./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-69.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e7bb482b Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae4b773a-0871-43f2-b6e3-aa6db5303602/bin/uautomizer-verify-WvqO1wxjHP/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae4b773a-0871-43f2-b6e3-aa6db5303602/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_ae4b773a-0871-43f2-b6e3-aa6db5303602/bin/uautomizer-verify-WvqO1wxjHP/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae4b773a-0871-43f2-b6e3-aa6db5303602/bin/uautomizer-verify-WvqO1wxjHP/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-69.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae4b773a-0871-43f2-b6e3-aa6db5303602/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_ae4b773a-0871-43f2-b6e3-aa6db5303602/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 be2af847ca6e6b21a33c086089fa377d9cd33581334f785b17b8fcc9e5016299 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-e7bb482 [2023-11-06 21:53:26,614 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-06 21:53:26,723 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae4b773a-0871-43f2-b6e3-aa6db5303602/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-06 21:53:26,727 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-06 21:53:26,728 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-06 21:53:26,770 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-06 21:53:26,772 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-06 21:53:26,773 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-06 21:53:26,774 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-06 21:53:26,778 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-06 21:53:26,779 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-06 21:53:26,779 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-06 21:53:26,780 INFO L153 SettingsManager]: * Use SBE=true [2023-11-06 21:53:26,785 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-06 21:53:26,786 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-06 21:53:26,786 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-06 21:53:26,786 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-06 21:53:26,787 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-06 21:53:26,787 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-06 21:53:26,788 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-06 21:53:26,788 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-06 21:53:26,788 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-06 21:53:26,789 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-06 21:53:26,789 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-06 21:53:26,789 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-06 21:53:26,790 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-06 21:53:26,791 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-06 21:53:26,791 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-06 21:53:26,791 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 21:53:26,792 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-06 21:53:26,793 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-06 21:53:26,793 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-11-06 21:53:26,793 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-06 21:53:26,794 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-06 21:53:26,794 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-06 21:53:26,794 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-06 21:53:26,794 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-06 21:53:26,795 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-06 21:53:26,795 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-06 21:53:26,795 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_ae4b773a-0871-43f2-b6e3-aa6db5303602/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae4b773a-0871-43f2-b6e3-aa6db5303602/bin/uautomizer-verify-WvqO1wxjHP Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> be2af847ca6e6b21a33c086089fa377d9cd33581334f785b17b8fcc9e5016299 [2023-11-06 21:53:27,055 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-06 21:53:27,086 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-06 21:53:27,088 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-06 21:53:27,090 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-06 21:53:27,090 INFO L274 PluginConnector]: CDTParser initialized [2023-11-06 21:53:27,092 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae4b773a-0871-43f2-b6e3-aa6db5303602/bin/uautomizer-verify-WvqO1wxjHP/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-69.i [2023-11-06 21:53:30,096 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-06 21:53:30,374 INFO L384 CDTParser]: Found 1 translation units. [2023-11-06 21:53:30,374 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae4b773a-0871-43f2-b6e3-aa6db5303602/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-69.i [2023-11-06 21:53:30,382 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae4b773a-0871-43f2-b6e3-aa6db5303602/bin/uautomizer-verify-WvqO1wxjHP/data/8681ab5bd/9782e7593af34dd28f82e18f7d5443f1/FLAG37a81419a [2023-11-06 21:53:30,395 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae4b773a-0871-43f2-b6e3-aa6db5303602/bin/uautomizer-verify-WvqO1wxjHP/data/8681ab5bd/9782e7593af34dd28f82e18f7d5443f1 [2023-11-06 21:53:30,398 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-06 21:53:30,400 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-06 21:53:30,402 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-06 21:53:30,402 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-06 21:53:30,408 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-06 21:53:30,409 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 09:53:30" (1/1) ... [2023-11-06 21:53:30,410 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@36f8cdc2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:53:30, skipping insertion in model container [2023-11-06 21:53:30,410 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 09:53:30" (1/1) ... [2023-11-06 21:53:30,433 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 21:53:30,583 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_ae4b773a-0871-43f2-b6e3-aa6db5303602/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-69.i[915,928] [2023-11-06 21:53:30,613 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 21:53:30,625 INFO L202 MainTranslator]: Completed pre-run [2023-11-06 21:53:30,639 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_ae4b773a-0871-43f2-b6e3-aa6db5303602/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-69.i[915,928] [2023-11-06 21:53:30,652 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 21:53:30,668 INFO L206 MainTranslator]: Completed translation [2023-11-06 21:53:30,669 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:53:30 WrapperNode [2023-11-06 21:53:30,669 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-06 21:53:30,671 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-06 21:53:30,671 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-06 21:53:30,671 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-06 21:53:30,679 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:53:30" (1/1) ... [2023-11-06 21:53:30,688 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:53:30" (1/1) ... [2023-11-06 21:53:30,717 INFO L138 Inliner]: procedures = 26, calls = 24, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 76 [2023-11-06 21:53:30,717 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-06 21:53:30,718 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-06 21:53:30,718 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-06 21:53:30,719 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-06 21:53:30,732 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:53:30" (1/1) ... [2023-11-06 21:53:30,732 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:53:30" (1/1) ... [2023-11-06 21:53:30,737 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:53:30" (1/1) ... [2023-11-06 21:53:30,738 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:53:30" (1/1) ... [2023-11-06 21:53:30,751 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:53:30" (1/1) ... [2023-11-06 21:53:30,758 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:53:30" (1/1) ... [2023-11-06 21:53:30,759 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:53:30" (1/1) ... [2023-11-06 21:53:30,760 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:53:30" (1/1) ... [2023-11-06 21:53:30,763 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-06 21:53:30,764 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-06 21:53:30,764 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-06 21:53:30,765 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-06 21:53:30,765 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:53:30" (1/1) ... [2023-11-06 21:53:30,776 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 21:53:30,789 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae4b773a-0871-43f2-b6e3-aa6db5303602/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 21:53:30,810 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae4b773a-0871-43f2-b6e3-aa6db5303602/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-06 21:53:30,827 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae4b773a-0871-43f2-b6e3-aa6db5303602/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-06 21:53:30,855 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-06 21:53:30,855 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-06 21:53:30,855 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-06 21:53:30,856 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-06 21:53:30,856 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-06 21:53:30,856 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-06 21:53:30,952 INFO L236 CfgBuilder]: Building ICFG [2023-11-06 21:53:30,954 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-06 21:53:31,228 INFO L277 CfgBuilder]: Performing block encoding [2023-11-06 21:53:31,235 