./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-46.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_8f9bec99-d0d3-4cd0-be37-3871cf883090/bin/uautomizer-verify-WvqO1wxjHP/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f9bec99-d0d3-4cd0-be37-3871cf883090/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_8f9bec99-d0d3-4cd0-be37-3871cf883090/bin/uautomizer-verify-WvqO1wxjHP/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f9bec99-d0d3-4cd0-be37-3871cf883090/bin/uautomizer-verify-WvqO1wxjHP/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-46.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f9bec99-d0d3-4cd0-be37-3871cf883090/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_8f9bec99-d0d3-4cd0-be37-3871cf883090/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 7524697c66e1a4ecd762521f8a604e650820f18fffb82d104752941738ae4cd5 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-e7bb482 [2023-11-06 22:33:18,631 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-06 22:33:18,761 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f9bec99-d0d3-4cd0-be37-3871cf883090/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-06 22:33:18,771 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-06 22:33:18,772 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-06 22:33:18,818 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-06 22:33:18,819 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-06 22:33:18,820 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-06 22:33:18,821 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-06 22:33:18,822 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-06 22:33:18,823 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-06 22:33:18,824 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-06 22:33:18,824 INFO L153 SettingsManager]: * Use SBE=true [2023-11-06 22:33:18,825 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-06 22:33:18,826 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-06 22:33:18,827 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-06 22:33:18,827 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-06 22:33:18,828 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-06 22:33:18,829 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-06 22:33:18,829 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-06 22:33:18,830 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-06 22:33:18,831 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-06 22:33:18,832 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-06 22:33:18,832 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-06 22:33:18,833 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-06 22:33:18,833 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-06 22:33:18,834 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-06 22:33:18,834 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-06 22:33:18,835 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:33:18,835 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-06 22:33:18,836 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-06 22:33:18,836 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-11-06 22:33:18,837 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-06 22:33:18,837 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-06 22:33:18,838 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-06 22:33:18,838 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-06 22:33:18,839 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-06 22:33:18,839 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-06 22:33:18,840 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-06 22:33:18,840 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_8f9bec99-d0d3-4cd0-be37-3871cf883090/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f9bec99-d0d3-4cd0-be37-3871cf883090/bin/uautomizer-verify-WvqO1wxjHP Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7524697c66e1a4ecd762521f8a604e650820f18fffb82d104752941738ae4cd5 [2023-11-06 22:33:19,227 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-06 22:33:19,263 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-06 22:33:19,266 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-06 22:33:19,268 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-06 22:33:19,269 INFO L274 PluginConnector]: CDTParser initialized [2023-11-06 22:33:19,270 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f9bec99-d0d3-4cd0-be37-3871cf883090/bin/uautomizer-verify-WvqO1wxjHP/../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-46.i [2023-11-06 22:33:22,605 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-06 22:33:22,857 INFO L384 CDTParser]: Found 1 translation units. [2023-11-06 22:33:22,857 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f9bec99-d0d3-4cd0-be37-3871cf883090/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-46.i [2023-11-06 22:33:22,867 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f9bec99-d0d3-4cd0-be37-3871cf883090/bin/uautomizer-verify-WvqO1wxjHP/data/d99340c23/90bab5f1ca5c4ba99a701cd20d1c019c/FLAG39ec74726 [2023-11-06 22:33:22,882 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f9bec99-d0d3-4cd0-be37-3871cf883090/bin/uautomizer-verify-WvqO1wxjHP/data/d99340c23/90bab5f1ca5c4ba99a701cd20d1c019c [2023-11-06 22:33:22,885 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-06 22:33:22,887 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-06 22:33:22,888 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-06 22:33:22,889 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-06 22:33:22,898 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-06 22:33:22,900 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:33:22" (1/1) ... [2023-11-06 22:33:22,902 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@20440ccc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:33:22, skipping insertion in model container [2023-11-06 22:33:22,902 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:33:22" (1/1) ... [2023-11-06 22:33:22,953 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 22:33:23,092 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_8f9bec99-d0d3-4cd0-be37-3871cf883090/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-46.i[917,930] [2023-11-06 22:33:23,180 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:33:23,202 INFO L202 MainTranslator]: Completed pre-run [2023-11-06 22:33:23,213 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_8f9bec99-d0d3-4cd0-be37-3871cf883090/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-46.i[917,930] [2023-11-06 22:33:23,245 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:33:23,269 INFO L206 MainTranslator]: Completed translation [2023-11-06 22:33:23,270 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:33:23 WrapperNode [2023-11-06 22:33:23,270 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-06 22:33:23,272 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-06 22:33:23,272 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-06 22:33:23,272 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-06 22:33:23,280 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:33:23" (1/1) ... [2023-11-06 22:33:23,308 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:33:23" (1/1) ... [2023-11-06 22:33:23,358 INFO L138 Inliner]: procedures = 26, calls = 35, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 174 [2023-11-06 22:33:23,358 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-06 22:33:23,359 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-06 22:33:23,359 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-06 22:33:23,360 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-06 22:33:23,369 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:33:23" (1/1) ... [2023-11-06 22:33:23,370 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:33:23" (1/1) ... [2023-11-06 22:33:23,374 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:33:23" (1/1) ... [2023-11-06 22:33:23,374 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:33:23" (1/1) ... [2023-11-06 22:33:23,390 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:33:23" (1/1) ... [2023-11-06 22:33:23,394 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:33:23" (1/1) ... [2023-11-06 22:33:23,397 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:33:23" (1/1) ... [2023-11-06 22:33:23,401 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:33:23" (1/1) ... [2023-11-06 22:33:23,407 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-06 22:33:23,408 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-06 22:33:23,410 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-06 22:33:23,410 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-06 22:33:23,411 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:33:23" (1/1) ... [2023-11-06 22:33:23,421 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:33:23,433 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f9bec99-d0d3-4cd0-be37-3871cf883090/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:33:23,447 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f9bec99-d0d3-4cd0-be37-3871cf883090/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-06 22:33:23,483 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f9bec99-d0d3-4cd0-be37-3871cf883090/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-06 22:33:23,494 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-06 22:33:23,495 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-06 22:33:23,495 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-06 22:33:23,495 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-06 22:33:23,495 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-06 22:33:23,496 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-06 22:33:23,612 INFO L236 CfgBuilder]: Building ICFG [2023-11-06 22:33:23,614 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-06 22:33:24,211 INFO L277 CfgBuilder]: Performing block encoding [2023-11-06 22:33:24,218 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-06 22:33:24,219 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-06 22:33:24,221 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:33:24 BoogieIcfgContainer [2023-11-06 22:33:24,221 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-06 22:33:24,224 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-06 22:33:24,224 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-06 22:33:24,228 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-06 22:33:24,228 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 10:33:22" (1/3) ... [2023-11-06 22:33:24,229 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6c6742f5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:33:24, skipping insertion in model container [2023-11-06 22:33:24,230 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:33:23" (2/3) ... [2023-11-06 22:33:24,230 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6c6742f5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:33:24, skipping insertion in model container [2023-11-06 22:33:24,230 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:33:24" (3/3) ... [2023-11-06 22:33:24,232 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_codestructure_steplocals_file-46.i [2023-11-06 22:33:24,253 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-06 22:33:24,253 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-06 22:33:24,316 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-06 22:33:24,325 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;@4a600060, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-06 22:33:24,326 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-06 22:33:24,333 INFO L276 IsEmpty]: Start isEmpty. Operand has 72 states, 47 states have (on average 1.446808510638298) internal successors, (68), 48 states have internal predecessors, (68), 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 22:33:24,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2023-11-06 22:33:24,357 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:33:24,359 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] [2023-11-06 22:33:24,360 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:33:24,368 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:33:24,369 INFO L85 PathProgramCache]: Analyzing trace with hash -738245479, now seen corresponding path program 1 times [2023-11-06 22:33:24,381 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:33:24,382 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1712038742] [2023-11-06 22:33:24,382 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:33:24,383 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:33:24,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:33:24,692 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:33:24,693 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1712038742] [2023-11-06 22:33:24,693 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2023-11-06 