./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-81.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_49638b4a-f479-441e-a12d-c536a3d68f55/bin/utaipan-verify-sOmjnqqW8E/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49638b4a-f479-441e-a12d-c536a3d68f55/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_49638b4a-f479-441e-a12d-c536a3d68f55/bin/utaipan-verify-sOmjnqqW8E/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49638b4a-f479-441e-a12d-c536a3d68f55/bin/utaipan-verify-sOmjnqqW8E/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-81.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49638b4a-f479-441e-a12d-c536a3d68f55/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_49638b4a-f479-441e-a12d-c536a3d68f55/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 4ec23d859d65533fc787a9c2fed70b8c69daa3b1ed2a3fca10d530d490a26e0e --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-14 03:02:28,767 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-14 03:02:28,842 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49638b4a-f479-441e-a12d-c536a3d68f55/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Reach-32bit-Taipan_Default.epf [2024-11-14 03:02:28,849 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-14 03:02:28,849 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-14 03:02:28,880 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-14 03:02:28,881 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-14 03:02:28,882 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-14 03:02:28,882 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-14 03:02:28,882 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-14 03:02:28,883 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-14 03:02:28,883 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-14 03:02:28,883 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-14 03:02:28,883 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-14 03:02:28,883 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-14 03:02:28,884 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-14 03:02:28,884 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-14 03:02:28,884 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-14 03:02:28,884 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-14 03:02:28,885 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-14 03:02:28,887 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-14 03:02:28,887 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-14 03:02:28,888 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-14 03:02:28,888 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-14 03:02:28,888 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-14 03:02:28,888 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-14 03:02:28,888 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-14 03:02:28,889 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-14 03:02:28,889 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-14 03:02:28,889 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-14 03:02:28,889 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-14 03:02:28,889 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-14 03:02:28,889 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-14 03:02:28,889 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-14 03:02:28,889 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-14 03:02:28,890 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-14 03:02:28,890 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-14 03:02:28,890 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-14 03:02:28,890 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 03:02:28,890 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-14 03:02:28,890 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-14 03:02:28,890 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-14 03:02:28,890 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-14 03:02:28,894 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-14 03:02:28,894 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-14 03:02:28,894 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-14 03:02:28,894 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-14 03:02:28,895 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_49638b4a-f479-441e-a12d-c536a3d68f55/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 -> 4ec23d859d65533fc787a9c2fed70b8c69daa3b1ed2a3fca10d530d490a26e0e [2024-11-14 03:02:29,363 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-14 03:02:29,380 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-14 03:02:29,385 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-14 03:02:29,388 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-14 03:02:29,389 INFO L274 PluginConnector]: CDTParser initialized [2024-11-14 03:02:29,391 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49638b4a-f479-441e-a12d-c536a3d68f55/bin/utaipan-verify-sOmjnqqW8E/../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-81.i Unable to find full path for "g++" [2024-11-14 03:02:31,856 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-14 03:02:32,290 INFO L384 CDTParser]: Found 1 translation units. [2024-11-14 03:02:32,292 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49638b4a-f479-441e-a12d-c536a3d68f55/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-81.i [2024-11-14 03:02:32,303 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49638b4a-f479-441e-a12d-c536a3d68f55/bin/utaipan-verify-sOmjnqqW8E/data/2c38d5646/636858d1775548c69078abccd63dc616/FLAG0c5a01943 [2024-11-14 03:02:32,324 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49638b4a-f479-441e-a12d-c536a3d68f55/bin/utaipan-verify-sOmjnqqW8E/data/2c38d5646/636858d1775548c69078abccd63dc616 [2024-11-14 03:02:32,327 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-14 03:02:32,329 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-14 03:02:32,331 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-14 03:02:32,331 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-14 03:02:32,337 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-14 03:02:32,338 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 03:02:32" (1/1) ... [2024-11-14 03:02:32,340 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2b724104 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:02:32, skipping insertion in model container [2024-11-14 03:02:32,340 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 03:02:32" (1/1) ... [2024-11-14 03:02:32,367 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-14 03:02:32,541 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_49638b4a-f479-441e-a12d-c536a3d68f55/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-81.i[913,926] [2024-11-14 03:02:32,648 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 03:02:32,663 INFO L200 MainTranslator]: Completed pre-run [2024-11-14 03:02:32,676 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_49638b4a-f479-441e-a12d-c536a3d68f55/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-81.i[913,926] [2024-11-14 03:02:32,717 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 03:02:32,739 INFO L204 MainTranslator]: Completed translation [2024-11-14 03:02:32,740 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:02:32 WrapperNode [2024-11-14 03:02:32,740 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-14 03:02:32,742 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-14 03:02:32,742 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-14 03:02:32,742 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-14 03:02:32,751 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:02:32" (1/1) ... [2024-11-14 03:02:32,763 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:02:32" (1/1) ... [2024-11-14 03:02:32,834 INFO L138 Inliner]: procedures = 26, calls = 45, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 188 [2024-11-14 03:02:32,838 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-14 03:02:32,839 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-14 03:02:32,839 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-14 03:02:32,839 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-14 03:02:32,851 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:02:32" (1/1) ... [2024-11-14 03:02:32,851 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:02:32" (1/1) ... [2024-11-14 03:02:32,858 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:02:32" (1/1) ... [2024-11-14 03:02:32,858 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:02:32" (1/1) ... [2024-11-14 03:02:32,877 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:02:32" (1/1) ... [2024-11-14 03:02:32,883 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:02:32" (1/1) ... [2024-11-14 03:02:32,887 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:02:32" (1/1) ... [2024-11-14 03:02:32,890 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:02:32" (1/1) ... [2024-11-14 