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-06 21:53:31,235 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-06 21:53:31,237 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 09:53:31 BoogieIcfgContainer [2023-11-06 21:53:31,237 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-06 21:53:31,241 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-06 21:53:31,241 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-06 21:53:31,245 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-06 21:53:31,245 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 09:53:30" (1/3) ... [2023-11-06 21:53:31,246 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@12084b2c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 09:53:31, skipping insertion in model container [2023-11-06 21:53:31,246 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:53:30" (2/3) ... [2023-11-06 21:53:31,247 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@12084b2c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 09:53:31, skipping insertion in model container [2023-11-06 21:53:31,247 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 09:53:31" (3/3) ... [2023-11-06 21:53:31,248 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount10_file-69.i [2023-11-06 21:53:31,273 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-06 21:53:31,274 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-06 21:53:31,352 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-06 21:53:31,367 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;@9e4019e, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-06 21:53:31,368 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-06 21:53:31,373 INFO L276 IsEmpty]: Start isEmpty. Operand has 38 states, 24 states have (on average 1.2916666666666667) internal successors, (31), 25 states have internal predecessors, (31), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2023-11-06 21:53:31,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-11-06 21:53:31,394 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 21:53:31,396 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:53:31,397 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 21:53:31,405 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 21:53:31,406 INFO L85 PathProgramCache]: Analyzing trace with hash -1785575530, now seen corresponding path program 1 times [2023-11-06 21:53:31,416 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 21:53:31,417 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [729896669] [2023-11-06 21:53:31,417 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 21:53:31,418 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 21:53:31,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:53:31,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-06 21:53:31,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:53:31,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-06 21:53:31,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:53:31,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-11-06 21:53:31,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:53:31,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-06 21:53:31,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:53:31,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2023-11-06 21:53:31,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:53:31,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-11-06 21:53:31,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:53:31,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-11-06 21:53:31,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:53:31,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-11-06 21:53:31,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:53:31,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2023-11-06 21:53:31,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:53:31,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2023-11-06 21:53:31,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:53:31,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2023-11-06 21:53:31,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:53:31,801 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2023-11-06 21:53:31,802 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 21:53:31,802 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [729896669] [2023-11-06 21:53:31,803 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [729896669] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 21:53:31,803 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 21:53:31,804 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-06 21:53:31,805 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1130750467] [2023-11-06 21:53:31,806 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 21:53:31,811 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-06 21:53:31,812 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 21:53:31,840 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-06 21:53:31,840 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-06 21:53:31,842 INFO L87 Difference]: Start difference. First operand has 38 states, 24 states have (on average 1.2916666666666667) internal successors, (31), 25 states have internal predecessors, (31), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) Second operand has 2 states, 2 states have (on average 9.5) internal successors, (19), 2 states have internal predecessors, (19), 2 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 2 states have call successors, (11) [2023-11-06 21:53:31,866 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 21:53:31,867 INFO L93 Difference]: Finished difference Result 69 states and 111 transitions. [2023-11-06 21:53:31,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-06 21:53:31,876 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 9.5) internal successors, (19), 2 states have internal predecessors, (19), 2 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 2 states have call successors, (11) Word has length 71 [2023-11-06 21:53:31,877 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 21:53:31,883 INFO L225 Difference]: With dead ends: 69 [2023-11-06 21:53:31,883 INFO L226 Difference]: Without dead ends: 34 [2023-11-06 21:53:31,886 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 35 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 21:53:31,890 INFO L413 NwaCegarLoop]: 46 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, 46 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 21:53:31,892 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 21:53:31,911 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2023-11-06 21:53:31,936 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 34. [2023-11-06 21:53:31,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34 states, 21 states have (on average 1.1428571428571428) internal successors, (24), 21 states have internal predecessors, (24), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2023-11-06 21:53:31,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 46 transitions. [2023-11-06 21:53:31,944 INFO L78 Accepts]: Start accepts. Automaton has 34 states and 46 transitions. Word has length 71 [2023-11-06 21:53:31,944 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 21:53:31,945 INFO L495 AbstractCegarLoop]: Abstraction has 34 states and 46 transitions. [2023-11-06 21:53:31,946 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 9.5) internal successors, (19), 2 states have internal predecessors, (19), 2 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 2 states have call successors, (11) [2023-11-06 21:53:31,947 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 46 transitions. [2023-11-06 21:53:31,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-11-06 21:53:31,955 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 21:53:31,955 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:53:31,956 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-06 21:53:31,956 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 21:53:31,960 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 21:53:31,965 INFO L85 PathProgramCache]: Analyzing trace with hash 1357657816, now seen corresponding path program 1 times [2023-11-06 21:53:31,966 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 21:53:31,966 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1378010396] [2023-11-06 21:53:31,966 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 21:53:31,967 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 21:53:32,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 21:53:32,122 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-06 21:53:32,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 21:53:32,273 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-06 21:53:32,276 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-06 21:53:32,278 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-06 21:53:32,280 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-06 21:53:32,285 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2023-11-06 21:53:32,288 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-06 21:53:32,341 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.11 09:53:32 BoogieIcfgContainer [2023-11-06 21:53:32,341 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-06 21:53:32,342 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-06 21:53:32,342 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-06 21:53:32,342 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-06 21:53:32,343 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 09:53:31" (3/4) ... [2023-11-06 21:53:32,346 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-06 21:53:32,347 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-06 21:53:32,348 INFO L158 Benchmark]: Toolchain (without parser) took 1947.78ms. Allocated memory is still 142.6MB. Free memory was 113.4MB in the beginning and 84.9MB in the end (delta: 28.5MB). Peak memory consumption was 27.9MB. Max. memory is 16.1GB. [2023-11-06 21:53:32,348 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 107.0MB. Free memory is still 56.