22:33:24,694 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1183677592] [2023-11-06 22:33:24,694 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:33:24,695 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:33:24,695 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f9bec99-d0d3-4cd0-be37-3871cf883090/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:33:24,702 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f9bec99-d0d3-4cd0-be37-3871cf883090/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:33:24,723 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f9bec99-d0d3-4cd0-be37-3871cf883090/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-06 22:33:24,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:33:24,923 INFO L262 TraceCheckSpWp]: Trace formula consists of 334 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-06 22:33:24,934 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:33:24,981 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 22:33:24,982 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:33:24,982 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1183677592] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:33:24,983 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:33:24,983 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-06 22:33:24,985 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1314620949] [2023-11-06 22:33:24,986 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:33:24,991 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-06 22:33:24,992 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:33:25,024 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-06 22:33:25,025 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-06 22:33:25,028 INFO L87 Difference]: Start difference. First operand has 72 states, 47 states have (on average 1.446808510638298) internal successors, (68), 48 states have internal predecessors, (68), 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 18.0) internal successors, (36), 2 states have internal predecessors, (36), 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 22:33:25,067 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:33:25,067 INFO L93 Difference]: Finished difference Result 137 states and 240 transitions. [2023-11-06 22:33:25,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-06 22:33:25,070 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 18.0) internal successors, (36), 2 states have internal predecessors, (36), 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 141 [2023-11-06 22:33:25,070 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:33:25,079 INFO L225 Difference]: With dead ends: 137 [2023-11-06 22:33:25,080 INFO L226 Difference]: Without dead ends: 68 [2023-11-06 22:33:25,084 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 140 GetRequests, 140 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 22:33:25,088 INFO L413 NwaCegarLoop]: 103 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, 103 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 22:33:25,090 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 103 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 22:33:25,106 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states. [2023-11-06 22:33:25,137 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 68. [2023-11-06 22:33:25,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 68 states, 44 states have (on average 1.3409090909090908) internal successors, (59), 44 states have internal predecessors, (59), 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 22:33:25,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 103 transitions. [2023-11-06 22:33:25,144 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 103 transitions. Word has length 141 [2023-11-06 22:33:25,144 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:33:25,144 INFO L495 AbstractCegarLoop]: Abstraction has 68 states and 103 transitions. [2023-11-06 22:33:25,145 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 18.0) internal successors, (36), 2 states have internal predecessors, (36), 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 22:33:25,145 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 103 transitions. [2023-11-06 22:33:25,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2023-11-06 22:33:25,149 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:33:25,149 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] [2023-11-06 22:33:25,161 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f9bec99-d0d3-4cd0-be37-3871cf883090/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-06 22:33:25,356 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f9bec99-d0d3-4cd0-be37-3871cf883090/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:33:25,356 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:33:25,357 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:33:25,357 INFO L85 PathProgramCache]: Analyzing trace with hash -1043845225, now seen corresponding path program 1 times [2023-11-06 22:33:25,357 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:33:25,358 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [663494308] [2023-11-06 22:33:25,358 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:33:25,358 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:33:25,449 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 22:33:25,449 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [571305001] [2023-11-06 22:33:25,450 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:33:25,450 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:33:25,450 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f9bec99-d0d3-4cd0-be37-3871cf883090/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:33:25,451 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f9bec99-d0d3-4cd0-be37-3871cf883090/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:33:25,479 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f9bec99-d0d3-4cd0-be37-3871cf883090/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-06 22:33:26,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:33:26,086 INFO L262 TraceCheckSpWp]: Trace formula consists of 337 conjuncts, 38 conjunts are in the unsatisfiable core [2023-11-06 22:33:26,097 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:33:28,268 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 445 proven. 186 refuted. 0 times theorem prover too weak. 293 trivial. 0 not checked. [2023-11-06 22:33:28,268 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-06 22:33:40,215 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 22:33:40,215 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:33:40,215 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [663494308] [2023-11-06 22:33:40,216 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 22:33:40,216 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [571305001] [2023-11-06 22:33:40,216 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [571305001] provided 1 perfect and 1 imperfect interpolant sequences [2023-11-06 22:33:40,216 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-06 22:33:40,217 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [20] total 26 [2023-11-06 22:33:40,217 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1088623643] [2023-11-06 22:33:40,217 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:33:40,219 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-06 22:33:40,219 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:33:40,220 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-06 22:33:40,221 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=141, Invalid=509, Unknown=0, NotChecked=0, Total=650 [2023-11-06 22:33:40,221 INFO L87 Difference]: Start difference. First operand 68 states and 103 transitions. Second operand has 8 states, 8 states have (on average 4.375) internal successors, (35), 8 states have internal predecessors, (35), 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 22:33:52,502 WARN L293 SmtUtils]: Spent 5.09s on a formula simplification. DAG size of input: 82 DAG size of output: 68 (called from [L 376] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-11-06 22:34:00,260 WARN L293 SmtUtils]: Spent 7.14s on a formula simplification. DAG size of input: 83 DAG size of output: 69 (called from [L 376] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-11-06 22:34:07,900 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:34:07,900 INFO L93 Difference]: Finished difference Result 258 states and 375 transitions. [2023-11-06 22:34:07,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-11-06 22:34:07,902 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 4.375) internal successors, (35), 8 states have internal predecessors, (35), 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 142 [2023-11-06 22:34:07,903 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:34:07,907 INFO L225 Difference]: With dead ends: 258 [2023-11-06 22:34:07,907 INFO L226 Difference]: Without dead ends: 193 [2023-11-06 22:34:07,909 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 295 GetRequests, 262 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 331 ImplicationChecksByTransitivity, 29.5s TimeCoverageRelationStatistics Valid=223, Invalid=967, Unknown=0, NotChecked=0, Total=1190 [2023-11-06 22:34:07,910 INFO L413 NwaCegarLoop]: 132 mSDtfsCounter, 277 mSDsluCounter, 427 mSDsCounter, 0 mSdLazyCounter, 243 mSolverCounterSat, 56 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 277 SdHoareTripleChecker+Valid, 559 SdHoareTripleChecker+Invalid, 299 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 56 IncrementalHoareTripleChecker+Valid, 243 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time [2023-11-06 22:34:07,911 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [277 Valid, 559 Invalid, 299 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [56 Valid, 243 Invalid, 0 Unknown, 0 Unchecked, 4.2s Time] [2023-11-06 22:34:07,912 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 193 states. [2023-11-06 22:34:07,944 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 193 to 82. [2023-11-06 22:34:07,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 82 states, 57 states have (on average 1.368421052631579) internal successors, (78), 57 states have internal predecessors, (78), 22 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2023-11-06 22:34:07,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 122 transitions. [2023-11-06 22:34:07,947 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 122 transitions. Word has length 142 [2023-11-06 22:34:07,948 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:34:07,948 INFO L495 AbstractCegarLoop]: Abstraction has 82 states and 122 transitions. [2023-11-06 22:34:07,948 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 4.375) internal successors, (35), 8 states have internal predecessors, (35), 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 22:34:07,949 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 122 transitions. [2023-11-06 22:34:07,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2023-11-06 22:34:07,952 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:34:07,952 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] [2023-11-06 22:34:07,963 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f9bec99-d0d3-4cd0-be37-3871cf883090/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2023-11-06 22:34:08,157 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f9bec99-d0d3-4cd0-be37-3871cf883090/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:34:08,158 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:34:08,159 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:34:08,159 INFO L85 PathProgramCache]: Analyzing trace with hash -785679787, now seen corresponding path program 1 times [2023-11-06 22:34:08,159 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:34:08,160 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1722187746] [2023-11-06 22:34:08,160 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:34:08,160 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:34:08,204 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 22:34:08,204 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [562675240] [2023-11-06 22:34:08,204 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:34:08,205 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:34:08,205 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f9bec99-d0d3-4cd0-be37-3871cf883090/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:34:08,206 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f9bec99-d0d3-4cd0-be37-3871cf883090/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:34:08,231 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f9bec99-d0d3-4cd0-be37-3871cf883090/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-11-06 22:34:08,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:34:08,568 INFO L262 TraceCheckSpWp]: Trace formula consists of 335 conjuncts, 32 conjunts are in the unsatisfiable core [2023-11-06 22:34:08,575 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:34:10,693 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 445 proven. 