./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-41.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_c935d4e1-5708-4391-8954-e532a00548cc/bin/utaipan-verify-sOmjnqqW8E/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c935d4e1-5708-4391-8954-e532a00548cc/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_c935d4e1-5708-4391-8954-e532a00548cc/bin/utaipan-verify-sOmjnqqW8E/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c935d4e1-5708-4391-8954-e532a00548cc/bin/utaipan-verify-sOmjnqqW8E/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-41.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c935d4e1-5708-4391-8954-e532a00548cc/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_c935d4e1-5708-4391-8954-e532a00548cc/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 98a19e0c547f7d3a72a6b0e726de4b196c22b807120fe6fe181da2453cf1b645 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-14 04:14:00,066 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-14 04:14:00,183 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c935d4e1-5708-4391-8954-e532a00548cc/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Reach-32bit-Taipan_Default.epf [2024-11-14 04:14:00,191 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-14 04:14:00,191 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-14 04:14:00,225 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-14 04:14:00,225 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-14 04:14:00,226 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-14 04:14:00,226 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-14 04:14:00,226 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-14 04:14:00,226 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-14 04:14:00,226 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-14 04:14:00,227 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-14 04:14:00,227 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-14 04:14:00,227 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-14 04:14:00,227 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-14 04:14:00,227 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-14 04:14:00,227 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-14 04:14:00,227 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-14 04:14:00,228 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-14 04:14:00,228 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-14 04:14:00,228 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-14 04:14:00,228 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-14 04:14:00,229 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-14 04:14:00,229 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-14 04:14:00,229 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-14 04:14:00,229 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-14 04:14:00,229 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-14 04:14:00,229 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-14 04:14:00,229 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-14 04:14:00,230 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-14 04:14:00,230 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-14 04:14:00,230 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-14 04:14:00,230 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-14 04:14:00,230 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-14 04:14:00,230 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-14 04:14:00,230 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-14 04:14:00,230 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-14 04:14:00,231 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 04:14:00,231 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-14 04:14:00,231 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-14 04:14:00,231 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-14 04:14:00,231 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-14 04:14:00,231 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-14 04:14:00,231 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-14 04:14:00,231 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-14 04:14:00,232 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-14 04:14:00,232 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_c935d4e1-5708-4391-8954-e532a00548cc/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 -> 98a19e0c547f7d3a72a6b0e726de4b196c22b807120fe6fe181da2453cf1b645 [2024-11-14 04:14:00,601 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-14 04:14:00,613 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-14 04:14:00,617 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-14 04:14:00,620 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-14 04:14:00,620 INFO L274 PluginConnector]: CDTParser initialized [2024-11-14 04:14:00,621 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c935d4e1-5708-4391-8954-e532a00548cc/bin/utaipan-verify-sOmjnqqW8E/../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-41.i Unable to find full path for "g++" [2024-11-14 04:14:02,520 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-14 04:14:02,894 INFO L384 CDTParser]: Found 1 translation units. [2024-11-14 04:14:02,894 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c935d4e1-5708-4391-8954-e532a00548cc/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-41.i [2024-11-14 04:14:02,907 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c935d4e1-5708-4391-8954-e532a00548cc/bin/utaipan-verify-sOmjnqqW8E/data/11555bef0/53ec739bef204a2b88b17430f9259217/FLAG0399fb3ac [2024-11-14 04:14:03,106 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c935d4e1-5708-4391-8954-e532a00548cc/bin/utaipan-verify-sOmjnqqW8E/data/11555bef0/53ec739bef204a2b88b17430f9259217 [2024-11-14 04:14:03,109 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-14 04:14:03,110 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-14 04:14:03,112 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-14 04:14:03,112 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-14 04:14:03,117 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-14 04:14:03,118 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 04:14:03" (1/1) ... [2024-11-14 04:14:03,119 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@64d1fa7c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:14:03, skipping insertion in model container [2024-11-14 04:14:03,119 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 04:14:03" (1/1) ... [2024-11-14 04:14:03,153 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-14 04:14:03,381 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_c935d4e1-5708-4391-8954-e532a00548cc/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-41.i[917,930] [2024-11-14 04:14:03,504 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 04:14:03,524 INFO L200 MainTranslator]: Completed pre-run [2024-11-14 04:14:03,534 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_c935d4e1-5708-4391-8954-e532a00548cc/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-41.i[917,930] [2024-11-14 04:14:03,576 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 04:14:03,595 INFO L204 MainTranslator]: Completed translation [2024-11-14 04:14:03,595 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:14:03 WrapperNode [2024-11-14 04:14:03,595 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-14 04:14:03,596 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-14 04:14:03,596 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-14 04:14:03,596 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-14 04:14:03,605 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:14:03" (1/1) ... [2024-11-14 04:14:03,616 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:14:03" (1/1) ... [2024-11-14 04:14:03,655 INFO L138 Inliner]: procedures = 26, calls = 38, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 153 [2024-11-14 04:14:03,655 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-14 04:14:03,656 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-14 04:14:03,656 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-14 04:14:03,656 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-14 04:14:03,665 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:14:03" (1/1) ... [2024-11-14 04:14:03,665 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:14:03" (1/1) ... [2024-11-14 04:14:03,669 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:14:03" (1/1) ... [2024-11-14 04:14:03,669 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:14:03" (1/1) ... [2024-11-14 04:14:03,680 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:14:03" (1/1) ... [2024-11-14 04:14:03,684 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:14:03" (1/1) ... [2024-11-14 04:14:03,687 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:14:03" (1/1) ... [2024-11-14 