./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-62.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e7bb482b Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d6117cf-bae9-4c48-99a0-b20fb9064e64/bin/uautomizer-verify-WvqO1wxjHP/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d6117cf-bae9-4c48-99a0-b20fb9064e64/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_1d6117cf-bae9-4c48-99a0-b20fb9064e64/bin/uautomizer-verify-WvqO1wxjHP/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d6117cf-bae9-4c48-99a0-b20fb9064e64/bin/uautomizer-verify-WvqO1wxjHP/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-62.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d6117cf-bae9-4c48-99a0-b20fb9064e64/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_1d6117cf-bae9-4c48-99a0-b20fb9064e64/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 6fce1457242a9805f1dea2d31ffb0214a33eeb8d294031dc95b23932416bce93 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-e7bb482 [2023-11-06 21:59:28,576 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-06 21:59:28,663 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d6117cf-bae9-4c48-99a0-b20fb9064e64/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-06 21:59:28,668 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-06 21:59:28,669 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-06 21:59:28,703 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-06 21:59:28,704 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-06 21:59:28,705 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-06 21:59:28,706 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-06 21:59:28,706 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-06 21:59:28,707 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-06 21:59:28,708 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-06 21:59:28,708 INFO L153 SettingsManager]: * Use SBE=true [2023-11-06 21:59:28,709 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-06 21:59:28,709 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-06 21:59:28,710 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-06 21:59:28,710 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-06 21:59:28,711 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-06 21:59:28,711 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-06 21:59:28,712 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-06 21:59:28,712 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-06 21:59:28,713 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-06 21:59:28,713 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-06 21:59:28,714 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-06 21:59:28,714 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-06 21:59:28,715 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-06 21:59:28,715 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-06 21:59:28,715 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-06 21:59:28,716 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 21:59:28,716 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-06 21:59:28,717 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-06 21:59:28,717 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-11-06 21:59:28,718 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-06 21:59:28,718 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-06 21:59:28,719 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-06 21:59:28,719 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-06 21:59:28,719 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-06 21:59:28,720 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-06 21:59:28,720 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-06 21:59:28,721 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_1d6117cf-bae9-4c48-99a0-b20fb9064e64/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d6117cf-bae9-4c48-99a0-b20fb9064e64/bin/uautomizer-verify-WvqO1wxjHP Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6fce1457242a9805f1dea2d31ffb0214a33eeb8d294031dc95b23932416bce93 [2023-11-06 21:59:29,004 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-06 21:59:29,031 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-06 21:59:29,034 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-06 21:59:29,036 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-06 21:59:29,036 INFO L274 PluginConnector]: CDTParser initialized [2023-11-06 21:59:29,038 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d6117cf-bae9-4c48-99a0-b20fb9064e64/bin/uautomizer-verify-WvqO1wxjHP/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-62.i [2023-11-06 21:59:32,075 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-06 21:59:32,362 INFO L384 CDTParser]: Found 1 translation units. [2023-11-06 21:59:32,363 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d6117cf-bae9-4c48-99a0-b20fb9064e64/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-62.i [2023-11-06 21:59:32,373 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d6117cf-bae9-4c48-99a0-b20fb9064e64/bin/uautomizer-verify-WvqO1wxjHP/data/6081979f3/85faf333139b43fc9be518c334481cff/FLAG1e825f29b [2023-11-06 21:59:32,391 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d6117cf-bae9-4c48-99a0-b20fb9064e64/bin/uautomizer-verify-WvqO1wxjHP/data/6081979f3/85faf333139b43fc9be518c334481cff [2023-11-06 21:59:32,395 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-06 21:59:32,397 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-06 21:59:32,398 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-06 21:59:32,399 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-06 21:59:32,406 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-06 21:59:32,407 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 09:59:32" (1/1) ... [2023-11-06 21:59:32,408 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@15c50285 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:59:32, skipping insertion in model container [2023-11-06 21:59:32,409 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 09:59:32" (1/1) ... [2023-11-06 21:59:32,439 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 21:59:32,589 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_1d6117cf-bae9-4c48-99a0-b20fb9064e64/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-62.i[915,928] [2023-11-06 21:59:32,633 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 21:59:32,653 INFO L202 MainTranslator]: Completed pre-run [2023-11-06 21:59:32,667 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_1d6117cf-bae9-4c48-99a0-b20fb9064e64/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-62.i[915,928] [2023-11-06 21:59:32,712 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 21:59:32,732 INFO L206 MainTranslator]: Completed translation [2023-11-06 21:59:32,737 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:59:32 WrapperNode [2023-11-06 21:59:32,738 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-06 21:59:32,740 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-06 21:59:32,742 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-06 21:59:32,742 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-06 21:59:32,750 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:59:32" (1/1) ... [2023-11-06 21:59:32,760 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:59:32" (1/1) ... [2023-11-06 21:59:32,797 INFO L138 Inliner]: procedures = 26, calls = 27, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 103 [2023-11-06 21:59:32,798 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-06 21:59:32,798 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-06 21:59:32,799 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-06 21:59:32,799 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-06 21:59:32,809 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:59:32" (1/1) ... [2023-11-06 21:59:32,815 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:59:32" (1/1) ... [2023-11-06 21:59:32,818 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:59:32" (1/1) ... [2023-11-06 21:59:32,818 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:59:32" (1/1) ... [2023-11-06 21:59:32,825 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:59:32" (1/1) ... [2023-11-06 21:59:32,829 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:59:32" (1/1) ... [2023-11-06 21:59:32,831 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:59:32" (1/1) ... [2023-11-06 21:59:32,832 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:59:32" (1/1) ... [2023-11-06 21:59:32,835 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-06 21:59:32,836 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-06 21:59:32,839 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-06 21:59:32,839 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-06 21:59:32,840 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:59:32" (1/1) ... [2023-11-06 21:59:32,860 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 21:59:32,874 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d6117cf-bae9-4c48-99a0-b20fb9064e64/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 21:59:32,911 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d6117cf-bae9-4c48-99a0-b20fb9064e64/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-06 21:59:32,920 