03:02:32,894 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-14 03:02:32,896 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-14 03:02:32,896 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-14 03:02:32,896 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-14 03:02:32,897 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:02:32" (1/1) ... [2024-11-14 03:02:32,905 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 03:02:32,926 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49638b4a-f479-441e-a12d-c536a3d68f55/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 03:02:32,947 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49638b4a-f479-441e-a12d-c536a3d68f55/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-14 03:02:32,953 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49638b4a-f479-441e-a12d-c536a3d68f55/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-14 03:02:32,992 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-14 03:02:32,993 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-14 03:02:32,993 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-14 03:02:32,993 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-14 03:02:32,993 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-14 03:02:32,994 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-14 03:02:33,124 INFO L238 CfgBuilder]: Building ICFG [2024-11-14 03:02:33,127 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-14 03:02:33,712 INFO L? ?]: Removed 10 outVars from TransFormulas that were not future-live. [2024-11-14 03:02:33,713 INFO L287 CfgBuilder]: Performing block encoding [2024-11-14 03:02:34,025 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-14 03:02:34,025 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-14 03:02:34,026 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 03:02:34 BoogieIcfgContainer [2024-11-14 03:02:34,026 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-14 03:02:34,028 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-14 03:02:34,029 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-14 03:02:34,035 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-14 03:02:34,035 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.11 03:02:32" (1/3) ... [2024-11-14 03:02:34,036 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@855a095 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 03:02:34, skipping insertion in model container [2024-11-14 03:02:34,036 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:02:32" (2/3) ... [2024-11-14 03:02:34,037 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@855a095 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 03:02:34, skipping insertion in model container [2024-11-14 03:02:34,037 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 03:02:34" (3/3) ... [2024-11-14 03:02:34,039 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_codestructure_normal_file-81.i [2024-11-14 03:02:34,060 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-14 03:02:34,062 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_codestructure_normal_file-81.i that has 2 procedures, 57 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-14 03:02:34,133 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-14 03:02:34,150 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;@4dcce59d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-14 03:02:34,150 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-14 03:02:34,155 INFO L276 IsEmpty]: Start isEmpty. Operand has 57 states, 22 states have (on average 1.1363636363636365) internal successors, (25), 23 states have internal predecessors, (25), 32 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32) [2024-11-14 03:02:34,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2024-11-14 03:02:34,170 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 03:02:34,171 INFO L215 NwaCegarLoop]: trace histogram [32, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 03:02:34,172 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 03:02:34,178 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 03:02:34,179 INFO L85 PathProgramCache]: Analyzing trace with hash -751859336, now seen corresponding path program 1 times [2024-11-14 03:02:34,190 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 03:02:34,191 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1682584144] [2024-11-14 03:02:34,191 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:02:34,193 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 03:02:35,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-14 03:02:35,109 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [539594120] [2024-11-14 03:02:35,110 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:02:35,110 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 03:02:35,110 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49638b4a-f479-441e-a12d-c536a3d68f55/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 03:02:35,113 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49638b4a-f479-441e-a12d-c536a3d68f55/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-14 03:02:35,117 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49638b4a-f479-441e-a12d-c536a3d68f55/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-14 03:02:35,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-14 03:02:35,520 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-14 03:02:35,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-14 03:02:35,884 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2024-11-14 03:02:35,888 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-14 03:02:35,891 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-14 03:02:35,922 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49638b4a-f479-441e-a12d-c536a3d68f55/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-14 03:02:36,094 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49638b4a-f479-441e-a12d-c536a3d68f55/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 03:02:36,099 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-14 03:02:36,246 INFO L173 ceAbstractionStarter]: Computing trace abstraction results [2024-11-14 03:02:36,253 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.11 03:02:36 BoogieIcfgContainer [2024-11-14 03:02:36,253 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-14 03:02:36,254 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-14 03:02:36,254 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-14 03:02:36,255 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-14 03:02:36,256 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 03:02:34" (3/4) ... [2024-11-14 03:02:36,259 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-14 03:02:36,260 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-14 03:02:36,262 INFO L158 Benchmark]: Toolchain (without parser) took 3933.08ms. Allocated memory is still 117.4MB. Free memory was 92.6MB in the beginning and 46.0MB in the end (delta: 46.6MB). Peak memory consumption was 49.9MB. Max. memory is 16.1GB. [2024-11-14 03:02:36,263 INFO L158 Benchmark]: CDTParser took 1.54ms. Allocated memory is still 117.4MB. Free memory is still 73.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 03:02:36,263 INFO L158 Benchmark]: CACSL2BoogieTranslator took 410.24ms. Allocated memory is still 117.4MB. Free memory was 92.4MB in the beginning and 78.2MB in the end (delta: 14.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-14 03:02:36,264 INFO L158 Benchmark]: Boogie Procedure Inliner took 96.17ms. Allocated memory is still 117.4MB. Free memory was 78.2MB in the beginning and 74.1MB in the end (delta: 4.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 03:02:36,264 INFO L158 Benchmark]: Boogie Preprocessor took 56.07ms. Allocated memory is still 117.4MB. Free memory was 74.1MB in the beginning and 72.4MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 03:02:36,265 INFO L158 Benchmark]: RCFGBuilder took 1130.57ms. Allocated memory is still 117.4MB. Free memory was 72.4MB in the beginning and 72.4MB in the end (delta: -39.2kB). Peak memory consumption was 46.6MB. Max. memory is 16.1GB. [2024-11-14 03:02:36,265 INFO L158 Benchmark]: TraceAbstraction took 2225.07ms. Allocated memory is still 117.4MB. Free memory was 71.9MB in the beginning and 46.8MB in the end (delta: 25.0MB). Peak memory consumption was 20.1MB. Max. memory is 16.1GB. [2024-11-14 03:02:36,265 INFO L158 Benchmark]: Witness Printer took 6.36ms. Allocated memory is still 117.4MB. Free memory was 46.8MB in the beginning and 46.0MB in the end (delta: 793.1kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-14 03:02:36,268 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.54ms. Allocated memory is still 117.4MB. Free memory is still 73.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 410.24ms. Allocated memory is still 117.4MB. Free memory was 92.4MB in the beginning and 78.2MB in the end (delta: 14.