./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-53.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e7bb482b Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91c235a4-4400-4486-ac92-a45781f98c69/bin/uautomizer-verify-WvqO1wxjHP/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91c235a4-4400-4486-ac92-a45781f98c69/bin/uautomizer-verify-WvqO1wxjHP/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91c235a4-4400-4486-ac92-a45781f98c69/bin/uautomizer-verify-WvqO1wxjHP/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91c235a4-4400-4486-ac92-a45781f98c69/bin/uautomizer-verify-WvqO1wxjHP/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-53.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91c235a4-4400-4486-ac92-a45781f98c69/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91c235a4-4400-4486-ac92-a45781f98c69/bin/uautomizer-verify-WvqO1wxjHP --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 3ddb7215ca3e5e9ca1b1e870ca103f03a36cdc53c61a6db7279d389f4fde4871 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-e7bb482 [2023-11-06 22:42:35,770 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-06 22:42:35,889 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91c235a4-4400-4486-ac92-a45781f98c69/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-06 22:42:35,905 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-06 22:42:35,906 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-06 22:42:35,973 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-06 22:42:35,974 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-06 22:42:35,975 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-06 22:42:35,978 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-06 22:42:35,985 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-06 22:42:35,986 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-06 22:42:35,986 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-06 22:42:35,987 INFO L153 SettingsManager]: * Use SBE=true [2023-11-06 22:42:35,987 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-06 22:42:35,988 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-06 22:42:35,989 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-06 22:42:35,989 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-06 22:42:35,990 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-06 22:42:35,990 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-06 22:42:35,991 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-06 22:42:35,991 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-06 22:42:35,994 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-06 22:42:35,995 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-06 22:42:35,995 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-06 22:42:35,996 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-06 22:42:35,997 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-06 22:42:35,998 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-06 22:42:35,998 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-06 22:42:35,999 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:42:35,999 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-06 22:42:36,001 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-06 22:42:36,001 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-11-06 22:42:36,001 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-06 22:42:36,002 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-06 22:42:36,002 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-06 22:42:36,002 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-06 22:42:36,002 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-06 22:42:36,003 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-06 22:42:36,003 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-06 22:42:36,003 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_91c235a4-4400-4486-ac92-a45781f98c69/bin/uautomizer-verify-WvqO1wxjHP/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91c235a4-4400-4486-ac92-a45781f98c69/bin/uautomizer-verify-WvqO1wxjHP Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3ddb7215ca3e5e9ca1b1e870ca103f03a36cdc53c61a6db7279d389f4fde4871 [2023-11-06 22:42:36,364 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-06 22:42:36,406 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-06 22:42:36,409 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-06 22:42:36,412 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-06 22:42:36,412 INFO L274 PluginConnector]: CDTParser initialized [2023-11-06 22:42:36,414 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91c235a4-4400-4486-ac92-a45781f98c69/bin/uautomizer-verify-WvqO1wxjHP/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-53.i [2023-11-06 22:42:40,355 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-06 22:42:40,661 INFO L384 CDTParser]: Found 1 translation units. [2023-11-06 22:42:40,667 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91c235a4-4400-4486-ac92-a45781f98c69/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-53.i [2023-11-06 22:42:40,684 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91c235a4-4400-4486-ac92-a45781f98c69/bin/uautomizer-verify-WvqO1wxjHP/data/c0ed8db4d/9982a9e7354a486ca786a30e991f0003/FLAG1a9f9b6b4 [2023-11-06 22:42:40,700 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91c235a4-4400-4486-ac92-a45781f98c69/bin/uautomizer-verify-WvqO1wxjHP/data/c0ed8db4d/9982a9e7354a486ca786a30e991f0003 [2023-11-06 22:42:40,704 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-06 22:42:40,706 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-06 22:42:40,708 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-06 22:42:40,708 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-06 22:42:40,715 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-06 22:42:40,716 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:42:40" (1/1) ... [2023-11-06 22:42:40,718 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5209be7a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:42:40, skipping insertion in model container [2023-11-06 22:42:40,718 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:42:40" (1/1) ... [2023-11-06 22:42:40,758 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 22:42:40,956 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_91c235a4-4400-4486-ac92-a45781f98c69/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-53.i[915,928] [2023-11-06 22:42:41,006 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:42:41,020 INFO L202 MainTranslator]: Completed pre-run [2023-11-06 22:42:41,036 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_91c235a4-4400-4486-ac92-a45781f98c69/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-53.i[915,928] [2023-11-06 22:42:41,064 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:42:41,086 INFO L206 MainTranslator]: Completed translation [2023-11-06 22:42:41,087 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:42:41 WrapperNode [2023-11-06 22:42:41,087 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-06 22:42:41,089 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-06 22:42:41,089 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-06 22:42:41,089 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-06 22:42:41,099 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:42:41" (1/1) ... [2023-11-06 22:42:41,111 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:42:41" (1/1) ... [2023-11-06 22:42:41,145 INFO L138 Inliner]: procedures = 26, calls = 29, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 108 [2023-11-06 22:42:41,146 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-06 22:42:41,147 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-06 22:42:41,147 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-06 22:42:41,147 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-06 22:42:41,159 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:42:41" (1/1) ... [2023-11-06 22:42:41,160 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:42:41" (1/1) ... [2023-11-06 22:42:41,164 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:42:41" (1/1) ... [2023-11-06 22:42:41,164 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:42:41" (1/1) ... [2023-11-06 22:42:41,172 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:42:41" (1/1) ... [2023-11-06 22:42:41,177 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:42:41" (1/1) ... [2023-11-06 22:42:41,179 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:42:41" (1/1) ... [2023-11-06 22:42:41,181 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:42:41" (1/1) ... [2023-11-06 22:42:41,185 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-06 22:42:41,187 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-06 22:42:41,187 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-06 22:42:41,187 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-06 22:42:41,188 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:42:41" (1/1) ... [2023-11-06 22:42:41,197 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:42:41,218 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91c235a4-4400-4486-ac92-a45781f98c69/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:42:41,233 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91c235a4-4400-4486-ac92-a45781f98c69/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-06 