./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-59.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version cf1a7837 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b723e892-55aa-4987-a2e8-5a6c0325bae1/bin/uautomizer-verify-uTZkv6EMXl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b723e892-55aa-4987-a2e8-5a6c0325bae1/bin/uautomizer-verify-uTZkv6EMXl/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b723e892-55aa-4987-a2e8-5a6c0325bae1/bin/uautomizer-verify-uTZkv6EMXl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b723e892-55aa-4987-a2e8-5a6c0325bae1/bin/uautomizer-verify-uTZkv6EMXl/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-59.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b723e892-55aa-4987-a2e8-5a6c0325bae1/bin/uautomizer-verify-uTZkv6EMXl/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b723e892-55aa-4987-a2e8-5a6c0325bae1/bin/uautomizer-verify-uTZkv6EMXl --witnessprinter.witness.filename witness --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 e093e3889d1250dd6c4e72475f92fd634899e4114caa675b33a0cb0284b4d442 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 02:03:09,970 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 02:03:10,081 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b723e892-55aa-4987-a2e8-5a6c0325bae1/bin/uautomizer-verify-uTZkv6EMXl/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-12 02:03:10,085 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 02:03:10,095 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 02:03:10,138 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 02:03:10,139 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 02:03:10,139 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 02:03:10,140 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 02:03:10,147 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 02:03:10,148 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-12 02:03:10,149 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-12 02:03:10,150 INFO L153 SettingsManager]: * Use SBE=true [2023-11-12 02:03:10,152 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 02:03:10,153 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 02:03:10,153 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-12 02:03:10,153 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-12 02:03:10,154 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-12 02:03:10,154 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 02:03:10,155 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 02:03:10,155 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 02:03:10,156 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 02:03:10,156 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-12 02:03:10,157 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 02:03:10,157 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 02:03:10,158 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 02:03:10,158 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-12 02:03:10,159 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 02:03:10,159 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 02:03:10,160 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 02:03:10,161 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 02:03:10,161 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 02:03:10,162 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-12 02:03:10,162 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-12 02:03:10,162 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-12 02:03:10,163 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 02:03:10,163 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-12 02:03:10,163 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 02:03:10,163 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-12 02:03:10,164 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_b723e892-55aa-4987-a2e8-5a6c0325bae1/bin/uautomizer-verify-uTZkv6EMXl/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b723e892-55aa-4987-a2e8-5a6c0325bae1/bin/uautomizer-verify-uTZkv6EMXl Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e093e3889d1250dd6c4e72475f92fd634899e4114caa675b33a0cb0284b4d442 [2023-11-12 02:03:10,439 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 02:03:10,472 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 02:03:10,475 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 02:03:10,476 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 02:03:10,477 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 02:03:10,478 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b723e892-55aa-4987-a2e8-5a6c0325bae1/bin/uautomizer-verify-uTZkv6EMXl/../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-59.i [2023-11-12 02:03:13,549 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 02:03:13,859 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 02:03:13,859 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b723e892-55aa-4987-a2e8-5a6c0325bae1/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-59.i [2023-11-12 02:03:13,869 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b723e892-55aa-4987-a2e8-5a6c0325bae1/bin/uautomizer-verify-uTZkv6EMXl/data/abe779844/56f2ce116719432e9788940a73382a88/FLAG66891a7ee [2023-11-12 02:03:13,882 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b723e892-55aa-4987-a2e8-5a6c0325bae1/bin/uautomizer-verify-uTZkv6EMXl/data/abe779844/56f2ce116719432e9788940a73382a88 [2023-11-12 02:03:13,884 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 02:03:13,886 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 02:03:13,887 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 02:03:13,887 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 02:03:13,893 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 02:03:13,894 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 02:03:13" (1/1) ... [2023-11-12 02:03:13,895 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@c2198ed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:03:13, skipping insertion in model container [2023-11-12 02:03:13,895 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 02:03:13" (1/1) ... [2023-11-12 02:03:13,927 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 02:03:14,062 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_b723e892-55aa-4987-a2e8-5a6c0325bae1/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-59.i[913,926] [2023-11-12 02:03:14,121 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 02:03:14,133 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 02:03:14,144 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_b723e892-55aa-4987-a2e8-5a6c0325bae1/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-59.i[913,926] [2023-11-12 02:03:14,187 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 02:03:14,205 INFO L206 MainTranslator]: Completed translation [2023-11-12 02:03:14,205 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:03:14 WrapperNode [2023-11-12 02:03:14,205 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 02:03:14,207 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 02:03:14,207 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 02:03:14,207 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 02:03:14,215 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:03:14" (1/1) ... [2023-11-12 02:03:14,251 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:03:14" (1/1) ... [2023-11-12 02:03:14,296 INFO L138 Inliner]: procedures = 26, calls = 33, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 133 [2023-11-12 02:03:14,296 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 02:03:14,297 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 02:03:14,297 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 02:03:14,297 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 02:03:14,307 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:03:14" (1/1) ... [2023-11-12 02:03:14,307 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:03:14" (1/1) ... [2023-11-12 02:03:14,310 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:03:14" (1/1) ... [2023-11-12 02:03:14,311 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:03:14" (1/1) ... [2023-11-12 02:03:14,329 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:03:14" (1/1) ... [2023-11-12 02:03:14,342 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:03:14" (1/1) ... [2023-11-12 02:03:14,345 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:03:14" (1/1) ... [2023-11-12 02:03:14,348 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:03:14" (1/1) ... [2023-11-12 02:03:14,361 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 02:03:14,366 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 02:03:14,366 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 02:03:14,367 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 02:03:14,368 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:03:14" (1/1) ... [2023-11-12 02:03:14,380 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 02:03:14,391 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b723e892-55aa-4987-a2e8-5a6c0325bae1/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:03:14,410 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b723e892-55aa-4987-a2e8-5a6c0325bae1/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-12 02:03:14,445 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b723e892-55aa-4987-a2e8-5a6c0325bae1/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-12 02:03:14,460 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 02:03:14,461 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-12 02:03:14,461 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-12 02:03:14,462 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-12 02:03:14,462 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 02:03:14,462 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 02:03:14,597 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 02:03:14,599 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 02:03:15,016 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 02:03:15,024 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 02:03:15,024 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-12 02:03:15,027 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:03:15 BoogieIcfgContainer [2023-11-12 02:03:15,027 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 02:03:15,030 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-12 02:03:15,030 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-12 02:03:15,033 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-12 02:03:15,034 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 02:03:13" (1/3) ... [2023-11-12 02:03:15,034 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@45e62c86 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 02:03:15, skipping insertion in model container [2023-11-12 02:03:15,035 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:03:14" (2/3) ... [2023-11-12 02:03:15,035 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@45e62c86 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 02:03:15, skipping insertion in model container [2023-11-12 02:03:15,035 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:03:15" (3/3) ... [2023-11-12 02:03:15,039 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_codestructure_normal_file-59.i [2023-11-12 02:03:15,063 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-12 02:03:15,064 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-12 02:03:15,129 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-12 02:03:15,136 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=LoopHeads, 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;@342ff7c8, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-12 02:03:15,137 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-12 02:03:15,156 INFO L276 IsEmpty]: Start isEmpty. Operand has 61 states, 38 states have (on average 1.394736842105263) internal successors, (53), 39 states have internal predecessors, (53), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2023-11-12 02:03:15,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2023-11-12 02:03:15,177 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:03:15,178 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:03:15,179 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 02:03:15,183 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:03:15,184 INFO L85 PathProgramCache]: Analyzing trace with hash -483950726, now seen corresponding path program 1 times [2023-11-12 02:03:15,192 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:03:15,192 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1622847346] [2023-11-12 02:03:15,193 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:03:15,204 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:03:15,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:03:15,503 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:03:15,507 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1622847346] [2023-11-12 02:03:15,508 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2023-11-12 02:03:15,508 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [286441593] [2023-11-12 02:03:15,509 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:03:15,509 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 02:03:15,509 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b723e892-55aa-4987-a2e8-5a6c0325bae1/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:03:15,516 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b723e892-55aa-4987-a2e8-5a6c0325bae1/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-12 02:03:15,547 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b723e892-55aa-4987-a2e8-5a6c0325bae1/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-12 02:03:15,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:03:15,749 INFO L262 TraceCheckSpWp]: Trace formula consists of 303 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-12 02:03:15,771 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 02:03:15,849 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 722 trivial. 