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 96.17ms. Allocated memory is still 117.4MB. Free memory was 78.2MB in the beginning and 74.1MB in the end (delta: 4.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 56.07ms. Allocated memory is still 117.4MB. Free memory was 74.1MB in the beginning and 72.4MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 1130.57ms. Allocated memory is still 117.4MB. Free memory was 72.4MB in the beginning and 72.4MB in the end (delta: -39.2kB). Peak memory consumption was 46.6MB. Max. memory is 16.1GB. * TraceAbstraction took 2225.07ms. Allocated memory is still 117.4MB. Free memory was 71.9MB in the beginning and 46.8MB in the end (delta: 25.0MB). Peak memory consumption was 20.1MB. Max. memory is 16.1GB. * Witness Printer took 6.36ms. Allocated memory is still 117.4MB. Free memory was 46.8MB in the beginning and 46.0MB in the end (delta: 793.1kB). Peak memory consumption was 8.4MB. 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 bitwiseAnd at line 73. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned char var_1_1 = 5; [L23] signed long int var_1_2 = -2; [L24] signed long int var_1_3 = -32; [L25] signed long int var_1_4 = 50; [L26] unsigned char var_1_5 = 128; [L27] unsigned char var_1_6 = 4; [L28] unsigned char var_1_7 = 10; [L29] unsigned char var_1_8 = 0; [L30] unsigned char var_1_9 = 1; [L31] unsigned long int var_1_10 = 0; [L32] unsigned short int var_1_11 = 4; [L33] unsigned short int var_1_12 = 54828; [L34] unsigned short int var_1_13 = 61894; [L35] unsigned short int var_1_14 = 10000; [L36] unsigned short int var_1_15 = 10000; [L37] signed short int var_1_16 = 0; [L38] signed char var_1_17 = 32; [L39] signed char var_1_18 = 64; [L40] signed char var_1_19 = 10; [L41] signed char var_1_20 = 8; [L42] signed char var_1_21 = 5; [L43] signed char var_1_22 = 2; [L44] signed char var_1_23 = 64; [L45] signed long int var_1_24 = -5; [L139] isInitial = 1 [L140] FCALL initially() [L141] COND TRUE 1 [L142] FCALL updateLastVariables() [L143] CALL updateVariables() [L83] var_1_2 = __VERIFIER_nondet_long() [L84] CALL assume_abort_if_not(var_1_2 >= -2147483648) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=4, var_1_12=54828, var_1_13=61894, var_1_14=10000, var_1_15=10000, var_1_16=0, var_1_17=32, var_1_18=64, var_1_19=10, var_1_1=5, var_1_20=8, var_1_21=5, var_1_22=2, var_1_23=64, var_1_24=-5, var_1_2=255, var_1_3=-32, var_1_4=50, var_1_5=128, var_1_6=4, var_1_7=10, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L84] RET assume_abort_if_not(var_1_2 >= -2147483648) VAL [isInitial=1, var_1_10=0, var_1_11=4, var_1_12=54828, var_1_13=61894, var_1_14=10000, var_1_15=10000, var_1_16=0, var_1_17=32, var_1_18=64, var_1_19=10, var_1_1=5, var_1_20=8, var_1_21=5, var_1_22=2, var_1_23=64, var_1_24=-5, var_1_2=255, var_1_3=-32, var_1_4=50, var_1_5=128, var_1_6=4, var_1_7=10, var_1_8=0, var_1_9=1] [L85] CALL assume_abort_if_not(var_1_2 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=4, var_1_12=54828, var_1_13=61894, var_1_14=10000, var_1_15=10000, var_1_16=0, var_1_17=32, var_1_18=64, var_1_19=10, var_1_1=5, var_1_20=8, var_1_21=5, var_1_22=2, var_1_23=64, var_1_24=-5, var_1_2=255, var_1_3=-32, var_1_4=50, var_1_5=128, var_1_6=4, var_1_7=10, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L85] RET assume_abort_if_not(var_1_2 <= 2147483647) VAL [isInitial=1, var_1_10=0, var_1_11=4, var_1_12=54828, var_1_13=61894, var_1_14=10000, var_1_15=10000, var_1_16=0, var_1_17=32, var_1_18=64, var_1_19=10, var_1_1=5, var_1_20=8, var_1_21=5, var_1_22=2, var_1_23=64, var_1_24=-5, var_1_2=255, var_1_3=-32, var_1_4=50, var_1_5=128, var_1_6=4, var_1_7=10, var_1_8=0, var_1_9=1] [L86] var_1_3 = __VERIFIER_nondet_long() [L87] CALL assume_abort_if_not(var_1_3 >= -2147483648) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=4, var_1_12=54828, var_1_13=61894, var_1_14=10000, var_1_15=10000, var_1_16=0, var_1_17=32, var_1_18=64, var_1_19=10, var_1_1=5, var_1_20=8, var_1_21=5, var_1_22=2, var_1_23=64, var_1_24=-5, var_1_2=255, var_1_3=1, var_1_4=50, var_1_5=128, var_1_6=4, var_1_7=10, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L87] RET assume_abort_if_not(var_1_3 >= -2147483648) VAL [isInitial=1, var_1_10=0, var_1_11=4, var_1_12=54828, var_1_13=61894, var_1_14=10000, var_1_15=10000, var_1_16=0, var_1_17=32, var_1_18=64, var_1_19=10, var_1_1=5, var_1_20=8, var_1_21=5, var_1_22=2, var_1_23=64, var_1_24=-5, var_1_2=255, var_1_3=1, var_1_4=50, var_1_5=128, var_1_6=4, var_1_7=10, var_1_8=0, var_1_9=1] [L88] CALL assume_abort_if_not(var_1_3 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=4, var_1_12=54828, var_1_13=61894, var_1_14=10000, var_1_15=10000, var_1_16=0, var_1_17=32, var_1_18=64, var_1_19=10, var_1_1=5, var_1_20=8, var_1_21=5, var_1_22=2, var_1_23=64, var_1_24=-5, var_1_2=255, var_1_3=1, var_1_4=50, var_1_5=128, var_1_6=4, var_1_7=10, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L88] RET assume_abort_if_not(var_1_3 <= 2147483647) VAL [isInitial=1, var_1_10=0, var_1_11=4, var_1_12=54828, var_1_13=61894, var_1_14=10000, var_1_15=10000, var_1_16=0, var_1_17=32, var_1_18=64, var_1_19=10, var_1_1=5, var_1_20=8, var_1_21=5, var_1_22=2, var_1_23=64, var_1_24=-5, var_1_2=255, var_1_3=1, var_1_4=50, var_1_5=128, var_1_6=4, var_1_7=10, var_1_8=0, var_1_9=1] [L89] var_1_4 = __VERIFIER_nondet_long() [L90] CALL assume_abort_if_not(var_1_4 >= -2147483648) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=4, var_1_12=54828, var_1_13=61894, var_1_14=10000, var_1_15=10000, var_1_16=0, var_1_17=32, var_1_18=64, var_1_19=10, var_1_1=5, var_1_20=8, var_1_21=5, var_1_22=2, var_1_23=64, var_1_24=-5, var_1_2=255, var_1_3=1, var_1_4=253, var_1_5=128, var_1_6=4, var_1_7=10, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L90] RET assume_abort_if_not(var_1_4 >= -2147483648) VAL [isInitial=1, var_1_10=0, var_1_11=4, var_1_12=54828, var_1_13=61894, var_1_14=10000, var_1_15=10000, var_1_16=0, var_1_17=32, var_1_18=64, var_1_19=10, var_1_1=5, var_1_20=8, var_1_21=5, var_1_22=2, var_1_23=64, var_1_24=-5, var_1_2=255, var_1_3=1, var_1_4=253, var_1_5=128, var_1_6=4, var_1_7=10, var_1_8=0, var_1_9=1] [L91] CALL assume_abort_if_not(var_1_4 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=4, var_1_12=54828, var_1_13=61894, var_1_14=10000, var_1_15=10000, var_1_16=0, var_1_17=32, var_1_18=64, var_1_19=10, var_1_1=5, var_1_20=8, var_1_21=5, var_1_22=2, var_1_23=64, var_1_24=-5, var_1_2=255, var_1_3=1, var_1_4=253, var_1_5=128, var_1_6=4, var_1_7=10, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L91] RET assume_abort_if_not(var_1_4 <= 2147483647) VAL [isInitial=1, var_1_10=0, var_1_11=4, var_1_12=54828, var_1_13=61894, var_1_14=10000, var_1_15=10000, var_1_16=0, var_1_17=32, var_1_18=64, var_1_19=10, var_1_1=5, var_1_20=8, var_1_21=5, var_1_22=2, var_1_23=64, var_1_24=-5, var_1_2=255, var_1_3=1, var_1_4=253, var_1_5=128, var_1_6=4, var_1_7=10, var_1_8=0, var_1_9=1] [L92] var_1_5 = __VERIFIER_nondet_uchar() [L93] CALL assume_abort_if_not(var_1_5 >= 127) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=4, var_1_12=54828, var_1_13=61894, var_1_14=10000, var_1_15=10000, var_1_16=0, var_1_17=32, var_1_18=64, var_1_19=10, var_1_1=5, var_1_20=8, var_1_21=5, var_1_22=2, var_1_23=64, var_1_24=-5, var_1_2=255, var_1_3=1, var_1_4=253, var_1_5=-258, var_1_6=4, var_1_7=10, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L93] RET assume_abort_if_not(var_1_5 >= 127) VAL [isInitial=1, var_1_10=0, var_1_11=4, var_1_12=54828, var_1_13=61894, var_1_14=10000, var_1_15=10000, var_1_16=0, var_1_17=32, var_1_18=64, var_1_19=10, var_1_1=5, var_1_20=8, var_1_21=5, var_1_22=2, var_1_23=64, var_1_24=-5, var_1_2=255, var_1_3=1, var_1_4=253, var_1_5=-258, var_1_6=4, var_1_7=10, var_1_8=0, var_1_9=1] [L94] CALL assume_abort_if_not(var_1_5 <= 254) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=4, var_1_12=54828, var_1_13=61894, var_1_14=10000, var_1_15=10000, var_1_16=0, var_1_17=32, var_1_18=64, var_1_19=10, var_1_1=5, var_1_20=8, var_1_21=5, var_1_22=2, var_1_23=64, var_1_24=-5, var_1_2=255, var_1_3=1, var_1_4=253, var_1_5=-258, var_1_6=4, var_1_7=10, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L94] RET assume_abort_if_not(var_1_5 <= 254) VAL [isInitial=1, var_1_10=0, var_1_11=4, var_1_12=54828, var_1_13=61894, var_1_14=10000, var_1_15=10000, var_1_16=0, var_1_17=32, var_1_18=64, var_1_19=10, var_1_1=5, var_1_20=8, var_1_21=5, var_1_22=2, var_1_23=64, var_1_24=-5, var_1_2=255, var_1_3=1, var_1_4=253, var_1_5=-258, var_1_6=4, var_1_7=10, var_1_8=0, var_1_9=1] [L95] var_1_6 = __VERIFIER_nondet_uchar() [L96] CALL assume_abort_if_not(var_1_6 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=4, var_1_12=54828, var_1_13=61894, var_1_14=10000, var_1_15=10000, var_1_16=0, var_1_17=32, var_1_18=64, var_1_19=10, var_1_1=5, var_1_20=8, var_1_21=5, var_1_22=2, var_1_23=64, var_1_24=-5, var_1_2=255, var_1_3=1, var_1_4=253, var_1_5=-258, var_1_7=10, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L96] RET