./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.szymanski.2.prop1-func-interl.c --full-output --architecture 64bit -------------------------------------------------------------------------------- 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_59cacd87-30ee-4846-ad20-e2c47f3a7525/bin/utaipan-verify-sOmjnqqW8E/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59cacd87-30ee-4846-ad20-e2c47f3a7525/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_59cacd87-30ee-4846-ad20-e2c47f3a7525/bin/utaipan-verify-sOmjnqqW8E/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59cacd87-30ee-4846-ad20-e2c47f3a7525/bin/utaipan-verify-sOmjnqqW8E/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.szymanski.2.prop1-func-interl.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59cacd87-30ee-4846-ad20-e2c47f3a7525/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59cacd87-30ee-4846-ad20-e2c47f3a7525/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 64bit --witnessprinter.graph.data.programhash 8e787197bef8462111095d28424bda7ca1ab025eefae5e7946d7b66d0ed71fcd --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-14 04:38:33,653 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-14 04:38:33,765 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59cacd87-30ee-4846-ad20-e2c47f3a7525/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Reach-64bit-Taipan_Default.epf [2024-11-14 04:38:33,776 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-14 04:38:33,776 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-14 04:38:33,824 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-14 04:38:33,824 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-14 04:38:33,826 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-14 04:38:33,826 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-14 04:38:33,826 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-14 04:38:33,827 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-14 04:38:33,827 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-14 04:38:33,828 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-14 04:38:33,828 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-14 04:38:33,828 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-14 04:38:33,830 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-14 04:38:33,830 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-14 04:38:33,830 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-14 04:38:33,830 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-14 04:38:33,831 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-14 04:38:33,831 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-14 04:38:33,831 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-14 04:38:33,831 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-14 04:38:33,831 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-14 04:38:33,831 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-14 04:38:33,832 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-14 04:38:33,832 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-14 04:38:33,832 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-14 04:38:33,832 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-14 04:38:33,832 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-14 04:38:33,832 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-14 04:38:33,832 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-14 04:38:33,832 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-14 04:38:33,832 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-14 04:38:33,832 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-14 04:38:33,833 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 04:38:33,833 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-14 04:38:33,834 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-14 04:38:33,835 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-14 04:38:33,835 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-14 04:38:33,835 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-14 04:38:33,835 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-14 04:38:33,835 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-14 04:38:33,835 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-14 04:38:33,836 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_59cacd87-30ee-4846-ad20-e2c47f3a7525/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 -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8e787197bef8462111095d28424bda7ca1ab025eefae5e7946d7b66d0ed71fcd [2024-11-14 04:38:34,215 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-14 04:38:34,230 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-14 04:38:34,234 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-14 04:38:34,236 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-14 04:38:34,237 INFO L274 PluginConnector]: CDTParser initialized [2024-11-14 04:38:34,240 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59cacd87-30ee-4846-ad20-e2c47f3a7525/bin/utaipan-verify-sOmjnqqW8E/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.szymanski.2.prop1-func-interl.c Unable to find full