./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-99.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e7bb482b Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d875fd4-bbfa-4060-8fd5-902c005a1442/bin/uautomizer-verify-WvqO1wxjHP/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d875fd4-bbfa-4060-8fd5-902c005a1442/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_6d875fd4-bbfa-4060-8fd5-902c005a1442/bin/uautomizer-verify-WvqO1wxjHP/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d875fd4-bbfa-4060-8fd5-902c005a1442/bin/uautomizer-verify-WvqO1wxjHP/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-99.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d875fd4-bbfa-4060-8fd5-902c005a1442/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_6d875fd4-bbfa-4060-8fd5-902c005a1442/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 3f85399f13cd3660b524b9ee202c819bd1459b0c883e7c0e4ddb7463b5e0cc2f --- Real Ultimate output --- This is Ultimate 0.2.3-dev-e7bb482 [2023-11-06 22:52:43,911 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-06 22:52:44,040 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d875fd4-bbfa-4060-8fd5-902c005a1442/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-06 22:52:44,050 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-06 22:52:44,051 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-06 22:52:44,101 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-06 22:52:44,102 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-06 22:52:44,103 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-06 22:52:44,105 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-06 22:52:44,111 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-06 22:52:44,113 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-06 22:52:44,113 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-06 22:52:44,114 INFO L153 SettingsManager]: * Use SBE=true [2023-11-06 22:52:44,116 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-06 22:52:44,117 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-06 22:52:44,117 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-06 22:52:44,118 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-06 22:52:44,118 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-06 22:52:44,119 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-06 22:52:44,119 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-06 22:52:44,120 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-06 22:52:44,121 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-06 22:52:44,121 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-06 22:52:44,121 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-06 22:52:44,122 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-06 22:52:44,123 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-06 22:52:44,124 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-06 22:52:44,124 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-06 22:52:44,125 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:52:44,125 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-06 22:52:44,127 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-06 22:52:44,127 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-11-06 22:52:44,127 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-06 22:52:44,128 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-06 22:52:44,128 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-06 22:52:44,128 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-06 22:52:44,129 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-06 22:52:44,129 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-06 22:52:44,129 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-06 22:52:44,129 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_6d875fd4-bbfa-4060-8fd5-902c005a1442/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d875fd4-bbfa-4060-8fd5-902c005a1442/bin/uautomizer-verify-WvqO1wxjHP Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3f85399f13cd3660b524b9ee202c819bd1459b0c883e7c0e4ddb7463b5e0cc2f [2023-11-06 22:52:44,481 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-06 22:52:44,533 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-06 22:52:44,536 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-06 22:52:44,538 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-06 22:52:44,540 INFO L274 PluginConnector]: CDTParser initialized [2023-11-06 22:52:44,541 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d875fd4-bbfa-4060-8fd5-902c005a1442/bin/uautomizer-verify-WvqO1wxjHP/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-99.i [2023-11-06 22:52:47,757 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-06 22:52:48,022 INFO L384 CDTParser]: Found 1 translation units. [2023-11-06 22:52:48,023 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d875fd4-bbfa-4060-8fd5-902c005a1442/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-99.i [2023-11-06 22:52:48,034 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d875fd4-bbfa-4060-8fd5-902c005a1442/bin/uautomizer-verify-WvqO1wxjHP/data/485f749ab/d26a3813aa4146cbb8e661f3de623c95/FLAGde99607a3 [2023-11-06 22:52:48,051 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d875fd4-bbfa-4060-8fd5-902c005a1442/bin/uautomizer-verify-WvqO1wxjHP/data/485f749ab/d26a3813aa4146cbb8e661f3de623c95 [2023-11-06 22:52:48,054 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-06 22:52:48,055 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-06 22:52:48,057 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-06 22:52:48,058 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-06 22:52:48,066 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-06 22:52:48,067 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:52:48" (1/1) ... [2023-11-06 22:52:48,068 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2f42822a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:52:48, skipping insertion in model container [2023-11-06 22:52:48,069 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:52:48" (1/1) ... [2023-11-06 22:52:48,112 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 22:52:48,267 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_6d875fd4-bbfa-4060-8fd5-902c005a1442/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-99.i[915,928] [2023-11-06 22:52:48,313 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:52:48,328 INFO L202 MainTranslator]: Completed pre-run [2023-11-06 22:52:48,342 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_6d875fd4-bbfa-4060-8fd5-902c005a1442/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-99.i[915,928] [2023-11-06 22:52:48,367 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:52:48,388 INFO L206 MainTranslator]: Completed translation [2023-11-06 22:52:48,388 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:52:48 WrapperNode [2023-11-06 22:52:48,389 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-06 22:52:48,390 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-06 22:52:48,391 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-06 22:52:48,391 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-06 22:52:48,400 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:52:48" (1/1) ... [2023-11-06 22:52:48,414 