L413 NwaCegarLoop]: 181 mSDtfsCounter, 2048 mSDsluCounter, 1922 mSDsCounter, 0 mSdLazyCounter, 3159 mSolverCounterSat, 440 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2066 SdHoareTripleChecker+Valid, 2103 SdHoareTripleChecker+Invalid, 3599 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 440 IncrementalHoareTripleChecker+Valid, 3159 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.0s IncrementalHoareTripleChecker+Time [2023-11-06 22:19:45,379 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2066 Valid, 2103 Invalid, 3599 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [440 Valid, 3159 Invalid, 0 Unknown, 0 Unchecked, 4.0s Time] [2023-11-06 22:19:45,383 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2550 states. [2023-11-06 22:19:45,536 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2550 to 908. [2023-11-06 22:19:45,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 908 states, 774 states have (on average 1.4935400516795865) internal successors, (1156), 784 states have internal predecessors, (1156), 116 states have call successors, (116), 17 states have call predecessors, (116), 17 states have return successors, (116), 106 states have call predecessors, (116), 116 states have call successors, (116) [2023-11-06 22:19:45,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 908 states to 908 states and 1388 transitions. [2023-11-06 22:19:45,545 INFO L78 Accepts]: Start accepts. Automaton has 908 states and 1388 transitions. Word has length 147 [2023-11-06 22:19:45,545 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:19:45,545 INFO L495 AbstractCegarLoop]: Abstraction has 908 states and 1388 transitions. [2023-11-06 22:19:45,546 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 27 states have (on average 3.2222222222222223) internal successors, (87), 28 states have internal predecessors, (87), 7 states have call successors, (44), 4 states have call predecessors, (44), 6 states have return successors, (44), 7 states have call predecessors, (44), 7 states have call successors, (44) [2023-11-06 22:19:45,546 INFO L276 IsEmpty]: Start isEmpty. Operand 908 states and 1388 transitions. [2023-11-06 22:19:45,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2023-11-06 22:19:45,548 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:19:45,549 INFO L195 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:19:45,587 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_455f067b-a4ac-4f99-8997-e522351cac38/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2023-11-06 22:19:45,781 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_455f067b-a4ac-4f99-8997-e522351cac38/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2023-11-06 22:19:45,781 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:19:45,782 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:19:45,782 INFO L85 PathProgramCache]: Analyzing trace with hash 609365589, now seen corresponding path program 1 times [2023-11-06 22:19:45,782 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:19:45,782 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [624981325] [2023-11-06 22:19:45,782 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:19:45,782 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:19:45,826 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 22:19:45,827 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1201761500] [2023-11-06 22:19:45,827 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:19:45,827 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:19:45,827 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_455f067b-a4ac-4f99-8997-e522351cac38/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:19:45,829 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_455f067b-a4ac-4f99-8997-e522351cac38/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:19:45,867 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_455f067b-a4ac-4f99-8997-e522351cac38/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2023-11-06 22:19:46,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:19:46,034 INFO L262 TraceCheckSpWp]: Trace formula consists of 375 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-06 22:19:46,039 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:19:46,267 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2023-11-06 22:19:46,267 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:19:46,267 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:19:46,267 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [624981325] [2023-11-06 22:19:46,267 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 22:19:46,267 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1201761500] [2023-11-06 22:19:46,268 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1201761500] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:19:46,268 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:19:46,268 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-06 22:19:46,268 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2134541095] [2023-11-06 22:19:46,268 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:19:46,269 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-06 22:19:46,269 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:19:46,270 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-06 22:19:46,270 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-06 22:19:46,270 INFO L87 Difference]: Start difference. First operand 908 states and 1388 transitions. Second operand has 5 states, 5 states have (on average 8.2) internal successors, (41), 4 states have internal predecessors, (41), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2023-11-06 22:19:46,680 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:19:46,680 INFO L93 Difference]: Finished difference Result 2616 states and 3953 transitions. [2023-11-06 22:19:46,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-06 22:19:46,681 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.2) internal successors, (41), 4 states have internal predecessors, (41), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 148 [2023-11-06 22:19:46,681 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:19:46,695 INFO L225 Difference]: With dead ends: 2616 [2023-11-06 22:19:46,695 INFO L226 Difference]: Without dead ends: 1711 [2023-11-06 22:19:46,698 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 150 GetRequests, 144 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-11-06 22:19:46,699 INFO L413 NwaCegarLoop]: 131 mSDtfsCounter, 128 mSDsluCounter, 322 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 45 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 128 SdHoareTripleChecker+Valid, 453 SdHoareTripleChecker+Invalid, 66 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 45 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-06 22:19:46,700 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [128 Valid, 453 Invalid, 66 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [45 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-06 22:19:46,703 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1711 states. [2023-11-06 22:19:46,973 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1711 to 1474. [2023-11-06 22:19:46,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1474 states, 1217 states have (on average 1.4593262119967132) internal successors, (1776), 1232 states have internal predecessors, (1776), 222 states have call successors, (222), 34 states have call predecessors, (222), 34 states have return successors, (222), 207 states have call predecessors, (222), 222 states have call successors, (222) [2023-11-06 22:19:46,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1474 states to 1474 states and 2220 transitions. [2023-11-06 22:19:46,988 INFO L78 Accepts]: Start accepts. Automaton has 1474 states and 2220 transitions. Word has length 148 [2023-11-06 22:19:46,989 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:19:46,989 INFO L495 AbstractCegarLoop]: Abstraction has 1474 states and 2220 transitions. [2023-11-06 22:19:46,989 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.2) internal successors, (41), 4 states have internal predecessors, (41), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2023-11-06 22:19:46,990 INFO L276 IsEmpty]: Start isEmpty. Operand 1474 states and 2220 transitions. [2023-11-06 22:19:46,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2023-11-06 22:19:46,993 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:19:46,993 INFO L195 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:19:47,008 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_455f067b-a4ac-4f99-8997-e522351cac38/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2023-11-06 22:19:47,201 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_455f067b-a4ac-4f99-8997-e522351cac38/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:19:47,201 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:19:47,201 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:19:47,202 INFO L85 PathProgramCache]: Analyzing trace with hash 1452971115, now seen corresponding path program 1 times [2023-11-06 22:19:47,202 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:19:47,202 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1050072250] [2023-11-06 22:19:47,202 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:19:47,202 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:19:47,237 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 22:19:47,237 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [583003466] [2023-11-06 22:19:47,238 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:19:47,238 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:19:47,238 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_455f067b-a4ac-4f99-8997-e522351cac38/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:19:47,239 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_455f067b-a4ac-4f99-8997-e522351cac38/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:19:47,243 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_455f067b-a4ac-4f99-8997-e522351cac38/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2023-11-06 22:19:47,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:19:47,427 INFO L262 TraceCheckSpWp]: Trace formula consists of 374 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-06 22:19:47,433 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:19:47,629 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 301 proven. 51 refuted. 0 times theorem prover too weak. 572 trivial. 0 not checked. [2023-11-06 22:19:47,630 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-06 22:19:47,874 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 12 proven. 51 refuted. 0 times theorem prover too weak. 861 trivial. 