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d6117cf-bae9-4c48-99a0-b20fb9064e64/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-06 21:59:33,017 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-06 21:59:33,018 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-06 21:59:33,018 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-06 21:59:33,018 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-06 21:59:33,019 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-06 21:59:33,019 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-06 21:59:33,171 INFO L236 CfgBuilder]: Building ICFG [2023-11-06 21:59:33,174 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-06 21:59:33,470 INFO L277 CfgBuilder]: Performing block encoding [2023-11-06 21:59:33,477 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-06 21:59:33,477 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-06 21:59:33,479 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 09:59:33 BoogieIcfgContainer [2023-11-06 21:59:33,479 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-06 21:59:33,482 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-06 21:59:33,482 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-06 21:59:33,486 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-06 21:59:33,486 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 09:59:32" (1/3) ... [2023-11-06 21:59:33,487 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@74b0d5b3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 09:59:33, skipping insertion in model container [2023-11-06 21:59:33,488 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:59:32" (2/3) ... [2023-11-06 21:59:33,488 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@74b0d5b3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 09:59:33, skipping insertion in model container [2023-11-06 21:59:33,488 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 09:59:33" (3/3) ... [2023-11-06 21:59:33,490 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_25-while_file-62.i [2023-11-06 21:59:33,509 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-06 21:59:33,510 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-06 21:59:33,563 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-06 21:59:33,570 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;@53ca5e2, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-06 21:59:33,571 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-06 21:59:33,575 INFO L276 IsEmpty]: Start isEmpty. Operand has 46 states, 29 states have (on average 1.3103448275862069) internal successors, (38), 30 states have internal predecessors, (38), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2023-11-06 21:59:33,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2023-11-06 21:59:33,591 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 21:59:33,593 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:59:33,593 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 21:59:33,602 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 21:59:33,602 INFO L85 PathProgramCache]: Analyzing trace with hash 1942112404, now seen corresponding path program 1 times [2023-11-06 21:59:33,615 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 21:59:33,615 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1488017468] [2023-11-06 21:59:33,616 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 21:59:33,617 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 21:59:33,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:59:33,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-06 21:59:33,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:59:33,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-06 21:59:34,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:59:34,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-11-06 21:59:34,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:59:34,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-06 21:59:34,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:59:34,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2023-11-06 21:59:34,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:59:34,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-11-06 21:59:34,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:59:34,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-11-06 21:59:34,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:59:34,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-11-06 21:59:34,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:59:34,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2023-11-06 21:59:34,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:59:34,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2023-11-06 21:59:34,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:59:34,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2023-11-06 21:59:34,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:59:34,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2023-11-06 21:59:34,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:59:34,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2023-11-06 21:59:34,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:59:34,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2023-11-06 21:59:34,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:59:34,143 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2023-11-06 21:59:34,144 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 21:59:34,144 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1488017468] [2023-11-06 21:59:34,146 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1488017468] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 21:59:34,146 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 21:59:34,146 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-06 21:59:34,148 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [274857728] [2023-11-06 21:59:34,149 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 21:59:34,154 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-06 21:59:34,154 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 21:59:34,181 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-06 21:59:34,181 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-06 21:59:34,184 INFO L87 Difference]: Start difference. First operand has 46 states, 29 states have (on average 1.3103448275862069) internal successors, (38), 30 states have internal predecessors, (38), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) Second operand has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 2 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 2 states have call successors, (14) [2023-11-06 21:59:34,210 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 21:59:34,211 INFO L93 Difference]: Finished difference Result 85 states and 140 transitions. [2023-11-06 21:59:34,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-06 21:59:34,213 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 2 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 2 states have call successors, (14) Word has length 91 [2023-11-06 21:59:34,214 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 21:59:34,222 INFO L225 Difference]: With dead ends: 85 [2023-11-06 21:59:34,222 INFO L226 Difference]: Without dead ends: 42 [2023-11-06 21:59:34,226 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 44 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 21:59:34,230 INFO L413 NwaCegarLoop]: 59 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, 59 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 21:59:34,231 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 59 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 21:59:34,250 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states. [2023-11-06 21:59:34,277 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 42. [2023-11-06 21:59:34,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 42 states, 26 states have (on average 1.1923076923076923) internal successors, (31), 26 states have internal predecessors, (31), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2023-11-06 21:59:34,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 59 transitions. [2023-11-06 21:59:34,282 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 59 transitions. Word has length 91 [2023-11-06 21:59:34,282 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 21:59:34,283 INFO L495 AbstractCegarLoop]: Abstraction has 42 states and 59 transitions. [2023-11-06 21:59:34,283 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 2 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 2 states have call successors, (14) [2023-11-06 21:59:34,283 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 59 transitions. [2023-11-06 21:59:34,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2023-11-06 21:59:34,288 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 21:59:34,289 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:59:34,289 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-06 21:59:34,289 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 21:59:34,290 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 21:59:34,290 INFO L85 PathProgramCache]: Analyzing trace with hash 1958631132, now seen corresponding path program 1 times [2023-11-06 21:59:34,290 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 