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:52:48" (1/1) ... [2023-11-06 22:52:48,451 INFO L138 Inliner]: procedures = 26, calls = 22, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 91 [2023-11-06 22:52:48,452 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-06 22:52:48,453 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-06 22:52:48,453 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-06 22:52:48,453 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-06 22:52:48,464 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:52:48" (1/1) ... [2023-11-06 22:52:48,465 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:52:48" (1/1) ... [2023-11-06 22:52:48,468 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:52:48" (1/1) ... [2023-11-06 22:52:48,469 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:52:48" (1/1) ... [2023-11-06 22:52:48,476 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:52:48" (1/1) ... [2023-11-06 22:52:48,481 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:52:48" (1/1) ... [2023-11-06 22:52:48,483 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:52:48" (1/1) ... [2023-11-06 22:52:48,485 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:52:48" (1/1) ... [2023-11-06 22:52:48,489 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-06 22:52:48,490 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-06 22:52:48,491 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-06 22:52:48,491 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-06 22:52:48,492 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:52:48" (1/1) ... [2023-11-06 22:52:48,501 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:52:48,533 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d875fd4-bbfa-4060-8fd5-902c005a1442/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:52:48,555 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d875fd4-bbfa-4060-8fd5-902c005a1442/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-06 22:52:48,595 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d875fd4-bbfa-4060-8fd5-902c005a1442/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-06 22:52:48,613 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-06 22:52:48,614 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-06 22:52:48,614 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-06 22:52:48,614 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-06 22:52:48,614 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-06 22:52:48,615 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-06 22:52:48,734 INFO L236 CfgBuilder]: Building ICFG [2023-11-06 22:52:48,739 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-06 22:52:49,179 INFO L277 CfgBuilder]: Performing block encoding [2023-11-06 22:52:49,187 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-06 22:52:49,187 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-06 22:52:49,190 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:52:49 BoogieIcfgContainer [2023-11-06 22:52:49,190 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-06 22:52:49,216 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-06 22:52:49,217 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-06 22:52:49,221 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-06 22:52:49,221 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 10:52:48" (1/3) ... [2023-11-06 22:52:49,222 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@50bdf6ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:52:49, skipping insertion in model container [2023-11-06 22:52:49,222 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:52:48" (2/3) ... [2023-11-06 22:52:49,222 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@50bdf6ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:52:49, skipping insertion in model container [2023-11-06 22:52:49,223 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:52:49" (3/3) ... [2023-11-06 22:52:49,224 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_25-1loop_file-99.i [2023-11-06 22:52:49,250 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-06 22:52:49,251 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-06 22:52:49,338 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-06 22:52:49,349 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;@100f10ff, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-06 22:52:49,351 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-06 22:52:49,357 INFO L276 IsEmpty]: Start isEmpty. Operand has 41 states, 29 states have (on average 1.3448275862068966) internal successors, (39), 30 states have internal predecessors, (39), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2023-11-06 22:52:49,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2023-11-06 22:52:49,372 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:52:49,373 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:52:49,375 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:52:49,386 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:52:49,387 INFO L85 PathProgramCache]: Analyzing trace with hash -259430522, now seen corresponding path program 1 times [2023-11-06 22:52:49,403 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:52:49,404 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1529145745] [2023-11-06 22:52:49,404 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:52:49,405 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:52:49,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:52:49,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-06 22:52:49,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:52:49,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-06 22:52:49,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:52:49,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-11-06 22:52:49,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:52:49,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2023-11-06 22:52:49,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:52:49,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-11-06 22:52:49,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:52:49,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-11-06 22:52:49,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:52:49,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2023-11-06 22:52:49,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:52:49,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2023-11-06 22:52:49,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:52:49,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2023-11-06 22:52:49,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:52:49,846 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2023-11-06 22:52:49,847 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:52:49,847 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1529145745] [2023-11-06 22:52:49,848 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1529145745] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:52:49,848 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:52:49,849 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-06 22:52:49,851 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1454299611] [2023-11-06 22:52:49,851 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:52:49,862 