assume_abort_if_not(var_1_6 >= 0) VAL [isInitial=1, var_1_10=0, var_1_11=4, var_1_12=54828, var_1_13=61894, var_1_14=10000, var_1_15=10000, var_1_16=0, var_1_17=32, var_1_18=64, var_1_19=10, var_1_1=5, var_1_20=8, var_1_21=5, var_1_22=2, var_1_23=64, var_1_24=-5, var_1_2=255, var_1_3=1, var_1_4=253, var_1_5=-258, var_1_7=10, var_1_8=0, var_1_9=1] [L97] CALL assume_abort_if_not(var_1_6 <= 127) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=4, var_1_12=54828, var_1_13=61894, var_1_14=10000, var_1_15=10000, var_1_16=0, var_1_17=32, var_1_18=64, var_1_19=10, var_1_1=5, var_1_20=8, var_1_21=5, var_1_22=2, var_1_23=64, var_1_24=-5, var_1_2=255, var_1_3=1, var_1_4=253, var_1_5=-258, var_1_6=383, var_1_7=10, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L97] RET assume_abort_if_not(var_1_6 <= 127) VAL [isInitial=1, var_1_10=0, var_1_11=4, var_1_12=54828, var_1_13=61894, var_1_14=10000, var_1_15=10000, var_1_16=0, var_1_17=32, var_1_18=64, var_1_19=10, var_1_1=5, var_1_20=8, var_1_21=5, var_1_22=2, var_1_23=64, var_1_24=-5, var_1_2=255, var_1_3=1, var_1_4=253, var_1_5=-258, var_1_6=383, var_1_7=10, var_1_8=0, var_1_9=1] [L98] var_1_8 = __VERIFIER_nondet_uchar() [L99] CALL assume_abort_if_not(var_1_8 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=4, var_1_12=54828, var_1_13=61894, var_1_14=10000, var_1_15=10000, var_1_16=0, var_1_17=32, var_1_18=64, var_1_19=10, var_1_1=5, var_1_20=8, var_1_21=5, var_1_22=2, var_1_23=64, var_1_24=-5, var_1_2=255, var_1_3=1, var_1_4=253, var_1_5=-258, var_1_6=383, var_1_7=10, var_1_9=1] [L20] COND FALSE !(!cond) [L99] RET assume_abort_if_not(var_1_8 >= 0) VAL [isInitial=1, var_1_10=0, var_1_11=4, var_1_12=54828, var_1_13=61894, var_1_14=10000, var_1_15=10000, var_1_16=0, var_1_17=32, var_1_18=64, var_1_19=10, var_1_1=5, var_1_20=8, var_1_21=5, var_1_22=2, var_1_23=64, var_1_24=-5, var_1_2=255, var_1_3=1, var_1_4=253, var_1_5=-258, var_1_6=383, var_1_7=10, var_1_9=1] [L100] CALL assume_abort_if_not(var_1_8 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=4, var_1_12=54828, var_1_13=61894, var_1_14=10000, var_1_15=10000, var_1_16=0, var_1_17=32, var_1_18=64, var_1_19=10, var_1_1=5, var_1_20=8, var_1_21=5, var_1_22=2, var_1_23=64, var_1_24=-5, var_1_2=255, var_1_3=1, var_1_4=253, var_1_5=-258, var_1_6=383, var_1_7=10, var_1_8=257, var_1_9=1] [L20] COND FALSE !(!cond) [L100] RET assume_abort_if_not(var_1_8 <= 1) VAL [isInitial=1, var_1_10=0, var_1_11=4, var_1_12=54828, var_1_13=61894, var_1_14=10000, var_1_15=10000, var_1_16=0, var_1_17=32, var_1_18=64, var_1_19=10, var_1_1=5, var_1_20=8, var_1_21=5, var_1_22=2, var_1_23=64, var_1_24=-5, var_1_2=255, var_1_3=1, var_1_4=253, var_1_5=-258, var_1_6=383, var_1_7=10, var_1_8=257, var_1_9=1] [L101] var_1_9 = __VERIFIER_nondet_uchar() [L102] CALL assume_abort_if_not(var_1_9 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=4, var_1_12=54828, var_1_13=61894, var_1_14=10000, var_1_15=10000, var_1_16=0, var_1_17=32, var_1_18=64, var_1_19=10, var_1_1=5, var_1_20=8, var_1_21=5, var_1_22=2, var_1_23=64, var_1_24=-5, var_1_2=255, var_1_3=1, var_1_4=253, var_1_5=-258, var_1_6=383, var_1_7=10, var_1_8=257] [L20] COND FALSE !(!cond) [L102] RET assume_abort_if_not(var_1_9 >= 0) VAL [isInitial=1, var_1_10=0, var_1_11=4, var_1_12=54828, var_1_13=61894, var_1_14=10000, var_1_15=10000, var_1_16=0, var_1_17=32, var_1_18=64, var_1_19=10, var_1_1=5, var_1_20=8, var_1_21=5, var_1_22=2, var_1_23=64, var_1_24=-5, var_1_2=255, var_1_3=1, var_1_4=253, var_1_5=-258, var_1_6=383, var_1_7=10, var_1_8=257] [L103] CALL assume_abort_if_not(var_1_9 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=4, var_1_12=54828, var_1_13=61894, var_1_14=10000, var_1_15=10000, var_1_16=0, var_1_17=32, var_1_18=64, var_1_19=10, var_1_1=5, var_1_20=8, var_1_21=5, var_1_22=2, var_1_23=64, var_1_24=-5, var_1_2=255, var_1_3=1, var_1_4=253, var_1_5=-258, var_1_6=383, var_1_7=10, var_1_8=257, var_1_9=1] [L20] COND FALSE !(!cond) [L103] RET assume_abort_if_not(var_1_9 <= 1) VAL [isInitial=1, var_1_10=0, var_1_11=4, var_1_12=54828, var_1_13=61894, var_1_14=10000, var_1_15=10000, var_1_16=0, var_1_17=32, var_1_18=64, var_1_19=10, var_1_1=5, var_1_20=8, var_1_21=5, var_1_22=2, var_1_23=64, var_1_24=-5, var_1_2=255, var_1_3=1, var_1_4=253, var_1_5=-258, var_1_6=383, var_1_7=10, var_1_8=257, var_1_9=1] [L104] var_1_12 = __VERIFIER_nondet_ushort() [L105] CALL assume_abort_if_not(var_1_12 >= 32767) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=4, var_1_12=32768, var_1_13=61894, var_1_14=10000, var_1_15=10000, var_1_16=0, var_1_17=32, var_1_18=64, var_1_19=10, var_1_1=5, var_1_20=8, var_1_21=5, var_1_22=2, var_1_23=64, var_1_24=-5, var_1_2=255, var_1_3=1, var_1_4=253, var_1_5=-258, var_1_6=383, var_1_7=10, var_1_8=257, var_1_9=1] [L20] COND FALSE !(!cond) [L105] RET assume_abort_if_not(var_1_12 >= 32767) VAL [isInitial=1, var_1_10=0, var_1_11=4, var_1_12=32768, var_1_13=61894, var_1_14=10000, var_1_15=10000, var_1_16=0, var_1_17=32, var_1_18=64, var_1_19=10, var_1_1=5, var_1_20=8, var_1_21=5, var_1_22=2, var_1_23=64, var_1_24=-5, var_1_2=255, var_1_3=1, var_1_4=253, var_1_5=-258, var_1_6=383, var_1_7=10, var_1_8=257, var_1_9=1] [L106] CALL assume_abort_if_not(var_1_12 <= 65534) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=4, var_1_12=32768, var_1_13=61894, var_1_14=10000, var_1_15=10000, var_1_16=0, var_1_17=32, var_1_18=64, var_1_19=10, var_1_1=5, var_1_20=8, var_1_21=5, var_1_22=2, var_1_23=64, var_1_24=-5, var_1_2=255, var_1_3=1, var_1_4=253, var_1_5=-258, var_1_6=383, var_1_7=10, var_1_8=257, var_1_9=1] [L20] COND FALSE !(!cond) [L106] RET assume_abort_if_not(var_1_12 <= 65534) VAL [isInitial=1, var_1_10=0, var_1_11=4, var_1_12=32768, var_1_13=61894, var_1_14=10000, var_1_15=10000, var_1_16=0, var_1_17=32, var_1_18=64, var_1_19=10, var_1_1=5, var_1_20=8, var_1_21=5, var_1_22=2, var_1_23=64, var_1_24=-5, var_1_2=255, var_1_3=1, var_1_4=253, var_1_5=-258, var_1_6=383, var_1_7=10, var_1_8=257, var_1_9=1] [L107] var_1_13 = __VERIFIER_nondet_ushort() [L108] CALL assume_abort_if_not(var_1_13 >= 32767) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=4, var_1_12=32768, var_1_13=32767, var_1_14=10000, var_1_15=10000, var_1_16=0, var_1_17=32, var_1_18=64, var_1_19=10, var_1_1=5, var_1_20=8, var_1_21=5, var_1_22=2, var_1_23=64, var_1_24=-5, var_1_2=255, var_1_3=1, var_1_4=253, var_1_5=-258, var_1_6=383, var_1_7=10, var_1_8=257, var_1_9=1] [L20] COND FALSE !(!cond) [L108] RET assume_abort_if_not(var_1_13 >= 32767) VAL [isInitial=1, var_1_10=0, var_1_11=4, var_1_12=32768, var_1_13=32767, var_1_14=10000, var_1_15=10000, var_1_16=0, var_1_17=32, var_1_18=64, var_1_19=10, var_1_1=5, var_1_20=8, var_1_21=5, var_1_22=2, var_1_23=64, var_1_24=-5, var_1_2=255, var_1_3=1, var_1_4=253, var_1_5=-258, var_1_6=383, var_1_7=10, var_1_8=257, var_1_9=1] [L109] CALL assume_abort_if_not(var_1_13 <= 65534) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=4, var_1_12=32768, var_1_13=32767, var_1_14=10000, var_1_15=10000, var_1_16=0, var_1_17=32, var_1_18=64, var_1_19=10, var_1_1=5, var_1_20=8, var_1_21=5, var_1_22=2, var_1_23=64, var_1_24=-5, var_1_2=255, var_1_3=1, var_1_4=253, var_1_5=-258, var_1_6=383, var_1_7=10, var_1_8=257, var_1_9=1] [L20] COND FALSE !(!cond) [L109] RET assume_abort_if_not(var_1_13 <= 65534) VAL [isInitial=1, var_1_10=0, var_1_11=4, var_1_12=32768, var_1_13=32767, var_1_14=10000, var_1_15=10000, var_1_16=0, var_1_17=32, var_1_18=64, var_1_19=10, var_1_1=5, var_1_20=8, var_1_21=5, var_1_22=2, var_1_23=64, var_1_24=-5, var_1_2=255, var_1_3=1, var_1_4=253, var_1_5=-258, var_1_6=383, var_1_7=10, var_1_8=257, var_1_9=1] [L110] var_1_14 = __VERIFIER_nondet_ushort() [L111] CALL assume_abort_if_not(var_1_14 >= 8191) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=4, var_1_12=32768, var_1_13=32767, var_1_14=81919, var_1_15=10000, var_1_16=0, var_1_17=32, var_1_18=64, var_1_19=10, var_1_1=5, var_1_20=8, var_1_21=5, var_1_22=2, var_1_23=64, var_1_24=-5, var_1_2=255, var_1_3=1, var_1_4=253, var_1_5=-258, var_1_6=383, var_1_7=10, var_1_8=257, var_1_9=1] [L20] COND FALSE !(!cond) [L111] RET assume_abort_if_not(var_1_14 >= 8191) VAL [isInitial=1, var_1_10=0, var_1_11=4, var_1_12=32768, var_1_13=32767, var_1_14=81919, var_1_15=10000, var_1_16=0, var_1_17=32, var_1_18=64, var_1_19=10, var_1_1=5, var_1_20=8, var_1_21=5, var_1_22=2, var_1_23=64, var_1_24=-5, var_1_2=255, var_1_3=1, var_1_4=253, var_1_5=-258, var_1_6=383, var_1_7=10, var_1_8=257, var_1_9=1] [L112] CALL assume_abort_if_not(var_1_14 <= 16384) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=4, var_1_12=32768, var_1_13=32767, var_1_14=81919, var_1_15=10000, var_1_16=0, var_1_17=32, var_1_18=64, var_1_19=10, var_1_1=5, var_1_20=8, var_1_21=5, var_1_22=2, var_1_23=64, var_1_24=-5, var_1_2=255, var_1_3=1, var_1_4=253, var_1_5=-258, var_1_6=383, var_1_7=10, var_1_8=257, var_1_9=1] [L20] COND FALSE !