186 refuted. 0 times theorem prover too weak. 293 trivial. 0 not checked. [2023-11-06 22:34:10,693 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-06 22:34:19,809 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 45 proven. 78 refuted. 0 times theorem prover too weak. 801 trivial. 0 not checked. [2023-11-06 22:34:19,809 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:34:19,809 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1722187746] [2023-11-06 22:34:19,810 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 22:34:19,810 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [562675240] [2023-11-06 22:34:19,810 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [562675240] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-06 22:34:19,810 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-06 22:34:19,811 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 12] total 29 [2023-11-06 22:34:19,811 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [663789887] [2023-11-06 22:34:19,811 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-06 22:34:19,813 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2023-11-06 22:34:19,813 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:34:19,815 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2023-11-06 22:34:19,816 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=248, Invalid=564, Unknown=0, NotChecked=0, Total=812 [2023-11-06 22:34:19,816 INFO L87 Difference]: Start difference. First operand 82 states and 122 transitions. Second operand has 29 states, 28 states have (on average 2.8214285714285716) internal successors, (79), 26 states have internal predecessors, (79), 9 states have call successors, (39), 6 states have call predecessors, (39), 10 states have return successors, (40), 9 states have call predecessors, (40), 9 states have call successors, (40) [2023-11-06 22:34:49,028 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:34:49,028 INFO L93 Difference]: Finished difference Result 337 states and 450 transitions. [2023-11-06 22:34:49,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2023-11-06 22:34:49,029 INFO L78 Accepts]: Start accepts. Automaton has has 29 states, 28 states have (on average 2.8214285714285716) internal successors, (79), 26 states have internal predecessors, (79), 9 states have call successors, (39), 6 states have call predecessors, (39), 10 states have return successors, (40), 9 states have call predecessors, (40), 9 states have call successors, (40) Word has length 142 [2023-11-06 22:34:49,031 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:34:49,038 INFO L225 Difference]: With dead ends: 337 [2023-11-06 22:34:49,039 INFO L226 Difference]: Without dead ends: 258 [2023-11-06 22:34:49,045 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 338 GetRequests, 260 SyntacticMatches, 0 SemanticMatches, 78 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1855 ImplicationChecksByTransitivity, 21.2s TimeCoverageRelationStatistics Valid=1630, Invalid=4690, Unknown=0, NotChecked=0, Total=6320 [2023-11-06 22:34:49,047 INFO L413 NwaCegarLoop]: 94 mSDtfsCounter, 308 mSDsluCounter, 486 mSDsCounter, 0 mSdLazyCounter, 1209 mSolverCounterSat, 127 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 312 SdHoareTripleChecker+Valid, 580 SdHoareTripleChecker+Invalid, 1336 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 127 IncrementalHoareTripleChecker+Valid, 1209 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.3s IncrementalHoareTripleChecker+Time [2023-11-06 22:34:49,051 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [312 Valid, 580 Invalid, 1336 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [127 Valid, 1209 Invalid, 0 Unknown, 0 Unchecked, 11.3s Time] [2023-11-06 22:34:49,053 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 258 states. [2023-11-06 22:34:49,127 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 258 to 95. [2023-11-06 22:34:49,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 95 states, 65 states have (on average 1.2461538461538462) internal successors, (81), 65 states have internal predecessors, (81), 22 states have call successors, (22), 7 states have call predecessors, (22), 7 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2023-11-06 22:34:49,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 125 transitions. [2023-11-06 22:34:49,137 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 125 transitions. Word has length 142 [2023-11-06 22:34:49,138 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:34:49,141 INFO L495 AbstractCegarLoop]: Abstraction has 95 states and 125 transitions. [2023-11-06 22:34:49,142 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 29 states, 28 states have (on average 2.8214285714285716) internal successors, (79), 26 states have internal predecessors, (79), 9 states have call successors, (39), 6 states have call predecessors, (39), 10 states have return successors, (40), 9 states have call predecessors, (40), 9 states have call successors, (40) [2023-11-06 22:34:49,142 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 125 transitions. [2023-11-06 22:34:49,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2023-11-06 22:34:49,157 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:34:49,157 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] [2023-11-06 22:34:49,171 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f9bec99-d0d3-4cd0-be37-3871cf883090/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-11-06 22:34:49,364 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f9bec99-d0d3-4cd0-be37-3871cf883090/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:34:49,365 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:34:49,365 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:34:49,365 INFO L85 PathProgramCache]: Analyzing trace with hash -897522486, now seen corresponding path program 1 times [2023-11-06 22:34:49,366 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:34:49,366 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [726194706] [2023-11-06 22:34:49,366 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:34:49,366 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:34:49,452 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 22:34:49,453 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [207014032] [2023-11-06 22:34:49,457 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:34:49,458 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:34:49,458 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f9bec99-d0d3-4cd0-be37-3871cf883090/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:34:49,460 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f9bec99-d0d3-4cd0-be37-3871cf883090/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:34:49,462 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f9bec99-d0d3-4cd0-be37-3871cf883090/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-11-06 22:34:49,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:34:49,891 INFO L262 TraceCheckSpWp]: Trace formula consists of 337 conjuncts, 32 conjunts are in the unsatisfiable core [2023-11-06 22:34:49,904 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:34:56,016 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 351 proven. 186 refuted. 0 times theorem prover too weak. 387 trivial. 0 not checked. [2023-11-06 22:34:56,017 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-06 22:35:08,489 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 22:35:08,489 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:35:08,489 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [726194706] [2023-11-06 22:35:08,489 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 22:35:08,489 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [207014032] [2023-11-06 22:35:08,490 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [207014032] provided 1 perfect and 1 imperfect interpolant sequences [2023-11-06 22:35:08,490 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-06 22:35:08,490 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [16] total 21 [2023-11-06 22:35:08,490 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [695661743] [2023-11-06 22:35:08,491 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:35:08,491 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-06 22:35:08,492 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:35:08,493 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-06 22:35:08,493 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=89, Invalid=331, Unknown=0, NotChecked=0, Total=420 [2023-11-06 22:35:08,494 INFO L87 Difference]: Start difference. First operand 95 states and 125 transitions. Second operand has 8 states, 8 states have (on average 4.5) internal successors, (36), 8 states have internal predecessors, (36), 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 22:35:20,472 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:35:20,473 INFO L93 Difference]: Finished difference Result 280 states and 376 transitions. [2023-11-06 22:35:20,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-06 22:35:20,474 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 4.5) internal successors, (36), 8 states have internal predecessors, (36), 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 143 [2023-11-06 22:35:20,475 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:35:20,478 INFO L225 Difference]: With dead ends: 280 [2023-11-06 22:35:20,478 INFO L226 Difference]: Without dead ends: 188 [2023-11-06 22:35:20,480 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 294 GetRequests, 268 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 179 ImplicationChecksByTransitivity, 9.9s TimeCoverageRelationStatistics Valid=151, Invalid=605, Unknown=0, NotChecked=0, Total=756 [2023-11-06 22:35:20,481 INFO L413 NwaCegarLoop]: 141 mSDtfsCounter, 276 mSDsluCounter, 376 mSDsCounter, 0 mSdLazyCounter, 206 mSolverCounterSat, 38 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 276 SdHoareTripleChecker+Valid, 517 SdHoareTripleChecker+Invalid, 244 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 206 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.1s IncrementalHoareTripleChecker+Time [2023-11-06 22:35:20,482 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [276 Valid, 517 Invalid, 244 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 206 Invalid, 0 Unknown, 0 Unchecked, 6.1s Time] [2023-11-06 22:35:20,483 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 188 states. [2023-11-06 22:35:20,529 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 188 to 105. [2023-11-06 22:35:20,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 105 states, 75 states have (on average 1.28) internal successors, (96), 75 states have internal predecessors, (96), 22 states have call successors, (22), 7 states have call predecessors, (22), 7 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2023-11-06 22:35:20,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 140 transitions. [2023-11-06 22:35:20,532 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 140 transitions. Word has length 143 [2023-11-06 22:35:20,532 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:35:20,533 INFO L495 AbstractCegarLoop]: Abstraction has 105 states and 140 transitions. [2023-11-06 22:35:20,533 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 4.5) internal successors, (36), 8 states have internal predecessors, (36), 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 22:35:20,534 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 140 transitions. [2023-11-06 22:35:20,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2023-11-06 22:35:20,537 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:35:20,537 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] [2023-11-06 22:35:20,547 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f9bec99-d0d3-4cd0-be37-3871cf883090/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-11-06 22:35:20,743 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f9bec99-d0d3-4cd0-be37-3871cf883090/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:35:20,743 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:35:20,743 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:35:20,744 INFO L85 PathProgramCache]: Analyzing trace with hash -1484328500, now seen corresponding path program 1 times [2023-11-06 22:35:20,744 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:35:20,744 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [521752988] [2023-11-06 22:35:20,744 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:35:20,745 