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 21:53:32,349 INFO L158 Benchmark]: CACSL2BoogieTranslator took 268.32ms. Allocated memory is still 142.6MB. Free memory was 113.0MB in the beginning and 102.1MB in the end (delta: 10.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-06 21:53:32,350 INFO L158 Benchmark]: Boogie Procedure Inliner took 46.87ms. Allocated memory is still 142.6MB. Free memory was 102.1MB in the beginning and 100.1MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-06 21:53:32,350 INFO L158 Benchmark]: Boogie Preprocessor took 45.18ms. Allocated memory is still 142.6MB. Free memory was 100.1MB in the beginning and 98.8MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-06 21:53:32,351 INFO L158 Benchmark]: RCFGBuilder took 473.33ms. Allocated memory is still 142.6MB. Free memory was 98.8MB in the beginning and 86.6MB in the end (delta: 12.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-06 21:53:32,352 INFO L158 Benchmark]: TraceAbstraction took 1100.88ms. Allocated memory is still 142.6MB. Free memory was 85.8MB in the beginning and 85.7MB in the end (delta: 157.4kB). Peak memory consumption was 604.3kB. Max. memory is 16.1GB. [2023-11-06 21:53:32,352 INFO L158 Benchmark]: Witness Printer took 5.07ms. Allocated memory is still 142.6MB. Free memory was 85.7MB in the beginning and 84.9MB in the end (delta: 784.1kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 21:53:32,356 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 107.0MB. Free memory is still 56.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 268.32ms. Allocated memory is still 142.6MB. Free memory was 113.0MB in the beginning and 102.1MB in the end (delta: 10.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 46.87ms. Allocated memory is still 142.6MB. Free memory was 102.1MB in the beginning and 100.1MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 45.18ms. Allocated memory is still 142.6MB. Free memory was 100.1MB in the beginning and 98.8MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 473.33ms. Allocated memory is still 142.6MB. Free memory was 98.8MB in the beginning and 86.6MB in the end (delta: 12.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 1100.88ms. Allocated memory is still 142.6MB. Free memory was 85.8MB in the beginning and 85.7MB in the end (delta: 157.4kB). Peak memory consumption was 604.3kB. Max. memory is 16.1GB. * Witness Printer took 5.07ms. Allocated memory is still 142.6MB. Free memory was 85.7MB in the beginning and 84.9MB in the end (delta: 784.1kB). 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 64. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned char var_1_1 = 0; [L23] unsigned char var_1_3 = 1; [L24] unsigned char var_1_4 = 0; [L25] unsigned char var_1_5 = 0; [L26] unsigned char var_1_6 = 0; [L27] unsigned char var_1_7 = 1; [L28] float var_1_8 = 127.4; [L29] float var_1_9 = 24.75; VAL [isInitial=0, var_1_1=0, var_1_3=1, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=637/5, var_1_9=99/4] [L68] isInitial = 1 [L69] FCALL initially() [L70] COND TRUE 1 [L71] FCALL updateLastVariables() [L72] CALL updateVariables() [L43] var_1_3 = __VERIFIER_nondet_uchar() [L44] CALL assume_abort_if_not(var_1_3 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_1=0, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=637/5, var_1_9=99/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_1=0, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=637/5, var_1_9=99/4] [L44] RET assume_abort_if_not(var_1_3 >= 0) VAL [isInitial=1, var_1_1=0, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=637/5, var_1_9=99/4] [L45] CALL assume_abort_if_not(var_1_3 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_1=0, var_1_3=1, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=637/5, var_1_9=99/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_1=0, var_1_3=1, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=637/5, var_1_9=99/4] [L45] RET assume_abort_if_not(var_1_3 <= 1) VAL [isInitial=1, var_1_1=0, var_1_3=1, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=637/5, var_1_9=99/4] [L46] var_1_4 = __VERIFIER_nondet_uchar() [L47] CALL assume_abort_if_not(var_1_4 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_1=0, var_1_3=1, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=637/5, var_1_9=99/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_1=0, var_1_3=1, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=637/5, var_1_9=99/4] [L47] RET assume_abort_if_not(var_1_4 >= 0) VAL [isInitial=1, var_1_1=0, var_1_3=1, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=637/5, var_1_9=99/4] [L48] CALL assume_abort_if_not(var_1_4 <= 0) VAL [\old(cond)=1, isInitial=1, var_1_1=0, var_1_3=1, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=637/5, var_1_9=99/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_1=0, var_1_3=1, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=637/5, var_1_9=99/4] [L48] RET assume_abort_if_not(var_1_4 <= 0) VAL [isInitial=1, var_1_1=0, var_1_3=1, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=637/5, var_1_9=99/4] [L49] var_1_5 = __VERIFIER_nondet_uchar() [L50] CALL assume_abort_if_not(var_1_5 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_1=0, var_1_3=1, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=637/5, var_1_9=99/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_1=0, var_1_3=1, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=637/5, var_1_9=99/4] [L50] RET assume_abort_if_not(var_1_5 >= 0) VAL [isInitial=1, var_1_1=0, var_1_3=1, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=637/5, var_1_9=99/4] [L51] CALL assume_abort_if_not(var_1_5 <= 0) VAL [\old(cond)=1, isInitial=1, var_1_1=0, var_1_3=1, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=637/5, var_1_9=99/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_1=0, var_1_3=1, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=637/5, var_1_9=99/4] [L51] RET assume_abort_if_not(var_1_5 <= 0) VAL [isInitial=1, var_1_1=0, var_1_3=1, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=637/5, var_1_9=99/4] [L52] var_1_6 = __VERIFIER_nondet_uchar() [L53] CALL assume_abort_if_not(var_1_6 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_1=0, var_1_3=1, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=637/5, var_1_9=99/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_1=0, var_1_3=1, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=637/5, var_1_9=99/4] [L53] RET assume_abort_if_not(var_1_6 >= 0) VAL [isInitial=1, var_1_1=0, var_1_3=1, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=637/5, var_1_9=99/4] [L54] CALL assume_abort_if_not(var_1_6 <= 0) VAL [\old(cond)=1, isInitial=1, var_1_1=0, var_1_3=1, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=637/5, var_1_9=99/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_1=0, var_1_3=1, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=637/5, var_1_9=99/4] [L54] RET assume_abort_if_not(var_1_6 <= 0) VAL [isInitial=1, var_1_1=0, var_1_3=1, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=637/5, var_1_9=99/4] [L55] var_1_7 = __VERIFIER_nondet_uchar() [L56] CALL assume_abort_if_not(var_1_7 >= 1) VAL [\old(cond)=1, isInitial=1, var_1_1=0, var_1_3=1, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=637/5, var_1_9=99/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_1=0, var_1_3=1, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=637/5, var_1_9=99/4] [L56] RET assume_abort_if_not(var_1_7 >= 1) VAL [isInitial=1, var_1_1=0, var_1_3=1, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=637/5, var_1_9=99/4] [L57] CALL assume_abort_if_not(var_1_7 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_1=0, var_1_3=1, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=637/5, var_1_9=99/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_1=0, var_1_3=1, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=637/5, var_1_9=99/4] [L57] RET assume_abort_if_not(var_1_7 <= 1) VAL [isInitial=1, var_1_1=0, var_1_3=1, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=637/5, var_1_9=99/4] [L58] var_1_9 = __VERIFIER_nondet_float() [L59] CALL assume_abort_if_not((var_1_9 >= -922337.2036854765600e+13F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 9223372.036854765600e+12F && var_1_9 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_1=0, var_1_3=1, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=637/5, var_1_9=773] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_1=0, var_1_3=1, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=637/5, var_1_9=773] [L59] RET assume_abort_if_not((var_1_9 >= -922337.2036854765600e+13F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 9223372.036854765600e+12F && var_1_9 >= 1.0e-20F )) VAL [isInitial=1, var_1_1=0, var_1_3=1, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=637/5, var_1_9=773] [L72] RET updateVariables() [L73] CALL step() [L33] var_1_8 = var_1_9 VAL [isInitial=1, var_1_1=0, var_1_3=1, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=773, var_1_9=773] [L34] COND FALSE !