(!cond) [L112] RET assume_abort_if_not(var_1_14 <= 16384) VAL [isInitial=1, var_1_10=0, var_1_11=4, var_1_12=32768, var_1_13=32767, var_1_14=81919, var_1_15=10000, var_1_16=0, var_1_17=32, var_1_18=64, var_1_19=10, var_1_1=5, var_1_20=8, var_1_21=5, var_1_22=2, var_1_23=64, var_1_24=-5, var_1_2=255, var_1_3=1, var_1_4=253, var_1_5=-258, var_1_6=383, var_1_7=10, var_1_8=257, var_1_9=1] [L113] var_1_15 = __VERIFIER_nondet_ushort() [L114] CALL assume_abort_if_not(var_1_15 >= 8192) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=4, var_1_12=32768, var_1_13=32767, var_1_14=81919, var_1_15=-49153, var_1_16=0, var_1_17=32, var_1_18=64, var_1_19=10, var_1_1=5, var_1_20=8, var_1_21=5, var_1_22=2, var_1_23=64, var_1_24=-5, var_1_2=255, var_1_3=1, var_1_4=253, var_1_5=-258, var_1_6=383, var_1_7=10, var_1_8=257, var_1_9=1] [L20] COND FALSE !(!cond) [L114] RET assume_abort_if_not(var_1_15 >= 8192) VAL [isInitial=1, var_1_10=0, var_1_11=4, var_1_12=32768, var_1_13=32767, var_1_14=81919, var_1_15=-49153, var_1_16=0, var_1_17=32, var_1_18=64, var_1_19=10, var_1_1=5, var_1_20=8, var_1_21=5, var_1_22=2, var_1_23=64, var_1_24=-5, var_1_2=255, var_1_3=1, var_1_4=253, var_1_5=-258, var_1_6=383, var_1_7=10, var_1_8=257, var_1_9=1] [L115] CALL assume_abort_if_not(var_1_15 <= 16383) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=4, var_1_12=32768, var_1_13=32767, var_1_14=81919, var_1_15=-49153, var_1_16=0, var_1_17=32, var_1_18=64, var_1_19=10, var_1_1=5, var_1_20=8, var_1_21=5, var_1_22=2, var_1_23=64, var_1_24=-5, var_1_2=255, var_1_3=1, var_1_4=253, var_1_5=-258, var_1_6=383, var_1_7=10, var_1_8=257, var_1_9=1] [L20] COND FALSE !(!cond) [L115] RET assume_abort_if_not(var_1_15 <= 16383) VAL [isInitial=1, var_1_10=0, var_1_11=4, var_1_12=32768, var_1_13=32767, var_1_14=81919, var_1_15=-49153, var_1_16=0, var_1_17=32, var_1_18=64, var_1_19=10, var_1_1=5, var_1_20=8, var_1_21=5, var_1_22=2, var_1_23=64, var_1_24=-5, var_1_2=255, var_1_3=1, var_1_4=253, var_1_5=-258, var_1_6=383, var_1_7=10, var_1_8=257, var_1_9=1] [L116] var_1_18 = __VERIFIER_nondet_char() [L117] CALL assume_abort_if_not(var_1_18 >= -1) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=4, var_1_12=32768, var_1_13=32767, var_1_14=81919, var_1_15=-49153, var_1_16=0, var_1_17=32, var_1_18=126, var_1_19=10, var_1_1=5, var_1_20=8, var_1_21=5, var_1_22=2, var_1_23=64, var_1_24=-5, var_1_2=255, var_1_3=1, var_1_4=253, var_1_5=-258, var_1_6=383, var_1_7=10, var_1_8=257, var_1_9=1] [L20] COND FALSE !(!cond) [L117] RET assume_abort_if_not(var_1_18 >= -1) VAL [isInitial=1, var_1_10=0, var_1_11=4, var_1_12=32768, var_1_13=32767, var_1_14=81919, var_1_15=-49153, var_1_16=0, var_1_17=32, var_1_18=126, var_1_19=10, var_1_1=5, var_1_20=8, var_1_21=5, var_1_22=2, var_1_23=64, var_1_24=-5, var_1_2=255, var_1_3=1, var_1_4=253, var_1_5=-258, var_1_6=383, var_1_7=10, var_1_8=257, var_1_9=1] [L118] CALL assume_abort_if_not(var_1_18 <= 126) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=4, var_1_12=32768, var_1_13=32767, var_1_14=81919, var_1_15=-49153, var_1_16=0, var_1_17=32, var_1_18=126, var_1_19=10, var_1_1=5, var_1_20=8, var_1_21=5, var_1_22=2, var_1_23=64, var_1_24=-5, var_1_2=255, var_1_3=1, var_1_4=253, var_1_5=-258, var_1_6=383, var_1_7=10, var_1_8=257, var_1_9=1] [L20] COND FALSE !(!cond) [L118] RET assume_abort_if_not(var_1_18 <= 126) VAL [isInitial=1, var_1_10=0, var_1_11=4, var_1_12=32768, var_1_13=32767, var_1_14=81919, var_1_15=-49153, var_1_16=0, var_1_17=32, var_1_18=126, var_1_19=10, var_1_1=5, var_1_20=8, var_1_21=5, var_1_22=2, var_1_23=64, var_1_24=-5, var_1_2=255, var_1_3=1, var_1_4=253, var_1_5=-258, var_1_6=383, var_1_7=10, var_1_8=257, var_1_9=1] [L119] var_1_19 = __VERIFIER_nondet_char() [L120] CALL assume_abort_if_not(var_1_19 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=4, var_1_12=32768, var_1_13=32767, var_1_14=81919, var_1_15=-49153, var_1_16=0, var_1_17=32, var_1_18=126, var_1_19=126, var_1_1=5, var_1_20=8, var_1_21=5, var_1_22=2, var_1_23=64, var_1_24=-5, var_1_2=255, var_1_3=1, var_1_4=253, var_1_5=-258, var_1_6=383, var_1_7=10, var_1_8=257, var_1_9=1] [L20] COND FALSE !(!cond) [L120] RET assume_abort_if_not(var_1_19 >= 0) VAL [isInitial=1, var_1_10=0, var_1_11=4, var_1_12=32768, var_1_13=32767, var_1_14=81919, var_1_15=-49153, var_1_16=0, var_1_17=32, var_1_18=126, var_1_19=126, var_1_1=5, var_1_20=8, var_1_21=5, var_1_22=2, var_1_23=64, var_1_24=-5, var_1_2=255, var_1_3=1, var_1_4=253, var_1_5=-258, var_1_6=383, var_1_7=10, var_1_8=257, var_1_9=1] [L121] CALL assume_abort_if_not(var_1_19 <= 126) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=4, var_1_12=32768, var_1_13=32767, var_1_14=81919, var_1_15=-49153, var_1_16=0, var_1_17=32, var_1_18=126, var_1_19=126, var_1_1=5, var_1_20=8, var_1_21=5, var_1_22=2, var_1_23=64, var_1_24=-5, var_1_2=255, var_1_3=1, var_1_4=253, var_1_5=-258, var_1_6=383, var_1_7=10, var_1_8=257, var_1_9=1] [L20] COND FALSE !(!cond) [L121] RET assume_abort_if_not(var_1_19 <= 126) VAL [isInitial=1, var_1_10=0, var_1_11=4, var_1_12=32768, var_1_13=32767, var_1_14=81919, var_1_15=-49153, var_1_16=0, var_1_17=32, var_1_18=126, var_1_19=126, var_1_1=5, var_1_20=8, var_1_21=5, var_1_22=2, var_1_23=64, var_1_24=-5, var_1_2=255, var_1_3=1, var_1_4=253, var_1_5=-258, var_1_6=383, var_1_7=10, var_1_8=257, var_1_9=1] [L122] var_1_20 = __VERIFIER_nondet_char() [L123] CALL assume_abort_if_not(var_1_20 >= -1) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=4, var_1_12=32768, var_1_13=32767, var_1_14=81919, var_1_15=-49153, var_1_16=0, var_1_17=32, var_1_18=126, var_1_19=126, var_1_1=5, var_1_20=59, var_1_21=5, var_1_22=2, var_1_23=64, var_1_24=-5, var_1_2=255, var_1_3=1, var_1_4=253, var_1_5=-258, var_1_6=383, var_1_7=10, var_1_8=257, var_1_9=1] [L20] COND FALSE !(!cond) [L123] RET assume_abort_if_not(var_1_20 >= -1) VAL [isInitial=1, var_1_10=0, var_1_11=4, var_1_12=32768, var_1_13=32767, var_1_14=81919, var_1_15=-49153, var_1_16=0, var_1_17=32, var_1_18=126, var_1_19=126, var_1_1=5, var_1_20=59, var_1_21=5, var_1_22=2, var_1_23=64, var_1_24=-5, var_1_2=255, var_1_3=1, var_1_4=253, var_1_5=-258, var_1_6=383, var_1_7=10, var_1_8=257, var_1_9=1] [L124] CALL assume_abort_if_not(var_1_20 <= 126) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=4, var_1_12=32768, var_1_13=32767, var_1_14=81919, var_1_15=-49153, var_1_16=0, var_1_17=32, var_1_18=126, var_1_19=126, var_1_1=5, var_1_20=59, var_1_21=5, var_1_22=2, var_1_23=64, var_1_24=-5, var_1_2=255, var_1_3=1, var_1_4=253, var_1_5=-258, var_1_6=383, var_1_7=10, var_1_8=257, var_1_9=1] [L20] COND FALSE !(!cond) [L124] RET assume_abort_if_not(var_1_20 <= 126) VAL [isInitial=1, var_1_10=0, var_1_11=4, var_1_12=32768, var_1_13=32767, var_1_14=81919, var_1_15=-49153, var_1_16=0, var_1_17=32, var_1_18=126, var_1_19=126, var_1_1=5, var_1_20=59, var_1_21=5, var_1_22=2, var_1_23=64, var_1_24=-5, var_1_2=255, var_1_3=1, var_1_4=253, var_1_5=-258, var_1_6=383, var_1_7=10, var_1_8=257, var_1_9=1] [L125] var_1_21 = __VERIFIER_nondet_char() [L126] CALL assume_abort_if_not(var_1_21 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=4, var_1_12=32768, var_1_13=32767, var_1_14=81919, var_1_15=-49153, var_1_16=0, var_1_17=32, var_1_18=126, var_1_19=126, var_1_1=5, var_1_20=59, var_1_21=63, var_1_22=2, var_1_23=64, var_1_24=-5, var_1_2=255, var_1_3=1, var_1_4=253, var_1_5=-258, var_1_6=383, var_1_7=10, var_1_8=257, var_1_9=1] [L20] COND FALSE !(!cond) [L126] RET assume_abort_if_not(var_1_21 >= 0) VAL [isInitial=1, var_1_10=0, var_1_11=4, var_1_12=32768, var_1_13=32767, var_1_14=81919, var_1_15=-49153, var_1_16=0, var_1_17=32, var_1_18=126, var_1_19=126, var_1_1=5, var_1_20=59, var_1_21=63, var_1_22=2, var_1_23=64, var_1_24=-5, var_1_2=255, var_1_3=1, var_1_4=253, var_1_5=-258, var_1_6=383, var_1_7=10, var_1_8=257, var_1_9=1] [L127] CALL assume_abort_if_not(var_1_21 <= 63) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=4, var_1_12=32768, var_1_13=32767, var_1_14=81919, var_1_15=-49153, var_1_16=0, var_1_17=32, var_1_18=126, var_1_19=126, var_1_1=5, var_1_20=59, var_1_21=63, var_1_22=2, var_1_23=64, var_1_24=-5, var_1_2=255, var_1_3=1, var_1_4=253, var_1_5=-258, var_1_6=383, var_1_7=10, var_1_8=257, var_1_9=1] [L20] COND FALSE !(!cond) [L127] RET assume_abort_if_not(var_1_21 <= 63) VAL [isInitial=1, var_1_10=0, var_1_11=4, var_1_12=32768, var_1_13=32767, var_1_14=81919, var_1_15=-49153, var_1_16=0, var_1_17=32, var_1_18=126, var_1_19=126, var_1_1=5, var_1_20=59, var_1_21=63, var_1_22=2, var_1_23=64, var_1_24=-5, var_1_2=255, var_1_3=1, var_1_4=253, var_1_5=-258, var_1_6=383, var_1_7=10, var_1_8=257, var_1_9=1] [L128] var_1_22 = __VERIFIER_nondet_char() [L129] CALL assume_abort_if_not(var_1_22 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=4, var_1_12=32768, var_1_13=32767, var_1_14=81919, var_1_15=-49153, var_1_16=0, var_1_17=32, var_1_18=126, var_1_19=126, var_1_1=5, var_1_20=59, var_1_21=63, var_1_22=59, var_1_23=64, var_1_24=-5, var_1_2=255, var_1_3=1, var_1_4=253, var_1_5=-258, var_1_6=383, var_1_7=10, var_1_8=257, var_1_9=1] [L20] COND FALSE !