0 not checked. [2023-11-12 02:03:15,853 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-12 02:03:15,855 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [286441593] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:03:15,855 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:03:15,855 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-12 02:03:15,858 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1041087851] [2023-11-12 02:03:15,859 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:03:15,864 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-12 02:03:15,864 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:03:15,909 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-12 02:03:15,910 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-12 02:03:15,914 INFO L87 Difference]: Start difference. First operand has 61 states, 38 states have (on average 1.394736842105263) internal successors, (53), 39 states have internal predecessors, (53), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) Second operand has 2 states, 2 states have (on average 15.5) internal successors, (31), 2 states have internal predecessors, (31), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 2 states have call successors, (20) [2023-11-12 02:03:15,950 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:03:15,950 INFO L93 Difference]: Finished difference Result 115 states and 200 transitions. [2023-11-12 02:03:15,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-12 02:03:15,954 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 15.5) internal successors, (31), 2 states have internal predecessors, (31), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 2 states have call successors, (20) Word has length 126 [2023-11-12 02:03:15,955 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 02:03:15,962 INFO L225 Difference]: With dead ends: 115 [2023-11-12 02:03:15,962 INFO L226 Difference]: Without dead ends: 57 [2023-11-12 02:03:15,966 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 125 GetRequests, 125 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-12 02:03:15,972 INFO L413 NwaCegarLoop]: 86 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, 86 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 [2023-11-12 02:03:15,973 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 86 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-12 02:03:15,992 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2023-11-12 02:03:16,022 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 57. [2023-11-12 02:03:16,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 57 states, 35 states have (on average 1.3142857142857143) internal successors, (46), 35 states have internal predecessors, (46), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2023-11-12 02:03:16,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 86 transitions. [2023-11-12 02:03:16,029 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 86 transitions. Word has length 126 [2023-11-12 02:03:16,029 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 02:03:16,029 INFO L495 AbstractCegarLoop]: Abstraction has 57 states and 86 transitions. [2023-11-12 02:03:16,030 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 15.5) internal successors, (31), 2 states have internal predecessors, (31), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 2 states have call successors, (20) [2023-11-12 02:03:16,030 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 86 transitions. [2023-11-12 02:03:16,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2023-11-12 02:03:16,035 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:03:16,035 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:03:16,047 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b723e892-55aa-4987-a2e8-5a6c0325bae1/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-12 02:03:16,241 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b723e892-55aa-4987-a2e8-5a6c0325bae1/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 02:03:16,241 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 02:03:16,242 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:03:16,242 INFO L85 PathProgramCache]: Analyzing trace with hash -709650890, now seen corresponding path program 1 times [2023-11-12 02:03:16,242 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:03:16,243 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1461964293] [2023-11-12 02:03:16,243 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:03:16,243 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:03:16,347 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-12 02:03:16,348 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1292303408] [2023-11-12 02:03:16,348 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:03:16,348 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 02:03:16,348 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b723e892-55aa-4987-a2e8-5a6c0325bae1/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:03:16,360 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b723e892-55aa-4987-a2e8-5a6c0325bae1/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-12 02:03:16,386 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b723e892-55aa-4987-a2e8-5a6c0325bae1/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-12 02:03:16,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:03:16,526 INFO L262 TraceCheckSpWp]: Trace formula consists of 303 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-12 02:03:16,540 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 02:03:16,609 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2023-11-12 02:03:16,609 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-12 02:03:16,609 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:03:16,610 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1461964293] [2023-11-12 02:03:16,610 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-12 02:03:16,610 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1292303408] [2023-11-12 02:03:16,610 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1292303408] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:03:16,611 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:03:16,611 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-12 02:03:16,611 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [536410363] [2023-11-12 02:03:16,612 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:03:16,613 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-12 02:03:16,613 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:03:16,614 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-12 02:03:16,614 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-12 02:03:16,615 INFO L87 Difference]: Start difference. First operand 57 states and 86 transitions. Second operand has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2023-11-12 02:03:16,713 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:03:16,714 INFO L93 Difference]: Finished difference Result 134 states and 200 transitions. [2023-11-12 02:03:16,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-12 02:03:16,715 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 126 [2023-11-12 02:03:16,716 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 02:03:16,718 INFO L225 Difference]: With dead ends: 134 [2023-11-12 02:03:16,718 INFO L226 Difference]: Without dead ends: 80 [2023-11-12 02:03:16,719 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 125 GetRequests, 124 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-12 02:03:16,721 INFO L413 NwaCegarLoop]: 106 mSDtfsCounter, 29 mSDsluCounter, 70 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 29 SdHoareTripleChecker+Valid, 176 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-12 02:03:16,721 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [29 Valid, 176 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-12 02:03:16,723 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2023-11-12 02:03:16,742 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 77. [2023-11-12 02:03:16,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 77 states, 52 states have (on average 1.3461538461538463) internal successors, (70), 53 states have internal predecessors, (70), 22 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 21 states have call predecessors, (22), 22 states have call successors, (22) [2023-11-12 02:03:16,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 114 transitions. [2023-11-12 02:03:16,744 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 114 transitions. Word has length 126 [2023-11-12 02:03:16,745 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 02:03:16,745 INFO L495 AbstractCegarLoop]: Abstraction has 77 states and 114 transitions. [2023-11-12 02:03:16,746 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2023-11-12 02:03:16,746 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 114 transitions. [2023-11-12 02:03:16,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2023-11-12 02:03:16,768 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:03:16,768 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:03:16,804 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b723e892-55aa-4987-a2e8-5a6c0325bae1/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2023-11-12 02:03:16,980 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b723e892-55aa-4987-a2e8-5a6c0325bae1/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 02:03:16,981 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 02:03:16,981 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:03:16,982 INFO L85 PathProgramCache]: Analyzing trace with hash 988947254, now seen corresponding path program 1 times [2023-11-12 02:03:16,982 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:03:16,982 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [587320081] [2023-11-12 02:03:16,982 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:03:16,982 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:03:17,050 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-12 02:03:17,059 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1286505602] [2023-11-12 02:03:17,061 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:03:17,062 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 02:03:17,062 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b723e892-55aa-4987-a2e8-5a6c0325bae1/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:03:17,064 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b723e892-55aa-4987-a2e8-5a6c0325bae1/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-12 02:03:17,073 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b723e892-55aa-4987-a2e8-5a6c0325bae1/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-11-12 02:03:17,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:03:17,210 INFO L262 TraceCheckSpWp]: Trace formula consists of 305 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-12 02:03:17,223 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 02:03:17,278 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2023-11-12 02:03:17,278 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-12 02:03:17,278 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:03:17,278 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [587320081] [2023-11-12 02:03:17,278 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-12 02:03:17,279 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1286505602] [2023-11-12 02:03:17,279 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1286505602] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:03:17,279 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:03:17,279 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-12 02:03:17,279 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1357487892] [2023-11-12 02:03:17,279 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:03:17,280 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-12 02:03:17,280 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:03:17,281 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-12 02:03:17,281 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-12 02:03:17,282 INFO L87 Difference]: Start difference. First operand 77 states and 114 transitions. Second operand has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2023-11-12 02:03:17,348 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:03:17,349 INFO L93 Difference]: Finished difference Result 168 states and 247 transitions. [2023-11-12 02:03:17,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-12 02:03:17,350 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 127 [2023-11-12 02:03:17,354 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 02:03:17,360 INFO L225 Difference]: With dead ends: 168 [2023-11-12 02:03:17,360 INFO L226 Difference]: Without dead ends: 94 [2023-11-12 02:03:17,364 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 126 GetRequests, 125 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-12 02:03:17,365 INFO L413 NwaCegarLoop]: 98 mSDtfsCounter, 20 mSDsluCounter, 69 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 167 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-12 02:03:17,366 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 167 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-12 02:03:17,367 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94 states. [2023-11-12 02:03:17,390 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94 to 80. [2023-11-12 02:03:17,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 80 states, 55 states have (on average 1.2727272727272727) internal successors, (70), 56 states have internal predecessors, (70), 22 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 21 states have call predecessors, (22), 22 states have call successors, (22) [2023-11-12 02:03:17,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 114 transitions. [2023-11-12 02:03:17,394 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 114 transitions. Word has length 127 [2023-11-12 