(1.875f != ((((63.1f) > (var_1_8)) ? (63.1f) : (var_1_8)))) VAL [isInitial=1, var_1_1=0, var_1_3=1, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=773, var_1_9=773] [L73] RET step() [L74] CALL, EXPR property() [L64-L65] return ((1.875f != ((((63.1f) > (var_1_8)) ? (63.1f) : (var_1_8)))) ? (var_1_3 ? (var_1_1 == ((unsigned char) ((var_1_4 || var_1_5) || var_1_6))) : (var_1_1 == ((unsigned char) (! var_1_7)))) : 1) && (var_1_8 == ((float) var_1_9)) ; VAL [\result=0, isInitial=1, var_1_1=0, var_1_3=1, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=773, var_1_9=773] [L74] RET, EXPR property() [L74] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, var_1_1=0, var_1_3=1, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=773, var_1_9=773] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, var_1_1=0, var_1_3=1, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=773, var_1_9=773] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 38 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.0s, OverallIterations: 2, TraceHistogramMax: 11, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 46 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 0 IncrementalHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 46 mSDtfsCounter, 0 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 35 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=38occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 142 NumberOfCodeBlocks, 142 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 70 ConstructedInterpolants, 0 QuantifiedInterpolants, 70 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 220/220 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 21:53:32,401 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae4b773a-0871-43f2-b6e3-aa6db5303602/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae4b773a-0871-43f2-b6e3-aa6db5303602/bin/uautomizer-verify-WvqO1wxjHP/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae4b773a-0871-43f2-b6e3-aa6db5303602/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_ae4b773a-0871-43f2-b6e3-aa6db5303602/bin/uautomizer-verify-WvqO1wxjHP/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae4b773a-0871-43f2-b6e3-aa6db5303602/bin/uautomizer-verify-WvqO1wxjHP/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-69.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae4b773a-0871-43f2-b6e3-aa6db5303602/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_ae4b773a-0871-43f2-b6e3-aa6db5303602/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 be2af847ca6e6b21a33c086089fa377d9cd33581334f785b17b8fcc9e5016299 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-e7bb482 [2023-11-06 21:53:35,164 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-06 21:53:35,311 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae4b773a-0871-43f2-b6e3-aa6db5303602/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-11-06 21:53:35,322 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-06 21:53:35,323 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-06 21:53:35,369 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-06 21:53:35,370 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-06 21:53:35,371 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-06 21:53:35,372 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-06 21:53:35,377 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-06 21:53:35,378 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-06 21:53:35,378 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-06 21:53:35,379 INFO L153 SettingsManager]: * Use SBE=true [2023-11-06 21:53:35,381 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-06 21:53:35,381 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-06 21:53:35,382 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-06 21:53:35,382 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-06 21:53:35,382 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-06 21:53:35,383 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-06 21:53:35,384 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-06 21:53:35,384 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-06 21:53:35,385 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-06 21:53:35,385 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-06 21:53:35,386 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-06 21:53:35,386 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-06 21:53:35,386 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-06 21:53:35,387 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-06 21:53:35,387 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-06 21:53:35,388 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-06 21:53:35,388 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-06 21:53:35,389 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 21:53:35,390 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-06 21:53:35,390 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-06 21:53:35,391 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-11-06 21:53:35,391 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-06 21:53:35,391 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-06 21:53:35,391 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-06 21:53:35,392 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-06 21:53:35,392 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-06 21:53:35,393 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-06 21:53:35,393 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-06 21:53:35,394 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-06 21:53:35,394 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_ae4b773a-0871-43f2-b6e3-aa6db5303602/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae4b773a-0871-43f2-b6e3-aa6db5303602/bin/uautomizer-verify-WvqO1wxjHP Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> be2af847ca6e6b21a33c086089fa377d9cd33581334f785b17b8fcc9e5016299 [2023-11-06 21:53:35,811 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-06 21:53:35,833 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-06 21:53:35,836 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-06 21:53:35,837 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-06 21:53:35,838 INFO L274 PluginConnector]: CDTParser initialized [2023-11-06 21:53:35,840 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae4b773a-0871-43f2-b6e3-aa6db5303602/bin/uautomizer-verify-WvqO1wxjHP/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-69.i [2023-11-06 21:53:38,989 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-06 21:53:39,271 INFO L384 CDTParser]: Found 1 translation units. [2023-11-06 21:53:39,272 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae4b773a-0871-43f2-b6e3-aa6db5303602/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-69.i [2023-11-06 21:53:39,285 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae4b773a-0871-43f2-b6e3-aa6db5303602/bin/uautomizer-verify-WvqO1wxjHP/data/a435e2e12/bf55ca98233649aa9e149e4dc9f19cbd/FLAGf53b6bcba [2023-11-06 21:53:39,305 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae4b773a-0871-43f2-b6e3-aa6db5303602/bin/uautomizer-verify-WvqO1wxjHP/data/a435e2e12/bf55ca98233649aa9e149e4dc9f19cbd [2023-11-06 21:53:39,310 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-06 21:53:39,312 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-06 21:53:39,315 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-06 21:53:39,316 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-06 21:53:39,321 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-06 21:53:39,322 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 09:53:39" (1/1) ... [2023-11-06 21:53:39,323 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2465cf47 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:53:39, skipping insertion in model container [2023-11-06 21:53:39,323 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 09:53:39" (1/1) ... [2023-11-06 21:53:39,351 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 21:53:39,547 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_ae4b773a-0871-43f2-b6e3-aa6db5303602/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-69.i[915,928] [2023-11-06 21:53:39,593 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 21:53:39,608 INFO L202 MainTranslator]: Completed pre-run [2023-11-06 21:53:39,621 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_ae4b773a-0871-43f2-b6e3-aa6db5303602/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-69.i[915,928] [2023-11-06 21:53:39,634 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 21:53:39,653 INFO L206 MainTranslator]: Completed translation [2023-11-06 21:53:39,653 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:53:39 WrapperNode [2023-11-06 21:53:39,654 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-06 21:53:39,655 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-06 21:53:39,655 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-06 21:53:39,655 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-06 21:53:39,663 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:53:39" (1/1) ... [2023-11-06 21:53:39,674 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:53:39" (1/1) ... [2023-11-06 21:53:39,699 INFO L138 Inliner]: procedures = 27, calls = 24, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 76 [2023-11-06 21:53:39,699 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-06 21:53:39,700 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-06 21:53:39,709 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-06 21:53:39,709 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-06 21:53:39,736 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:53:39" (1/1) ... [2023-11-06 21:53:39,736 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:53:39" (1/1) ... [2023-11-06 21:53:39,757 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:53:39" (1/1) ... [2023-11-06 21:53:39,757 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:53:39" (1/1) ... [2023-11-06 21:53:39,778 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:53:39" (1/1) ... [2023-11-06 21:53:39,782 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:53:39" (1/1) ... [2023-11-06 21:53:39,784 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:53:39" (1/1) ... [2023-11-06 21:53:39,786 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:53:39" (1/1) ... [2023-11-06 21:53:39,791 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-06 21:53:39,792 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-06 21:53:39,792 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-06 21:53:39,792 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-06 21:53:39,793 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:53:39" (1/1) ... [2023-11-06 21:53:39,813 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 21:53:39,830 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae4b773a-0871-43f2-b6e3-aa6db5303602/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 21:53:39,842 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae4b773a-0871-43f2-b6e3-aa6db5303602/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-06 