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-06 22:52:49,863 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:52:49,919 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-06 22:52:49,920 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-06 22:52:49,922 INFO L87 Difference]: Start difference. First operand has 41 states, 29 states have (on average 1.3448275862068966) internal successors, (39), 30 states have internal predecessors, (39), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) Second operand has 2 states, 2 states have (on average 11.5) internal successors, (23), 2 states have internal predecessors, (23), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 2 states have call successors, (9) [2023-11-06 22:52:49,952 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:52:49,953 INFO L93 Difference]: Finished difference Result 79 states and 120 transitions. [2023-11-06 22:52:49,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-06 22:52:49,958 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 11.5) internal successors, (23), 2 states have internal predecessors, (23), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 2 states have call successors, (9) Word has length 65 [2023-11-06 22:52:49,958 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:52:49,968 INFO L225 Difference]: With dead ends: 79 [2023-11-06 22:52:49,969 INFO L226 Difference]: Without dead ends: 37 [2023-11-06 22:52:49,973 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-06 22:52:49,977 INFO L413 NwaCegarLoop]: 54 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, 54 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-06 22:52:49,979 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 54 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 22:52:49,997 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2023-11-06 22:52:50,034 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 37. [2023-11-06 22:52:50,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37 states, 26 states have (on average 1.2307692307692308) internal successors, (32), 26 states have internal predecessors, (32), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2023-11-06 22:52:50,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 50 transitions. [2023-11-06 22:52:50,045 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 50 transitions. Word has length 65 [2023-11-06 22:52:50,046 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:52:50,047 INFO L495 AbstractCegarLoop]: Abstraction has 37 states and 50 transitions. [2023-11-06 22:52:50,047 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 11.5) internal successors, (23), 2 states have internal predecessors, (23), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 2 states have call successors, (9) [2023-11-06 22:52:50,048 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 50 transitions. [2023-11-06 22:52:50,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2023-11-06 22:52:50,053 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:52:50,053 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:52:50,053 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-06 22:52:50,054 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:52:50,054 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:52:50,055 INFO L85 PathProgramCache]: Analyzing trace with hash -1904665328, now seen corresponding path program 1 times [2023-11-06 22:52:50,055 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:52:50,055 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1100180578] [2023-11-06 22:52:50,056 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:52:50,056 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:52:50,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:52:50,223 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-06 22:52:50,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:52:50,368 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-06 22:52:50,368 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-06 22:52:50,371 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-06 22:52:50,373 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-06 22:52:50,378 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2023-11-06 22:52:50,383 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-06 22:52:50,501 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.11 10:52:50 BoogieIcfgContainer [2023-11-06 22:52:50,504 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-06 22:52:50,505 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-06 22:52:50,505 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-06 22:52:50,505 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-06 22:52:50,506 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:52:49" (3/4) ... [2023-11-06 22:52:50,509 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-06 22:52:50,510 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-06 22:52:50,511 INFO L158 Benchmark]: Toolchain (without parser) took 2455.70ms. Allocated memory was 136.3MB in the beginning and 190.8MB in the end (delta: 54.5MB). Free memory was 91.1MB in the beginning and 121.0MB in the end (delta: -29.9MB). Peak memory consumption was 26.7MB. Max. memory is 16.1GB. [2023-11-06 22:52:50,513 INFO L158 Benchmark]: CDTParser took 0.38ms. Allocated memory is still 136.3MB. Free memory is still 111.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 22:52:50,518 INFO L158 Benchmark]: CACSL2BoogieTranslator took 332.03ms. Allocated memory is still 136.3MB. Free memory was 91.1MB in the beginning and 79.0MB in the end (delta: 12.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-06 22:52:50,520 INFO L158 Benchmark]: Boogie Procedure Inliner took 61.65ms. Allocated memory is still 136.3MB. Free memory was 79.0MB in the beginning and 77.3MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-06 22:52:50,525 INFO L158 Benchmark]: Boogie Preprocessor took 36.75ms. Allocated memory is still 136.3MB. Free memory was 77.3MB in the beginning and 75.6MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-06 22:52:50,526 INFO L158 Benchmark]: RCFGBuilder took 700.38ms. Allocated memory is still 136.3MB. Free memory was 75.6MB in the beginning and 105.6MB in the end (delta: -30.1MB). Peak memory consumption was 17.6MB. Max. memory is 16.1GB. [2023-11-06 22:52:50,528 INFO L158 Benchmark]: TraceAbstraction took 1287.43ms. Allocated memory is still 190.8MB. Free memory was 161.8MB in the beginning and 121.0MB in the end (delta: 40.8MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB. [2023-11-06 22:52:50,528 INFO L158 Benchmark]: Witness Printer took 5.78ms. Allocated memory is still 190.8MB. Free memory is still 121.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 22:52:50,538 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.38ms. Allocated memory is still 136.3MB. Free memory is still 111.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 332.03ms. Allocated memory is still 136.3MB. Free memory was 91.1MB in the beginning and 79.0MB in the end (delta: 12.