22:42:41,273 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91c235a4-4400-4486-ac92-a45781f98c69/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-06 22:42:41,312 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-06 22:42:41,313 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-06 22:42:41,313 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-06 22:42:41,314 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-06 22:42:41,314 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-06 22:42:41,314 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-06 22:42:41,483 INFO L236 CfgBuilder]: Building ICFG [2023-11-06 22:42:41,485 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-06 22:42:41,832 INFO L277 CfgBuilder]: Performing block encoding [2023-11-06 22:42:41,840 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-06 22:42:41,840 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-06 22:42:41,843 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:42:41 BoogieIcfgContainer [2023-11-06 22:42:41,843 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-06 22:42:41,847 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-06 22:42:41,848 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-06 22:42:41,852 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-06 22:42:41,852 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 10:42:40" (1/3) ... [2023-11-06 22:42:41,853 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@32e15998 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:42:41, skipping insertion in model container [2023-11-06 22:42:41,853 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:42:41" (2/3) ... [2023-11-06 22:42:41,854 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@32e15998 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:42:41, skipping insertion in model container [2023-11-06 22:42:41,854 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:42:41" (3/3) ... [2023-11-06 22:42:41,856 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount25_file-53.i [2023-11-06 22:42:41,882 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-06 22:42:41,882 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-06 22:42:41,947 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-06 22:42:41,955 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@7aba665d, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-06 22:42:41,955 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-06 22:42:41,959 INFO L276 IsEmpty]: Start isEmpty. Operand has 50 states, 31 states have (on average 1.2903225806451613) internal successors, (40), 32 states have internal predecessors, (40), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2023-11-06 22:42:41,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2023-11-06 22:42:41,977 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:42:41,978 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:42:41,979 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:42:41,985 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:42:41,986 INFO L85 PathProgramCache]: Analyzing trace with hash 429983085, now seen corresponding path program 1 times [2023-11-06 22:42:41,999 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:42:41,999 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1277461503] [2023-11-06 22:42:42,000 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:42:42,001 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:42:42,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:42:42,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-06 22:42:42,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:42:42,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-06 22:42:42,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:42:42,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-11-06 22:42:42,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:42:42,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-06 22:42:42,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:42:42,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2023-11-06 22:42:42,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:42:42,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-11-06 22:42:42,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:42:42,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-11-06 22:42:42,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:42:42,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-11-06 22:42:42,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:42:42,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2023-11-06 22:42:42,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:42:42,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2023-11-06 22:42:42,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:42:42,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2023-11-06 22:42:42,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:42:42,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2023-11-06 22:42:42,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:42:42,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-11-06 22:42:42,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:42:42,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2023-11-06 22:42:42,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:42:42,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2023-11-06 22:42:42,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:42:42,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2023-11-06 22:42:42,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:42:42,550 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2023-11-06 22:42:42,551 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:42:42,551 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1277461503] [2023-11-06 22:42:42,552 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1277461503] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:42:42,553 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:42:42,553 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-06 22:42:42,555 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [923054196] [2023-11-06 22:42:42,556 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:42:42,562 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-06 22:42:42,563 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:42:42,604 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-06 22:42:42,605 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-06 22:42:42,608 INFO L87 Difference]: Start difference. First operand has 50 states, 31 states have (on average 1.2903225806451613) internal successors, (40), 32 states have internal predecessors, (40), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) Second operand has 2 states, 2 states have (on average 12.5) internal successors, (25), 2 states have internal predecessors, (25), 2 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 2 states have call successors, (16) [2023-11-06 22:42:42,647 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:42:42,647 INFO L93 Difference]: Finished difference Result 93 states and 154 transitions. [2023-11-06 22:42:42,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-06 22:42:42,650 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 12.5) internal successors, (25), 2 states have internal predecessors, (25), 2 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 2 states have call successors, (16) Word has length 102 [2023-11-06 22:42:42,651 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:42:42,661 INFO L225 Difference]: With dead ends: 93 [2023-11-06 22:42:42,661 INFO L226 Difference]: Without dead ends: 46 [2023-11-06 22:42:42,666 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-06 22:42:42,675 INFO L413 NwaCegarLoop]: 65 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, 65 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-06 22:42:42,676 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 65 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 22:42:42,693 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2023-11-06 22:42:42,724 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 46. [2023-11-06 22:42:42,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 46 states, 28 states have (on average 1.1785714285714286) internal successors, (33), 28 states have internal predecessors, (33), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2023-11-06 22:42:42,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 65 transitions. [2023-11-06 22:42:42,732 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 65 transitions. Word has length 102 [2023-11-06 22:42:42,732 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:42:42,733 INFO L495 AbstractCegarLoop]: Abstraction has 46 states and 65 transitions. [2023-11-06 22:42:42,733 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 12.5) internal successors, (25), 2 states have internal predecessors, (25), 2 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 2 states have call successors, (16) [2023-11-06 22:42:42,733 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 65 transitions. [2023-11-06 22:42:42,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2023-11-06 22:42:42,738 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:42:42,739 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:42:42,739 