./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-1loop_file-28.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_412306b0-390f-4544-b453-addcc076ad87/bin/utaipan-verify-sOmjnqqW8E/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_412306b0-390f-4544-b453-addcc076ad87/bin/utaipan-verify-sOmjnqqW8E/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_412306b0-390f-4544-b453-addcc076ad87/bin/utaipan-verify-sOmjnqqW8E/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_412306b0-390f-4544-b453-addcc076ad87/bin/utaipan-verify-sOmjnqqW8E/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-1loop_file-28.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_412306b0-390f-4544-b453-addcc076ad87/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_412306b0-390f-4544-b453-addcc076ad87/bin/utaipan-verify-sOmjnqqW8E --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash eb9514c110f30441b6230f99cfb64804f1f8af1bad5cb610cf0e2a87b7fd20e1 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-14 03:20:32,949 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-14 03:20:33,108 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_412306b0-390f-4544-b453-addcc076ad87/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Reach-32bit-Taipan_Default.epf [2024-11-14 03:20:33,118 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-14 03:20:33,119 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-14 03:20:33,160 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-14 03:20:33,162 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-14 03:20:33,162 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-14 03:20:33,163 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-14 03:20:33,163 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-14 03:20:33,163 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-14 03:20:33,164 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-14 03:20:33,164 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-14 03:20:33,164 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-14 03:20:33,165 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-14 03:20:33,165 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-14 03:20:33,165 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-14 03:20:33,165 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-14 03:20:33,166 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-14 03:20:33,166 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-14 03:20:33,166 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-14 03:20:33,166 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-14 03:20:33,167 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-14 03:20:33,168 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-14 03:20:33,168 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-14 03:20:33,168 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-14 03:20:33,168 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-14 03:20:33,169 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-14 03:20:33,169 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-14 03:20:33,169 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-14 03:20:33,170 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-14 03:20:33,170 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-14 03:20:33,170 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-14 03:20:33,170 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-14 03:20:33,170 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-14 03:20:33,171 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-14 03:20:33,171 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-14 03:20:33,171 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-14 03:20:33,172 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 03:20:33,172 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-14 03:20:33,172 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-14 03:20:33,172 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-14 03:20:33,173 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-14 03:20:33,173 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-14 03:20:33,173 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-14 03:20:33,174 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-14 03:20:33,174 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-14 03:20:33,174 INFO L153 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_412306b0-390f-4544-b453-addcc076ad87/bin/utaipan-verify-sOmjnqqW8E Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan 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 -> eb9514c110f30441b6230f99cfb64804f1f8af1bad5cb610cf0e2a87b7fd20e1 [2024-11-14 03:20:33,698 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-14 03:20:33,725 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-14 03:20:33,733 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-14 03:20:33,738 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-14 03:20:33,739 INFO L274 PluginConnector]: CDTParser initialized [2024-11-14 03:20:33,741 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_412306b0-390f-4544-b453-addcc076ad87/bin/utaipan-verify-sOmjnqqW8E/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-1loop_file-28.i Unable to find full path for "g++" [2024-11-14 03:20:37,130 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-14 03:20:37,664 INFO L384 CDTParser]: Found 1 translation units. [2024-11-14 03:20:37,668 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_412306b0-390f-4544-b453-addcc076ad87/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-1loop_file-28.i [2024-11-14 03:20:37,704 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_412306b0-390f-4544-b453-addcc076ad87/bin/utaipan-verify-sOmjnqqW8E/data/042e83d9d/8900fb7642704b84941f0b0b7398ead5/FLAGa2cbac834 [2024-11-14 03:20:37,758 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_412306b0-390f-4544-b453-addcc076ad87/bin/utaipan-verify-sOmjnqqW8E/data/042e83d9d/8900fb7642704b84941f0b0b7398ead5 [2024-11-14 03:20:37,762 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-14 03:20:37,765 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-14 03:20:37,768 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-14 03:20:37,768 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-14 03:20:37,777 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-14 03:20:37,778 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 03:20:37" (1/1) ... [2024-11-14 03:20:37,780 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5a445441 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:20:37, skipping insertion in model container [2024-11-14 03:20:37,780 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 03:20:37" (1/1) ... [2024-11-14 03:20:37,823 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-14 03:20:38,122 WARN L250 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_412306b0-390f-4544-b453-addcc076ad87/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-1loop_file-28.i[915,928] [2024-11-14 03:20:38,329 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 03:20:38,359 INFO L200 MainTranslator]: Completed pre-run [2024-11-14 03:20:38,380 WARN L250 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_412306b0-390f-4544-b453-addcc076ad87/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-1loop_file-28.i[915,928] [2024-11-14 03:20:38,463 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 03:20:38,491 INFO L204 MainTranslator]: Completed translation [2024-11-14 03:20:38,492 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:20:38 WrapperNode [2024-11-14 03:20:38,492 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-14 03:20:38,494 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-14 03:20:38,494 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-14 03:20:38,494 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-14 03:20:38,507 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:20:38" (1/1) ... [2024-11-14 03:20:38,525 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:20:38" (1/1) ... [2024-11-14 03:20:38,596 INFO L138 Inliner]: procedures = 26, calls = 35, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 176 [2024-11-14 03:20:38,596 