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 61.65ms. Allocated memory is still 136.3MB. Free memory was 79.0MB in the beginning and 77.3MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 36.75ms. Allocated memory is still 136.3MB. Free memory was 77.3MB in the beginning and 75.6MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 700.38ms. Allocated memory is still 136.3MB. Free memory was 75.6MB in the beginning and 105.6MB in the end (delta: -30.1MB). Peak memory consumption was 17.6MB. Max. memory is 16.1GB. * TraceAbstraction took 1287.43ms. Allocated memory is still 190.8MB. Free memory was 161.8MB in the beginning and 121.0MB in the end (delta: 40.8MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB. * Witness Printer took 5.78ms. Allocated memory is still 190.8MB. Free memory is still 121.0MB. 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 75, overapproximation of someUnaryDOUBLEoperation at line 43, overapproximation of someBinaryArithmeticDOUBLEoperation at line 43, overapproximation of someBinaryDOUBLEComparisonOperation at line 75, overapproximation of someBinaryArithmeticFLOAToperation at line 38. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] float var_1_1 = 255.5; [L23] unsigned char var_1_2 = 16; [L24] float var_1_4 = 1000000000000000.6; [L25] float var_1_5 = 500.5; [L26] float var_1_6 = 99999999999.5; [L27] double var_1_7 = 9.6; [L28] double var_1_8 = -0.2; [L29] double var_1_9 = 25.2; [L30] signed short int var_1_10 = 1; [L31] unsigned char var_1_11 = 0; [L32] signed long int var_1_15 = -64; VAL [isInitial=0, var_1_10=1, var_1_11=0, var_1_15=-64, var_1_1=511/2, var_1_2=16, var_1_4=5000000000000003/5, var_1_5=1001/2, var_1_6=199999999999/2, var_1_7=48/5, var_1_9=126/5] [L79] isInitial = 1 [L80] FCALL initially() [L81] int k_loop; [L82] k_loop = 0 VAL [isInitial=1, k_loop=0, var_1_10=1, var_1_11=0, var_1_15=-64, var_1_1=511/2, var_1_2=16, var_1_4=5000000000000003/5, var_1_5=1001/2, var_1_6=199999999999/2, var_1_7=48/5, var_1_9=126/5] [L82] COND TRUE k_loop < 1 [L83] FCALL updateLastVariables() [L84] CALL updateVariables() [L55] var_1_2 = __VERIFIER_nondet_uchar() [L56] CALL assume_abort_if_not(var_1_2 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=0, var_1_15=-64, var_1_1=511/2, var_1_4=5000000000000003/5, var_1_5=1001/2, var_1_6=199999999999/2, var_1_7=48/5, var_1_9=126/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=1, var_1_11=0, var_1_15=-64, var_1_1=511/2, var_1_4=5000000000000003/5, var_1_5=1001/2, var_1_6=199999999999/2, var_1_7=48/5, var_1_9=126/5] [L56] RET assume_abort_if_not(var_1_2 >= 0) VAL [isInitial=1, var_1_10=1, var_1_11=0, var_1_15=-64, var_1_1=511/2, var_1_4=5000000000000003/5, var_1_5=1001/2, var_1_6=199999999999/2, var_1_7=48/5, var_1_9=126/5] [L57] CALL assume_abort_if_not(var_1_2 <= 127) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=0, var_1_15=-64, var_1_1=511/2, var_1_2=119, var_1_4=5000000000000003/5, var_1_5=1001/2, var_1_6=199999999999/2, var_1_7=48/5, var_1_9=126/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=1, var_1_11=0, var_1_15=-64, var_1_1=511/2, var_1_2=119, var_1_4=5000000000000003/5, var_1_5=1001/2, var_1_6=199999999999/2, var_1_7=48/5, var_1_9=126/5] [L57] RET assume_abort_if_not(var_1_2 <= 127) VAL [isInitial=1, var_1_10=1, var_1_11=0, var_1_15=-64, var_1_1=511/2, var_1_2=119, var_1_4=5000000000000003/5, var_1_5=1001/2, var_1_6=199999999999/2, var_1_7=48/5, var_1_9=126/5] [L58] var_1_4 = __VERIFIER_nondet_float() [L59] CALL assume_abort_if_not((var_1_4 >= 0.0F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 9223372.036854765600e+12F && var_1_4 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=0, var_1_15=-64, var_1_1=511/2, var_1_2=119, var_1_4=1000000000000008, var_1_5=1001/2, var_1_6=199999999999/2, var_1_7=48/5, var_1_9=126/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=1, var_1_11=0, var_1_15=-64, var_1_1=511/2, var_1_2=119, var_1_4=1000000000000008, var_1_5=1001/2, var_1_6=199999999999/2, var_1_7=48/5, var_1_9=126/5] [L59] RET assume_abort_if_not((var_1_4 >= 0.0F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 9223372.036854765600e+12F && var_1_4 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=1, var_1_11=0, var_1_15=-64, var_1_1=511/2, var_1_2=119, var_1_4=1000000000000008, var_1_5=1001/2, var_1_6=199999999999/2, var_1_7=48/5, var_1_9=126/5] [L60] var_1_5 = __VERIFIER_nondet_float() [L61] CALL assume_abort_if_not((var_1_5 >= 0.0F && var_1_5 <= -1.0e-20F) || (var_1_5 <= 9223372.036854765600e+12F && var_1_5 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=0, var_1_15=-64, var_1_1=511/2, var_1_2=119, var_1_4=1000000000000008, var_1_5=1000000000000006, var_1_6=199999999999/2, var_1_7=48/5, var_1_9=126/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=1, var_1_11=0, var_1_15=-64, var_1_1=511/2, var_1_2=119, var_1_4=1000000000000008, var_1_5=1000000000000006, var_1_6=199999999999/2, var_1_7=48/5, var_1_9=126/5] [L61] RET assume_abort_if_not((var_1_5 >= 0.0F && var_1_5 <= -1.0e-20F) || (var_1_5 <= 9223372.036854765600e+12F && var_1_5 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=1, var_1_11=0, var_1_15=-64, var_1_1=511/2, var_1_2=119, var_1_4=1000000000000008, var_1_5=1000000000000006, var_1_6=199999999999/2, var_1_7=48/5, var_1_9=126/5] [L62] var_1_6 = __VERIFIER_nondet_float() [L63] CALL assume_abort_if_not((var_1_6 >= 0.0F && var_1_6 <= -1.0e-20F) || (var_1_6 <= 9223372.036854765600e+12F && var_1_6 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=0, var_1_15=-64, var_1_1=511/2, var_1_2=119, var_1_4=1000000000000008, var_1_5=1000000000000006, var_1_6=1000000000000010, var_1_7=48/5, var_1_9=126/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=1, var_1_11=0, var_1_15=-64, var_1_1=511/2, var_1_2=119, var_1_4=1000000000000008, var_1_5=1000000000000006, var_1_6=1000000000000010, var_1_7=48/5, var_1_9=126/5] [L63] RET assume_abort_if_not((var_1_6 >= 0.0F && var_1_6 <= -1.0e-20F) || (var_1_6 <= 9223372.036854765600e+12F && var_1_6 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=1, var_1_11=0, var_1_15=-64, var_1_1=511/2, var_1_2=119, var_1_4=1000000000000008, var_1_5=1000000000000006, var_1_6=1000000000000010, var_1_7=48/5, var_1_9=126/5] [L64] var_1_8 = __VERIFIER_nondet_double() [L65] CALL assume_abort_if_not((var_1_8 >= -461168.6018427382800e+13F && var_1_8 <= -1.0e-20F) || (var_1_8 <= 4611686.018427382800e+12F && var_1_8 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=0, var_1_15=-64, var_1_1=511/2, var_1_2=119, var_1_4=1000000000000008, var_1_5=1000000000000006, var_1_6=1000000000000010, var_1_7=48/5, var_1_8=1000000000000005, var_1_9=126/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=1, var_1_11=0, var_1_15=-64, var_1_1=511/2, var_1_2=119, var_1_4=1000000000000008, var_1_5=1000000000000006, var_1_6=1000000000000010, var_1_7=48/5, var_1_8=1000000000000005, var_1_9=126/5] [L65] RET assume_abort_if_not((var_1_8 >= -461168.6018427382800e+13F && var_1_8 <= -1.0e-20F) || (var_1_8 <= 4611686.018427382800e+12F && var_1_8 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=1, var_1_11=0, var_1_15=-64, var_1_1=511/2, var_1_2=119, var_1_4=1000000000000008, var_1_5=1000000000000006, var_1_6=1000000000000010, var_1_7=48/5, var_1_8=1000000000000005, var_1_9=126/5] [L66] var_1_9 = __VERIFIER_nondet_double() [L67] CALL assume_abort_if_not((var_1_9 >= -461168.6018427382800e+13F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 4611686.018427382800e+12F && var_1_9 