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:35:20,794 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 22:35:20,795 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [91842668] [2023-11-06 22:35:20,795 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:35:20,795 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:35:20,796 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f9bec99-d0d3-4cd0-be37-3871cf883090/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:35:20,797 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f9bec99-d0d3-4cd0-be37-3871cf883090/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:35:20,819 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f9bec99-d0d3-4cd0-be37-3871cf883090/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-11-06 22:35:21,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:35:21,099 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-06 22:35:21,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:35:21,320 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-06 22:35:21,321 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-06 22:35:21,322 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-06 22:35:21,340 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f9bec99-d0d3-4cd0-be37-3871cf883090/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2023-11-06 22:35:21,535 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f9bec99-d0d3-4cd0-be37-3871cf883090/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:35:21,538 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2023-11-06 22:35:21,542 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-06 22:35:21,686 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.11 10:35:21 BoogieIcfgContainer [2023-11-06 22:35:21,686 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-06 22:35:21,687 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-06 22:35:21,687 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-06 22:35:21,688 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-06 22:35:21,688 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:33:24" (3/4) ... [2023-11-06 22:35:21,691 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-06 22:35:21,692 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-06 22:35:21,693 INFO L158 Benchmark]: Toolchain (without parser) took 118806.20ms. Allocated memory was 138.4MB in the beginning and 201.3MB in the end (delta: 62.9MB). Free memory was 92.3MB in the beginning and 144.8MB in the end (delta: -52.5MB). Peak memory consumption was 11.4MB. Max. memory is 16.1GB. [2023-11-06 22:35:21,694 INFO L158 Benchmark]: CDTParser took 0.38ms. Allocated memory is still 138.4MB. Free memory is still 111.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 22:35:21,694 INFO L158 Benchmark]: CACSL2BoogieTranslator took 382.44ms. Allocated memory is still 138.4MB. Free memory was 91.9MB in the beginning and 78.0MB in the end (delta: 13.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-06 22:35:21,695 INFO L158 Benchmark]: Boogie Procedure Inliner took 87.03ms. Allocated memory is still 138.4MB. Free memory was 78.0MB in the beginning and 73.0MB in the end (delta: 5.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-06 22:35:21,695 INFO L158 Benchmark]: Boogie Preprocessor took 48.51ms. Allocated memory is still 138.4MB. Free memory was 73.0MB in the beginning and 70.4MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-06 22:35:21,696 INFO L158 Benchmark]: RCFGBuilder took 813.07ms. Allocated memory was 138.4MB in the beginning and 167.8MB in the end (delta: 29.4MB). Free memory was 70.4MB in the beginning and 119.9MB in the end (delta: -49.5MB). Peak memory consumption was 20.6MB. Max. memory is 16.1GB. [2023-11-06 22:35:21,696 INFO L158 Benchmark]: TraceAbstraction took 117462.55ms. Allocated memory was 167.8MB in the beginning and 201.3MB in the end (delta: 33.6MB). Free memory was 119.9MB in the beginning and 145.8MB in the end (delta: -25.9MB). Peak memory consumption was 7.5MB. Max. memory is 16.1GB. [2023-11-06 22:35:21,697 INFO L158 Benchmark]: Witness Printer took 5.16ms. Allocated memory is still 201.3MB. Free memory is still 144.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 22:35:21,700 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.38ms. Allocated memory is still 138.4MB. Free memory is still 111.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 382.44ms. Allocated memory is still 138.4MB. Free memory was 91.9MB in the beginning and 78.0MB in the end (delta: 13.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 87.03ms. Allocated memory is still 138.4MB. Free memory was 78.0MB in the beginning and 73.0MB in the end (delta: 5.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 48.51ms. Allocated memory is still 138.4MB. Free memory was 73.0MB in the beginning and 70.4MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 813.07ms. Allocated memory was 138.4MB in the beginning and 167.8MB in the end (delta: 29.4MB). Free memory was 70.4MB in the beginning and 119.9MB in the end (delta: -49.5MB). Peak memory consumption was 20.6MB. Max. memory is 16.1GB. * TraceAbstraction took 117462.55ms. Allocated memory was 167.8MB in the beginning and 201.3MB in the end (delta: 33.6MB). Free memory was 119.9MB in the beginning and 145.8MB in the end (delta: -25.9MB). Peak memory consumption was 7.5MB. Max. memory is 16.1GB. * Witness Printer took 5.16ms. Allocated memory is still 201.3MB. Free memory is still 144.8MB. 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 128, overapproximation of someBinaryDOUBLEComparisonOperation at line 128, overapproximation of shiftRight at line 76. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned char var_1_1 = 16; [L23] unsigned char var_1_2 = 1; [L24] unsigned char var_1_3 = 0; [L25] unsigned char var_1_4 = 128; [L26] unsigned char var_1_5 = 10; [L27] unsigned short int var_1_6 = 10; [L28] unsigned short int var_1_7 = 52077; [L29] unsigned short int var_1_8 = 47248; [L30] unsigned short int var_1_9 = 50; [L31] float var_1_10 = 999.2; [L32] float var_1_11 = 63.75; [L33] signed long int var_1_12 = 100000; [L34] unsigned short int var_1_13 = 8; [L35] signed long int var_1_14 = 2; [L36] signed long int var_1_15 = 32; [L37] unsigned short int var_1_16 = 64; [L38] double var_1_17 = 127.5; [L39] double var_1_18 = 32.75; [L40] signed char var_1_19 = 0; [L41] unsigned long int var_1_20 = 128; VAL [isInitial=0, var_1_10=4996/5, var_1_11=255/4, var_1_12=100000, var_1_13=8, var_1_14=2, var_1_15=32, var_1_16=64, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_2=1, var_1_3=0, var_1_4=128, var_1_5=10, var_1_6=10, var_1_7=52077, var_1_8=47248, var_1_9=50] [L132] isInitial = 1 [L133] FCALL initially() [L134] COND TRUE 1 [L135] FCALL updateLastVariables() [L136] CALL updateVariables() [L90] var_1_2 = __VERIFIER_nondet_uchar() [L91] CALL assume_abort_if_not(var_1_2 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=4996/5, var_1_11=255/4, var_1_12=100000, var_1_13=8, var_1_14=2, var_1_15=32, var_1_16=64, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_3=0, var_1_4=128, var_1_5=10, var_1_6=10, var_1_7=52077, var_1_8=47248, var_1_9=50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=4996/5, var_1_11=255/4, var_1_12=100000, var_1_13=8, var_1_14=2, var_1_15=32, var_1_16=64, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_3=0, var_1_4=128, var_1_5=10, var_1_6=10, var_1_7=52077, var_1_8=47248, var_1_9=50] [L91] RET assume_abort_if_not(var_1_2 >= 0) VAL [isInitial=1, var_1_10=4996/5, var_1_11=255/4, var_1_12=100000, var_1_13=8, var_1_14=2, var_1_15=32, var_1_16=64, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_3=0, var_1_4=128, var_1_5=10, var_1_6=10, var_1_7=52077, var_1_8=47248, var_1_9=50] [L92] CALL assume_abort_if_not(var_1_2 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=4996/5, var_1_11=255/4, var_1_12=100000, var_1_13=8, var_1_14=2, var_1_15=32, var_1_16=64, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_2=1, var_1_3=0, var_1_4=128, var_1_5=10, var_1_6=10, var_1_7=52077, var_1_8=47248, var_1_9=50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=4996/5, var_1_11=255/4, var_1_12=100000, var_1_13=8, var_1_14=2, var_1_15=32, var_1_16=64, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_2=1, var_1_3=0, var_1_4=128, var_1_5=10, var_1_6=10, var_1_7=52077, var_1_8=47248, var_1_9=50] [L92] RET assume_abort_if_not(var_1_2 <= 1) VAL [isInitial=1, var_1_10=4996/5, var_1_11=255/4, var_1_12=100000, var_1_13=8, var_1_14=2, var_1_15=32, var_1_16=64, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_2=1, var_1_3=0, var_1_4=128, var_1_5=10, var_1_6=10, var_1_7=52077, var_1_8=47248, var_1_9=50] [L93] var_1_3 = __VERIFIER_nondet_uchar() [L94] CALL assume_abort_if_not(var_1_3 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=4996/5, var_1_11=255/4, var_1_12=100000, var_1_13=8, var_1_14=2, var_1_15=32, var_1_16=64, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_2=1, var_1_3=1, var_1_4=128, var_1_5=10, var_1_6=10, var_1_7=52077, var_1_8=47248, var_1_9=50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=4996/5, var_1_11=255/4, var_1_12=100000, var_1_13=8, var_1_14=2, var_1_15=32, var_1_16=64, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_2=1, var_1_3=1, var_1_4=128, var_1_5=10, var_1_6=10, var_1_7=52077, var_1_8=47248, var_1_9=50] [L94] RET assume_abort_if_not(var_1_3 >= 0) VAL [isInitial=1, var_1_10=4996/5, var_1_11=255/4, var_1_12=100000, var_1_13=8, var_1_14=2, var_1_15=32, var_1_16=64, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_2=1, var_1_3=1, var_1_4=128, var_1_5=10, var_1_6=10, var_1_7=52077, var_1_8=47248, var_1_9=50] [L95] CALL assume_abort_if_not(var_1_3 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=4996/5, var_1_11=255/4, var_1_12=100000, var_1_13=8, var_1_14=2, var_1_15=32, var_1_16=64, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_2=1, var_1_3=1, var_1_4=128, var_1_5=10, var_1_6=10, var_1_7=52077, var_1_8=47248, var_1_9=50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=4996/5, var_1_11=255/4, var_1_12=100000, var_1_13=8, var_1_14=2, var_1_15=32, var_1_16=64, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_2=1, var_1_3=1, var_1_4=128, var_1_5=10, var_1_6=10, var_1_7=52077, var_1_8=47248, var_1_9=50] [L95] RET assume_abort_if_not(var_1_3 <= 1) VAL [isInitial=1, var_1_10=4996/5, var_1_11=255/4, var_1_12=100000, var_1_13=8, var_1_14=2, var_1_15=32, var_1_16=64, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_2=1, var_1_3=1, var_1_4=128, var_1_5=10, var_1_6=10, var_1_7=52077, var_1_8=47248, var_1_9=50] [L96] var_1_4 = __VERIFIER_nondet_uchar() [L97] CALL assume_abort_if_not(var_1_4 >= 127) VAL [\old(cond)=1, isInitial=1, var_1_10=4996/5, var_1_11=255/4, var_1_12=100000, var_1_13=8, var_1_14=2, var_1_15=32, var_1_16=64, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_2=1, var_1_3=1, var_1_4=254, var_1_5=10, var_1_6=10, var_1_7=52077, var_1_8=47248, var_1_9=50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=4996/5, var_1_11=255/4, var_1_12=100000, var_1_13=8, var_1_14=2, var_1_15=32, var_1_16=64, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_2=1, var_1_3=1, var_1_4=254, var_1_5=10, var_1_6=10, var_1_7=52077, var_1_8=47248, var_1_9=50] [L97] RET assume_abort_if_not(var_1_4 >= 127) VAL [isInitial=1, var_1_10=4996/5, var_1_11=255/4, var_1_12=100000, var_1_13=8, var_1_14=2, var_1_15=32, var_1_16=64, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_2=1, var_1_3=1, var_1_4=254, var_1_5=10, var_1_6=10, var_1_7=52077, var_1_8=47248, var_1_9=50] [L98] CALL assume_abort_if_not(var_1_4 <= 254) VAL [\old(cond)=1, isInitial=1, var_1_10=4996/5, var_1_11=255/4, var_1_12=100000, var_1_13=8, var_1_14=2, var_1_15=32, var_1_16=64, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_2=1, var_1_3=1, var_1_4=254, var_1_5=10, var_1_6=10, var_1_7=52077, var_1_8=47248, var_1_9=50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=4996/5, var_1_11=255/4, var_1_12=100000, var_1_13=8, var_1_14=2, var_1_15=32, var_1_16=64, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_2=1, var_1_3=1, var_1_4=254, var_1_5=10, var_1_6=10, var_1_7=52077, var_1_8=47248, var_1_9=50] [L98] RET assume_abort_if_not(var_1_4 <= 254) VAL [isInitial=1, var_1_10=4996/5, var_1_11=255/4, var_1_12=100000, var_1_13=8, var_1_14=2, var_1_15=32, var_1_16=64, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_2=1, var_1_3=1, var_1_4=254, var_1_5=10, var_1_6=10, var_1_7=52077, var_1_8=47248, var_1_9=50] [L99] var_1_5 = __VERIFIER_nondet_uchar() [L100] CALL assume_abort_if_not(var_1_5 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=4996/5, var_1_11=255/4, var_1_12=100000, var_1_13=8, var_1_14=2, var_1_15=32, var_1_16=64, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_2=1, var_1_3=1, var_1_4=254, var_1_5=0, var_1_6=10, var_1_7=52077, var_1_8=47248, var_1_9=50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=4996/5, var_1_11=255/4, var_1_12=100000, var_1_13=8, var_1_14=2, var_1_15=32, var_1_16=64, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_2=1, var_1_3=1, var_1_4=254, var_1_5=0, var_1_6=10, var_1_7=52077, var_1_8=47248, var_1_9=50] [L100] RET