21:59:34,291 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1171120057] [2023-11-06 21:59:34,291 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 21:59:34,291 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 21:59:34,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 21:59:34,401 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-06 21:59:34,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 21:59:34,567 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-06 21:59:34,567 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-06 21:59:34,570 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-06 21:59:34,572 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-06 21:59:34,576 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2023-11-06 21:59:34,579 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-06 21:59:34,676 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.11 09:59:34 BoogieIcfgContainer [2023-11-06 21:59:34,676 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-06 21:59:34,676 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-06 21:59:34,677 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-06 21:59:34,677 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-06 21:59:34,677 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 09:59:33" (3/4) ... [2023-11-06 21:59:34,679 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-06 21:59:34,686 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-06 21:59:34,687 INFO L158 Benchmark]: Toolchain (without parser) took 2290.89ms. Allocated memory is still 165.7MB. Free memory was 132.2MB in the beginning and 73.1MB in the end (delta: 59.1MB). Peak memory consumption was 58.3MB. Max. memory is 16.1GB. [2023-11-06 21:59:34,688 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 119.5MB. Free memory is still 92.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 21:59:34,690 INFO L158 Benchmark]: CACSL2BoogieTranslator took 340.83ms. Allocated memory is still 165.7MB. Free memory was 132.2MB in the beginning and 119.7MB in the end (delta: 12.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-06 21:59:34,696 INFO L158 Benchmark]: Boogie Procedure Inliner took 57.78ms. Allocated memory is still 165.7MB. Free memory was 119.7MB in the beginning and 118.2MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-06 21:59:34,697 INFO L158 Benchmark]: Boogie Preprocessor took 37.09ms. Allocated memory is still 165.7MB. Free memory was 118.2MB in the beginning and 116.8MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-06 21:59:34,697 INFO L158 Benchmark]: RCFGBuilder took 643.24ms. Allocated memory is still 165.7MB. Free memory was 116.8MB in the beginning and 124.8MB in the end (delta: -8.0MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-06 21:59:34,698 INFO L158 Benchmark]: TraceAbstraction took 1193.87ms. Allocated memory is still 165.7MB. Free memory was 124.1MB in the beginning and 73.1MB in the end (delta: 51.0MB). Peak memory consumption was 52.4MB. Max. memory is 16.1GB. [2023-11-06 21:59:34,699 INFO L158 Benchmark]: Witness Printer took 10.09ms. Allocated memory is still 165.7MB. Free memory is still 73.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 21:59:34,708 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 119.5MB. Free memory is still 92.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 340.83ms. Allocated memory is still 165.7MB. Free memory was 132.2MB in the beginning and 119.7MB in the end (delta: 12.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 57.78ms. Allocated memory is still 165.7MB. Free memory was 119.7MB in the beginning and 118.2MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 37.09ms. Allocated memory is still 165.7MB. Free memory was 118.2MB in the beginning and 116.8MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 643.24ms. Allocated memory is still 165.7MB. Free memory was 116.8MB in the beginning and 124.8MB in the end (delta: -8.0MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * TraceAbstraction took 1193.87ms. Allocated memory is still 165.7MB. Free memory was 124.1MB in the beginning and 73.1MB in the end (delta: 51.0MB). Peak memory consumption was 52.4MB. Max. memory is 16.1GB. * Witness Printer took 10.09ms. Allocated memory is still 165.7MB. Free memory is still 73.1MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 87. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed char var_1_1 = 32; [L23] signed char var_1_2 = -128; [L24] unsigned char var_1_3 = 1; [L25] signed char var_1_4 = -5; [L26] unsigned char var_1_5 = 16; [L27] unsigned char var_1_9 = 25; [L28] float var_1_10 = 2.5; [L29] signed char var_1_11 = 1; [L30] signed char var_1_12 = 4; [L31] float var_1_13 = 7.75; [L32] float var_1_14 = 64.75; [L33] float var_1_15 = 256.52; [L34] float var_1_16 = 3.25; VAL [isInitial=0, var_1_10=5/2, var_1_11=1, var_1_12=4, var_1_13=31/4, var_1_14=259/4, var_1_15=6413/25, var_1_16=13/4, var_1_1=32, var_1_2=-128, var_1_3=1, var_1_4=-5, var_1_5=16, var_1_9=25] [L91] isInitial = 1 [L92] FCALL initially() [L93] COND TRUE 1 [L94] FCALL updateLastVariables() [L95] CALL updateVariables() [L60] var_1_3 = __VERIFIER_nondet_uchar() [L61] CALL assume_abort_if_not(var_1_3 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=5/2, var_1_11=1, var_1_12=4, var_1_13=31/4, var_1_14=259/4, var_1_15=6413/25, var_1_16=13/4, var_1_1=32, var_1_2=-128, var_1_4=-5, var_1_5=16, var_1_9=25] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=5/2, var_1_11=1, var_1_12=4, var_1_13=31/4, var_1_14=259/4, var_1_15=6413/25, var_1_16=13/4, var_1_1=32, var_1_2=-128, var_1_4=-5, var_1_5=16, var_1_9=25] [L61] RET assume_abort_if_not(var_1_3 >= 0) VAL [isInitial=1, var_1_10=5/2, var_1_11=1, var_1_12=4, var_1_13=31/4, var_1_14=259/4, var_1_15=6413/25, var_1_16=13/4, var_1_1=32, var_1_2=-128, var_1_4=-5, var_1_5=16, var_1_9=25] [L62] CALL assume_abort_if_not(var_1_3 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=5/2, var_1_11=1, var_1_12=4, var_1_13=31/4, var_1_14=259/4, var_1_15=6413/25, var_1_16=13/4, var_1_1=32, var_1_2=-128, var_1_3=1, var_1_4=-5, var_1_5=16, var_1_9=25] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=5/2, var_1_11=1, var_1_12=4, var_1_13=31/4, var_1_14=259/4, var_1_15=6413/25, var_1_16=13/4, var_1_1=32, var_1_2=-128, var_1_3=1, var_1_4=-5, var_1_5=16, var_1_9=25] [L62] RET assume_abort_if_not(var_1_3 <= 1) VAL [isInitial=1, var_1_10=5/2, var_1_11=1, var_1_12=4, var_1_13=31/4, var_1_14=259/4, var_1_15=6413/25, var_1_16=13/4, var_1_1=32, var_1_2=-128, var_1_3=1, var_1_4=-5, var_1_5=16, var_1_9=25] [L63] var_1_4 = __VERIFIER_nondet_char() [L64] CALL assume_abort_if_not(var_1_4 >= -126) VAL [\old(cond)=1, isInitial=1, var_1_10=5/2, var_1_11=1, var_1_12=4, var_1_13=31/4, var_1_14=259/4, var_1_15=6413/25, var_1_16=13/4, var_1_1=32, var_1_2=-128, var_1_3=1, var_1_4=0, var_1_5=16, var_1_9=25] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=5/2, var_1_11=1, var_1_12=4, var_1_13=31/4, var_1_14=259/4, var_1_15=6413/25, var_1_16=13/4, var_1_1=32, var_1_2=-128, var_1_3=1, var_1_4=0, var_1_5=16, var_1_9=25] [L64] RET assume_abort_if_not(var_1_4 >= -126) VAL [isInitial=1, var_1_10=5/2, var_1_11=1, var_1_12=4, var_1_13=31/4, var_1_14=259/4, var_1_15=6413/25, var_1_16=13/4, var_1_1=32, var_1_2=-128, var_1_3=1, var_1_4=0, var_1_5=16, var_1_9=25] [L65] CALL assume_abort_if_not(var_1_4 <= 126) VAL [\old(cond)=1, isInitial=1, var_1_10=5/2, var_1_11=1, var_1_12=4, var_1_13=31/4, var_1_14=259/4, var_1_15=6413/25, var_1_16=13/4, var_1_1=32, var_1_2=-128, var_1_3=1, var_1_4=0, var_1_5=16, var_1_9=25] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=5/2, var_1_11=1, var_1_12=4, var_1_13=31/4, var_1_14=259/4, var_1_15=6413/25, var_1_16=13/4, var_1_1=32, var_1_2=-128, var_1_3=1, var_1_4=0, var_1_5=16, var_1_9=25] [L65] RET assume_abort_if_not(var_1_4 <= 126) VAL [isInitial=1, var_1_10=5/2, var_1_11=1, var_1_12=4, var_1_13=31/4, var_1_14=259/4, var_1_15=6413/25, var_1_16=13/4, var_1_1=32, var_1_2=-128, var_1_3=1, var_1_4=0, var_1_5=16, var_1_9=25] [L66] var_1_9 = __VERIFIER_nondet_uchar() [L67] CALL assume_abort_if_not(var_1_9 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=5/2, var_1_11=1, var_1_12=4, var_1_13=31/4, var_1_14=259/4, var_1_15=6413/25, var_1_16=13/4, var_1_1=32, var_1_2=-128, var_1_3=1, var_1_4=0, var_1_5=16, var_1_9=254] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=5/2, var_1_11=1, var_1_12=4, var_1_13=31/4, var_1_14=259/4, var_1_15=6413/25, var_1_16=13/4, var_1_1=32, var_1_2=-128, var_1_3=1, var_1_4=0, var_1_5=16, var_1_9=254] [L67] RET assume_abort_if_not(var_1_9 >= 0) VAL [isInitial=1, var_1_10=5/2, var_1_11=1, var_1_12=4, var_1_13=31/4, var_1_14=259/4, var_1_15=6413/25, var_1_16=13/4, var_1_1=32, var_1_2=-128, var_1_3=1, var_1_4=0, var_1_5=16, var_1_9=254] [L68] CALL assume_abort_if_not(var_1_9 <= 254) VAL [\old(cond)=1, isInitial=1, var_1_10=5/2, var_1_11=1, var_1_12=4, var_1_13=31/4, var_1_14=259/4, var_1_15=6413/25, var_1_16=13/4, var_1_1=32, var_1_2=-128, var_1_3=1, var_1_4=0, var_1_5=16, var_1_9=254] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=5/2, var_1_11=1, var_1_12=4, var_1_13=31/4, var_1_14=259/4, var_1_15=6413/25, var_1_16=13/4, var_1_1=32, var_1_2=-128, var_1_3=1, var_1_4=0, var_1_5=16, var_1_9=254] [L68] RET assume_abort_if_not(var_1_9 <= 254) VAL [isInitial=1, var_1_10=5/2, var_1_11=1, var_1_12=4, var_1_13=31/4, var_1_14=259/4, var_1_15=6413/25, var_1_16=13/4, var_1_1=32, var_1_2=-128, var_1_3=1, var_1_4=0, var_1_5=16, var_1_9=254] [L69] var_1_11 = __VERIFIER_nondet_char() [L70] CALL assume_abort_if_not(var_1_11 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=5/2, var_1_11=0, var_1_12=4, var_1_13=31/4, var_1_14=259/4, var_1_15=6413/25, var_1_16=13/4, var_1_1=32, var_1_2=-128, var_1_3=1, var_1_4=0, var_1_5=16, var_1_9=254] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=5/2, var_1_11=0, var_1_12=4, var_1_13=31/4, var_1_14=259/4, var_1_15=6413/25, var_1_16=13/4, var_1_1=32, var_1_2=-128, var_1_3=1, var_1_4=0, var_1_5=16, var_1_9=254] [L70] RET assume_abort_if_not(var_1_11 >= 0) VAL [isInitial=1, var_1_10=5/2, var_1_11=0, var_1_12=4, var_1_13=31/4, var_1_14=259/4, var_1_15=6413/25, var_1_16=13/4, var_1_1=32, var_1_2=-128, var_1_3=1, var_1_4=0, var_1_5=16, var_1_9=254] [L71] CALL assume_abort_if_not(var_1_11 <= 63) VAL [\old(cond)=1, isInitial=1, var_1_10=5/2, var_1_11=0, var_1_12=4, var_1_13=31/4, var_1_14=259/4, var_1_15=6413/25, var_1_16=13/4, var_1_1=32, var_1_2=-128, var_1_3=1, var_1_4=0, var_1_5=16, var_1_9=254] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=5/2, var_1_11=0, var_1_12=4, var_1_13=31/4, var_1_14=259/4, var_1_15=6413/25, var_1_16=13/4, var_1_1=32, var_1_2=-128, var_1_3=1, var_1_4=0, var_1_5=16, var_1_9=254] [L71] RET assume_abort_if_not(var_1_11 <= 63) VAL [isInitial=1, var_1_10=5/2, var_1_11=0, var_1_12=4, var_1_13=31/4, var_1_14=259/4, var_1_15=6413/25, var_1_16=13/4, var_1_1=32, var_1_2=-128, var_1_3=1, var_1_4=0, var_1_5=16, var_1_9=254] [L72] var_1_12 = __VERIFIER_nondet_char() [L73] CALL assume_abort_if_not(var_1_12 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=5/2, var_1_11=0, var_1_12=16, var_1_13=31/4, var_1_14=259/4, var_1_15=6413/25, var_1_16=13/4, var_1_1=32, var_1_2=-128, var_1_3=1, var_1_4=0, var_1_5=16, var_1_9=254] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=5/2, var_1_11=0, var_1_12=16, var_1_13=31/4, var_1_14=259/4, var_1_15=6413/25, var_1_16=13/4, var_1_1=32, var_1_2=-128, var_1_3=1, var_1_4=0, var_1_5=16, var_1_9=254] [L73] RET assume_abort_if_not(var_1_12 >= 0) VAL [isInitial=1, var_1_10=5/2, var_1_11=0, var_1_12=16, var_1_13=31/4, var_1_14=259/4, var_1_15=6413/25, var_1_16=13/4, var_1_1=32, var_1_2=-128, var_1_3=1, var_1_4=0, var_1_5=16, var_1_9=254] [L74] CALL assume_abort_if_not(var_1_12 <= 127) VAL [\old(cond)=1, isInitial=1, var_1_10=5/2, var_1_11=0, var_1_12=16, var_1_13=31/4, var_1_14=259/4, var_1_15=6413/25, var_1_16=13/4, var_1_1=32, var_1_2=-128, var_1_3=1, var_1_4=0, var_1_5=16, var_1_9=254] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=5/2, var_1_11=0, var_1_12=16, var_1_13=31/4, var_1_14=259/4, var_1_15=6413/25, var_1_16=13/4, var_1_1=32, var_1_2=-128, var_1_3=1, var_1_4=0, var_1_5=16, var_1_9=254] [L74] RET assume_abort_if_not(var_1_12 <= 127) VAL [isInitial=1, var_1_10=5/2, var_1_11=0, var_1_12=16, var_1_13=31/4, var_1_14=259/4, var_1_15=6413/25, var_1_16=13/4, var_1_1=32, var_1_2=-128, var_1_3=1, var_1_4=0, var_1_5=16, var_1_9=254] [L75] var_1_13 = __VERIFIER_nondet_float() [L76] CALL assume_abort_if_not((var_1_13 >= -230584.3009213691390e+13F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 2305843.009213691390e+12F && var_1_13 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=5/2, var_1_11=0, var_1_12=16, var_1_13=263, var_1_14=259/4, var_1_15=6413/25, var_1_16=13/4, var_1_1=32, var_1_2=-128, var_1_3=1, var_1_4=0, var_1_5=16, var_1_9=254] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=5/2, var_1_11=0, var_1_12=16, var_1_13=263, var_1_14=259/4, var_1_15=6413/25, var_1_16=13/4, var_1_1=32, var_1_2=-128, var_1_3=1, var_1_4=0, var_1_5=16, var_1_9=254] [L76] RET assume_abort_if_not((var_1_13 >= -230584.3009213691390e+13F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 2305843.009213691390e+12F && var_1_13 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=5/2, var_1_11=0, var_1_12=16, var_1_13=263, var_1_14=259/4, var_1_15=6413/25, var_1_16=13/4, var_1_1=32, var_1_2=-128, var_1_3=1, var_1_4=0, var_1_5=16, var_1_9=254] [L77] var_1_14 = __VERIFIER_nondet_float() [L78] CALL assume_abort_if_not((var_1_14 >= -461168.6018427382800e+13F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 4611686.018427382800e+12F && var_1_14 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=5/2, var_1_11=0, var_1_12=16, var_1_13=263, var_1_14=264, var_1_15=6413/25, var_1_16=13/4, var_1_1=32, var_1_2=-128, var_1_3=1, var_1_4=0, var_1_5=16, var_1_9=254] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=5/2, var_1_11=0, var_1_12=16, var_1_13=263, var_1_14=264, var_1_15=6413/25, var_1_16=13/4, var_1_1=32, var_1_2=-128, var_1_3=1, var_1_4=0, var_1_5=16, var_1_9=254] [L78] RET assume_abort_if_not((var_1_14 >= -461168.6018427382800e+13F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 4611686.018427382800e+12F && var_1_14 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=5/2, var_1_11=0, var_1_12=16, var_1_13=263, var_1_14=264, var_1_15=6413/25, var_1_16=13/4, var_1_1=32, var_1_2=-128, var_1_3=1, var_1_4=0, var_1_5=16, var_1_9=254] [L79] var_1_15 = __VERIFIER_nondet_float() [L80] CALL assume_abort_if_not((var_1_15 >= 0.0F && var_1_15 <= -1.0e-20F) || (var_1_15 <= 9223372.036854765600e+12F && var_1_15 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=5/2, var_1_11=0, var_1_12=16, var_1_13=263, var_1_14=264, var_1_15=262, var_1_16=13/4, var_1_1=32, var_1_2=-128, var_1_3=1, var_1_4=0, var_1_5=16, var_1_9=254] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=5/2, var_1_11=0, var_1_12=16, var_1_13=263, var_1_14=264, var_1_15=262, var_1_16=13/4, var_1_1=32, var_1_2=-128, var_1_3=1, var_1_4=0, var_1_5=16, var_1_9=254] [L80] RET assume_abort_if_not((var_1_15 >= 0.0F && var_1_15 <= -1.0e-20F) || (var_1_15 <= 9223372.036854765600e+12F && var_1_15 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=5/2, var_1_11=0, var_1_12=16, var_1_13=263, var_1_14=264, var_1_15=262, var_1_16=13/4, var_1_1=32, var_1_2=-128, var_1_3=1, var_1_4=0, var_1_5=16, var_1_9=254] [L81] var_1_16 = __VERIFIER_nondet_float() [L82] CALL assume_abort_if_not((var_1_16 >= 0.0F && var_1_16 <= -1.0e-20F) || (var_1_16 <= 9223372.036854765600e+12F && var_1_16 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=5/2, var_1_11=0, var_1_12=16, var_1_13=263, var_1_14=264, var_1_15=262, var_1_16=261, var_1_1=32, var_1_2=-128, var_1_3=1, var_1_4=0, var_1_5=16, var_1_9=254] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=5/2, var_1_11=0, var_1_12=16, var_1_13=263, var_1_14=264, var_1_15=262, var_1_16=261, var_1_1=32, var_1_2=-128, var_1_3=1, var_1_4=0, var_1_5=16, var_1_9=254] [L82] RET assume_abort_if_not((var_1_16 >= 0.0F && var_1_16 <= -1.0e-20F) || (var_1_16 <= 9223372.036854765600e+12F && var_1_16 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=5/2, var_1_11=0, var_1_12=16, var_1_13=263, var_1_14=264, var_1_15=262, var_1_16=261, var_1_1=32, var_1_2=-128, var_1_3=1, var_1_4=0, var_1_5=16, var_1_9=254] [L95] RET updateVariables() [L96] CALL step() [L38] var_1_1 = (16 - 2) VAL [isInitial=1, var_1_10=5/2, var_1_11=0, var_1_12=16, var_1_13=263, var_1_14=264, var_1_15=262, var_1_16=261, var_1_1=14, var_1_2=-128, var_1_3=1, var_1_4=0, var_1_5=16, var_1_9=254] [L39] COND TRUE \read(var_1_3) [L40] var_1_2 = ((((-4) < 0 ) ? -(-4) : (-4))) VAL [isInitial=1, var_1_10=5/2, var_1_11=0, var_1_12=16, var_1_13=263, var_1_14=264, var_1_15=262, var_1_16=261, var_1_1=14, var_1_2=4, var_1_3=1, var_1_4=0, var_1_5=16, var_1_9=254] [L44] COND FALSE !(var_1_4 < ((16 + var_1_11) - var_1_12)) [L51] var_1_10 = var_1_14 VAL [isInitial=1, var_1_10=264, var_1_11=0, var_1_12=16, var_1_13=263, var_1_14=264, var_1_15=262, var_1_16=261, var_1_1=14, var_1_2=4, var_1_3=1, var_1_4=0, var_1_5=16, var_1_9=254] [L53] COND TRUE (var_1_10 * var_1_10) > var_1_10 [L54] var_1_5 = (((((25) < (5)) ? (25) : (5))) + 10) VAL [isInitial=1, var_1_10=264, var_1_11=0, var_1_12=16, var_1_13=263, var_1_14=264, var_1_15=262, var_1_16=261, var_1_1=14, var_1_2=4, var_1_3=1, var_1_4=0, var_1_5=15, var_1_9=254] [L96] RET step() [L97] CALL, EXPR property() [L87-L88] return (((var_1_1 == ((signed char) (16 - 2))) && (var_1_3 ? (var_1_2 == ((signed char) ((((-4) < 0 ) ? -(-4) : (-4))))) : (var_1_2 == ((signed char) ((((var_1_4) < 0 ) ? -(var_1_4) : (var_1_4))))))) && (((var_1_10 * var_1_10) > var_1_10) ? (var_1_5 == ((unsigned char) (((((25) < (5)) ? (25) : (5))) + 10))) : (var_1_5 == ((unsigned char) var_1_9)))) && ((var_1_4 < ((16 + var_1_11) - var_1_12)) ? (var_1_3 ? (var_1_10 == ((float) ((var_1_13 + 50.6f) + var_1_14))) : (var_1_10 == ((float) (var_1_15 - var_1_16)))) : (var_1_10 == ((float) var_1_14))) ; VAL [\result=0, isInitial=1, var_1_10=264, var_1_11=0, var_1_12=16, var_1_13=263, var_1_14=264, var_1_15=262, var_1_16=261, var_1_1=14, var_1_2=4, var_1_3=1, var_1_4=0, var_1_5=15, var_1_9=254] [L97] RET, EXPR property() [L97] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, var_1_10=264, var_1_11=0, var_1_12=16, var_1_13=263, var_1_14=264, var_1_15=262, var_1_16=261, var_1_1=14, var_1_2=4, var_1_3=1, var_1_4=0, var_1_5=15, var_1_9=254] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, var_1_10=264, var_1_11=0, var_1_12=16, var_1_13=263, var_1_14=264, var_1_15=262, var_1_16=261, var_1_1=14, var_1_2=4, var_1_3=1, var_1_4=0, var_1_5=15, var_1_9=254] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 46 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.0s, OverallIterations: 2, TraceHistogramMax: 14, 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, 59 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, 59 mSDtfsCounter, 0 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 44 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=46occurred 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, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 182 NumberOfCodeBlocks, 182 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 90 ConstructedInterpolants, 0 QuantifiedInterpolants, 90 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 364/364 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 21:59:34,729 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d6117cf-bae9-4c48-99a0-b20fb9064e64/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d6117cf-bae9-4c48-99a0-b20fb9064e64/bin/uautomizer-verify-WvqO1wxjHP/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d6117cf-bae9-4c48-99a0-b20fb9064e64/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_1d6117cf-bae9-4c48-99a0-b20fb9064e64/bin/uautomizer-verify-WvqO1wxjHP/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d6117cf-bae9-4c48-99a0-b20fb9064e64/bin/uautomizer-verify-WvqO1wxjHP/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-62.