02:03:17,397 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 02:03:17,397 INFO L495 AbstractCegarLoop]: Abstraction has 80 states and 114 transitions. [2023-11-12 02:03:17,398 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2023-11-12 02:03:17,398 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 114 transitions. [2023-11-12 02:03:17,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2023-11-12 02:03:17,402 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:03:17,402 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:03:17,408 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b723e892-55aa-4987-a2e8-5a6c0325bae1/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-11-12 02:03:17,606 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b723e892-55aa-4987-a2e8-5a6c0325bae1/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 02:03:17,606 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 02:03:17,607 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:03:17,607 INFO L85 PathProgramCache]: Analyzing trace with hash -193170440, now seen corresponding path program 1 times [2023-11-12 02:03:17,607 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:03:17,607 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1464316728] [2023-11-12 02:03:17,607 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:03:17,608 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:03:17,672 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-12 02:03:17,673 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [760399282] [2023-11-12 02:03:17,673 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:03:17,673 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 02:03:17,673 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b723e892-55aa-4987-a2e8-5a6c0325bae1/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:03:17,675 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b723e892-55aa-4987-a2e8-5a6c0325bae1/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-12 02:03:17,696 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b723e892-55aa-4987-a2e8-5a6c0325bae1/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-11-12 02:03:18,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:03:18,159 INFO L262 TraceCheckSpWp]: Trace formula consists of 305 conjuncts, 26 conjunts are in the unsatisfiable core [2023-11-12 02:03:18,165 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 02:03:19,423 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 435 proven. 114 refuted. 0 times theorem prover too weak. 211 trivial. 0 not checked. [2023-11-12 02:03:19,424 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-12 02:03:21,148 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:03:21,148 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1464316728] [2023-11-12 02:03:21,148 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-12 02:03:21,149 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [760399282] [2023-11-12 02:03:21,149 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [760399282] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-12 02:03:21,149 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2023-11-12 02:03:21,149 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16] total 16 [2023-11-12 02:03:21,150 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1935047056] [2023-11-12 02:03:21,150 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2023-11-12 02:03:21,151 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2023-11-12 02:03:21,151 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:03:21,152 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2023-11-12 02:03:21,152 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=82, Invalid=298, Unknown=0, NotChecked=0, Total=380 [2023-11-12 02:03:21,153 INFO L87 Difference]: Start difference. First operand 80 states and 114 transitions. Second operand has 16 states, 16 states have (on average 3.0) internal successors, (48), 15 states have internal predecessors, (48), 5 states have call successors, (20), 5 states have call predecessors, (20), 7 states have return successors, (20), 5 states have call predecessors, (20), 5 states have call successors, (20) [2023-11-12 02:03:23,592 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:03:23,592 INFO L93 Difference]: Finished difference Result 204 states and 272 transitions. [2023-11-12 02:03:23,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2023-11-12 02:03:23,594 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 3.0) internal successors, (48), 15 states have internal predecessors, (48), 5 states have call successors, (20), 5 states have call predecessors, (20), 7 states have return successors, (20), 5 states have call predecessors, (20), 5 states have call successors, (20) Word has length 127 [2023-11-12 02:03:23,594 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 02:03:23,596 INFO L225 Difference]: With dead ends: 204 [2023-11-12 02:03:23,596 INFO L226 Difference]: Without dead ends: 127 [2023-11-12 02:03:23,597 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 155 GetRequests, 123 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 209 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=311, Invalid=811, Unknown=0, NotChecked=0, Total=1122 [2023-11-12 02:03:23,599 INFO L413 NwaCegarLoop]: 62 mSDtfsCounter, 146 mSDsluCounter, 185 mSDsCounter, 0 mSdLazyCounter, 390 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 152 SdHoareTripleChecker+Valid, 247 SdHoareTripleChecker+Invalid, 423 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 390 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2023-11-12 02:03:23,599 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [152 Valid, 247 Invalid, 423 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 390 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2023-11-12 02:03:23,600 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 127 states. [2023-11-12 02:03:23,616 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 127 to 98. [2023-11-12 02:03:23,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 98 states, 69 states have (on average 1.2028985507246377) internal successors, (83), 70 states have internal predecessors, (83), 22 states have call successors, (22), 6 states have call predecessors, (22), 6 states have return successors, (22), 21 states have call predecessors, (22), 22 states have call successors, (22) [2023-11-12 02:03:23,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 98 states and 127 transitions. [2023-11-12 02:03:23,618 INFO L78 Accepts]: Start accepts. Automaton has 98 states and 127 transitions. Word has length 127 [2023-11-12 02:03:23,619 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 02:03:23,619 INFO L495 AbstractCegarLoop]: Abstraction has 98 states and 127 transitions. [2023-11-12 02:03:23,619 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 3.0) internal successors, (48), 15 states have internal predecessors, (48), 5 states have call successors, (20), 5 states have call predecessors, (20), 7 states have return successors, (20), 5 states have call predecessors, (20), 5 states have call successors, (20) [2023-11-12 02:03:23,620 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 127 transitions. [2023-11-12 02:03:23,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2023-11-12 02:03:23,622 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:03:23,622 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:03:23,649 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b723e892-55aa-4987-a2e8-5a6c0325bae1/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-11-12 02:03:23,842 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b723e892-55aa-4987-a2e8-5a6c0325bae1/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 02:03:23,842 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 02:03:23,843 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:03:23,843 INFO L85 PathProgramCache]: Analyzing trace with hash -1062117787, now seen corresponding path program 1 times [2023-11-12 02:03:23,843 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:03:23,844 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1652340843] [2023-11-12 02:03:23,844 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:03:23,844 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:03:23,890 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-12 02:03:23,895 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1418871558] [2023-11-12 02:03:23,895 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:03:23,895 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 02:03:23,896 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b723e892-55aa-4987-a2e8-5a6c0325bae1/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:03:23,897 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b723e892-55aa-4987-a2e8-5a6c0325bae1/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-12 02:03:23,916 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b723e892-55aa-4987-a2e8-5a6c0325bae1/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-11-12 02:03:24,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:03:24,029 INFO L262 TraceCheckSpWp]: Trace formula consists of 305 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-12 02:03:24,033 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 02:03:24,218 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 343 proven. 39 refuted. 0 times theorem prover too weak. 378 trivial. 0 not checked. [2023-11-12 02:03:24,218 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-12 02:03:24,294 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2023-11-12 02:03:24,295 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:03:24,295 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1652340843] [2023-11-12 02:03:24,295 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-12 02:03:24,299 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1418871558] [2023-11-12 02:03:24,299 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1418871558] provided 1 perfect and 1 imperfect interpolant sequences [2023-11-12 02:03:24,299 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-12 02:03:24,299 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 7 [2023-11-12 02:03:24,300 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1030149029] [2023-11-12 02:03:24,300 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:03:24,301 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-12 02:03:24,301 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:03:24,302 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-12 02:03:24,308 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2023-11-12 02:03:24,308 INFO L87 Difference]: Start difference. First operand 98 states and 127 transitions. Second operand has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2023-11-12 02:03:24,514 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:03:24,514 INFO L93 Difference]: Finished difference Result 202 states and 261 transitions. [2023-11-12 02:03:24,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-12 02:03:24,515 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 128 [2023-11-12 02:03:24,516 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 02:03:24,517 INFO L225 Difference]: With dead ends: 202 [2023-11-12 02:03:24,517 INFO L226 Difference]: Without dead ends: 107 [2023-11-12 02:03:24,518 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 254 GetRequests, 249 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2023-11-12 02:03:24,519 INFO L413 NwaCegarLoop]: 87 mSDtfsCounter, 28 mSDsluCounter, 57 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 28 SdHoareTripleChecker+Valid, 144 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-12 02:03:24,519 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [28 Valid, 144 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-12 02:03:24,520 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2023-11-12 02:03:24,534 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 86. [2023-11-12 02:03:24,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 86 states, 57 states have (on average 1.1578947368421053) internal successors, (66), 58 states have internal predecessors, (66), 22 states have call successors, (22), 6 states have call predecessors, (22), 6 states have return successors, (22), 21 states have call predecessors, (22), 22 states have call successors, (22) [2023-11-12 02:03:24,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 86 states and 110 transitions. [2023-11-12 02:03:24,536 INFO L78 Accepts]: Start accepts. Automaton has 86 states and 110 transitions. Word has length 128 [2023-11-12 02:03:24,536 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 02:03:24,536 INFO L495 AbstractCegarLoop]: Abstraction has 86 states and 110 transitions. [2023-11-12 02:03:24,537 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2023-11-12 02:03:24,537 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 110 transitions. [2023-11-12 02:03:24,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2023-11-12 02:03:24,539 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:03:24,539 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:03:24,545 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b723e892-55aa-4987-a2e8-5a6c0325bae1/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2023-11-12 02:03:24,745 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b723e892-55aa-4987-a2e8-5a6c0325bae1/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 02:03:24,746 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 02:03:24,746 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:03:24,746 INFO L85 PathProgramCache]: Analyzing trace with hash 2030045565, now seen corresponding path program 1 times [2023-11-12 02:03:24,746 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:03:24,747 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [617442593] [2023-11-12 02:03:24,747 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:03:24,747 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:03:24,785 