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-14 03:20:38,597 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-14 03:20:38,598 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-14 03:20:38,599 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-14 03:20:38,610 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:20:38" (1/1) ... [2024-11-14 03:20:38,610 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:20:38" (1/1) ... [2024-11-14 03:20:38,618 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:20:38" (1/1) ... [2024-11-14 03:20:38,623 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:20:38" (1/1) ... [2024-11-14 03:20:38,644 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:20:38" (1/1) ... [2024-11-14 03:20:38,649 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:20:38" (1/1) ... [2024-11-14 03:20:38,653 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:20:38" (1/1) ... [2024-11-14 03:20:38,656 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:20:38" (1/1) ... [2024-11-14 03:20:38,662 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-14 03:20:38,663 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-14 03:20:38,663 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-14 03:20:38,664 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-14 03:20:38,665 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:20:38" (1/1) ... [2024-11-14 03:20:38,677 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 03:20:38,698 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_412306b0-390f-4544-b453-addcc076ad87/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 03:20:38,717 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_412306b0-390f-4544-b453-addcc076ad87/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-14 03:20:38,722 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_412306b0-390f-4544-b453-addcc076ad87/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-14 03:20:38,757 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-14 03:20:38,758 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-14 03:20:38,758 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-14 03:20:38,758 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-14 03:20:38,758 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-14 03:20:38,758 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-14 03:20:38,914 INFO L238 CfgBuilder]: Building ICFG [2024-11-14 03:20:38,917 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-14 03:20:39,594 INFO L? ?]: Removed 23 outVars from TransFormulas that were not future-live. [2024-11-14 03:20:39,594 INFO L287 CfgBuilder]: Performing block encoding [2024-11-14 03:20:39,916 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-14 03:20:39,917 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-14 03:20:39,918 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 03:20:39 BoogieIcfgContainer [2024-11-14 03:20:39,918 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-14 03:20:39,922 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-14 03:20:39,923 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-14 03:20:39,929 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-14 03:20:39,930 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.11 03:20:37" (1/3) ... [2024-11-14 03:20:39,931 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c93323a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 03:20:39, skipping insertion in model container [2024-11-14 03:20:39,932 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:20:38" (2/3) ... [2024-11-14 03:20:39,932 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c93323a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 03:20:39, skipping insertion in model container [2024-11-14 03:20:39,933 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 03:20:39" (3/3) ... [2024-11-14 03:20:39,935 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_50-1loop_file-28.i [2024-11-14 03:20:39,955 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-14 03:20:39,957 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_loopvsstraightlinecode_50-1loop_file-28.i that has 2 procedures, 44 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-14 03:20:40,048 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-14 03:20:40,076 INFO L333 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, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@5bb36ddb, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-14 03:20:40,078 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-14 03:20:40,084 INFO L276 IsEmpty]: Start isEmpty. Operand has 44 states, 19 states have (on average 1.1578947368421053) internal successors, (22), 20 states have internal predecessors, (22), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2024-11-14 03:20:40,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2024-11-14 03:20:40,100 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 03:20:40,101 INFO L215 NwaCegarLoop]: trace histogram [22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 03:20:40,101 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 03:20:40,110 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 03:20:40,111 INFO L85 PathProgramCache]: Analyzing trace with hash -1223044521, now seen corresponding path program 1 times [2024-11-14 03:20:40,122 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 03:20:40,123 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [151406966] [2024-11-14 03:20:40,124 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:20:40,125 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 03:20:40,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-14 03:20:40,751 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1710976064] [2024-11-14 03:20:40,751 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:20:40,752 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 03:20:40,752 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_412306b0-390f-4544-b453-addcc076ad87/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 03:20:40,755 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_412306b0-390f-4544-b453-addcc076ad87/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-14 03:20:40,759 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_412306b0-390f-4544-b453-addcc076ad87/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-14 03:20:41,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-14 03:20:41,177 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-14 03:20:41,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-14 03:20:41,567 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2024-11-14 03:20:41,571 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-14 03:20:41,573 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-14 03:20:41,588 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_412306b0-390f-4544-b453-addcc076ad87/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-14 03:20:41,778 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_412306b0-390f-4544-b453-addcc076ad87/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 03:20:41,787 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-14 03:20:41,972 INFO L173 ceAbstractionStarter]: Computing trace abstraction results [2024-11-14 03:20:41,980 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.11 03:20:41 BoogieIcfgContainer [2024-11-14 03:20:41,981 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-14 03:20:41,982 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-14 03:20:41,982 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-14 03:20:41,982 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-14 03:20:41,984 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 03:20:39" (3/4) ... [2024-11-14 03:20:41,987 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-14 03:20:41,989 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-14 03:20:41,990 INFO L158 Benchmark]: Toolchain (without parser) took 4225.49ms. Allocated memory is still 117.4MB. Free memory was 94.5MB in the beginning and 70.5MB in the end (delta: 24.0MB). Peak memory consumption was 25.9MB. Max. memory is 16.1GB. [2024-11-14 03:20:41,991 INFO L158 Benchmark]: CDTParser took 0.77ms. Allocated memory is still 142.6MB. Free memory is still 79.