0 not checked. [2023-11-06 22:19:47,874 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:19:47,874 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1050072250] [2023-11-06 22:19:47,874 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 22:19:47,874 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [583003466] [2023-11-06 22:19:47,875 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [583003466] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-06 22:19:47,875 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-06 22:19:47,875 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 11 [2023-11-06 22:19:47,875 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1400310862] [2023-11-06 22:19:47,875 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-06 22:19:47,876 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-11-06 22:19:47,876 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:19:47,877 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-11-06 22:19:47,878 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2023-11-06 22:19:47,878 INFO L87 Difference]: Start difference. First operand 1474 states and 2220 transitions. Second operand has 11 states, 11 states have (on average 5.0) internal successors, (55), 11 states have internal predecessors, (55), 2 states have call successors, (39), 2 states have call predecessors, (39), 4 states have return successors, (40), 2 states have call predecessors, (40), 2 states have call successors, (40) [2023-11-06 22:19:49,004 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:19:49,004 INFO L93 Difference]: Finished difference Result 3794 states and 5542 transitions. [2023-11-06 22:19:49,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2023-11-06 22:19:49,005 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 5.0) internal successors, (55), 11 states have internal predecessors, (55), 2 states have call successors, (39), 2 states have call predecessors, (39), 4 states have return successors, (40), 2 states have call predecessors, (40), 2 states have call successors, (40) Word has length 149 [2023-11-06 22:19:49,006 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:19:49,021 INFO L225 Difference]: With dead ends: 3794 [2023-11-06 22:19:49,021 INFO L226 Difference]: Without dead ends: 2327 [2023-11-06 22:19:49,026 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 318 GetRequests, 289 SyntacticMatches, 1 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 147 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=275, Invalid=595, Unknown=0, NotChecked=0, Total=870 [2023-11-06 22:19:49,026 INFO L413 NwaCegarLoop]: 116 mSDtfsCounter, 395 mSDsluCounter, 296 mSDsCounter, 0 mSdLazyCounter, 349 mSolverCounterSat, 43 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 401 SdHoareTripleChecker+Valid, 412 SdHoareTripleChecker+Invalid, 392 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 43 IncrementalHoareTripleChecker+Valid, 349 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-11-06 22:19:49,028 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [401 Valid, 412 Invalid, 392 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [43 Valid, 349 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-11-06 22:19:49,031 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2327 states. [2023-11-06 22:19:49,289 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2327 to 1671. [2023-11-06 22:19:49,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1671 states, 1410 states have (on average 1.44822695035461) internal successors, (2042), 1423 states have internal predecessors, (2042), 218 states have call successors, (218), 42 states have call predecessors, (218), 42 states have return successors, (218), 205 states have call predecessors, (218), 218 states have call successors, (218) [2023-11-06 22:19:49,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1671 states to 1671 states and 2478 transitions. [2023-11-06 22:19:49,303 INFO L78 Accepts]: Start accepts. Automaton has 1671 states and 2478 transitions. Word has length 149 [2023-11-06 22:19:49,304 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:19:49,304 INFO L495 AbstractCegarLoop]: Abstraction has 1671 states and 2478 transitions. [2023-11-06 22:19:49,304 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 5.0) internal successors, (55), 11 states have internal predecessors, (55), 2 states have call successors, (39), 2 states have call predecessors, (39), 4 states have return successors, (40), 2 states have call predecessors, (40), 2 states have call successors, (40) [2023-11-06 22:19:49,304 INFO L276 IsEmpty]: Start isEmpty. Operand 1671 states and 2478 transitions. [2023-11-06 22:19:49,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2023-11-06 22:19:49,308 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:19:49,309 INFO L195 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:19:49,320 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_455f067b-a4ac-4f99-8997-e522351cac38/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2023-11-06 22:19:49,516 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_455f067b-a4ac-4f99-8997-e522351cac38/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:19:49,516 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:19:49,517 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:19:49,517 INFO L85 PathProgramCache]: Analyzing trace with hash -959583639, now seen corresponding path program 1 times [2023-11-06 22:19:49,517 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:19:49,517 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1999988351] [2023-11-06 22:19:49,517 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:19:49,517 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:19:49,545 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 22:19:49,545 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1163547081] [2023-11-06 22:19:49,545 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:19:49,545 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:19:49,545 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_455f067b-a4ac-4f99-8997-e522351cac38/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:19:49,546 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_455f067b-a4ac-4f99-8997-e522351cac38/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:19:49,559 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_455f067b-a4ac-4f99-8997-e522351cac38/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2023-11-06 22:19:49,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:19:49,743 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-06 22:19:49,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:19:49,931 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-06 22:19:49,931 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-06 22:19:49,932 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-06 22:19:49,947 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_455f067b-a4ac-4f99-8997-e522351cac38/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2023-11-06 22:19:50,142 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_455f067b-a4ac-4f99-8997-e522351cac38/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:19:50,145 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:19:50,149 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-06 22:19:50,301 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.11 10:19:50 BoogieIcfgContainer [2023-11-06 22:19:50,301 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-06 22:19:50,301 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-06 22:19:50,302 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-06 22:19:50,302 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-06 22:19:50,302 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:19:14" (3/4) ... [2023-11-06 22:19:50,305 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-06 22:19:50,306 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-06 22:19:50,307 INFO L158 Benchmark]: Toolchain (without parser) took 37409.61ms. Allocated memory was 167.8MB in the beginning and 352.3MB in the end (delta: 184.5MB). Free memory was 138.2MB in the beginning and 286.4MB in the end (delta: -148.2MB). Peak memory consumption was 35.0MB. Max. memory is 16.1GB. [2023-11-06 22:19:50,312 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 121.6MB. Free memory is still 95.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 22:19:50,312 INFO L158 Benchmark]: CACSL2BoogieTranslator took 414.59ms. Allocated memory is still 167.8MB. Free memory was 138.2MB in the beginning and 124.3MB in the end (delta: 14.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-06 22:19:50,313 INFO L158 Benchmark]: Boogie Procedure Inliner took 78.14ms. Allocated memory is still 167.8MB. Free memory was 124.3MB in the beginning and 121.4MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-06 22:19:50,313 INFO L158 Benchmark]: Boogie Preprocessor took 51.99ms. Allocated memory is still 167.8MB. Free memory was 121.4MB in the beginning and 119.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-06 22:19:50,314 INFO L158 Benchmark]: RCFGBuilder took 665.73ms. Allocated memory is still 167.8MB. Free memory was 119.3MB in the beginning and 128.2MB in the end (delta: -8.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-06 22:19:50,314 INFO L158 Benchmark]: TraceAbstraction took 36182.26ms. Allocated memory was 167.8MB in the beginning and 352.3MB in the end (delta: 184.5MB). Free memory was 127.0MB in the beginning and 286.4MB in the end (delta: -159.4MB). Peak memory consumption was 204.3MB. Max. memory is 16.1GB. [2023-11-06 22:19:50,315 INFO L158 Benchmark]: Witness Printer took 4.59ms. Allocated memory is still 352.3MB. Free memory is still 286.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 22:19:50,317 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 121.6MB. Free memory is still 95.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 414.59ms. Allocated memory is still 167.8MB. Free memory was 138.2MB in the beginning and 124.3MB in the end (delta: 14.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 78.14ms. Allocated memory is still 167.8MB. Free memory was 124.3MB in the beginning and 121.4MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 51.99ms. Allocated memory is still 167.8MB. Free memory was 121.4MB in the beginning and 119.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 665.73ms. Allocated memory is still 167.8MB. Free memory was 119.3MB in the beginning and 128.2MB in the end (delta: -8.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 36182.26ms. Allocated memory was 167.8MB in the beginning and 352.3MB in the end (delta: 184.5MB). Free memory was 127.0MB in the beginning and 286.4MB in the end (delta: -159.4MB). Peak memory consumption was 204.3MB. Max. memory is 16.1GB. * Witness Printer took 4.59ms. Allocated memory is still 352.3MB. Free memory is still 286.4MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 139, overapproximation of someBinaryDOUBLEComparisonOperation at line 139, overapproximation of someUnaryFLOAToperation at line 92, overapproximation of someBinaryArithmeticFLOAToperation at line 92. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed short int var_1_1 = -50; [L23] unsigned char var_1_4 = 0; [L24] signed short int var_1_5 = 8; [L25] signed short int var_1_6 = 64; [L26] unsigned short int var_1_7 = 8; [L27] unsigned short int var_1_8 = 256; [L28] signed long int var_1_9 = 2; [L29] signed long int var_1_10 = 1441729073; [L30] unsigned short int var_1_11 = 32; [L31] double var_1_12 = 7.6; [L32] double var_1_13 = 127.8; [L33] signed char var_1_14 = 32; [L34] signed char var_1_15 = 50; [L35] signed char var_1_16 = 0; [L36] signed char var_1_17 = 16; [L37] float var_1_18 = 0.4; [L38] unsigned char var_1_19 = 0; [L39] float var_1_20 = 24.4; [L40] float var_1_21 = 500.5; [L41] float var_1_22 = 99.324; [L42] unsigned short int var_1_23 = 128; [L43] unsigned short int last_1_var_1_7 = 8; [L44] unsigned short int last_1_var_1_11 = 32; [L45] signed char last_1_var_1_14 = 32; [L46] unsigned short int last_1_var_1_23 = 128; VAL [isInitial=0, last_1_var_1_11=32, last_1_var_1_14=32, last_1_var_1_23=128, last_1_var_1_7=8, var_1_10=1441729073, var_1_11=32, var_1_12=38/5, var_1_13=639/5, var_1_14=32, var_1_15=50, var_1_16=0, var_1_17=16, var_1_18=2/5, var_1_19=0, var_1_1=-50, var_1_20=122/5, var_1_21=1001/2, var_1_22=24831/250, var_1_23=128, var_1_4=0, var_1_5=8, var_1_6=64, var_1_7=8, var_1_8=256, var_1_9=2] [L143] isInitial = 1 [L144] FCALL initially() [L145] COND TRUE 1 [L146] CALL updateLastVariables() [L133] last_1_var_1_7 = var_1_7 [L134] last_1_var_1_11 = var_1_11 [L135] last_1_var_1_14 = var_1_14 [L136] last_1_var_1_23 = var_1_23 VAL [isInitial=1, last_1_var_1_11=32, last_1_var_1_14=32, last_1_var_1_23=128, last_1_var_1_7=8, var_1_10=1441729073, var_1_11=32, var_1_12=38/5, var_1_13=639/5, var_1_14=32, var_1_15=50, var_1_16=0, var_1_17=16, var_1_18=2/5, var_1_19=0, var_1_1=-50, var_1_20=122/5, var_1_21=1001/2, var_1_22=24831/250, var_1_23=128, var_1_4=0, var_1_5=8, var_1_6=64, var_1_7=8, var_1_8=256, var_1_9=2] [L146] RET updateLastVariables() [L147] CALL updateVariables() [L96] var_1_4 = __VERIFIER_nondet_uchar() [L97] CALL assume_abort_if_not(var_1_4 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=32, last_1_var_1_14=32, last_1_var_1_23=128, last_1_var_1_7=8, var_1_10=1441729073, var_1_11=32, var_1_12=38/5, var_1_13=639/5, var_1_14=32, var_1_15=50, var_1_16=0, var_1_17=16, var_1_18=2/5, var_1_19=0, var_1_1=-50, var_1_20=122/5, var_1_21=1001/2, var_1_22=24831/250, var_1_23=128, var_1_5=8, var_1_6=64, var_1_7=8, var_1_8=256, var_1_9=2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_11=32, last_1_var_1_14=32, last_1_var_1_23=128, last_1_var_1_7=8, var_1_10=1441729073, var_1_11=32, var_1_12=38/5, var_1_13=639/5, var_1_14=32, var_1_15=50, var_1_16=0, var_1_17=16, var_1_18=2/5, var_1_19=0, var_1_1=-50, var_1_20=122/5, var_1_21=1001/2, var_1_22=24831/250, var_1_23=128, var_1_5=8, var_1_6=64, var_1_7=8, var_1_8=256, var_1_9=2] [L97] RET assume_abort_if_not(var_1_4 >= 0) VAL [isInitial=1, last_1_var_1_11=32, last_1_var_1_14=32, last_1_var_1_23=128, last_1_var_1_7=8, var_1_10=1441729073, var_1_11=32, var_1_12=38/5, var_1_13=639/5, var_1_14=32, var_1_15=50, var_1_16=0, var_1_17=16, var_1_18=2/5, var_1_19=0, var_1_1=-50, var_1_20=122/5, var_1_21=1001/2, var_1_22=24831/250, var_1_23=128, var_1_5=8, var_1_6=64, var_1_7=8, var_1_8=256, var_1_9=2] [L98] CALL assume_abort_if_not(var_1_4 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=32, last_1_var_1_14=32, last_1_var_1_23=128, last_1_var_1_7=8, var_1_10=1441729073, var_1_11=32, var_1_12=38/5, var_1_13=639/5, var_1_14=32, var_1_15=50, var_1_16=0, var_1_17=16, var_1_18=2/5, var_1_19=0, var_1_1=-50, var_1_20=122/5, var_1_21=1001/2, var_1_22=24831/250, var_1_23=128, var_1_4=0, var_1_5=8, var_1_6=64, var_1_7=8, var_1_8=256, var_1_9=2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_11=32, last_1_var_1_14=32, last_1_var_1_23=128, last_1_var_1_7=8, var_1_10=1441729073, var_1_11=32, var_1_12=38/5, var_1_13=639/5, var_1_14=32, var_1_15=50, var_1_16=0, var_1_17=16, var_1_18=2/5, var_1_19=0, var_1_1=-50, var_1_20=122/5, var_1_21=1001/2, var_1_22=24831/250, var_1_23=128, var_1_4=0, var_1_5=8, var_1_6=64, var_1_7=8, var_1_8=256, var_1_9=2] [L98] RET assume_abort_if_not(var_1_4 <= 1) VAL [isInitial=1, last_1_var_1_11=32, last_1_var_1_14=32, last_1_var_1_23=128, last_1_var_1_7=8, var_1_10=1441729073, var_1_11=32, var_1_12=38/5, var_1_13=639/5, var_1_14=32, var_1_15=50, var_1_16=0, var_1_17=16, var_1_18=2/5, var_1_19=0, var_1_1=-50, var_1_20=122/5, var_1_21=1001/2, var_1_22=24831/250, var_1_23=128, var_1_4=0, var_1_5=8, var_1_6=64, var_1_7=8, var_1_8=256, var_1_9=2] [L99] var_1_5 = __VERIFIER_nondet_short() [L100] CALL assume_abort_if_not(var_1_5 >= -1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=32, last_1_var_1_14=32, last_1_var_1_23=128, last_1_var_1_7=8, var_1_10=1441729073, var_1_11=32, var_1_12=38/5, var_1_13=639/5, var_1_14=32, var_1_15=50, var_1_16=0, var_1_17=16, var_1_18=2/5, var_1_19=0, var_1_1=-50, var_1_20=122/5, var_1_21=1001/2, var_1_22=24831/250, var_1_23=128, var_1_4=0, var_1_5=0, var_1_6=64, var_1_7=8, var_1_8=256, var_1_9=2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_11=32, last_1_var_1_14=32, last_1_var_1_23=128, last_1_var_1_7=8, var_1_10=1441729073, var_1_11=32, var_1_12=38/5, var_1_13=639/5, var_1_14=32, var_1_15=50, var_1_16=0, var_1_17=16, var_1_18=2/5, var_1_19=0, var_1_1=-50, var_1_20=122/5, var_1_21=1001/2, var_1_22=24831/250, var_1_23=128, var_1_4=0, var_1_5=0, var_1_6=64, var_1_7=8, var_1_8=256, var_1_9=2] [L100] RET assume_abort_if_not(var_1_5 >= -1) VAL [isInitial=1, last_1_var_1_11=32, last_1_var_1_14=32, last_1_var_1_23=128, last_1_var_1_7=8, var_1_10=1441729073, var_1_11=32, var_1_12=38/5, var_1_13=639/5, var_1_14=32, var_1_15=50, var_1_16=0, var_1_17=16, var_1_18=2/5, var_1_19=0, var_1_1=-50, var_1_20=122/5, var_1_21=1001/2, var_1_22=24831/250, var_1_23=128, var_1_4=0, var_1_5=0, var_1_6=64, var_1_7=8, var_1_8=256, var_1_9=2] [L101] CALL assume_abort_if_not(var_1_5 <= 32766) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=32, last_1_var_1_14=32, last_1_var_1_23=128, last_1_var_1_7=8, var_1_10=1441729073, var_1_11=32, var_1_12=38/5, var_1_13=639/5, var_1_14=32, var_1_15=50, var_1_16=0, var_1_17=16, var_1_18=2/5, var_1_19=0, var_1_1=-50, var_1_20=122/5, var_1_21=1001/2, var_1_22=24831/250, var_1_23=128, var_1_4=0, var_1_5=0, var_1_6=64, var_1_7=8, var_1_8=256, var_1_9=2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_11=32, last_1_var_1_14=32, last_1_var_1_23=128, last_1_var_1_7=8, var_1_10=1441729073, var_1_11=32, var_1_12=38/5, var_1_13=639/5, var_1_14=32, var_1_15=50, var_1_16=0, var_1_17=16, var_1_18=2/5, var_1_19=0, var_1_1=-50, var_1_20=122/5, var_1_21=1001/2, var_1_22=24831/250, var_1_23=128, var_1_4=0, var_1_5=0, var_1_6=64, var_1_7=8, var_1_8=256, var_1_9=2] [L101] RET assume_abort_if_not(var_1_5 <= 32766) VAL [isInitial=1, last_1_var_1_11=32, last_1_var_1_14=32, last_1_var_1_23=128, last_1_var_1_7=8, var_1_10=1441729073, var_1_11=32, var_1_12=38/5, var_1_13=639/5, var_1_14=32, var_1_15=50, var_1_16=0, var_1_17=16, var_1_18=2/5, var_1_19=0, var_1_1=-50, var_1_20=122/5, var_1_21=1001/2, var_1_22=24831/250, var_1_23=128, var_1_4=0, var_1_5=0, var_1_6=64, var_1_7=8, var_1_8=256, var_1_9=2] [L102] var_1_6 = __VERIFIER_nondet_short() [L103] CALL assume_abort_if_not(var_1_6 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=32, last_1_var_1_14=32, last_1_var_1_23=128, last_1_var_1_7=8, var_1_10=1441729073, var_1_11=32, var_1_12=38/5, var_1_13=639/5, var_1_14=32, var_1_15=50, var_1_16=0, var_1_17=16, var_1_18=2/5, var_1_19=0, var_1_1=-50, var_1_20=122/5, var_1_21=1001/2, var_1_22=24831/250, var_1_23=128, var_1_4=0, var_1_5=0, var_1_6=129, var_1_7=8, var_1_8=256, var_1_9=2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_11=32, last_1_var_1_14=32, last_1_var_1_23=128, last_1_var_1_7=8, var_1_10=1441729073, var_1_11=32, var_1_12=38/5, var_1_13=639/5, var_1_14=32, var_1_15=50, var_1_16=0, var_1_17=16, var_1_18=2/5, var_1_19=0, var_1_1=-50, var_1_20=122/5, var_1_21=1001/2, var_1_22=24831/250, var_1_23=128, var_1_4=0, var_1_5=0, var_1_6=129, var_1_7=8, var_1_8=256, var_1_9=2] [L103] RET assume_abort_if_not(var_1_6 >= 0) VAL [isInitial=1, last_1_var_1_11=32, last_1_var_1_14=32, last_1_var_1_23=128, last_1_var_1_7=8, var_1_10=1441729073, var_1_11=32, var_1_12=38/5, var_1_13=639/5, var_1_14=32, var_1_15=50, var_1_16=0, var_1_17=16, var_1_18=2/5, var_1_19=0, var_1_1=-50, var_1_20=122/5, var_1_21=1001/2, var_1_22=24831/250, var_1_23=128, var_1_4=0, var_1_5=0, var_1_6=129, var_1_7=8, var_1_8=256, var_1_9=2] [L104] CALL assume_abort_if_not(var_1_6 <= 32766) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=32, last_1_var_1_14=32, last_1_var_1_23=128, last_1_var_1_7=8, var_1_10=1441729073, var_1_11=32, var_1_12=38/5, var_1_13=639/5, var_1_14=32, var_1_15=50, var_1_16=0, var_1_17=16, var_1_18=2/5, var_1_19=0, var_1_1=-50, var_1_20=122/5, var_1_21=1001/2, var_1_22=24831/250, var_1_23=128, var_1_4=0, var_1_5=0, var_1_6=129, var_1_7=8, var_1_8=256, var_1_9=2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_11=32, last_1_var_1_14=32, last_1_var_1_23=128, last_1_var_1_7=8, var_1_10=1441729073, var_1_11=32, var_1_12=38/5, var_1_13=639/5, var_1_14=32, var_1_15=50, var_1_16=0, var_1_17=16, var_1_18=2/5, var_1_19=0, var_1_1=-50, var_1_20=122/5, var_1_21=1001/2, var_1_22=24831/250, var_1_23=128, var_1_4=0, var_1_5=0, var_1_6=129, var_1_7=8, var_1_8=256, var_1_9=2] [L104] RET assume_abort_if_not(var_1_6 <= 32766) VAL [isInitial=1, last_1_var_1_11=32, last_1_var_1_14=32, last_1_var_1_23=128, last_1_var_1_7=8, var_1_10=1441729073, var_1_11=32, var_1_12=38/5, var_1_13=639/5, var_1_14=32, var_1_15=50, var_1_16=0, var_1_17=16, var_1_18=2/5, var_1_19=0, var_1_1=-50, var_1_20=122/5, var_1_21=1001/2, var_1_22=24831/250, var_1_23=128, var_1_4=0, var_1_5=0, var_1_6=129, var_1_7=8, var_1_8=256, var_1_9=2] [L105] var_1_8 = __VERIFIER_nondet_ushort() [L106] CALL assume_abort_if_not(var_1_8 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=32, last_1_var_1_14=32, last_1_var_1_23=128, last_1_var_1_7=8, var_1_10=1441729073, var_1_11=32, var_1_12=38/5, var_1_13=639/5, var_1_14=32, var_1_15=50, var_1_16=0, var_1_17=16, var_1_18=2/5, var_1_19=0, var_1_1=-50, var_1_20=122/5, var_1_21=1001/2, var_1_22=24831/250, var_1_23=128, var_1_4=0, var_1_5=0, var_1_6=129, var_1_7=8, var_1_8=32, var_1_9=2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_11=32, last_1_var_1_14=32, last_1_var_1_23=128, last_1_var_1_7=8, var_1_10=1441729073, var_1_11=32, var_1_12=38/5, var_1_13=639/5, var_1_14=32, var_1_15=50, var_1_16=0, var_1_17=16, var_1_18=2/5, var_1_19=0, var_1_1=-50, var_1_20=122/5, var_1_21=1001/2, var_1_22=24831/250, var_1_23=128, var_1_4=0, var_1_5=0, var_1_6=129, var_1_7=8, var_1_8=32, var_1_9=2] [L106] RET assume_abort_if_not(var_1_8 >= 0) VAL [isInitial=1, last_1_var_1_11=32, last_1_var_1_14=32, last_1_var_1_23=128, last_1_var_1_7=8, var_1_10=1441729073, var_1_11=32, var_1_12=38/5, var_1_13=639/5, var_1_14=32, var_1_15=50, var_1_16=0, var_1_17=16, var_1_18=2/5, var_1_19=0, var_1_1=-50, var_1_20=122/5, var_1_21=1001/2, var_1_22=24831/250, var_1_23=128, var_1_4=0, var_1_5=0, var_1_6=129, var_1_7=8, var_1_8=32, var_1_9=2] [L107] CALL assume_abort_if_not(var_1_8 <= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=32, last_1_var_1_14=32, last_1_var_1_23=128, last_1_var_1_7=8, var_1_10=1441729073, var_1_11=32, var_1_12=38/5, var_1_13=639/5, var_1_14=32, var_1_15=50, var_1_16=0, var_1_17=16, var_1_18=2/5, var_1_19=0, var_1_1=-50, var_1_20=122/5, var_1_21=1001/2, var_1_22=24831/250, var_1_23=128, var_1_4=0, var_1_5=0, var_1_6=129, var_1_7=8, var_1_8=32, var_1_9=2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_11=32, last_1_var_1_14=32, last_1_var_1_23=128, last_1_var_1_7=8, var_1_10=1441729073, var_1_11=32, var_1_12=38/5, var_1_13=639/5, var_1_14=32, var_1_15=50, var_1_16=0, var_1_17=16, var_1_18=2/5, var_1_19=0, var_1_1=-50, var_1_20=122/5, var_1_21=1001/2, var_1_22=24831/250, var_1_23=128, var_1_4=0, var_1_5=0, var_1_6=129, var_1_7=8, var_1_8=32, var_1_9=2] [L107] RET assume_abort_if_not(var_1_8 <= 32767) VAL [isInitial=1, last_1_var_1_11=32, last_1_var_1_14=32, last_1_var_1_23=128, last_1_var_1_7=8, var_1_10=1441729073, var_1_11=32, var_1_12=38/5, var_1_13=639/5, var_1_14=32, var_1_15=50, var_1_16=0, var_1_17=16, var_1_18=2/5, var_1_19=0, var_1_1=-50, var_1_20=122/5, var_1_21=1001/2, var_1_22=24831/250, var_1_23=128, var_1_4=0, var_1_5=0, var_1_6=129, var_1_7=8, var_1_8=32, var_1_9=2] [L108] var_1_10 = __VERIFIER_nondet_long() [L109] CALL assume_abort_if_not(var_1_10 >= 1073741823) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=32, last_1_var_1_14=32, last_1_var_1_23=128, last_1_var_1_7=8, var_1_10=2147483646, var_1_11=32, var_1_12=38/5, var_1_13=639/5, var_1_14=32, var_1_15=50, var_1_16=0, var_1_17=16, var_1_18=2/5, var_1_19=0, var_1_1=-50, var_1_20=122/5, var_1_21=1001/2, var_1_22=24831/250, var_1_23=128, var_1_4=0, var_1_5=0, var_1_6=129, var_1_7=8, var_1_8=32, var_1_9=2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_11=32, last_1_var_1_14=32, last_1_var_1_23=128, last_1_var_1_7=8, var_1_10=2147483646, var_1_11=32, var_1_12=38/5, var_1_13=639/5, var_1_14=32, var_1_15=50, var_1_16=0, var_1_17=16, var_1_18=2/5, var_1_19=0, var_1_1=-50, var_1_20=122/5, var_1_21=1001/2, var_1_22=24831/250, var_1_23=128, var_1_4=0, var_1_5=0, var_1_6=129, var_1_7=8, var_1_8=32, var_1_9=2] [L109] RET assume_abort_if_not(var_1_10 >= 1073741823) VAL [isInitial=1, last_1_var_1_11=32, last_1_var_1_14=32, last_1_var_1_23=128, last_1_var_1_7=8, var_1_10=2147483646, var_1_11=32, var_1_12=38/5, var_1_13=639/5, var_1_14=32, var_1_15=50, var_1_16=0, var_1_17=16, var_1_18=2/5, var_1_19=0, var_1_1=-50, var_1_20=122/5, var_1_21=1001/2, var_1_22=24831/250, var_1_23=128, var_1_4=0, var_1_5=0, var_1_6=129, var_1_7=8, var_1_8=32, var_1_9=2] [L110] CALL assume_abort_if_not(var_1_10 <= 2147483646) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=32, last_1_var_1_14=32, last_1_var_1_23=128, last_1_var_1_7=8, var_1_10=2147483646, var_1_11=32, var_1_12=38/5, var_1_13=639/5, var_1_14=32, var_1_15=50, var_1_16=0, var_1_17=16, var_1_18=2/5, var_1_19=0, var_1_1=-50, var_1_20=122/5, var_1_21=1001/2, var_1_22=24831/250, var_1_23=128, var_1_4=0, var_1_5=0, var_1_6=129, var_1_7=8, var_1_8=32, var_1_9=2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_11=32, last_1_var_1_14=32, last_1_var_1_23=128, last_1_var_1_7=8, var_1_10=2147483646, var_1_11=32, var_1_12=38/5, var_1_13=639/5, var_1_14=32, var_1_15=50, var_1_16=0, var_1_17=16, var_1_18=2/5, var_1_19=0, var_1_1=-50, var_1_20=122/5, var_1_21=1001/2, var_1_22=24831/250, var_1_23=128, var_1_4=0, var_1_5=0, var_1_6=129, var_1_7=8, var_1_8=32, var_1_9=2] [L110] RET assume_abort_if_not(var_1_10 <= 2147483646) VAL [isInitial=1, last_1_var_1_11=32, last_1_var_1_14=32, last_1_var_1_23=128, last_1_var_1_7=8, var_1_10=2147483646, var_1_11=32, var_1_12=38/5, var_1_13=639/5, var_1_14=32, var_1_15=50, var_1_16=0, var_1_17=16, var_1_18=2/5, var_1_19=0, var_1_1=-50, var_1_20=122/5, var_1_21=1001/2, var_1_22=24831/250, var_1_23=128, var_1_4=0, var_1_5=0, var_1_6=129, var_1_7=8, var_1_8=32, var_1_9=2] [L111] var_1_13 = __VERIFIER_nondet_double() [L112] CALL assume_abort_if_not((var_1_13 >= 0.0F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 9223372.036854765600e+12F && var_1_13 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=32, last_1_var_1_14=32, last_1_var_1_23=128, last_1_var_1_7=8, var_1_10=2147483646, var_1_11=32, var_1_12=38/5, var_1_13=2, var_1_14=32, var_1_15=50, var_1_16=0, var_1_17=16, var_1_18=2/5, var_1_19=0, var_1_1=-50, var_1_20=122/5, var_1_21=1001/2, var_1_22=24831/250, var_1_23=128, var_1_4=0, var_1_5=0, var_1_6=129, var_1_7=8, var_1_8=32, var_1_9=2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_11=32, last_1_var_1_14=32, last_1_var_1_23=128, last_1_var_1_7=8, var_1_10=2147483646, var_1_11=32, var_1_12=38/5, var_1_13=2, var_1_14=32, var_1_15=50, var_1_16=0, var_1_17=16, var_1_18=2/5, var_1_19=0, var_1_1=-50, var_1_20=122/5, var_1_21=1001/2, var_1_22=24831/250, var_1_23=128, var_1_4=0, var_1_5=0, var_1_6=129, var_1_7=8, var_1_8=32, var_1_9=2] [L112] RET assume_abort_if_not((var_1_13 >= 0.0F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 9223372.036854765600e+12F && var_1_13 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_11=32, last_1_var_1_14=32, last_1_var_1_23=128, last_1_var_1_7=8, var_1_10=2147483646, var_1_11=32, var_1_12=38/5, var_1_13=2, var_1_14=32, var_1_15=50, var_1_16=0, var_1_17=16, var_1_18=2/5, var_1_19=0, var_1_1=-50, var_1_20=122/5, var_1_21=1001/2, var_1_22=24831/250, var_1_23=128, var_1_4=0, var_1_5=0, var_1_6=129, var_1_7=8, var_1_8=32, var_1_9=2] [L113] var_1_15 = __VERIFIER_nondet_char() [L114] CALL assume_abort_if_not(var_1_15 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=32, last_1_var_1_14=32, last_1_var_1_23=128, last_1_var_1_7=8, var_1_10=2147483646, var_1_11=32, var_1_12=38/5, var_1_13=2, var_1_14=32, var_1_15=63, var_1_16=0, var_1_17=16, var_1_18=2/5, var_1_19=0, var_1_1=-50, var_1_20=122/5, var_1_21=1001/2, var_1_22=24831/250, var_1_23=128, var_1_4=0, var_1_5=0, var_1_6=129, var_1_7=8, var_1_8=32, var_1_9=2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_11=32, last_1_var_1_14=32, last_1_var_1_23=128, last_1_var_1_7=8, var_1_10=2147483646, var_1_11=32, var_1_12=38/5, var_1_13=2, var_1_14=32, var_1_15=63, var_1_16=0, var_1_17=16, var_1_18=2/5, var_1_19=0, var_1_1=-50, var_1_20=122/5, var_1_21=1001/2, var_1_22=24831/250, var_1_23=128, var_1_4=0, var_1_5=0, var_1_6=129, var_1_7=8, var_1_8=32, var_1_9=2] [L114] RET assume_abort_if_not(var_1_15 >= 0) VAL [isInitial=1, last_1_var_1_11=32, last_1_var_1_14=32, last_1_var_1_23=128, last_1_var_1_7=8, var_1_10=2147483646, var_1_11=32, var_1_12=38/5, var_1_13=2, var_1_14=32, var_1_15=63, var_1_16=0, var_1_17=16, var_1_18=2/5, var_1_19=0, var_1_1=-50, var_1_20=122/5, var_1_21=1001/2, var_1_22=24831/250, var_1_23=128, var_1_4=0, var_1_5=0, var_1_6=129, var_1_7=8, var_1_8=32, var_1_9=2] [L115] CALL assume_abort_if_not(var_1_15 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=32, last_1_var_1_14=32, last_1_var_1_23=128, last_1_var_1_7=8, var_1_10=2147483646, var_1_11=32, var_1_12=38/5, var_1_13=2, var_1_14=32, var_1_15=63, var_1_16=0, var_1_17=16, var_1_18=2/5, var_1_19=0, var_1_1=-50, var_1_20=122/5, var_1_21=1001/2, var_1_22=24831/250, var_1_23=128, var_1_4=0, var_1_5=0, var_1_6=129, var_1_7=8, var_1_8=32, var_1_9=2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_11=32, last_1_var_1_14=32, last_1_var_1_23=128, last_1_var_1_7=8, var_1_10=2147483646, var_1_11=32, var_1_12=38/5, var_1_13=2, var_1_14=32, var_1_15=63, var_1_16=0, var_1_17=16, var_1_18=2/5, var_1_19=0, var_1_1=-50, var_1_20=122/5, var_1_21=1001/2, var_1_22=24831/250, var_1_23=128, var_1_4=0, var_1_5=0, var_1_6=129, var_1_7=8, var_1_8=32, var_1_9=2] [L115] RET assume_abort_if_not(var_1_15 <= 63) VAL [isInitial=1, last_1_var_1_11=32, last_1_var_1_14=32, last_1_var_1_23=128, last_1_var_1_7=8, var_1_10=2147483646, var_1_11=32, var_1_12=38/5, var_1_13=2, var_1_14=32, var_1_15=63, var_1_16=0, var_1_17=16, var_1_18=2/5, var_1_19=0, var_1_1=-50, var_1_20=122/5, var_1_21=1001/2, var_1_22=24831/250, var_1_23=128, var_1_4=0, var_1_5=0, var_1_6=129, var_1_7=8, var_1_8=32, var_1_9=2] [L116] var_1_16 = __VERIFIER_nondet_char() [L117] CALL assume_abort_if_not(var_1_16 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=32, last_1_var_1_14=32, last_1_var_1_23=128, last_1_var_1_7=8, var_1_10=2147483646, var_1_11=32, var_1_12=38/5, var_1_13=2, var_1_14=32, var_1_15=63, var_1_16=63, var_1_17=16, var_1_18=2/5, var_1_19=0, var_1_1=-50, var_1_20=122/5, var_1_21=1001/2, var_1_22=24831/250, var_1_23=128, var_1_4=0, var_1_5=0, var_1_6=129, var_1_7=8, var_1_8=32, var_1_9=2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_11=32, last_1_var_1_14=32, last_1_var_1_23=128, last_1_var_1_7=8, var_1_10=2147483646, var_1_11=32, var_1_12=38/5, var_1_13=2, var_1_14=32, var_1_15=63, var_1_16=63, var_1_17=16, var_1_18=2/5, var_1_19=0, var_1_1=-50, var_1_20=122/5, var_1_21=1001/2, var_1_22=24831/250, var_1_23=128, var_1_4=0, var_1_5=0, var_1_6=129, var_1_7=8, var_1_8=32, var_1_9=2] [L117] RET assume_abort_if_not(var_1_16 >= 0) VAL [isInitial=1, last_1_var_1_11=32, last_1_var_1_14=32, last_1_var_1_23=128, last_1_var_1_7=8, var_1_10=2147483646, var_1_11=32, var_1_12=38/5, var_1_13=2, var_1_14=32, var_1_15=63, var_1_16=63, var_1_17=16, var_1_18=2/5, var_1_19=0, var_1_1=-50, var_1_20=122/5, var_1_21=1001/2, var_1_22=24831/250, var_1_23=128, var_1_4=0, var_1_5=0, var_1_6=129, var_1_7=8, var_1_8=32, var_1_9=2] [L118] CALL assume_abort_if_not(var_1_16 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=32, last_1_var_1_14=32, last_1_var_1_23=128, last_1_var_1_7=8, var_1_10=2147483646, var_1_11=32, var_1_12=38/5, var_1_13=2, var_1_14=32, var_1_15=63, var_1_16=63, var_1_17=16, var_1_18=2/5, var_1_19=0, var_1_1=-50, var_1_20=122/5, var_1_21=1001/2, var_1_22=24831/250, var_1_23=128, var_1_4=0, var_1_5=0, var_1_6=129, var_1_7=8, var_1_8=32, var_1_9=2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_11=32, last_1_var_1_14=32, last_1_var_1_23=128, last_1_var_1_7=8, var_1_10=2147483646, var_1_11=32, var_1_12=38/5, var_1_13=2, var_1_14=32, var_1_15=63, var_1_16=63, var_1_17=16, var_1_18=2/5, var_1_19=0, var_1_1=-50, var_1_20=122/5, var_1_21=1001/2, var_1_22=24831/250, var_1_23=128, var_1_4=0, var_1_5=0, var_1_6=129, var_1_7=8, var_1_8=32, var_1_9=2] [L118] RET assume_abort_if_not(var_1_16 <= 63) VAL [isInitial=1, last_1_var_1_11=32, last_1_var_1_14=32, last_1_var_1_23=128, last_1_var_1_7=8, var_1_10=2147483646, var_1_11=32, var_1_12=38/5, var_1_13=2, var_1_14=32, var_1_15=63, var_1_16=63, var_1_17=16, var_1_18=2/5, var_1_19=0, var_1_1=-50, var_1_20=122/5, var_1_21=1001/2, var_1_22=24831/250, var_1_23=128, var_1_4=0, var_1_5=0, var_1_6=129, var_1_7=8, var_1_8=32, var_1_9=2] [L119] var_1_17 = __VERIFIER_nondet_char() [L120] CALL assume_abort_if_not(var_1_17 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=32, last_1_var_1_14=32, last_1_var_1_23=128, last_1_var_1_7=8, var_1_10=2147483646, var_1_11=32, var_1_12=38/5, var_1_13=2, var_1_14=32, var_1_15=63, var_1_16=63, var_1_17=61, var_1_18=2/5, var_1_19=0, var_1_1=-50, var_1_20=122/5, var_1_21=1001/2, var_1_22=24831/250, var_1_23=128, var_1_4=0, var_1_5=0, var_1_6=129, var_1_7=8, var_1_8=32, var_1_9=2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_11=32, last_1_var_1_14=32, last_1_var_1_23=128, last_1_var_1_7=8, var_1_10=2147483646, var_1_11=32, var_1_12=38/5, var_1_13=2, var_1_14=32, var_1_15=63, var_1_16=63, var_1_17=61, var_1_18=2/5, var_1_19=0, var_1_1=-50, var_1_20=122/5, var_1_21=1001/2, var_1_22=24831/250, var_1_23=128, var_1_4=0, var_1_5=0, var_1_6=129, var_1_7=8, var_1_8=32, var_1_9=2] [L120] RET assume_abort_if_not(var_1_17 >= 0) VAL [isInitial=1, last_1_var_1_11=32, last_1_var_1_14=32, last_1_var_1_23=128, last_1_var_1_7=8, var_1_10=2147483646, var_1_11=32, var_1_12=38/5, var_1_13=2, var_1_14=32, var_1_15=63, var_1_16=63, var_1_17=61, var_1_18=2/5, var_1_19=0, var_1_1=-50, var_1_20=122/5, var_1_21=1001/2, var_1_22=24831/250, var_1_23=128, var_1_4=0, var_1_5=0, var_1_6=129, var_1_7=8, var_1_8=32, var_1_9=2] [L121] CALL assume_abort_if_not(var_1_17 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=32, last_1_var_1_14=32, last_1_var_1_23=128, last_1_var_1_7=8, var_1_10=2147483646, var_1_11=32, var_1_12=38/5, var_1_13=2, var_1_14=32, var_1_15=63, var_1_16=63, var_1_17=61, var_1_18=2/5, var_1_19=0, var_1_1=-50, var_1_20=122/5, var_1_21=1001/2, var_1_22=24831/250, var_1_23=128, var_1_4=0, var_1_5=0, var_1_6=129, var_1_7=8, var_1_8=32, var_1_9=2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_11=32, last_1_var_1_14=32, last_1_var_1_23=128, last_1_var_1_7=8, var_1_10=2147483646, var_1_11=32, var_1_12=38/5, var_1_13=2, var_1_14=32, var_1_15=63, var_1_16=63, var_1_17=61, var_1_18=2/5, var_1_19=0, var_1_1=-50, var_1_20=122/5, var_1_21=1001/2, var_1_22=24831/250, var_1_23=128, var_1_4=0, var_1_5=0, var_1_6=129, var_1_7=8, var_1_8=32, var_1_9=2] [L121] RET assume_abort_if_not(var_1_17 <= 63) VAL [isInitial=1, last_1_var_1_11=32, last_1_var_1_14=32, last_1_var_1_23=128, last_1_var_1_7=8, var_1_10=2147483646, var_1_11=32, var_1_12=38/5, var_1_13=2, var_1_14=32, var_1_15=63, var_1_16=63, var_1_17=61, var_1_18=2/5, var_1_19=0, var_1_1=-50, var_1_20=122/5, var_1_21=1001/2, var_1_22=24831/250, var_1_23=128, var_1_4=0, var_1_5=0, var_1_6=129, var_1_7=8, var_1_8=32, var_1_9=2] [L122] var_1_19 = __VERIFIER_nondet_uchar() [L123] CALL assume_abort_if_not(var_1_19 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=32, last_1_var_1_14=32, last_1_var_1_23=128, last_1_var_1_7=8, var_1_10=2147483646, var_1_11=32, var_1_12=38/5, var_1_13=2, var_1_14=32, var_1_15=63, var_1_16=63, var_1_17=61, var_1_18=2/5, var_1_19=1, var_1_1=-50, var_1_20=122/5, var_1_21=1001/2, var_1_22=24831/250, var_1_23=128, var_1_4=0, var_1_5=0, var_1_6=129, var_1_7=8, var_1_8=32, var_1_9=2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_11=32, last_1_var_1_14=32, last_1_var_1_23=128, last_1_var_1_7=8, var_1_10=2147483646, var_1_11=32, var_1_12=38/5, var_1_13=2, var_1_14=32, var_1_15=63, var_1_16=63, var_1_17=61, var_1_18=2/5, var_1_19=1, var_1_1=-50, var_1_20=122/5, var_1_21=1001/2, var_1_22=24831/250, var_1_23=128, var_1_4=0, var_1_5=0, var_1_6=129, var_1_7=8, var_1_8=32, var_1_9=2] [L123] RET assume_abort_if_not(var_1_19 >= 0) VAL [isInitial=1, last_1_var_1_11=32, last_1_var_1_14=32, last_1_var_1_23=128, last_1_var_1_7=8, var_1_10=2147483646, var_1_11=32, var_1_12=38/5, var_1_13=2, var_1_14=32, var_1_15=63, var_1_16=63, var_1_17=61, var_1_18=2/5, var_1_19=1, var_1_1=-50, var_1_20=122/5, var_1_21=1001/2, var_1_22=24831/250, var_1_23=128, var_1_4=0, var_1_5=0, var_1_6=129, var_1_7=8, var_1_8=32, var_1_9=2] [L124] CALL assume_abort_if_not(var_1_19 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=32, last_1_var_1_14=32, last_1_var_1_23=128, last_1_var_1_7=8, var_1_10=2147483646, var_1_11=32, var_1_12=38/5, var_1_13=2, var_1_14=32, var_1_15=63, var_1_16=63, var_1_17=61, var_1_18=2/5, var_1_19=1, var_1_1=-50, var_1_20=122/5, var_1_21=1001/2, var_1_22=24831/250, var_1_23=128, var_1_4=0, var_1_5=0, var_1_6=129, var_1_7=8, var_1_8=32, var_1_9=2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_11=32, last_1_var_1_14=32, last_1_var_1_23=128, last_1_var_1_7=8, var_1_10=2147483646, var_1_11=32, var_1_12=38/5, var_1_13=2, var_1_14=32, var_1_15=63, var_1_16=63, var_1_17=61, var_1_18=2/5, var_1_19=1, var_1_1=-50, var_1_20=122/5, var_1_21=1001/2, var_1_22=24831/250, var_1_23=128, var_1_4=0, var_1_5=0, var_1_6=129, var_1_7=8, var_1_8=32, var_1_9=2] [L124] RET assume_abort_if_not(var_1_19 <= 1) VAL [isInitial=1, last_1_var_1_11=32, last_1_var_1_14=32, last_1_var_1_23=128, last_1_var_1_7=8, var_1_10=2147483646, var_1_11=32, var_1_12=38/5, var_1_13=2, var_1_14=32, var_1_15=63, var_1_16=63, var_1_17=61, var_1_18=2/5, var_1_19=1, var_1_1=-50, var_1_20=122/5, var_1_21=1001/2, var_1_22=24831/250, var_1_23=128, var_1_4=0, var_1_5=0, var_1_6=129, var_1_7=8, var_1_8=32, var_1_9=2] [L125] var_1_20 = __VERIFIER_nondet_float() [L126] CALL assume_abort_if_not((var_1_20 >= -461168.6018427382800e+13F && var_1_20 <= -1.0e-20F) || (var_1_20 <= 4611686.018427382800e+12F && var_1_20 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=32, last_1_var_1_14=32, last_1_var_1_23=128, last_1_var_1_7=8, var_1_10=2147483646, var_1_11=32, var_1_12=38/5, var_1_13=2, var_1_14=32, var_1_15=63, var_1_16=63, var_1_17=61, var_1_18=2/5, var_1_19=1, var_1_1=-50, var_1_20=3, var_1_21=1001/2, var_1_22=24831/250, var_1_23=128, var_1_4=0, var_1_5=0, var_1_6=129, var_1_7=8, var_1_8=32, var_1_9=2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_11=32, last_1_var_1_14=32, last_1_var_1_23=128, last_1_var_1_7=8, var_1_10=2147483646, var_1_11=32, var_1_12=38/5, var_1_13=2, var_1_14=32, var_1_15=63, var_1_16=63, var_1_17=61, var_1_18=2/5, var_1_19=1, var_1_1=-50, var_1_20=3, var_1_21=1001/2, var_1_22=24831/250, var_1_23=128, var_1_4=0, var_1_5=0, var_1_6=129, var_1_7=8, var_1_8=32, var_1_9=2] [L126] RET assume_abort_if_not((var_1_20 >= -461168.6018427382800e+13F && var_1_20 <= -1.0e-20F) || (var_1_20 <= 4611686.018427382800e+12F && var_1_20 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_11=32, last_1_var_1_14=32, last_1_var_1_23=128, last_1_var_1_7=8, var_1_10=2147483646, var_1_11=32, var_1_12=38/5, var_1_13=2, var_1_14=32, var_1_15=63, var_1_16=63, var_1_17=61, var_1_18=2/5, var_1_19=1, var_1_1=-50, var_1_20=3, var_1_21=1001/2, var_1_22=24831/250, var_1_23=128, var_1_4=0, var_1_5=0, var_1_6=129, var_1_7=8, var_1_8=32, var_1_9=2] [L127] var_1_21 = __VERIFIER_nondet_float() [L128] CALL assume_abort_if_not((var_1_21 >= -230584.3009213691390e+13F && var_1_21 <= -1.0e-20F) || (var_1_21 <= 2305843.009213691390e+12F && var_1_21 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=32, last_1_var_1_14=32, last_1_var_1_23=128, last_1_var_1_7=8, var_1_10=2147483646, var_1_11=32, var_1_12=38/5, var_1_13=2, var_1_14=32, var_1_15=63, var_1_16=63, var_1_17=61, var_1_18=2/5, var_1_19=1, var_1_1=-50, var_1_20=3, var_1_21=4, var_1_22=24831/250, var_1_23=128, var_1_4=0, var_1_5=0, var_1_6=129, var_1_7=8, var_1_8=32, var_1_9=2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_11=32, last_1_var_1_14=32, last_1_var_1_23=128, last_1_var_1_7=8, var_1_10=2147483646, var_1_11=32, var_1_12=38/5, var_1_13=2, var_1_14=32, var_1_15=63, var_1_16=63, var_1_17=61, var_1_18=2/5, var_1_19=1, var_1_1=-50, var_1_20=3, var_1_21=4, var_1_22=24831/250, var_1_23=128, var_1_4=0, var_1_5=0, var_1_6=129, var_1_7=8, var_1_8=32, var_1_9=2] [L128] RET assume_abort_if_not((var_1_21 >= -230584.3009213691390e+13F && var_1_21 <= -1.0e-20F) || (var_1_21 <= 2305843.009213691390e+12F && var_1_21 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_11=32, last_1_var_1_14=32, last_1_var_1_23=128, last_1_var_1_7=8, var_1_10=2147483646, var_1_11=32, var_1_12=38/5, var_1_13=2, var_1_14=32, var_1_15=63, var_1_16=63, var_1_17=61, var_1_18=2/5, var_1_19=1, var_1_1=-50, var_1_20=3, var_1_21=4, var_1_22=24831/250, var_1_23=128, var_1_4=0, var_1_5=0, var_1_6=129, var_1_7=8, var_1_8=32, var_1_9=2] [L129] var_1_22 = __VERIFIER_nondet_float() [L130] CALL assume_abort_if_not((var_1_22 >= -230584.3009213691390e+13F && var_1_22 <= -1.0e-20F) || (var_1_22 <= 2305843.009213691390e+12F && var_1_22 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=32, last_1_var_1_14=32, last_1_var_1_23=128, last_1_var_1_7=8, var_1_10=2147483646, var_1_11=32, var_1_12=38/5, var_1_13=2, var_1_14=32, var_1_15=63, var_1_16=63, var_1_17=61, var_1_18=2/5, var_1_19=1, var_1_1=-50, var_1_20=3, var_1_21=4, var_1_22=5, var_1_23=128, var_1_4=0, var_1_5=0, var_1_6=129, var_1_7=8, var_1_8=32, var_1_9=2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_11=32, last_1_var_1_14=32, last_1_var_1_23=128, last_1_var_1_7=8, var_1_10=2147483646, var_1_11=32, var_1_12=38/5, var_1_13=2, var_1_14=32, var_1_15=63, var_1_16=63, var_1_17=61, var_1_18=2/5, var_1_19=1, var_1_1=-50, var_1_20=3, var_1_21=4, var_1_22=5, var_1_23=128, var_1_4=0, var_1_5=0, var_1_6=129, var_1_7=8, var_1_8=32, var_1_9=2] [L130] RET assume_abort_if_not((var_1_22 >= -230584.3009213691390e+13F && var_1_22 <= -1.0e-20F) || (var_1_22 <= 2305843.009213691390e+12F && var_1_22 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_11=32, last_1_var_1_14=32, last_1_var_1_23=128, last_1_var_1_7=8, var_1_10=2147483646, var_1_11=32, var_1_12=38/5, var_1_13=2, var_1_14=32, var_1_15=63, var_1_16=63, var_1_17=61, var_1_18=2/5, var_1_19=1, var_1_1=-50, var_1_20=3, var_1_21=4, var_1_22=5, var_1_23=128, var_1_4=0, var_1_5=0, var_1_6=129, var_1_7=8, var_1_8=32, var_1_9=2] [L147] RET updateVariables() [L148] CALL step() [L50] signed long int stepLocal_0 = last_1_var_1_11; VAL [isInitial=1, last_1_var_1_11=32, last_1_var_1_14=32, last_1_var_1_23=128, last_1_var_1_7=8, stepLocal_0=32, var_1_10=2147483646, var_1_11=32, var_1_12=38/5, var_1_13=2, var_1_14=32, var_1_15=63, var_1_16=63, var_1_17=61, var_1_18=2/5, var_1_19=1, var_1_1=-50, var_1_20=3, var_1_21=4, var_1_22=5, var_1_23=128, var_1_4=0, var_1_5=0, var_1_6=129, var_1_7=8, var_1_8=32, var_1_9=2] [L51] COND FALSE !((last_1_var_1_23 / -50) >= stepLocal_0) [L58] var_1_1 = var_1_5 VAL [isInitial=1, last_1_var_1_11=32, last_1_var_1_14=32, last_1_var_1_23=128, last_1_var_1_7=8, stepLocal_0=32, var_1_10=2147483646, var_1_11=32, var_1_12=38/5, var_1_13=2, var_1_14=32, var_1_15=63, var_1_16=63, var_1_17=61, var_1_18=2/5, var_1_19=1, var_1_1=0, var_1_20=3, var_1_21=4, var_1_22=5, var_1_23=128, var_1_4=0, var_1_5=0, var_1_6=129, var_1_7=8, var_1_8=32, var_1_9=2] [L60] COND FALSE !