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-12 02:03:24,797 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [772738041] [2023-11-12 02:03:24,797 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:03:24,797 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 02:03:24,797 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b723e892-55aa-4987-a2e8-5a6c0325bae1/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:03:24,798 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b723e892-55aa-4987-a2e8-5a6c0325bae1/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-12 02:03:24,820 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b723e892-55aa-4987-a2e8-5a6c0325bae1/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-11-12 02:03:25,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:03:25,170 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-12 02:03:25,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:03:25,313 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-12 02:03:25,314 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-12 02:03:25,315 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-12 02:03:25,328 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b723e892-55aa-4987-a2e8-5a6c0325bae1/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2023-11-12 02:03:25,524 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b723e892-55aa-4987-a2e8-5a6c0325bae1/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2023-11-12 02:03:25,527 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2023-11-12 02:03:25,531 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-11-12 02:03:25,672 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.11 02:03:25 BoogieIcfgContainer [2023-11-12 02:03:25,672 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-12 02:03:25,673 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-12 02:03:25,673 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-12 02:03:25,673 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-12 02:03:25,674 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:03:15" (3/4) ... [2023-11-12 02:03:25,676 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-12 02:03:25,677 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-12 02:03:25,678 INFO L158 Benchmark]: Toolchain (without parser) took 11792.26ms. Allocated memory was 132.1MB in the beginning and 174.1MB in the end (delta: 41.9MB). Free memory was 100.6MB in the beginning and 55.3MB in the end (delta: 45.3MB). Peak memory consumption was 89.6MB. Max. memory is 16.1GB. [2023-11-12 02:03:25,678 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 132.1MB. Free memory is still 78.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 02:03:25,678 INFO L158 Benchmark]: CACSL2BoogieTranslator took 318.82ms. Allocated memory is still 132.1MB. Free memory was 100.2MB in the beginning and 86.3MB in the end (delta: 13.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-12 02:03:25,679 INFO L158 Benchmark]: Boogie Procedure Inliner took 89.50ms. Allocated memory is still 132.1MB. Free memory was 86.3MB in the beginning and 82.3MB in the end (delta: 4.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-12 02:03:25,679 INFO L158 Benchmark]: Boogie Preprocessor took 68.34ms. Allocated memory is still 132.1MB. Free memory was 82.3MB in the beginning and 80.6MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-12 02:03:25,680 INFO L158 Benchmark]: RCFGBuilder took 661.08ms. Allocated memory is still 132.1MB. Free memory was 80.2MB in the beginning and 59.2MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2023-11-12 02:03:25,680 INFO L158 Benchmark]: TraceAbstraction took 10642.57ms. Allocated memory was 132.1MB in the beginning and 174.1MB in the end (delta: 41.9MB). Free memory was 58.4MB in the beginning and 56.4MB in the end (delta: 2.1MB). Peak memory consumption was 45.5MB. Max. memory is 16.1GB. [2023-11-12 02:03:25,680 INFO L158 Benchmark]: Witness Printer took 4.48ms. Allocated memory is still 174.1MB. Free memory was 56.4MB in the beginning and 55.3MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-12 02:03:25,684 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 132.1MB. Free memory is still 78.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 318.82ms. Allocated memory is still 132.1MB. Free memory was 100.2MB in the beginning and 86.3MB in the end (delta: 13.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 89.50ms. Allocated memory is still 132.1MB. Free memory was 86.3MB in the beginning and 82.3MB in the end (delta: 4.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 68.34ms. Allocated memory is still 132.1MB. Free memory was 82.3MB in the beginning and 80.6MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 661.08ms. Allocated memory is still 132.1MB. Free memory was 80.2MB in the beginning and 59.2MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * TraceAbstraction took 10642.57ms. Allocated memory was 132.1MB in the beginning and 174.1MB in the end (delta: 41.9MB). Free memory was 58.4MB in the beginning and 56.4MB in the end (delta: 2.1MB). Peak memory consumption was 45.5MB. Max. memory is 16.1GB. * Witness Printer took 4.48ms. Allocated memory is still 174.1MB. Free memory was 56.4MB in the beginning and 55.3MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 127. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned short int var_1_1 = 1; [L23] unsigned char var_1_2 = 0; [L24] unsigned char var_1_3 = 100; [L25] unsigned char var_1_4 = 25; [L26] unsigned short int var_1_5 = 0; [L27] unsigned short int var_1_6 = 62100; [L28] unsigned short int var_1_7 = 27651; [L29] double var_1_8 = 128.9; [L30] unsigned char var_1_9 = 1; [L31] double var_1_10 = 16.5; [L32] double var_1_11 = 25.5; [L33] double var_1_12 = 199.75; [L34] unsigned char var_1_13 = 2; [L35] unsigned char var_1_14 = 1; [L36] unsigned char var_1_15 = 1; [L37] unsigned char var_1_16 = 1; [L38] unsigned short int var_1_17 = 32; [L39] unsigned char var_1_18 = 1; [L40] unsigned long int var_1_19 = 1; VAL [isInitial=0, var_1_10=33/2, var_1_11=51/2, var_1_12=799/4, var_1_13=2, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_2=0, var_1_3=100, var_1_4=25, var_1_5=0, var_1_6=62100, var_1_7=27651, var_1_8=1289/10, var_1_9=1] [L131] isInitial = 1 [L132] FCALL initially() [L133] COND TRUE 1 [L134] FCALL updateLastVariables() [L135] CALL updateVariables() [L92] var_1_2 = __VERIFIER_nondet_uchar() [L93] CALL assume_abort_if_not(var_1_2 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=33/2, var_1_11=51/2, var_1_12=799/4, var_1_13=2, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_3=100, var_1_4=25, var_1_5=0, var_1_6=62100, var_1_7=27651, var_1_8=1289/10, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=33/2, var_1_11=51/2, var_1_12=799/4, var_1_13=2, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_3=100, var_1_4=25, var_1_5=0, var_1_6=62100, var_1_7=27651, var_1_8=1289/10, var_1_9=1] [L93] RET assume_abort_if_not(var_1_2 >= 0) VAL [isInitial=1, var_1_10=33/2, var_1_11=51/2, var_1_12=799/4, var_1_13=2, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_3=100, var_1_4=25, var_1_5=0, var_1_6=62100, var_1_7=27651, var_1_8=1289/10, var_1_9=1] [L94] CALL assume_abort_if_not(var_1_2 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=33/2, var_1_11=51/2, var_1_12=799/4, var_1_13=2, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_2=0, var_1_3=100, var_1_4=25, var_1_5=0, var_1_6=62100, var_1_7=27651, var_1_8=1289/10, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=33/2, var_1_11=51/2, var_1_12=799/4, var_1_13=2, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_2=0, var_1_3=100, var_1_4=25, var_1_5=0, var_1_6=62100, var_1_7=27651, var_1_8=1289/10, var_1_9=1] [L94] RET assume_abort_if_not(var_1_2 <= 1) VAL [isInitial=1, var_1_10=33/2, var_1_11=51/2, var_1_12=799/4, var_1_13=2, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_2=0, var_1_3=100, var_1_4=25, var_1_5=0, var_1_6=62100, var_1_7=27651, var_1_8=1289/10, var_1_9=1] [L95] var_1_3 = __VERIFIER_nondet_uchar() [L96] CALL assume_abort_if_not(var_1_3 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=33/2, var_1_11=51/2, var_1_12=799/4, var_1_13=2, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_2=0, var_1_3=0, var_1_4=25, var_1_5=0, var_1_6=62100, var_1_7=27651, var_1_8=1289/10, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=33/2, var_1_11=51/2, var_1_12=799/4, var_1_13=2, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_2=0, var_1_3=0, var_1_4=25, var_1_5=0, var_1_6=62100, var_1_7=27651, var_1_8=1289/10, var_1_9=1] [L96] RET assume_abort_if_not(var_1_3 >= 0) VAL [isInitial=1, var_1_10=33/2, var_1_11=51/2, var_1_12=799/4, var_1_13=2, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_2=0, var_1_3=0, var_1_4=25, var_1_5=0, var_1_6=62100, var_1_7=27651, var_1_8=1289/10, var_1_9=1] [L97] CALL assume_abort_if_not(var_1_3 <= 255) VAL [\old(cond)=1, isInitial=1, var_1_10=33/2, var_1_11=51/2, var_1_12=799/4, var_1_13=2, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_2=0, var_1_3=0, var_1_4=25, var_1_5=0, var_1_6=62100, var_1_7=27651, var_1_8=1289/10, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=33/2, var_1_11=51/2, var_1_12=799/4, var_1_13=2, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_2=0, var_1_3=0, var_1_4=25, var_1_5=0, var_1_6=62100, var_1_7=27651, var_1_8=1289/10, var_1_9=1] [L97] RET assume_abort_if_not(var_1_3 <= 255) VAL [isInitial=1, var_1_10=33/2, var_1_11=51/2, var_1_12=799/4, var_1_13=2, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_2=0, var_1_3=0, var_1_4=25, var_1_5=0, var_1_6=62100, var_1_7=27651, var_1_8=1289/10, var_1_9=1] [L98] var_1_4 = __VERIFIER_nondet_uchar() [L99] CALL assume_abort_if_not(var_1_4 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=33/2, var_1_11=51/2, var_1_12=799/4, var_1_13=2, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_2=0, var_1_3=0, var_1_4=5, var_1_5=0, var_1_6=62100, var_1_7=27651, var_1_8=1289/10, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=33/2, var_1_11=51/2, var_1_12=799/4, var_1_13=2, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_2=0, var_1_3=0, var_1_4=5, var_1_5=0, var_1_6=62100, var_1_7=27651, var_1_8=1289/10, var_1_9=1] [L99] RET assume_abort_if_not(var_1_4 >= 0) VAL [isInitial=1, var_1_10=33/2, var_1_11=51/2, var_1_12=799/4, var_1_13=2, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_2=0, var_1_3=0, var_1_4=5, var_1_5=0, var_1_6=62100, var_1_7=27651, var_1_8=1289/10, var_1_9=1] [L100] CALL assume_abort_if_not(var_1_4 <= 255) VAL [\old(cond)=1, isInitial=1, var_1_10=33/2, var_1_11=51/2, var_1_12=799/4, var_1_13=2, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_2=0, var_1_3=0, var_1_4=5, var_1_5=0, var_1_6=62100, var_1_7=27651, var_1_8=1289/10, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=33/2, var_1_11=51/2, var_1_12=799/4, var_1_13=2, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_2=0, var_1_3=0, var_1_4=5, var_1_5=0, var_1_6=62100, var_1_7=27651, var_1_8=1289/10, var_1_9=1] [L100] RET assume_abort_if_not(var_1_4 <= 255) VAL [isInitial=1, var_1_10=33/2, var_1_11=51/2, var_1_12=799/4, var_1_13=2, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_2=0, var_1_3=0, var_1_4=5, var_1_5=0, var_1_6=62100, var_1_7=27651, var_1_8=1289/10, var_1_9=1] [L101] CALL assume_abort_if_not(var_1_4 != 0) VAL [\old(cond)=1, isInitial=1, var_1_10=33/2, var_1_11=51/2, var_1_12=799/4, var_1_13=2, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_2=0, var_1_3=0, var_1_4=5, var_1_5=0, var_1_6=62100, var_1_7=27651, var_1_8=1289/10, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=33/2, var_1_11=51/2, var_1_12=799/4, var_1_13=2, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_2=0, var_1_3=0, var_1_4=5, var_1_5=0, var_1_6=62100, var_1_7=27651, var_1_8=1289/10, var_1_9=1] [L101] RET assume_abort_if_not(var_1_4 != 0) VAL [isInitial=1, var_1_10=33/2, var_1_11=51/2, var_1_12=799/4, var_1_13=2, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_2=0, var_1_3=0, var_1_4=5, var_1_5=0, var_1_6=62100, var_1_7=27651, var_1_8=1289/10, var_1_9=1] [L102] var_1_6 = __VERIFIER_nondet_ushort() [L103] CALL assume_abort_if_not(var_1_6 >= 32767) VAL [\old(cond)=1, isInitial=1, var_1_10=33/2, var_1_11=51/2, var_1_12=799/4, var_1_13=2, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_2=0, var_1_3=0, var_1_4=5, var_1_5=0, var_1_6=32769, var_1_7=27651, var_1_8=1289/10, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=33/2, var_1_11=51/2, var_1_12=799/4, var_1_13=2, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_2=0, var_1_3=0, var_1_4=5, var_1_5=0, var_1_6=32769, var_1_7=27651, var_1_8=1289/10, var_1_9=1] [L103] RET assume_abort_if_not(var_1_6 >= 32767) VAL [isInitial=1, var_1_10=33/2, var_1_11=51/2, var_1_12=799/4, var_1_13=2, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_2=0, var_1_3=0, var_1_4=5, var_1_5=0, var_1_6=32769, var_1_7=27651, var_1_8=1289/10, var_1_9=1] [L104] CALL assume_abort_if_not(var_1_6 <= 65534) VAL [\old(cond)=1, isInitial=1, var_1_10=33/2, var_1_11=51/2, var_1_12=799/4, var_1_13=2, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_2=0, var_1_3=0, var_1_4=5, var_1_5=0, var_1_6=32769, var_1_7=27651, var_1_8=1289/10, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=33/2, var_1_11=51/2, var_1_12=799/4, var_1_13=2, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_2=0, var_1_3=0, var_1_4=5, var_1_5=0, var_1_6=32769, var_1_7=27651, var_1_8=1289/10, var_1_9=1] [L104] RET assume_abort_if_not(var_1_6 <= 65534) VAL [isInitial=1, var_1_10=33/2, var_1_11=51/2, var_1_12=799/4, var_1_13=2, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_2=0, var_1_3=0, var_1_4=5, var_1_5=0, var_1_6=32769, var_1_7=27651, var_1_8=1289/10, var_1_9=1] [L105] var_1_7 = __VERIFIER_nondet_ushort() [L106] CALL assume_abort_if_not(var_1_7 >= 16383) VAL [\old(cond)=1, isInitial=1, var_1_10=33/2, var_1_11=51/2, var_1_12=799/4, var_1_13=2, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_2=0, var_1_3=0, var_1_4=5, var_1_5=0, var_1_6=32769, var_1_7=16383, var_1_8=1289/10, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=33/2, var_1_11=51/2, var_1_12=799/4, var_1_13=2, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_2=0, var_1_3=0, var_1_4=5, var_1_5=0, var_1_6=32769, var_1_7=16383, var_1_8=1289/10, var_1_9=1] [L106] RET