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 03:20:41,991 INFO L158 Benchmark]: CACSL2BoogieTranslator took 725.15ms. Allocated memory is still 117.4MB. Free memory was 94.5MB in the beginning and 78.9MB in the end (delta: 15.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-14 03:20:41,992 INFO L158 Benchmark]: Boogie Procedure Inliner took 103.15ms. Allocated memory is still 117.4MB. Free memory was 78.6MB in the beginning and 73.4MB in the end (delta: 5.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 03:20:41,996 INFO L158 Benchmark]: Boogie Preprocessor took 64.99ms. Allocated memory is still 117.4MB. Free memory was 73.4MB in the beginning and 71.3MB in the end (delta: 2.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-14 03:20:41,997 INFO L158 Benchmark]: RCFGBuilder took 1254.85ms. Allocated memory is still 117.4MB. Free memory was 71.3MB in the beginning and 73.4MB in the end (delta: -2.1MB). Peak memory consumption was 39.2MB. Max. memory is 16.1GB. [2024-11-14 03:20:41,998 INFO L158 Benchmark]: TraceAbstraction took 2059.02ms. Allocated memory is still 117.4MB. Free memory was 72.9MB in the beginning and 70.5MB in the end (delta: 2.4MB). Peak memory consumption was 3.4MB. Max. memory is 16.1GB. [2024-11-14 03:20:41,999 INFO L158 Benchmark]: Witness Printer took 6.96ms. Allocated memory is still 117.4MB. Free memory was 70.5MB in the beginning and 70.5MB in the end (delta: 11.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 03:20:42,004 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.77ms. Allocated memory is still 142.6MB. Free memory is still 79.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 725.15ms. Allocated memory is still 117.4MB. Free memory was 94.5MB in the beginning and 78.9MB in the end (delta: 15.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 103.15ms. Allocated memory is still 117.4MB. Free memory was 78.6MB in the beginning and 73.4MB in the end (delta: 5.3MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 64.99ms. Allocated memory is still 117.4MB. Free memory was 73.4MB in the beginning and 71.3MB in the end (delta: 2.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 1254.85ms. Allocated memory is still 117.4MB. Free memory was 71.3MB in the beginning and 73.4MB in the end (delta: -2.1MB). Peak memory consumption was 39.2MB. Max. memory is 16.1GB. * TraceAbstraction took 2059.02ms. Allocated memory is still 117.4MB. Free memory was 72.9MB in the beginning and 70.5MB in the end (delta: 2.4MB). Peak memory consumption was 3.4MB. Max. memory is 16.1GB. * Witness Printer took 6.96ms. Allocated memory is still 117.4MB. Free memory was 70.5MB in the beginning and 70.5MB in the end (delta: 11.7kB). 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 shiftLeft at line 95, overapproximation of someBinaryFLOATComparisonOperation at line 134, overapproximation of someBinaryFLOATComparisonOperation at line 130, overapproximation of someBinaryFLOATComparisonOperation at line 143, overapproximation of someBinaryFLOATComparisonOperation at line 132, overapproximation of someBinaryDOUBLEComparisonOperation at line 128, overapproximation of someBinaryDOUBLEComparisonOperation at line 143, overapproximation of someBinaryArithmeticFLOAToperation at line 76. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned short int var_1_1 = 4; [L23] unsigned char var_1_6 = 4; [L24] unsigned char var_1_7 = 2; [L25] unsigned char var_1_8 = 128; [L26] unsigned char var_1_9 = 0; [L27] unsigned char var_1_10 = 100; [L28] signed short int var_1_11 = 10; [L29] unsigned char var_1_12 = 1; [L30] unsigned char var_1_13 = 1; [L31] unsigned char var_1_14 = 0; [L32] signed long int var_1_15 = 128; [L33] unsigned char var_1_16 = 128; [L34] unsigned char var_1_17 = 5; [L35] double var_1_18 = 3.6; [L36] double var_1_19 = 31.45; [L37] float var_1_20 = 50.25; [L38] float var_1_21 = 9.8; [L39] float var_1_22 = 4.65; [L40] float var_1_23 = 99.65; [L41] unsigned short int last_1_var_1_1 = 4; [L42] unsigned char last_1_var_1_6 = 4; [L43] signed short int last_1_var_1_11 = 10; [L44] signed long int last_1_var_1_15 = 128; [L147] isInitial = 1 [L148] FCALL initially() [L149] int k_loop; [L150] k_loop = 0 VAL [isInitial=1, k_loop=0, last_1_var_1_11=10, last_1_var_1_15=128, last_1_var_1_1=4, last_1_var_1_6=4, var_1_10=100, var_1_11=10, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=5, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_6=4, var_1_7=2, var_1_8=128, var_1_9=0] [L150] COND TRUE k_loop < 1 [L151] CALL updateLastVariables() [L137] last_1_var_1_1 = var_1_1 [L138] last_1_var_1_6 = var_1_6 [L139] last_1_var_1_11 = var_1_11 [L140] last_1_var_1_15 = var_1_15 [L151] RET updateLastVariables() [L152] CALL updateVariables() [L100] var_1_7 = __VERIFIER_nondet_uchar() [L101] CALL assume_abort_if_not(var_1_7 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=10, last_1_var_1_15=128, last_1_var_1_1=4, last_1_var_1_6=4, var_1_10=100, var_1_11=10, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=5, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_6=4, var_1_8=128, var_1_9=0] [L20] COND FALSE !(!cond) [L101] RET assume_abort_if_not(var_1_7 >= 0) VAL [isInitial=1, last_1_var_1_11=10, last_1_var_1_15=128, last_1_var_1_1=4, last_1_var_1_6=4, var_1_10=100, var_1_11=10, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=5, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_6=4, var_1_8=128, var_1_9=0] [L102] CALL assume_abort_if_not(var_1_7 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=10, last_1_var_1_15=128, last_1_var_1_1=4, last_1_var_1_6=4, var_1_10=100, var_1_11=10, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=5, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_6=4, var_1_7=1, var_1_8=128, var_1_9=0] [L20] COND FALSE !(!cond) [L102] RET assume_abort_if_not(var_1_7 <= 254) VAL [isInitial=1, last_1_var_1_11=10, last_1_var_1_15=128, last_1_var_1_1=4, last_1_var_1_6=4, var_1_10=100, var_1_11=10, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=5, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_6=4, var_1_7=1, var_1_8=128, var_1_9=0] [L103] var_1_8 = __VERIFIER_nondet_uchar() [L104] CALL assume_abort_if_not(var_1_8 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=10, last_1_var_1_15=128, last_1_var_1_1=4, last_1_var_1_6=4, var_1_10=100, var_1_11=10, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=5, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_6=4, var_1_7=1, var_1_9=0] [L20] COND FALSE !(!cond) [L104] RET assume_abort_if_not(var_1_8 >= 0) VAL [isInitial=1, last_1_var_1_11=10, last_1_var_1_15=128, last_1_var_1_1=4, last_1_var_1_6=4, var_1_10=100, var_1_11=10, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=5, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_6=4, var_1_7=1, var_1_9=0] [L105] CALL assume_abort_if_not(var_1_8 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=10, last_1_var_1_15=128, last_1_var_1_1=4, last_1_var_1_6=4, var_1_10=100, var_1_11=10, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=5, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_6=4, var_1_7=1, var_1_8=-255, var_1_9=0] [L20] COND FALSE !(!cond) [L105] RET assume_abort_if_not(var_1_8 <= 254) VAL [isInitial=1, last_1_var_1_11=10, last_1_var_1_15=128, last_1_var_1_1=4, last_1_var_1_6=4, var_1_10=100, var_1_11=10, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=5, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_6=4, var_1_7=1, var_1_8=-255, var_1_9=0] [L106] var_1_9 = __VERIFIER_nondet_uchar() [L107] CALL assume_abort_if_not(var_1_9 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=10, last_1_var_1_15=128, last_1_var_1_1=4, last_1_var_1_6=4, var_1_10=100, var_1_11=10, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=5, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_6=4, var_1_7=1, var_1_8=-255] [L20] COND FALSE !(!cond) [L107] RET assume_abort_if_not(var_1_9 >= 0) VAL [isInitial=1, last_1_var_1_11=10, last_1_var_1_15=128, last_1_var_1_1=4, last_1_var_1_6=4, var_1_10=100, var_1_11=10, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=5, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_6=4, var_1_7=1, var_1_8=-255] [L108] CALL assume_abort_if_not(var_1_9 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=10, last_1_var_1_15=128, last_1_var_1_1=4, last_1_var_1_6=4, var_1_10=100, var_1_11=10, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=5, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_6=4, var_1_7=1, var_1_8=-255, var_1_9=0] [L20] COND FALSE !