path for "g++" [2024-11-14 04:38:36,496 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-14 04:38:37,043 INFO L384 CDTParser]: Found 1 translation units. [2024-11-14 04:38:37,044 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59cacd87-30ee-4846-ad20-e2c47f3a7525/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.szymanski.2.prop1-func-interl.c [2024-11-14 04:38:37,070 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59cacd87-30ee-4846-ad20-e2c47f3a7525/bin/utaipan-verify-sOmjnqqW8E/data/b39c3866c/f1754e1159b241eb80d8d357458bc86a/FLAGefea22e64 [2024-11-14 04:38:37,089 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59cacd87-30ee-4846-ad20-e2c47f3a7525/bin/utaipan-verify-sOmjnqqW8E/data/b39c3866c/f1754e1159b241eb80d8d357458bc86a [2024-11-14 04:38:37,091 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-14 04:38:37,093 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-14 04:38:37,095 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-14 04:38:37,095 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-14 04:38:37,100 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-14 04:38:37,101 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 04:38:37" (1/1) ... [2024-11-14 04:38:37,102 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7c759378 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:38:37, skipping insertion in model container [2024-11-14 04:38:37,103 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 04:38:37" (1/1) ... [2024-11-14 04:38:37,203 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-14 04:38:37,483 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_59cacd87-30ee-4846-ad20-e2c47f3a7525/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.szymanski.2.prop1-func-interl.c[1176,1189] [2024-11-14 04:38:38,404 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 04:38:38,420 INFO L200 MainTranslator]: Completed pre-run [2024-11-14 04:38:38,434 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_59cacd87-30ee-4846-ad20-e2c47f3a7525/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.szymanski.2.prop1-func-interl.c[1176,1189] [2024-11-14 04:38:39,030 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 04:38:39,047 INFO L204 MainTranslator]: Completed translation [2024-11-14 04:38:39,048 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:38:39 WrapperNode [2024-11-14 04:38:39,048 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-14 04:38:39,049 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-14 04:38:39,050 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-14 04:38:39,050 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-14 04:38:39,058 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:38:39" (1/1) ... [2024-11-14 04:38:39,199 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:38:39" (1/1) ... [2024-11-14 04:38:41,151 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 12631 [2024-11-14 04:38:41,155 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-14 04:38:41,156 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-14 04:38:41,156 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-14 04:38:41,156 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-14 04:38:41,173 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:38:39" (1/1) ... [2024-11-14 04:38:41,177 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:38:39" (1/1) ... [2024-11-14 04:38:41,881 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:38:39" (1/1) ... [2024-11-14 04:38:41,888 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:38:39" (1/1) ... [2024-11-14 04:38:42,468 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:38:39" (1/1) ... [2024-11-14 04:38:42,670 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:38:39" (1/1) ... [2024-11-14 04:38:42,751 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:38:39" (1/1) ... [2024-11-14 04:38:42,815 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:38:39" (1/1) ... [2024-11-14 04:38:43,117 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-14 04:38:43,123 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-14 04:38:43,123 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-14 04:38:43,123 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-14 04:38:43,124 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:38:39" (1/1) ... [2024-11-14 04:38:43,144 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 04:38:43,161 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59cacd87-30ee-4846-ad20-e2c47f3a7525/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 04:38:43,178 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59cacd87-30ee-4846-ad20-e2c47f3a7525/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-14 04:38:43,186 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59cacd87-30ee-4846-ad20-e2c47f3a7525/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-14 04:38:43,220 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-14 04:38:43,221 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-14 04:38:43,221 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-14 04:38:43,221 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-14 