assume_abort_if_not(var_1_7 >= 16383) VAL [isInitial=1, var_1_10=33/2, var_1_11=51/2, var_1_12=799/4, var_1_13=2, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_2=0, var_1_3=0, var_1_4=5, var_1_5=0, var_1_6=32769, var_1_7=16383, var_1_8=1289/10, var_1_9=1] [L107] CALL assume_abort_if_not(var_1_7 <= 32767) VAL [\old(cond)=1, isInitial=1, var_1_10=33/2, var_1_11=51/2, var_1_12=799/4, var_1_13=2, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_2=0, var_1_3=0, var_1_4=5, var_1_5=0, var_1_6=32769, var_1_7=16383, var_1_8=1289/10, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=33/2, var_1_11=51/2, var_1_12=799/4, var_1_13=2, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_2=0, var_1_3=0, var_1_4=5, var_1_5=0, var_1_6=32769, var_1_7=16383, var_1_8=1289/10, var_1_9=1] [L107] RET assume_abort_if_not(var_1_7 <= 32767) VAL [isInitial=1, var_1_10=33/2, var_1_11=51/2, var_1_12=799/4, var_1_13=2, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_2=0, var_1_3=0, var_1_4=5, var_1_5=0, var_1_6=32769, var_1_7=16383, var_1_8=1289/10, var_1_9=1] [L108] var_1_9 = __VERIFIER_nondet_uchar() [L109] CALL assume_abort_if_not(var_1_9 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=33/2, var_1_11=51/2, var_1_12=799/4, var_1_13=2, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_2=0, var_1_3=0, var_1_4=5, var_1_5=0, var_1_6=32769, var_1_7=16383, var_1_8=1289/10, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=33/2, var_1_11=51/2, var_1_12=799/4, var_1_13=2, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_2=0, var_1_3=0, var_1_4=5, var_1_5=0, var_1_6=32769, var_1_7=16383, var_1_8=1289/10, var_1_9=1] [L109] RET assume_abort_if_not(var_1_9 >= 0) VAL [isInitial=1, var_1_10=33/2, var_1_11=51/2, var_1_12=799/4, var_1_13=2, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_2=0, var_1_3=0, var_1_4=5, var_1_5=0, var_1_6=32769, var_1_7=16383, var_1_8=1289/10, var_1_9=1] [L110] CALL assume_abort_if_not(var_1_9 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=33/2, var_1_11=51/2, var_1_12=799/4, var_1_13=2, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_2=0, var_1_3=0, var_1_4=5, var_1_5=0, var_1_6=32769, var_1_7=16383, var_1_8=1289/10, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=33/2, var_1_11=51/2, var_1_12=799/4, var_1_13=2, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_2=0, var_1_3=0, var_1_4=5, var_1_5=0, var_1_6=32769, var_1_7=16383, var_1_8=1289/10, var_1_9=1] [L110] RET assume_abort_if_not(var_1_9 <= 1) VAL [isInitial=1, var_1_10=33/2, var_1_11=51/2, var_1_12=799/4, var_1_13=2, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_2=0, var_1_3=0, var_1_4=5, var_1_5=0, var_1_6=32769, var_1_7=16383, var_1_8=1289/10, var_1_9=1] [L111] var_1_10 = __VERIFIER_nondet_double() [L112] CALL assume_abort_if_not((var_1_10 >= -922337.2036854765600e+13F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 9223372.036854765600e+12F && var_1_10 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=2, var_1_11=51/2, var_1_12=799/4, var_1_13=2, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_2=0, var_1_3=0, var_1_4=5, var_1_5=0, var_1_6=32769, var_1_7=16383, var_1_8=1289/10, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=2, var_1_11=51/2, var_1_12=799/4, var_1_13=2, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_2=0, var_1_3=0, var_1_4=5, var_1_5=0, var_1_6=32769, var_1_7=16383, var_1_8=1289/10, var_1_9=1] [L112] RET assume_abort_if_not((var_1_10 >= -922337.2036854765600e+13F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 9223372.036854765600e+12F && var_1_10 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=2, var_1_11=51/2, var_1_12=799/4, var_1_13=2, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_2=0, var_1_3=0, var_1_4=5, var_1_5=0, var_1_6=32769, var_1_7=16383, var_1_8=1289/10, var_1_9=1] [L113] var_1_11 = __VERIFIER_nondet_double() [L114] CALL assume_abort_if_not((var_1_11 >= -461168.6018427382800e+13F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 4611686.018427382800e+12F && var_1_11 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=2, var_1_11=3, var_1_12=799/4, var_1_13=2, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_2=0, var_1_3=0, var_1_4=5, var_1_5=0, var_1_6=32769, var_1_7=16383, var_1_8=1289/10, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=2, var_1_11=3, var_1_12=799/4, var_1_13=2, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_2=0, var_1_3=0, var_1_4=5, var_1_5=0, var_1_6=32769, var_1_7=16383, var_1_8=1289/10, var_1_9=1] [L114] RET assume_abort_if_not((var_1_11 >= -461168.6018427382800e+13F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 4611686.018427382800e+12F && var_1_11 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=2, var_1_11=3, var_1_12=799/4, var_1_13=2, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_2=0, var_1_3=0, var_1_4=5, var_1_5=0, var_1_6=32769, var_1_7=16383, var_1_8=1289/10, var_1_9=1] [L115] var_1_12 = __VERIFIER_nondet_double() [L116] CALL assume_abort_if_not((var_1_12 >= -461168.6018427382800e+13F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 4611686.018427382800e+12F && var_1_12 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=2, var_1_11=3, var_1_12=4, var_1_13=2, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_2=0, var_1_3=0, var_1_4=5, var_1_5=0, var_1_6=32769, var_1_7=16383, var_1_8=1289/10, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=2, var_1_11=3, var_1_12=4, var_1_13=2, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_2=0, var_1_3=0, var_1_4=5, var_1_5=0, var_1_6=32769, var_1_7=16383, var_1_8=1289/10, var_1_9=1] [L116] RET assume_abort_if_not((var_1_12 >= -461168.6018427382800e+13F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 4611686.018427382800e+12F && var_1_12 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=2, var_1_11=3, var_1_12=4, var_1_13=2, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_2=0, var_1_3=0, var_1_4=5, var_1_5=0, var_1_6=32769, var_1_7=16383, var_1_8=1289/10, var_1_9=1] [L117] var_1_14 = __VERIFIER_nondet_uchar() [L118] 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=4, var_1_13=2, var_1_14=254, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_2=0, var_1_3=0, var_1_4=5, var_1_5=0, var_1_6=32769, var_1_7=16383, var_1_8=1289/10, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=2, var_1_11=3, var_1_12=4, var_1_13=2, var_1_14=254, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_2=0, var_1_3=0, var_1_4=5, var_1_5=0, var_1_6=32769, var_1_7=16383, var_1_8=1289/10, var_1_9=1] [L118] RET assume_abort_if_not(var_1_14 >= 0) VAL [isInitial=1, var_1_10=2, var_1_11=3, var_1_12=4, var_1_13=2, var_1_14=254, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_2=0, var_1_3=0, var_1_4=5, var_1_5=0, var_1_6=32769, var_1_7=16383, var_1_8=1289/10, var_1_9=1] [L119] CALL assume_abort_if_not(var_1_14 <= 254) VAL [\old(cond)=1, isInitial=1, var_1_10=2, var_1_11=3, var_1_12=4, var_1_13=2, var_1_14=254, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_2=0, var_1_3=0, var_1_4=5, var_1_5=0, var_1_6=32769, var_1_7=16383, var_1_8=1289/10, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=2, var_1_11=3, var_1_12=4, var_1_13=2, var_1_14=254, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_2=0, var_1_3=0, var_1_4=5, var_1_5=0, var_1_6=32769, var_1_7=16383, var_1_8=1289/10, var_1_9=1] [L119] RET assume_abort_if_not(var_1_14 <= 254) VAL [isInitial=1, var_1_10=2, var_1_11=3, var_1_12=4, var_1_13=2, var_1_14=254, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_2=0, var_1_3=0, var_1_4=5, var_1_5=0, var_1_6=32769, var_1_7=16383, var_1_8=1289/10, var_1_9=1] [L120] var_1_16 = __VERIFIER_nondet_uchar() [L121] CALL assume_abort_if_not(var_1_16 >= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=2, var_1_11=3, var_1_12=4, var_1_13=2, var_1_14=254, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_2=0, var_1_3=0, var_1_4=5, var_1_5=0, var_1_6=32769, var_1_7=16383, var_1_8=1289/10, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=2, var_1_11=3, var_1_12=4, var_1_13=2, var_1_14=254, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_2=0, var_1_3=0, var_1_4=5, var_1_5=0, var_1_6=32769, var_1_7=16383, var_1_8=1289/10, var_1_9=1] [L121] RET assume_abort_if_not(var_1_16 >= 1) VAL [isInitial=1, var_1_10=2, var_1_11=3, var_1_12=4, var_1_13=2, var_1_14=254, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_2=0, var_1_3=0, var_1_4=5, var_1_5=0, var_1_6=32769, var_1_7=16383, var_1_8=1289/10, var_1_9=1] [L122] CALL assume_abort_if_not(var_1_16 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=2, var_1_11=3, var_1_12=4, var_1_13=2, var_1_14=254, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_2=0, var_1_3=0, var_1_4=5, var_1_5=0, var_1_6=32769, var_1_7=16383, var_1_8=1289/10, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=2, var_1_11=3, var_1_12=4, var_1_13=2, var_1_14=254, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_2=0, var_1_3=0, var_1_4=5, var_1_5=0, var_1_6=32769, var_1_7=16383, var_1_8=1289/10, var_1_9=1] [L122] RET assume_abort_if_not(var_1_16 <= 1) VAL [isInitial=1, var_1_10=2, var_1_11=3, var_1_12=4, var_1_13=2, var_1_14=254, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_2=0, var_1_3=0, var_1_4=5, var_1_5=0, var_1_6=32769, var_1_7=16383, var_1_8=1289/10, var_1_9=1] [L135] RET updateVariables() [L136] CALL step() [L44] COND FALSE !((var_1_3 != (16 / var_1_4)) && var_1_2) [L55] var_1_1 = var_1_3 VAL [isInitial=1, var_1_10=2, var_1_11=3, var_1_12=4, var_1_13=2, var_1_14=254, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=0, var_1_2=0, var_1_3=0, var_1_4=5, var_1_5=0, var_1_6=32769, var_1_7=16383, var_1_8=1289/10, var_1_9=1] [L57] COND FALSE !(var_1_1 < var_1_3) VAL [isInitial=1, var_1_10=2, var_1_11=3, var_1_12=4, var_1_13=2, var_1_14=254, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=0, var_1_2=0, var_1_3=0, var_1_4=5, var_1_5=0, var_1_6=32769, var_1_7=16383, var_1_8=1289/10, var_1_9=1] [L60] COND TRUE ! var_1_2 [L61] var_1_5 = ((((var_1_3) > ((var_1_7 + var_1_4))) ? (var_1_3) : ((var_1_7 + var_1_4)))) VAL [isInitial=1, var_1_10=2, var_1_11=3, var_1_12=4, var_1_13=2, var_1_14=254, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=0, var_1_2=0, var_1_3=0, var_1_4=5, var_1_5=16388, var_1_6=32769, var_1_7=16383, var_1_8=1289/10, var_1_9=1] [L64] COND FALSE !(\read(var_1_2)) [L71] var_1_8 = var_1_11 VAL [isInitial=1, var_1_10=2, var_1_11=3, var_1_12=4, var_1_13=2, var_1_14=254, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=0, var_1_2=0, var_1_3=0, var_1_4=5, var_1_5=16388, var_1_6=32769, var_1_7=16383, var_1_8=3, var_1_9=1] [L73] COND TRUE var_1_3 != ((var_1_6 / var_1_4) * ((((var_1_1) > (var_1_5)) ? (var_1_1) : (var_1_5)))) VAL [isInitial=1, var_1_10=2, var_1_11=3, var_1_12=4, var_1_13=2, var_1_14=254, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=0, var_1_2=0, var_1_3=0, var_1_4=5, var_1_5=16388, var_1_6=32769, var_1_7=16383, var_1_8=3, var_1_9=1] [L74] COND TRUE var_1_3 <= var_1_6 [L75] var_1_13 = 32 VAL [isInitial=1, var_1_10=2, var_1_11=3, var_1_12=4, var_1_13=32, var_1_14=254, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=0, var_1_2=0, var_1_3=0, var_1_4=5, var_1_5=16388, var_1_6=32769, var_1_7=16383, var_1_8=3, var_1_9=1] [L82] COND TRUE var_1_12 != var_1_8 [L83] var_1_15 = (! var_1_16) VAL [isInitial=1, var_1_10=2, var_1_11=3, var_1_12=4, var_1_13=32, var_1_14=254, var_1_15=0, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=0, var_1_2=0, var_1_3=0, var_1_4=5, var_1_5=16388, var_1_6=32769, var_1_7=16383, var_1_8=3, var_1_9=1] [L87] var_1_17 = var_1_4 [L88] var_1_18 = var_1_16 [L89] var_1_19 = var_1_4 VAL [isInitial=1, var_1_10=2, var_1_11=3, var_1_12=4, var_1_13=32, var_1_14=254, var_1_15=0, var_1_16=1, var_1_17=5, var_1_18=1, var_1_19=5, var_1_1=0, var_1_2=0, var_1_3=0, var_1_4=5, var_1_5=16388, var_1_6=32769, var_1_7=16383, var_1_8=3, var_1_9=1] [L136] RET step() [L137] CALL, EXPR property() [L127-L128] return (((((((((var_1_3 != (16 / var_1_4)) && var_1_2) ? ((var_1_3 > var_1_4) ? (var_1_1 == ((unsigned short int) (var_1_4 + var_1_3))) : (var_1_2 ? (var_1_1 == ((unsigned short int) var_1_3)) : (var_1_1 == ((unsigned short int) var_1_4)))) : (var_1_1 == ((unsigned short int) var_1_3))) && ((var_1_1 < var_1_3) ? (var_1_5 == ((unsigned short int) (var_1_6 - (var_1_7 - var_1_3)))) : ((! var_1_2) ? (var_1_5 == ((unsigned short int) ((((var_1_3) > ((var_1_7 + var_1_4))) ? (var_1_3) : ((var_1_7 + var_1_4)))))) : 1))) && (var_1_2 ? (((! var_1_9) || (var_1_5 < var_1_6)) ? (var_1_8 == ((double) ((((127.25) > (var_1_10)) ? (127.25) : (var_1_10))))) : (var_1_8 == ((double) (var_1_11 + var_1_12)))) : (var_1_8 == ((double) var_1_11)))) && ((var_1_3 != ((var_1_6 / var_1_4) * ((((var_1_1) > (var_1_5)) ? (var_1_1) : (var_1_5))))) ? ((var_1_3 <= var_1_6) ? (var_1_13 == ((unsigned char) 32)) : (var_1_13 == ((unsigned char) var_1_14))) : (var_1_13 == ((unsigned char) var_1_14)))) && ((var_1_12 != var_1_8) ? (var_1_15 == ((unsigned char) (! var_1_16))) : (var_1_15 == ((unsigned char) var_1_16)))) && (var_1_17 == ((unsigned short int) var_1_4))) && (var_1_18 == ((unsigned char) var_1_16))) && (var_1_19 == ((unsigned long int) var_1_4)) ; VAL [\result=0, isInitial=1, var_1_10=2, var_1_11=3, var_1_12=4, var_1_13=32, var_1_14=254, var_1_15=0, var_1_16=1, var_1_17=5, var_1_18=1, var_1_19=5, var_1_1=0, var_1_2=0, var_1_3=0, var_1_4=5, var_1_5=16388, var_1_6=32769, var_1_7=16383, var_1_8=3, var_1_9=1] [L137] RET, EXPR property() [L137] 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=4, var_1_13=32, var_1_14=254, var_1_15=0, var_1_16=1, var_1_17=5, var_1_18=1, var_1_19=5, var_1_1=0, var_1_2=0, var_1_3=0, var_1_4=5, var_1_5=16388, var_1_6=32769, var_1_7=16383, var_1_8=3, var_1_9=1] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, var_1_10=2, var_1_11=3, var_1_12=4, var_1_13=32, var_1_14=254, var_1_15=0, var_1_16=1, var_1_17=5, var_1_18=1, var_1_19=5, var_1_1=0, var_1_2=0, var_1_3=0, var_1_4=5, var_1_5=16388, var_1_6=32769, var_1_7=16383, var_1_8=3, var_1_9=1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 61 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 10.4s, OverallIterations: 6, TraceHistogramMax: 20, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 3.