04:14:03,693 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:14:03" (1/1) ... [2024-11-14 04:14:03,701 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-14 04:14:03,702 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-14 04:14:03,702 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-14 04:14:03,702 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-14 04:14:03,703 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:14:03" (1/1) ... [2024-11-14 04:14:03,714 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 04:14:03,731 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c935d4e1-5708-4391-8954-e532a00548cc/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 04:14:03,748 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c935d4e1-5708-4391-8954-e532a00548cc/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-14 04:14:03,753 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c935d4e1-5708-4391-8954-e532a00548cc/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-14 04:14:03,785 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-14 04:14:03,786 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-14 04:14:03,786 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-14 04:14:03,786 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-14 04:14:03,786 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-14 04:14:03,786 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-14 04:14:03,916 INFO L238 CfgBuilder]: Building ICFG [2024-11-14 04:14:03,918 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-14 04:14:04,392 INFO L? ?]: Removed 16 outVars from TransFormulas that were not future-live. [2024-11-14 04:14:04,392 INFO L287 CfgBuilder]: Performing block encoding [2024-11-14 04:14:04,621 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-14 04:14:04,622 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-14 04:14:04,622 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 04:14:04 BoogieIcfgContainer [2024-11-14 04:14:04,623 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-14 04:14:04,626 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-14 04:14:04,626 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-14 04:14:04,633 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-14 04:14:04,633 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.11 04:14:03" (1/3) ... [2024-11-14 04:14:04,634 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@44109a03 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 04:14:04, skipping insertion in model container [2024-11-14 04:14:04,634 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:14:03" (2/3) ... [2024-11-14 04:14:04,635 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@44109a03 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 04:14:04, skipping insertion in model container [2024-11-14 04:14:04,635 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 04:14:04" (3/3) ... [2024-11-14 04:14:04,636 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_codestructure_steplocals_file-41.i [2024-11-14 04:14:04,657 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-14 04:14:04,661 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_codestructure_steplocals_file-41.i that has 2 procedures, 48 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-14 04:14:04,740 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-14 04:14:04,753 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;@71059a8e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-14 04:14:04,754 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-14 04:14:04,759 INFO L276 IsEmpty]: Start isEmpty. Operand has 48 states, 20 states have (on average 1.15) internal successors, (23), 21 states have internal predecessors, (23), 25 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-14 04:14:04,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2024-11-14 04:14:04,770 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:14:04,771 INFO L215 NwaCegarLoop]: trace histogram [25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:14:04,771 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 04:14:04,776 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:14:04,777 INFO L85 PathProgramCache]: Analyzing trace with hash 1709937620, now seen corresponding path program 1 times [2024-11-14 04:14:04,785 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 04:14:04,786 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1457894581] [2024-11-14 04:14:04,786 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:14:04,787 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 04:14:05,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-14 04:14:05,425 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [515705127] [2024-11-14 04:14:05,425 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:14:05,426 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 04:14:05,426 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c935d4e1-5708-4391-8954-e532a00548cc/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 04:14:05,430 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c935d4e1-5708-4391-8954-e532a00548cc/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-14 04:14:05,431 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c935d4e1-5708-4391-8954-e532a00548cc/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-14 04:14:05,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-14 04:14:05,706 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-14 04:14:05,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-14 04:14:06,012 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2024-11-14 04:14:06,014 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-14 04:14:06,016 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-14 04:14:06,027 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c935d4e1-5708-4391-8954-e532a00548cc/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-14 04:14:06,219 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c935d4e1-5708-4391-8954-e532a00548cc/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-11-14 04:14:06,224 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-14 04:14:06,321 INFO L173 ceAbstractionStarter]: Computing trace abstraction results [2024-11-14 04:14:06,325 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.11 04:14:06 BoogieIcfgContainer [2024-11-14 04:14:06,325 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-14 04:14:06,326 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-14 04:14:06,326 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-14 04:14:06,326 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-14 04:14:06,327 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 04:14:04" (3/4) ... [2024-11-14 04:14:06,330 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-14 04:14:06,331 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-14 04:14:06,332 INFO L158 Benchmark]: Toolchain (without parser) took 3221.50ms. Allocated memory is still 142.6MB. Free memory was 119.1MB in the beginning and 67.6MB in the end (delta: 51.5MB). Peak memory consumption was 48.5MB. Max. memory is 16.1GB. [2024-11-14 04:14:06,332 INFO L158 Benchmark]: CDTParser took 1.73ms. Allocated memory is still 167.8MB. Free memory is still 105.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 04:14:06,333 INFO L158 Benchmark]: CACSL2BoogieTranslator took 484.12ms. Allocated memory is still 142.6MB. Free memory was 118.7MB in the beginning and 104.7MB in the end (delta: 14.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-14 04:14:06,333 INFO L158 Benchmark]: Boogie Procedure Inliner took 59.08ms. Allocated memory is still 142.6MB. Free memory was 104.7MB in the beginning and 101.3MB in the end (delta: 3.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-14 04:14:06,334 INFO L158 Benchmark]: Boogie Preprocessor took 45.22ms. Allocated memory is still 142.6MB. Free memory was 101.3MB in the beginning and 99.9MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 04:14:06,334 INFO L158 Benchmark]: RCFGBuilder took 920.88ms. Allocated memory is still 142.6MB. Free memory was 99.9MB in the beginning and 59.0MB in the end (delta: 40.9MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-11-14 04:14:06,338 INFO L158 Benchmark]: TraceAbstraction took 1698.97ms. Allocated memory is still 142.6MB. Free memory was 58.3MB in the beginning and 67.6MB in the end (delta: -9.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 04:14:06,339 INFO L158 Benchmark]: Witness Printer took 4.94ms. Allocated memory is still 142.6MB. Free memory was 67.6MB in the beginning and 67.6MB in the end (delta: 27.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 04:14:06,341 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.73ms. Allocated memory is still 167.8MB. Free memory is still 105.