(var_1_4 && (((((var_1_1) < 0 ) ? -(var_1_1) : (var_1_1))) > var_1_5)) VAL [isInitial=1, last_1_var_1_11=32, last_1_var_1_14=32, last_1_var_1_23=128, last_1_var_1_7=8, stepLocal_0=32, var_1_10=2147483646, var_1_11=32, var_1_12=38/5, var_1_13=2, var_1_14=32, var_1_15=63, var_1_16=63, var_1_17=61, var_1_18=2/5, var_1_19=1, var_1_1=0, var_1_20=3, var_1_21=4, var_1_22=5, var_1_23=128, var_1_4=0, var_1_5=0, var_1_6=129, var_1_7=8, var_1_8=32, var_1_9=2] [L63] COND TRUE var_1_6 > 128 [L64] var_1_9 = (var_1_8 - (var_1_10 - var_1_1)) VAL [isInitial=1, last_1_var_1_11=32, last_1_var_1_14=32, last_1_var_1_23=128, last_1_var_1_7=8, stepLocal_0=32, var_1_10=2147483646, var_1_11=32, var_1_12=38/5, var_1_13=2, var_1_14=32, var_1_15=63, var_1_16=63, var_1_17=61, var_1_18=2/5, var_1_19=1, var_1_1=0, var_1_20=3, var_1_21=4, var_1_22=5, var_1_23=128, var_1_4=0, var_1_5=0, var_1_6=129, var_1_7=8, var_1_8=32, var_1_9=-2147483614] [L66] EXPR var_1_5 | var_1_6 VAL [isInitial=1, last_1_var_1_11=32, last_1_var_1_14=32, last_1_var_1_23=128, last_1_var_1_7=8, stepLocal_0=32, var_1_10=2147483646, var_1_11=32, var_1_12=38/5, var_1_13=2, var_1_14=32, var_1_15=63, var_1_16=63, var_1_17=61, var_1_18=2/5, var_1_19=1, var_1_1=0, var_1_20=3, var_1_21=4, var_1_22=5, var_1_23=128, var_1_4=0, var_1_5 | var_1_6=129, var_1_5=0, var_1_6=129, var_1_7=8, var_1_8=32, var_1_9=-2147483614] [L66] signed long int stepLocal_2 = var_1_5 | var_1_6; [L67] COND FALSE !(((var_1_9 + var_1_23) * var_1_9) < stepLocal_2) [L72] var_1_11 = var_1_8 VAL [isInitial=1, last_1_var_1_11=32, last_1_var_1_14=32, last_1_var_1_23=128, last_1_var_1_7=8, stepLocal_0=32, stepLocal_2=129, var_1_10=2147483646, var_1_11=32, var_1_12=38/5, var_1_13=2, var_1_14=32, var_1_15=63, var_1_16=63, var_1_17=61, var_1_18=2/5, var_1_19=1, var_1_1=0, var_1_20=3, var_1_21=4, var_1_22=5, var_1_23=128, var_1_4=0, var_1_5=0, var_1_6=129, var_1_7=8, var_1_8=32, var_1_9=-2147483614] [L74] signed short int stepLocal_1 = var_1_6; VAL [isInitial=1, last_1_var_1_11=32, last_1_var_1_14=32, last_1_var_1_23=128, last_1_var_1_7=8, stepLocal_0=32, stepLocal_1=129, stepLocal_2=129, var_1_10=2147483646, var_1_11=32, var_1_12=38/5, var_1_13=2, var_1_14=32, var_1_15=63, var_1_16=63, var_1_17=61, var_1_18=2/5, var_1_19=1, var_1_1=0, var_1_20=3, var_1_21=4, var_1_22=5, var_1_23=128, var_1_4=0, var_1_5=0, var_1_6=129, var_1_7=8, var_1_8=32, var_1_9=-2147483614] [L75] COND TRUE last_1_var_1_7 < stepLocal_1 [L76] var_1_7 = (var_1_6 + var_1_8) VAL [isInitial=1, last_1_var_1_11=32, last_1_var_1_14=32, last_1_var_1_23=128, last_1_var_1_7=8, stepLocal_0=32, stepLocal_1=129, stepLocal_2=129, var_1_10=2147483646, var_1_11=32, var_1_12=38/5, var_1_13=2, var_1_14=32, var_1_15=63, var_1_16=63, var_1_17=61, var_1_18=2/5, var_1_19=1, var_1_1=0, var_1_20=3, var_1_21=4, var_1_22=5, var_1_23=128, var_1_4=0, var_1_5=0, var_1_6=129, var_1_7=161, var_1_8=32, var_1_9=-2147483614] [L78] unsigned short int stepLocal_4 = var_1_8; [L79] signed long int stepLocal_3 = var_1_9; VAL [isInitial=1, last_1_var_1_11=32, last_1_var_1_14=32, last_1_var_1_23=128, last_1_var_1_7=8, stepLocal_0=32, stepLocal_1=129, stepLocal_2=129, stepLocal_3=-2147483614, stepLocal_4=32, var_1_10=2147483646, var_1_11=32, var_1_12=38/5, var_1_13=2, var_1_14=32, var_1_15=63, var_1_16=63, var_1_17=61, var_1_18=2/5, var_1_19=1, var_1_1=0, var_1_20=3, var_1_21=4, var_1_22=5, var_1_23=128, var_1_4=0, var_1_5=0, var_1_6=129, var_1_7=161, var_1_8=32, var_1_9=-2147483614] [L80] COND FALSE !(stepLocal_3 < (- var_1_10)) [L85] var_1_12 = var_1_13 VAL [isInitial=1, last_1_var_1_11=32, last_1_var_1_14=32, last_1_var_1_23=128, last_1_var_1_7=8, stepLocal_0=32, stepLocal_1=129, stepLocal_2=129, stepLocal_3=-2147483614, stepLocal_4=32, var_1_10=2147483646, var_1_11=32, var_1_12=2, var_1_13=2, var_1_14=32, var_1_15=63, var_1_16=63, var_1_17=61, var_1_18=2/5, var_1_19=1, var_1_1=0, var_1_20=3, var_1_21=4, var_1_22=5, var_1_23=128, var_1_4=0, var_1_5=0, var_1_6=129, var_1_7=161, var_1_8=32, var_1_9=-2147483614] [L87] unsigned short int stepLocal_5 = var_1_8; VAL [isInitial=1, last_1_var_1_11=32, last_1_var_1_14=32, last_1_var_1_23=128, last_1_var_1_7=8, stepLocal_0=32, stepLocal_1=129, stepLocal_2=129, stepLocal_3=-2147483614, stepLocal_4=32, stepLocal_5=32, var_1_10=2147483646, var_1_11=32, var_1_12=2, var_1_13=2, var_1_14=32, var_1_15=63, var_1_16=63, var_1_17=61, var_1_18=2/5, var_1_19=1, var_1_1=0, var_1_20=3, var_1_21=4, var_1_22=5, var_1_23=128, var_1_4=0, var_1_5=0, var_1_6=129, var_1_7=161, var_1_8=32, var_1_9=-2147483614] [L88] COND TRUE last_1_var_1_14 <= stepLocal_5 [L89] var_1_14 = ((((((var_1_15) > (var_1_16)) ? (var_1_15) : (var_1_16))) - var_1_17) + -2) VAL [isInitial=1, last_1_var_1_11=32, last_1_var_1_14=32, last_1_var_1_23=128, last_1_var_1_7=8, stepLocal_0=32, stepLocal_1=129, stepLocal_2=129, stepLocal_3=-2147483614, stepLocal_4=32, stepLocal_5=32, var_1_10=2147483646, var_1_11=32, var_1_12=2, var_1_13=2, var_1_14=0, var_1_15=63, var_1_16=63, var_1_17=61, var_1_18=2/5, var_1_19=1, var_1_1=0, var_1_20=3, var_1_21=4, var_1_22=5, var_1_23=128, var_1_4=0, var_1_5=0, var_1_6=129, var_1_7=161, var_1_8=32, var_1_9=-2147483614] [L91] COND TRUE var_1_4 || var_1_19 [L92] var_1_18 = ((((var_1_20 + (var_1_21 + var_1_22)) < 0 ) ? -(var_1_20 + (var_1_21 + var_1_22)) : (var_1_20 + (var_1_21 + var_1_22)))) VAL [isInitial=1, last_1_var_1_11=32, last_1_var_1_14=32, last_1_var_1_23=128, last_1_var_1_7=8, stepLocal_0=32, stepLocal_1=129, stepLocal_2=129, stepLocal_3=-2147483614, stepLocal_4=32, stepLocal_5=32, var_1_10=2147483646, var_1_11=32, var_1_12=2, var_1_13=2, var_1_14=0, var_1_15=63, var_1_16=63, var_1_17=61, var_1_18=6, var_1_19=1, var_1_1=0, var_1_20=3, var_1_21=4, var_1_22=5, var_1_23=128, var_1_4=0, var_1_5=0, var_1_6=129, var_1_7=161, var_1_8=32, var_1_9=-2147483614] [L148] RET step() [L149] CALL, EXPR property() [L139] EXPR (((((last_1_var_1_23 / -50) >= last_1_var_1_11) ? (var_1_4 ? (var_1_1 == ((signed short int) (var_1_5 - var_1_6))) : (var_1_1 == ((signed short int) var_1_5))) : (var_1_1 == ((signed short int) var_1_5))) && ((last_1_var_1_7 < var_1_6) ? (var_1_7 == ((unsigned short int) (var_1_6 + var_1_8))) : 1)) && ((var_1_6 > 128) ? (var_1_9 == ((signed long int) (var_1_8 - (var_1_10 - var_1_1)))) : 1)) && ((((var_1_9 + var_1_23) * var_1_9) < (var_1_5 | var_1_6)) ? (var_1_4 ? (var_1_11 == ((unsigned short int) var_1_8)) : 1) : (var_1_11 == ((unsigned short int) var_1_8))) VAL [(((((last_1_var_1_23 / -50) >= last_1_var_1_11) ? (var_1_4 ? (var_1_1 == ((signed short int) (var_1_5 - var_1_6))) : (var_1_1 == ((signed short int) var_1_5))) : (var_1_1 == ((signed short int) var_1_5))) && ((last_1_var_1_7 < var_1_6) ? (var_1_7 == ((unsigned short int) (var_1_6 + var_1_8))) : 1)) && ((var_1_6 > 128) ? (var_1_9 == ((signed long int) (var_1_8 - (var_1_10 - var_1_1)))) : 1)) && ((((var_1_9 + var_1_23) * var_1_9) < (var_1_5 | var_1_6)) ? (var_1_4 ? (var_1_11 == ((unsigned short int) var_1_8)) : 1) : (var_1_11 == ((unsigned short int) var_1_8)))=1, isInitial=1, last_1_var_1_11=32, last_1_var_1_14=32, last_1_var_1_23=128, last_1_var_1_7=8, var_1_10=2147483646, var_1_11=32, var_1_12=2, var_1_13=2, var_1_14=0, var_1_15=63, var_1_16=63, var_1_17=61, var_1_18=6, var_1_19=1, var_1_1=0, var_1_20=3, var_1_21=4, var_1_22=5, var_1_23=128, var_1_4=0, var_1_5=0, var_1_6=129, var_1_7=161, var_1_8=32, var_1_9=-2147483614] [L139] EXPR var_1_5 | var_1_6 VAL [(((((last_1_var_1_23 / -50) >= last_1_var_1_11) ? (var_1_4 ? (var_1_1 == ((signed short int) (var_1_5 - var_1_6))) : (var_1_1 == ((signed short int) var_1_5))) : (var_1_1 == ((signed short int) var_1_5))) && ((last_1_var_1_7 < var_1_6) ? (var_1_7 == ((unsigned short int) (var_1_6 + var_1_8))) : 1)) && ((var_1_6 > 128) ? (var_1_9 == ((signed long int) (var_1_8 - (var_1_10 - var_1_1)))) : 1)) && ((((var_1_9 + var_1_23) * var_1_9) < (var_1_5 | var_1_6)) ? (var_1_4 ? (var_1_11 == ((unsigned short int) var_1_8)) : 1) : (var_1_11 == ((unsigned short int) var_1_8)))=1, isInitial=1, last_1_var_1_11=32, last_1_var_1_14=32, last_1_var_1_23=128, last_1_var_1_7=8, var_1_10=2147483646, var_1_11=32, var_1_12=2, var_1_13=2, var_1_14=0, var_1_15=63, var_1_16=63, var_1_17=61, var_1_18=6, var_1_19=1, var_1_1=0, var_1_20=3, var_1_21=4, var_1_22=5, var_1_23=128, var_1_4=0, var_1_5 | var_1_6=129, var_1_5=0, var_1_6=129, var_1_7=161, var_1_8=32, var_1_9=-2147483614] [L139] EXPR (((((last_1_var_1_23 / -50) >= last_1_var_1_11) ? (var_1_4 ? (var_1_1 == ((signed short int) (var_1_5 - var_1_6))) : (var_1_1 == ((signed short int) var_1_5))) : (var_1_1 == ((signed short int) var_1_5))) && ((last_1_var_1_7 < var_1_6) ? (var_1_7 == ((unsigned short int) (var_1_6 + var_1_8))) : 1)) && ((var_1_6 > 128) ? (var_1_9 == ((signed long int) (var_1_8 - (var_1_10 - var_1_1)))) : 1)) && ((((var_1_9 + var_1_23) * var_1_9) < (var_1_5 | var_1_6)) ? (var_1_4 ? (var_1_11 == ((unsigned short int) var_1_8)) : 1) : (var_1_11 == ((unsigned short int) var_1_8))) VAL [(((((last_1_var_1_23 / -50) >= last_1_var_1_11) ? (var_1_4 ? (var_1_1 == ((signed short int) (var_1_5 - var_1_6))) : (var_1_1 == ((signed short int) var_1_5))) : (var_1_1 == ((signed short int) var_1_5))) && ((last_1_var_1_7 < var_1_6) ? (var_1_7 == ((unsigned short int) (var_1_6 + var_1_8))) : 1)) && ((var_1_6 > 128) ? (var_1_9 == ((signed long int) (var_1_8 - (var_1_10 - var_1_1)))) : 1)) && ((((var_1_9 + var_1_23) * var_1_9) < (var_1_5 | var_1_6)) ? (var_1_4 ? (var_1_11 == ((unsigned short int) var_1_8)) : 1) : (var_1_11 == ((unsigned short int) var_1_8)))=1, isInitial=1, last_1_var_1_11=32, last_1_var_1_14=32, last_1_var_1_23=128, last_1_var_1_7=8, var_1_10=2147483646, var_1_11=32, var_1_12=2, var_1_13=2, var_1_14=0, var_1_15=63, var_1_16=63, var_1_17=61, var_1_18=6, var_1_19=1, var_1_1=0, var_1_20=3, var_1_21=4, var_1_22=5, var_1_23=128, var_1_4=0, var_1_5 | var_1_6=129, var_1_5=0, var_1_6=129, var_1_7=161, var_1_8=32, var_1_9=-2147483614] [L139-L140] return (((((((((last_1_var_1_23 / -50) >= last_1_var_1_11) ? (var_1_4 ? (var_1_1 == ((signed short int) (var_1_5 - var_1_6))) : (var_1_1 == ((signed short int) var_1_5))) : (var_1_1 == ((signed short int) var_1_5))) && ((last_1_var_1_7 < var_1_6) ? (var_1_7 == ((unsigned short int) (var_1_6 + var_1_8))) : 1)) && ((var_1_6 > 128) ? (var_1_9 == ((signed long int) (var_1_8 - (var_1_10 - var_1_1)))) : 1)) && ((((var_1_9 + var_1_23) * var_1_9) < (var_1_5 | var_1_6)) ? (var_1_4 ? (var_1_11 == ((unsigned short int) var_1_8)) : 1) : (var_1_11 == ((unsigned short int) var_1_8)))) && ((var_1_9 < (- var_1_10)) ? ((var_1_8 <= var_1_9) ? (var_1_12 == ((double) (var_1_13 - 63.75))) : 1) : (var_1_12 == ((double) var_1_13)))) && ((last_1_var_1_14 <= var_1_8) ? (var_1_14 == ((signed char) ((((((var_1_15) > (var_1_16)) ? (var_1_15) : (var_1_16))) - var_1_17) + -2))) : 1)) && ((var_1_4 || var_1_19) ? (var_1_18 == ((float) ((((var_1_20 + (var_1_21 + var_1_22)) < 0 ) ? -(var_1_20 + (var_1_21 + var_1_22)) : (var_1_20 + (var_1_21 + var_1_22)))))) : 1)) && ((var_1_4 && (((((var_1_1) < 0 ) ? -(var_1_1) : (var_1_1))) > var_1_5)) ? (var_1_23 == ((unsigned short int) var_1_6)) : 1) ; [L149] RET, EXPR property() [L149] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_11=32, last_1_var_1_14=32, last_1_var_1_23=128, last_1_var_1_7=8, var_1_10=2147483646, var_1_11=32, var_1_12=2, var_1_13=2, var_1_14=0, var_1_15=63, var_1_16=63, var_1_17=61, var_1_18=6, var_1_19=1, var_1_1=0, var_1_20=3, var_1_21=4, var_1_22=5, var_1_23=128, var_1_4=0, var_1_5=0, var_1_6=129, var_1_7=161, var_1_8=32, var_1_9=-2147483614] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_11=32, last_1_var_1_14=32, last_1_var_1_23=128, last_1_var_1_7=8, var_1_10=2147483646, var_1_11=32, var_1_12=2, var_1_13=2, var_1_14=0, var_1_15=63, var_1_16=63, var_1_17=61, var_1_18=6, var_1_19=1, var_1_1=0, var_1_20=3, var_1_21=4, var_1_22=5, var_1_23=128, var_1_4=0, var_1_5=0, var_1_6=129, var_1_7=161, var_1_8=32, var_1_9=-2147483614] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 76 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 36.0s, OverallIterations: 11, TraceHistogramMax: 22, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 19.