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 229 SdHoareTripleChecker+Valid, 1.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 223 mSDsluCounter, 820 SdHoareTripleChecker+Invalid, 1.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 381 mSDsCounter, 40 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 435 IncrementalHoareTripleChecker+Invalid, 475 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 40 mSolverCounterUnsat, 439 mSDtfsCounter, 435 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 785 GetRequests, 746 SyntacticMatches, 0 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 209 ImplicationChecksByTransitivity, 2.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=98occurred in iteration=4, InterpolantAutomatonStates: 37, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 5 MinimizatonAttempts, 67 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 1.2s SatisfiabilityAnalysisTime, 3.6s InterpolantComputationTime, 888 NumberOfCodeBlocks, 888 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 756 ConstructedInterpolants, 0 QuantifiedInterpolants, 2687 SizeOfPredicates, 17 NumberOfNonLiveVariables, 1521 ConjunctsInSsa, 40 ConjunctsInUnsatCore, 6 InterpolantComputations, 4 PerfectInterpolantSequences, 4407/4560 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 [2023-11-12 02:03:25,733 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b723e892-55aa-4987-a2e8-5a6c0325bae1/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b723e892-55aa-4987-a2e8-5a6c0325bae1/bin/uautomizer-verify-uTZkv6EMXl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b723e892-55aa-4987-a2e8-5a6c0325bae1/bin/uautomizer-verify-uTZkv6EMXl/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b723e892-55aa-4987-a2e8-5a6c0325bae1/bin/uautomizer-verify-uTZkv6EMXl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b723e892-55aa-4987-a2e8-5a6c0325bae1/bin/uautomizer-verify-uTZkv6EMXl/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-59.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b723e892-55aa-4987-a2e8-5a6c0325bae1/bin/uautomizer-verify-uTZkv6EMXl/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b723e892-55aa-4987-a2e8-5a6c0325bae1/bin/uautomizer-verify-uTZkv6EMXl --witnessprinter.witness.filename witness --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 e093e3889d1250dd6c4e72475f92fd634899e4114caa675b33a0cb0284b4d442 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 02:03:28,376 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 02:03:28,513 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b723e892-55aa-4987-a2e8-5a6c0325bae1/bin/uautomizer-verify-uTZkv6EMXl/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-11-12 02:03:28,522 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 02:03:28,523 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 02:03:28,568 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 02:03:28,569 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 02:03:28,570 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 02:03:28,571 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 02:03:28,576 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 02:03:28,577 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-12 02:03:28,577 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-12 02:03:28,578 INFO L153 SettingsManager]: * Use SBE=true [2023-11-12 02:03:28,580 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 02:03:28,581 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 02:03:28,581 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-12 02:03:28,582 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-12 02:03:28,582 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 02:03:28,583 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 02:03:28,583 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 02:03:28,584 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 02:03:28,584 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-12 02:03:28,585 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-12 02:03:28,585 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-12 02:03:28,586 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-12 02:03:28,586 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 02:03:28,587 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 02:03:28,587 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 02:03:28,588 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-12 02:03:28,588 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 02:03:28,590 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 02:03:28,590 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 02:03:28,591 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 02:03:28,591 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 02:03:28,592 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-12 02:03:28,592 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-12 02:03:28,592 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-12 02:03:28,593 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 02:03:28,593 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-12 02:03:28,594 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 02:03:28,594 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-12 02:03:28,595 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-12 02:03:28,595 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_b723e892-55aa-4987-a2e8-5a6c0325bae1/bin/uautomizer-verify-uTZkv6EMXl/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b723e892-55aa-4987-a2e8-5a6c0325bae1/bin/uautomizer-verify-uTZkv6EMXl Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e093e3889d1250dd6c4e72475f92fd634899e4114caa675b33a0cb0284b4d442 [2023-11-12 02:03:29,022 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 02:03:29,051 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 02:03:29,054 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 02:03:29,055 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 02:03:29,056 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 02:03:29,057 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b723e892-55aa-4987-a2e8-5a6c0325bae1/bin/uautomizer-verify-uTZkv6EMXl/../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-59.i [2023-11-12 02:03:32,200 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 02:03:32,516 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 02:03:32,518 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b723e892-55aa-4987-a2e8-5a6c0325bae1/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-59.i [2023-11-12 02:03:32,533 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b723e892-55aa-4987-a2e8-5a6c0325bae1/bin/uautomizer-verify-uTZkv6EMXl/data/ff2d96f3b/0feda27f09a645e7ba38449e0343f17b/FLAGe49ae9d46 [2023-11-12 02:03:32,555 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b723e892-55aa-4987-a2e8-5a6c0325bae1/bin/uautomizer-verify-uTZkv6EMXl/data/ff2d96f3b/0feda27f09a645e7ba38449e0343f17b [2023-11-12 02:03:32,561 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 02:03:32,563 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 02:03:32,566 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 02:03:32,566 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 02:03:32,573 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 02:03:32,574 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 02:03:32" (1/1) ... [2023-11-12 02:03:32,575 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@14dd0e2a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:03:32, skipping insertion in model container [2023-11-12 02:03:32,575 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 02:03:32" (1/1) ... [2023-11-12 02:03:32,623 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 02:03:32,815 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_b723e892-55aa-4987-a2e8-5a6c0325bae1/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-59.i[913,926] [2023-11-12 02:03:32,906 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 02:03:32,925 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 02:03:32,945 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_b723e892-55aa-4987-a2e8-5a6c0325bae1/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-59.i[913,926] [2023-11-12 02:03:33,002 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 02:03:33,022 INFO L206 MainTranslator]: Completed translation [2023-11-12 02:03:33,023 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:03:33 WrapperNode [2023-11-12 02:03:33,023 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 02:03:33,024 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 02:03:33,024 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 02:03:33,025 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 02:03:33,033 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:03:33" (1/1) ... [2023-11-12 02:03:33,047 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:03:33" (1/1) ... [2023-11-12 02:03:33,092 INFO L138 Inliner]: procedures = 27, calls = 33, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 133 [2023-11-12 02:03:33,092 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 02:03:33,093 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 02:03:33,094 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 02:03:33,094 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 02:03:33,107 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:03:33" (1/1) ... [2023-11-12 02:03:33,107 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:03:33" (1/1) ... [2023-11-12 02:03:33,112 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:03:33" (1/1) ... [2023-11-12 02:03:33,113 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:03:33" (1/1) ... [2023-11-12 02:03:33,124 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:03:33" (1/1) ... [2023-11-12 02:03:33,128 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:03:33" (1/1) ... [2023-11-12 02:03:33,131 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:03:33" (1/1) ... [2023-11-12 02:03:33,133 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:03:33" (1/1) ... [2023-11-12 02:03:33,138 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 02:03:33,139 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 02:03:33,139 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 02:03:33,139 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 02:03:33,140 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:03:33" (1/1) ... [2023-11-12 02:03:33,154 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 02:03:33,173 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b723e892-55aa-4987-a2e8-5a6c0325bae1/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:03:33,189 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b723e892-55aa-4987-a2e8-5a6c0325bae1/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-12 02:03:33,220 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b723e892-55aa-4987-a2e8-5a6c0325bae1/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-12 02:03:33,229 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 02:03:33,229 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-12 02:03:33,230 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-12 02:03:33,230 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-12 02:03:33,231 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 02:03:33,231 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 02:03:33,345 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 02:03:33,355 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 02:03:34,493 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 02:03:34,500 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 02:03:34,500 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-12 02:03:34,503 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:03:34 BoogieIcfgContainer [2023-11-12 02:03:34,503 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 02:03:34,505 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-12 02:03:34,506 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-12 02:03:34,509 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-12 02:03:34,509 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 02:03:32" (1/3) ... [2023-11-12 02:03:34,510 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@23cf265e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 02:03:34, skipping insertion in model container [2023-11-12 02:03:34,510 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:03:33" (2/3) ... [2023-11-12 02:03:34,511 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@23cf265e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 02:03:34, skipping insertion in model container [2023-11-12 02:03:34,511 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:03:34" (3/3) ... [2023-11-12 02:03:34,512 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_codestructure_normal_file-59.i [2023-11-12 02:03:34,532 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-12 02:03:34,532 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-12 02:03:34,587 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-12 02:03:34,595 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=LoopHeads, 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;@3c76a6aa, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-12 02:03:34,595 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-12 02:03:34,600 INFO L276 IsEmpty]: Start isEmpty. Operand has 61 states, 38 states have (on average 1.394736842105263) internal successors, (53), 39 states have internal predecessors, (53), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2023-11-12 02:03:34,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2023-11-12 02:03:34,617 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:03:34,618 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:03:34,618 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 02:03:34,624 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:03:34,624 INFO L85 PathProgramCache]: Analyzing trace with hash -483950726, now seen corresponding path program 1 times [2023-11-12 02:03:34,644 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-12 02:03:34,645 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [357159747] [2023-11-12 02:03:34,645 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:03:34,645 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 [2023-11-12 02:03:34,646 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b723e892-55aa-4987-a2e8-5a6c0325bae1/bin/uautomizer-verify-uTZkv6EMXl/mathsat [2023-11-12 02:03:34,652 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b723e892-55aa-4987-a2e8-5a6c0325bae1/bin/uautomizer-verify-uTZkv6EMXl/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) [2023-11-12 02:03:34,686 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b723e892-55aa-4987-a2e8-5a6c0325bae1/bin/uautomizer-verify-uTZkv6EMXl/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 [2023-11-12 02:03:35,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:03:35,089 INFO L262 TraceCheckSpWp]: Trace formula consists of 207 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-12 02:03:35,099 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 02:03:35,168 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 398 proven. 