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 484.12ms. Allocated memory is still 142.6MB. Free memory was 118.7MB in the beginning and 104.7MB in the end (delta: 14.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 59.08ms. Allocated memory is still 142.6MB. Free memory was 104.7MB in the beginning and 101.3MB in the end (delta: 3.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 45.22ms. Allocated memory is still 142.6MB. Free memory was 101.3MB in the beginning and 99.9MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 920.88ms. Allocated memory is still 142.6MB. Free memory was 99.9MB in the beginning and 59.0MB in the end (delta: 40.9MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * TraceAbstraction took 1698.97ms. Allocated memory is still 142.6MB. Free memory was 58.3MB in the beginning and 67.6MB in the end (delta: -9.3MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.94ms. Allocated memory is still 142.6MB. Free memory was 67.6MB in the beginning and 67.6MB in the end (delta: 27.0kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 119, overapproximation of someBinaryFLOATComparisonOperation at line 94, overapproximation of someBinaryFLOATComparisonOperation at line 48, overapproximation of someBinaryDOUBLEComparisonOperation at line 53, overapproximation of someBinaryDOUBLEComparisonOperation at line 105. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned char var_1_1 = 0; [L23] float var_1_2 = 100.25; [L24] unsigned char var_1_3 = 1; [L25] unsigned char var_1_4 = 1; [L26] unsigned char var_1_5 = 1; [L27] unsigned char var_1_6 = 0; [L28] double var_1_7 = 4.8; [L29] signed char var_1_8 = 64; [L30] unsigned short int var_1_9 = 4; [L31] unsigned short int var_1_10 = 0; [L32] signed char var_1_11 = -10; [L33] signed char var_1_12 = 64; [L34] float var_1_13 = 1.6; [L35] float var_1_14 = 3.5; [L36] unsigned char var_1_15 = 8; [L37] unsigned char var_1_16 = 4; [L38] unsigned short int var_1_17 = 2; [L39] unsigned short int var_1_18 = 10000; [L40] unsigned short int var_1_19 = 5; [L41] signed short int var_1_20 = 4; [L42] unsigned long int var_1_21 = 5; [L43] signed char var_1_22 = -32; [L44] unsigned long int var_1_23 = 0; [L140] isInitial = 1 [L141] FCALL initially() [L142] COND TRUE 1 [L143] FCALL updateLastVariables() [L144] CALL updateVariables() [L93] var_1_2 = __VERIFIER_nondet_float() [L94] CALL assume_abort_if_not((var_1_2 >= -922337.2036854776000e+13F && var_1_2 <= -1.0e-20F) || (var_1_2 <= 9223372.036854776000e+12F && var_1_2 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=-10, var_1_12=64, var_1_13=8/5, var_1_14=7/2, var_1_15=8, var_1_16=4, var_1_17=2, var_1_18=10000, var_1_19=5, var_1_1=0, var_1_20=4, var_1_21=5, var_1_22=-32, var_1_23=0, var_1_3=1, var_1_4=1, var_1_5=1, var_1_6=0, var_1_7=24/5, var_1_8=64, var_1_9=4] [L20] COND FALSE !(!cond) [L94] RET assume_abort_if_not((var_1_2 >= -922337.2036854776000e+13F && var_1_2 <= -1.0e-20F) || (var_1_2 <= 9223372.036854776000e+12F && var_1_2 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=0, var_1_11=-10, var_1_12=64, var_1_13=8/5, var_1_14=7/2, var_1_15=8, var_1_16=4, var_1_17=2, var_1_18=10000, var_1_19=5, var_1_1=0, var_1_20=4, var_1_21=5, var_1_22=-32, var_1_23=0, var_1_3=1, var_1_4=1, var_1_5=1, var_1_6=0, var_1_7=24/5, var_1_8=64, var_1_9=4] [L95] var_1_3 = __VERIFIER_nondet_uchar() [L96] CALL assume_abort_if_not(var_1_3 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=-10, var_1_12=64, var_1_13=8/5, var_1_14=7/2, var_1_15=8, var_1_16=4, var_1_17=2, var_1_18=10000, var_1_19=5, var_1_1=0, var_1_20=4, var_1_21=5, var_1_22=-32, var_1_23=0, var_1_4=1, var_1_5=1, var_1_6=0, var_1_7=24/5, var_1_8=64, var_1_9=4] [L20] COND FALSE !(!cond) [L96] RET assume_abort_if_not(var_1_3 >= 0) VAL [isInitial=1, var_1_10=0, var_1_11=-10, var_1_12=64, var_1_13=8/5, var_1_14=7/2, var_1_15=8, var_1_16=4, var_1_17=2, var_1_18=10000, var_1_19=5, var_1_1=0, var_1_20=4, var_1_21=5, var_1_22=-32, var_1_23=0, var_1_4=1, var_1_5=1, var_1_6=0, var_1_7=24/5, var_1_8=64, var_1_9=4] [L97] CALL assume_abort_if_not(var_1_3 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=-10, var_1_12=64, var_1_13=8/5, var_1_14=7/2, var_1_15=8, var_1_16=4, var_1_17=2, var_1_18=10000, var_1_19=5, var_1_1=0, var_1_20=4, var_1_21=5, var_1_22=-32, var_1_23=0, var_1_3=256, var_1_4=1, var_1_5=1, var_1_6=0, var_1_7=24/5, var_1_8=64, var_1_9=4] [L20] COND FALSE !(!cond) [L97] RET assume_abort_if_not(var_1_3 <= 1) VAL [isInitial=1, var_1_10=0, var_1_11=-10, var_1_12=64, var_1_13=8/5, var_1_14=7/2, var_1_15=8, var_1_16=4, var_1_17=2, var_1_18=10000, var_1_19=5, var_1_1=0, var_1_20=4, var_1_21=5, var_1_22=-32, var_1_23=0, var_1_3=256, var_1_4=1, var_1_5=1, var_1_6=0, var_1_7=24/5, var_1_8=64, var_1_9=4] [L98] var_1_4 = __VERIFIER_nondet_uchar() [L99] CALL assume_abort_if_not(var_1_4 >= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=-10, var_1_12=64, var_1_13=8/5, var_1_14=7/2, var_1_15=8, var_1_16=4, var_1_17=2, var_1_18=10000, var_1_19=5, var_1_1=0, var_1_20=4, var_1_21=5, var_1_22=-32, var_1_23=0, var_1_3=256, var_1_4=1, var_1_5=1, var_1_6=0, var_1_7=24/5, var_1_8=64, var_1_9=4] [L20] COND FALSE !(!cond) [L99] RET assume_abort_if_not(var_1_4 >= 1) VAL [isInitial=1, var_1_10=0, var_1_11=-10, var_1_12=64, var_1_13=8/5, var_1_14=7/2, var_1_15=8, var_1_16=4, var_1_17=2, var_1_18=10000, var_1_19=5, var_1_1=0, var_1_20=4, var_1_21=5, var_1_22=-32, var_1_23=0, var_1_3=256, var_1_4=1, var_1_5=1, var_1_6=0, var_1_7=24/5, var_1_8=64, var_1_9=4] [L100] CALL assume_abort_if_not(var_1_4 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=-10, var_1_12=64, var_1_13=8/5, var_1_14=7/2, var_1_15=8, var_1_16=4, var_1_17=2, var_1_18=10000, var_1_19=5, var_1_1=0, var_1_20=4, var_1_21=5, var_1_22=-32, var_1_23=0, var_1_3=256, var_1_4=1, var_1_5=1, var_1_6=0, var_1_7=24/5, var_1_8=64, var_1_9=4] [L20] COND FALSE !(!cond) [L100] RET assume_abort_if_not(var_1_4 <= 1) VAL [isInitial=1, var_1_10=0, var_1_11=-10, var_1_12=64, var_1_13=8/5, var_1_14=7/2, var_1_15=8, var_1_16=4, var_1_17=2, var_1_18=10000, var_1_19=5, var_1_1=0, var_1_20=4, var_1_21=5, var_1_22=-32, var_1_23=0, var_1_3=256, var_1_4=1, var_1_5=1, var_1_6=0, var_1_7=24/5, var_1_8=64, var_1_9=4] [L101] var_1_5 = __VERIFIER_nondet_uchar() [L102] CALL assume_abort_if_not(var_1_5 >= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=-10, var_1_12=64, var_1_13=8/5, var_1_14=7/2, var_1_15=8, var_1_16=4, var_1_17=2, var_1_18=10000, var_1_19=5, var_1_1=0, var_1_20=4, var_1_21=5, var_1_22=-32, var_1_23=0, var_1_3=256, var_1_4=1, var_1_5=-255, var_1_6=0, var_1_7=24/5, var_1_8=64, var_1_9=4] [L20] COND FALSE !(!cond) [L102] RET assume_abort_if_not(var_1_5 >= 1) VAL [isInitial=1, var_1_10=0, var_1_11=-10, var_1_12=64, var_1_13=8/5, var_1_14=7/2, var_1_15=8, var_1_16=4, var_1_17=2, var_1_18=10000, var_1_19=5, var_1_1=0, var_1_20=4, var_1_21=5, var_1_22=-32, var_1_23=0, var_1_3=256, var_1_4=1, var_1_5=-255, var_1_6=0, var_1_7=24/5, var_1_8=64, var_1_9=4] [L103] CALL assume_abort_if_not(var_1_5 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=-10, var_1_12=64, var_1_13=8/5, var_1_14=7/2, var_1_15=8, var_1_16=4, var_1_17=2, var_1_18=10000, var_1_19=5, var_1_1=0, var_1_20=4, var_1_21=5, var_1_22=-32, var_1_23=0, var_1_3=256, var_1_4=1, var_1_5=-255, var_1_6=0, var_1_7=24/5, var_1_8=64, var_1_9=4] [L20] COND FALSE !(!cond) [L103] RET assume_abort_if_not(var_1_5 <= 1) VAL [isInitial=1, var_1_10=0, var_1_11=-10, var_1_12=64, var_1_13=8/5, var_1_14=7/2, var_1_15=8, var_1_16=4, var_1_17=2, var_1_18=10000, var_1_19=5, var_1_1=0, var_1_20=4, var_1_21=5, var_1_22=-32, var_1_23=0, var_1_3=256, var_1_4=1, var_1_5=-255, var_1_6=0, var_1_7=24/5, var_1_8=64, var_1_9=4] [L104] var_1_7 = __VERIFIER_nondet_double() [L105] CALL assume_abort_if_not((var_1_7 >= -922337.2036854776000e+13F && var_1_7 <= -1.0e-20F) || (var_1_7 <= 9223372.036854776000e+12F && var_1_7 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=-10, var_1_12=64, var_1_13=8/5, var_1_14=7/2, var_1_15=8, var_1_16=4, var_1_17=2, var_1_18=10000, var_1_19=5, var_1_1=0, var_1_20=4, var_1_21=5, var_1_22=-32, var_1_23=0, var_1_3=256, var_1_4=1, var_1_5=-255, var_1_6=0, var_1_8=64, var_1_9=4] [L20] COND FALSE !(!cond) [L105] RET assume_abort_if_not((var_1_7 >= -922337.2036854776000e+13F && var_1_7 <= -1.0e-20F) || (var_1_7 <= 9223372.036854776000e+12F && var_1_7 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=0, var_1_11=-10, var_1_12=64, var_1_13=8/5, var_1_14=7/2, var_1_15=8, var_1_16=4, var_1_17=2, var_1_18=10000, var_1_19=5, var_1_1=0, var_1_20=4, var_1_21=5, var_1_22=-32, var_1_23=0, var_1_3=256, var_1_4=1, var_1_5=-255, var_1_6=0, var_1_8=64, var_1_9=4] [L106] var_1_9 = __VERIFIER_nondet_ushort() [L107] CALL assume_abort_if_not(var_1_9 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=-10, var_1_12=64, var_1_13=8/5, var_1_14=7/2, var_1_15=8, var_1_16=4, var_1_17=2, var_1_18=10000, var_1_19=5, var_1_1=0, var_1_20=4, var_1_21=5, var_1_22=-32, var_1_23=0, var_1_3=256, var_1_4=1, var_1_5=-255, var_1_6=0, var_1_8=64] [L20] COND FALSE !