21:53:39,852 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae4b773a-0871-43f2-b6e3-aa6db5303602/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-06 21:53:39,885 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-06 21:53:39,885 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-06 21:53:39,885 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-06 21:53:39,885 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-06 21:53:39,885 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-06 21:53:39,885 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-06 21:53:39,968 INFO L236 CfgBuilder]: Building ICFG [2023-11-06 21:53:39,970 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-06 21:53:40,241 INFO L277 CfgBuilder]: Performing block encoding [2023-11-06 21:53:40,255 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-06 21:53:40,255 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-06 21:53:40,259 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 09:53:40 BoogieIcfgContainer [2023-11-06 21:53:40,259 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-06 21:53:40,263 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-06 21:53:40,263 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-06 21:53:40,267 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-06 21:53:40,267 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 09:53:39" (1/3) ... [2023-11-06 21:53:40,268 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@70533a7a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 09:53:40, skipping insertion in model container [2023-11-06 21:53:40,268 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:53:39" (2/3) ... [2023-11-06 21:53:40,271 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@70533a7a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 09:53:40, skipping insertion in model container [2023-11-06 21:53:40,271 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 09:53:40" (3/3) ... [2023-11-06 21:53:40,273 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount10_file-69.i [2023-11-06 21:53:40,295 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-06 21:53:40,295 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-06 21:53:40,365 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-06 21:53:40,373 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;@4babd3d8, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-06 21:53:40,373 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-06 21:53:40,378 INFO L276 IsEmpty]: Start isEmpty. Operand has 38 states, 24 states have (on average 1.2916666666666667) internal successors, (31), 25 states have internal predecessors, (31), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2023-11-06 21:53:40,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-11-06 21:53:40,392 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 21:53:40,393 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:53:40,396 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 21:53:40,403 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 21:53:40,403 INFO L85 PathProgramCache]: Analyzing trace with hash -1785575530, now seen corresponding path program 1 times [2023-11-06 21:53:40,424 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-06 21:53:40,425 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1322345412] [2023-11-06 21:53:40,425 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 21:53:40,426 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 21:53:40,426 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae4b773a-0871-43f2-b6e3-aa6db5303602/bin/uautomizer-verify-WvqO1wxjHP/mathsat [2023-11-06 21:53:40,436 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae4b773a-0871-43f2-b6e3-aa6db5303602/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 21:53:40,485 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae4b773a-0871-43f2-b6e3-aa6db5303602/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 21:53:40,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:53:40,688 INFO L262 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-06 21:53:40,698 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 21:53:40,758 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 164 trivial. 0 not checked. [2023-11-06 21:53:40,758 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 21:53:40,759 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-06 21:53:40,759 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1322345412] [2023-11-06 21:53:40,760 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1322345412] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 21:53:40,760 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 21:53:40,760 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-06 21:53:40,762 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [218111434] [2023-11-06 21:53:40,762 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 21:53:40,769 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-06 21:53:40,769 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-06 21:53:40,813 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-06 21:53:40,814 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-06 21:53:40,817 INFO L87 Difference]: Start difference. First operand has 38 states, 24 states have (on average 1.2916666666666667) internal successors, (31), 25 states have internal predecessors, (31), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) Second operand has 2 states, 2 states have (on average 11.5) internal successors, (23), 2 states have internal predecessors, (23), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2023-11-06 21:53:40,878 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 21:53:40,878 INFO L93 Difference]: Finished difference Result 69 states and 111 transitions. [2023-11-06 21:53:40,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-06 21:53:40,880 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 11.5) internal successors, (23), 2 states have internal predecessors, (23), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 71 [2023-11-06 21:53:40,880 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 21:53:40,887 INFO L225 Difference]: With dead ends: 69 [2023-11-06 21:53:40,888 INFO L226 Difference]: Without dead ends: 34 [2023-11-06 21:53:40,891 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 70 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 21:53:40,895 INFO L413 NwaCegarLoop]: 45 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, 45 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 21:53:40,896 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 21:53:40,913 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2023-11-06 21:53:40,933 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 34. [2023-11-06 21:53:40,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34 states, 21 states have (on average 1.0952380952380953) internal successors, (23), 21 states have internal predecessors, (23), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2023-11-06 21:53:40,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 45 transitions. [2023-11-06 21:53:40,939 INFO L78 Accepts]: Start accepts. Automaton has 34 states and 45 transitions. Word has length 71 [2023-11-06 21:53:40,940 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 21:53:40,940 INFO L495 AbstractCegarLoop]: Abstraction has 34 states and 45 transitions. [2023-11-06 21:53:40,941 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 11.5) internal successors, (23), 2 states have internal predecessors, (23), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2023-11-06 21:53:40,941 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 45 transitions. [2023-11-06 21:53:40,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2023-11-06 21:53:40,948 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 21:53:40,948 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:53:40,965 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae4b773a-0871-43f2-b6e3-aa6db5303602/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 21:53:41,163 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae4b773a-0871-43f2-b6e3-aa6db5303602/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 21:53:41,163 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 21:53:41,164 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 21:53:41,165 INFO L85 PathProgramCache]: Analyzing trace with hash -1097840993, now seen corresponding path program 1 times [2023-11-06 21:53:41,166 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-06 21:53:41,167 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1476390071] [2023-11-06 21:53:41,167 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 21:53:41,168 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 21:53:41,169 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae4b773a-0871-43f2-b6e3-aa6db5303602/bin/uautomizer-verify-WvqO1wxjHP/mathsat [2023-11-06 21:53:41,170 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae4b773a-0871-43f2-b6e3-aa6db5303602/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 21:53:41,186 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae4b773a-0871-43f2-b6e3-aa6db5303602/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 21:53:41,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:53:41,367 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 20 conjunts are in the unsatisfiable core [2023-11-06 21:53:41,376 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 21:53:45,001 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 170 proven. 