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 3968 SdHoareTripleChecker+Valid, 6.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 3944 mSDsluCounter, 6195 SdHoareTripleChecker+Invalid, 5.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 4950 mSDsCounter, 657 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4842 IncrementalHoareTripleChecker+Invalid, 5499 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 657 mSolverCounterUnsat, 1245 mSDtfsCounter, 4842 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2139 GetRequests, 1837 SyntacticMatches, 1 SemanticMatches, 301 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13553 ImplicationChecksByTransitivity, 12.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1671occurred in iteration=10, InterpolantAutomatonStates: 272, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.0s AutomataMinimizationTime, 10 MinimizatonAttempts, 3299 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.4s SsaConstructionTime, 1.4s SatisfiabilityAnalysisTime, 9.5s InterpolantComputationTime, 1769 NumberOfCodeBlocks, 1769 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 1903 ConstructedInterpolants, 0 QuantifiedInterpolants, 10188 SizeOfPredicates, 85 NumberOfNonLiveVariables, 3717 ConjunctsInSsa, 126 ConjunctsInUnsatCore, 13 InterpolantComputations, 8 PerfectInterpolantSequences, 11739/12012 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 22:19:50,420 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_455f067b-a4ac-4f99-8997-e522351cac38/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_455f067b-a4ac-4f99-8997-e522351cac38/bin/uautomizer-verify-WvqO1wxjHP/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_455f067b-a4ac-4f99-8997-e522351cac38/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_455f067b-a4ac-4f99-8997-e522351cac38/bin/uautomizer-verify-WvqO1wxjHP/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_455f067b-a4ac-4f99-8997-e522351cac38/bin/uautomizer-verify-WvqO1wxjHP/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-16.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_455f067b-a4ac-4f99-8997-e522351cac38/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_455f067b-a4ac-4f99-8997-e522351cac38/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 75aa5f2ee03271bd7ea8f31048e96d5efa8e1cf538471333e970760dcc6ec02a --- Real Ultimate output --- This is Ultimate 0.2.3-dev-e7bb482 [2023-11-06 22:19:53,166 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-06 22:19:53,246 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_455f067b-a4ac-4f99-8997-e522351cac38/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-11-06 22:19:53,252 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-06 22:19:53,253 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-06 22:19:53,280 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-06 22:19:53,284 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-06 22:19:53,285 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-06 22:19:53,286 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-06 22:19:53,291 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-06 22:19:53,292 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-06 22:19:53,292 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-06 22:19:53,293 INFO L153 SettingsManager]: * Use SBE=true [2023-11-06 22:19:53,295 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-06 22:19:53,295 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-06 22:19:53,296 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-06 22:19:53,296 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-06 22:19:53,297 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-06 22:19:53,297 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-06 22:19:53,298 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-06 22:19:53,298 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-06 22:19:53,299 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-06 22:19:53,299 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-06 22:19:53,300 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-06 22:19:53,300 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-06 22:19:53,301 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-06 22:19:53,301 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-06 22:19:53,302 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-06 22:19:53,302 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-06 22:19:53,303 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-06 22:19:53,304 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:19:53,305 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-06 22:19:53,305 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-06 22:19:53,306 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-11-06 22:19:53,306 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-06 22:19:53,306 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-06 22:19:53,307 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-06 22:19:53,307 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-06 22:19:53,307 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-06 22:19:53,308 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-06 22:19:53,309 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-06 22:19:53,309 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-06 22:19:53,309 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_455f067b-a4ac-4f99-8997-e522351cac38/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_455f067b-a4ac-4f99-8997-e522351cac38/bin/uautomizer-verify-WvqO1wxjHP Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 75aa5f2ee03271bd7ea8f31048e96d5efa8e1cf538471333e970760dcc6ec02a [2023-11-06 22:19:53,783 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-06 22:19:53,812 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-06 22:19:53,815 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-06 22:19:53,816 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-06 22:19:53,817 INFO L274 PluginConnector]: CDTParser initialized [2023-11-06 22:19:53,818 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_455f067b-a4ac-4f99-8997-e522351cac38/bin/uautomizer-verify-WvqO1wxjHP/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-16.i [2023-11-06 22:19:57,087 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-06 22:19:57,445 INFO L384 CDTParser]: Found 1 translation units. [2023-11-06 22:19:57,445 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_455f067b-a4ac-4f99-8997-e522351cac38/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-16.i [2023-11-06 22:19:57,457 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_455f067b-a4ac-4f99-8997-e522351cac38/bin/uautomizer-verify-WvqO1wxjHP/data/8f39a60ea/453258a62912452c8e5c9c8718f06b3d/FLAG39df6af9c [2023-11-06 22:19:57,477 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_455f067b-a4ac-4f99-8997-e522351cac38/bin/uautomizer-verify-WvqO1wxjHP/data/8f39a60ea/453258a62912452c8e5c9c8718f06b3d [2023-11-06 22:19:57,479 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-06 22:19:57,481 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-06 22:19:57,482 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-06 22:19:57,483 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-06 22:19:57,492 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-06 22:19:57,493 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:19:57" (1/1) ... [2023-11-06 22:19:57,495 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1ff37a15 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:19:57, skipping insertion in model container [2023-11-06 22:19:57,495 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:19:57" (1/1) ... [2023-11-06 22:19:57,547 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 22:19:57,744 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_455f067b-a4ac-4f99-8997-e522351cac38/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-16.i[915,928] [2023-11-06 22:19:57,857 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:19:57,897 INFO L202 MainTranslator]: Completed pre-run [2023-11-06 22:19:57,927 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_455f067b-a4ac-4f99-8997-e522351cac38/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-16.i[915,928] [2023-11-06 22:19:57,969 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:19:57,995 INFO L206 MainTranslator]: Completed translation [2023-11-06 22:19:57,995 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:19:57 WrapperNode [2023-11-06 22:19:57,996 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-06 22:19:57,997 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-06 22:19:57,999 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-06 22:19:57,999 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-06 22:19:58,009 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:19:57" (1/1) ... [2023-11-06 22:19:58,037 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:19:57" (1/1) ... [2023-11-06 22:19:58,091 INFO L138 Inliner]: procedures = 27, calls = 35, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 153 [2023-11-06 22:19:58,092 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-06 22:19:58,093 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-06 22:19:58,093 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-06 22:19:58,093 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-06 22:19:58,114 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:19:57" (1/1) ... [2023-11-06 22:19:58,115 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:19:57" (1/1) ... [2023-11-06 22:19:58,131 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:19:57" (1/1) ... [2023-11-06 22:19:58,132 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:19:57" (1/1) ... [2023-11-06 22:19:58,159 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:19:57" (1/1) ... [2023-11-06 