(!cond) [L107] RET assume_abort_if_not(var_1_9 >= 0) VAL [isInitial=1, var_1_10=0, var_1_11=-10, var_1_12=64, var_1_13=8/5, var_1_14=7/2, var_1_15=8, var_1_16=4, var_1_17=2, var_1_18=10000, var_1_19=5, var_1_1=0, var_1_20=4, var_1_21=5, var_1_22=-32, var_1_23=0, var_1_3=256, var_1_4=1, var_1_5=-255, var_1_6=0, var_1_8=64] [L108] CALL assume_abort_if_not(var_1_9 <= 65535) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=-10, var_1_12=64, var_1_13=8/5, var_1_14=7/2, var_1_15=8, var_1_16=4, var_1_17=2, var_1_18=10000, var_1_19=5, var_1_1=0, var_1_20=4, var_1_21=5, var_1_22=-32, var_1_23=0, var_1_3=256, var_1_4=1, var_1_5=-255, var_1_6=0, var_1_8=64] [L20] COND FALSE !(!cond) [L108] RET assume_abort_if_not(var_1_9 <= 65535) VAL [isInitial=1, var_1_10=0, var_1_11=-10, var_1_12=64, var_1_13=8/5, var_1_14=7/2, var_1_15=8, var_1_16=4, var_1_17=2, var_1_18=10000, var_1_19=5, var_1_1=0, var_1_20=4, var_1_21=5, var_1_22=-32, var_1_23=0, var_1_3=256, var_1_4=1, var_1_5=-255, var_1_6=0, var_1_8=64] [L109] var_1_10 = __VERIFIER_nondet_ushort() [L110] CALL assume_abort_if_not(var_1_10 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_11=-10, var_1_12=64, var_1_13=8/5, var_1_14=7/2, var_1_15=8, var_1_16=4, var_1_17=2, var_1_18=10000, var_1_19=5, var_1_1=0, var_1_20=4, var_1_21=5, var_1_22=-32, var_1_23=0, var_1_3=256, var_1_4=1, var_1_5=-255, var_1_6=0, var_1_8=64] [L20] COND FALSE !(!cond) [L110] RET assume_abort_if_not(var_1_10 >= 0) VAL [isInitial=1, var_1_11=-10, var_1_12=64, var_1_13=8/5, var_1_14=7/2, var_1_15=8, var_1_16=4, var_1_17=2, var_1_18=10000, var_1_19=5, var_1_1=0, var_1_20=4, var_1_21=5, var_1_22=-32, var_1_23=0, var_1_3=256, var_1_4=1, var_1_5=-255, var_1_6=0, var_1_8=64] [L111] CALL assume_abort_if_not(var_1_10 <= 65535) VAL [\old(cond)=1, isInitial=1, var_1_11=-10, var_1_12=64, var_1_13=8/5, var_1_14=7/2, var_1_15=8, var_1_16=4, var_1_17=2, var_1_18=10000, var_1_19=5, var_1_1=0, var_1_20=4, var_1_21=5, var_1_22=-32, var_1_23=0, var_1_3=256, var_1_4=1, var_1_5=-255, var_1_6=0, var_1_8=64] [L20] COND FALSE !(!cond) [L111] RET assume_abort_if_not(var_1_10 <= 65535) VAL [isInitial=1, var_1_11=-10, var_1_12=64, var_1_13=8/5, var_1_14=7/2, var_1_15=8, var_1_16=4, var_1_17=2, var_1_18=10000, var_1_19=5, var_1_1=0, var_1_20=4, var_1_21=5, var_1_22=-32, var_1_23=0, var_1_3=256, var_1_4=1, var_1_5=-255, var_1_6=0, var_1_8=64] [L112] var_1_11 = __VERIFIER_nondet_char() [L113] CALL assume_abort_if_not(var_1_11 >= -127) VAL [\old(cond)=1, isInitial=1, var_1_11=64, var_1_12=64, var_1_13=8/5, var_1_14=7/2, var_1_15=8, var_1_16=4, var_1_17=2, var_1_18=10000, var_1_19=5, var_1_1=0, var_1_20=4, var_1_21=5, var_1_22=-32, var_1_23=0, var_1_3=256, var_1_4=1, var_1_5=-255, var_1_6=0, var_1_8=64] [L20] COND FALSE !(!cond) [L113] RET assume_abort_if_not(var_1_11 >= -127) VAL [isInitial=1, var_1_11=64, var_1_12=64, var_1_13=8/5, var_1_14=7/2, var_1_15=8, var_1_16=4, var_1_17=2, var_1_18=10000, var_1_19=5, var_1_1=0, var_1_20=4, var_1_21=5, var_1_22=-32, var_1_23=0, var_1_3=256, var_1_4=1, var_1_5=-255, var_1_6=0, var_1_8=64] [L114] CALL assume_abort_if_not(var_1_11 <= 126) VAL [\old(cond)=1, isInitial=1, var_1_11=64, var_1_12=64, var_1_13=8/5, var_1_14=7/2, var_1_15=8, var_1_16=4, var_1_17=2, var_1_18=10000, var_1_19=5, var_1_1=0, var_1_20=4, var_1_21=5, var_1_22=-32, var_1_23=0, var_1_3=256, var_1_4=1, var_1_5=-255, var_1_6=0, var_1_8=64] [L20] COND FALSE !(!cond) [L114] RET assume_abort_if_not(var_1_11 <= 126) VAL [isInitial=1, var_1_11=64, var_1_12=64, var_1_13=8/5, var_1_14=7/2, var_1_15=8, var_1_16=4, var_1_17=2, var_1_18=10000, var_1_19=5, var_1_1=0, var_1_20=4, var_1_21=5, var_1_22=-32, var_1_23=0, var_1_3=256, var_1_4=1, var_1_5=-255, var_1_6=0, var_1_8=64] [L115] var_1_12 = __VERIFIER_nondet_char() [L116] CALL assume_abort_if_not(var_1_12 >= -127) VAL [\old(cond)=1, isInitial=1, var_1_11=64, var_1_12=63, var_1_13=8/5, var_1_14=7/2, var_1_15=8, var_1_16=4, var_1_17=2, var_1_18=10000, var_1_19=5, var_1_1=0, var_1_20=4, var_1_21=5, var_1_22=-32, var_1_23=0, var_1_3=256, var_1_4=1, var_1_5=-255, var_1_6=0, var_1_8=64] [L20] COND FALSE !(!cond) [L116] RET assume_abort_if_not(var_1_12 >= -127) VAL [isInitial=1, var_1_11=64, var_1_12=63, var_1_13=8/5, var_1_14=7/2, var_1_15=8, var_1_16=4, var_1_17=2, var_1_18=10000, var_1_19=5, var_1_1=0, var_1_20=4, var_1_21=5, var_1_22=-32, var_1_23=0, var_1_3=256, var_1_4=1, var_1_5=-255, var_1_6=0, var_1_8=64] [L117] CALL assume_abort_if_not(var_1_12 <= 126) VAL [\old(cond)=1, isInitial=1, var_1_11=64, var_1_12=63, var_1_13=8/5, var_1_14=7/2, var_1_15=8, var_1_16=4, var_1_17=2, var_1_18=10000, var_1_19=5, var_1_1=0, var_1_20=4, var_1_21=5, var_1_22=-32, var_1_23=0, var_1_3=256, var_1_4=1, var_1_5=-255, var_1_6=0, var_1_8=64] [L20] COND FALSE !(!cond) [L117] RET assume_abort_if_not(var_1_12 <= 126) VAL [isInitial=1, var_1_11=64, var_1_12=63, var_1_13=8/5, var_1_14=7/2, var_1_15=8, var_1_16=4, var_1_17=2, var_1_18=10000, var_1_19=5, var_1_1=0, var_1_20=4, var_1_21=5, var_1_22=-32, var_1_23=0, var_1_3=256, var_1_4=1, var_1_5=-255, var_1_6=0, var_1_8=64] [L118] var_1_14 = __VERIFIER_nondet_float() [L119] CALL assume_abort_if_not((var_1_14 >= -922337.2036854765600e+13F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 9223372.036854765600e+12F && var_1_14 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_11=64, var_1_12=63, var_1_13=8/5, var_1_15=8, var_1_16=4, var_1_17=2, var_1_18=10000, var_1_19=5, var_1_1=0, var_1_20=4, var_1_21=5, var_1_22=-32, var_1_23=0, var_1_3=256, var_1_4=1, var_1_5=-255, var_1_6=0, var_1_8=64] [L20] COND FALSE !(!cond) [L119] RET assume_abort_if_not((var_1_14 >= -922337.2036854765600e+13F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 9223372.036854765600e+12F && var_1_14 >= 1.0e-20F )) VAL [isInitial=1, var_1_11=64, var_1_12=63, var_1_13=8/5, var_1_15=8, var_1_16=4, var_1_17=2, var_1_18=10000, var_1_19=5, var_1_1=0, var_1_20=4, var_1_21=5, var_1_22=-32, var_1_23=0, var_1_3=256, var_1_4=1, var_1_5=-255, var_1_6=0, var_1_8=64] [L120] var_1_16 = __VERIFIER_nondet_uchar() [L121] CALL assume_abort_if_not(var_1_16 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_11=64, var_1_12=63, var_1_13=8/5, var_1_15=8, var_1_17=2, var_1_18=10000, var_1_19=5, var_1_1=0, var_1_20=4, var_1_21=5, var_1_22=-32, var_1_23=0, var_1_3=256, var_1_4=1, var_1_5=-255, var_1_6=0, var_1_8=64] [L20] COND FALSE !(!cond) [L121] RET assume_abort_if_not(var_1_16 >= 0) VAL [isInitial=1, var_1_11=64, var_1_12=63, var_1_13=8/5, var_1_15=8, var_1_17=2, var_1_18=10000, var_1_19=5, var_1_1=0, var_1_20=4, var_1_21=5, var_1_22=-32, var_1_23=0, var_1_3=256, var_1_4=1, var_1_5=-255, var_1_6=0, var_1_8=64] [L122] CALL assume_abort_if_not(var_1_16 <= 254) VAL [\old(cond)=1, isInitial=1, var_1_11=64, var_1_12=63, var_1_13=8/5, var_1_15=8, var_1_16=-2, var_1_17=2, var_1_18=10000, var_1_19=5, var_1_1=0, var_1_20=4, var_1_21=5, var_1_22=-32, var_1_23=0, var_1_3=256, var_1_4=1, var_1_5=-255, var_1_6=0, var_1_8=64] [L20] COND FALSE !(!cond) [L122] RET assume_abort_if_not(var_1_16 <= 254) VAL [isInitial=1, var_1_11=64, var_1_12=63, var_1_13=8/5, var_1_15=8, var_1_16=-2, var_1_17=2, var_1_18=10000, var_1_19=5, var_1_1=0, var_1_20=4, var_1_21=5, var_1_22=-32, var_1_23=0, var_1_3=256, var_1_4=1, var_1_5=-255, var_1_6=0, var_1_8=64] [L123] var_1_18 = __VERIFIER_nondet_ushort() [L124] CALL assume_abort_if_not(var_1_18 >= 8192) VAL [\old(cond)=1, isInitial=1, var_1_11=64, var_1_12=63, var_1_13=8/5, var_1_15=8, var_1_16=-2, var_1_17=2, var_1_18=204800, var_1_19=5, var_1_1=0, var_1_20=4, var_1_21=5, var_1_22=-32, var_1_23=0, var_1_3=256, var_1_4=1, var_1_5=-255, var_1_6=0, var_1_8=64] [L20] COND FALSE !(!cond) [L124] RET assume_abort_if_not(var_1_18 >= 8192) VAL [isInitial=1, var_1_11=64, var_1_12=63, var_1_13=8/5, var_1_15=8, var_1_16=-2, var_1_17=2, var_1_18=204800, var_1_19=5, var_1_1=0, var_1_20=4, var_1_21=5, var_1_22=-32, var_1_23=0, var_1_3=256, var_1_4=1, var_1_5=-255, var_1_6=0, var_1_8=64] [L125] CALL assume_abort_if_not(var_1_18 <= 16384) VAL [\old(cond)=1, isInitial=1, var_1_11=64, var_1_12=63, var_1_13=8/5, var_1_15=8, var_1_16=-2, var_1_17=2, var_1_18=204800, var_1_19=5, var_1_1=0, var_1_20=4, var_1_21=5, var_1_22=-32, var_1_23=0, var_1_3=256, var_1_4=1, var_1_5=-255, var_1_6=0, var_1_8=64] [L20] COND FALSE !(!cond) [L125] RET assume_abort_if_not(var_1_18 <= 16384) VAL [isInitial=1, var_1_11=64, var_1_12=63, var_1_13=8/5, var_1_15=8, var_1_16=-2, var_1_17=2, var_1_18=204800, var_1_19=5, var_1_1=0, var_1_20=4, var_1_21=5, var_1_22=-32, var_1_23=0, var_1_3=256, var_1_4=1, var_1_5=-255, var_1_6=0, var_1_8=64] [L126] var_1_19 = __VERIFIER_nondet_ushort() [L127] CALL assume_abort_if_not(var_1_19 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_11=64, var_1_12=63, var_1_13=8/5, var_1_15=8, var_1_16=-2, var_1_17=2, var_1_18=204800, var_1_1=0, var_1_20=4, var_1_21=5, var_1_22=-32, var_1_23=0, var_1_3=256, var_1_4=1, var_1_5=-255, var_1_6=0, var_1_8=64] [L20] COND FALSE !