27 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2023-11-06 21:53:45,002 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-06 21:53:46,592 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2023-11-06 21:53:46,593 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-06 21:53:46,593 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1476390071] [2023-11-06 21:53:46,594 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1476390071] provided 1 perfect and 1 imperfect interpolant sequences [2023-11-06 21:53:46,595 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-06 21:53:46,595 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [18] total 25 [2023-11-06 21:53:46,599 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [827972065] [2023-11-06 21:53:46,599 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 21:53:46,602 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-06 21:53:46,602 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-06 21:53:46,605 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-06 21:53:46,607 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=122, Invalid=478, Unknown=0, NotChecked=0, Total=600 [2023-11-06 21:53:46,607 INFO L87 Difference]: Start difference. First operand 34 states and 45 transitions. Second operand has 9 states, 9 states have (on average 2.5555555555555554) internal successors, (23), 8 states have internal predecessors, (23), 1 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 2 states have call predecessors, (11), 1 states have call successors, (11) [2023-11-06 21:53:47,213 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 21:53:47,213 INFO L93 Difference]: Finished difference Result 88 states and 119 transitions. [2023-11-06 21:53:47,214 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-11-06 21:53:47,214 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 2.5555555555555554) internal successors, (23), 8 states have internal predecessors, (23), 1 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 2 states have call predecessors, (11), 1 states have call successors, (11) Word has length 72 [2023-11-06 21:53:47,215 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 21:53:47,218 INFO L225 Difference]: With dead ends: 88 [2023-11-06 21:53:47,218 INFO L226 Difference]: Without dead ends: 86 [2023-11-06 21:53:47,219 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 149 GetRequests, 121 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 225 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=166, Invalid=704, Unknown=0, NotChecked=0, Total=870 [2023-11-06 21:53:47,220 INFO L413 NwaCegarLoop]: 79 mSDtfsCounter, 108 mSDsluCounter, 178 mSDsCounter, 0 mSdLazyCounter, 129 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 109 SdHoareTripleChecker+Valid, 257 SdHoareTripleChecker+Invalid, 145 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 129 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-11-06 21:53:47,221 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [109 Valid, 257 Invalid, 145 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 129 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-11-06 21:53:47,222 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86 states. [2023-11-06 21:53:47,238 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86 to 41. [2023-11-06 21:53:47,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41 states, 27 states have (on average 1.0740740740740742) internal successors, (29), 27 states have internal predecessors, (29), 11 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2023-11-06 21:53:47,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 51 transitions. [2023-11-06 21:53:47,240 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 51 transitions. Word has length 72 [2023-11-06 21:53:47,241 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 21:53:47,241 INFO L495 AbstractCegarLoop]: Abstraction has 41 states and 51 transitions. [2023-11-06 21:53:47,242 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 2.5555555555555554) internal successors, (23), 8 states have internal predecessors, (23), 1 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 2 states have call predecessors, (11), 1 states have call successors, (11) [2023-11-06 21:53:47,242 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 51 transitions. [2023-11-06 21:53:47,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2023-11-06 21:53:47,244 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 21:53:47,244 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:53:47,265 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae4b773a-0871-43f2-b6e3-aa6db5303602/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2023-11-06 21:53:47,464 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae4b773a-0871-43f2-b6e3-aa6db5303602/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 21:53:47,464 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 21:53:47,465 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 21:53:47,465 INFO L85 PathProgramCache]: Analyzing trace with hash -1095993951, now seen corresponding path program 1 times [2023-11-06 21:53:47,465 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-06 21:53:47,466 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1474088251] [2023-11-06 21:53:47,466 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 21:53:47,466 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 21:53:47,466 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae4b773a-0871-43f2-b6e3-aa6db5303602/bin/uautomizer-verify-WvqO1wxjHP/mathsat [2023-11-06 21:53:47,468 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae4b773a-0871-43f2-b6e3-aa6db5303602/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 21:53:47,472 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae4b773a-0871-43f2-b6e3-aa6db5303602/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2023-11-06 21:53:47,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:53:47,664 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 22 conjunts are in the unsatisfiable core [2023-11-06 21:53:47,671 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 21:53:51,462 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 181 proven. 21 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-11-06 21:53:51,463 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-06 21:53:53,669 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 69 proven. 51 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2023-11-06 21:53:53,670 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-06 21:53:53,670 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1474088251] [2023-11-06 21:53:53,670 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1474088251] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-06 21:53:53,671 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-06 21:53:53,671 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 21] total 37 [2023-11-06 21:53:53,671 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2090649061] [2023-11-06 21:53:53,671 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-06 21:53:53,672 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 37 states [2023-11-06 21:53:53,673 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-06 21:53:53,674 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2023-11-06 21:53:53,675 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=306, Invalid=1026, Unknown=0, NotChecked=0, Total=1332 [2023-11-06 21:53:53,675 INFO L87 Difference]: Start difference. First operand 41 states and 51 transitions. Second operand has 37 states, 37 states have (on average 1.7837837837837838) internal successors, (66), 35 states have internal predecessors, (66), 6 states have call successors, (18), 5 states have call predecessors, (18), 14 states have return successors, (19), 8 states have call predecessors, (19), 6 states have call successors, (19) [2023-11-06 21:53:57,728 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 21:53:57,729 INFO L93 Difference]: Finished difference Result 98 states and 114 transitions. [2023-11-06 21:53:57,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2023-11-06 21:53:57,730 INFO L78 Accepts]: Start accepts. Automaton has has 37 states, 37 states have (on average 1.7837837837837838) internal successors, (66), 35 states have internal predecessors, (66), 6 states have call successors, (18), 5 states have call predecessors, (18), 14 states have return successors, (19), 8 states have call predecessors, (19), 6 states have call successors, (19) Word has length 72 [2023-11-06 21:53:57,731 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 21:53:57,731 INFO L225 Difference]: With dead ends: 98 [2023-11-06 21:53:57,731 INFO L226 Difference]: Without dead ends: 0 [2023-11-06 21:53:57,735 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 183 GetRequests, 108 SyntacticMatches, 1 SemanticMatches, 74 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1545 ImplicationChecksByTransitivity, 4.5s TimeCoverageRelationStatistics Valid=1422, Invalid=4278, Unknown=0, NotChecked=0, Total=5700 [2023-11-06 21:53:57,736 INFO L413 NwaCegarLoop]: 42 mSDtfsCounter, 132 mSDsluCounter, 111 mSDsCounter, 0 mSdLazyCounter, 527 mSolverCounterSat, 140 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 134 SdHoareTripleChecker+Valid, 153 SdHoareTripleChecker+Invalid, 667 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 140 IncrementalHoareTripleChecker+Valid, 527 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2023-11-06 21:53:57,737 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [134 Valid, 153 Invalid, 667 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [140 Valid, 527 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2023-11-06 21:53:57,737 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-11-06 21:53:57,738 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-11-06 21:53:57,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 21:53:57,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-11-06 21:53:57,738 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 72 [2023-11-06 21:53:57,739 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 21:53:57,739 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-06 21:53:57,739 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 37 states, 37 states have (on average 1.7837837837837838) internal successors, (66), 35 states have internal predecessors, (66), 6 states have call successors, (18), 5 states have call predecessors, (18), 14 states have