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=0, var_1_15=-64, var_1_1=511/2, var_1_2=119, var_1_4=1000000000000008, var_1_5=1000000000000006, var_1_6=1000000000000010, var_1_7=48/5, var_1_8=1000000000000005, var_1_9=1000000000000009] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=1, var_1_11=0, var_1_15=-64, var_1_1=511/2, var_1_2=119, var_1_4=1000000000000008, var_1_5=1000000000000006, var_1_6=1000000000000010, var_1_7=48/5, var_1_8=1000000000000005, var_1_9=1000000000000009] [L67] RET assume_abort_if_not((var_1_9 >= -461168.6018427382800e+13F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 4611686.018427382800e+12F && var_1_9 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=1, var_1_11=0, var_1_15=-64, var_1_1=511/2, var_1_2=119, var_1_4=1000000000000008, var_1_5=1000000000000006, var_1_6=1000000000000010, var_1_7=48/5, var_1_8=1000000000000005, var_1_9=1000000000000009] [L68] var_1_11 = __VERIFIER_nondet_uchar() [L69] CALL assume_abort_if_not(var_1_11 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=1, var_1_15=-64, var_1_1=511/2, var_1_2=119, var_1_4=1000000000000008, var_1_5=1000000000000006, var_1_6=1000000000000010, var_1_7=48/5, var_1_8=1000000000000005, var_1_9=1000000000000009] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=1, var_1_11=1, var_1_15=-64, var_1_1=511/2, var_1_2=119, var_1_4=1000000000000008, var_1_5=1000000000000006, var_1_6=1000000000000010, var_1_7=48/5, var_1_8=1000000000000005, var_1_9=1000000000000009] [L69] RET assume_abort_if_not(var_1_11 >= 0) VAL [isInitial=1, var_1_10=1, var_1_11=1, var_1_15=-64, var_1_1=511/2, var_1_2=119, var_1_4=1000000000000008, var_1_5=1000000000000006, var_1_6=1000000000000010, var_1_7=48/5, var_1_8=1000000000000005, var_1_9=1000000000000009] [L70] CALL assume_abort_if_not(var_1_11 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=1, var_1_15=-64, var_1_1=511/2, var_1_2=119, var_1_4=1000000000000008, var_1_5=1000000000000006, var_1_6=1000000000000010, var_1_7=48/5, var_1_8=1000000000000005, var_1_9=1000000000000009] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=1, var_1_11=1, var_1_15=-64, var_1_1=511/2, var_1_2=119, var_1_4=1000000000000008, var_1_5=1000000000000006, var_1_6=1000000000000010, var_1_7=48/5, var_1_8=1000000000000005, var_1_9=1000000000000009] [L70] RET assume_abort_if_not(var_1_11 <= 1) VAL [isInitial=1, var_1_10=1, var_1_11=1, var_1_15=-64, var_1_1=511/2, var_1_2=119, var_1_4=1000000000000008, var_1_5=1000000000000006, var_1_6=1000000000000010, var_1_7=48/5, var_1_8=1000000000000005, var_1_9=1000000000000009] [L84] RET updateVariables() [L85] CALL step() [L36] signed long int stepLocal_0 = (((8) < 0 ) ? -(8) : (8)); VAL [isInitial=1, stepLocal_0=8, var_1_10=1, var_1_11=1, var_1_15=-64, var_1_1=511/2, var_1_2=119, var_1_4=1000000000000008, var_1_5=1000000000000006, var_1_6=1000000000000010, var_1_7=48/5, var_1_8=1000000000000005, var_1_9=1000000000000009] [L37] COND TRUE (((((200) < (128)) ? (200) : (128))) - var_1_2) > stepLocal_0 [L38] var_1_1 = (((((var_1_4) < (var_1_5)) ? (var_1_4) : (var_1_5))) - var_1_6) VAL [isInitial=1, stepLocal_0=8, var_1_10=1, var_1_11=1, var_1_15=-64, var_1_2=119, var_1_4=1000000000000008, var_1_5=1000000000000006, var_1_6=1000000000000010, var_1_7=48/5, var_1_8=1000000000000005, var_1_9=1000000000000009] [L42] COND TRUE var_1_5 >= (var_1_4 + var_1_6) [L43] var_1_7 = ((((var_1_8 + var_1_9) < 0 ) ? -(var_1_8 + var_1_9) : (var_1_8 + var_1_9))) VAL [isInitial=1, stepLocal_0=8, var_1_10=1, var_1_11=1, var_1_15=-64, var_1_2=119, var_1_4=1000000000000008, var_1_5=1000000000000006, var_1_6=1000000000000010, var_1_7=1000000000000007, var_1_8=1000000000000005, var_1_9=1000000000000009] [L45] COND FALSE !(((var_1_6 - var_1_4) + var_1_7) >= var_1_5) VAL [isInitial=1, stepLocal_0=8, var_1_10=1, var_1_11=1, var_1_15=-64, var_1_2=119, var_1_4=1000000000000008, var_1_5=1000000000000006, var_1_6=1000000000000010, var_1_7=1000000000000007, var_1_8=1000000000000005, var_1_9=1000000000000009] [L50] COND TRUE ((var_1_2 + var_1_15) + var_1_15) >= var_1_15 [L51] var_1_10 = var_1_2 VAL [isInitial=1, stepLocal_0=8, var_1_10=119, var_1_11=1, var_1_15=-64, var_1_2=119, var_1_4=1000000000000008, var_1_5=1000000000000006, var_1_6=1000000000000010, var_1_7=1000000000000007, var_1_8=1000000000000005, var_1_9=1000000000000009] [L85] RET step() [L86] CALL, EXPR property() [L75-L76] return (((((((((200) < (128)) ? (200) : (128))) - var_1_2) > ((((8) < 0 ) ? -(8) : (8)))) ? (var_1_1 == ((float) (((((var_1_4) < (var_1_5)) ? (var_1_4) : (var_1_5))) - var_1_6))) : (var_1_1 == ((float) var_1_6))) && ((var_1_5 >= (var_1_4 + var_1_6)) ? (var_1_7 == ((double) ((((var_1_8 + var_1_9) < 0 ) ? -(var_1_8 + var_1_9) : (var_1_8 + var_1_9))))) : 1)) && ((((var_1_2 + var_1_15) + var_1_15) >= var_1_15) ? (var_1_10 == ((signed short int) var_1_2)) : 1)) && ((((var_1_6 - var_1_4) + var_1_7) >= var_1_5) ? (var_1_11 ? (var_1_15 == ((signed long int) 100)) : 1) : 1) ; VAL [\result=0, isInitial=1, var_1_10=119, var_1_11=1, var_1_15=-64, var_1_2=119, var_1_4=1000000000000008, var_1_5=1000000000000006, var_1_6=1000000000000010, var_1_7=1000000000000007, var_1_8=1000000000000005, var_1_9=1000000000000009] [L86] RET, EXPR property() [L86] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, var_1_10=119, var_1_11=1, var_1_15=-64, var_1_2=119, var_1_4=1000000000000008, var_1_5=1000000000000006, var_1_6=1000000000000010, var_1_7=1000000000000007, var_1_8=1000000000000005, var_1_9=1000000000000009] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, var_1_10=119, var_1_11=1, var_1_15=-64, var_1_2=119, var_1_4=1000000000000008, var_1_5=1000000000000006, var_1_6=1000000000000010, var_1_7=1000000000000007, var_1_8=1000000000000005, var_1_9=1000000000000009] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 41 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.1s, OverallIterations: 2, TraceHistogramMax: 9, 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, 54 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, 54 mSDtfsCounter, 0 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 29 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=41occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 130 NumberOfCodeBlocks, 130 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 64 ConstructedInterpolants, 0 QuantifiedInterpolants, 64 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 144/144 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-06 22:52:50,576 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d875fd4-bbfa-4060-8fd5-902c005a1442/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d875fd4-bbfa-4060-8fd5-902c005a1442/bin/uautomizer-verify-WvqO1wxjHP/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d875fd4-bbfa-4060-8fd5-902c005a1442/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_6d875fd4-bbfa-4060-8fd5-902c005a1442/bin/uautomizer-verify-WvqO1wxjHP/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d875fd4-bbfa-4060-8fd5-902c005a1442/bin/uautomizer-verify-WvqO1wxjHP/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-99.