(!cond) [L108] RET assume_abort_if_not(var_1_9 <= 254) VAL [isInitial=1, last_1_var_1_11=10, last_1_var_1_15=128, last_1_var_1_1=4, last_1_var_1_6=4, var_1_10=100, var_1_11=10, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=5, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_6=4, var_1_7=1, var_1_8=-255, var_1_9=0] [L109] var_1_10 = __VERIFIER_nondet_uchar() [L110] CALL assume_abort_if_not(var_1_10 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=10, last_1_var_1_15=128, last_1_var_1_1=4, last_1_var_1_6=4, var_1_11=10, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=5, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_6=4, var_1_7=1, var_1_8=-255, var_1_9=0] [L20] COND FALSE !(!cond) [L110] RET assume_abort_if_not(var_1_10 >= 0) VAL [isInitial=1, last_1_var_1_11=10, last_1_var_1_15=128, last_1_var_1_1=4, last_1_var_1_6=4, var_1_11=10, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=5, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_6=4, var_1_7=1, var_1_8=-255, var_1_9=0] [L111] CALL assume_abort_if_not(var_1_10 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=10, last_1_var_1_15=128, last_1_var_1_1=4, last_1_var_1_6=4, var_1_10=-254, var_1_11=10, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=5, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_6=4, var_1_7=1, var_1_8=-255, var_1_9=0] [L20] COND FALSE !(!cond) [L111] RET assume_abort_if_not(var_1_10 <= 254) VAL [isInitial=1, last_1_var_1_11=10, last_1_var_1_15=128, last_1_var_1_1=4, last_1_var_1_6=4, var_1_10=-254, var_1_11=10, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=5, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_6=4, var_1_7=1, var_1_8=-255, var_1_9=0] [L112] var_1_12 = __VERIFIER_nondet_uchar() [L113] CALL assume_abort_if_not(var_1_12 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=10, last_1_var_1_15=128, last_1_var_1_1=4, last_1_var_1_6=4, var_1_10=-254, var_1_11=10, var_1_13=1, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=5, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_6=4, var_1_7=1, var_1_8=-255, var_1_9=0] [L20] COND FALSE !(!cond) [L113] RET assume_abort_if_not(var_1_12 >= 0) VAL [isInitial=1, last_1_var_1_11=10, last_1_var_1_15=128, last_1_var_1_1=4, last_1_var_1_6=4, var_1_10=-254, var_1_11=10, var_1_13=1, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=5, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_6=4, var_1_7=1, var_1_8=-255, var_1_9=0] [L114] CALL assume_abort_if_not(var_1_12 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=10, last_1_var_1_15=128, last_1_var_1_1=4, last_1_var_1_6=4, var_1_10=-254, var_1_11=10, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=5, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_6=4, var_1_7=1, var_1_8=-255, var_1_9=0] [L20] COND FALSE !(!cond) [L114] RET assume_abort_if_not(var_1_12 <= 1) VAL [isInitial=1, last_1_var_1_11=10, last_1_var_1_15=128, last_1_var_1_1=4, last_1_var_1_6=4, var_1_10=-254, var_1_11=10, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=5, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_6=4, var_1_7=1, var_1_8=-255, var_1_9=0] [L115] var_1_13 = __VERIFIER_nondet_uchar() [L116] CALL assume_abort_if_not(var_1_13 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=10, last_1_var_1_15=128, last_1_var_1_1=4, last_1_var_1_6=4, var_1_10=-254, var_1_11=10, var_1_12=1, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=5, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_6=4, var_1_7=1, var_1_8=-255, var_1_9=0] [L20] COND FALSE !(!cond) [L116] RET assume_abort_if_not(var_1_13 >= 0) VAL [isInitial=1, last_1_var_1_11=10, last_1_var_1_15=128, last_1_var_1_1=4, last_1_var_1_6=4, var_1_10=-254, var_1_11=10, var_1_12=1, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=5, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_6=4, var_1_7=1, var_1_8=-255, var_1_9=0] [L117] CALL assume_abort_if_not(var_1_13 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=10, last_1_var_1_15=128, last_1_var_1_1=4, last_1_var_1_6=4, var_1_10=-254, var_1_11=10, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=5, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_6=4, var_1_7=1, var_1_8=-255, var_1_9=0] [L20] COND FALSE !(!cond) [L117] RET assume_abort_if_not(var_1_13 <= 1) VAL [isInitial=1, last_1_var_1_11=10, last_1_var_1_15=128, last_1_var_1_1=4, last_1_var_1_6=4, var_1_10=-254, var_1_11=10, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=5, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_6=4, var_1_7=1, var_1_8=-255, var_1_9=0] [L118] var_1_14 = __VERIFIER_nondet_uchar() [L119] CALL assume_abort_if_not(var_1_14 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=10, last_1_var_1_15=128, last_1_var_1_1=4, last_1_var_1_6=4, var_1_10=-254, var_1_11=10, var_1_12=1, var_1_13=1, var_1_15=128, var_1_16=128, var_1_17=5, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_6=4, var_1_7=1, var_1_8=-255, var_1_9=0] [L20] COND FALSE !(!cond) [L119] RET assume_abort_if_not(var_1_14 >= 0) VAL [isInitial=1, last_1_var_1_11=10, last_1_var_1_15=128, last_1_var_1_1=4, last_1_var_1_6=4, var_1_10=-254, var_1_11=10, var_1_12=1, var_1_13=1, var_1_15=128, var_1_16=128, var_1_17=5, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_6=4, var_1_7=1, var_1_8=-255, var_1_9=0] [L120] CALL assume_abort_if_not(var_1_14 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=10, last_1_var_1_15=128, last_1_var_1_1=4, last_1_var_1_6=4, var_1_10=-254, var_1_11=10, var_1_12=1, var_1_13=1, var_1_14=1, var_1_15=128, var_1_16=128, var_1_17=5, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_6=4, var_1_7=1, var_1_8=-255, var_1_9=0] [L20] COND FALSE !(!cond) [L120] RET assume_abort_if_not(var_1_14 <= 1) VAL [isInitial=1, last_1_var_1_11=10, last_1_var_1_15=128, last_1_var_1_1=4, last_1_var_1_6=4, var_1_10=-254, var_1_11=10, var_1_12=1, var_1_13=1, var_1_14=1, var_1_15=128, var_1_16=128, var_1_17=5, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_6=4, var_1_7=1, var_1_8=-255, var_1_9=0] [L121] var_1_16 = __VERIFIER_nondet_uchar() [L122] CALL assume_abort_if_not(var_1_16 >= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=10, last_1_var_1_15=128, last_1_var_1_1=4, last_1_var_1_6=4, var_1_10=-254, var_1_11=10, var_1_12=1, var_1_13=1, var_1_14=1, var_1_15=128, var_1_16=128, var_1_17=5, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_6=4, var_1_7=1, var_1_8=-255, var_1_9=0] [L20] COND FALSE !(!cond) [L122] RET assume_abort_if_not(var_1_16 >= 127) VAL [isInitial=1, last_1_var_1_11=10, last_1_var_1_15=128, last_1_var_1_1=4, last_1_var_1_6=4, var_1_10=-254, var_1_11=10, var_1_12=1, var_1_13=1, var_1_14=1, var_1_15=128, var_1_16=128, var_1_17=5, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_6=4, var_1_7=1, var_1_8=-255, var_1_9=0] [L123] CALL assume_abort_if_not(var_1_16 <= 255) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=10, last_1_var_1_15=128, last_1_var_1_1=4, last_1_var_1_6=4, var_1_10=-254, var_1_11=10, var_1_12=1, var_1_13=1, var_1_14=1, var_1_15=128, var_1_16=128, var_1_17=5, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_6=4, var_1_7=1, var_1_8=-255, var_1_9=0] [L20] COND FALSE !(!cond) [L123] RET assume_abort_if_not(var_1_16 <= 255) VAL [isInitial=1, last_1_var_1_11=10, last_1_var_1_15=128, last_1_var_1_1=4, last_1_var_1_6=4, var_1_10=-254, var_1_11=10, var_1_12=1, var_1_13=1, var_1_14=1, var_1_15=128, var_1_16=128, var_1_17=5, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_6=4, var_1_7=1, var_1_8=-255, var_1_9=0] [L124] var_1_17 = __VERIFIER_nondet_uchar() [L125] CALL assume_abort_if_not(var_1_17 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=10, last_1_var_1_15=128, last_1_var_1_1=4, last_1_var_1_6=4, var_1_10=-254, var_1_11=10, var_1_12=1, var_1_13=1, var_1_14=1, var_1_15=128, var_1_16=128, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_6=4, var_1_7=1, var_1_8=-255, var_1_9=0] [L20] COND FALSE !