(!cond) [L129] RET assume_abort_if_not(var_1_22 >= 0) VAL [isInitial=1, var_1_10=0, var_1_11=4, var_1_12=32768, var_1_13=32767, var_1_14=81919, var_1_15=-49153, var_1_16=0, var_1_17=32, var_1_18=126, var_1_19=126, var_1_1=5, var_1_20=59, var_1_21=63, var_1_22=59, var_1_23=64, var_1_24=-5, var_1_2=255, var_1_3=1, var_1_4=253, var_1_5=-258, var_1_6=383, var_1_7=10, var_1_8=257, var_1_9=1] [L130] CALL assume_abort_if_not(var_1_22 <= 63) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=4, var_1_12=32768, var_1_13=32767, var_1_14=81919, var_1_15=-49153, var_1_16=0, var_1_17=32, var_1_18=126, var_1_19=126, var_1_1=5, var_1_20=59, var_1_21=63, var_1_22=59, var_1_23=64, var_1_24=-5, var_1_2=255, var_1_3=1, var_1_4=253, var_1_5=-258, var_1_6=383, var_1_7=10, var_1_8=257, var_1_9=1] [L20] COND FALSE !(!cond) [L130] RET assume_abort_if_not(var_1_22 <= 63) VAL [isInitial=1, var_1_10=0, var_1_11=4, var_1_12=32768, var_1_13=32767, var_1_14=81919, var_1_15=-49153, var_1_16=0, var_1_17=32, var_1_18=126, var_1_19=126, var_1_1=5, var_1_20=59, var_1_21=63, var_1_22=59, var_1_23=64, var_1_24=-5, var_1_2=255, var_1_3=1, var_1_4=253, var_1_5=-258, var_1_6=383, var_1_7=10, var_1_8=257, var_1_9=1] [L143] RET updateVariables() [L144] CALL step() [L49] COND TRUE var_1_2 != (var_1_3 + var_1_4) [L50] var_1_1 = (var_1_5 - ((((0) < (var_1_6)) ? (0) : (var_1_6)))) [L52] COND TRUE ((var_1_6 / var_1_5) != ((((var_1_2) < (var_1_3)) ? (var_1_2) : (var_1_3)))) && var_1_8 [L53] var_1_7 = var_1_5 [L61] COND FALSE !(! var_1_9) [L64] COND TRUE \read(var_1_8) [L65] var_1_11 = (((((var_1_12) > (var_1_13)) ? (var_1_12) : (var_1_13))) - ((var_1_14 + var_1_15) - var_1_1)) [L67] var_1_16 = (var_1_7 - 1) [L68] COND TRUE var_1_11 > ((((var_1_2) > (var_1_5)) ? (var_1_2) : (var_1_5))) [L69] var_1_17 = (var_1_18 - var_1_19) [L73] EXPR var_1_13 & var_1_2 [L73] COND FALSE !(! ((var_1_13 & var_1_2) != var_1_1)) [L76] COND FALSE !(! var_1_8) [L80] var_1_24 = var_1_12 [L144] RET step() [L145] CALL, EXPR property() [L135] EXPR (((((((var_1_2 != (var_1_3 + var_1_4)) ? (var_1_1 == ((unsigned char) (var_1_5 - ((((0) < (var_1_6)) ? (0) : (var_1_6)))))) : 1) && ((((var_1_6 / var_1_5) != ((((var_1_2) < (var_1_3)) ? (var_1_2) : (var_1_3)))) && var_1_8) ? (var_1_7 == ((unsigned char) var_1_5)) : (((var_1_1 > var_1_5) || var_1_8) ? (var_1_7 == ((unsigned char) var_1_5)) : (var_1_7 == ((unsigned char) var_1_6))))) && ((! var_1_9) ? (var_1_10 == ((unsigned long int) ((((var_1_1) < (var_1_5)) ? (var_1_1) : (var_1_5))))) : 1)) && (var_1_8 ? (var_1_11 == ((unsigned short int) (((((var_1_12) > (var_1_13)) ? (var_1_12) : (var_1_13))) - ((var_1_14 + var_1_15) - var_1_1)))) : 1)) && (var_1_16 == ((signed short int) (var_1_7 - 1)))) && ((var_1_11 > ((((var_1_2) > (var_1_5)) ? (var_1_2) : (var_1_5)))) ? (var_1_17 == ((signed char) (var_1_18 - var_1_19))) : (var_1_17 == ((signed char) (var_1_20 - (var_1_21 + var_1_22)))))) && ((! ((var_1_13 & var_1_2) != var_1_1)) ? (var_1_23 == ((signed char) ((((var_1_20) < ((((((var_1_21 + -4)) < (var_1_22)) ? ((var_1_21 + -4)) : (var_1_22))))) ? (var_1_20) : ((((((var_1_21 + -4)) < (var_1_22)) ? ((var_1_21 + -4)) : (var_1_22)))))))) : ((! var_1_8) ? (var_1_23 == ((signed char) (var_1_22 + var_1_21))) : 1)) [L135] EXPR var_1_13 & var_1_2 [L135] EXPR (((((((var_1_2 != (var_1_3 + var_1_4)) ? (var_1_1 == ((unsigned char) (var_1_5 - ((((0) < (var_1_6)) ? (0) : (var_1_6)))))) : 1) && ((((var_1_6 / var_1_5) != ((((var_1_2) < (var_1_3)) ? (var_1_2) : (var_1_3)))) && var_1_8) ? (var_1_7 == ((unsigned char) var_1_5)) : (((var_1_1 > var_1_5) || var_1_8) ? (var_1_7 == ((unsigned char) var_1_5)) : (var_1_7 == ((unsigned char) var_1_6))))) && ((! var_1_9) ? (var_1_10 == ((unsigned long int) ((((var_1_1) < (var_1_5)) ? (var_1_1) : (var_1_5))))) : 1)) && (var_1_8 ? (var_1_11 == ((unsigned short int) (((((var_1_12) > (var_1_13)) ? (var_1_12) : (var_1_13))) - ((var_1_14 + var_1_15) - var_1_1)))) : 1)) && (var_1_16 == ((signed short int) (var_1_7 - 1)))) && ((var_1_11 > ((((var_1_2) > (var_1_5)) ? (var_1_2) : (var_1_5)))) ? (var_1_17 == ((signed char) (var_1_18 - var_1_19))) : (var_1_17 == ((signed char) (var_1_20 - (var_1_21 + var_1_22)))))) && ((! ((var_1_13 & var_1_2) != var_1_1)) ? (var_1_23 == ((signed char) ((((var_1_20) < ((((((var_1_21 + -4)) < (var_1_22)) ? ((var_1_21 + -4)) : (var_1_22))))) ? (var_1_20) : ((((((var_1_21 + -4)) < (var_1_22)) ? ((var_1_21 + -4)) : (var_1_22)))))))) : ((! var_1_8) ? (var_1_23 == ((signed char) (var_1_22 + var_1_21))) : 1)) [L135-L136] return ((((((((var_1_2 != (var_1_3 + var_1_4)) ? (var_1_1 == ((unsigned char) (var_1_5 - ((((0) < (var_1_6)) ? (0) : (var_1_6)))))) : 1) && ((((var_1_6 / var_1_5) != ((((var_1_2) < (var_1_3)) ? (var_1_2) : (var_1_3)))) && var_1_8) ? (var_1_7 == ((unsigned char) var_1_5)) : (((var_1_1 > var_1_5) || var_1_8) ? (var_1_7 == ((unsigned char) var_1_5)) : (var_1_7 == ((unsigned char) var_1_6))))) && ((! var_1_9) ? (var_1_10 == ((unsigned long int) ((((var_1_1) < (var_1_5)) ? (var_1_1) : (var_1_5))))) : 1)) && (var_1_8 ? (var_1_11 == ((unsigned short int) (((((var_1_12) > (var_1_13)) ? (var_1_12) : (var_1_13))) - ((var_1_14 + var_1_15) - var_1_1)))) : 1)) && (var_1_16 == ((signed short int) (var_1_7 - 1)))) && ((var_1_11 > ((((var_1_2) > (var_1_5)) ? (var_1_2) : (var_1_5)))) ? (var_1_17 == ((signed char) (var_1_18 - var_1_19))) : (var_1_17 == ((signed char) (var_1_20 - (var_1_21 + var_1_22)))))) && ((! ((var_1_13 & var_1_2) != var_1_1)) ? (var_1_23 == ((signed char) ((((var_1_20) < ((((((var_1_21 + -4)) < (var_1_22)) ? ((var_1_21 + -4)) : (var_1_22))))) ? (var_1_20) : ((((((var_1_21 + -4)) < (var_1_22)) ? ((var_1_21 + -4)) : (var_1_22)))))))) : ((! var_1_8) ? (var_1_23 == ((signed char) (var_1_22 + var_1_21))) : 1))) && (var_1_24 == ((signed long int) var_1_12)) ; [L145] RET, EXPR property() [L145] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, var_1_10=0, var_1_11=256, var_1_12=32768, var_1_13=32767, var_1_14=81919, var_1_15=-49153, var_1_16=253, var_1_17=0, var_1_18=126, var_1_19=126, var_1_1=254, var_1_20=59, var_1_21=63, var_1_22=59, var_1_23=64, var_1_24=32768, var_1_2=255, var_1_3=1, var_1_4=253, var_1_5=-258, var_1_6=383, var_1_7=-258, var_1_8=257, var_1_9=1] [L19] reach_error() VAL [isInitial=1, var_1_10=0, var_1_11=256, var_1_12=32768, var_1_13=32767, var_1_14=81919, var_1_15=-49153, var_1_16=253, var_1_17=0, var_1_18=126, var_1_19=126, var_1_1=254, var_1_20=59, var_1_21=63, var_1_22=59, var_1_23=64, var_1_24=32768, var_1_2=255, var_1_3=1, var_1_4=253, var_1_5=-258, var_1_6=383, var_1_7=-258, var_1_8=257, var_1_9=1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 57 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 2.0s, OverallIterations: 1, TraceHistogramMax: 32, 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=57occurred 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, 1.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 232 NumberOfCodeBlocks, 232 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-14 03:02:36,314 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49638b4a-f479-441e-a12d-c536a3d68f55/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_49638b4a-f479-441e-a12d-c536a3d68f55/bin/utaipan-verify-sOmjnqqW8E/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49638b4a-f479-441e-a12d-c536a3d68f55/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_49638b4a-f479-441e-a12d-c536a3d68f55/bin/utaipan-verify-sOmjnqqW8E/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49638b4a-f479-441e-a12d-c536a3d68f55/bin/utaipan-verify-sOmjnqqW8E/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-81.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49638b4a-f479-441e-a12d-c536a3d68f55/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_49638b4a-f479-441e-a12d-c536a3d68f55/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 4ec23d859d65533fc787a9c2fed70b8c69daa3b1ed2a3fca10d530d490a26e0e --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-14 03:02:39,636 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-14 03:02:39,804 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49638b4a-f479-441e-a12d-c536a3d68f55/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2024-11-14 03:02:39,820 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-14 03:02:39,821 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-14 03:02:39,872 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-14 03:02:39,873 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-14 03:02:39,873 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-14 03:02:39,874 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-14 03:02:39,874 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-14 03:02:39,875 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-14 03:02:39,875 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-14 03:02:39,875 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-14 03:02:39,876 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-14 