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d6117cf-bae9-4c48-99a0-b20fb9064e64/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_1d6117cf-bae9-4c48-99a0-b20fb9064e64/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 6fce1457242a9805f1dea2d31ffb0214a33eeb8d294031dc95b23932416bce93 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-e7bb482 [2023-11-06 21:59:37,409 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-06 21:59:37,483 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d6117cf-bae9-4c48-99a0-b20fb9064e64/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-11-06 21:59:37,490 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-06 21:59:37,490 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-06 21:59:37,520 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-06 21:59:37,522 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-06 21:59:37,522 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-06 21:59:37,523 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-06 21:59:37,524 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-06 21:59:37,525 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-06 21:59:37,525 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-06 21:59:37,526 INFO L153 SettingsManager]: * Use SBE=true [2023-11-06 21:59:37,527 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-06 21:59:37,528 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-06 21:59:37,528 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-06 21:59:37,529 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-06 21:59:37,530 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-06 21:59:37,530 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-06 21:59:37,531 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-06 21:59:37,532 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-06 21:59:37,533 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-06 21:59:37,533 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-06 21:59:37,534 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-06 21:59:37,535 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-06 21:59:37,535 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-06 21:59:37,536 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-06 21:59:37,536 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-06 21:59:37,537 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-06 21:59:37,538 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-06 21:59:37,538 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 21:59:37,539 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-06 21:59:37,539 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-06 21:59:37,540 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-11-06 21:59:37,540 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-06 21:59:37,540 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-06 21:59:37,541 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-06 21:59:37,541 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-06 21:59:37,541 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-06 21:59:37,542 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-06 21:59:37,542 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-06 21:59:37,543 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-06 21:59:37,543 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_1d6117cf-bae9-4c48-99a0-b20fb9064e64/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d6117cf-bae9-4c48-99a0-b20fb9064e64/bin/uautomizer-verify-WvqO1wxjHP Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6fce1457242a9805f1dea2d31ffb0214a33eeb8d294031dc95b23932416bce93 [2023-11-06 21:59:37,989 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-06 21:59:38,016 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-06 21:59:38,021 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-06 21:59:38,023 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-06 21:59:38,023 INFO L274 PluginConnector]: CDTParser initialized [2023-11-06 21:59:38,025 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d6117cf-bae9-4c48-99a0-b20fb9064e64/bin/uautomizer-verify-WvqO1wxjHP/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-62.i [2023-11-06 21:59:41,238 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-06 21:59:41,538 INFO L384 CDTParser]: Found 1 translation units. [2023-11-06 21:59:41,539 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d6117cf-bae9-4c48-99a0-b20fb9064e64/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-62.i [2023-11-06 21:59:41,548 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d6117cf-bae9-4c48-99a0-b20fb9064e64/bin/uautomizer-verify-WvqO1wxjHP/data/2a2fd4e3e/d5a3b87744d74479907580993c77fdd9/FLAG2eacb1913 [2023-11-06 21:59:41,567 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d6117cf-bae9-4c48-99a0-b20fb9064e64/bin/uautomizer-verify-WvqO1wxjHP/data/2a2fd4e3e/d5a3b87744d74479907580993c77fdd9 [2023-11-06 21:59:41,571 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-06 21:59:41,573 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-06 21:59:41,575 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-06 21:59:41,575 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-06 21:59:41,580 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-06 21:59:41,581 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 09:59:41" (1/1) ... [2023-11-06 21:59:41,582 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4615ceb3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:59:41, skipping insertion in model container [2023-11-06 21:59:41,583 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 09:59:41" (1/1) ... [2023-11-06 21:59:41,609 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 21:59:41,763 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_1d6117cf-bae9-4c48-99a0-b20fb9064e64/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-62.i[915,928] [2023-11-06 21:59:41,808 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 21:59:41,826 INFO L202 MainTranslator]: Completed pre-run [2023-11-06 21:59:41,840 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_1d6117cf-bae9-4c48-99a0-b20fb9064e64/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-62.i[915,928] [2023-11-06 21:59:41,861 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 21:59:41,880 INFO L206 MainTranslator]: Completed translation [2023-11-06 21:59:41,881 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:59:41 WrapperNode [2023-11-06 21:59:41,881 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-06 21:59:41,883 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-06 21:59:41,883 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-06 21:59:41,883 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-06 21:59:41,891 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:59:41" (1/1) ... [2023-11-06 21:59:41,903 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:59:41" (1/1) ... [2023-11-06 21:59:41,930 INFO L138 Inliner]: procedures = 27, calls = 27, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 100 [2023-11-06 21:59:41,931 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-06 21:59:41,932 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-06 21:59:41,932 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-06 21:59:41,932 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-06 21:59:41,942 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:59:41" (1/1) ... [2023-11-06 21:59:41,942 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:59:41" (1/1) ... [2023-11-06 21:59:41,946 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:59:41" (1/1) ... [2023-11-06 21:59:41,947 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:59:41" (1/1) ... [2023-11-06 21:59:41,956 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:59:41" (1/1) ... [2023-11-06 21:59:41,959 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:59:41" (1/1) ... [2023-11-06 21:59:41,962 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:59:41" (1/1) ... [2023-11-06 