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d875fd4-bbfa-4060-8fd5-902c005a1442/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_6d875fd4-bbfa-4060-8fd5-902c005a1442/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 3f85399f13cd3660b524b9ee202c819bd1459b0c883e7c0e4ddb7463b5e0cc2f --- Real Ultimate output --- This is Ultimate 0.2.3-dev-e7bb482 [2023-11-06 22:52:53,693 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-06 22:52:53,875 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d875fd4-bbfa-4060-8fd5-902c005a1442/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-11-06 22:52:53,887 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-06 22:52:53,888 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-06 22:52:53,943 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-06 22:52:53,944 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-06 22:52:53,945 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-06 22:52:53,946 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-06 22:52:53,955 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-06 22:52:53,956 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-06 22:52:53,957 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-06 22:52:53,958 INFO L153 SettingsManager]: * Use SBE=true [2023-11-06 22:52:53,961 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-06 22:52:53,961 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-06 22:52:53,962 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-06 22:52:53,962 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-06 22:52:53,963 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-06 22:52:53,963 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-06 22:52:53,965 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-06 22:52:53,966 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-06 22:52:53,967 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-06 22:52:53,967 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-06 22:52:53,968 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-06 22:52:53,968 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-06 22:52:53,969 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-06 22:52:53,969 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-06 22:52:53,970 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-06 22:52:53,970 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-06 22:52:53,971 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-06 22:52:53,973 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:52:53,973 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-06 22:52:53,974 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-06 22:52:53,975 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-11-06 22:52:53,975 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-06 22:52:53,976 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-06 22:52:53,976 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-06 22:52:53,976 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-06 22:52:53,977 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-06 22:52:53,978 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-06 22:52:53,978 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-06 22:52:53,979 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-06 22:52:53,979 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_6d875fd4-bbfa-4060-8fd5-902c005a1442/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d875fd4-bbfa-4060-8fd5-902c005a1442/bin/uautomizer-verify-WvqO1wxjHP Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3f85399f13cd3660b524b9ee202c819bd1459b0c883e7c0e4ddb7463b5e0cc2f [2023-11-06 22:52:54,548 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-06 22:52:54,589 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-06 22:52:54,593 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-06 22:52:54,595 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-06 22:52:54,595 INFO L274 PluginConnector]: CDTParser initialized [2023-11-06 22:52:54,597 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d875fd4-bbfa-4060-8fd5-902c005a1442/bin/uautomizer-verify-WvqO1wxjHP/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-99.i [2023-11-06 22:52:58,222 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-06 22:52:58,602 INFO L384 CDTParser]: Found 1 translation units. [2023-11-06 22:52:58,604 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d875fd4-bbfa-4060-8fd5-902c005a1442/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-99.i [2023-11-06 22:52:58,618 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d875fd4-bbfa-4060-8fd5-902c005a1442/bin/uautomizer-verify-WvqO1wxjHP/data/d66bf9dfa/e49e4bea4b0243e2adbaea7d5dada646/FLAG58347791a [2023-11-06 22:52:58,645 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d875fd4-bbfa-4060-8fd5-902c005a1442/bin/uautomizer-verify-WvqO1wxjHP/data/d66bf9dfa/e49e4bea4b0243e2adbaea7d5dada646 [2023-11-06 22:52:58,651 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-06 22:52:58,653 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-06 22:52:58,654 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-06 22:52:58,655 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-06 22:52:58,660 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-06 22:52:58,661 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:52:58" (1/1) ... [2023-11-06 22:52:58,662 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3e698560 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:52:58, skipping insertion in model container [2023-11-06 22:52:58,662 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:52:58" (1/1) ... [2023-11-06 22:52:58,699 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 22:52:58,874 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_6d875fd4-bbfa-4060-8fd5-902c005a1442/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-99.i[915,928] [2023-11-06 22:52:58,914 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:52:58,930 INFO L202 MainTranslator]: Completed pre-run [2023-11-06 22:52:58,945 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d875fd4-bbfa-4060-8fd5-902c005a1442/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-99.i[915,928] [2023-11-06 22:52:58,965 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:52:58,982 INFO L206 MainTranslator]: Completed translation [2023-11-06 22:52:58,983 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:52:58 WrapperNode [2023-11-06 22:52:58,983 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-06 22:52:58,984 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-06 22:52:58,984 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-06 22:52:58,984 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-06 22:52:58,992 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:52:58" (1/1) ... [2023-11-06 22:52:59,005 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:52:58" (1/1) ... [2023-11-06 22:52:59,031 INFO L138 Inliner]: procedures = 27, calls = 22, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 91 [2023-11-06 22:52:59,032 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-06 22:52:59,032 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-06 22:52:59,033 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-06 22:52:59,033 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-06 22:52:59,042 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:52:58" (1/1) ... [2023-11-06 22:52:59,042 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:52:58" (1/1) ... [2023-11-06 22:52:59,048 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:52:58" (1/1) ... [2023-11-06 