(!cond) [L125] RET assume_abort_if_not(var_1_17 >= 0) VAL [isInitial=1, last_1_var_1_11=10, last_1_var_1_15=128, last_1_var_1_1=4, last_1_var_1_6=4, var_1_10=-254, var_1_11=10, var_1_12=1, var_1_13=1, var_1_14=1, var_1_15=128, var_1_16=128, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_6=4, var_1_7=1, var_1_8=-255, var_1_9=0] [L126] CALL assume_abort_if_not(var_1_17 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=10, last_1_var_1_15=128, last_1_var_1_1=4, last_1_var_1_6=4, var_1_10=-254, var_1_11=10, var_1_12=1, var_1_13=1, var_1_14=1, var_1_15=128, var_1_16=128, var_1_17=127, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_6=4, var_1_7=1, var_1_8=-255, var_1_9=0] [L20] COND FALSE !(!cond) [L126] RET assume_abort_if_not(var_1_17 <= 127) VAL [isInitial=1, last_1_var_1_11=10, last_1_var_1_15=128, last_1_var_1_1=4, last_1_var_1_6=4, var_1_10=-254, var_1_11=10, var_1_12=1, var_1_13=1, var_1_14=1, var_1_15=128, var_1_16=128, var_1_17=127, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_6=4, var_1_7=1, var_1_8=-255, var_1_9=0] [L127] var_1_19 = __VERIFIER_nondet_double() [L128] CALL assume_abort_if_not((var_1_19 >= -922337.2036854765600e+13F && var_1_19 <= -1.0e-20F) || (var_1_19 <= 9223372.036854765600e+12F && var_1_19 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=10, last_1_var_1_15=128, last_1_var_1_1=4, last_1_var_1_6=4, var_1_10=-254, var_1_11=10, var_1_12=1, var_1_13=1, var_1_14=1, var_1_15=128, var_1_16=128, var_1_17=127, var_1_18=18/5, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_6=4, var_1_7=1, var_1_8=-255, var_1_9=0] [L20] COND FALSE !(!cond) [L128] RET assume_abort_if_not((var_1_19 >= -922337.2036854765600e+13F && var_1_19 <= -1.0e-20F) || (var_1_19 <= 9223372.036854765600e+12F && var_1_19 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_11=10, last_1_var_1_15=128, last_1_var_1_1=4, last_1_var_1_6=4, var_1_10=-254, var_1_11=10, var_1_12=1, var_1_13=1, var_1_14=1, var_1_15=128, var_1_16=128, var_1_17=127, var_1_18=18/5, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_6=4, var_1_7=1, var_1_8=-255, var_1_9=0] [L129] var_1_21 = __VERIFIER_nondet_float() [L130] CALL assume_abort_if_not((var_1_21 >= -461168.6018427382800e+13F && var_1_21 <= -1.0e-20F) || (var_1_21 <= 4611686.018427382800e+12F && var_1_21 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=10, last_1_var_1_15=128, last_1_var_1_1=4, last_1_var_1_6=4, var_1_10=-254, var_1_11=10, var_1_12=1, var_1_13=1, var_1_14=1, var_1_15=128, var_1_16=128, var_1_17=127, var_1_18=18/5, var_1_1=4, var_1_20=201/4, var_1_22=93/20, var_1_23=1993/20, var_1_6=4, var_1_7=1, var_1_8=-255, var_1_9=0] [L20] COND FALSE !(!cond) [L130] RET assume_abort_if_not((var_1_21 >= -461168.6018427382800e+13F && var_1_21 <= -1.0e-20F) || (var_1_21 <= 4611686.018427382800e+12F && var_1_21 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_11=10, last_1_var_1_15=128, last_1_var_1_1=4, last_1_var_1_6=4, var_1_10=-254, var_1_11=10, var_1_12=1, var_1_13=1, var_1_14=1, var_1_15=128, var_1_16=128, var_1_17=127, var_1_18=18/5, var_1_1=4, var_1_20=201/4, var_1_22=93/20, var_1_23=1993/20, var_1_6=4, var_1_7=1, var_1_8=-255, var_1_9=0] [L131] var_1_22 = __VERIFIER_nondet_float() [L132] CALL assume_abort_if_not((var_1_22 >= -461168.6018427382800e+13F && var_1_22 <= -1.0e-20F) || (var_1_22 <= 4611686.018427382800e+12F && var_1_22 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=10, last_1_var_1_15=128, last_1_var_1_1=4, last_1_var_1_6=4, var_1_10=-254, var_1_11=10, var_1_12=1, var_1_13=1, var_1_14=1, var_1_15=128, var_1_16=128, var_1_17=127, var_1_18=18/5, var_1_1=4, var_1_20=201/4, var_1_23=1993/20, var_1_6=4, var_1_7=1, var_1_8=-255, var_1_9=0] [L20] COND FALSE !(!cond) [L132] RET assume_abort_if_not((var_1_22 >= -461168.6018427382800e+13F && var_1_22 <= -1.0e-20F) || (var_1_22 <= 4611686.018427382800e+12F && var_1_22 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_11=10, last_1_var_1_15=128, last_1_var_1_1=4, last_1_var_1_6=4, var_1_10=-254, var_1_11=10, var_1_12=1, var_1_13=1, var_1_14=1, var_1_15=128, var_1_16=128, var_1_17=127, var_1_18=18/5, var_1_1=4, var_1_20=201/4, var_1_23=1993/20, var_1_6=4, var_1_7=1, var_1_8=-255, var_1_9=0] [L133] var_1_23 = __VERIFIER_nondet_float() [L134] CALL assume_abort_if_not((var_1_23 >= -461168.6018427382800e+13F && var_1_23 <= -1.0e-20F) || (var_1_23 <= 4611686.018427382800e+12F && var_1_23 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=10, last_1_var_1_15=128, last_1_var_1_1=4, last_1_var_1_6=4, var_1_10=-254, var_1_11=10, var_1_12=1, var_1_13=1, var_1_14=1, var_1_15=128, var_1_16=128, var_1_17=127, var_1_18=18/5, var_1_1=4, var_1_20=201/4, var_1_6=4, var_1_7=1, var_1_8=-255, var_1_9=0] [L20] COND FALSE !(!cond) [L134] RET assume_abort_if_not((var_1_23 >= -461168.6018427382800e+13F && var_1_23 <= -1.0e-20F) || (var_1_23 <= 4611686.018427382800e+12F && var_1_23 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_11=10, last_1_var_1_15=128, last_1_var_1_1=4, last_1_var_1_6=4, var_1_10=-254, var_1_11=10, var_1_12=1, var_1_13=1, var_1_14=1, var_1_15=128, var_1_16=128, var_1_17=127, var_1_18=18/5, var_1_1=4, var_1_20=201/4, var_1_6=4, var_1_7=1, var_1_8=-255, var_1_9=0] [L152] RET updateVariables() [L153] CALL step() [L48] unsigned char stepLocal_2 = var_1_14; [L49] COND TRUE \read(var_1_12) [L50] COND TRUE \read(var_1_13) [L51] COND TRUE (last_1_var_1_6 > (~ var_1_10)) && stepLocal_2 [L52] var_1_11 = ((((var_1_8) > ((var_1_10 + last_1_var_1_15))) ? (var_1_8) : ((var_1_10 + last_1_var_1_15)))) [L62] signed long int stepLocal_1 = last_1_var_1_1; [L63] COND TRUE stepLocal_1 < 5 [L64] var_1_6 = ((((((((((((var_1_7) < (var_1_8)) ? (var_1_7) : (var_1_8)))) < (var_1_9)) ? (((((var_1_7) < (var_1_8)) ? (var_1_7) : (var_1_8)))) : (var_1_9)))) > (var_1_10)) ? (((((((((var_1_7) < (var_1_8)) ? (var_1_7) : (var_1_8)))) < (var_1_9)) ? (((((var_1_7) < (var_1_8)) ? (var_1_7) : (var_1_8)))) : (var_1_9)))) : (var_1_10))) [L68] unsigned char stepLocal_0 = var_1_6; [L69] COND FALSE !(var_1_11 <= stepLocal_0) [L72] signed long int stepLocal_5 = 0; [L73] COND TRUE \read(var_1_13) [L74] COND TRUE \read(var_1_14) [L75] COND TRUE \read(var_1_12) [L76] var_1_20 = (var_1_21 + ((((var_1_22) > (var_1_23)) ? (var_1_22) : (var_1_23)))) [L88] unsigned char stepLocal_3 = var_1_6; [L89] COND FALSE !(stepLocal_3 <= (((((128) > (var_1_16)) ? (128) : (var_1_16))) - var_1_17)) [L92] var_1_15 = var_1_11 [L94] unsigned short int stepLocal_4 = var_1_1; [L95] EXPR 200 << var_1_15 [L95] COND FALSE !(((200 << var_1_15) * (var_1_17 * var_1_7)) < stepLocal_4) [L153] RET step() [L154] CALL, EXPR property() [L143] EXPR (((((var_1_11 <= var_1_6) ? (var_1_1 == ((unsigned short int) ((((((((var_1_11) < (((((var_1_6) > (var_1_6)) ? (var_1_6) : (var_1_6))))) ? (var_1_11) : (((((var_1_6) > (var_1_6)) ? (var_1_6) : (var_1_6))))))) > (var_1_6)) ? (((((var_1_11) < (((((var_1_6) > (var_1_6)) ? (var_1_6) : (var_1_6))))) ? (var_1_11) : (((((var_1_6) > (var_1_6)) ? (var_1_6) : (var_1_6))))))) : (var_1_6))))) : 1) && ((last_1_var_1_1 < 5) ? (var_1_6 == ((unsigned char) ((((((((((((var_1_7) < (var_1_8)) ? (var_1_7) : (var_1_8)))) < (var_1_9)) ? (((((var_1_7) < (var_1_8)) ? (var_1_7) : (var_1_8)))) : (var_1_9)))) > (var_1_10)) ? (((((((((var_1_7) < (var_1_8)) ? (var_1_7) : (var_1_8)))) < (var_1_9)) ? (((((var_1_7) < (var_1_8)) ? (var_1_7) : (var_1_8)))) : (var_1_9)))) : (var_1_10))))) : (var_1_6 == ((unsigned char) var_1_10)))) && (var_1_12 ? (var_1_13 ? (((last_1_var_1_6 > (~ var_1_10)) && var_1_14) ? (var_1_11 == ((signed short int) ((((var_1_8) > ((var_1_10 + last_1_var_1_15))) ? (var_1_8) : ((var_1_10 + last_1_var_1_15)))))) : (var_1_11 == ((signed short int) last_1_var_1_6))) : (var_1_11 == ((signed short int) var_1_8))) : (var_1_11 == ((signed short int) last_1_var_1_11)))) && ((var_1_6 <= (((((128) > (var_1_16)) ? (128) : (var_1_16))) - var_1_17)) ? (var_1_15 == ((signed long int) (((((var_1_6 - var_1_6)) > (((((var_1_8) < (var_1_7)) ? (var_1_8) : (var_1_7))))) ? ((var_1_6 - var_1_6)) : (((((var_1_8) < (var_1_7)) ? (var_1_8) : (var_1_7)))))))) : (var_1_15 == ((signed long int) var_1_11)))) && ((((200 << var_1_15) * (var_1_17 * var_1_7)) < var_1_1) ? (var_1_18 == ((double) var_1_19)) : 1) [L143] EXPR 200 << var_1_15 [L143] EXPR (((((var_1_11 <= var_1_6) ? (var_1_1 == ((unsigned short int) ((((((((var_1_11) < (((((var_1_6) > (var_1_6)) ? (var_1_6) : (var_1_6))))) ? (var_1_11) : (((((var_1_6) > (var_1_6)) ? (var_1_6) : (var_1_6))))))) > (var_1_6)) ? (((((var_1_11) < (((((var_1_6) > (var_1_6)) ? (var_1_6) : (var_1_6))))) ? (var_1_11) : (((((var_1_6) > (var_1_6)) ? (var_1_6) : (var_1_6))))))) : (var_1_6))))) : 1) && ((last_1_var_1_1 < 5) ? (var_1_6 == ((unsigned char) ((((((((((((var_1_7) < (var_1_8)) ? (var_1_7) : (var_1_8)))) < (var_1_9)) ? (((((var_1_7) < (var_1_8)) ? (var_1_7) : (var_1_8)))) : (var_1_9)))) > (var_1_10)) ? (((((((((var_1_7) < (var_1_8)) ? (var_1_7) : (var_1_8)))) < (var_1_9)) ? (((((var_1_7) < (var_1_8)) ? (var_1_7) : (var_1_8)))) : (var_1_9)))) : (var_1_10))))) : (var_1_6 == ((unsigned char) var_1_10)))) && (var_1_12 ? (var_1_13 ? (((last_1_var_1_6 > (~ var_1_10)) && var_1_14) ? (var_1_11 == ((signed short int) ((((var_1_8) > ((var_1_10 + last_1_var_1_15))) ? (var_1_8) : ((var_1_10 + last_1_var_1_15)))))) : (var_1_11 == ((signed short int) last_1_var_1_6))) : (var_1_11 == ((signed short int) var_1_8))) : (var_1_11 == ((signed short int) last_1_var_1_11)))) && ((var_1_6 <= (((((128) > (var_1_16)) ? (128) : (var_1_16))) - var_1_17)) ? (var_1_15 == ((signed long int) (((((var_1_6 - var_1_6)) > (((((var_1_8) < (var_1_7)) ? (var_1_8) : (var_1_7))))) ? ((var_1_6 - var_1_6)) : (((((var_1_8) < (var_1_7)) ? (var_1_8) : (var_1_7)))))))) : (var_1_15 == ((signed long int) var_1_11)))) && ((((200 << var_1_15) * (var_1_17 * var_1_7)) < var_1_1) ? (var_1_18 == ((double) var_1_19)) : 1) [L143-L144] return ((((((var_1_11 <= var_1_6) ? (var_1_1 == ((unsigned short int) ((((((((var_1_11) < (((((var_1_6) > (var_1_6)) ? (var_1_6) : (var_1_6))))) ? (var_1_11) : (((((var_1_6) > (var_1_6)) ? (var_1_6) : (var_1_6))))))) > (var_1_6)) ? (((((var_1_11) < (((((var_1_6) > (var_1_6)) ? (var_1_6) : (var_1_6))))) ? (var_1_11) : (((((var_1_6) > (var_1_6)) ? (var_1_6) : (var_1_6))))))) : (var_1_6))))) : 1) && ((last_1_var_1_1 < 5) ? (var_1_6 == ((unsigned char) ((((((((((((var_1_7) < (var_1_8)) ? (var_1_7) : (var_1_8)))) < (var_1_9)) ? (((((var_1_7) < (var_1_8)) ? (var_1_7) : (var_1_8)))) : (var_1_9)))) > (var_1_10)) ? (((((((((var_1_7) < (var_1_8)) ? (var_1_7) : (var_1_8)))) < (var_1_9)) ? (((((var_1_7) < (var_1_8)) ? (var_1_7) : (var_1_8)))) : (var_1_9)))) : (var_1_10))))) : (var_1_6 == ((unsigned char) var_1_10)))) && (var_1_12 ? (var_1_13 ? (((last_1_var_1_6 > (~ var_1_10)) && var_1_14) ? (var_1_11 == ((signed short int) ((((var_1_8) > ((var_1_10 + last_1_var_1_15))) ? (var_1_8) : ((var_1_10 + last_1_var_1_15)))))) : (var_1_11 == ((signed short int) last_1_var_1_6))) : (var_1_11 == ((signed short int) var_1_8))) : (var_1_11 == ((signed short int) last_1_var_1_11)))) && ((var_1_6 <= (((((128) > (var_1_16)) ? (128) : (var_1_16))) - var_1_17)) ? (var_1_15 == ((signed long int) (((((var_1_6 - var_1_6)) > (((((var_1_8) < (var_1_7)) ? (var_1_8) : (var_1_7))))) ? ((var_1_6 - var_1_6)) : (((((var_1_8) < (var_1_7)) ? (var_1_8) : (var_1_7)))))))) : (var_1_15 == ((signed long int) var_1_11)))) && ((((200 << var_1_15) * (var_1_17 * var_1_7)) < var_1_1) ? (var_1_18 == ((double) var_1_19)) : 1)) && (var_1_13 ? (var_1_14 ? (var_1_12 ? (var_1_20 == ((float) (var_1_21 + ((((var_1_22) > (var_1_23)) ? (var_1_22) : (var_1_23)))))) : 1) : ((var_1_6 <= 0) ? (var_1_20 == ((float) var_1_19)) : (var_1_20 == ((float) var_1_22)))) : (var_1_20 == ((float) var_1_23))) ; [L154] RET, EXPR property() [L154] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, last_1_var_1_11=10, last_1_var_1_15=128, last_1_var_1_1=4, last_1_var_1_6=4, var_1_10=-254, var_1_11=130, var_1_12=1, var_1_13=1, var_1_14=1, var_1_15=130, var_1_16=128, var_1_17=127, var_1_18=18/5, var_1_19=0, var_1_1=4, var_1_20=0, var_1_22=0, var_1_23=0, var_1_6=2, var_1_7=1, var_1_8=-255, var_1_9=0] [L19] reach_error() VAL [isInitial=1, last_1_var_1_11=10, last_1_var_1_15=128, last_1_var_1_1=4, last_1_var_1_6=4, var_1_10=-254, var_1_11=130, var_1_12=1, var_1_13=1, var_1_14=1, var_1_15=130, var_1_16=128, var_1_17=127, var_1_18=18/5, var_1_19=0, var_1_1=4, var_1_20=0, var_1_22=0, var_1_23=0, var_1_6=2, var_1_7=1, var_1_8=-255, var_1_9=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 44 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.8s, OverallIterations: 1, TraceHistogramMax: 22, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=44occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 166 NumberOfCodeBlocks, 166 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 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 [2024-11-14 03:20:42,063 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_412306b0-390f-4544-b453-addcc076ad87/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_412306b0-390f-4544-b453-addcc076ad87/bin/utaipan-verify-sOmjnqqW8E/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_412306b0-390f-4544-b453-addcc076ad87/bin/utaipan-verify-sOmjnqqW8E/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_412306b0-390f-4544-b453-addcc076ad87/bin/utaipan-verify-sOmjnqqW8E/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_412306b0-390f-4544-b453-addcc076ad87/bin/utaipan-verify-sOmjnqqW8E/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-1loop_file-28.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_412306b0-390f-4544-b453-addcc076ad87/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_412306b0-390f-4544-b453-addcc076ad87/bin/utaipan-verify-sOmjnqqW8E --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash eb9514c110f30441b6230f99cfb64804f1f8af1bad5cb610cf0e2a87b7fd20e1 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-14 03:20:46,058 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-14 03:20:46,231 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_412306b0-390f-4544-b453-addcc076ad87/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2024-11-14 03:20:46,243 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-14 03:20:46,243 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-14 03:20:46,288 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-14 03:20:46,290 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-14 03:20:46,291 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-14 03:20:46,291 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-14 03:20:46,292 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-14 03:20:46,293 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-14 03:20:46,293 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-14 03:20:46,294 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-14 03:20:46,294 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-14 03:20:46,294 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-14 03:20:46,294 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-14 03:20:46,295 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-14 03:20:46,295 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-14 03:20:46,295 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-14 03:20:46,295 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-14 03:20:46,295 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-14 03:20:46,295 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-14 03:20:46,296 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-14 03:20:46,296 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-14 03:20:46,296 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-14 03:20:46,296 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-14 03:20:46,297 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-14 03:20:46,297 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-14 03:20:46,297 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-14 03:20:46,297 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-14 03:20:46,297 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-14 03:20:46,298 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-14 03:20:46,298 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-14 03:20:46,298 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-14 03:20:46,298 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-14 03:20:46,299 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 03:20:46,299 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-14 