21:59:41,964 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:59:41" (1/1) ... [2023-11-06 21:59:41,968 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-06 21:59:41,969 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-06 21:59:41,969 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-06 21:59:41,970 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-06 21:59:41,970 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:59:41" (1/1) ... [2023-11-06 21:59:41,983 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 21:59:42,017 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d6117cf-bae9-4c48-99a0-b20fb9064e64/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 21:59:42,030 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d6117cf-bae9-4c48-99a0-b20fb9064e64/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-06 21:59:42,053 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d6117cf-bae9-4c48-99a0-b20fb9064e64/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-06 21:59:42,096 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-06 21:59:42,097 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-06 21:59:42,097 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-06 21:59:42,097 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-06 21:59:42,097 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-06 21:59:42,097 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-06 21:59:42,230 INFO L236 CfgBuilder]: Building ICFG [2023-11-06 21:59:42,232 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-06 21:59:43,887 INFO L277 CfgBuilder]: Performing block encoding [2023-11-06 21:59:43,902 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-06 21:59:43,902 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-06 21:59:43,904 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 09:59:43 BoogieIcfgContainer [2023-11-06 21:59:43,904 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-06 21:59:43,906 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-06 21:59:43,906 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-06 21:59:43,910 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-06 21:59:43,910 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 09:59:41" (1/3) ... [2023-11-06 21:59:43,911 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e66c455 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 09:59:43, skipping insertion in model container [2023-11-06 21:59:43,911 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:59:41" (2/3) ... [2023-11-06 21:59:43,912 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e66c455 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 09:59:43, skipping insertion in model container [2023-11-06 21:59:43,912 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 09:59:43" (3/3) ... [2023-11-06 21:59:43,913 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_25-while_file-62.i [2023-11-06 21:59:43,933 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-06 21:59:43,933 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-06 21:59:44,003 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-06 21:59:44,011 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;@4e55edcc, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-06 21:59:44,012 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-06 21:59:44,018 INFO L276 IsEmpty]: Start isEmpty. Operand has 46 states, 29 states have (on average 1.3103448275862069) internal successors, (38), 30 states have internal predecessors, (38), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2023-11-06 21:59:44,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2023-11-06 21:59:44,032 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 21:59:44,033 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:59:44,036 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 21:59:44,043 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 21:59:44,044 INFO L85 PathProgramCache]: Analyzing trace with hash 1942112404, now seen corresponding path program 1 times [2023-11-06 21:59:44,062 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-06 21:59:44,062 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1458886092] [2023-11-06 21:59:44,063 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 21:59:44,063 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 21:59:44,063 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d6117cf-bae9-4c48-99a0-b20fb9064e64/bin/uautomizer-verify-WvqO1wxjHP/mathsat [2023-11-06 21:59:44,069 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d6117cf-bae9-4c48-99a0-b20fb9064e64/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 21:59:44,081 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d6117cf-bae9-4c48-99a0-b20fb9064e64/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 21:59:44,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:59:44,502 INFO L262 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-06 21:59:44,510 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 21:59:44,578 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 170 proven. 0 refuted. 0 times theorem prover too weak. 194 trivial. 0 not checked. [2023-11-06 21:59:44,578 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 21:59:44,579 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-06 21:59:44,579 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1458886092] [2023-11-06 21:59:44,580 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1458886092] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 21:59:44,580 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 21:59:44,580 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-06 21:59:44,582 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [120409076] [2023-11-06 21:59:44,583 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 21:59:44,588 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-06 21:59:44,589 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-06 21:59:44,636 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-06 21:59:44,636 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-06 21:59:44,639 INFO L87 Difference]: Start difference. First operand has 46 states, 29 states have (on average 1.3103448275862069) internal successors, (38), 30 states have internal predecessors, (38), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) Second operand has 2 states, 2 states have (on average 14.0) internal successors, (28), 2 states have internal predecessors, (28), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2023-11-06 21:59:44,678 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 21:59:44,679 INFO L93 Difference]: Finished difference Result 85 states and 140 transitions. [2023-11-06 21:59:44,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-06 21:59:44,681 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 14.0) internal successors, (28), 2 states have internal predecessors, (28), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 91 [2023-11-06 21:59:44,681 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 21:59:44,689 INFO L225 Difference]: With dead ends: 85 [2023-11-06 21:59:44,689 INFO L226 Difference]: Without dead ends: 42 [2023-11-06 21:59:44,692 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 90 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 21:59:44,696 INFO L413 NwaCegarLoop]: 59 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, 59 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 21:59:44,697 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 59 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 21:59:44,713 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states. [2023-11-06 21:59:44,732 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 42. [2023-11-06 21:59:44,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 42 states, 26 states have (on average 1.1923076923076923) internal successors, (31), 26 states have internal predecessors, (31), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2023-11-06 21:59:44,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 59 transitions. [2023-11-06 21:59:44,736 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 59 transitions. Word has length 91 [2023-11-06 21:59:44,737 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 21:59:44,737 INFO L495 AbstractCegarLoop]: Abstraction has 42 states and 59 transitions. [2023-11-06 21:59:44,737 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 14.0) internal successors, (28), 2 states have internal predecessors, (28), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2023-11-06 21:59:44,737 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 59 transitions. [2023-11-06 21:59:44,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2023-11-06 21:59:44,742 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 21:59:44,743 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:59:44,764 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d6117cf-bae9-4c48-99a0-b20fb9064e64/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 21:59:44,958 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d6117cf-bae9-4c48-99a0-b20fb9064e64/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 21:59:44,959 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 21:59:44,959 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 21:59:44,960 INFO L85 PathProgramCache]: Analyzing trace with hash 1958631132, now seen corresponding path program 1 times [2023-11-06 21:59:44,960 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-06 21:59:44,961 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2018777246] [2023-11-06 21:59:44,961 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 21:59:44,961 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 21:59:44,961 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d6117cf-bae9-4c48-99a0-b20fb9064e64/bin/uautomizer-verify-WvqO1wxjHP/mathsat [2023-11-06 21:59:44,963 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d6117cf-bae9-4c48-99a0-b20fb9064e64/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 21:59:45,002 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d6117cf-bae9-4c48-99a0-b20fb9064e64/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 21:59:45,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:59:45,277 INFO L262 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 15 conjunts are in the unsatisfiable core [2023-11-06 21:59:45,293 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:00:37,068 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 123 proven. 