0 refuted. 0 times theorem prover too weak. 362 trivial. 0 not checked. [2023-11-12 02:03:35,168 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-12 02:03:35,169 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-12 02:03:35,169 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [357159747] [2023-11-12 02:03:35,170 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [357159747] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:03:35,170 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:03:35,170 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-12 02:03:35,172 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1507174791] [2023-11-12 02:03:35,173 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:03:35,178 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-12 02:03:35,178 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-12 02:03:35,218 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-12 02:03:35,219 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-12 02:03:35,222 INFO L87 Difference]: Start difference. First operand has 61 states, 38 states have (on average 1.394736842105263) internal successors, (53), 39 states have internal predecessors, (53), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) Second operand has 2 states, 2 states have (on average 16.5) internal successors, (33), 2 states have internal predecessors, (33), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2023-11-12 02:03:35,256 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:03:35,257 INFO L93 Difference]: Finished difference Result 115 states and 200 transitions. [2023-11-12 02:03:35,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-12 02:03:35,259 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 16.5) internal successors, (33), 2 states have internal predecessors, (33), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 126 [2023-11-12 02:03:35,260 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 02:03:35,267 INFO L225 Difference]: With dead ends: 115 [2023-11-12 02:03:35,268 INFO L226 Difference]: Without dead ends: 57 [2023-11-12 02:03:35,272 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 125 GetRequests, 125 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-12 02:03:35,275 INFO L413 NwaCegarLoop]: 86 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, 86 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 [2023-11-12 02:03:35,276 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 86 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-12 02:03:35,293 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2023-11-12 02:03:35,318 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 57. [2023-11-12 02:03:35,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 57 states, 35 states have (on average 1.3142857142857143) internal successors, (46), 35 states have internal predecessors, (46), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2023-11-12 02:03:35,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 86 transitions. [2023-11-12 02:03:35,323 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 86 transitions. Word has length 126 [2023-11-12 02:03:35,323 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 02:03:35,324 INFO L495 AbstractCegarLoop]: Abstraction has 57 states and 86 transitions. [2023-11-12 02:03:35,324 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 16.5) internal successors, (33), 2 states have internal predecessors, (33), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2023-11-12 02:03:35,324 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 86 transitions. [2023-11-12 02:03:35,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2023-11-12 02:03:35,328 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:03:35,329 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:03:35,352 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b723e892-55aa-4987-a2e8-5a6c0325bae1/bin/uautomizer-verify-uTZkv6EMXl/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 [2023-11-12 02:03:35,546 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b723e892-55aa-4987-a2e8-5a6c0325bae1/bin/uautomizer-verify-uTZkv6EMXl/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 [2023-11-12 02:03:35,546 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 02:03:35,547 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:03:35,547 INFO L85 PathProgramCache]: Analyzing trace with hash -709650890, now seen corresponding path program 1 times [2023-11-12 02:03:35,548 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-12 02:03:35,548 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1154497112] [2023-11-12 02:03:35,548 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:03:35,549 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 [2023-11-12 02:03:35,549 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b723e892-55aa-4987-a2e8-5a6c0325bae1/bin/uautomizer-verify-uTZkv6EMXl/mathsat [2023-11-12 02:03:35,550 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b723e892-55aa-4987-a2e8-5a6c0325bae1/bin/uautomizer-verify-uTZkv6EMXl/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) [2023-11-12 02:03:35,554 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b723e892-55aa-4987-a2e8-5a6c0325bae1/bin/uautomizer-verify-uTZkv6EMXl/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 [2023-11-12 02:03:35,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:03:35,905 INFO L262 TraceCheckSpWp]: Trace formula consists of 207 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-12 02:03:35,912 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 02:03:35,974 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2023-11-12 02:03:35,975 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-12 02:03:35,975 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-12 02:03:35,975 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1154497112] [2023-11-12 02:03:35,976 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1154497112] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:03:35,976 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:03:35,976 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-12 02:03:35,977 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1846558954] [2023-11-12 02:03:35,977 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:03:35,978 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-12 02:03:35,979 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-12 02:03:35,979 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-12 02:03:35,980 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-12 02:03:35,980 INFO L87 Difference]: Start difference. First operand 57 states and 86 transitions. Second operand has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2023-11-12 02:03:36,664 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:03:36,665 INFO L93 Difference]: Finished difference Result 134 states and 200 transitions. [2023-11-12 02:03:36,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-12 02:03:36,666 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 126 [2023-11-12 02:03:36,667 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 02:03:36,669 INFO L225 Difference]: With dead ends: 134 [2023-11-12 02:03:36,669 INFO L226 Difference]: Without dead ends: 80 [2023-11-12 02:03:36,670 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 125 GetRequests, 124 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-12 02:03:36,672 INFO L413 NwaCegarLoop]: 106 mSDtfsCounter, 29 mSDsluCounter, 68 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 29 SdHoareTripleChecker+Valid, 174 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-11-12 02:03:36,673 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [29 Valid, 174 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-11-12 02:03:36,674 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2023-11-12 02:03:36,690 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 77. [2023-11-12 02:03:36,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 77 states, 52 states have (on average 1.3461538461538463) internal successors, (70), 53 states have internal predecessors, (70), 22 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 21 states have call predecessors, (22), 22 states have call successors, (22) [2023-11-12 02:03:36,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 114 transitions. [2023-11-12 02:03:36,693 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 114 transitions. Word has length 126 [2023-11-12 02:03:36,694 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 02:03:36,694 INFO L495 AbstractCegarLoop]: Abstraction has 77 states and 114 transitions. [2023-11-12 02:03:36,695 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2023-11-12 02:03:36,695 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 114 transitions. [2023-11-12 02:03:36,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2023-11-12 02:03:36,698 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:03:36,698 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:03:36,720 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b723e892-55aa-4987-a2e8-5a6c0325bae1/bin/uautomizer-verify-uTZkv6EMXl/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)] Ended with exit code 0 [2023-11-12 02:03:36,915 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b723e892-55aa-4987-a2e8-5a6c0325bae1/bin/uautomizer-verify-uTZkv6EMXl/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 [2023-11-12 02:03:36,916 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 02:03:36,916 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:03:36,917 INFO L85 PathProgramCache]: Analyzing trace with hash 988947254, now seen corresponding path program 1 times [2023-11-12 02:03:36,918 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-12 02:03:36,918 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1999681850] [2023-11-12 02:03:36,918 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:03:36,918 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 [2023-11-12 02:03:36,919 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b723e892-55aa-4987-a2e8-5a6c0325bae1/bin/uautomizer-verify-uTZkv6EMXl/mathsat [2023-11-12 02:03:36,924 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b723e892-55aa-4987-a2e8-5a6c0325bae1/bin/uautomizer-verify-uTZkv6EMXl/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) [2023-11-12 02:03:36,932 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b723e892-55aa-4987-a2e8-5a6c0325bae1/bin/uautomizer-verify-uTZkv6EMXl/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 [2023-11-12 02:03:37,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:03:37,255 INFO L262 TraceCheckSpWp]: Trace formula consists of 209 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-12 02:03:37,260 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 02:03:37,302 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2023-11-12 02:03:37,306 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-12 02:03:37,307 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-12 02:03:37,307 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1999681850] [2023-11-12 02:03:37,308 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1999681850] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:03:37,308 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:03:37,308 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-12 02:03:37,308 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1734725206] [2023-11-12 02:03:37,308 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:03:37,309 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-12 02:03:37,309 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-12 02:03:37,310 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-12 02:03:37,310 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-12 02:03:37,311 INFO L87 Difference]: Start difference. First operand 77 states and 114 transitions. Second operand has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2023-11-12 02:03:37,729 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:03:37,729 INFO L93 Difference]: Finished difference Result 168 states and 247 transitions. [2023-11-12 02:03:37,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-12 02:03:37,730 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 127 [2023-11-12 02:03:37,731 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 02:03:37,734 INFO L225 Difference]: With dead ends: 168 [2023-11-12 02:03:37,734 INFO L226 Difference]: Without dead ends: 94 [2023-11-12 02:03:37,735 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 126 GetRequests, 125 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-12 02:03:37,737 INFO L413 NwaCegarLoop]: 98 mSDtfsCounter, 20 mSDsluCounter, 68 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 166 