04:38:44,232 INFO L238 CfgBuilder]: Building ICFG [2024-11-14 04:38:44,235 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-14 04:39:11,166 INFO L? ?]: Removed 7181 outVars from TransFormulas that were not future-live. [2024-11-14 04:39:11,167 INFO L287 CfgBuilder]: Performing block encoding [2024-11-14 04:39:38,695 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-14 04:39:38,695 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-14 04:39:38,696 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 04:39:38 BoogieIcfgContainer [2024-11-14 04:39:38,696 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-14 04:39:38,699 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-14 04:39:38,699 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-14 04:39:38,705 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-14 04:39:38,705 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.11 04:38:37" (1/3) ... [2024-11-14 04:39:38,706 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@79f45b3a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 04:39:38, skipping insertion in model container [2024-11-14 04:39:38,706 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:38:39" (2/3) ... [2024-11-14 04:39:38,706 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@79f45b3a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 04:39:38, skipping insertion in model container [2024-11-14 04:39:38,706 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 04:39:38" (3/3) ... [2024-11-14 04:39:38,708 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.szymanski.2.prop1-func-interl.c [2024-11-14 04:39:38,728 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-14 04:39:38,730 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG btor2c-lazyMod.szymanski.2.prop1-func-interl.c that has 1 procedures, 7 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-14 04:39:38,790 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-14 04:39:38,803 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;@5a5a9952, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-14 04:39:38,804 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-14 04:39:38,808 INFO L276 IsEmpty]: Start isEmpty. Operand has 7 states, 5 states have (on average 1.6) internal successors, (8), 6 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 04:39:38,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-14 04:39:38,816 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:39:38,817 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2024-11-14 04:39:38,818 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 04:39:38,824 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:39:38,824 INFO L85 PathProgramCache]: Analyzing trace with hash 646859435, now seen corresponding path program 1 times [2024-11-14 04:39:38,835 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 04:39:38,835 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1462743628] [2024-11-14 04:39:38,836 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:39:38,837 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 04:39:40,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-14 04:39:40,345 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-14 04:39:41,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-14 04:39:41,193 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2024-11-14 04:39:41,195 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-14 04:39:41,196 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-14 04:39:41,199 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-14 04:39:41,208 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-14 04:39:41,288 INFO L173 ceAbstractionStarter]: Computing trace abstraction results [2024-11-14 04:39:41,298 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.11 04:39:41 BoogieIcfgContainer [2024-11-14 04:39:41,298 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-14 04:39:41,298 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-14 04:39:41,298 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-14 04:39:41,299 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-14 04:39:41,300 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 04:39:38" (3/4) ... [2024-11-14 04:39:41,304 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-14 04:39:41,306 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-14 04:39:41,310 INFO L158 Benchmark]: Toolchain (without parser) took 64214.03ms. Allocated memory was 117.4MB in the beginning and 7.1GB in the end (delta: 7.0GB). Free memory was 87.7MB in the beginning and 6.2GB in the end (delta: -6.1GB). Peak memory consumption was 913.1MB. Max. memory is 16.1GB. [2024-11-14 04:39:41,310 INFO L158 Benchmark]: CDTParser took 0.41ms. Allocated memory is still 117.4MB. Free memory is still 72.