6 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2023-11-06 22:00:37,068 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-06 22:02:34,026 WARN L861 $PredicateComparison]: unable to prove that (let ((.cse37 ((_ sign_extend 24) c_~var_1_4~0))) (let ((.cse35 ((_ zero_extend 24) c_~var_1_5~0)) (.cse4 (fp.gt (fp.mul c_currentRoundingMode c_~var_1_10~0 c_~var_1_10~0) c_~var_1_10~0)) (.cse22 (bvslt .cse37 (_ bv0 32))) (.cse36 ((_ sign_extend 24) c_~var_1_2~0))) (let ((.cse6 (= c_~var_1_3~0 (_ bv0 8))) (.cse2 (fp.eq c_~var_1_10~0 c_~var_1_14~0)) (.cse23 (= .cse36 ((_ sign_extend 24) ((_ extract 7 0) .cse37)))) (.cse25 (= .cse36 ((_ sign_extend 24) ((_ extract 7 0) (bvneg .cse37))))) (.cse26 (not .cse22)) (.cse18 (bvslt .cse37 (bvadd (bvneg ((_ sign_extend 24) c_~var_1_12~0)) (_ bv16 32) ((_ sign_extend 24) c_~var_1_11~0)))) (.cse1 (= (_ bv14 32) ((_ sign_extend 24) c_~var_1_1~0))) (.cse3 (= (_ bv4 32) .cse36)) (.cse33 (not .cse4)) (.cse34 (forall ((~var_1_9~0 (_ BitVec 8))) (= ((_ zero_extend 24) ~var_1_9~0) .cse35)))) (let ((.cse24 (and .cse1 .cse3 .cse33 .cse34)) (.cse10 (= .cse35 (_ bv15 32))) (.cse5 (not .cse18)) (.cse27 (or (and .cse25 .cse33 .cse34) .cse26)) (.cse28 (or .cse22 (and .cse33 .cse23 .cse34))) (.cse20 (not .cse2)) (.cse30 (or .cse22 (and .cse4 .cse23))) (.cse31 (or (and .cse25 .cse4) .cse26)) (.cse29 (not .cse6))) (let ((.cse12 (forall ((~var_1_15~0 (_ FloatingPoint 8 24)) (~var_1_16~0 (_ FloatingPoint 8 24))) (not (fp.eq c_~var_1_10~0 (fp.sub c_currentRoundingMode ~var_1_15~0 ~var_1_16~0))))) (.cse14 (or (and (or .cse2 (and .cse30 .cse31 .cse18)) (or .cse20 (and .cse30 .cse31))) .cse29)) (.cse13 (or (and (or .cse2 (and .cse1 .cse27 .cse28 .cse18)) (or (let ((.cse32 (and .cse27 .cse28))) (and .cse1 (or .cse5 .cse32) (or .cse32 .cse18))) .cse20)) .cse29)) (.cse0 (or (and .cse1 .cse2 .cse30 .cse5 .cse31) .cse29)) (.cse7 (not .cse10)) (.cse8 (or (and .cse1 .cse2 .cse27 .cse28 .cse5) .cse29)) (.cse11 (forall ((~var_1_15~0 (_ FloatingPoint 8 24)) (~var_1_16~0 (_ FloatingPoint 8 24))) (fp.eq c_~var_1_10~0 (fp.sub c_currentRoundingMode ~var_1_15~0 ~var_1_16~0)))) (.cse15 (or (and (or .cse25 .cse24) (or (not .cse25) .cse24)) .cse26)) (.cse16 (or .cse22 (and (or (not .cse23) .cse24) (or .cse24 .cse23)))) (.cse17 ((_ to_fp 8 24) c_currentRoundingMode (/ 253.0 5.0)))) (and (or (let ((.cse9 (or (and .cse2 .cse15 .cse5 .cse16) .cse6))) (and (or (and (or (and .cse0 (or (and .cse1 .cse2 .cse3 .cse4 .cse5) .cse6)) .cse7) (or (and .cse8 .cse9) .cse10)) .cse11) (or .cse12 (and (or (and .cse13 .cse9) .cse10) (or .cse7 (and .cse1 .cse14 (or (and .cse2 .cse3 .cse4 .cse5) .cse6))))))) (forall ((~var_1_13~0 (_ FloatingPoint 8 24))) (fp.eq c_~var_1_10~0 (fp.add c_currentRoundingMode (fp.add c_currentRoundingMode ~var_1_13~0 .cse17) c_~var_1_14~0)))) (or (let ((.cse19 (or (and (or .cse2 (and .cse15 .cse16 .cse18)) (or .cse20 (let ((.cse21 (and .cse15 .cse16))) (and (or .cse5 .cse21) (or .cse21 .cse18))))) .cse6))) (and (or .cse12 (and (or (and .cse1 .cse14 (or (and .cse3 .cse4 (or .cse2 .cse18)) .cse6)) .cse7) (or (and .cse13 .cse19) .cse10))) (or (and (or (and (or (and (or .cse2 (and .cse1 .cse3 .cse4 .cse18)) (or .cse20 (and .cse1 .cse3 .cse4))) .cse6) .cse0) .cse7) (or (and .cse8 .cse19) .cse10)) .cse11))) (forall ((~var_1_13~0 (_ FloatingPoint 8 24))) (not (fp.eq c_~var_1_10~0 (fp.add c_currentRoundingMode (fp.add c_currentRoundingMode ~var_1_13~0 .cse17) c_~var_1_14~0))))))))))) is different from true [2023-11-06 22:02:51,887 WARN L839 $PredicateComparison]: unable to prove that (or (let ((.cse16 ((_ sign_extend 24) c_~var_1_4~0))) (let ((.cse5 (= c_~var_1_3~0 (_ bv0 8))) (.cse14 ((_ sign_extend 24) c_~var_1_2~0)) (.cse15 (bvslt .cse16 (_ bv0 32))) (.cse9 (fp.eq c_~var_1_10~0 c_~var_1_14~0)) (.cse17 (bvslt .cse16 (bvadd (bvneg ((_ sign_extend 24) c_~var_1_12~0)) (_ bv16 32) ((_ sign_extend 24) c_~var_1_11~0))))) (let ((.cse1 (= (_ bv14 32) ((_ sign_extend 24) c_~var_1_1~0))) (.cse10 (not .cse17)) (.cse4 (or .cse9 .cse17)) (.cse11 (or (= .cse14 ((_ sign_extend 24) ((_ extract 7 0) (bvneg .cse16)))) (not .cse15))) (.cse12 (or .cse15 (= .cse14 ((_ sign_extend 24) ((_ extract 7 0) .cse16))))) (.cse13 (not .cse5))) (let ((.cse0 (forall ((~var_1_15~0 (_ FloatingPoint 8 24)) (~var_1_16~0 (_ FloatingPoint 8 24))) (not (fp.eq c_~var_1_10~0 (fp.sub c_currentRoundingMode ~var_1_15~0 ~var_1_16~0))))) (.cse2 (or (and .cse4 .cse11 .cse12) .cse13)) (.cse6 (forall ((~var_1_15~0 (_ FloatingPoint 8 24)) (~var_1_16~0 (_ FloatingPoint 8 24))) (fp.eq c_~var_1_10~0 (fp.sub c_currentRoundingMode ~var_1_15~0 ~var_1_16~0)))) (.cse3 (= (_ bv4 32) .cse14)) (.cse7 (or (and .cse1 .cse9 .cse10 .cse11 .cse12) .cse13)) (.cse8 ((_ to_fp 8 24) c_currentRoundingMode (/ 253.0 5.0)))) (and (or (and (or .cse0 (and .cse1 .cse2 (or (and .cse3 .cse4) .cse5))) (or .cse6 (and .cse7 (or (and .cse1 .cse3 .cse4) .cse5)))) (forall ((~var_1_13~0 (_ FloatingPoint 8 24))) (not (fp.eq c_~var_1_10~0 (fp.add c_currentRoundingMode (fp.add c_currentRoundingMode ~var_1_13~0 .cse8) c_~var_1_14~0))))) (or (and (or .cse0 (and .cse1 .cse2 (or (and .cse9 .cse3 .cse10) .cse5))) (or .cse6 (and (or (and .cse1 .cse9 .cse3 .cse10) .cse5) .cse7))) (forall ((~var_1_13~0 (_ FloatingPoint 8 24))) (fp.eq c_~var_1_10~0 (fp.add c_currentRoundingMode (fp.add c_currentRoundingMode ~var_1_13~0 .cse8) c_~var_1_14~0))))))))) (not (fp.gt (fp.mul c_currentRoundingMode c_~var_1_10~0 c_~var_1_10~0) c_~var_1_10~0))) is different from false [2023-11-06 22:02:53,914 WARN L861 $PredicateComparison]: unable to prove that (or (let ((.cse16 ((_ sign_extend 24) c_~var_1_4~0))) (let ((.cse5 (= c_~var_1_3~0 (_ bv0 8))) (.cse14 ((_ sign_extend 24) c_~var_1_2~0)) (.cse15 (bvslt .cse16 (_ bv0 32))) (.cse9 (fp.eq c_~var_1_10~0 c_~var_1_14~0)) (.cse17 (bvslt .cse16 (bvadd (bvneg ((_ sign_extend 24) c_~var_1_12~0)) (_ bv16 32) ((_ sign_extend 24) c_~var_1_11~0))))) (let ((.cse1 (= (_ bv14 32) ((_ sign_extend 24) c_~var_1_1~0))) (.cse10 (not .cse17)) (.cse4 (or .cse9 .cse17)) (.cse11 (or (= .cse14 ((_ sign_extend 24) ((_ extract 7 0) (bvneg .cse16)))) (not .cse15))) (.cse12 (or .cse15 (= .cse14 ((_ sign_extend 24) ((_ extract 7 0) .cse16))))) (.cse13 (not .cse5))) (let ((.cse0 (forall ((~var_1_15~0 (_ FloatingPoint 8 24)) (~var_1_16~0 (_ FloatingPoint 8 24))) (not (fp.eq c_~var_1_10~0 (fp.sub c_currentRoundingMode ~var_1_15~0 ~var_1_16~0))))) (.cse2 (or (and .cse4 .cse11 .cse12) .cse13)) (.cse6 (forall ((~var_1_15~0 (_ FloatingPoint 8 24)) (~var_1_16~0 (_ FloatingPoint 8 24))) (fp.eq c_~var_1_10~0 (fp.sub c_currentRoundingMode ~var_1_15~0 ~var_1_16~0)))) (.cse3 (= (_ bv4 32) .cse14)) (.cse7 (or (and .cse1 .cse9 .cse10 .cse11 .cse12) .cse13)) (.cse8 ((_ to_fp 8 24) c_currentRoundingMode (/ 253.0 5.0)))) (and (or (and (or .cse0 (and .cse1 .cse2 (or (and .cse3 .cse4) .cse5))) (or .cse6 (and .cse7 (or (and .cse1 .cse3 .cse4) .cse5)))) (forall ((~var_1_13~0 (_ FloatingPoint 8 24))) (not (fp.eq c_~var_1_10~0 (fp.add c_currentRoundingMode (fp.add c_currentRoundingMode ~var_1_13~0 .cse8) c_~var_1_14~0))))) (or (and (or .cse0 (and .cse1 .cse2 (or (and .cse9 .cse3 .cse10) .cse5))) (or .cse6 (and (or (and .cse1 .cse9 .cse3 .cse10) .cse5) .cse7))) (forall ((~var_1_13~0 (_ FloatingPoint 8 24))) (fp.eq c_~var_1_10~0 (fp.add c_currentRoundingMode (fp.add c_currentRoundingMode ~var_1_13~0 .cse8) c_~var_1_14~0))))))))) (not (fp.gt (fp.mul c_currentRoundingMode c_~var_1_10~0 c_~var_1_10~0) c_~var_1_10~0))) is different from true [2023-11-06 22:03:12,127 WARN L861 $PredicateComparison]: unable to prove that (or (let ((.cse0 ((_ to_fp 8 24) c_currentRoundingMode (/ 253.0 5.0))) (.cse1 (let ((.cse4 (= c_~var_1_3~0 (_ bv0 8))) (.cse9 ((_ sign_extend 24) c_~var_1_2~0))) (let ((.cse3 (= (_ bv4 32) .cse9)) (.cse2 (= (_ bv14 32) ((_ sign_extend 24) c_~var_1_1~0))) (.cse5 (forall ((~var_1_4~0 (_ BitVec 8)) (~var_1_12~0 (_ BitVec 8)) (~var_1_11~0 (_ BitVec 8))) (let ((.cse10 ((_ sign_extend 24) ~var_1_4~0))) (or (= ((_ sign_extend 24) ((_ extract 7 0) .cse10)) .cse9) (bvslt .cse10 (bvadd (_ bv16 32) (bvneg ((_ sign_extend 24) ~var_1_12~0)) ((_ sign_extend 24) ~var_1_11~0))) (bvslt .cse10 (_ bv0 32)))))) (.cse6 (forall ((~var_1_4~0 (_ BitVec 8)) (~var_1_12~0 (_ BitVec 8)) (~var_1_11~0 (_ BitVec 8))) (let ((.cse8 ((_ sign_extend 24) ~var_1_4~0))) (or (not (bvslt .cse8 (_ bv0 32))) (= .cse9 ((_ sign_extend 24) ((_ extract 7 0) (bvneg .cse8)))) (bvslt .cse8 (bvadd (_ bv16 32) (bvneg ((_ sign_extend 24) ~var_1_12~0)) ((_ sign_extend 24) ~var_1_11~0))))))) (.cse7 (not .cse4))) (and (or (and .cse2 (or .cse3 .cse4) (or (and .cse5 .cse6) .cse7)) (forall ((~var_1_15~0 (_ FloatingPoint 8 24)) (~var_1_16~0 (_ FloatingPoint 8 24))) (not (fp.eq c_~var_1_14~0 (fp.sub c_currentRoundingMode ~var_1_15~0 ~var_1_16~0))))) (or (and (or (and .cse2 .cse3) .cse4) (or (and .cse2 .cse5 .cse6) .cse7)) (forall ((~var_1_15~0 (_ FloatingPoint 8 24)) (~var_1_16~0 (_ FloatingPoint 8 24))) (fp.eq c_~var_1_14~0 (fp.sub c_currentRoundingMode ~var_1_15~0 ~var_1_16~0))))))))) (and (or (forall ((~var_1_13~0 (_ FloatingPoint 8 24))) (not (fp.eq c_~var_1_14~0 (fp.add c_currentRoundingMode (fp.add c_currentRoundingMode ~var_1_13~0 .cse0) c_~var_1_14~0)))) .cse1) (or (forall ((~var_1_13~0 (_ FloatingPoint 8 24))) (fp.eq c_~var_1_14~0 (fp.add c_currentRoundingMode (fp.add c_currentRoundingMode ~var_1_13~0 .cse0) c_~var_1_14~0))) .cse1))) (not (fp.gt (fp.mul c_currentRoundingMode c_~var_1_14~0 c_~var_1_14~0) c_~var_1_14~0))) is different from true [2023-11-06 22:03:24,400 WARN L861 $PredicateComparison]: unable to prove that (or (let ((.cse0 ((_ to_fp 8 24) c_currentRoundingMode (/ 253.0 5.0))) (.cse1 (let ((.cse2 (= (_ bv14 32) ((_ sign_extend 24) c_~var_1_1~0)))) (and (or .cse2 (forall ((~var_1_15~0 (_ FloatingPoint 8 24)) (~var_1_16~0 (_ FloatingPoint 8 24))) (fp.eq c_~var_1_14~0 (fp.sub c_currentRoundingMode ~var_1_15~0 ~var_1_16~0)))) (or .cse2 (forall ((~var_1_15~0 (_ FloatingPoint 8 24)) (~var_1_16~0 (_ FloatingPoint 8 24))) (not (fp.eq c_~var_1_14~0 (fp.sub c_currentRoundingMode ~var_1_15~0 ~var_1_16~0))))))))) (and (or (forall ((~var_1_13~0 (_ FloatingPoint 8 24))) (not (fp.eq c_~var_1_14~0 (fp.add c_currentRoundingMode (fp.add c_currentRoundingMode ~var_1_13~0 .cse0) c_~var_1_14~0)))) .cse1) (or (forall ((~var_1_13~0 (_ FloatingPoint 8 24))) (fp.eq c_~var_1_14~0 (fp.add c_currentRoundingMode (fp.add c_currentRoundingMode ~var_1_13~0 .cse0) c_~var_1_14~0))) .cse1))) (not (fp.gt (fp.mul c_currentRoundingMode c_~var_1_14~0 c_~var_1_14~0) c_~var_1_14~0))) is different from true [2023-11-06 22:03:24,544 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2023-11-06 22:03:24,544 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-06 22:03:24,545 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2018777246] [2023-11-06 22:03:24,545 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2018777246] provided 1 perfect and 1 imperfect interpolant sequences [2023-11-06 22:03:24,545 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-06 22:03:24,545 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [11] total 17 [2023-11-06 22:03:24,546 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [780603021] [2023-11-06 22:03:24,546 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:03:24,547 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-06 22:03:24,548 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-06 22:03:24,549 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-06 22:03:24,549 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=124, Unknown=5, NotChecked=100, Total=272 [2023-11-06 22:03:24,550 INFO L87 Difference]: Start difference. First operand 42 states and 59 transitions. Second operand has 8 states, 8 states have (on average 3.0) internal successors, (24), 8 states have internal predecessors, (24), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2023-11-06 22:03:25,894 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.33s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-06 22:03:28,086 WARN L861 $PredicateComparison]: unable to prove that (and (not (= |c_ULTIMATE.start_property_#res#1| (_ bv0 32))) (or (let ((.cse0 ((_ to_fp 8 24) c_currentRoundingMode (/ 253.0 5.0))) (.cse1 (let ((.cse2 (= (_ bv14 32) ((_ sign_extend 24) c_~var_1_1~0)))) (and (or .cse2 (forall ((~var_1_15~0 (_ FloatingPoint 8 24)) (~var_1_16~0 (_ FloatingPoint 8 24))) (fp.eq c_~var_1_14~0 (fp.sub c_currentRoundingMode ~var_1_15~0 ~var_1_16~0)))) (or .cse2 (forall ((~var_1_15~0 (_ FloatingPoint 8 24)) (~var_1_16~0 (_ FloatingPoint 8 24))) (not (fp.eq c_~var_1_14~0 (fp.sub c_currentRoundingMode ~var_1_15~0 ~var_1_16~0))))))))) (and (or (forall ((~var_1_13~0 (_ FloatingPoint 8 24))) (not (fp.eq c_~var_1_14~0 (fp.add c_currentRoundingMode (fp.add c_currentRoundingMode ~var_1_13~0 .cse0) c_~var_1_14~0)))) .cse1) (or (forall ((~var_1_13~0 (_ FloatingPoint 8 24))) (fp.eq c_~var_1_14~0 (fp.add c_currentRoundingMode (fp.add c_currentRoundingMode ~var_1_13~0 .cse0) c_~var_1_14~0))) .cse1))) (not (fp.gt (fp.mul c_currentRoundingMode c_~var_1_14~0 c_~var_1_14~0) c_~var_1_14~0)))) is different from true [2023-11-06 22:03:28,087 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:03:28,087 INFO L93 Difference]: Finished difference Result 76 states and 110 transitions. [2023-11-06 22:03:28,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-11-06 22:03:28,088 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 3.0) internal successors, (24), 8 states have internal predecessors, (24), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 91 [2023-11-06 22:03:28,089 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:03:28,091 INFO L225 Difference]: With dead ends: 76 [2023-11-06 22:03:28,091 INFO L226 Difference]: Without dead ends: 74 [2023-11-06 22:03:28,092 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 182 GetRequests, 165 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 5 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 21.2s TimeCoverageRelationStatistics Valid=49, Invalid=147, Unknown=6, NotChecked=140, Total=342 [2023-11-06 22:03:28,093 INFO L413 NwaCegarLoop]: 98 mSDtfsCounter, 15 mSDsluCounter, 161 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 29 SdHoareTripleChecker+Valid, 259 SdHoareTripleChecker+Invalid, 455 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 447 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2023-11-06 22:03:28,094 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [29 Valid, 259 Invalid, 455 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 7 Invalid, 0 Unknown, 447 Unchecked, 1.4s Time] [2023-11-06 22:03:28,095 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states. [2023-11-06 22:03:28,107 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 47. [2023-11-06 22:03:28,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 47 states, 31 states have (on average 1.2258064516129032) internal successors, (38), 31 states have internal predecessors, (38), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2023-11-06 22:03:28,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 66 transitions. [2023-11-06 22:03:28,109 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 66 transitions. Word has length 91 [2023-11-06 22:03:28,110 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:03:28,111 INFO L495 AbstractCegarLoop]: Abstraction has 47 states and 66 transitions. [2023-11-06 22:03:28,111 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 3.0) internal successors, (24), 8 states have internal predecessors, (24), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2023-11-06 22:03:28,111 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 66 transitions. [2023-11-06 22:03:28,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2023-11-06 22:03:28,124 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:03:28,124 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:03:28,141 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d6117cf-bae9-4c48-99a0-b20fb9064e64/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)] Ended with exit code 0 [2023-11-06 22:03:28,337 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d6117cf-bae9-4c48-99a0-b20fb9064e64/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-06 22:03:28,337 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:03:28,338 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:03:28,338 INFO L85 PathProgramCache]: Analyzing trace with hash 1960478174, now seen corresponding path program 1 times [2023-11-06 22:03:28,338 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-06 22:03:28,339 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [777943051] [2023-11-06 22:03:28,339 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:03:28,339 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-06 22:03:28,339 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d6117cf-bae9-4c48-99a0-b20fb9064e64/bin/uautomizer-verify-WvqO1wxjHP/mathsat [2023-11-06 22:03:28,340 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d6117cf-bae9-4c48-99a0-b20fb9064e64/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-06 22:03:28,344 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d6117cf-bae9-4c48-99a0-b20fb9064e64/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2023-11-06 22:03:28,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:03:28,587 INFO L262 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 16 conjunts are in the unsatisfiable core [2023-11-06 22:03:28,593 INFO L285 TraceCheckSpWp]: Computing forward predicates...