assume_abort_if_not(var_1_5 >= 0) VAL [isInitial=1, var_1_10=4996/5, var_1_11=255/4, var_1_12=100000, var_1_13=8, var_1_14=2, var_1_15=32, var_1_16=64, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_2=1, var_1_3=1, var_1_4=254, var_1_5=0, var_1_6=10, var_1_7=52077, var_1_8=47248, var_1_9=50] [L101] CALL assume_abort_if_not(var_1_5 <= 127) VAL [\old(cond)=1, isInitial=1, var_1_10=4996/5, var_1_11=255/4, var_1_12=100000, var_1_13=8, var_1_14=2, var_1_15=32, var_1_16=64, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_2=1, var_1_3=1, var_1_4=254, var_1_5=0, var_1_6=10, var_1_7=52077, var_1_8=47248, var_1_9=50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=4996/5, var_1_11=255/4, var_1_12=100000, var_1_13=8, var_1_14=2, var_1_15=32, var_1_16=64, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_2=1, var_1_3=1, var_1_4=254, var_1_5=0, var_1_6=10, var_1_7=52077, var_1_8=47248, var_1_9=50] [L101] RET assume_abort_if_not(var_1_5 <= 127) VAL [isInitial=1, var_1_10=4996/5, var_1_11=255/4, var_1_12=100000, var_1_13=8, var_1_14=2, var_1_15=32, var_1_16=64, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_2=1, var_1_3=1, var_1_4=254, var_1_5=0, var_1_6=10, var_1_7=52077, var_1_8=47248, var_1_9=50] [L102] var_1_7 = __VERIFIER_nondet_ushort() [L103] CALL assume_abort_if_not(var_1_7 >= 32767) VAL [\old(cond)=1, isInitial=1, var_1_10=4996/5, var_1_11=255/4, var_1_12=100000, var_1_13=8, var_1_14=2, var_1_15=32, var_1_16=64, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_2=1, var_1_3=1, var_1_4=254, var_1_5=0, var_1_6=10, var_1_7=65534, var_1_8=47248, var_1_9=50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=4996/5, var_1_11=255/4, var_1_12=100000, var_1_13=8, var_1_14=2, var_1_15=32, var_1_16=64, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_2=1, var_1_3=1, var_1_4=254, var_1_5=0, var_1_6=10, var_1_7=65534, var_1_8=47248, var_1_9=50] [L103] RET assume_abort_if_not(var_1_7 >= 32767) VAL [isInitial=1, var_1_10=4996/5, var_1_11=255/4, var_1_12=100000, var_1_13=8, var_1_14=2, var_1_15=32, var_1_16=64, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_2=1, var_1_3=1, var_1_4=254, var_1_5=0, var_1_6=10, var_1_7=65534, var_1_8=47248, var_1_9=50] [L104] CALL assume_abort_if_not(var_1_7 <= 65534) VAL [\old(cond)=1, isInitial=1, var_1_10=4996/5, var_1_11=255/4, var_1_12=100000, var_1_13=8, var_1_14=2, var_1_15=32, var_1_16=64, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_2=1, var_1_3=1, var_1_4=254, var_1_5=0, var_1_6=10, var_1_7=65534, var_1_8=47248, var_1_9=50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=4996/5, var_1_11=255/4, var_1_12=100000, var_1_13=8, var_1_14=2, var_1_15=32, var_1_16=64, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_2=1, var_1_3=1, var_1_4=254, var_1_5=0, var_1_6=10, var_1_7=65534, var_1_8=47248, var_1_9=50] [L104] RET assume_abort_if_not(var_1_7 <= 65534) VAL [isInitial=1, var_1_10=4996/5, var_1_11=255/4, var_1_12=100000, var_1_13=8, var_1_14=2, var_1_15=32, var_1_16=64, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_2=1, var_1_3=1, var_1_4=254, var_1_5=0, var_1_6=10, var_1_7=65534, var_1_8=47248, var_1_9=50] [L105] var_1_8 = __VERIFIER_nondet_ushort() [L106] CALL assume_abort_if_not(var_1_8 >= 32767) VAL [\old(cond)=1, isInitial=1, var_1_10=4996/5, var_1_11=255/4, var_1_12=100000, var_1_13=8, var_1_14=2, var_1_15=32, var_1_16=64, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_2=1, var_1_3=1, var_1_4=254, var_1_5=0, var_1_6=10, var_1_7=65534, var_1_8=65534, var_1_9=50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=4996/5, var_1_11=255/4, var_1_12=100000, var_1_13=8, var_1_14=2, var_1_15=32, var_1_16=64, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_2=1, var_1_3=1, var_1_4=254, var_1_5=0, var_1_6=10, var_1_7=65534, var_1_8=65534, var_1_9=50] [L106] RET assume_abort_if_not(var_1_8 >= 32767) VAL [isInitial=1, var_1_10=4996/5, var_1_11=255/4, var_1_12=100000, var_1_13=8, var_1_14=2, var_1_15=32, var_1_16=64, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_2=1, var_1_3=1, var_1_4=254, var_1_5=0, var_1_6=10, var_1_7=65534, var_1_8=65534, var_1_9=50] [L107] CALL assume_abort_if_not(var_1_8 <= 65534) VAL [\old(cond)=1, isInitial=1, var_1_10=4996/5, var_1_11=255/4, var_1_12=100000, var_1_13=8, var_1_14=2, var_1_15=32, var_1_16=64, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_2=1, var_1_3=1, var_1_4=254, var_1_5=0, var_1_6=10, var_1_7=65534, var_1_8=65534, var_1_9=50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=4996/5, var_1_11=255/4, var_1_12=100000, var_1_13=8, var_1_14=2, var_1_15=32, var_1_16=64, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_2=1, var_1_3=1, var_1_4=254, var_1_5=0, var_1_6=10, var_1_7=65534, var_1_8=65534, var_1_9=50] [L107] RET assume_abort_if_not(var_1_8 <= 65534) VAL [isInitial=1, var_1_10=4996/5, var_1_11=255/4, var_1_12=100000, var_1_13=8, var_1_14=2, var_1_15=32, var_1_16=64, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_2=1, var_1_3=1, var_1_4=254, var_1_5=0, var_1_6=10, var_1_7=65534, var_1_8=65534, var_1_9=50] [L108] var_1_10 = __VERIFIER_nondet_float() [L109] CALL assume_abort_if_not((var_1_10 >= -922337.2036854776000e+13F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 9223372.036854776000e+12F && var_1_10 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=2, var_1_11=255/4, var_1_12=100000, var_1_13=8, var_1_14=2, var_1_15=32, var_1_16=64, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_2=1, var_1_3=1, var_1_4=254, var_1_5=0, var_1_6=10, var_1_7=65534, var_1_8=65534, var_1_9=50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=2, var_1_11=255/4, var_1_12=100000, var_1_13=8, var_1_14=2, var_1_15=32, var_1_16=64, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_2=1, var_1_3=1, var_1_4=254, var_1_5=0, var_1_6=10, var_1_7=65534, var_1_8=65534, var_1_9=50] [L109] RET assume_abort_if_not((var_1_10 >= -922337.2036854776000e+13F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 9223372.036854776000e+12F && var_1_10 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=2, var_1_11=255/4, var_1_12=100000, var_1_13=8, var_1_14=2, var_1_15=32, var_1_16=64, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_2=1, var_1_3=1, var_1_4=254, var_1_5=0, var_1_6=10, var_1_7=65534, var_1_8=65534, var_1_9=50] [L110] var_1_11 = __VERIFIER_nondet_float() [L111] CALL assume_abort_if_not((var_1_11 >= -922337.2036854776000e+13F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 9223372.036854776000e+12F && var_1_11 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=2, var_1_11=3, var_1_12=100000, var_1_13=8, var_1_14=2, var_1_15=32, var_1_16=64, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_2=1, var_1_3=1, var_1_4=254, var_1_5=0, var_1_6=10, var_1_7=65534, var_1_8=65534, var_1_9=50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=2, var_1_11=3, var_1_12=100000, var_1_13=8, var_1_14=2, var_1_15=32, var_1_16=64, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_2=1, var_1_3=1, var_1_4=254, var_1_5=0, var_1_6=10, var_1_7=65534, var_1_8=65534, var_1_9=50] [L111] RET assume_abort_if_not((var_1_11 >= -922337.2036854776000e+13F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 9223372.036854776000e+12F && var_1_11 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=2, var_1_11=3, var_1_12=100000, var_1_13=8, var_1_14=2, var_1_15=32, var_1_16=64, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_2=1, var_1_3=1, var_1_4=254, var_1_5=0, var_1_6=10, var_1_7=65534, var_1_8=65534, var_1_9=50] [L112] CALL assume_abort_if_not(var_1_11 != 0.0F) VAL [\old(cond)=1, isInitial=1, var_1_10=2, var_1_11=3, var_1_12=100000, var_1_13=8, var_1_14=2, var_1_15=32, var_1_16=64, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_2=1, var_1_3=1, var_1_4=254, var_1_5=0, var_1_6=10, var_1_7=65534, var_1_8=65534, var_1_9=50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=2, var_1_11=3, var_1_12=100000, var_1_13=8, var_1_14=2, var_1_15=32, var_1_16=64, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_2=1, var_1_3=1, var_1_4=254, var_1_5=0, var_1_6=10, var_1_7=65534, var_1_8=65534, var_1_9=50] [L112] RET assume_abort_if_not(var_1_11 != 0.0F) VAL [isInitial=1, var_1_10=2, var_1_11=3, var_1_12=100000, var_1_13=8, var_1_14=2, var_1_15=32, var_1_16=64, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_2=1, var_1_3=1, var_1_4=254, var_1_5=0, var_1_6=10, var_1_7=65534, var_1_8=65534, var_1_9=50] [L113] var_1_14 = __VERIFIER_nondet_long() [L114] CALL assume_abort_if_not(var_1_14 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=2, var_1_11=3, var_1_12=100000, var_1_13=8, var_1_14=1, var_1_15=32, var_1_16=64, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_2=1, var_1_3=1, var_1_4=254, var_1_5=0, var_1_6=10, var_1_7=65534, var_1_8=65534, var_1_9=50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=2, var_1_11=3, var_1_12=100000, var_1_13=8, var_1_14=1, var_1_15=32, var_1_16=64, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_2=1, var_1_3=1, var_1_4=254, var_1_5=0, var_1_6=10, var_1_7=65534, var_1_8=65534, var_1_9=50] [L114] RET assume_abort_if_not(var_1_14 >= 0) VAL [isInitial=1, var_1_10=2, var_1_11=3, var_1_12=100000, var_1_13=8, var_1_14=1, var_1_15=32, var_1_16=64, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_2=1, var_1_3=1, var_1_4=254, var_1_5=0, var_1_6=10, var_1_7=65534, var_1_8=65534, var_1_9=50] [L115] CALL assume_abort_if_not(var_1_14 <= 32) VAL [\old(cond)=1, isInitial=1, var_1_10=2, var_1_11=3, var_1_12=100000, var_1_13=8, var_1_14=1, var_1_15=32, var_1_16=64, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_2=1, var_1_3=1, var_1_4=254, var_1_5=0, var_1_6=10, var_1_7=65534, var_1_8=65534, var_1_9=50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=2, var_1_11=3, var_1_12=100000, var_1_13=8, var_1_14=1, var_1_15=32, var_1_16=64, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_2=1, var_1_3=1, var_1_4=254, var_1_5=0, var_1_6=10, var_1_7=65534, var_1_8=65534, var_1_9=50] [L115] RET assume_abort_if_not(var_1_14 <= 32) VAL [isInitial=1, var_1_10=2, var_1_11=3, var_1_12=100000, var_1_13=8, var_1_14=1, var_1_15=32, var_1_16=64, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_2=1, var_1_3=1, var_1_4=254, var_1_5=0, var_1_6=10, var_1_7=65534, var_1_8=65534, var_1_9=50] [L116] var_1_15 = __VERIFIER_nondet_long() [L117] CALL assume_abort_if_not(var_1_15 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=2, var_1_11=3, var_1_12=100000, var_1_13=8, var_1_14=1, var_1_15=2, var_1_16=64, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_2=1, var_1_3=1, var_1_4=254, var_1_5=0, var_1_6=10, var_1_7=65534, var_1_8=65534, var_1_9=50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=2, var_1_11=3, var_1_12=100000, var_1_13=8, var_1_14=1, var_1_15=2, var_1_16=64, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_2=1, var_1_3=1, var_1_4=254, var_1_5=0, var_1_6=10, var_1_7=65534, var_1_8=65534, var_1_9=50] [L117] RET assume_abort_if_not(var_1_15 >= 0) VAL [isInitial=1, var_1_10=2, var_1_11=3, var_1_12=100000, var_1_13=8, var_1_14=1, var_1_15=2, var_1_16=64, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_2=1, var_1_3=1, var_1_4=254, var_1_5=0, var_1_6=10, var_1_7=65534, var_1_8=65534, var_1_9=50] [L118] CALL assume_abort_if_not(var_1_15 <= 32) VAL [\old(cond)=1, isInitial=1, var_1_10=2, var_1_11=3, var_1_12=100000, var_1_13=8, var_1_14=1, var_1_15=2, var_1_16=64, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_2=1, var_1_3=1, var_1_4=254, var_1_5=0, var_1_6=10, var_1_7=65534, var_1_8=65534, var_1_9=50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=2, var_1_11=3, var_1_12=100000, var_1_13=8, var_1_14=1, var_1_15=2, var_1_16=64, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_2=1, var_1_3=1, var_1_4=254, var_1_5=0, var_1_6=10, var_1_7=65534, var_1_8=65534, var_1_9=50] [L118] RET assume_abort_if_not(var_1_15 <= 32) VAL [isInitial=1, var_1_10=2, var_1_11=3, var_1_12=100000, var_1_13=8, var_1_14=1, var_1_15=2, var_1_16=64, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_2=1, var_1_3=1, var_1_4=254, var_1_5=0, var_1_6=10, var_1_7=65534, var_1_8=65534, var_1_9=50] [L119] var_1_16 = __VERIFIER_nondet_ushort() [L120] CALL assume_abort_if_not(var_1_16 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=2, var_1_11=3, var_1_12=100000, var_1_13=8, var_1_14=1, var_1_15=2, var_1_16=65534, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_2=1, var_1_3=1, var_1_4=254, var_1_5=0, var_1_6=10, var_1_7=65534, var_1_8=65534, var_1_9=50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=2, var_1_11=3, var_1_12=100000, var_1_13=8, var_1_14=1, var_1_15=2, var_1_16=65534, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_2=1, var_1_3=1, var_1_4=254, var_1_5=0, var_1_6=10, var_1_7=65534, var_1_8=65534, var_1_9=50] [L120] RET assume_abort_if_not(var_1_16 >= 0) VAL [isInitial=1, var_1_10=2, var_1_11=3, var_1_12=100000, var_1_13=8, var_1_14=1, var_1_15=2, var_1_16=65534, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_2=1, var_1_3=1, var_1_4=254, var_1_5=0, var_1_6=10, var_1_7=65534, var_1_8=65534, var_1_9=50] [L121] CALL assume_abort_if_not(var_1_16 <= 65534) VAL [\old(cond)=1, isInitial=1, var_1_10=2, var_1_11=3, var_1_12=100000, var_1_13=8, var_1_14=1, var_1_15=2, var_1_16=65534, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_2=1, var_1_3=1, var_1_4=254, var_1_5=0, var_1_6=10, var_1_7=65534, var_1_8=65534, var_1_9=50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=2, var_1_11=3, var_1_12=100000, var_1_13=8, var_1_14=1, var_1_15=2, var_1_16=65534, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_2=1, var_1_3=1, var_1_4=254, var_1_5=0, var_1_6=10, var_1_7=65534, var_1_8=65534, var_1_9=50] [L121] RET assume_abort_if_not(var_1_16 <= 65534) VAL [isInitial=1, var_1_10=2, var_1_11=3, var_1_12=100000, var_1_13=8, var_1_14=1, var_1_15=2, var_1_16=65534, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_2=1, var_1_3=1, var_1_4=254, var_1_5=0, var_1_6=10, var_1_7=65534, var_1_8=65534, var_1_9=50] [L122] var_1_18 = __VERIFIER_nondet_double() [L123] CALL assume_abort_if_not((var_1_18 >= -922337.2036854765600e+13F && var_1_18 <= -1.0e-20F) || (var_1_18 <= 9223372.036854765600e+12F && var_1_18 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=2, var_1_11=3, var_1_12=100000, var_1_13=8, var_1_14=1, var_1_15=2, var_1_16=65534, var_1_17=255/2, var_1_18=4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_2=1, var_1_3=1, var_1_4=254, var_1_5=0, var_1_6=10, var_1_7=65534, var_1_8=65534, var_1_9=50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=2, var_1_11=3, var_1_12=100000, var_1_13=8, var_1_14=1, var_1_15=2, var_1_16=65534, var_1_17=255/2, var_1_18=4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_2=1, var_1_3=1, var_1_4=254, var_1_5=0, var_1_6=10, var_1_7=65534, var_1_8=65534, var_1_9=50] [L123] RET assume_abort_if_not((var_1_18 >= -922337.2036854765600e+13F && var_1_18 <= -1.0e-20F) || (var_1_18 <= 9223372.036854765600e+12F && var_1_18 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=2, var_1_11=3, var_1_12=100000, var_1_13=8, var_1_14=1, var_1_15=2, var_1_16=65534, var_1_17=255/2, var_1_18=4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_2=1, var_1_3=1, var_1_4=254, var_1_5=0, var_1_6=10, var_1_7=65534, var_1_8=65534, var_1_9=50] [L136] RET updateVariables() [L137] CALL step() [L45] unsigned char stepLocal_0 = var_1_3; VAL [isInitial=1, stepLocal_0=1, var_1_10=2, var_1_11=3, var_1_12=100000, var_1_13=8, var_1_14=1, var_1_15=2, var_1_16=65534, var_1_17=255/2, var_1_18=4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_2=1, var_1_3=1, var_1_4=254, var_1_5=0, var_1_6=10, var_1_7=65534, var_1_8=65534, var_1_9=50] [L46] COND TRUE var_1_2 && stepLocal_0 [L47] var_1_1 = (var_1_4 - var_1_5) VAL [isInitial=1, stepLocal_0=1, var_1_10=2, var_1_11=3, var_1_12=100000, var_1_13=8, var_1_14=1, var_1_15=2, var_1_16=65534, var_1_17=255/2, var_1_18=4, var_1_19=0, var_1_1=254, var_1_20=128, var_1_2=1, var_1_3=1, var_1_4=254, var_1_5=0, var_1_6=10, var_1_7=65534, var_1_8=65534, var_1_9=50] [L51] COND FALSE !(var_1_1 <= (var_1_5 * var_1_4)) [L58] var_1_6 = var_1_5 VAL [isInitial=1, stepLocal_0=1, var_1_10=2, var_1_11=3, var_1_12=100000, var_1_13=8, var_1_14=1, var_1_15=2, var_1_16=65534, var_1_17=255/2, var_1_18=4, var_1_19=0, var_1_1=254, var_1_20=128, var_1_2=1, var_1_3=1, var_1_4=254, var_1_5=0, var_1_6=0, var_1_7=65534, var_1_8=65534, var_1_9=50] [L60] COND FALSE !(-100000 >= var_1_1) VAL [isInitial=1, stepLocal_0=1, var_1_10=2, var_1_11=3, var_1_12=100000, var_1_13=8, var_1_14=1, var_1_15=2, var_1_16=65534, var_1_17=255/2, var_1_18=4, var_1_19=0, var_1_1=254, var_1_20=128, var_1_2=1, var_1_3=1, var_1_4=254, var_1_5=0, var_1_6=0, var_1_7=65534, var_1_8=65534, var_1_9=50] [L63] COND FALSE !((var_1_10 / var_1_11) == 999999.6f) VAL [isInitial=1, stepLocal_0=1, var_1_10=2, var_1_11=3, var_1_12=100000, var_1_13=8, var_1_14=1, var_1_15=2, var_1_16=65534, var_1_17=255/2, var_1_18=4, var_1_19=0, var_1_1=254, var_1_20=128, var_1_2=1, var_1_3=1, var_1_4=254, var_1_5=0, var_1_6=0, var_1_7=65534, var_1_8=65534, var_1_9=50] [L67] COND TRUE var_1_6 < var_1_1 VAL [isInitial=1, stepLocal_0=1, var_1_10=2, var_1_11=3, var_1_12=100000, var_1_13=8, var_1_14=1, var_1_15=2, var_1_16=65534, var_1_17=255/2, var_1_18=4, var_1_19=0, var_1_1=254, var_1_20=128, var_1_2=1, var_1_3=1, var_1_4=254, var_1_5=0, var_1_6=0, var_1_7=65534, var_1_8=65534, var_1_9=50] [L68] COND FALSE !(var_1_5 == (~ (var_1_6 + var_1_1))) [L71] var_1_12 = ((((var_1_1) < (var_1_8)) ? (var_1_1) : (var_1_8))) VAL [isInitial=1, stepLocal_0=1, var_1_10=2, var_1_11=3, var_1_12=254, var_1_13=8, var_1_14=1, var_1_15=2, var_1_16=65534, var_1_17=255/2, var_1_18=4, var_1_19=0, var_1_1=254, var_1_20=128, var_1_2=1, var_1_3=1, var_1_4=254, var_1_5=0, var_1_6=0, var_1_7=65534, var_1_8=65534, var_1_9=50] [L76] EXPR -4 >> ((((var_1_14) < (var_1_15)) ? (var_1_14) : (var_1_15))) VAL [-4 >> ((((var_1_14) < (var_1_15)) ? (var_1_14) : (var_1_15)))=-5, isInitial=1, stepLocal_0=1, var_1_10=2, var_1_11=3, var_1_12=254, var_1_13=8, var_1_14=1, var_1_15=2, var_1_16=65534, var_1_17=255/2, var_1_18=4, var_1_19=0, var_1_1=254, var_1_20=128, var_1_2=1, var_1_3=1, var_1_4=254, var_1_5=0, var_1_6=0, var_1_7=65534, var_1_8=65534, var_1_9=50] [L76] EXPR var_1_7 | ((((var_1_8) > (var_1_6)) ? (var_1_8) : (var_1_6))) VAL [-4 >> ((((var_1_14) < (var_1_15)) ? (var_1_14) : (var_1_15)))=-5, isInitial=1, stepLocal_0=1, var_1_10=2, var_1_11=3, var_1_12=254, var_1_13=8, var_1_14=1, var_1_15=2, var_1_16=65534, var_1_17=255/2, var_1_18=4, var_1_19=0, var_1_1=254, var_1_20=128, var_1_2=1, var_1_3=1, var_1_4=254, var_1_5=0, var_1_6=0, var_1_7 | ((((var_1_8) > (var_1_6)) ? (var_1_8) : (var_1_6)))=65534, var_1_7=65534, var_1_8=65534, var_1_9=50] [L76] COND FALSE !((-4 >> ((((var_1_14) < (var_1_15)) ? (var_1_14) : (var_1_15)))) >= (var_1_7 | ((((var_1_8) > (var_1_6)) ? (var_1_8) : (var_1_6))))) [L83] var_1_13 = var_1_16 VAL [isInitial=1, stepLocal_0=1, var_1_10=2, var_1_11=3, var_1_12=254, var_1_13=65534, var_1_14=1, var_1_15=2, var_1_16=65534, var_1_17=255/2, var_1_18=4, var_1_19=0, var_1_1=254, var_1_20=128, var_1_2=1, var_1_3=1, var_1_4=254, var_1_5=0, var_1_6=0, var_1_7=65534, var_1_8=65534, var_1_9=50] [L85] var_1_17 = var_1_18 [L86] var_1_19 = 5 [L87] var_1_20 = var_1_15 VAL [isInitial=1, stepLocal_0=1, var_1_10=2, var_1_11=3, var_1_12=254, var_1_13=65534, var_1_14=1, var_1_15=2, var_1_16=65534, var_1_17=4, var_1_18=4, var_1_19=5, var_1_1=254, var_1_20=2, var_1_2=1, var_1_3=1, var_1_4=254, var_1_5=0, var_1_6=0, var_1_7=65534, var_1_8=65534, var_1_9=50] [L137] RET step() [L138] CALL, EXPR property() [L128] EXPR (((((var_1_2 && var_1_3) ? (var_1_1 == ((unsigned char) (var_1_4 - var_1_5))) : (var_1_1 == ((unsigned char) (var_1_4 - var_1_5)))) && ((var_1_1 <= (var_1_5 * var_1_4)) ? (var_1_2 ? (var_1_6 == ((unsigned short int) (((((var_1_7) < (var_1_8)) ? (var_1_7) : (var_1_8))) - var_1_5))) : (var_1_6 == ((unsigned short int) var_1_5))) : (var_1_6 == ((unsigned short int) var_1_5)))) && ((-100000 >= var_1_1) ? (var_1_9 == ((unsigned short int) (((((var_1_1 + var_1_5)) > (64)) ? ((var_1_1 + var_1_5)) : (64))))) : (((var_1_10 / var_1_11) == 999999.6f) ? (var_1_9 == ((unsigned short int) var_1_7)) : 1))) && ((var_1_6 < var_1_1) ? ((var_1_5 == (~ (var_1_6 + var_1_1))) ? (var_1_12 == ((signed long int) (((((var_1_5) > (((((-1) < (var_1_6)) ? (-1) : (var_1_6))))) ? (var_1_5) : (((((-1) < (var_1_6)) ? (-1) : (var_1_6)))))) - 1000))) : (var_1_12 == ((signed long int) ((((var_1_1) < (var_1_8)) ? (var_1_1) : (var_1_8)))))) : (var_1_12 == ((signed long int) var_1_9)))) && (((-4 >> ((((var_1_14) < (var_1_15)) ? (var_1_14) : (var_1_15)))) >= (var_1_7 | ((((var_1_8) > (var_1_6)) ? (var_1_8) : (var_1_6))))) ? (var_1_3 ? (var_1_13 == ((unsigned short int) var_1_1)) : (var_1_13 == ((unsigned short int) var_1_4))) : (var_1_13 == ((unsigned short int) var_1_16))) VAL [(((((var_1_2 && var_1_3) ? (var_1_1 == ((unsigned char) (var_1_4 - var_1_5))) : (var_1_1 == ((unsigned char) (var_1_4 - var_1_5)))) && ((var_1_1 <= (var_1_5 * var_1_4)) ? (var_1_2 ? (var_1_6 == ((unsigned short int) (((((var_1_7) < (var_1_8)) ? (var_1_7) : (var_1_8))) - var_1_5))) : (var_1_6 == ((unsigned short int) var_1_5))) : (var_1_6 == ((unsigned short int) var_1_5)))) && ((-100000 >= var_1_1) ? (var_1_9 == ((unsigned short int) (((((var_1_1 + var_1_5)) > (64)) ? ((var_1_1 + var_1_5)) : (64))))) : (((var_1_10 / var_1_11) == 999999.6f) ? (var_1_9 == ((unsigned short int) var_1_7)) : 1))) && ((var_1_6 < var_1_1) ? ((var_1_5 == (~ (var_1_6 + var_1_1))) ? (var_1_12 == ((signed long int) (((((var_1_5) > (((((-1) < (var_1_6)) ? (-1) : (var_1_6))))) ? (var_1_5) : (((((-1) < (var_1_6)) ? (-1) : (var_1_6)))))) - 1000))) : (var_1_12 == ((signed long int) ((((var_1_1) < (var_1_8)) ? (var_1_1) : (var_1_8)))))) : (var_1_12 == ((signed long int) var_1_9)))) && (((-4 >> ((((var_1_14) < (var_1_15)) ? (var_1_14) : (var_1_15)))) >= (var_1_7 | ((((var_1_8) > (var_1_6)) ? (var_1_8) : (var_1_6))))) ? (var_1_3 ? (var_1_13 == ((unsigned short int) var_1_1)) : (var_1_13 == ((unsigned short int) var_1_4))) : (var_1_13 == ((unsigned short int) var_1_16)))=0, isInitial=1, var_1_10=2, var_1_11=3, var_1_12=254, var_1_13=65534, var_1_14=1, var_1_15=2, var_1_16=65534, var_1_17=4, var_1_18=4, var_1_19=5, var_1_1=254, var_1_20=2, var_1_2=1, var_1_3=1, var_1_4=254, var_1_5=0, var_1_6=0, var_1_7=65534, var_1_8=65534, var_1_9=50] [L128-L129] return ((((((((var_1_2 && var_1_3) ? (var_1_1 == ((unsigned char) (var_1_4 - var_1_5))) : (var_1_1 == ((unsigned char) (var_1_4 - var_1_5)))) && ((var_1_1 <= (var_1_5 * var_1_4)) ? (var_1_2 ? (var_1_6 == ((unsigned short int) (((((var_1_7) < (var_1_8)) ? (var_1_7) : (var_1_8))) - var_1_5))) : (var_1_6 == ((unsigned short int) var_1_5))) : (var_1_6 == ((unsigned short int) var_1_5)))) && ((-100000 >= var_1_1) ? (var_1_9 == ((unsigned short int) (((((var_1_1 + var_1_5)) > (64)) ? ((var_1_1 + var_1_5)) : (64))))) : (((var_1_10 / var_1_11) == 999999.6f) ? (var_1_9 == ((unsigned short int) var_1_7)) : 1))) && ((var_1_6 < var_1_1) ? ((var_1_5 == (~ (var_1_6 + var_1_1))) ? (var_1_12 == ((signed long int) (((((var_1_5) > (((((-1) < (var_1_6)) ? (-1) : (var_1_6))))) ? (var_1_5) : (((((-1) < (var_1_6)) ? (-1) : (var_1_6)))))) - 1000))) : (var_1_12 == ((signed long int) ((((var_1_1) < (var_1_8)) ? (var_1_1) : (var_1_8)))))) : (var_1_12 == ((signed long int) var_1_9)))) && (((-4 >> ((((var_1_14) < (var_1_15)) ? (var_1_14) : (var_1_15)))) >= (var_1_7 | ((((var_1_8) > (var_1_6)) ? (var_1_8) : (var_1_6))))) ? (var_1_3 ? (var_1_13 == ((unsigned short int) var_1_1)) : (var_1_13 == ((unsigned short int) var_1_4))) : (var_1_13 == ((unsigned short int) var_1_16)))) && (var_1_17 == ((double) var_1_18))) && (var_1_19 == ((signed char) 5))) && (var_1_20 == ((unsigned long int) var_1_15)) ; [L138] RET, EXPR property() [L138] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, var_1_10=2, var_1_11=3, var_1_12=254, var_1_13=65534, var_1_14=1, var_1_15=2, var_1_16=65534, var_1_17=4, var_1_18=4, var_1_19=5, var_1_1=254, var_1_20=2, var_1_2=1, var_1_3=1, var_1_4=254, var_1_5=0, var_1_6=0, var_1_7=65534, var_1_8=65534, var_1_9=50] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, var_1_10=2, var_1_11=3, var_1_12=254, var_1_13=65534, var_1_14=1, var_1_15=2, var_1_16=65534, var_1_17=4, var_1_18=4, var_1_19=5, var_1_1=254, var_1_20=2, var_1_2=1, var_1_3=1, var_1_4=254, var_1_5=0, var_1_6=0, var_1_7=65534, var_1_8=65534, var_1_9=50] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 72 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 117.2s, OverallIterations: 5, TraceHistogramMax: 22, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 69.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 865 SdHoareTripleChecker+Valid, 21.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 861 mSDsluCounter, 1759 SdHoareTripleChecker+Invalid, 21.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1289 mSDsCounter, 221 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1658 IncrementalHoareTripleChecker+Invalid, 1879 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 221 mSolverCounterUnsat, 470 mSDtfsCounter, 1658 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1067 GetRequests, 930 SyntacticMatches, 0 SemanticMatches, 137 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2365 ImplicationChecksByTransitivity, 60.