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 04:39:41,311 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1954.07ms. Allocated memory was 117.4MB in the beginning and 176.2MB in the end (delta: 58.7MB). Free memory was 87.7MB in the beginning and 91.6MB in the end (delta: -3.9MB). Peak memory consumption was 139.8MB. Max. memory is 16.1GB. [2024-11-14 04:39:41,312 INFO L158 Benchmark]: Boogie Procedure Inliner took 2106.00ms. Allocated memory was 176.2MB in the beginning and 1.5GB in the end (delta: 1.3GB). Free memory was 91.6MB in the beginning and 1.2GB in the end (delta: -1.1GB). Peak memory consumption was 285.2MB. Max. memory is 16.1GB. [2024-11-14 04:39:41,313 INFO L158 Benchmark]: Boogie Preprocessor took 1965.67ms. Allocated memory was 1.5GB in the beginning and 922.7MB in the end (delta: -562.0MB). Free memory was 1.2GB in the beginning and 551.6MB in the end (delta: 657.5MB). Peak memory consumption was 109.1MB. Max. memory is 16.1GB. [2024-11-14 04:39:41,313 INFO L158 Benchmark]: RCFGBuilder took 55573.43ms. Allocated memory was 922.7MB in the beginning and 7.1GB in the end (delta: 6.2GB). Free memory was 551.6MB in the beginning and 5.8GB in the end (delta: -5.2GB). Peak memory consumption was 1.4GB. Max. memory is 16.1GB. [2024-11-14 04:39:41,316 INFO L158 Benchmark]: TraceAbstraction took 2599.09ms. Allocated memory is still 7.1GB. Free memory was 5.8GB in the beginning and 6.2GB in the end (delta: -411.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 04:39:41,317 INFO L158 Benchmark]: Witness Printer took 7.50ms. Allocated memory is still 7.1GB. Free memory was 6.2GB in the beginning and 6.2GB in the end (delta: 65.4kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-14 04:39:41,320 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.41ms. Allocated memory is still 117.4MB. Free memory is still 72.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1954.07ms. Allocated memory was 117.4MB in the beginning and 176.2MB in the end (delta: 58.7MB). Free memory was 87.7MB in the beginning and 91.6MB in the end (delta: -3.9MB). Peak memory consumption was 139.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 2106.00ms. Allocated memory was 176.2MB in the beginning and 1.5GB in the end (delta: 1.3GB). Free memory was 91.6MB in the beginning and 1.2GB in the end (delta: -1.1GB). Peak memory consumption was 285.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 1965.67ms. Allocated memory was 1.5GB in the beginning and 922.7MB in the end (delta: -562.0MB). Free memory was 1.2GB in the beginning and 551.6MB in the end (delta: 657.5MB). Peak memory consumption was 109.1MB. Max. memory is 16.1GB. * RCFGBuilder took 55573.43ms. Allocated memory was 922.7MB in the beginning and 7.1GB in the end (delta: 6.2GB). Free memory was 551.6MB in the beginning and 5.8GB in the end (delta: -5.2GB). Peak memory consumption was 1.4GB. Max. memory is 16.1GB. * TraceAbstraction took 2599.09ms. Allocated memory is still 7.1GB. Free memory was 5.8GB in the beginning and 6.2GB in the end (delta: -411.0MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 7.50ms. Allocated memory is still 7.1GB. Free memory was 6.2GB in the beginning and 6.2GB in the end (delta: 65.4kB). 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: 21]: 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 123, overapproximation of bitwiseAnd at line 283. Possible FailurePath: [L26] const SORT_1 mask_SORT_1 = (SORT_1)-1 >> (sizeof(SORT_1) * 8 - 1); [L27] const SORT_1 msb_SORT_1 = (SORT_1)1 << (1 - 1); [L29] const SORT_2 mask_SORT_2 = (SORT_2)-1 >> (sizeof(SORT_2) * 8 - 8); [L30] const SORT_2 msb_SORT_2 = (SORT_2)1 << (8 - 1); [L32] const SORT_3 mask_SORT_3 = (SORT_3)-1 >> (sizeof(SORT_3) * 8 - 24); [L33] const SORT_3 msb_SORT_3 = (SORT_3)1 << (24 - 1); [L35] const SORT_4 mask_SORT_4 = (SORT_4)-1 >> (sizeof(SORT_4) * 8 - 32); [L36] const SORT_4 msb_SORT_4 = (SORT_4)1 << (32 - 1); [L38] const SORT_2 var_5 = 0; [L39] const SORT_1 var_30 = 0; [L40] const SORT_4 var_111 = 1; [L41] const SORT_4 var_112 = 0; [L42] const SORT_2 var_122 = 0; [L43] const SORT_2 var_124 = 1; [L44] const SORT_3 var_181 = 0; [L45] const SORT_4 var_428 = 3; [L46] const SORT_2 var_439 = 3; [L47] const SORT_2 var_704 = 2; [L48] const SORT_4 var_713 = 2; [L50] SORT_1 input_121; [L51] SORT_1 input_123; [L52] SORT_1 input_128; [L53] SORT_1 input_129; [L54] SORT_1 input_133; [L55] SORT_1 input_134; [L56] SORT_1 input_138; [L57] SORT_1 input_139; [L58] SORT_1 input_144; [L59] SORT_1 input_145; [L60] SORT_1 input_150; [L61] SORT_1 input_151; [L62] SORT_1 input_156; [L63] SORT_1 input_157; [L64] SORT_1 input_158; [L65] SORT_1 input_164; [L66] SORT_1 input_165; [L67] SORT_1 input_166; [L68] SORT_1 input_172; [L69] SORT_1 input_173; [L70] SORT_1 input_174; [L71] SORT_1 input_180; [L72] SORT_1 input_185; [L73] SORT_1 input_186; [L74] SORT_1 input_187; [L75] SORT_1 input_188; [L76] SORT_1 input_189; [L77] SORT_1 input_190; [L78] SORT_1 input_191; [L79] SORT_1 input_192; [L80] SORT_1 input_206; [L81] SORT_1 input_210; [L82] SORT_1 input_211; [L83] SORT_1 input_212; [L84] SORT_1 input_213; [L85] SORT_1 input_214; [L86] SORT_1 input_215; [L87] SORT_1 input_216; [L88] SORT_1 input_217; [L89] SORT_1 input_231; [L90] SORT_1 input_235; [L91] SORT_1 input_236; [L92] SORT_1 input_237; [L93] SORT_1 input_238; [L94] SORT_1 input_239; [L95] SORT_1 input_240; [L96] SORT_1 input_241; [L97] SORT_1 input_242; [L98] SORT_1 input_260; [L99] SORT_1 