22:52:59,048 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:52:58" (1/1) ... [2023-11-06 22:52:59,074 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:52:58" (1/1) ... [2023-11-06 22:52:59,078 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:52:58" (1/1) ... [2023-11-06 22:52:59,081 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:52:58" (1/1) ... [2023-11-06 22:52:59,083 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:52:58" (1/1) ... [2023-11-06 22:52:59,088 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-06 22:52:59,089 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-06 22:52:59,089 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-06 22:52:59,089 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-06 22:52:59,090 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:52:58" (1/1) ... [2023-11-06 22:52:59,097 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:52:59,120 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d875fd4-bbfa-4060-8fd5-902c005a1442/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:52:59,137 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d875fd4-bbfa-4060-8fd5-902c005a1442/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-06 22:52:59,162 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d875fd4-bbfa-4060-8fd5-902c005a1442/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-06 22:52:59,190 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-06 22:52:59,190 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-06 22:52:59,191 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-06 22:52:59,191 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-06 22:52:59,191 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-06 22:52:59,191 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-06 22:52:59,281 INFO L236 CfgBuilder]: Building ICFG [2023-11-06 22:52:59,284 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-06 22:53:06,623 INFO L277 CfgBuilder]: Performing block encoding [2023-11-06 22:53:06,632 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-06 22:53:06,633 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-06 22:53:06,635 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:53:06 BoogieIcfgContainer [2023-11-06 22:53:06,636 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-06 22:53:06,638 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-06 22:53:06,639 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-06 22:53:06,642 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-06 22:53:06,643 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 10:52:58" (1/3) ... [2023-11-06 22:53:06,644 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c17603f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:53:06, skipping insertion in model container [2023-11-06 22:53:06,644 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:52:58" (2/3) ... [2023-11-06 22:53:06,645 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c17603f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:53:06, skipping insertion in model container [2023-11-06 22:53:06,645 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:53:06" (3/3) ... [2023-11-06 22:53:06,647 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_25-1loop_file-99.i [2023-11-06 22:53:06,668 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-06 22:53:06,669 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-06 22:53:06,716 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-06 22:53:06,723 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;@854323f, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-06 22:53:06,724 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-06 22:53:06,728 INFO L276 IsEmpty]: Start isEmpty. Operand has 41 states, 29 states have (on average 1.3448275862068966) internal successors, (39), 30 states have internal predecessors, (39), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2023-11-06 22:53:06,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2023-11-06 22:53:06,739 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:53:06,740 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:53:06,740 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:53:06,746 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:53:06,747 INFO L85 PathProgramCache]: Analyzing trace with hash -259430522, now seen corresponding path program 1 times [2023-11-06 22:53:06,762 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-06 22:53:06,762 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [565482104] [2023-11-06 22:53:06,763 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:53:06,763 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 22:53:06,764 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d875fd4-bbfa-4060-8fd5-902c005a1442/bin/uautomizer-verify-WvqO1wxjHP/mathsat [2023-11-06 22:53:06,769 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d875fd4-bbfa-4060-8fd5-902c005a1442/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 22:53:06,797 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d875fd4-bbfa-4060-8fd5-902c005a1442/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2023-11-06 22:53:07,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:53:07,268 INFO L262 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-06 22:53:07,278 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:53:07,316 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2023-11-06 22:53:07,317 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:53:07,318 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-06 22:53:07,318 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [565482104] [2023-11-06 22:53:07,319 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [565482104] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:53:07,319 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:53:07,319 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-06 22:53:07,321 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [648165023] [2023-11-06 22:53:07,322 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:53:07,327 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-06 22:53:07,327 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-06 22:53:07,358 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-06 22:53:07,359 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-06 22:53:07,361 INFO L87 Difference]: Start difference. First operand has 41 states, 29 states have (on average 1.3448275862068966) internal successors, (39), 30 states have internal predecessors, (39), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) Second operand has 2 states, 2 states have (on average 13.5) internal successors, (27), 2 states have internal predecessors, (27), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2023-11-06 22:53:07,391 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:53:07,392 INFO L93 Difference]: Finished difference Result 79 states and 120 transitions. [2023-11-06 22:53:07,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-06 22:53:07,394 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 13.5) internal successors, (27), 2 states have internal predecessors, (27), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 65 [2023-11-06 22:53:07,395 