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-06 22:42:42,740 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:42:42,741 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:42:42,741 INFO L85 PathProgramCache]: Analyzing trace with hash -620017035, now seen corresponding path program 1 times [2023-11-06 22:42:42,741 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:42:42,742 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [98729846] [2023-11-06 22:42:42,742 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:42:42,743 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:42:43,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:42:46,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-06 22:42:46,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:42:46,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-06 22:42:46,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:42:46,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-11-06 22:42:46,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:42:46,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-06 22:42:46,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:42:46,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2023-11-06 22:42:46,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:42:46,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-11-06 22:42:46,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:42:46,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-11-06 22:42:46,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:42:46,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-11-06 22:42:46,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:42:46,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2023-11-06 22:42:46,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:42:46,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2023-11-06 22:42:46,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:42:46,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2023-11-06 22:42:46,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:42:46,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2023-11-06 22:42:46,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:42:46,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-11-06 22:42:46,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:42:46,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2023-11-06 22:42:46,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:42:46,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2023-11-06 22:42:46,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:42:46,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2023-11-06 22:42:46,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:42:46,818 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 21 proven. 159 refuted. 0 times theorem prover too weak. 300 trivial. 0 not checked. [2023-11-06 22:42:46,819 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:42:46,819 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [98729846] [2023-11-06 22:42:46,820 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [98729846] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-06 22:42:46,821 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1147356521] [2023-11-06 22:42:46,822 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:42:46,827 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:42:46,827 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91c235a4-4400-4486-ac92-a45781f98c69/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:42:46,835 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91c235a4-4400-4486-ac92-a45781f98c69/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:42:46,865 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91c235a4-4400-4486-ac92-a45781f98c69/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-06 22:42:47,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:42:47,157 INFO L262 TraceCheckSpWp]: Trace formula consists of 248 conjuncts, 37 conjunts are in the unsatisfiable core [2023-11-06 22:42:47,171 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:42:56,066 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 207 proven. 159 refuted. 0 times theorem prover too weak. 114 trivial. 0 not checked. [2023-11-06 22:42:56,066 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-06 22:44:09,590 WARN L293 SmtUtils]: Spent 29.90s on a formula simplification. DAG size of input: 82 DAG size of output: 60 (called from [L 376] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-11-06 22:44:32,522 WARN L293 SmtUtils]: Spent 5.10s on a formula simplification that was a NOOP. DAG size: 48 (called from [L 376] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-11-06 22:44:52,081 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1147356521] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-06 22:44:52,082 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-06 22:44:52,082 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 23] total 31 [2023-11-06 22:44:52,083 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1471126984] [2023-11-06 22:44:52,084 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-06 22:44:52,086 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 31 states [2023-11-06 22:44:52,086 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:44:52,088 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2023-11-06 22:44:52,090 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=337, Invalid=1377, Unknown=8, NotChecked=0, Total=1722 [2023-11-06 22:44:52,091 INFO L87 Difference]: Start difference. First operand 46 states and 65 transitions. Second operand has 31 states, 29 states have (on average 2.103448275862069) internal successors, (61), 27 states have internal predecessors, (61), 11 states have call successors, (30), 7 states have call predecessors, (30), 9 states have return successors, (30), 11 states have call predecessors, (30), 11 states have call successors, (30) [2023-11-06 22:44:55,960 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.08s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-06 22:44:58,164 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-06 22:44:59,761 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.07s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-06 22:45:00,089 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:45:00,089 INFO L93 Difference]: Finished difference Result 142 states and 178 transitions. [2023-11-06 22:45:00,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2023-11-06 22:45:00,091 INFO L78 Accepts]: Start accepts. Automaton has has 31 states, 29 states have (on average 2.103448275862069) internal successors, (61), 27 states have internal predecessors, (61), 11 states have call successors, (30), 7 states have call predecessors, (30), 9 states have return successors, (30), 11 states have call predecessors, (30), 11 states have call successors, (30) Word has length 102 [2023-11-06 22:45:00,092 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:45:00,095 INFO L225 Difference]: With dead ends: 142 [2023-11-06 22:45:00,095 INFO L226 Difference]: Without dead ends: 99 [2023-11-06 22:45:00,099 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 239 GetRequests, 182 SyntacticMatches, 2 SemanticMatches, 55 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 671 ImplicationChecksByTransitivity, 77.9s TimeCoverageRelationStatistics Valid=683, Invalid=2501, Unknown=8, NotChecked=0, Total=3192 [2023-11-06 22:45:00,101 INFO L413 NwaCegarLoop]: 63 mSDtfsCounter, 183 mSDsluCounter, 375 mSDsCounter, 0 mSdLazyCounter, 717 mSolverCounterSat, 17 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 185 SdHoareTripleChecker+Valid, 438 SdHoareTripleChecker+Invalid, 735 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 717 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.0s IncrementalHoareTripleChecker+Time [2023-11-06 22:45:00,102 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [185 Valid, 438 Invalid, 735 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 717 Invalid, 1 Unknown, 0 Unchecked, 6.0s Time] [2023-11-06 22:45:00,103 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 99 states. [2023-11-06 22:45:00,129 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 99 to 72. [2023-11-06 22:45:00,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 72 states, 48 states have (on average 1.1041666666666667) internal successors, (53), 48 states have internal predecessors, (53), 16 states have call successors, (16), 7 states have call predecessors, (16), 7 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2023-11-06 22:45:00,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 85 transitions. [2023-11-06 22:45:00,133 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 85 transitions. Word has length 102 [2023-11-06 22:45:00,134 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:45:00,134 INFO L495 AbstractCegarLoop]: Abstraction has 72 states and 85 transitions. [2023-11-06 22:45:00,135 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 31 states, 29 states have (on average 2.103448275862069) internal successors, (61), 27 states have internal predecessors, (61), 11 states have call successors, (30), 7 states have call predecessors, (30), 9 states have return successors, (30), 11 states have call predecessors, (30), 11 states have call