(!cond) [L127] RET assume_abort_if_not(var_1_19 >= 0) VAL [isInitial=1, var_1_11=64, var_1_12=63, var_1_13=8/5, var_1_15=8, var_1_16=-2, var_1_17=2, var_1_18=204800, var_1_1=0, var_1_20=4, var_1_21=5, var_1_22=-32, var_1_23=0, var_1_3=256, var_1_4=1, var_1_5=-255, var_1_6=0, var_1_8=64] [L128] CALL assume_abort_if_not(var_1_19 <= 16383) VAL [\old(cond)=1, isInitial=1, var_1_11=64, var_1_12=63, var_1_13=8/5, var_1_15=8, var_1_16=-2, var_1_17=2, var_1_18=204800, var_1_19=65536, var_1_1=0, var_1_20=4, var_1_21=5, var_1_22=-32, var_1_23=0, var_1_3=256, var_1_4=1, var_1_5=-255, var_1_6=0, var_1_8=64] [L20] COND FALSE !(!cond) [L128] RET assume_abort_if_not(var_1_19 <= 16383) VAL [isInitial=1, var_1_11=64, var_1_12=63, var_1_13=8/5, var_1_15=8, var_1_16=-2, var_1_17=2, var_1_18=204800, var_1_19=65536, var_1_1=0, var_1_20=4, var_1_21=5, var_1_22=-32, var_1_23=0, var_1_3=256, var_1_4=1, var_1_5=-255, var_1_6=0, var_1_8=64] [L129] var_1_21 = __VERIFIER_nondet_ulong() [L130] CALL assume_abort_if_not(var_1_21 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_11=64, var_1_12=63, var_1_13=8/5, var_1_15=8, var_1_16=-2, var_1_17=2, var_1_18=204800, var_1_19=65536, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_3=256, var_1_4=1, var_1_5=-255, var_1_6=0, var_1_8=64] [L20] COND FALSE !(!cond) [L130] RET assume_abort_if_not(var_1_21 >= 0) VAL [isInitial=1, var_1_11=64, var_1_12=63, var_1_13=8/5, var_1_15=8, var_1_16=-2, var_1_17=2, var_1_18=204800, var_1_19=65536, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_3=256, var_1_4=1, var_1_5=-255, var_1_6=0, var_1_8=64] [L131] CALL assume_abort_if_not(var_1_21 <= 4294967295) VAL [\old(cond)=1, isInitial=1, var_1_11=64, var_1_12=63, var_1_13=8/5, var_1_15=8, var_1_16=-2, var_1_17=2, var_1_18=204800, var_1_19=65536, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_3=256, var_1_4=1, var_1_5=-255, var_1_6=0, var_1_8=64] [L20] COND FALSE !(!cond) [L131] RET assume_abort_if_not(var_1_21 <= 4294967295) VAL [isInitial=1, var_1_11=64, var_1_12=63, var_1_13=8/5, var_1_15=8, var_1_16=-2, var_1_17=2, var_1_18=204800, var_1_19=65536, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_3=256, var_1_4=1, var_1_5=-255, var_1_6=0, var_1_8=64] [L144] RET updateVariables() [L145] CALL step() [L48] COND TRUE (- var_1_2) > 31.9f [L49] var_1_1 = ((var_1_3 || var_1_4) && var_1_5) [L53] COND TRUE (127.35 + var_1_2) <= var_1_7 [L54] COND TRUE 4.5 <= (var_1_7 * var_1_2) [L55] var_1_6 = var_1_5 [L58] unsigned short int stepLocal_0 = var_1_10; [L59] COND FALSE !(var_1_9 > stepLocal_0) [L62] unsigned char stepLocal_1 = var_1_12 < var_1_8; [L63] COND TRUE (! var_1_5) || stepLocal_1 [L64] COND FALSE !(! var_1_5) [L67] var_1_13 = var_1_14 [L70] COND FALSE !(\read(var_1_3)) [L73] unsigned char stepLocal_2 = var_1_9 < var_1_15; [L74] COND FALSE !(var_1_3 || stepLocal_2) [L77] var_1_17 = (var_1_16 + var_1_18) [L79] signed long int stepLocal_3 = -10; [L80] COND FALSE !(((var_1_17 / var_1_18) * var_1_19) < stepLocal_3) [L83] COND FALSE !(! (var_1_21 <= var_1_10)) [L86] var_1_20 = var_1_12 [L89] var_1_22 = 1 [L90] var_1_23 = var_1_15 [L145] RET step() [L146] CALL, EXPR property() [L136-L137] return ((((((((((- var_1_2) > 31.9f) ? (var_1_1 == ((unsigned char) ((var_1_3 || var_1_4) && var_1_5))) : (var_1_1 == ((unsigned char) var_1_5))) && (((127.35 + var_1_2) <= var_1_7) ? ((4.5 <= (var_1_7 * var_1_2)) ? (var_1_6 == ((unsigned char) var_1_5)) : 1) : 1)) && ((var_1_9 > var_1_10) ? (var_1_8 == ((signed char) ((((var_1_11) < (var_1_12)) ? (var_1_11) : (var_1_12))))) : 1)) && (((! var_1_5) || (var_1_12 < var_1_8)) ? ((! var_1_5) ? (var_1_13 == ((float) var_1_14)) : (var_1_13 == ((float) var_1_14))) : 1)) && (var_1_3 ? (var_1_15 == ((unsigned char) var_1_16)) : 1)) && ((var_1_3 || (var_1_9 < var_1_15)) ? (var_1_17 == ((unsigned short int) (var_1_15 + ((var_1_18 - var_1_16) + var_1_19)))) : (var_1_17 == ((unsigned short int) (var_1_16 + var_1_18))))) && ((((var_1_17 / var_1_18) * var_1_19) < -10) ? (var_1_20 == ((signed short int) ((((var_1_19) > (var_1_16)) ? (var_1_19) : (var_1_16))))) : ((! (var_1_21 <= var_1_10)) ? (var_1_20 == ((signed short int) var_1_11)) : (var_1_20 == ((signed short int) var_1_12))))) && (var_1_22 == ((signed char) 1))) && (var_1_23 == ((unsigned long int) var_1_15)) ; [L146] RET, EXPR property() [L146] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, var_1_10=8, var_1_11=64, var_1_12=63, var_1_13=2, var_1_14=2, var_1_15=8, var_1_16=-2, var_1_17=8446, var_1_18=204800, var_1_19=65536, var_1_1=1, var_1_20=63, var_1_21=0, var_1_22=1, var_1_23=8, var_1_3=256, var_1_4=1, var_1_5=-255, var_1_6=-255, var_1_8=64, var_1_9=8] [L19] reach_error() VAL [isInitial=1, var_1_10=8, var_1_11=64, var_1_12=63, var_1_13=2, var_1_14=2, var_1_15=8, var_1_16=-2, var_1_17=8446, var_1_18=204800, var_1_19=65536, var_1_1=1, var_1_20=63, var_1_21=0, var_1_22=1, var_1_23=8, var_1_3=256, var_1_4=1, var_1_5=-255, var_1_6=-255, var_1_8=64, var_1_9=8] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 48 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.5s, OverallIterations: 1, TraceHistogramMax: 25, 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=48occurred 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, 0.7s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 186 NumberOfCodeBlocks, 186 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 04:14:06,382 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c935d4e1-5708-4391-8954-e532a00548cc/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_c935d4e1-5708-4391-8954-e532a00548cc/bin/utaipan-verify-sOmjnqqW8E/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c935d4e1-5708-4391-8954-e532a00548cc/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_c935d4e1-5708-4391-8954-e532a00548cc/bin/utaipan-verify-sOmjnqqW8E/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c935d4e1-5708-4391-8954-e532a00548cc/bin/utaipan-verify-sOmjnqqW8E/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-41.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c935d4e1-5708-4391-8954-e532a00548cc/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_c935d4e1-5708-4391-8954-e532a00548cc/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 98a19e0c547f7d3a72a6b0e726de4b196c22b807120fe6fe181da2453cf1b645 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-14 04:14:09,496 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-14 04:14:09,636 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c935d4e1-5708-4391-8954-e532a00548cc/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2024-11-14 04:14:09,650 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-14 04:14:09,650 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-14 04:14:09,699 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-14 04:14:09,702 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-14 04:14:09,702 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-14 04:14:09,703 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-14 04:14:09,703 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-14 04:14:09,703 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-14 04:14:09,704 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-14 04:14:09,704 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-14 04:14:09,704 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-14 04:14:09,704 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-14 04:14:09,704 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-14 04:14:09,705 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-14 04:14:09,705 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-14 04:14:09,705 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-14 04:14:09,705 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-14 04:14:09,705 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-14 04:14:09,705 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-14 04:14:09,705 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-14 04:14:09,705 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-14 04:14:09,706 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-14 04:14:09,706 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-14 04:14:09,706 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-14 04:14:09,706 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-14 04:14:09,706 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-14 04:14:09,706 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-14 04:14:09,706 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-14 04:14:09,706 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-14 04:14:09,707 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-14 04:14:09,707 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-14 04:14:09,707 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-14 04:14:09,707 