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=105occurred in iteration=4, InterpolantAutomatonStates: 90, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 4 MinimizatonAttempts, 357 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 1.6s SatisfiabilityAnalysisTime, 44.1s InterpolantComputationTime, 852 NumberOfCodeBlocks, 852 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 988 ConstructedInterpolants, 0 QuantifiedInterpolants, 11452 SizeOfPredicates, 33 NumberOfNonLiveVariables, 1343 ConjunctsInSsa, 103 ConjunctsInUnsatCore, 7 InterpolantComputations, 3 PerfectInterpolantSequences, 5832/6468 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 22:35:21,809 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f9bec99-d0d3-4cd0-be37-3871cf883090/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_8f9bec99-d0d3-4cd0-be37-3871cf883090/bin/uautomizer-verify-WvqO1wxjHP/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f9bec99-d0d3-4cd0-be37-3871cf883090/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_8f9bec99-d0d3-4cd0-be37-3871cf883090/bin/uautomizer-verify-WvqO1wxjHP/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f9bec99-d0d3-4cd0-be37-3871cf883090/bin/uautomizer-verify-WvqO1wxjHP/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-46.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f9bec99-d0d3-4cd0-be37-3871cf883090/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_8f9bec99-d0d3-4cd0-be37-3871cf883090/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 7524697c66e1a4ecd762521f8a604e650820f18fffb82d104752941738ae4cd5 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-e7bb482 [2023-11-06 22:35:24,718 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-06 22:35:24,879 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f9bec99-d0d3-4cd0-be37-3871cf883090/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-11-06 22:35:24,890 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-06 22:35:24,892 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-06 22:35:24,945 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-06 22:35:24,947 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-06 22:35:24,947 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-06 22:35:24,949 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-06 22:35:24,955 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-06 22:35:24,956 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-06 22:35:24,957 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-06 22:35:24,957 INFO L153 SettingsManager]: * Use SBE=true [2023-11-06 22:35:24,960 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-06 22:35:24,961 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-06 22:35:24,961 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-06 22:35:24,962 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-06 22:35:24,962 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-06 22:35:24,963 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-06 22:35:24,963 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-06 22:35:24,964 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-06 22:35:24,964 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-06 22:35:24,965 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-06 22:35:24,965 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-06 22:35:24,966 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-06 22:35:24,966 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-06 22:35:24,967 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-06 22:35:24,967 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-06 22:35:24,968 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-06 22:35:24,968 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-06 22:35:24,970 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:35:24,970 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-06 22:35:24,970 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-06 22:35:24,971 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-11-06 22:35:24,971 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-06 22:35:24,972 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-06 22:35:24,972 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-06 22:35:24,972 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-06 22:35:24,972 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-06 22:35:24,974 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-06 22:35:24,974 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-06 22:35:24,975 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-06 22:35:24,975 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_8f9bec99-d0d3-4cd0-be37-3871cf883090/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f9bec99-d0d3-4cd0-be37-3871cf883090/bin/uautomizer-verify-WvqO1wxjHP Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7524697c66e1a4ecd762521f8a604e650820f18fffb82d104752941738ae4cd5 [2023-11-06 22:35:25,500 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-06 22:35:25,533 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-06 22:35:25,537 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-06 22:35:25,539 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-06 22:35:25,540 INFO L274 PluginConnector]: CDTParser initialized [2023-11-06 22:35:25,541 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f9bec99-d0d3-4cd0-be37-3871cf883090/bin/uautomizer-verify-WvqO1wxjHP/../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-46.i [2023-11-06 22:35:29,021 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-06 22:35:29,400 INFO L384 CDTParser]: Found 1 translation units. [2023-11-06 22:35:29,402 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f9bec99-d0d3-4cd0-be37-3871cf883090/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-46.i [2023-11-06 22:35:29,419 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f9bec99-d0d3-4cd0-be37-3871cf883090/bin/uautomizer-verify-WvqO1wxjHP/data/ef04f9b77/bb63963ab81a4a54aa45ffbdcf773e61/FLAGa4315ea82 [2023-11-06 22:35:29,441 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f9bec99-d0d3-4cd0-be37-3871cf883090/bin/uautomizer-verify-WvqO1wxjHP/data/ef04f9b77/bb63963ab81a4a54aa45ffbdcf773e61 [2023-11-06 22:35:29,448 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-06 22:35:29,450 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-06 22:35:29,454 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-06 22:35:29,454 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-06 22:35:29,461 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-06 22:35:29,462 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:35:29" (1/1) ... [2023-11-06 22:35:29,463 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@35ffa7a8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:35:29, skipping insertion in model container [2023-11-06 22:35:29,464 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:35:29" (1/1) ... [2023-11-06 22:35:29,519 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 22:35:29,764 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_8f9bec99-d0d3-4cd0-be37-3871cf883090/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-46.i[917,930] [2023-11-06 22:35:29,897 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:35:29,925 INFO L202 MainTranslator]: Completed pre-run [2023-11-06 22:35:29,950 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_8f9bec99-d0d3-4cd0-be37-3871cf883090/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-46.i[917,930] [2023-11-06 22:35:30,024 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:35:30,088 INFO L206 MainTranslator]: Completed translation [2023-11-06 22:35:30,099 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:35:30 WrapperNode [2023-11-06 22:35:30,099 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-06 22:35:30,101 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-06 22:35:30,101 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-06 22:35:30,102 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-06 22:35:30,146 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:35:30" (1/1) ... [2023-11-06 22:35:30,179 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:35:30" (1/1) ... [2023-11-06 22:35:30,238 INFO L138 Inliner]: procedures = 27, calls = 35, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 138 [2023-11-06 22:35:30,240 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-06 22:35:30,241 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-06 22:35:30,242 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-06 22:35:30,242 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-06 22:35:30,255 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:35:30" (1/1) ... [2023-11-06 22:35:30,255 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:35:30" (1/1) ... [2023-11-06 22:35:30,272 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:35:30" (1/1) ... [2023-11-06 22:35:30,274 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:35:30" (1/1) ... [2023-11-06 22:35:30,296 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:35:30" (1/1) ... [2023-11-06 22:35:30,312 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:35:30" (1/1) ... [2023-11-06 22:35:30,316 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:35:30" (1/1) ... [2023-11-06 22:35:30,326 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:35:30" (1/1) ... [2023-11-06 22:35:30,337 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-06 22:35:30,338 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-06 22:35:30,339 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-06 22:35:30,339 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-06 22:35:30,340 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:35:30" (1/1) ... [2023-11-06 22:35:30,349 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:35:30,368 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f9bec99-d0d3-4cd0-be37-3871cf883090/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:35:30,388 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f9bec99-d0d3-4cd0-be37-3871cf883090/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-06 22:35:30,431 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f9bec99-d0d3-4cd0-be37-3871cf883090/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-06 22:35:30,444 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-06 22:35:30,444 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-06 22:35:30,445 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-06 22:35:30,445 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-06 22:35:30,445 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-06 22:35:30,445 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-06 22:35:30,602 INFO L236 CfgBuilder]: Building ICFG [2023-11-06 22:35:30,605 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-06 22:35:33,487 INFO L277 CfgBuilder]: Performing block encoding [2023-11-06 22:35:33,496 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-06 22:35:33,497 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-06 22:35:33,499 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:35:33 BoogieIcfgContainer [2023-11-06 22:35:33,500 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-06 22:35:33,504 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-06 22:35:33,504 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-06 22:35:33,509 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-06 22:35:33,509 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 10:35:29" (1/3) ... [2023-11-06 22:35:33,510 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@174d532d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:35:33, skipping insertion in model container [2023-11-06 22:35:33,510 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:35:30" (2/3) ... [2023-11-06 22:35:33,511 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@174d532d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:35:33, skipping insertion in model container [2023-11-06 22:35:33,511 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:35:33" (3/3) ... [2023-11-06 22:35:33,513 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_codestructure_steplocals_file-46.i [2023-11-06 22:35:33,539 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-06 22:35:33,539 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-06 22:35:33,605 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-06 22:35:33,614 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;@19a0071b, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-06 22:35:33,614 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-06 22:35:33,621 INFO L276 IsEmpty]: Start isEmpty. Operand has 63 states, 38 states have (on average 1.368421052631579) internal successors, (52), 39 states have internal predecessors, (52), 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 22:35:33,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2023-11-06 22:35:33,641 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:35:33,642 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] [2023-11-06 22:35:33,643 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:35:33,650 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:35:33,650 INFO L85 PathProgramCache]: Analyzing trace with hash -250232366, now seen corresponding path program 1 times [2023-11-06 22:35:33,668 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-06 22:35:33,669 