input_270; [L100] SORT_1 input_274; [L101] SORT_1 input_278; [L102] SORT_1 input_287; [L103] SORT_1 input_293; [L104] SORT_1 input_298; [L105] SORT_1 input_307; [L106] SORT_1 input_317; [L107] SORT_1 input_327; [L108] SORT_1 input_331; [L109] SORT_1 input_335; [L110] SORT_1 input_344; [L111] SORT_1 input_350; [L112] SORT_1 input_355; [L113] SORT_1 input_364; [L114] SORT_1 input_374; [L115] SORT_1 input_384; [L116] SORT_1 input_388; [L117] SORT_1 input_392; [L118] SORT_1 input_401; [L119] SORT_1 input_407; [L120] SORT_1 input_412; [L121] SORT_1 input_421; [L123] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L123] SORT_2 state_6 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L124] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L124] SORT_2 state_8 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L125] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L125] SORT_2 state_10 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L126] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L126] SORT_2 state_12 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L127] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L127] SORT_2 state_14 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L128] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L128] SORT_2 state_16 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L129] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L129] SORT_2 state_18 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L130] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L130] SORT_2 state_20 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L131] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L131] SORT_2 state_22 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L132] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L132] SORT_2 state_24 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L133] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L133] SORT_2 state_26 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L134] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L134] SORT_2 state_28 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L135] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L135] SORT_1 state_31 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L136] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L136] SORT_1 state_33 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L137] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L137] SORT_1 state_35 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L138] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L138] SORT_1 state_37 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L139] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L139] SORT_1 state_39 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L140] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L140] SORT_1 state_41 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L141] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L141] SORT_1 state_43 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L142] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L142] SORT_1 state_45 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L143] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L143] SORT_1 state_47 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L144] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L144] SORT_1 state_49 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L145] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L145] SORT_1 state_51 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L146] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L146] SORT_1 state_53 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L147] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L147] SORT_1 state_55 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L148] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L148] SORT_1 state_57 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L149] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L149] SORT_1 state_59 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L150] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L150] SORT_1 state_61 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L151] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L151] SORT_1 state_63 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L152] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L152] SORT_1 state_65 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L153] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L153] SORT_1 state_67 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L154] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L154] SORT_1 state_69 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L155] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L155] SORT_1 state_71 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L156] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L156] SORT_1 state_73 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L157] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L157] SORT_1 state_75 