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 04:14:09,707 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-14 04:14:09,707 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-14 04:14:09,707 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-14 04:14:09,707 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-14 04:14:09,707 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-14 04:14:09,708 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-14 04:14:09,708 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-14 04:14:09,708 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_c935d4e1-5708-4391-8954-e532a00548cc/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 -> 98a19e0c547f7d3a72a6b0e726de4b196c22b807120fe6fe181da2453cf1b645 [2024-11-14 04:14:10,093 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-14 04:14:10,104 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-14 04:14:10,107 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-14 04:14:10,108 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-14 04:14:10,109 INFO L274 PluginConnector]: CDTParser initialized [2024-11-14 04:14:10,110 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c935d4e1-5708-4391-8954-e532a00548cc/bin/utaipan-verify-sOmjnqqW8E/../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-41.i Unable to find full path for "g++" [2024-11-14 04:14:12,549 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-14 04:14:12,868 INFO L384 CDTParser]: Found 1 translation units. [2024-11-14 04:14:12,869 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c935d4e1-5708-4391-8954-e532a00548cc/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-41.i [2024-11-14 04:14:12,879 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c935d4e1-5708-4391-8954-e532a00548cc/bin/utaipan-verify-sOmjnqqW8E/data/ee8819db8/fadec49cf9e449d381d0af3d3ef0f893/FLAGd996ddfaa [2024-11-14 04:14:12,900 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c935d4e1-5708-4391-8954-e532a00548cc/bin/utaipan-verify-sOmjnqqW8E/data/ee8819db8/fadec49cf9e449d381d0af3d3ef0f893 [2024-11-14 04:14:12,903 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-14 04:14:12,904 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-14 04:14:12,906 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-14 04:14:12,907 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-14 04:14:12,912 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-14 04:14:12,913 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 04:14:12" (1/1) ... [2024-11-14 04:14:12,914 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7cd0a324 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:14:12, skipping insertion in model container [2024-11-14 04:14:12,914 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 04:14:12" (1/1) ... [2024-11-14 04:14:12,937 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-14 04:14:13,125 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_c935d4e1-5708-4391-8954-e532a00548cc/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-41.i[917,930] [2024-11-14 04:14:13,206 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 04:14:13,232 INFO L200 MainTranslator]: Completed pre-run [2024-11-14 04:14:13,247 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_c935d4e1-5708-4391-8954-e532a00548cc/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-41.i[917,930] [2024-11-14 04:14:13,305 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 04:14:13,328 INFO L204 MainTranslator]: Completed translation [2024-11-14 04:14:13,329 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:14:13 WrapperNode [2024-11-14 04:14:13,329 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-14 04:14:13,331 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-14 04:14:13,332 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-14 04:14:13,332 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-14 04:14:13,342 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:14:13" (1/1) ... [2024-11-14 04:14:13,360 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:14:13" (1/1) ... [2024-11-14 04:14:13,390 INFO L138 Inliner]: procedures = 27, calls = 38, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 151 [2024-11-14 04:14:13,391 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-14 04:14:13,391 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-14 04:14:13,392 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-14 04:14:13,392 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-14 04:14:13,401 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:14:13" (1/1) ... [2024-11-14 04:14:13,401 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:14:13" (1/1) ... [2024-11-14 04:14:13,406 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:14:13" (1/1) ... [2024-11-14 04:14:13,406 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:14:13" (1/1) ... [2024-11-14 04:14:13,418 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:14:13" (1/1) ... [2024-11-14 04:14:13,423 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:14:13" (1/1) ... [2024-11-14 04:14:13,426 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:14:13" (1/1) ... [2024-11-14 04:14:13,427 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:14:13" (1/1) ... [2024-11-14 04:14:13,431 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-14 04:14:13,437 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-14 04:14:13,437 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-14 04:14:13,437 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-14 04:14:13,438 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:14:13" (1/1) ... [2024-11-14 04:14:13,453 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 04:14:13,477 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c935d4e1-5708-4391-8954-e532a00548cc/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 04:14:13,490 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c935d4e1-5708-4391-8954-e532a00548cc/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-14 04:14:13,493 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c935d4e1-5708-4391-8954-e532a00548cc/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-14 04:14:13,515 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-14 04:14:13,515 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-14 04:14:13,515 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-14 04:14:13,515 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-14 04:14:13,515 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-14 04:14:13,515 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-14 04:14:13,607 INFO L238 CfgBuilder]: Building ICFG [2024-11-14 04:14:13,610 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-14 04:14:21,024 INFO L? ?]: Removed 16 outVars from TransFormulas that were not future-live. [2024-11-14 04:14:21,025 INFO L287 CfgBuilder]: Performing block encoding [2024-11-14 04:14:21,039 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-14 04:14:21,039 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-14 04:14:21,040 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 04:14:21 BoogieIcfgContainer [2024-11-14 04:14:21,040 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-14 04:14:21,044 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-14 04:14:21,044 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-14 04:14:21,078 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-14 04:14:21,078 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.11 04:14:12" (1/3) ... [2024-11-14 04:14:21,079 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f006efb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 04:14:21, skipping insertion in model container [2024-11-14 04:14:21,079 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:14:13" (2/3) ... [2024-11-14 04:14:21,079 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f006efb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 04:14:21, skipping insertion in model container [2024-11-14 04:14:21,079 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 04:14:21" (3/3) ... [2024-11-14 04:14:21,081 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_codestructure_steplocals_file-41.i [2024-11-14 04:14:21,100 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-14 04:14:21,101 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_codestructure_steplocals_file-41.i that has 2 procedures, 73 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-14 04:14:21,170 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-14 04:14:21,190 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;@51ef9f9e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-14 04:14:21,192 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-14 04:14:21,201 INFO L276 IsEmpty]: Start isEmpty. Operand has 73 states, 45 states have (on average 1.3333333333333333) internal successors, (60), 