successors, (30) [2023-11-06 22:45:00,135 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 85 transitions. [2023-11-06 22:45:00,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2023-11-06 22:45:00,138 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:45:00,138 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:45:00,157 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91c235a4-4400-4486-ac92-a45781f98c69/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-06 22:45:00,346 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91c235a4-4400-4486-ac92-a45781f98c69/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:45:00,346 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:45:00,347 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:45:00,347 INFO L85 PathProgramCache]: Analyzing trace with hash 1154990327, now seen corresponding path program 1 times [2023-11-06 22:45:00,348 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:45:00,348 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1246273016] [2023-11-06 22:45:00,348 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:45:00,348 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:45:00,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:45:00,452 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-06 22:45:00,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:45:00,585 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-06 22:45:00,586 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-06 22:45:00,587 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-06 22:45:00,589 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-06 22:45:00,594 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2023-11-06 22:45:00,599 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-06 22:45:00,696 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.11 10:45:00 BoogieIcfgContainer [2023-11-06 22:45:00,696 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-06 22:45:00,697 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-06 22:45:00,697 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-06 22:45:00,698 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-06 22:45:00,698 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:42:41" (3/4) ... [2023-11-06 22:45:00,701 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-06 22:45:00,703 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-06 22:45:00,704 INFO L158 Benchmark]: Toolchain (without parser) took 139997.81ms. Allocated memory was 144.7MB in the beginning and 220.2MB in the end (delta: 75.5MB). Free memory was 99.2MB in the beginning and 65.1MB in the end (delta: 34.1MB). Peak memory consumption was 110.1MB. Max. memory is 16.1GB. [2023-11-06 22:45:00,704 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 144.7MB. Free memory is still 116.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 22:45:00,705 INFO L158 Benchmark]: CACSL2BoogieTranslator took 379.85ms. Allocated memory is still 144.7MB. Free memory was 98.6MB in the beginning and 86.6MB in the end (delta: 12.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-06 22:45:00,706 INFO L158 Benchmark]: Boogie Procedure Inliner took 57.47ms. Allocated memory is still 144.7MB. Free memory was 86.6MB in the beginning and 84.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-06 22:45:00,706 INFO L158 Benchmark]: Boogie Preprocessor took 38.83ms. Allocated memory is still 144.7MB. Free memory was 84.5MB in the beginning and 83.4MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 22:45:00,707 INFO L158 Benchmark]: RCFGBuilder took 656.61ms. Allocated memory is still 144.7MB. Free memory was 83.4MB in the beginning and 68.7MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-06 22:45:00,708 INFO L158 Benchmark]: TraceAbstraction took 138849.27ms. Allocated memory was 144.7MB in the beginning and 220.2MB in the end (delta: 75.5MB). Free memory was 68.2MB in the beginning and 65.1MB in the end (delta: 3.2MB). Peak memory consumption was 80.8MB. Max. memory is 16.1GB. [2023-11-06 22:45:00,709 INFO L158 Benchmark]: Witness Printer took 5.75ms. Allocated memory is still 220.2MB. Free memory is still 65.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 22:45:00,712 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 144.7MB. Free memory is still 116.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 379.85ms. Allocated memory is still 144.7MB. Free memory was 98.6MB in the beginning and 86.6MB in the end (delta: 12.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 57.47ms. Allocated memory is still 144.7MB. Free memory was 86.6MB in the beginning and 84.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 38.83ms. Allocated memory is still 144.7MB. Free memory was 84.5MB in the beginning and 83.4MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 656.61ms. Allocated memory is still 144.7MB. Free memory was 83.4MB in the beginning and 68.7MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 138849.27ms. Allocated memory was 144.7MB in the beginning and 220.2MB in the end (delta: 75.5MB). Free memory was 68.2MB in the beginning and 65.1MB in the end (delta: 3.2MB). Peak memory consumption was 80.8MB. Max. memory is 16.1GB. * Witness Printer took 5.75ms. Allocated memory is still 220.2MB. Free memory is still 65.1MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 90, overapproximation of someBinaryDOUBLEComparisonOperation at line 90, overapproximation of someBinaryArithmeticFLOAToperation at line 43. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned long int var_1_1 = 5; [L23] unsigned long int var_1_2 = 500; [L24] unsigned long int var_1_3 = 1456677701; [L25] unsigned long int var_1_4 = 1000000000; [L26] unsigned long int var_1_5 = 1; [L27] unsigned char var_1_6 = 0; [L28] unsigned char var_1_7 = 0; [L29] unsigned char var_1_8 = 0; [L30] unsigned char var_1_11 = 0; [L31] float var_1_12 = 128.6; [L32] float var_1_13 = 500.4; [L33] float var_1_14 = 8.5; [L34] double var_1_15 = 255.8; [L35] double var_1_16 = 25.75; [L36] float var_1_17 = 1.2; [L37] float var_1_18 = 9.6; VAL [isInitial=0, var_1_11=0, var_1_12=643/5, var_1_13=2502/5, var_1_14=17/2, var_1_15=1279/5, var_1_16=103/4, var_1_17=6/5, var_1_18=48/5, var_1_1=5, var_1_2=500, var_1_3=1456677701, var_1_4=1000000000, var_1_5=1, var_1_6=0, var_1_7=0, var_1_8=0] [L94] isInitial = 1 [L95] FCALL initially() [L96] COND TRUE 1 [L97] FCALL updateLastVariables() [L98] CALL updateVariables() [L60] var_1_2 = __VERIFIER_nondet_ulong() [L61] CALL assume_abort_if_not(var_1_2 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_11=0, var_1_12=643/5, var_1_13=2502/5, var_1_14=17/2, var_1_15=1279/5, var_1_16=103/4, var_1_17=6/5, var_1_18=48/5, var_1_1=5, var_1_3=1456677701, var_1_4=1000000000, var_1_5=1, var_1_6=0, var_1_7=0, var_1_8=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_11=0, var_1_12=643/5, var_1_13=2502/5, var_1_14=17/2, var_1_15=1279/5, var_1_16=103/4, var_1_17=6/5, var_1_18=48/5, var_1_1=5, var_1_3=1456677701, var_1_4=1000000000, var_1_5=1, var_1_6=0, var_1_7=0, var_1_8=0] [L61] RET assume_abort_if_not(var_1_2 >= 0) VAL [isInitial=1, var_1_11=0, var_1_12=643/5, var_1_13=2502/5, var_1_14=17/2, var_1_15=1279/5, var_1_16=103/4, var_1_17=6/5, var_1_18=48/5, var_1_1=5, var_1_3=1456677701, var_1_4=1000000000, var_1_5=1, var_1_6=0, var_1_7=0, var_1_8=0] [L62] CALL assume_abort_if_not(var_1_2 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_11=0, var_1_12=643/5, var_1_13=2502/5, var_1_14=17/2, var_1_15=1279/5, var_1_16=103/4, var_1_17=6/5, var_1_18=48/5, var_1_1=5, var_1_2=2147483647, var_1_3=1456677701, var_1_4=1000000000, var_1_5=1, var_1_6=0, var_1_7=0, var_1_8=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_11=0, var_1_12=643/5, var_1_13=2502/5, var_1_14=17/2, var_1_15=1279/5, var_1_16=103/4, var_1_17=6/5, var_1_18=48/5, var_1_1=5, var_1_2=2147483647, var_1_3=1456677701, var_1_4=1000000000, var_1_5=1, var_1_6=0, var_1_7=0, var_1_8=0] [L62] RET assume_abort_if_not(var_1_2 <= 2147483647) VAL [isInitial=1, var_1_11=0, var_1_12=643/5, var_1_13=2502/5, var_1_14=17/2, var_1_15=1279/5, var_1_16=103/4, var_1_17=6/5, var_1_18=48/5, var_1_1=5, var_1_2=2147483647, var_1_3=1456677701, var_1_4=1000000000, var_1_5=1, var_1_6=0, var_1_7=0, var_1_8=0] [L63] var_1_3 = __VERIFIER_nondet_ulong() [L64] CALL assume_abort_if_not(var_1_3 >= 1073741823) VAL [\old(cond)=1, isInitial=1, var_1_11=0, var_1_12=643/5, var_1_13=2502/5, var_1_14=17/2, var_1_15=1279/5, var_1_16=103/4, var_1_17=6/5, var_1_18=48/5, var_1_1=5, var_1_2=2147483647, var_1_3=1073741823, var_1_4=1000000000, var_1_5=1, var_1_6=0, var_1_7=0, var_1_8=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_11=0, var_1_12=643/5, var_1_13=2502/5, var_1_14=17/2, var_1_15=1279/5, var_1_16=103/4, var_1_17=6/5, var_1_18=48/5, var_1_1=5, var_1_2=2147483647, var_1_3=1073741823, var_1_4=1000000000, var_1_5=1, var_1_6=0, var_1_7=0, var_1_8=0] [L64] RET assume_abort_if_not(var_1_3 >= 1073741823) VAL [isInitial=1, var_1_11=0, var_1_12=643/5, var_1_13=2502/5, var_1_14=17/2, var_1_15=1279/5, var_1_16=103/4, var_1_17=6/5, var_1_18=48/5, var_1_1=5, var_1_2=2147483647, var_1_3=1073741823, var_1_4=1000000000, var_1_5=1, var_1_6=0, var_1_7=0, var_1_8=0] [L65] CALL assume_abort_if_not(var_1_3 