03:02:39,876 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-14 03:02:39,876 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-14 03:02:39,878 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-14 03:02:39,879 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-14 03:02:39,879 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-14 03:02:39,879 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-14 03:02:39,879 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-14 03:02:39,879 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-14 03:02:39,879 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-14 03:02:39,879 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-14 03:02:39,879 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-14 03:02:39,879 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-14 03:02:39,880 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-14 03:02:39,880 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-14 03:02:39,880 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-14 03:02:39,880 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-14 03:02:39,881 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-14 03:02:39,882 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-14 03:02:39,882 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-14 03:02:39,882 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-14 03:02:39,882 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-14 03:02:39,882 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 03:02:39,882 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-14 03:02:39,883 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-14 03:02:39,883 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-14 03:02:39,883 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-14 03:02:39,883 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-14 03:02:39,883 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-14 03:02:39,883 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-14 03:02:39,883 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_49638b4a-f479-441e-a12d-c536a3d68f55/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 -> 4ec23d859d65533fc787a9c2fed70b8c69daa3b1ed2a3fca10d530d490a26e0e [2024-11-14 03:02:40,301 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-14 03:02:40,312 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-14 03:02:40,316 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-14 03:02:40,317 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-14 03:02:40,318 INFO L274 PluginConnector]: CDTParser initialized [2024-11-14 03:02:40,320 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49638b4a-f479-441e-a12d-c536a3d68f55/bin/utaipan-verify-sOmjnqqW8E/../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-81.i Unable to find full path for "g++" [2024-11-14 03:02:42,819 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-14 03:02:43,217 INFO L384 CDTParser]: Found 1 translation units. [2024-11-14 03:02:43,218 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49638b4a-f479-441e-a12d-c536a3d68f55/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-81.i [2024-11-14 03:02:43,229 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49638b4a-f479-441e-a12d-c536a3d68f55/bin/utaipan-verify-sOmjnqqW8E/data/6371fad1d/872275b4b82d4478874d94d1173c7af7/FLAGdd7afdb2a [2024-11-14 03:02:43,253 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49638b4a-f479-441e-a12d-c536a3d68f55/bin/utaipan-verify-sOmjnqqW8E/data/6371fad1d/872275b4b82d4478874d94d1173c7af7 [2024-11-14 03:02:43,258 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-14 03:02:43,261 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-14 03:02:43,263 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-14 03:02:43,264 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-14 03:02:43,269 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-14 03:02:43,271 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 03:02:43" (1/1) ... [2024-11-14 03:02:43,274 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7e108322 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:02:43, skipping insertion in model container [2024-11-14 03:02:43,274 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 03:02:43" (1/1) ... [2024-11-14 03:02:43,303 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-14 03:02:43,535 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_49638b4a-f479-441e-a12d-c536a3d68f55/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-81.i[913,926] [2024-11-14 03:02:43,663 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 03:02:43,696 INFO L200 MainTranslator]: Completed pre-run [2024-11-14 03:02:43,715 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_49638b4a-f479-441e-a12d-c536a3d68f55/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-81.i[913,926] [2024-11-14 03:02:43,784 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 03:02:43,815 INFO L204 MainTranslator]: Completed translation [2024-11-14 03:02:43,816 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:02:43 WrapperNode [2024-11-14 03:02:43,816 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-14 03:02:43,818 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-14 03:02:43,819 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-14 03:02:43,819 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-14 03:02:43,828 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:02:43" (1/1) ... [2024-11-14 03:02:43,849 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:02:43" (1/1) ... [2024-11-14 03:02:43,899 INFO L138 Inliner]: procedures = 27, calls = 45, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 157 [2024-11-14 03:02:43,899 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-14 03:02:43,900 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-14 03:02:43,900 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-14 03:02:43,900 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-14 03:02:43,913 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:02:43" (1/1) ... [2024-11-14 03:02:43,913 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:02:43" (1/1) ... [2024-11-14 03:02:43,920 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:02:43" (1/1) ... [2024-11-14 03:02:43,921 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:02:43" (1/1) ... [2024-11-14 03:02:43,940 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:02:43" (1/1) ... [2024-11-14 03:02:43,950 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:02:43" (1/1) ... [2024-11-14 03:02:43,957 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:02:43" (1/1) ... [2024-11-14 03:02:43,962 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:02:43" (1/1) ... [2024-11-14 03:02:43,970 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-14 03:02:43,971 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-14 03:02:43,971 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-14 03:02:43,971 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-14 03:02:43,976 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:02:43" (1/1) ... [2024-11-14 03:02:43,992 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 03:02:44,017 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49638b4a-f479-441e-a12d-c536a3d68f55/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 03:02:44,036 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49638b4a-f479-441e-a12d-c536a3d68f55/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-14 03:02:44,046 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49638b4a-f479-441e-a12d-c536a3d68f55/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-14 03:02:44,078 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-14 03:02:44,078 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-14 03:02:44,079 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-14 03:02:44,079 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-14 03:02:44,079 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-14 03:02:44,079 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-14 03:02:44,238 INFO L238 CfgBuilder]: Building ICFG [2024-11-14 03:02:44,241 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-14 03:02:44,765 INFO L? ?]: Removed 8 outVars from TransFormulas that were not future-live. [2024-11-14 03:02:44,765 INFO L287 CfgBuilder]: Performing block encoding [2024-11-14 03:02:44,780 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-14 03:02:44,781 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-14 03:02:44,781 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 03:02:44 BoogieIcfgContainer [2024-11-14 03:02:44,781 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-14 03:02:44,786 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-14 03:02:44,786 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-14 03:02:44,817 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-14 03:02:44,818 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.11 