return successors, (19), 8 states have call predecessors, (19), 6 states have call successors, (19) [2023-11-06 21:53:57,739 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-11-06 21:53:57,740 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-06 21:53:57,742 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-06 21:53:57,761 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae4b773a-0871-43f2-b6e3-aa6db5303602/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2023-11-06 21:53:57,956 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae4b773a-0871-43f2-b6e3-aa6db5303602/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 21:53:57,958 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-11-06 21:53:59,678 INFO L895 garLoopResultBuilder]: At program point L56(line 56) the Hoare annotation is: (and (bvsle ((_ zero_extend 24) ~var_1_5~0) (_ bv0 32)) (bvsle ((_ zero_extend 24) ~var_1_4~0) (_ bv0 32)) (fp.eq ~var_1_9~0 ~var_1_9~0) (bvsle ((_ zero_extend 24) ~var_1_6~0) (_ bv0 32))) [2023-11-06 21:53:59,678 INFO L895 garLoopResultBuilder]: At program point L56-1(line 56) the Hoare annotation is: (and (bvsle ((_ zero_extend 24) ~var_1_5~0) (_ bv0 32)) (bvsle ((_ zero_extend 24) ~var_1_4~0) (_ bv0 32)) (fp.eq ~var_1_9~0 ~var_1_9~0) (bvsle ((_ zero_extend 24) ~var_1_6~0) (_ bv0 32)) (bvsge ((_ zero_extend 24) ~var_1_7~0) (_ bv1 32))) [2023-11-06 21:53:59,678 INFO L899 garLoopResultBuilder]: For program point L19(line 19) no Hoare annotation was computed. [2023-11-06 21:53:59,678 INFO L899 garLoopResultBuilder]: For program point L19-1(line 19) no Hoare annotation was computed. [2023-11-06 21:53:59,678 INFO L899 garLoopResultBuilder]: For program point L48(line 48) no Hoare annotation was computed. [2023-11-06 21:53:59,679 INFO L895 garLoopResultBuilder]: At program point L19-3(line 19) the Hoare annotation is: (and (= |ULTIMATE.start___VERIFIER_assert_~cond#1| (_ bv1 32)) (= |ULTIMATE.start_property_#res#1| (_ bv1 32)) (bvsle ((_ zero_extend 24) ~var_1_5~0) (_ bv0 32)) (bvsle ((_ zero_extend 24) ~var_1_4~0) (_ bv0 32)) (bvsle ((_ zero_extend 24) ~var_1_6~0) (_ bv0 32)) (fp.eq ~var_1_8~0 ~var_1_9~0) (bvsge ((_ zero_extend 24) ~var_1_7~0) (_ bv1 32)) (= ~var_1_1~0 (_ bv0 8)) (let ((.cse0 ((_ to_fp 8 24) currentRoundingMode 9223372036854765600.0)) (.cse1 ((_ to_fp 8 24) currentRoundingMode (/ 1.0 100000000000000000000.0)))) (or (and (fp.geq ~var_1_9~0 (fp.neg .cse0)) (fp.leq ~var_1_9~0 (fp.neg .cse1))) (and (fp.leq ~var_1_9~0 .cse0) (fp.geq ~var_1_9~0 .cse1))))) [2023-11-06 21:53:59,679 INFO L895 garLoopResultBuilder]: At program point L44(line 44) the Hoare annotation is: (and (bvsle ((_ zero_extend 24) ~var_1_5~0) (_ bv0 32)) (bvsle ((_ zero_extend 24) ~var_1_4~0) (_ bv0 32)) (bvsle ((_ zero_extend 24) ~var_1_6~0) (_ bv0 32)) (bvsge ((_ zero_extend 24) ~var_1_7~0) (_ bv1 32)) (let ((.cse0 ((_ to_fp 8 24) currentRoundingMode 9223372036854765600.0)) (.cse1 ((_ to_fp 8 24) currentRoundingMode (/ 1.0 100000000000000000000.0)))) (or (and (fp.geq ~var_1_9~0 (fp.neg .cse0)) (fp.leq ~var_1_9~0 (fp.neg .cse1))) (and (fp.leq ~var_1_9~0 .cse0) (fp.geq ~var_1_9~0 .cse1))))) [2023-11-06 21:53:59,679 INFO L895 garLoopResultBuilder]: At program point L44-1(line 44) the Hoare annotation is: (and (bvsle ((_ zero_extend 24) ~var_1_5~0) (_ bv0 32)) (bvsle ((_ zero_extend 24) ~var_1_4~0) (_ bv0 32)) (bvsle ((_ zero_extend 24) ~var_1_6~0) (_ bv0 32)) (bvsge ((_ zero_extend 24) ~var_1_7~0) (_ bv1 32)) (let ((.cse0 ((_ to_fp 8 24) currentRoundingMode 9223372036854765600.0)) (.cse1 ((_ to_fp 8 24) currentRoundingMode (/ 1.0 100000000000000000000.0)))) (or (and (fp.geq ~var_1_9~0 (fp.neg .cse0)) (fp.leq ~var_1_9~0 (fp.neg .cse1))) (and (fp.leq ~var_1_9~0 .cse0) (fp.geq ~var_1_9~0 .cse1))))) [2023-11-06 21:53:59,680 INFO L895 garLoopResultBuilder]: At program point main_returnLabel#1(lines 67 78) the Hoare annotation is: false [2023-11-06 21:53:59,680 INFO L899 garLoopResultBuilder]: For program point L32(lines 32 41) no Hoare annotation was computed. [2023-11-06 21:53:59,680 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2023-11-06 21:53:59,680 INFO L899 garLoopResultBuilder]: For program point L61(lines 61 62) no Hoare annotation was computed. [2023-11-06 21:53:59,680 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2023-11-06 21:53:59,680 INFO L899 garLoopResultBuilder]: For program point L57(line 57) no Hoare annotation was computed. [2023-11-06 21:53:59,680 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 19) no Hoare annotation was computed. [2023-11-06 21:53:59,681 INFO L895 garLoopResultBuilder]: At program point L53(line 53) the Hoare annotation is: (and (bvsle ((_ zero_extend 24) ~var_1_5~0) (_ bv0 32)) (bvsle ((_ zero_extend 24) ~var_1_4~0) (_ bv0 32)) (or (not (= ~var_1_7~0 (_ bv0 8))) (not (= |assume_abort_if_not_#in~cond| (_ bv0 32))) (not (bvsle ((_ zero_extend 24) ~var_1_6~0) (_ bv0 32)))) (fp.eq ~var_1_9~0 ~var_1_9~0)) [2023-11-06 21:53:59,681 INFO L895 garLoopResultBuilder]: At program point L53-1(line 53) the Hoare annotation is: (and (bvsle ((_ zero_extend 24) ~var_1_5~0) (_ bv0 32)) (bvsle ((_ zero_extend 24) ~var_1_4~0) (_ bv0 32)) (or (not (= ~var_1_7~0 (_ bv0 8))) (not (= |assume_abort_if_not_#in~cond| (_ bv0 32))) (not (bvsle ((_ zero_extend 24) ~var_1_6~0) (_ bv0 32)))) (fp.eq ~var_1_9~0 ~var_1_9~0)) [2023-11-06 21:53:59,681 INFO L895 garLoopResultBuilder]: At program point property_returnLabel#1(lines 63 66) the Hoare annotation is: (and (= |ULTIMATE.start_property_#res#1| (_ bv1 32)) (bvsle ((_ zero_extend 24) ~var_1_5~0) (_ bv0 32)) (bvsle ((_ zero_extend 24) ~var_1_4~0) (_ bv0 32)) (bvsle ((_ zero_extend 24) ~var_1_6~0) (_ bv0 32)) (fp.eq ~var_1_8~0 ~var_1_9~0) (bvsge ((_ zero_extend 24) ~var_1_7~0) (_ bv1 32)) (= ~var_1_1~0 (_ bv0 8)) (let ((.cse0 ((_ to_fp 8 24) currentRoundingMode 9223372036854765600.0)) (.cse1 ((_ to_fp 8 24) currentRoundingMode (/ 1.0 100000000000000000000.0)))) (or (and (fp.geq ~var_1_9~0 (fp.neg .cse0)) (fp.leq ~var_1_9~0 (fp.neg .cse1))) (and (fp.leq ~var_1_9~0 .cse0) (fp.geq ~var_1_9~0 .cse1))))) [2023-11-06 21:53:59,681 INFO L899 garLoopResultBuilder]: For program point L45(line 45) no Hoare annotation was computed. [2023-11-06 21:53:59,682 INFO L895 garLoopResultBuilder]: At program point L70-2(lines 70 76) the Hoare annotation is: (and (bvsle ((_ zero_extend 24) ~var_1_5~0) (_ bv0 32)) (bvsle ((_ zero_extend 24) ~var_1_4~0) (_ bv0 32)) (bvsle ((_ zero_extend 24) ~var_1_6~0) (_ bv0 32)) (bvsge ((_ zero_extend 24) ~var_1_7~0) (_ bv1 32)) (let ((.cse0 ((_ to_fp 8 24) currentRoundingMode 9223372036854765600.0)) (.cse1 ((_ to_fp 8 24) currentRoundingMode (/ 1.0 100000000000000000000.0)))) (or (and (fp.geq ~var_1_9~0 (fp.neg .cse0)) (fp.leq ~var_1_9~0 (fp.neg .cse1))) (and (fp.leq ~var_1_9~0 .cse0) (fp.geq ~var_1_9~0 .cse1))))) [2023-11-06 21:53:59,682 INFO L899 garLoopResultBuilder]: For program point L70-3(lines 70 76) no Hoare annotation was computed. [2023-11-06 21:53:59,682 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-11-06 21:53:59,682 INFO L899 garLoopResultBuilder]: For program point L54(line 54) no Hoare annotation was computed. [2023-11-06 21:53:59,682 INFO L895 garLoopResultBuilder]: At program point L50(line 50) the Hoare annotation is: (let ((.cse0 (not (bvsle ((_ zero_extend 24) ~var_1_5~0) (_ bv0 32)))) (.cse1 (not (= |assume_abort_if_not_#in~cond| (_ bv0 32))))) (and (or (not (= ~var_1_7~0 (_ bv0 8))) .cse0 .cse1) (or .cse0 .cse1 (bvsle ((_ zero_extend 24) ~var_1_6~0) (_ bv0 32))) (bvsle ((_ zero_extend 24) ~var_1_4~0) (_ bv0 32)) (fp.eq ~var_1_9~0 ~var_1_9~0))) [2023-11-06 21:53:59,683 INFO L895 garLoopResultBuilder]: At program point L50-1(line 50) the Hoare annotation is: (let ((.cse0 (not (bvsle ((_ zero_extend 24) ~var_1_5~0) (_ bv0 32)))) (.cse1 (not (= |assume_abort_if_not_#in~cond| (_ bv0 32))))) (and (or (not (= ~var_1_7~0 (_ bv0 8))) .cse0 .cse1) (or .cse0 .cse1 (bvsle ((_ zero_extend 24) ~var_1_6~0) (_ bv0 32))) (bvsle ((_ zero_extend 24) ~var_1_4~0) (_ bv0 32)) (fp.eq ~var_1_9~0 ~var_1_9~0))) [2023-11-06 21:53:59,683 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-11-06 21:53:59,683 INFO L899 garLoopResultBuilder]: For program point L34(lines 34 40) no Hoare annotation was computed. [2023-11-06 21:53:59,683 INFO L899 garLoopResultBuilder]: For program point L30(lines 30 31) no Hoare annotation was computed. [2023-11-06 21:53:59,683 INFO L895 garLoopResultBuilder]: At program point L59(line 59) the Hoare annotation is: (and (bvsle ((_ zero_extend 24) ~var_1_5~0) (_ bv0 32)) (bvsle ((_ zero_extend 24) ~var_1_4~0) (_ bv0 32)) (bvsle ((_ zero_extend 24) ~var_1_6~0) (_ bv0 32)) (bvsge ((_ zero_extend 24) ~var_1_7~0) (_ bv1 32))) [2023-11-06 21:53:59,683 INFO L899 garLoopResultBuilder]: For program point L59-1(lines 42 60) no Hoare annotation was computed. [2023-11-06 21:53:59,683 INFO L899 garLoopResultBuilder]: For program point L51(line 51) no Hoare annotation was computed. [2023-11-06 21:53:59,684 INFO L895 garLoopResultBuilder]: At program point L47(line 47) the Hoare annotation is: (let ((.cse0 (not (bvsle ((_ zero_extend 24) ~var_1_4~0) (_ bv0 32)))) (.cse1 (not (= |assume_abort_if_not_#in~cond| (_ bv0 32))))) (and (or (not (= ~var_1_7~0 (_ bv0 8))) .cse0 .cse1) (fp.eq ~var_1_9~0 ~var_1_9~0) (or .cse0 .cse1 (bvsle ((_ zero_extend 24) ~var_1_6~0) (_ bv0 32))) (or .cse0 (bvsle ((_ zero_extend 24) ~var_1_5~0) (_ bv0 32)) .cse1))) [2023-11-06 21:53:59,684 INFO L895 garLoopResultBuilder]: At program point L47-1(line 47) the Hoare annotation is: (let ((.cse0 (not (bvsle ((_ zero_extend 24) ~var_1_4~0) (_ bv0 32)))) (.cse1 (not (= |assume_abort_if_not_#in~cond| (_ bv0 32))))) (and (or (not (= ~var_1_7~0 (_ bv0 8))) .cse0 .cse1) (fp.eq ~var_1_9~0 ~var_1_9~0) (or .cse0 .cse1 (bvsle ((_ zero_extend 24) ~var_1_6~0) (_ bv0 32))) (or .cse0 (bvsle ((_ zero_extend 24) ~var_1_5~0) (_ bv0 32)) .cse1))) [2023-11-06 21:53:59,684 INFO L899 garLoopResultBuilder]: For program point L35(lines 35 39) no Hoare annotation was computed. [2023-11-06 21:53:59,685 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(line 20) the Hoare annotation is: true [2023-11-06 21:53:59,685 INFO L899 garLoopResultBuilder]: For program point L20(line 20) no Hoare annotation was computed. [2023-11-06 21:53:59,686 INFO L899 garLoopResultBuilder]: For program point L20-2(line 20) no Hoare annotation was computed. [2023-11-06 21:53:59,686 INFO L899 garLoopResultBuilder]: For program point assume_abort_if_notEXIT(line 20) no Hoare annotation was computed. [2023-11-06 21:53:59,689 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2023-11-06 21:53:59,691 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-06 21:53:59,702 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: Missing case for function ~fp.eq~32 [2023-11-06 21:53:59,703 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: Missing case for function ~fp.eq~32 [2023-11-06 21:53:59,704 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: Missing case for function ~fp.eq~32 [2023-11-06 21:53:59,705 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: Missing case for function ~fp.eq~32 [2023-11-06 21:53:59,706 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.11 09:53:59 BoogieIcfgContainer [2023-11-06 21:53:59,706 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-06 21:53:59,707 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-06 21:53:59,707 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-06 21:53:59,707 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-06 21:53:59,708 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 09:53:40" (3/4) ... [2023-11-06 21:53:59,710 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-06 21:53:59,714 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2023-11-06 21:53:59,719 INFO L939 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2023-11-06 21:53:59,720 INFO L939 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2023-11-06 21:53:59,720 INFO L939 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-06 21:53:59,720 INFO L939 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-06 21:53:59,749 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((\result == 1) && (var_1_5 <= 0)) && (var_1_4 <= 0)) && (var_1_6 <= 0)) && (var_1_7 >= 1)) && (var_1_1 == 0)) [2023-11-06 21:53:59,750 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((cond == 1) && (\result == 1)) && (var_1_5 <= 0)) && (var_1_4 <= 0)) && (var_1_6 <= 0)) && (var_1_7 >= 1)) && (var_1_1 == 0)) [2023-11-06 21:53:59,782 WARN L115 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((\result == 1) && (var_1_5 <= 0)) && (var_1_4 <= 0)) && (var_1_6 <= 0)) && (var_1_7 >= 1)) && (var_1_1 == 0)) [2023-11-06 21:53:59,782 WARN L115 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((cond == 1) && (\result == 1)) && (var_1_5 <= 0)) && (var_1_4 <= 0)) && (var_1_6 <= 0)) && (var_1_7 >= 1)) && (var_1_1 == 0)) [2023-11-06 21:53:59,803 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae4b773a-0871-43f2-b6e3-aa6db5303602/bin/uautomizer-verify-WvqO1wxjHP/witness.graphml.graphml [2023-11-06 21:53:59,803 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae4b773a-0871-43f2-b6e3-aa6db5303602/bin/uautomizer-verify-WvqO1wxjHP/witness.graphml.yaml [2023-11-06 21:53:59,804 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-06 21:53:59,804 INFO L158 Benchmark]: Toolchain (without parser) took 20492.29ms. Allocated memory was 71.3MB in the beginning and 325.1MB in the end (delta: 253.8MB). Free memory was 47.0MB in the beginning and 226.7MB in the end (delta: -179.6MB). Peak memory consumption was 76.1MB. Max. memory is 16.1GB. [2023-11-06 21:53:59,806 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 71.3MB. Free memory was 46.8MB in the beginning and 46.8MB in the end (delta: 69.8kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 21:53:59,806 INFO L158 Benchmark]: CACSL2BoogieTranslator took 338.75ms. Allocated memory is still 71.3MB. Free memory was 46.7MB in the beginning and 35.1MB in the end (delta: 11.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-06 21:53:59,807 INFO L158 Benchmark]: Boogie Procedure Inliner took 44.40ms. Allocated memory is still 71.3MB. Free memory was 35.1MB in the beginning and 33.4MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 21:53:59,807 INFO L158 Benchmark]: Boogie Preprocessor took 91.42ms. Allocated memory was 71.3MB in the beginning and 94.4MB in the end (delta: 23.1MB). Free memory was 33.4MB in the beginning and 72.8MB in the end (delta: -39.5MB). Peak memory consumption was 5.0MB. Max. memory is 16.1GB. [2023-11-06 21:53:59,808 INFO L158 Benchmark]: RCFGBuilder took 467.24ms. Allocated memory is still 94.4MB. Free memory was 72.8MB in the beginning and 60.6MB in the end (delta: 12.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-06 21:53:59,808 INFO L158 Benchmark]: TraceAbstraction took 19443.55ms. Allocated memory was 94.4MB in the beginning and 325.1MB in the end (delta: 230.7MB). Free memory was 59.8MB in the beginning and 230.9MB in the end (delta: -171.1MB). Peak memory consumption was 186.4MB. Max. memory is 16.1GB. [2023-11-06 21:53:59,808 INFO L158 Benchmark]: Witness Printer took 96.94ms. Allocated memory is still 325.1MB. Free memory was 230.9MB in the beginning and 226.7MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-06 21:53:59,812 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 71.3MB. Free memory was 46.8MB in the beginning and 46.8MB in the end (delta: 69.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 338.75ms. Allocated memory is still 71.3MB. Free memory was 46.7MB in the beginning and 35.1MB in the end (delta: 11.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 44.40ms. Allocated memory is still 71.3MB. Free memory was 35.1MB in the beginning and 33.4MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 91.42ms. Allocated memory was 71.3MB in the beginning and 94.4MB in the end (delta: 23.1MB). Free memory was 33.4MB in the beginning and 72.8MB in the end (delta: -39.5MB). Peak memory consumption was 5.0MB. Max. memory is 16.1GB. * RCFGBuilder took 467.24ms. Allocated memory is still 94.4MB. Free memory was 72.8MB in the beginning and 60.6MB in the end (delta: 12.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * TraceAbstraction took 19443.55ms. Allocated memory was 94.4MB in the beginning and 325.1MB in the end (delta: 230.7MB). Free memory was 59.8MB in the beginning and 230.9MB in the end (delta: -171.1MB). Peak memory consumption was 186.4MB. Max. memory is 16.1GB. * Witness Printer took 96.94ms. Allocated memory is still 325.1MB. Free memory was 230.9MB in the beginning and 226.7MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Missing case for function ~fp.eq~32 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Missing case for function ~fp.eq~32 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Missing case for function ~fp.eq~32 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Missing case for function ~fp.eq~32 * 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 - PositiveResult [Line: 19]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 38 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 19.3s, OverallIterations: 3, TraceHistogramMax: 11, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 4.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.7s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 243 SdHoareTripleChecker+Valid, 1.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 240 mSDsluCounter, 455 SdHoareTripleChecker+Invalid, 1.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 289 mSDsCounter, 156 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 656 IncrementalHoareTripleChecker+Invalid, 812 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 156 mSolverCounterUnsat, 166 mSDtfsCounter, 656 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 402 GetRequests, 299 SyntacticMatches, 1 SemanticMatches, 102 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1770 ImplicationChecksByTransitivity, 5.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=41occurred in iteration=2, InterpolantAutomatonStates: 64, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 45 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 16 LocationsWithAnnotation, 48 PreInvPairs, 75 NumberOfFragments, 502 HoareAnnotationTreeSize, 48 FomulaSimplifications, 361 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 16 FomulaSimplificationsInter, 1844 FormulaSimplificationTreeSizeReductionInter, 1.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 11.3s InterpolantComputationTime, 215 NumberOfCodeBlocks, 215 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 354 ConstructedInterpolants, 0 QuantifiedInterpolants, 2210 SizeOfPredicates, 43 NumberOfNonLiveVariables, 352 ConjunctsInSsa, 43 ConjunctsInUnsatCore, 5 InterpolantComputations, 2 PerfectInterpolantSequences, 1001/1100 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 - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 70]: Loop Invariant Derived loop invariant: ((((var_1_5 <= 0) && (var_1_4 <= 0)) && (var_1_6 <= 0)) && (var_1_7 >= 1)) - InvariantResult [Line: 67]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 63]: Loop Invariant [2023-11-06 21:53:59,845 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: Missing case for function ~fp.eq~32 [2023-11-06 21:53:59,846 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: Missing case for function ~fp.eq~32 Derived loop invariant: ((((((\result == 1) && (var_1_5 <= 0)) && (var_1_4 <= 0)) && (var_1_6 <= 0)) && (var_1_7 >= 1)) && (var_1_1 == 0)) - InvariantResult [Line: 19]: Loop Invariant [2023-11-06 21:53:59,847 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: Missing case for function ~fp.eq~32 [2023-11-06 21:53:59,848 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: Missing case for function ~fp.eq~32 Derived loop invariant: (((((((cond == 1) && (\result == 1)) && (var_1_5 <= 0)) && (var_1_4 <= 0)) && (var_1_6 <= 0)) && (var_1_7 >= 1)) && (var_1_1 == 0)) RESULT: Ultimate proved your program to be correct! [2023-11-06 21:53:59,868 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae4b773a-0871-43f2-b6e3-aa6db5303602/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 Writing output log to file Ultimate.log Result: TRUE