46 states have internal predecessors, (60), 25 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-14 04:14:21,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2024-11-14 04:14:21,231 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:14:21,233 INFO L215 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:14:21,233 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 04:14:21,239 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:14:21,240 INFO L85 PathProgramCache]: Analyzing trace with hash -104113655, now seen corresponding path program 1 times [2024-11-14 04:14:21,257 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 04:14:21,258 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [927682359] [2024-11-14 04:14:21,258 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:14:21,260 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 04:14:21,260 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c935d4e1-5708-4391-8954-e532a00548cc/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 04:14:21,264 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c935d4e1-5708-4391-8954-e532a00548cc/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 04:14:21,268 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c935d4e1-5708-4391-8954-e532a00548cc/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 04:14:21,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:14:21,905 INFO L255 TraceCheckSpWp]: Trace formula consists of 254 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-14 04:14:21,915 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 04:14:21,986 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 480 proven. 0 refuted. 0 times theorem prover too weak. 720 trivial. 0 not checked. [2024-11-14 04:14:21,986 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-14 04:14:21,987 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-14 04:14:21,987 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [927682359] [2024-11-14 04:14:21,987 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [927682359] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 04:14:21,987 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 04:14:21,991 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-14 04:14:21,992 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [851515357] [2024-11-14 04:14:21,993 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 04:14:21,997 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-14 04:14:21,997 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-14 04:14:22,018 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-14 04:14:22,019 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-14 04:14:22,021 INFO L87 Difference]: Start difference. First operand has 73 states, 45 states have (on average 1.3333333333333333) internal successors, (60), 46 states have internal predecessors, (60), 25 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) Second operand has 2 states, 2 states have (on average 21.0) internal successors, (42), 2 states have internal predecessors, (42), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2024-11-14 04:14:22,067 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 04:14:22,068 INFO L93 Difference]: Finished difference Result 139 states and 239 transitions. [2024-11-14 04:14:22,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-14 04:14:22,070 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 21.0) internal successors, (42), 2 states have internal predecessors, (42), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) Word has length 160 [2024-11-14 04:14:22,070 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 04:14:22,080 INFO L225 Difference]: With dead ends: 139 [2024-11-14 04:14:22,080 INFO L226 Difference]: Without dead ends: 69 [2024-11-14 04:14:22,087 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 159 GetRequests, 159 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 04:14:22,093 INFO L432 NwaCegarLoop]: 103 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, 103 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 04:14:22,094 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 103 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-14 04:14:22,109 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states. [2024-11-14 04:14:22,140 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 69. [2024-11-14 04:14:22,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 69 states, 42 states have (on average 1.2619047619047619) internal successors, (53), 42 states have internal predecessors, (53), 25 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-14 04:14:22,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 103 transitions. [2024-11-14 04:14:22,154 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 103 transitions. Word has length 160 [2024-11-14 04:14:22,155 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 04:14:22,155 INFO L471 AbstractCegarLoop]: Abstraction has 69 states and 103 transitions. [2024-11-14 04:14:22,155 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 21.0) internal successors, (42), 2 states have internal predecessors, (42), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2024-11-14 04:14:22,155 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 103 transitions. [2024-11-14 04:14:22,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2024-11-14 04:14:22,162 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:14:22,162 INFO L215 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:14:22,175 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c935d4e1-5708-4391-8954-e532a00548cc/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)] Forceful destruction successful, exit code 0 [2024-11-14 04:14:22,363 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c935d4e1-5708-4391-8954-e532a00548cc/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 04:14:22,363 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 04:14:22,364 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:14:22,364 INFO L85 PathProgramCache]: Analyzing trace with hash -1502349625, now seen corresponding path program 1 times [2024-11-14 04:14:22,365 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 04:14:22,365 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1043202154] [2024-11-14 04:14:22,365 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:14:22,365 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 04:14:22,365 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c935d4e1-5708-4391-8954-e532a00548cc/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 04:14:22,367 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c935d4e1-5708-4391-8954-e532a00548cc/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 04:14:22,369 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c935d4e1-5708-4391-8954-e532a00548cc/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 04:14:22,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:14:22,867 INFO L255 TraceCheckSpWp]: Trace formula consists of 254 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-14 04:14:22,892 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 04:14:24,935 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 468 proven. 24 refuted. 0 times theorem prover too weak. 708 trivial. 0 not checked. [2024-11-14 04:14:24,936 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 04:14:28,288 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-14 04:14:28,289 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1043202154] [2024-11-14 04:14:28,289 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1043202154] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 04:14:28,289 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [131339954] [2024-11-14 04:14:28,289 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:14:28,289 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-14 04:14:28,290 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c935d4e1-5708-4391-8954-e532a00548cc/bin/utaipan-verify-sOmjnqqW8E/cvc4 [2024-11-14 04:14:28,301 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c935d4e1-5708-4391-8954-e532a00548cc/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-14 04:14:28,304 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c935d4e1-5708-4391-8954-e532a00548cc/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-14 04:14:29,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:14:29,814 INFO L255 TraceCheckSpWp]: Trace formula consists of 254 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-14 04:14:29,833 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 04:14:31,038 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 468 proven. 24 refuted. 0 times theorem prover too weak. 708 trivial. 