03:20:46,299 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-14 03:20:46,299 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-14 03:20:46,299 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-14 03:20:46,299 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-14 03:20:46,299 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-14 03:20:46,300 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-14 03:20:46,300 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_412306b0-390f-4544-b453-addcc076ad87/bin/utaipan-verify-sOmjnqqW8E Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan 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 -> eb9514c110f30441b6230f99cfb64804f1f8af1bad5cb610cf0e2a87b7fd20e1 [2024-11-14 03:20:46,704 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-14 03:20:46,715 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-14 03:20:46,718 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-14 03:20:46,720 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-14 03:20:46,721 INFO L274 PluginConnector]: CDTParser initialized [2024-11-14 03:20:46,722 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_412306b0-390f-4544-b453-addcc076ad87/bin/utaipan-verify-sOmjnqqW8E/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-1loop_file-28.i Unable to find full path for "g++" [2024-11-14 03:20:49,845 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-14 03:20:50,299 INFO L384 CDTParser]: Found 1 translation units. [2024-11-14 03:20:50,300 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_412306b0-390f-4544-b453-addcc076ad87/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-1loop_file-28.i [2024-11-14 03:20:50,327 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_412306b0-390f-4544-b453-addcc076ad87/bin/utaipan-verify-sOmjnqqW8E/data/7e65f60a7/9ff9fb13a5f043d5986a698491af17c7/FLAG18c9ce2d8 [2024-11-14 03:20:50,362 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_412306b0-390f-4544-b453-addcc076ad87/bin/utaipan-verify-sOmjnqqW8E/data/7e65f60a7/9ff9fb13a5f043d5986a698491af17c7 [2024-11-14 03:20:50,369 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-14 03:20:50,372 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-14 03:20:50,375 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-14 03:20:50,376 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-14 03:20:50,384 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-14 03:20:50,387 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 03:20:50" (1/1) ... [2024-11-14 03:20:50,392 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@32c999b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:20:50, skipping insertion in model container [2024-11-14 03:20:50,392 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 03:20:50" (1/1) ... [2024-11-14 03:20:50,439 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-14 03:20:50,752 WARN L250 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_412306b0-390f-4544-b453-addcc076ad87/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-1loop_file-28.i[915,928] [2024-11-14 03:20:50,922 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 03:20:50,963 INFO L200 MainTranslator]: Completed pre-run [2024-11-14 03:20:50,989 WARN L250 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_412306b0-390f-4544-b453-addcc076ad87/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-1loop_file-28.i[915,928] [2024-11-14 03:20:51,132 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 03:20:51,174 INFO L204 MainTranslator]: Completed translation [2024-11-14 03:20:51,176 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:20:51 WrapperNode [2024-11-14 03:20:51,177 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-14 03:20:51,180 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-14 03:20:51,180 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-14 03:20:51,180 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-14 03:20:51,195 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:20:51" (1/1) ... [2024-11-14 03:20:51,228 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:20:51" (1/1) ... [2024-11-14 03:20:51,317 INFO L138 Inliner]: procedures = 27, calls = 35, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 157 [2024-11-14 03:20:51,322 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-14 03:20:51,323 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-14 03:20:51,324 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-14 03:20:51,324 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-14 03:20:51,352 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:20:51" (1/1) ... [2024-11-14 03:20:51,357 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:20:51" (1/1) ... [2024-11-14 03:20:51,368 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:20:51" (1/1) ... [2024-11-14 03:20:51,372 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:20:51" (1/1) ... [2024-11-14 03:20:51,413 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:20:51" (1/1) ... [2024-11-14 03:20:51,428 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:20:51" (1/1) ... [2024-11-14 03:20:51,437 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:20:51" (1/1) ... [2024-11-14 03:20:51,443 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:20:51" (1/1) ... [2024-11-14 03:20:51,453 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-14 03:20:51,458 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-14 03:20:51,458 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-14 03:20:51,458 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-14 03:20:51,464 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:20:51" (1/1) ... [2024-11-14 03:20:51,486 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 03:20:51,514 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_412306b0-390f-4544-b453-addcc076ad87/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 03:20:51,542 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_412306b0-390f-4544-b453-addcc076ad87/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-14 03:20:51,552 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_412306b0-390f-4544-b453-addcc076ad87/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-14 03:20:51,597 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-14 03:20:51,597 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-14 03:20:51,597 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-14 03:20:51,598 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-14 03:20:51,598 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-14 03:20:51,598 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-14 03:20:51,813 INFO L238 CfgBuilder]: Building ICFG [2024-11-14 03:20:51,817 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-14 03:20:53,684 INFO L? ?]: Removed 21 outVars from TransFormulas that were not future-live. [2024-11-14 03:20:53,684 INFO L287 CfgBuilder]: Performing block encoding [2024-11-14 03:20:53,705 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-14 03:20:53,706 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-14 03:20:53,706 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 03:20:53 BoogieIcfgContainer [2024-11-14 03:20:53,707 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-14 03:20:53,712 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-14 03:20:53,713 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-14 03:20:53,723 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-14 03:20:53,723 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.11 03:20:50" (1/3) ... [2024-11-14 03:20:53,724 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@16fa0c7b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 03:20:53, skipping insertion in model container [2024-11-14 03:20:53,724 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:20:51" (2/3) ... [2024-11-14 03:20:53,725 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@16fa0c7b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 03:20:53, skipping insertion in model container [2024-11-14 03:20:53,725 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 03:20:53" (3/3) ... [2024-11-14 03:20:53,727 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_50-1loop_file-28.i [2024-11-14 03:20:53,756 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-14 03:20:53,759 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_loopvsstraightlinecode_50-1loop_file-28.i that has 2 procedures, 70 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-14 03:20:53,891 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-14 03:20:53,923 INFO L333 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, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@52a4aa0e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-14 03:20:53,925 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-14 03:20:53,931 INFO L276 IsEmpty]: Start isEmpty. Operand has 70 states, 45 states have (on average 1.3555555555555556) internal successors, (61), 46 states have internal predecessors, (61), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2024-11-14 03:20:53,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2024-11-14 03:20:53,951 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 03:20:53,952 INFO L215 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 03:20:53,953 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 03:20:53,960 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 03:20:53,961 INFO L85 PathProgramCache]: Analyzing trace with hash 1983472194, now seen corresponding path program 1 times [2024-11-14 03:20:53,983 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 03:20:53,983 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [820650037] [2024-11-14 03:20:53,984 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:20:53,985 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 [2024-11-14 03:20:53,985 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_412306b0-390f-4544-b453-addcc076ad87/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 03:20:53,990 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_412306b0-390f-4544-b453-addcc076ad87/bin/utaipan-verify-sOmjnqqW8E/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) [2024-11-14 03:20:54,020 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_412306b0-390f-4544-b453-addcc076ad87/bin/utaipan-verify-sOmjnqqW8E/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 [2024-11-14 03:20:54,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:20:54,650 INFO L255 TraceCheckSpWp]: Trace formula consists of 234 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-14 03:20:54,664 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 03:20:54,780 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 434 proven. 0 refuted. 0 times theorem prover too weak. 490 trivial. 0 not checked. [2024-11-14 03:20:54,783 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-14 03:20:54,784 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-14 03:20:54,789 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [820650037] [2024-11-14 03:20:54,789 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [820650037] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 03:20:54,790 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 03:20:54,790 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-14 03:20:54,793 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1803891984] [2024-11-14 03:20:54,796 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 03:20:54,804 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-14 03:20:54,805 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-14 03:20:54,843 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-14 03:20:54,844 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-14 03:20:54,848 INFO L87 Difference]: Start difference. First operand has 70 states, 45 states have (on average 1.3555555555555556) internal successors, (61), 46 states have internal predecessors, (61), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) Second operand has 2 states, 2 states have (on average 20.0) internal successors, (40), 2 states have internal predecessors, (40), 2 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2024-11-14 03:20:54,912 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 03:20:54,915 INFO L93 Difference]: Finished difference Result 137 states and 229 transitions. [2024-11-14 03:20:54,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-14 03:20:54,918 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 20.0) internal successors, (40), 2 states have internal predecessors, (40), 2 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 143 [2024-11-14 03:20:54,919 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 03:20:54,935 INFO L225 Difference]: With dead ends: 137 [2024-11-14 03:20:54,935 INFO L226 Difference]: Without dead ends: 66 [2024-11-14 03:20:54,943 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 142 GetRequests, 142 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-14 03:20:54,951 INFO L432 NwaCegarLoop]: 102 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, 102 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 [2024-11-14 03:20:54,952 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 102 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-14 03:20:54,977 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66 states. [2024-11-14 03:20:55,033 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 66. [2024-11-14 03:20:55,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 66 states, 42 states have (on average 1.2857142857142858) internal successors, (54), 42 states have internal predecessors, (54), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2024-11-14 03:20:55,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 98 transitions. [2024-11-14 03:20:55,051 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 98 transitions. Word has length 143 [2024-11-14 03:20:55,052 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 03:20:55,052 INFO L471 AbstractCegarLoop]: Abstraction has 66 states and 98 transitions. [2024-11-14 03:20:55,053 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 20.0) internal successors, (40), 2 states have internal predecessors, (40), 2 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2024-11-14 03:20:55,053 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 98 transitions. [2024-11-14 03:20:55,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2024-11-14 03:20:55,061 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 03:20:55,061 INFO L215 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 03:20:55,075 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_412306b0-390f-4544-b453-addcc076ad87/bin/utaipan-verify-sOmjnqqW8E/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)] Ended with exit code 0 [2024-11-14 03:20:55,262 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_412306b0-390f-4544-b453-addcc076ad87/bin/utaipan-verify-sOmjnqqW8E/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 [2024-11-14 03:20:55,263 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 03:20:55,264 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 03:20:55,264 INFO L85 PathProgramCache]: Analyzing trace with hash 139278474, now seen corresponding path program 1 times [2024-11-14 03:20:55,268 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 03:20:55,269 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [882454496] [2024-11-14 03:20:55,270 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:20:55,270 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 [2024-11-14 03:20:55,270 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_412306b0-390f-4544-b453-addcc076ad87/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 03:20:55,280 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_412306b0-390f-4544-b453-addcc076ad87/bin/utaipan-verify-sOmjnqqW8E/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) [2024-11-14 03:20:55,286 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_412306b0-390f-4544-b453-addcc076ad87/bin/utaipan-verify-sOmjnqqW8E/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 [2024-11-14 03:20:56,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:20:56,046 INFO L255 TraceCheckSpWp]: Trace formula consists of 234 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-11-14 03:20:56,068 INFO L278 TraceCheckSpWp]: Computing forward predicates...