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_11=0, var_1_12=643/5, var_1_13=2502/5, var_1_14=17/2, var_1_15=1279/5, var_1_16=103/4, var_1_17=6/5, var_1_18=48/5, var_1_1=5, var_1_2=2147483647, var_1_3=1073741823, var_1_4=1000000000, var_1_5=1, var_1_6=0, var_1_7=0, var_1_8=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_11=0, var_1_12=643/5, var_1_13=2502/5, var_1_14=17/2, var_1_15=1279/5, var_1_16=103/4, var_1_17=6/5, var_1_18=48/5, var_1_1=5, var_1_2=2147483647, var_1_3=1073741823, var_1_4=1000000000, var_1_5=1, var_1_6=0, var_1_7=0, var_1_8=0] [L65] RET assume_abort_if_not(var_1_3 <= 2147483647) VAL [isInitial=1, var_1_11=0, var_1_12=643/5, var_1_13=2502/5, var_1_14=17/2, var_1_15=1279/5, var_1_16=103/4, var_1_17=6/5, var_1_18=48/5, var_1_1=5, var_1_2=2147483647, var_1_3=1073741823, var_1_4=1000000000, var_1_5=1, var_1_6=0, var_1_7=0, var_1_8=0] [L66] var_1_4 = __VERIFIER_nondet_ulong() [L67] CALL assume_abort_if_not(var_1_4 >= 536870911) VAL [\old(cond)=1, isInitial=1, var_1_11=0, var_1_12=643/5, var_1_13=2502/5, var_1_14=17/2, var_1_15=1279/5, var_1_16=103/4, var_1_17=6/5, var_1_18=48/5, var_1_1=5, var_1_2=2147483647, var_1_3=1073741823, var_1_4=536870911, var_1_5=1, var_1_6=0, var_1_7=0, var_1_8=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_11=0, var_1_12=643/5, var_1_13=2502/5, var_1_14=17/2, var_1_15=1279/5, var_1_16=103/4, var_1_17=6/5, var_1_18=48/5, var_1_1=5, var_1_2=2147483647, var_1_3=1073741823, var_1_4=536870911, var_1_5=1, var_1_6=0, var_1_7=0, var_1_8=0] [L67] RET assume_abort_if_not(var_1_4 >= 536870911) VAL [isInitial=1, var_1_11=0, var_1_12=643/5, var_1_13=2502/5, var_1_14=17/2, var_1_15=1279/5, var_1_16=103/4, var_1_17=6/5, var_1_18=48/5, var_1_1=5, var_1_2=2147483647, var_1_3=1073741823, var_1_4=536870911, var_1_5=1, var_1_6=0, var_1_7=0, var_1_8=0] [L68] CALL assume_abort_if_not(var_1_4 <= 1073741823) VAL [\old(cond)=1, isInitial=1, var_1_11=0, var_1_12=643/5, var_1_13=2502/5, var_1_14=17/2, var_1_15=1279/5, var_1_16=103/4, var_1_17=6/5, var_1_18=48/5, var_1_1=5, var_1_2=2147483647, var_1_3=1073741823, var_1_4=536870911, var_1_5=1, var_1_6=0, var_1_7=0, var_1_8=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_11=0, var_1_12=643/5, var_1_13=2502/5, var_1_14=17/2, var_1_15=1279/5, var_1_16=103/4, var_1_17=6/5, var_1_18=48/5, var_1_1=5, var_1_2=2147483647, var_1_3=1073741823, var_1_4=536870911, var_1_5=1, var_1_6=0, var_1_7=0, var_1_8=0] [L68] RET assume_abort_if_not(var_1_4 <= 1073741823) VAL [isInitial=1, var_1_11=0, var_1_12=643/5, var_1_13=2502/5, var_1_14=17/2, var_1_15=1279/5, var_1_16=103/4, var_1_17=6/5, var_1_18=48/5, var_1_1=5, var_1_2=2147483647, var_1_3=1073741823, var_1_4=536870911, var_1_5=1, var_1_6=0, var_1_7=0, var_1_8=0] [L69] var_1_5 = __VERIFIER_nondet_ulong() [L70] CALL assume_abort_if_not(var_1_5 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_11=0, var_1_12=643/5, var_1_13=2502/5, var_1_14=17/2, var_1_15=1279/5, var_1_16=103/4, var_1_17=6/5, var_1_18=48/5, var_1_1=5, var_1_2=2147483647, var_1_3=1073741823, var_1_4=536870911, var_1_5=536870911, var_1_6=0, var_1_7=0, var_1_8=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_11=0, var_1_12=643/5, var_1_13=2502/5, var_1_14=17/2, var_1_15=1279/5, var_1_16=103/4, var_1_17=6/5, var_1_18=48/5, var_1_1=5, var_1_2=2147483647, var_1_3=1073741823, var_1_4=536870911, var_1_5=536870911, var_1_6=0, var_1_7=0, var_1_8=0] [L70] RET assume_abort_if_not(var_1_5 >= 0) VAL [isInitial=1, var_1_11=0, var_1_12=643/5, var_1_13=2502/5, var_1_14=17/2, var_1_15=1279/5, var_1_16=103/4, var_1_17=6/5, var_1_18=48/5, var_1_1=5, var_1_2=2147483647, var_1_3=1073741823, var_1_4=536870911, var_1_5=536870911, var_1_6=0, var_1_7=0, var_1_8=0] [L71] CALL assume_abort_if_not(var_1_5 <= 536870911) VAL [\old(cond)=1, isInitial=1, var_1_11=0, var_1_12=643/5, var_1_13=2502/5, var_1_14=17/2, var_1_15=1279/5, var_1_16=103/4, var_1_17=6/5, var_1_18=48/5, var_1_1=5, var_1_2=2147483647, var_1_3=1073741823, var_1_4=536870911, var_1_5=536870911, var_1_6=0, var_1_7=0, var_1_8=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_11=0, var_1_12=643/5, var_1_13=2502/5, var_1_14=17/2, var_1_15=1279/5, var_1_16=103/4, var_1_17=6/5, var_1_18=48/5, var_1_1=5, var_1_2=2147483647, var_1_3=1073741823, var_1_4=536870911, var_1_5=536870911, var_1_6=0, var_1_7=0, var_1_8=0] [L71] RET assume_abort_if_not(var_1_5 <= 536870911) VAL [isInitial=1, var_1_11=0, var_1_12=643/5, var_1_13=2502/5, var_1_14=17/2, var_1_15=1279/5, var_1_16=103/4, var_1_17=6/5, var_1_18=48/5, var_1_1=5, var_1_2=2147483647, var_1_3=1073741823, var_1_4=536870911, var_1_5=536870911, var_1_6=0, var_1_7=0, var_1_8=0] [L72] var_1_7 = __VERIFIER_nondet_uchar() [L73] CALL assume_abort_if_not(var_1_7 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_11=0, var_1_12=643/5, var_1_13=2502/5, var_1_14=17/2, var_1_15=1279/5, var_1_16=103/4, var_1_17=6/5, var_1_18=48/5, var_1_1=5, var_1_2=2147483647, var_1_3=1073741823, var_1_4=536870911, var_1_5=536870911, var_1_6=0, var_1_7=0, var_1_8=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_11=0, var_1_12=643/5, var_1_13=2502/5, var_1_14=17/2, var_1_15=1279/5, var_1_16=103/4, var_1_17=6/5, var_1_18=48/5, var_1_1=5, var_1_2=2147483647, var_1_3=1073741823, var_1_4=536870911, var_1_5=536870911, var_1_6=0, var_1_7=0, var_1_8=0] [L73] RET assume_abort_if_not(var_1_7 >= 0) VAL [isInitial=1, var_1_11=0, var_1_12=643/5, var_1_13=2502/5, var_1_14=17/2, var_1_15=1279/5, var_1_16=103/4, var_1_17=6/5, var_1_18=48/5, var_1_1=5, var_1_2=2147483647, var_1_3=1073741823, var_1_4=536870911, var_1_5=536870911, var_1_6=0, var_1_7=0, var_1_8=0] [L74] CALL assume_abort_if_not(var_1_7 <= 0) VAL [\old(cond)=1, isInitial=1, var_1_11=0, var_1_12=643/5, var_1_13=2502/5, var_1_14=17/2, var_1_15=1279/5, var_1_16=103/4, var_1_17=6/5, var_1_18=48/5, var_1_1=5, var_1_2=2147483647, var_1_3=1073741823, var_1_4=536870911, var_1_5=536870911, var_1_6=0, var_1_7=0, var_1_8=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_11=0, var_1_12=643/5, var_1_13=2502/5, var_1_14=17/2, var_1_15=1279/5, var_1_16=103/4, var_1_17=6/5, var_1_18=48/5, var_1_1=5, var_1_2=2147483647, var_1_3=1073741823, var_1_4=536870911, var_1_5=536870911, var_1_6=0, var_1_7=0, var_1_8=0] [L74] RET assume_abort_if_not(var_1_7 <= 0) VAL [isInitial=1, var_1_11=0, var_1_12=643/5, var_1_13=2502/5, var_1_14=17/2, var_1_15=1279/5, var_1_16=103/4, var_1_17=6/5, var_1_18=48/5, var_1_1=5, var_1_2=2147483647, var_1_3=1073741823, var_1_4=536870911, var_1_5=536870911, var_1_6=0, var_1_7=0, var_1_8=0] [L75] var_1_11 = __VERIFIER_nondet_uchar() [L76] CALL assume_abort_if_not(var_1_11 >= 1) VAL [\old(cond)=1, isInitial=1, var_1_11=1, var_1_12=643/5, var_1_13=2502/5, var_1_14=17/2, var_1_15=1279/5, var_1_16=103/4, var_1_17=6/5, var_1_18=48/5, var_1_1=5, var_1_2=2147483647, var_1_3=1073741823, var_1_4=536870911, var_1_5=536870911, var_1_6=0, var_1_7=0, var_1_8=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_11=1, var_1_12=643/5, var_1_13=2502/5, var_1_14=17/2, var_1_15=1279/5, var_1_16=103/4, var_1_17=6/5, var_1_18=48/5, var_1_1=5, var_1_2=2147483647, var_1_3=1073741823, var_1_4=536870911, var_1_5=536870911, var_1_6=0, var_1_7=0, var_1_8=0] [L76] RET assume_abort_if_not(var_1_11 >= 1) VAL [isInitial=1, var_1_11=1, var_1_12=643/5, var_1_13=2502/5, var_1_14=17/2, var_1_15=1279/5, var_1_16=103/4, var_1_17=6/5, var_1_18=48/5, var_1_1=5, var_1_2=2147483647, var_1_3=1073741823, var_1_4=536870911, var_1_5=536870911, var_1_6=0, var_1_7=0, var_1_8=0] [L77] CALL assume_abort_if_not(var_1_11 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_11=1, var_1_12=643/5, var_1_13=2502/5, var_1_14=17/2, var_1_15=1279/5, var_1_16=103/4, var_1_17=6/5, var_1_18=48/5, var_1_1=5, var_1_2=2147483647, var_1_3=1073741823, var_1_4=536870911, var_1_5=536870911, var_1_6=0, var_1_7=0, var_1_8=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_11=1, var_1_12=643/5, var_1_13=2502/5, var_1_14=17/2, var_1_15=1279/5, var_1_16=103/4, var_1_17=6/5, var_1_18=48/5, var_1_1=5, var_1_2=2147483647, var_1_3=1073741823, var_1_4=536870911, var_1_5=536870911, var_1_6=0, var_1_7=0, var_1_8=0] [L77] RET assume_abort_if_not(var_1_11 <= 1) VAL [isInitial=1, var_1_11=1, var_1_12=643/5, var_1_13=2502/5, var_1_14=17/2, var_1_15=1279/5, var_1_16=103/4, var_1_17=6/5, var_1_18=48/5, var_1_1=5, var_1_2=2147483647, var_1_3=1073741823, var_1_4=536870911, var_1_5=536870911, var_1_6=0, var_1_7=0, var_1_8=0] [L78] var_1_13 = __VERIFIER_nondet_float() [L79] CALL assume_abort_if_not((var_1_13 >= 0.0F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 4611686.018427382800e+12F && var_1_13 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_11=1, var_1_12=643/5, var_1_13=5368709124, var_1_14=17/2, var_1_15=1279/5, var_1_16=103/4, var_1_17=6/5, var_1_18=48/5, var_1_1=5, var_1_2=2147483647, var_1_3=1073741823, var_1_4=536870911, var_1_5=536870911, var_1_6=0, var_1_7=0, var_1_8=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_11=1, var_1_12=643/5, var_1_13=5368709124, var_1_14=17/2, var_1_15=1279/5, var_1_16=103/4, var_1_17=6/5, var_1_18=48/5, var_1_1=5, var_1_2=2147483647, var_1_3=1073741823, var_1_4=536870911, var_1_5=536870911, var_1_6=0, var_1_7=0, var_1_8=0] [L79] RET assume_abort_if_not((var_1_13 >= 0.0F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 4611686.018427382800e+12F && var_1_13 >= 1.0e-20F )) VAL [isInitial=1, var_1_11=1, var_1_12=643/5, var_1_13=5368709124, var_1_14=17/2, var_1_15=1279/5, var_1_16=103/4, var_1_17=6/5, var_1_18=48/5, var_1_1=5, var_1_2=2147483647, var_1_3=1073741823, var_1_4=536870911, var_1_5=536870911, var_1_6=0, var_1_7=0, var_1_8=0] [L80] var_1_14 = __VERIFIER_nondet_float() [L81] CALL assume_abort_if_not((var_1_14 >= 0.0F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 9223372.036854765600e+12F && var_1_14 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_11=1, var_1_12=643/5, var_1_13=5368709124, var_1_14=5368709124, var_1_15=1279/5, var_1_16=103/4, var_1_17=6/5, var_1_18=48/5, var_1_1=5, var_1_2=2147483647, var_1_3=1073741823, var_1_4=536870911, var_1_5=536870911, var_1_6=0, var_1_7=0, var_1_8=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_11=1, var_1_12=643/5, var_1_13=5368709124, var_1_14=5368709124, var_1_15=1279/5, var_1_16=103/4, var_1_17=6/5, var_1_18=48/5, var_1_1=5, var_1_2=2147483647, var_1_3=1073741823, var_1_4=536870911, var_1_5=536870911, var_1_6=0, var_1_7=0, var_1_8=0] [L81] RET assume_abort_if_not((var_1_14 >= 0.0F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 9223372.036854765600e+12F && var_1_14 >= 1.0e-20F )) VAL [isInitial=1, var_1_11=1, var_1_12=643/5, var_1_13=5368709124, var_1_14=5368709124, var_1_15=1279/5, var_1_16=103/4, var_1_17=6/5, var_1_18=48/5, var_1_1=5, var_1_2=2147483647, var_1_3=1073741823, var_1_4=536870911, var_1_5=536870911, var_1_6=0, var_1_7=0, var_1_8=0] [L82] var_1_16 = __VERIFIER_nondet_double() [L83] CALL assume_abort_if_not((var_1_16 >= -922337.2036854765600e+13F && var_1_16 <= -1.0e-20F) || (var_1_16 <= 9223372.036854765600e+12F && var_1_16 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_11=1, var_1_12=643/5, var_1_13=5368709124, var_1_14=5368709124, var_1_15=1279/5, var_1_16=5368709124, var_1_17=6/5, var_1_18=48/5, var_1_1=5, var_1_2=2147483647, var_1_3=1073741823, var_1_4=536870911, var_1_5=536870911, var_1_6=0, var_1_7=0, var_1_8=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_11=1, var_1_12=643/5, var_1_13=5368709124, var_1_14=5368709124, var_1_15=1279/5, var_1_16=5368709124, var_1_17=6/5, var_1_18=48/5, var_1_1=5, var_1_2=2147483647, var_1_3=1073741823, var_1_4=536870911, var_1_5=536870911, var_1_6=0, var_1_7=0, var_1_8=0] [L83] RET assume_abort_if_not((var_1_16 >= -922337.2036854765600e+13F && var_1_16 <= -1.0e-20F) || (var_1_16 <= 9223372.036854765600e+12F && var_1_16 >= 1.0e-20F )) VAL [isInitial=1, var_1_11=1, var_1_12=643/5, var_1_13=5368709124, var_1_14=5368709124, var_1_15=1279/5, var_1_16=5368709124, var_1_17=6/5, var_1_18=48/5, var_1_1=5, var_1_2=2147483647, var_1_3=1073741823, var_1_4=536870911, var_1_5=536870911, var_1_6=0, var_1_7=0, var_1_8=0] [L84] var_1_18 = __VERIFIER_nondet_float() [L85] CALL assume_abort_if_not((var_1_18 >= 0.0F && var_1_18 <= -1.0e-20F) || (var_1_18 <= 9223372.036854765600e+12F && var_1_18 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_11=1, var_1_12=643/5, var_1_13=5368709124, var_1_14=5368709124, var_1_15=1279/5, var_1_16=5368709124, var_1_17=6/5, var_1_18=5368709125, var_1_1=5, var_1_2=2147483647, var_1_3=1073741823, var_1_4=536870911, var_1_5=536870911, var_1_6=0, var_1_7=0, var_1_8=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_11=1, var_1_12=643/5, var_1_13=5368709124, var_1_14=5368709124, var_1_15=1279/5, var_1_16=5368709124, var_1_17=6/5, var_1_18=5368709125, var_1_1=5, var_1_2=2147483647, var_1_3=1073741823, var_1_4=536870911, var_1_5=536870911, var_1_6=0, var_1_7=0, var_1_8=0] [L85] RET assume_abort_if_not((var_1_18 >= 0.0F && var_1_18 <= -1.0e-20F) || (var_1_18 <= 9223372.036854765600e+12F && var_1_18 >= 1.0e-20F )) VAL [isInitial=1, var_1_11=1, var_1_12=643/5, var_1_13=5368709124, var_1_14=5368709124, var_1_15=1279/5, var_1_16=5368709124, var_1_17=6/5, var_1_18=5368709125, var_1_1=5, var_1_2=2147483647, var_1_3=1073741823, var_1_4=536870911, var_1_5=536870911, var_1_6=0, var_1_7=0, var_1_8=0] [L98] RET updateVariables() [L99] CALL step() [L41] var_1_1 = (var_1_2 + (var_1_3 - (var_1_4 - var_1_5))) [L42] var_1_6 = var_1_7 [L43] var_1_12 = ((2.55f + var_1_13) - var_1_14) [L44] var_1_15 = ((((var_1_13) > (((((var_1_14) < (var_1_16)) ? (var_1_14) : (var_1_16))))) ? (var_1_13) : (((((var_1_14) < (var_1_16)) ? (var_1_14) : (var_1_16)))))) VAL [isInitial=1, var_1_11=1, var_1_13=5368709124, var_1_14=5368709124, var_1_15=5368709124, var_1_16=5368709124, var_1_17=6/5, var_1_18=5368709125, var_1_1=3221225470, var_1_2=2147483647, var_1_3=1073741823, var_1_4=536870911, var_1_5=536870911, var_1_6=0, var_1_7=0, var_1_8=0] [L45] COND FALSE !(var_1_2 >= var_1_1) VAL [isInitial=1, var_1_11=1, var_1_13=5368709124, var_1_14=5368709124, var_1_15=5368709124, var_1_16=5368709124, var_1_17=6/5, var_1_18=5368709125, var_1_1=3221225470, var_1_2=2147483647, var_1_3=1073741823, var_1_4=536870911, var_1_5=536870911, var_1_6=0, var_1_7=0, var_1_8=0] [L48] unsigned long int stepLocal_0 = (((var_1_4) < (var_1_3)) ? (var_1_4) : (var_1_3)); VAL [isInitial=1, stepLocal_0=536870911, var_1_11=1, var_1_13=5368709124, var_1_14=5368709124, var_1_15=5368709124, var_1_16=5368709124, var_1_17=6/5, var_1_18=5368709125, var_1_1=3221225470, var_1_2=2147483647, var_1_3=1073741823, var_1_4=536870911, var_1_5=536870911, var_1_6=0, var_1_7=0, var_1_8=0] [L49] COND FALSE !(((((var_1_1) < (var_1_5)) ? (var_1_1) : (var_1_5))) != stepLocal_0) [L56] var_1_8 = var_1_11 VAL [isInitial=1, stepLocal_0=536870911, var_1_11=1, var_1_13=5368709124, var_1_14=5368709124, var_1_15=5368709124, var_1_16=5368709124, var_1_17=6/5, var_1_18=5368709125, var_1_1=3221225470, var_1_2=2147483647, var_1_3=1073741823, var_1_4=536870911, var_1_5=536870911, var_1_6=0, var_1_7=0, var_1_8=1] [L99] RET step() [L100] CALL, EXPR property() [L90-L91] return (((((var_1_1 == ((unsigned long int) (var_1_2 + (var_1_3 - (var_1_4 - var_1_5))))) && (var_1_6 == ((unsigned char) var_1_7))) && ((((((var_1_1) < (var_1_5)) ? (var_1_1) : (var_1_5))) != ((((var_1_4) < (var_1_3)) ? (var_1_4) : (var_1_3)))) ? ((var_1_17 == var_1_12) ? (var_1_6 ? (var_1_8 == ((unsigned char) var_1_11)) : 1) : 1) : (var_1_8 == ((unsigned char) var_1_11)))) && (var_1_12 == ((float) ((2.55f + var_1_13) - var_1_14)))) && (var_1_15 == ((double) ((((var_1_13) > (((((var_1_14) < (var_1_16)) ? (var_1_14) : (var_1_16))))) ? (var_1_13) : (((((var_1_14) < (var_1_16)) ? (var_1_14) : (var_1_16))))))))) && ((var_1_2 >= var_1_1) ? (var_1_17 == ((float) (var_1_14 - ((((var_1_13) > (var_1_18)) ? (var_1_13) : (var_1_18)))))) : 1) ; VAL [\result=0, isInitial=1, var_1_11=1, var_1_13=5368709124, var_1_14=5368709124, var_1_15=5368709124, var_1_16=5368709124, var_1_17=6/5, var_1_18=5368709125, var_1_1=3221225470, var_1_2=2147483647, var_1_3=1073741823, var_1_4=536870911, var_1_5=536870911, var_1_6=0, var_1_7=0, var_1_8=1] [L100] RET, EXPR property() [L100] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, var_1_11=1, var_1_13=5368709124, var_1_14=5368709124, var_1_15=5368709124, var_1_16=5368709124, var_1_17=6/5, var_1_18=5368709125, var_1_1=3221225470, var_1_2=2147483647, var_1_3=1073741823, var_1_4=536870911, var_1_5=536870911, var_1_6=0, var_1_7=0, var_1_8=1] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, var_1_11=1, var_1_13=5368709124, var_1_14=5368709124, var_1_15=5368709124, var_1_16=5368709124, var_1_17=6/5, var_1_18=5368709125, var_1_1=3221225470, var_1_2=2147483647, var_1_3=1073741823, var_1_4=536870911, var_1_5=536870911, var_1_6=0, var_1_7=0, var_1_8=1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 50 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 138.7s, OverallIterations: 3, TraceHistogramMax: 16, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 8.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1 mSolverCounterUnknown, 185 SdHoareTripleChecker+Valid, 6.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 183 mSDsluCounter, 503 SdHoareTripleChecker+Invalid, 5.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 375 mSDsCounter, 17 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 717 IncrementalHoareTripleChecker+Invalid, 735 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 17 mSolverCounterUnsat, 128 mSDtfsCounter, 717 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 289 GetRequests, 232 SyntacticMatches, 2 SemanticMatches, 55 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 671 ImplicationChecksByTransitivity, 77.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=72occurred in iteration=2, InterpolantAutomatonStates: 35, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 2 MinimizatonAttempts, 27 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 129.0s InterpolantComputationTime, 408 NumberOfCodeBlocks, 408 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 303 ConstructedInterpolants, 0 QuantifiedInterpolants, 5418 SizeOfPredicates, 12 NumberOfNonLiveVariables, 248 ConjunctsInSsa, 37 ConjunctsInUnsatCore, 3 InterpolantComputations, 1 PerfectInterpolantSequences, 1122/1440 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-06 22:45:00,749 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91c235a4-4400-4486-ac92-a45781f98c69/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91c235a4-4400-4486-ac92-a45781f98c69/bin/uautomizer-verify-WvqO1wxjHP/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91c235a4-4400-4486-ac92-a45781f98c69/bin/uautomizer-verify-WvqO1wxjHP/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91c235a4-4400-4486-ac92-a45781f98c69/bin/uautomizer-verify-WvqO1wxjHP/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91c235a4-4400-4486-ac92-a45781f98c69/bin/uautomizer-verify-WvqO1wxjHP/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-53.