0 not checked. [2024-11-14 04:14:31,039 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 04:14:32,572 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [131339954] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 04:14:32,572 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1692425352] [2024-11-14 04:14:32,572 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:14:32,573 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 04:14:32,573 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c935d4e1-5708-4391-8954-e532a00548cc/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 04:14:32,575 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c935d4e1-5708-4391-8954-e532a00548cc/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-14 04:14:32,578 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c935d4e1-5708-4391-8954-e532a00548cc/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-14 04:14:33,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:14:33,522 INFO L255 TraceCheckSpWp]: Trace formula consists of 254 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-14 04:14:33,526 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 04:14:34,663 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 468 proven. 24 refuted. 0 times theorem prover too weak. 708 trivial. 0 not checked. [2024-11-14 04:14:34,664 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 04:14:36,551 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1692425352] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 04:14:36,551 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-14 04:14:36,552 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12, 12] total 12 [2024-11-14 04:14:36,552 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [295504175] [2024-11-14 04:14:36,552 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-14 04:14:36,554 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-14 04:14:36,554 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-14 04:14:36,555 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-14 04:14:36,555 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=130, Unknown=0, NotChecked=0, Total=182 [2024-11-14 04:14:36,556 INFO L87 Difference]: Start difference. First operand 69 states and 103 transitions. Second operand has 12 states, 12 states have (on average 4.416666666666667) internal successors, (53), 11 states have internal predecessors, (53), 4 states have call successors, (25), 4 states have call predecessors, (25), 6 states have return successors, (25), 4 states have call predecessors, (25), 4 states have call successors, (25) [2024-11-14 04:14:40,580 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 04:14:41,710 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 04:14:41,710 INFO L93 Difference]: Finished difference Result 151 states and 216 transitions. [2024-11-14 04:14:41,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-14 04:14:41,746 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 4.416666666666667) internal successors, (53), 11 states have internal predecessors, (53), 4 states have call successors, (25), 4 states have call predecessors, (25), 6 states have return successors, (25), 4 states have call predecessors, (25), 4 states have call successors, (25) Word has length 160 [2024-11-14 04:14:41,747 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 04:14:41,748 INFO L225 Difference]: With dead ends: 151 [2024-11-14 04:14:41,749 INFO L226 Difference]: Without dead ends: 85 [2024-11-14 04:14:41,750 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 536 GetRequests, 520 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=96, Invalid=210, Unknown=0, NotChecked=0, Total=306 [2024-11-14 04:14:41,751 INFO L432 NwaCegarLoop]: 72 mSDtfsCounter, 93 mSDsluCounter, 229 mSDsCounter, 0 mSdLazyCounter, 324 mSolverCounterSat, 67 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 112 SdHoareTripleChecker+Valid, 301 SdHoareTripleChecker+Invalid, 392 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 67 IncrementalHoareTripleChecker+Valid, 324 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.7s IncrementalHoareTripleChecker+Time [2024-11-14 04:14:41,751 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [112 Valid, 301 Invalid, 392 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [67 Valid, 324 Invalid, 1 Unknown, 0 Unchecked, 4.7s Time] [2024-11-14 04:14:41,752 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85 states. [2024-11-14 04:14:41,769 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85 to 81. [2024-11-14 04:14:41,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 81 states, 51 states have (on average 1.196078431372549) internal successors, (61), 51 states have internal predecessors, (61), 25 states have call successors, (25), 4 states have call predecessors, (25), 4 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-14 04:14:41,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 111 transitions. [2024-11-14 04:14:41,772 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 111 transitions. Word has length 160 [2024-11-14 04:14:41,773 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 04:14:41,773 INFO L471 AbstractCegarLoop]: Abstraction has 81 states and 111 transitions. [2024-11-14 04:14:41,774 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 4.416666666666667) internal successors, (53), 11 states have internal predecessors, (53), 4 states have call successors, (25), 4 states have call predecessors, (25), 6 states have return successors, (25), 4 states have call predecessors, (25), 4 states have call successors, (25) [2024-11-14 04:14:41,774 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 111 transitions. [2024-11-14 04:14:41,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2024-11-14 04:14:41,780 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:14:41,781 INFO L215 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:14:41,793 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c935d4e1-5708-4391-8954-e532a00548cc/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2024-11-14 04:14:41,992 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c935d4e1-5708-4391-8954-e532a00548cc/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)] Ended with exit code 0 [2024-11-14 04:14:42,215 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c935d4e1-5708-4391-8954-e532a00548cc/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-11-14 04:14:42,383 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c935d4e1-5708-4391-8954-e532a00548cc/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c935d4e1-5708-4391-8954-e532a00548cc/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=3,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c935d4e1-5708-4391-8954-e532a00548cc/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 04:14:42,383 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 04:14:42,384 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:14:42,384 INFO L85 PathProgramCache]: Analyzing trace with hash -1964584099, now seen corresponding path program 1 times [2024-11-14 04:14:42,385 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 04:14:42,385 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1212072666] [2024-11-14 04:14:42,385 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:14:42,385 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 04:14:42,385 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c935d4e1-5708-4391-8954-e532a00548cc/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 04:14:42,390 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c935d4e1-5708-4391-8954-e532a00548cc/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 04:14:42,391 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c935d4e1-5708-4391-8954-e532a00548cc/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 (6)] Waiting until timeout for monitored process [2024-11-14 04:14:43,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:14:43,121 INFO L255 TraceCheckSpWp]: Trace formula consists of 255 conjuncts, 34 conjuncts are in the unsatisfiable core [2024-11-14 04:14:43,129 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 04:16:48,349 WARN L286 SmtUtils]: Spent 5.49s on a formula simplification that was a NOOP. DAG size: 69 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-14 04:17:12,757 WARN L286 SmtUtils]: Spent 5.71s on a formula simplification that was a NOOP. DAG size: 69 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-14 04:17:38,539 WARN L286 SmtUtils]: Spent 8.02s on a formula simplification that was a NOOP. DAG size: 74 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-14 04:18:19,849 WARN L286 SmtUtils]: Spent 7.94s on a formula simplification that was a NOOP. DAG size: 77 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-14 04:19:00,613 WARN L286 SmtUtils]: Spent 10.80s on a formula simplification that was a NOOP. DAG size: 81 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)