03:02:43" (1/3) ... [2024-11-14 03:02:44,818 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@867f9f9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 03:02:44, skipping insertion in model container [2024-11-14 03:02:44,819 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:02:43" (2/3) ... [2024-11-14 03:02:44,820 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@867f9f9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 03:02:44, skipping insertion in model container [2024-11-14 03:02:44,820 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 03:02:44" (3/3) ... [2024-11-14 03:02:44,823 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_codestructure_normal_file-81.i [2024-11-14 03:02:44,844 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-14 03:02:44,846 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_codestructure_normal_file-81.i that has 2 procedures, 77 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-14 03:02:44,933 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-14 03:02:44,948 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;@c99eb, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-14 03:02:44,949 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-14 03:02:44,954 INFO L276 IsEmpty]: Start isEmpty. Operand has 77 states, 42 states have (on average 1.3095238095238095) internal successors, (55), 43 states have internal predecessors, (55), 32 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32) [2024-11-14 03:02:44,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2024-11-14 03:02:44,979 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 03:02:44,980 INFO L215 NwaCegarLoop]: trace histogram [32, 32, 32, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 03:02:44,980 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 03:02:44,985 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 03:02:44,985 INFO L85 PathProgramCache]: Analyzing trace with hash -443139016, now seen corresponding path program 1 times [2024-11-14 03:02:45,000 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 03:02:45,000 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1914812036] [2024-11-14 03:02:45,001 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:02:45,001 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-14 03:02:45,002 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49638b4a-f479-441e-a12d-c536a3d68f55/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 03:02:45,004 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49638b4a-f479-441e-a12d-c536a3d68f55/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-14 03:02:45,008 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49638b4a-f479-441e-a12d-c536a3d68f55/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2024-11-14 03:02:45,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:02:45,328 INFO L255 TraceCheckSpWp]: Trace formula consists of 303 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-14 03:02:45,341 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 03:02:45,449 INFO L134 CoverageAnalysis]: Checked inductivity of 1984 backedges. 734 proven. 0 refuted. 0 times theorem prover too weak. 1250 trivial. 0 not checked. [2024-11-14 03:02:45,449 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-14 03:02:45,450 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-14 03:02:45,450 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1914812036] [2024-11-14 03:02:45,450 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1914812036] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 03:02:45,453 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 03:02:45,454 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-14 03:02:45,456 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1449233883] [2024-11-14 03:02:45,457 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 03:02:45,464 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-14 03:02:45,465 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-14 03:02:45,489 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-14 03:02:45,490 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-14 03:02:45,493 INFO L87 Difference]: Start difference. First operand has 77 states, 42 states have (on average 1.3095238095238095) internal successors, (55), 43 states have internal predecessors, (55), 32 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32) Second operand has 2 states, 2 states have (on average 20.0) internal successors, (40), 2 states have internal predecessors, (40), 2 states have call successors, (32), 2 states have call predecessors, (32), 2 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2024-11-14 03:02:45,532 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 03:02:45,532 INFO L93 Difference]: Finished difference Result 147 states and 264 transitions. [2024-11-14 03:02:45,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-14 03:02:45,535 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 20.0) internal successors, (40), 2 states have internal predecessors, (40), 2 states have call successors, (32), 2 states have call predecessors, (32), 2 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) Word has length 193 [2024-11-14 03:02:45,536 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 03:02:45,547 INFO L225 Difference]: With dead ends: 147 [2024-11-14 03:02:45,547 INFO L226 Difference]: Without dead ends: 73 [2024-11-14 03:02:45,552 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 192 GetRequests, 192 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-14 03:02:45,560 INFO L432 NwaCegarLoop]: 112 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, 112 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-14 03:02:45,561 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 112 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-14 03:02:45,587 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2024-11-14 03:02:45,633 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 73. [2024-11-14 03:02:45,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 73 states, 39 states have (on average 1.2307692307692308) internal successors, (48), 39 states have internal predecessors, (48), 32 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32) [2024-11-14 03:02:45,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 112 transitions. [2024-11-14 03:02:45,647 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 112 transitions. Word has length 193 [2024-11-14 03:02:45,648 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 03:02:45,648 INFO L471 AbstractCegarLoop]: Abstraction has 73 states and 112 transitions. [2024-11-14 03:02:45,648 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 20.0) internal successors, (40), 2 states have internal predecessors, (40), 2 states have call successors, (32), 2 states have call predecessors, (32), 2 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2024-11-14 03:02:45,648 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 112 transitions. [2024-11-14 03:02:45,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2024-11-14 03:02:45,671 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 03:02:45,672 INFO L215 NwaCegarLoop]: trace histogram [32, 32, 32, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 03:02:45,680 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49638b4a-f479-441e-a12d-c536a3d68f55/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2024-11-14 03:02:45,872 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49638b4a-f479-441e-a12d-c536a3d68f55/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-14 03:02:45,873 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 03:02:45,874 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 03:02:45,874 INFO L85 PathProgramCache]: Analyzing trace with hash -617579464, now seen corresponding path program 1 times [2024-11-14 03:02:45,875 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 03:02:45,875 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1574583575] [2024-11-14 03:02:45,875 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:02:45,876 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-14 03:02:45,876 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49638b4a-f479-441e-a12d-c536a3d68f55/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 03:02:45,879 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49638b4a-f479-441e-a12d-c536a3d68f55/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-14 03:02:45,882 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49638b4a-f479-441e-a12d-c536a3d68f55/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2024-11-14 03:02:47,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:02:47,191 INFO L255 TraceCheckSpWp]: Trace formula consists of 303 conjuncts, 38 conjuncts are in the unsatisfiable core [2024-11-14 03:02:47,208 INFO L278 TraceCheckSpWp]: Computing forward predicates...