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91c235a4-4400-4486-ac92-a45781f98c69/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91c235a4-4400-4486-ac92-a45781f98c69/bin/uautomizer-verify-WvqO1wxjHP --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 3ddb7215ca3e5e9ca1b1e870ca103f03a36cdc53c61a6db7279d389f4fde4871 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-e7bb482 [2023-11-06 22:45:03,895 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-06 22:45:04,047 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91c235a4-4400-4486-ac92-a45781f98c69/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-11-06 22:45:04,058 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-06 22:45:04,059 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-06 22:45:04,116 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-06 22:45:04,117 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-06 22:45:04,118 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-06 22:45:04,119 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-06 22:45:04,120 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-06 22:45:04,121 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-06 22:45:04,122 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-06 22:45:04,122 INFO L153 SettingsManager]: * Use SBE=true [2023-11-06 22:45:04,123 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-06 22:45:04,126 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-06 22:45:04,127 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-06 22:45:04,128 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-06 22:45:04,128 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-06 22:45:04,130 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-06 22:45:04,132 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-06 22:45:04,132 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-06 22:45:04,133 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-06 22:45:04,133 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-06 22:45:04,134 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-06 22:45:04,134 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-06 22:45:04,135 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-06 22:45:04,135 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-06 22:45:04,136 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-06 22:45:04,137 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-06 22:45:04,137 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-06 22:45:04,138 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:45:04,138 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-06 22:45:04,139 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-06 22:45:04,139 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-11-06 22:45:04,139 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-06 22:45:04,140 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-06 22:45:04,140 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-06 22:45:04,140 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-06 22:45:04,140 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-06 22:45:04,141 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-06 22:45:04,141 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-06 22:45:04,142 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-06 22:45:04,142 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_91c235a4-4400-4486-ac92-a45781f98c69/bin/uautomizer-verify-WvqO1wxjHP/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91c235a4-4400-4486-ac92-a45781f98c69/bin/uautomizer-verify-WvqO1wxjHP Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3ddb7215ca3e5e9ca1b1e870ca103f03a36cdc53c61a6db7279d389f4fde4871 [2023-11-06 22:45:04,628 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-06 22:45:04,671 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-06 22:45:04,675 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-06 22:45:04,676 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-06 22:45:04,677 INFO L274 PluginConnector]: CDTParser initialized [2023-11-06 22:45:04,679 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91c235a4-4400-4486-ac92-a45781f98c69/bin/uautomizer-verify-WvqO1wxjHP/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-53.i [2023-11-06 22:45:08,620 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-06 22:45:09,046 INFO L384 CDTParser]: Found 1 translation units. [2023-11-06 22:45:09,047 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91c235a4-4400-4486-ac92-a45781f98c69/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-53.i [2023-11-06 22:45:09,057 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91c235a4-4400-4486-ac92-a45781f98c69/bin/uautomizer-verify-WvqO1wxjHP/data/8833bd55a/e9f576440f64443781c8589df8249a23/FLAGce2eaed89 [2023-11-06 22:45:09,072 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91c235a4-4400-4486-ac92-a45781f98c69/bin/uautomizer-verify-WvqO1wxjHP/data/8833bd55a/e9f576440f64443781c8589df8249a23 [2023-11-06 22:45:09,074 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-06 22:45:09,076 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-06 22:45:09,078 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-06 22:45:09,078 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-06 22:45:09,085 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-06 22:45:09,086 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:45:09" (1/1) ... [2023-11-06 22:45:09,088 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@39f42afa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:45:09, skipping insertion in model container [2023-11-06 22:45:09,088 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:45:09" (1/1) ... [2023-11-06 22:45:09,121 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 22:45:09,328 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_91c235a4-4400-4486-ac92-a45781f98c69/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-53.i[915,928] [2023-11-06 22:45:09,390 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:45:09,416 INFO L202 MainTranslator]: Completed pre-run [2023-11-06 22:45:09,434 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_91c235a4-4400-4486-ac92-a45781f98c69/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-53.i[915,928] [2023-11-06 22:45:09,478 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:45:09,520 INFO L206 MainTranslator]: Completed translation [2023-11-06 22:45:09,520 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:45:09 WrapperNode [2023-11-06 22:45:09,520 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-06 22:45:09,522 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-06 22:45:09,523 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-06 22:45:09,523 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-06 22:45:09,532 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:45:09" (1/1) ... [2023-11-06 22:45:09,565 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:45:09" (1/1) ... [2023-11-06 22:45:09,615 INFO L138 Inliner]: procedures = 27, calls = 29, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 108 [2023-11-06 22:45:09,619 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-06 22:45:09,620 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-06 22:45:09,620 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-06 22:45:09,621 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-06 22:45:09,633 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:45:09" (1/1) ... [2023-11-06 22:45:09,633 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:45:09" (1/1) ... [2023-11-06 22:45:09,651 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:45:09" (1/1) ... [2023-11-06 22:45:09,652 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:45:09" (1/1) ... [2023-11-06 22:45:09,670 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:45:09" (1/1) ... [2023-11-06 22:45:09,684 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:45:09" (1/1) ... [2023-11-06 22:45:09,689 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:45:09" (1/1) ... [2023-11-06 22:45:09,691 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:45:09" (1/1) ... [2023-11-06 22:45:09,696 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-06 22:45:09,698 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-06 22:45:09,698 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-06 22:45:09,698 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-06 22:45:09,700 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:45:09" (1/1) ... [2023-11-06 22:45:09,708 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:45:09,726 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91c235a4-4400-4486-ac92-a45781f98c69/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:45:09,744 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91c235a4-4400-4486-ac92-a45781f98c69/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-06 22:45:09,770 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91c235a4-4400-4486-ac92-a45781f98c69/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-06 22:45:09,805 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-06 22:45:09,805 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-06 22:45:09,806 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-06 22:45:09,806 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-06 22:45:09,827 