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-11-12 02:03:37,737 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 166 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-11-12 02:03:37,738 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94 states. [2023-11-12 02:03:37,750 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94 to 80. [2023-11-12 02:03:37,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 80 states, 55 states have (on average 1.2727272727272727) internal successors, (70), 56 states have internal predecessors, (70), 22 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 21 states have call predecessors, (22), 22 states have call successors, (22) [2023-11-12 02:03:37,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 114 transitions. [2023-11-12 02:03:37,753 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 114 transitions. Word has length 127 [2023-11-12 02:03:37,754 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 02:03:37,754 INFO L495 AbstractCegarLoop]: Abstraction has 80 states and 114 transitions. [2023-11-12 02:03:37,754 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2023-11-12 02:03:37,754 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 114 transitions. [2023-11-12 02:03:37,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2023-11-12 02:03:37,757 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:03:37,757 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:03:37,780 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b723e892-55aa-4987-a2e8-5a6c0325bae1/bin/uautomizer-verify-uTZkv6EMXl/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)] Forceful destruction successful, exit code 0 [2023-11-12 02:03:37,980 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b723e892-55aa-4987-a2e8-5a6c0325bae1/bin/uautomizer-verify-uTZkv6EMXl/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 [2023-11-12 02:03:37,981 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 02:03:37,981 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:03:37,981 INFO L85 PathProgramCache]: Analyzing trace with hash -193170440, now seen corresponding path program 1 times [2023-11-12 02:03:37,982 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-12 02:03:37,982 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2110768013] [2023-11-12 02:03:37,982 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:03:37,983 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 [2023-11-12 02:03:37,983 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b723e892-55aa-4987-a2e8-5a6c0325bae1/bin/uautomizer-verify-uTZkv6EMXl/mathsat [2023-11-12 02:03:37,984 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b723e892-55aa-4987-a2e8-5a6c0325bae1/bin/uautomizer-verify-uTZkv6EMXl/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) [2023-11-12 02:03:38,035 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b723e892-55aa-4987-a2e8-5a6c0325bae1/bin/uautomizer-verify-uTZkv6EMXl/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 (5)] Waiting until timeout for monitored process [2023-11-12 02:03:38,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:03:38,405 INFO L262 TraceCheckSpWp]: Trace formula consists of 208 conjuncts, 15 conjunts are in the unsatisfiable core [2023-11-12 02:03:38,410 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 02:04:04,040 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-12 02:04:04,040 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2110768013] [2023-11-12 02:04:04,041 WARN L320 FreeRefinementEngine]: Global settings require throwing the following exception [2023-11-12 02:04:04,054 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b723e892-55aa-4987-a2e8-5a6c0325bae1/bin/uautomizer-verify-uTZkv6EMXl/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 (5)] Forceful destruction successful, exit code 0 [2023-11-12 02:04:04,241 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b723e892-55aa-4987-a2e8-5a6c0325bae1/bin/uautomizer-verify-uTZkv6EMXl/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 [2023-11-12 02:04:04,242 FATAL L? ?]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: line 13565 column 7: push canceled at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser$Action$.CUP$do_action(Parser.java:1511) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser.do_action(Parser.java:701) at com.github.jhoenicke.javacup.runtime.LRParser.parse(LRParser.java:383) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:258) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parseSuccess(Executor.java:277) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Scriptor.push(Scriptor.java:133) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.arrays.DiffWrapperScript.push(DiffWrapperScript.java:90) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.push(WrapperScript.java:148) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.HistoryRecordingScript.push(HistoryRecordingScript.java:107) at de.uni_freiburg.informatik.ultimate.logic.Util.checkSat(Util.java:48) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SimplifyDDA2.checkRedundancy(SimplifyDDA2.java:226) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SimplifyDDA2.convertForPreprocessedInputTerms(SimplifyDDA2.java:359) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SimplifyDDA2.convert(SimplifyDDA2.java:343) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SimplifyDDA2.convert(SimplifyDDA2.java:1) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:88) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:84) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SimplifyDDA2.simplify(SimplifyDDA2.java:441) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SmtUtils.simplify(SmtUtils.java:252) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SmtUtils.simplifyWithStatistics(SmtUtils.java:324) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify(QuantifierPusher.java:731) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.convert(QuantifierPushTermWalker.java:140) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.convert(QuantifierPushTermWalker.java:1) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine$ApplicationTermTask.doStep(TermContextTransformationEngine.java:209) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:100) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:84) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.eliminate(QuantifierPushTermWalker.java:297) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.pushInner(QuantifierPusher.java:275) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.convert(QuantifierPushTermWalker.java:194) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.convert(QuantifierPushTermWalker.java:1) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine$ApplicationTermTask.doStep(TermContextTransformationEngine.java:209) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:100) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:84) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.eliminate(QuantifierPushTermWalker.java:297) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushUtilsForSubsetPush.pushMinionEliminatees(QuantifierPushUtilsForSubsetPush.java:255) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushUtilsForSubsetPush.sequentialSubsetPush(QuantifierPushUtilsForSubsetPush.java:151) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.tryToPushOverDualFiniteConnective(QuantifierPusher.java:338) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.convert(QuantifierPushTermWalker.java:189) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.convert(QuantifierPushTermWalker.java:1) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:88) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:84) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.eliminate(QuantifierPushTermWalker.java:297) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushUtilsForSubsetPush.pushMinionEliminatees(QuantifierPushUtilsForSubsetPush.java:255) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushUtilsForSubsetPush.sequentialSubsetPush(QuantifierPushUtilsForSubsetPush.java:151) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.tryToPushOverDualFiniteConnective(QuantifierPusher.java:338) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.convert(QuantifierPushTermWalker.java:189) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.convert(QuantifierPushTermWalker.java:1) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:88) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:84) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.eliminate(QuantifierPushTermWalker.java:297) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.eliminate(QuantifierPushTermWalker.java:283) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.PartialQuantifierElimination.eliminate(PartialQuantifierElimination.java:51) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer$QuantifierEliminationPostprocessor.postprocess(IterativePredicateTransformer.java:238) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.applyPostprocessors(IterativePredicateTransformer.java:420) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.computeStrongestPostconditionSequence(IterativePredicateTransformer.java:199) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolantsUsingUnsatCore(TraceCheckSpWp.java:298) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolants(TraceCheckSpWp.java:184) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.(TraceCheckSpWp.java:162) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:101) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.isCorrect(IpTcStrategyModuleBase.java:57) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.checkFeasibility(AutomatonFreeRefinementEngine.java:210) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:121) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:82) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:337) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:431) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:366) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:348) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:416) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:303) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseSequentialProgram(TraceAbstractionStarter.java:263) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:176) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:155) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2023-11-12 02:04:04,246 INFO L158 Benchmark]: Toolchain (without parser) took 31683.73ms. Allocated memory was 102.8MB in the beginning and 123.7MB in the end (delta: 21.0MB). Free memory was 78.0MB in the beginning and 74.8MB in the end (delta: 3.2MB). Peak memory consumption was 27.7MB. Max. memory is 16.1GB. [2023-11-12 02:04:04,247 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 71.3MB. Free memory was 46.9MB in the beginning and 46.8MB in the end (delta: 84.0kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 02:04:04,247 INFO L158 Benchmark]: CACSL2BoogieTranslator took 457.36ms. Allocated memory is still 102.8MB. Free memory was 77.7MB in the beginning and 64.0MB in the end (delta: 13.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-12 02:04:04,248 INFO L158 Benchmark]: Boogie Procedure Inliner took 68.61ms. Allocated memory is still 102.8MB. Free memory was 64.0MB in the beginning and 61.7MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-12 02:04:04,248 INFO L158 Benchmark]: Boogie Preprocessor took 44.84ms. Allocated memory is still 102.8MB. Free memory was 61.7MB in the beginning and 59.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-12 02:04:04,249 INFO L158 Benchmark]: RCFGBuilder took 1364.22ms. Allocated memory is still 102.8MB. Free memory was 59.6MB in the beginning and 70.9MB in the end (delta: -11.4MB). Peak memory consumption was 13.2MB. Max. memory is 16.1GB. [2023-11-12 02:04:04,249 INFO L158 Benchmark]: TraceAbstraction took 29740.20ms. Allocated memory was 102.8MB in the beginning and 123.7MB in the end (delta: 21.0MB). Free memory was 70.6MB in the beginning and 74.8MB in the end (delta: -4.3MB). Peak memory consumption was 18.7MB. Max. memory is 16.1GB. [2023-11-12 02:04:04,252 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 71.3MB. Free memory was 46.9MB in the beginning and 46.8MB in the end (delta: 84.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 457.36ms. Allocated memory is still 102.8MB. Free memory was 77.7MB in the beginning and 64.0MB in the end (delta: 13.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 68.61ms. Allocated memory is still 102.8MB. Free memory was 64.0MB in the beginning and 61.7MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 44.84ms. Allocated memory is still 102.8MB. Free memory was 61.7MB in the beginning and 59.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1364.22ms. Allocated memory is still 102.8MB. Free memory was 59.6MB in the beginning and 70.9MB in the end (delta: -11.4MB). Peak memory consumption was 13.2MB. Max. memory is 16.1GB. * TraceAbstraction took 29740.20ms. Allocated memory was 102.8MB in the beginning and 123.7MB in the end (delta: 21.0MB). Free memory was 70.6MB in the beginning and 74.8MB in the end (delta: -4.3MB). Peak memory consumption was 18.7MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: SMTLIBException: line 13565 column 7: push canceled de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMTLIBException: line 13565 column 7: push canceled: de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser$Action$.CUP$do_action(Parser.java:1511) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-12 02:04:04,496 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b723e892-55aa-4987-a2e8-5a6c0325bae1/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forcibly destroying the process [2023-11-12 02:04:04,543 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b723e892-55aa-4987-a2e8-5a6c0325bae1/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 137 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: SMTLIBException: line 13565 column 7: push canceled