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1714404141] [2023-11-06 22:35:33,669 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:35:33,670 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 22:35:33,670 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f9bec99-d0d3-4cd0-be37-3871cf883090/bin/uautomizer-verify-WvqO1wxjHP/mathsat [2023-11-06 22:35:33,695 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f9bec99-d0d3-4cd0-be37-3871cf883090/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 22:35:33,697 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f9bec99-d0d3-4cd0-be37-3871cf883090/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 22:35:34,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:35:34,301 INFO L262 TraceCheckSpWp]: Trace formula consists of 223 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-06 22:35:34,319 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:35:34,381 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 22:35:34,382 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:35:34,403 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-06 22:35:34,403 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1714404141] [2023-11-06 22:35:34,404 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1714404141] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:35:34,404 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:35:34,405 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-06 22:35:34,407 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1554002011] [2023-11-06 22:35:34,409 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:35:34,416 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-06 22:35:34,416 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-06 22:35:34,468 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-06 22:35:34,469 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-06 22:35:34,473 INFO L87 Difference]: Start difference. First operand has 63 states, 38 states have (on average 1.368421052631579) internal successors, (52), 39 states have internal predecessors, (52), 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 17.0) internal successors, (34), 2 states have internal predecessors, (34), 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 22:35:34,528 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:35:34,528 INFO L93 Difference]: Finished difference Result 118 states and 206 transitions. [2023-11-06 22:35:34,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-06 22:35:34,531 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 17.0) internal successors, (34), 2 states have internal predecessors, (34), 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 137 [2023-11-06 22:35:34,532 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:35:34,541 INFO L225 Difference]: With dead ends: 118 [2023-11-06 22:35:34,542 INFO L226 Difference]: Without dead ends: 58 [2023-11-06 22:35:34,547 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 136 GetRequests, 136 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 22:35:34,552 INFO L413 NwaCegarLoop]: 84 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, 84 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 22:35:34,553 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 84 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 22:35:34,574 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58 states. [2023-11-06 22:35:34,607 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58 to 58. [2023-11-06 22:35:34,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 58 states, 34 states have (on average 1.1764705882352942) internal successors, (40), 34 states have internal predecessors, (40), 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 22:35:34,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 84 transitions. [2023-11-06 22:35:34,615 INFO L78 Accepts]: Start accepts. Automaton has 58 states and 84 transitions. Word has length 137 [2023-11-06 22:35:34,615 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:35:34,615 INFO L495 AbstractCegarLoop]: Abstraction has 58 states and 84 transitions. [2023-11-06 22:35:34,616 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 17.0) internal successors, (34), 2 states have internal predecessors, (34), 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 22:35:34,616 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 84 transitions. [2023-11-06 22:35:34,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2023-11-06 22:35:34,622 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:35:34,622 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] [2023-11-06 22:35:34,652 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f9bec99-d0d3-4cd0-be37-3871cf883090/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2023-11-06 22:35:34,838 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f9bec99-d0d3-4cd0-be37-3871cf883090/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 22:35:34,839 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:35:34,840 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:35:34,840 INFO L85 PathProgramCache]: Analyzing trace with hash 1348772776, now seen corresponding path program 1 times [2023-11-06 22:35:34,841 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-06 22:35:34,842 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [835362816] [2023-11-06 22:35:34,842 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:35:34,842 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 22:35:34,842 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f9bec99-d0d3-4cd0-be37-3871cf883090/bin/uautomizer-verify-WvqO1wxjHP/mathsat [2023-11-06 22:35:34,846 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f9bec99-d0d3-4cd0-be37-3871cf883090/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 22:35:34,891 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f9bec99-d0d3-4cd0-be37-3871cf883090/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 22:35:35,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:35:35,454 INFO L262 TraceCheckSpWp]: Trace formula consists of 225 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-06 22:35:35,465 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:35:37,299 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 436 proven. 90 refuted. 0 times theorem prover too weak. 398 trivial. 0 not checked. [2023-11-06 22:35:37,299 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-06 22:35:39,293 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 22:35:39,294 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-06 22:35:39,295 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [835362816] [2023-11-06 22:35:39,295 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [835362816] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-06 22:35:39,296 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-06 22:35:39,297 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 7] total 15 [2023-11-06 22:35:39,300 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [635202066] [2023-11-06 22:35:39,301 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-06 22:35:39,304 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2023-11-06 22:35:39,307 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-06 22:35:39,309 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2023-11-06 22:35:39,310 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=149, Unknown=0, NotChecked=0, Total=210 [2023-11-06 22:35:39,311 INFO L87 Difference]: Start difference. First operand 58 states and 84 transitions. Second operand has 15 states, 15 states have (on average 4.066666666666666) internal successors, (61), 15 states have internal predecessors, (61), 4 states have call successors, (39), 3 states have call predecessors, (39), 6 states have return successors, (40), 4 states have call predecessors, (40), 4 states have call successors, (40) [2023-11-06 22:35:48,816 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:35:48,817 INFO L93 Difference]: Finished difference Result 277 states and 370 transitions. [2023-11-06 22:35:48,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2023-11-06 22:35:48,818 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 4.066666666666666) internal successors, (61), 15 states have internal predecessors, (61), 4 states have call successors, (39), 3 states have call predecessors, (39), 6 states have return successors, (40), 4 states have call predecessors, (40), 4 states have call successors, (40) Word has length 138 [2023-11-06 22:35:48,820 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:35:48,828 INFO L225 Difference]: With dead ends: 277 [2023-11-06 22:35:48,828 INFO L226 Difference]: Without dead ends: 222 [2023-11-06 22:35:48,832 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 317 GetRequests, 265 SyntacticMatches, 0 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 800 ImplicationChecksByTransitivity, 5.7s TimeCoverageRelationStatistics Valid=767, Invalid=2095, Unknown=0, NotChecked=0, Total=2862 [2023-11-06 22:35:48,834 INFO L413 NwaCegarLoop]: 85 mSDtfsCounter, 282 mSDsluCounter, 219 mSDsCounter, 0 mSdLazyCounter, 567 mSolverCounterSat, 174 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 286 SdHoareTripleChecker+Valid, 304 SdHoareTripleChecker+Invalid, 741 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 174 IncrementalHoareTripleChecker+Valid, 567 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.6s IncrementalHoareTripleChecker+Time [2023-11-06 22:35:48,835 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [286 Valid, 304 Invalid, 741 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [174 Valid, 567 Invalid, 0 Unknown, 0 Unchecked, 4.6s Time] [2023-11-06 22:35:48,837 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 222 states. [2023-11-06 22:35:48,897 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 222 to 138. [2023-11-06 22:35:48,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 138 states, 81 states have (on average 1.0987654320987654) internal successors, (89), 83 states have internal predecessors, (89), 48 states have call successors, (48), 8 states have call predecessors, (48), 8 states have return successors, (48), 46 states have call predecessors, (48), 48 states have call successors, (48) [2023-11-06 22:35:48,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 138 states and 185 transitions. [2023-11-06 22:35:48,903 INFO L78 Accepts]: Start accepts. Automaton has 138 states and 185 transitions. Word has length 138 [2023-11-06 22:35:48,905 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:35:48,905 INFO L495 AbstractCegarLoop]: Abstraction has 138 states and 185 transitions. [2023-11-06 22:35:48,906 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 4.066666666666666) internal successors, (61), 15 states have internal predecessors, (61), 4 states have call successors, (39), 3 states have call predecessors, (39), 6 states have return successors, (40), 4 states have call predecessors, (40), 4 states have call successors, (40) [2023-11-06 22:35:48,906 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 185 transitions. [2023-11-06 22:35:48,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2023-11-06 22:35:48,910 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:35:48,910 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] [2023-11-06 22:35:48,939 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f9bec99-d0d3-4cd0-be37-3871cf883090/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2023-11-06 22:35:49,125 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f9bec99-d0d3-4cd0-be37-3871cf883090/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 22:35:49,126 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:35:49,127 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:35:49,127 INFO L85 PathProgramCache]: Analyzing trace with hash 1612848515, now seen corresponding path program 1 times [2023-11-06 22:35:49,128 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-06 22:35:49,128 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1459748479] [2023-11-06 22:35:49,128 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:35:49,129 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 22:35:49,129 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f9bec99-d0d3-4cd0-be37-3871cf883090/bin/uautomizer-verify-WvqO1wxjHP/mathsat [2023-11-06 22:35:49,131 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f9bec99-d0d3-4cd0-be37-3871cf883090/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 22:35:49,136 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f9bec99-d0d3-4cd0-be37-3871cf883090/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2023-11-06 22:35:49,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:35:49,674 INFO L262 TraceCheckSpWp]: Trace formula consists of 226 conjuncts, 19 conjunts are in the unsatisfiable core [2023-11-06 22:35:49,682 INFO L285 TraceCheckSpWp]: Computing forward predicates...