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-06 22:45:09,828 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-06 22:45:09,975 INFO L236 CfgBuilder]: Building ICFG [2023-11-06 22:45:09,977 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-06 22:45:13,907 INFO L277 CfgBuilder]: Performing block encoding [2023-11-06 22:45:13,916 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-06 22:45:13,916 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-06 22:45:13,919 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:45:13 BoogieIcfgContainer [2023-11-06 22:45:13,920 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-06 22:45:13,922 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-06 22:45:13,923 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-06 22:45:13,927 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-06 22:45:13,927 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 10:45:09" (1/3) ... [2023-11-06 22:45:13,928 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@82cdb86 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:45:13, skipping insertion in model container [2023-11-06 22:45:13,928 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:45:09" (2/3) ... [2023-11-06 22:45:13,929 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@82cdb86 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:45:13, skipping insertion in model container [2023-11-06 22:45:13,929 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:45:13" (3/3) ... [2023-11-06 22:45:13,931 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount25_file-53.i [2023-11-06 22:45:13,955 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-06 22:45:13,956 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-06 22:45:14,014 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-06 22:45:14,022 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@5bded08, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-06 22:45:14,022 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-06 22:45:14,028 INFO L276 IsEmpty]: Start isEmpty. Operand has 50 states, 31 states have (on average 1.2903225806451613) internal successors, (40), 32 states have internal predecessors, (40), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2023-11-06 22:45:14,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2023-11-06 22:45:14,051 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:45:14,053 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:45:14,055 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:45:14,062 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:45:14,066 INFO L85 PathProgramCache]: Analyzing trace with hash 429983085, now seen corresponding path program 1 times [2023-11-06 22:45:14,083 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-06 22:45:14,084 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2072953971] [2023-11-06 22:45:14,085 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:45:14,085 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-06 22:45:14,086 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91c235a4-4400-4486-ac92-a45781f98c69/bin/uautomizer-verify-WvqO1wxjHP/mathsat [2023-11-06 22:45:14,092 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91c235a4-4400-4486-ac92-a45781f98c69/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-06 22:45:14,107 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91c235a4-4400-4486-ac92-a45781f98c69/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2023-11-06 22:45:14,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:45:14,628 INFO L262 TraceCheckSpWp]: Trace formula consists of 170 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-06 22:45:14,648 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:45:14,725 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 246 proven. 0 refuted. 0 times theorem prover too weak. 234 trivial. 0 not checked. [2023-11-06 22:45:14,726 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:45:14,727 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-06 22:45:14,727 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2072953971] [2023-11-06 22:45:14,728 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2072953971] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:45:14,729 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:45:14,729 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-06 22:45:14,731 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [22661742] [2023-11-06 22:45:14,732 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:45:14,738 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-06 22:45:14,739 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-06 22:45:14,775 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-06 22:45:14,776 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-06 22:45:14,779 INFO L87 Difference]: Start difference. First operand has 50 states, 31 states have (on average 1.2903225806451613) internal successors, (40), 32 states have internal predecessors, (40), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) Second operand has 2 states, 2 states have (on average 14.5) internal successors, (29), 2 states have internal predecessors, (29), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2023-11-06 22:45:14,816 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:45:14,817 INFO L93 Difference]: Finished difference Result 93 states and 154 transitions. [2023-11-06 22:45:14,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-06 22:45:14,819 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 14.5) internal successors, (29), 2 states have internal predecessors, (29), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 102 [2023-11-06 22:45:14,820 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:45:14,829 INFO L225 Difference]: With dead ends: 93 [2023-11-06 22:45:14,830 INFO L226 Difference]: Without dead ends: 46 [2023-11-06 22:45:14,834 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 101 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-06 22:45:14,839 INFO L413 NwaCegarLoop]: 65 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, 65 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-06 22:45:14,841 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 65 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 22:45:14,862 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2023-11-06 22:45:14,891 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 46. [2023-11-06 22:45:14,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 46 states, 28 states have (on average 1.1785714285714286) internal successors, (33), 28 states have internal predecessors, (33), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2023-11-06 22:45:14,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 65 transitions. [2023-11-06 22:45:14,897 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 65 transitions. Word has length 102 [2023-11-06 22:45:14,898 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:45:14,898 INFO L495 AbstractCegarLoop]: Abstraction has 46 states and 65 transitions. [2023-11-06 22:45:14,899 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 14.5) internal successors, (29), 2 states have internal predecessors, (29), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2023-11-06 22:45:14,899 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 65 transitions. [2023-11-06 22:45:14,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2023-11-06 22:45:14,905 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:45:14,905 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:45:14,943 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91c235a4-4400-4486-ac92-a45781f98c69/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2023-11-06 22:45:15,120 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91c235a4-4400-4486-ac92-a45781f98c69/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-06 22:45:15,120 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:45:15,121 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:45:15,122 INFO L85 PathProgramCache]: Analyzing trace with hash -620017035, now seen corresponding path program 1 times [2023-11-06 22:45:15,123 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-06 22:45:15,123 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [539511737] [2023-11-06 22:45:15,123 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:45:15,124 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-06 22:45:15,124 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91c235a4-4400-4486-ac92-a45781f98c69/bin/uautomizer-verify-WvqO1wxjHP/mathsat [2023-11-06 22:45:15,148 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91c235a4-4400-4486-ac92-a45781f98c69/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-06 22:45:15,197 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91c235a4-4400-4486-ac92-a45781f98c69/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2023-11-06 22:45:15,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:45:15,806 INFO L262 TraceCheckSpWp]: Trace formula consists of 170 conjuncts, 27 conjunts are in the unsatisfiable core [2023-11-06 22:45:15,830 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:46:23,997 WARN L293 SmtUtils]: Spent 18.29s on a formula simplification that was a NOOP. DAG size: 76 (called from [L 376] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)