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:53:07,401 INFO L225 Difference]: With dead ends: 79 [2023-11-06 22:53:07,401 INFO L226 Difference]: Without dead ends: 37 [2023-11-06 22:53:07,405 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-06 22:53:07,409 INFO L413 NwaCegarLoop]: 54 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, 54 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-06 22:53:07,411 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 54 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 22:53:07,431 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2023-11-06 22:53:07,452 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 37. [2023-11-06 22:53:07,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37 states, 26 states have (on average 1.2307692307692308) internal successors, (32), 26 states have internal predecessors, (32), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2023-11-06 22:53:07,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 50 transitions. [2023-11-06 22:53:07,458 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 50 transitions. Word has length 65 [2023-11-06 22:53:07,458 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:53:07,458 INFO L495 AbstractCegarLoop]: Abstraction has 37 states and 50 transitions. [2023-11-06 22:53:07,459 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 13.5) internal successors, (27), 2 states have internal predecessors, (27), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2023-11-06 22:53:07,459 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 50 transitions. [2023-11-06 22:53:07,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2023-11-06 22:53:07,463 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:53:07,463 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:53:07,482 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d875fd4-bbfa-4060-8fd5-902c005a1442/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2023-11-06 22:53:07,672 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d875fd4-bbfa-4060-8fd5-902c005a1442/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 22:53:07,673 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:53:07,674 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:53:07,674 INFO L85 PathProgramCache]: Analyzing trace with hash -1904665328, now seen corresponding path program 1 times [2023-11-06 22:53:07,675 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-06 22:53:07,675 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [465138566] [2023-11-06 22:53:07,676 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:53:07,676 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 22:53:07,679 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d875fd4-bbfa-4060-8fd5-902c005a1442/bin/uautomizer-verify-WvqO1wxjHP/mathsat [2023-11-06 22:53:07,681 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d875fd4-bbfa-4060-8fd5-902c005a1442/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 22:53:07,722 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d875fd4-bbfa-4060-8fd5-902c005a1442/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2023-11-06 22:53:08,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:53:08,218 INFO L262 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 32 conjunts are in the unsatisfiable core [2023-11-06 22:53:08,235 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:54:18,017 WARN L293 SmtUtils]: Spent 17.45s on a formula simplification that was a NOOP. DAG size: 74 (called from [L 376] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-11-06 22:56:07,917 WARN L839 $PredicateComparison]: unable to prove that (let ((.cse4 ((_ to_fp 8 24) c_currentRoundingMode (/ 1.0 100000000000000000000.0))) (.cse9 ((_ to_fp 8 24) c_currentRoundingMode 4611686018427382800.0))) (let ((.cse0 ((_ to_fp 8 24) c_currentRoundingMode 9223372036854765600.0)) (.cse8 ((_ to_fp 11 53) c_currentRoundingMode .cse9)) (.cse7 ((_ to_fp 11 53) c_currentRoundingMode .cse4)) (.cse5 ((_ to_fp 11 53) c_currentRoundingMode (fp.neg .cse9))) (.cse6 ((_ to_fp 11 53) c_currentRoundingMode (fp.neg .cse4)))) (and (not (fp.geq (fp.add c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode (fp.sub c_currentRoundingMode c_~var_1_6~0 c_~var_1_4~0)) c_~var_1_7~0) ((_ to_fp 11 53) c_currentRoundingMode c_~var_1_5~0))) (fp.leq c_~var_1_5~0 .cse0) (bvsgt (bvadd (_ bv128 32) (bvneg ((_ zero_extend 24) c_~var_1_2~0))) (_ bv8 32)) (let ((.cse2 (fp.add c_currentRoundingMode c_~var_1_8~0 c_~var_1_9~0))) (let ((.cse1 (fp.lt .cse2 ((_ to_fp 11 53) c_currentRoundingMode (_ bv0 32))))) (or (and .cse1 (= c_~var_1_7~0 (fp.neg .cse2))) (and (= c_~var_1_7~0 .cse2) (not .cse1))))) (let ((.cse3 (fp.lt c_~var_1_4~0 c_~var_1_5~0))) (or (and .cse3 (= c_~var_1_1~0 (fp.sub c_currentRoundingMode c_~var_1_4~0 c_~var_1_6~0))) (and (not .cse3) (= c_~var_1_1~0 (fp.sub c_currentRoundingMode c_~var_1_5~0 c_~var_1_6~0))))) (fp.geq c_~var_1_4~0 .cse4) (fp.leq c_~var_1_4~0 .cse0) (fp.geq c_~var_1_6~0 .cse4) (fp.geq c_~var_1_5~0 .cse4) (fp.leq c_~var_1_6~0 .cse0) (or (and (fp.geq c_~var_1_8~0 .cse5) (fp.leq c_~var_1_8~0 .cse6)) (and (fp.geq c_~var_1_8~0 .cse7) (fp.leq c_~var_1_8~0 .cse8))) (= (bvadd c_~var_1_15~0 (_ bv64 32)) (_ bv0 32)) (or (and (fp.leq c_~var_1_9~0 .cse8) (fp.geq c_~var_1_9~0 .cse7)) (and (fp.geq c_~var_1_9~0 .cse5) (fp.leq c_~var_1_9~0 .cse6))) (= c_currentRoundingMode roundNearestTiesToEven)))) is different from false [2023-11-06 22:56:09,955 WARN L861 $PredicateComparison]: unable to prove that (let ((.cse4 ((_ to_fp 8 24) c_currentRoundingMode (/ 1.0 100000000000000000000.0))) (.cse9 ((_ to_fp 8 24) c_currentRoundingMode 4611686018427382800.0))) (let ((.cse0 ((_ to_fp 8 24) c_currentRoundingMode 9223372036854765600.0)) (.cse8 ((_ to_fp 11 53) c_currentRoundingMode .cse9)) (.cse7 ((_ to_fp 11 53) c_currentRoundingMode .cse4)) (.cse5 ((_ to_fp 11 53) c_currentRoundingMode (fp.neg .cse9))) (.cse6 ((_ to_fp 11 53) c_currentRoundingMode (fp.neg .cse4)))) (and (not (fp.geq (fp.add c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode (fp.sub c_currentRoundingMode c_~var_1_6~0 c_~var_1_4~0)) c_~var_1_7~0) ((_ to_fp 11 53) c_currentRoundingMode c_~var_1_5~0))) (fp.leq c_~var_1_5~0 .cse0) (bvsgt (bvadd (_ bv128 32) (bvneg ((_ zero_extend 24) c_~var_1_2~0))) (_ bv8 32)) (let ((.cse2 (fp.add c_currentRoundingMode c_~var_1_8~0 c_~var_1_9~0))) (let ((.cse1 (fp.lt .cse2 ((_ to_fp 11 53) c_currentRoundingMode (_ bv0 32))))) (or (and .cse1 (= c_~var_1_7~0 (fp.neg .cse2))) (and (= c_~var_1_7~0 .cse2) (not .cse1))))) (let ((.cse3 (fp.lt c_~var_1_4~0 c_~var_1_5~0))) (or (and .cse3 (= c_~var_1_1~0 (fp.sub c_currentRoundingMode c_~var_1_4~0 c_~var_1_6~0))) (and (not .cse3) (= c_~var_1_1~0 (fp.sub c_currentRoundingMode c_~var_1_5~0 c_~var_1_6~0))))) (fp.geq c_~var_1_4~0 .cse4) (fp.leq c_~var_1_4~0 .cse0) (fp.geq c_~var_1_6~0 .cse4) (fp.geq c_~var_1_5~0 .cse4) (fp.leq c_~var_1_6~0 .cse0) (or (and (fp.geq c_~var_1_8~0 .cse5) (fp.leq c_~var_1_8~0 .cse6)) (and (fp.geq c_~var_1_8~0 .cse7) (fp.leq c_~var_1_8~0 .cse8))) (= (bvadd c_~var_1_15~0 (_ bv64 32)) (_ bv0 32)) (or (and (fp.leq c_~var_1_9~0 .cse8) (fp.geq c_~var_1_9~0 .cse7)) (and (fp.geq c_~var_1_9~0 .cse5) (fp.leq c_~var_1_9~0 .cse6))) (= c_currentRoundingMode roundNearestTiesToEven)))) is different from true