22:19:58,164 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:19:57" (1/1) ... [2023-11-06 22:19:58,177 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:19:57" (1/1) ... [2023-11-06 22:19:58,180 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:19:57" (1/1) ... [2023-11-06 22:19:58,199 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-06 22:19:58,200 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-06 22:19:58,201 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-06 22:19:58,201 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-06 22:19:58,202 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:19:57" (1/1) ... [2023-11-06 22:19:58,209 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:19:58,227 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_455f067b-a4ac-4f99-8997-e522351cac38/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:19:58,243 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_455f067b-a4ac-4f99-8997-e522351cac38/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-06 22:19:58,297 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_455f067b-a4ac-4f99-8997-e522351cac38/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-06 22:19:58,352 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-06 22:19:58,353 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-06 22:19:58,353 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-06 22:19:58,353 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-06 22:19:58,354 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-06 22:19:58,354 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-06 22:19:58,481 INFO L236 CfgBuilder]: Building ICFG [2023-11-06 22:19:58,484 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-06 22:20:00,670 INFO L277 CfgBuilder]: Performing block encoding [2023-11-06 22:20:00,681 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-06 22:20:00,683 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-06 22:20:00,686 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:20:00 BoogieIcfgContainer [2023-11-06 22:20:00,687 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-06 22:20:00,691 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-06 22:20:00,691 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-06 22:20:00,695 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-06 22:20:00,696 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 10:19:57" (1/3) ... [2023-11-06 22:20:00,697 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5e185619 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:20:00, skipping insertion in model container [2023-11-06 22:20:00,697 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:19:57" (2/3) ... [2023-11-06 22:20:00,699 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5e185619 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:20:00, skipping insertion in model container [2023-11-06 22:20:00,699 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:20:00" (3/3) ... [2023-11-06 22:20:00,704 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount50_file-16.i [2023-11-06 22:20:00,721 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-06 22:20:00,721 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-06 22:20:00,773 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-06 22:20:00,780 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;@77680721, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-06 22:20:00,780 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-06 22:20:00,784 INFO L276 IsEmpty]: Start isEmpty. Operand has 69 states, 44 states have (on average 1.3636363636363635) internal successors, (60), 45 states have internal predecessors, (60), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2023-11-06 22:20:00,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2023-11-06 22:20:00,808 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:20:00,810 INFO L195 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:20:00,813 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:20:00,821 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:20:00,822 INFO L85 PathProgramCache]: Analyzing trace with hash 1928066714, now seen corresponding path program 1 times [2023-11-06 22:20:00,843 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-06 22:20:00,843 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1527738169] [2023-11-06 22:20:00,844 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:20:00,844 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 22:20:00,845 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_455f067b-a4ac-4f99-8997-e522351cac38/bin/uautomizer-verify-WvqO1wxjHP/mathsat [2023-11-06 22:20:00,851 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_455f067b-a4ac-4f99-8997-e522351cac38/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 22:20:00,927 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_455f067b-a4ac-4f99-8997-e522351cac38/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 22:20:01,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:20:01,510 INFO L262 TraceCheckSpWp]: Trace formula consists of 241 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-06 22:20:01,525 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:20:01,586 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 434 proven. 0 refuted. 0 times theorem prover too weak. 490 trivial. 0 not checked. [2023-11-06 22:20:01,587 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:20:01,588 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-06 22:20:01,588 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1527738169] [2023-11-06 22:20:01,589 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1527738169] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:20:01,590 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:20:01,590 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-06 22:20:01,592 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1248736166] [2023-11-06 22:20:01,594 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:20:01,600 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-06 22:20:01,600 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-06 22:20:01,634 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-06 22:20:01,635 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-06 22:20:01,637 INFO L87 Difference]: Start difference. First operand has 69 states, 44 states have (on average 1.3636363636363635) internal successors, (60), 45 states have internal predecessors, (60), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) Second operand has 2 states, 2 states have (on average 20.5) internal successors, (41), 2 states have internal predecessors, (41), 2 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2023-11-06 22:20:01,679 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:20:01,680 INFO L93 Difference]: Finished difference Result 131 states and 224 transitions. [2023-11-06 22:20:01,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-06 22:20:01,687 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 20.5) internal successors, (41), 2 states have internal predecessors, (41), 2 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 144 [2023-11-06 22:20:01,687 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:20:01,700 INFO L225 Difference]: With dead ends: 131 [2023-11-06 22:20:01,701 INFO L226 Difference]: Without dead ends: 65 [2023-11-06 22:20:01,705 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 143 GetRequests, 143 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 22:20:01,710 INFO L413 NwaCegarLoop]: 97 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, 97 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 22:20:01,712 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 97 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 22:20:01,731 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states. [2023-11-06 22:20:01,766 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 65. [2023-11-06 22:20:01,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 65 states, 41 states have (on average 1.2926829268292683) internal successors, (53), 41 states have internal predecessors, (53), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2023-11-06 22:20:01,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 97 transitions. [2023-11-06 22:20:01,774 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 97 transitions. Word has length 144 [2023-11-06 22:20:01,774 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:20:01,775 INFO L495 AbstractCegarLoop]: Abstraction has 65 states and 97 transitions. [2023-11-06 22:20:01,775 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 20.5) internal successors, (41), 2 states have internal predecessors, (41), 2 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2023-11-06 22:20:01,776 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 97 transitions. [2023-11-06 22:20:01,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2023-11-06 22:20:01,784 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:20:01,784 INFO L195 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:20:01,806 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_455f067b-a4ac-4f99-8997-e522351cac38/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)] Ended with exit code 0 [2023-11-06 22:20:01,985 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_455f067b-a4ac-4f99-8997-e522351cac38/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 22:20:01,986 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:20:01,987 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:20:01,987 INFO L85 PathProgramCache]: Analyzing trace with hash -1824750510, now seen corresponding path program 1 times [2023-11-06 22:20:01,988 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-06 22:20:01,988 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1363249185] [2023-11-06 22:20:01,989 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:20:01,989 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 22:20:01,989 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_455f067b-a4ac-4f99-8997-e522351cac38/bin/uautomizer-verify-WvqO1wxjHP/mathsat [2023-11-06 22:20:01,991 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_455f067b-a4ac-4f99-8997-e522351cac38/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 22:20:01,995 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_455f067b-a4ac-4f99-8997-e522351cac38/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 22:20:02,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:20:02,620 INFO L262 TraceCheckSpWp]: Trace formula consists of 241 conjuncts, 31 conjunts are in the unsatisfiable core [2023-11-06 22:20:02,640 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:21:05,369 WARN L293 SmtUtils]: Spent 12.16s on a formula simplification that was a NOOP. DAG size: 107 (called from [L 376] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)