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L158] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L158] SORT_1 state_77 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L159] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L159] SORT_1 state_79 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L160] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L160] SORT_1 state_81 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L161] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L161] SORT_1 state_83 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L162] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L162] SORT_1 state_85 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L163] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L163] SORT_1 state_87 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L164] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L164] SORT_1 state_89 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L165] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L165] SORT_1 state_91 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L166] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L166] SORT_1 state_93 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L167] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L167] SORT_1 state_95 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L168] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L168] SORT_1 state_97 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L169] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L169] SORT_1 state_99 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L170] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L170] SORT_1 state_101 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L171] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L171] SORT_1 state_103 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L172] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L172] SORT_1 state_105 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L173] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L173] SORT_1 state_107 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L174] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L174] SORT_1 state_109 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L176] SORT_2 init_7_arg_1 = var_5; [L177] state_6 = init_7_arg_1 [L178] SORT_2 init_9_arg_1 = var_5; [L179] state_8 = init_9_arg_1 [L180] SORT_2 init_11_arg_1 = var_5; [L181] state_10 = init_11_arg_1 [L182] SORT_2 init_13_arg_1 = var_5; [L183] state_12 = init_13_arg_1 [L184] SORT_2 init_15_arg_1 = var_5; [L185] state_14 = init_15_arg_1 [L186] SORT_2 init_17_arg_1 = var_5; [L187] state_16 = init_17_arg_1 [L188] SORT_2 init_19_arg_1 = var_5; [L189] state_18 = init_19_arg_1 [L190] SORT_2 init_21_arg_1 = var_5; [L191] state_20 = init_21_arg_1 [L192] SORT_2 init_23_arg_1 = var_5; [L193] state_22 = init_23_arg_1 [L194] SORT_2 init_25_arg_1 = var_5; [L195] state_24 = init_25_arg_1 [L196] SORT_2 init_27_arg_1 = var_5; [L197] state_26 = init_27_arg_1 [L198] SORT_2 init_29_arg_1 = var_5; [L199] state_28 = init_29_arg_1 [L200] SORT_1 init_32_arg_1 = var_30; [L201] state_31 = init_32_arg_1 [L202] SORT_1 init_34_arg_1 = var_30; [L203] state_33 = init_34_arg_1 [L204] SORT_1 init_36_arg_1 = var_30; [L205] state_35 = init_36_arg_1 [L206] SORT_1 init_38_arg_1 = var_30; [L207] state_37 = init_38_arg_1 [L208] SORT_1 init_40_arg_1 = var_30; [L209] state_39 = init_40_arg_1 [L210] SORT_1 init_42_arg_1 = var_30; [L211] state_41 = init_42_arg_1 [L212] SORT_1 init_44_arg_1 = var_30; [L213] state_43 = init_44_arg_1 [L214] SORT_1 init_46_arg_1 = var_30; [L215] state_45 = init_46_arg_1 [L216] SORT_1 init_48_arg_1 = var_30; [L217] state_47 = init_48_arg_1 [L218] SORT_1 init_50_arg_1 = var_30; [L219] state_49 = init_50_arg_1 [L220] SORT_1 init_52_arg_1 = var_30; [L221] state_51 = init_52_arg_1 [L222] SORT_1 init_54_arg_1 = var_30; [L223] state_53 = init_54_arg_1 [L224] SORT_1 init_56_arg_1 = var_30; [L225] state_55 = init_56_arg_1 [L226] SORT_1 init_58_arg_1 = var_30; [L227] state_57 = init_58_arg_1 [L228] SORT_1 init_60_arg_1 = var_30; [L229] state_59 = init_60_arg_1 [L230] SORT_1 init_62_arg_1 = var_30; [L231] state_61 = init_62_arg_1 [L232] SORT_1 init_64_arg_1 = var_30; [L233] state_63 = init_64_arg_1 [L234] SORT_1 init_66_arg_1 = var_30; [L235] state_65 = init_66_arg_1 [L236] SORT_1 init_68_arg_1 = var_30; [L237] state_67 = init_68_arg_1 [L238] SORT_1 init_70_arg_1 = var_30; [L239] state_69 = init_70_arg_1 [L240] SORT_1 init_72_arg_1 = var_30; [L241] state_71 = init_72_arg_1 [L242] SORT_1 init_74_arg_1 = var_30; [L243] state_73 = init_74_arg_1 [L244] SORT_1 init_76_arg_1 = var_30; [L245] state_75 = init_76_arg_1 [L246] SORT_1 init_78_arg_1 = var_30; [L247] state_77 = init_78_arg_1 [L248] SORT_1 init_80_arg_1 = var_30; [L249] state_79 = init_80_arg_1 [L250] SORT_1 init_82_arg_1 = var_30; [L251] state_81 = init_82_arg_1 [L252] SORT_1 init_84_arg_1 = var_30; [L253] state_83 = init_84_arg_1 [L254] SORT_1 init_86_arg_1 = var_30; [L255] state_85 = init_86_arg_1 [L256] SORT_1 init_88_arg_1 = var_30; [L257] state_87 = init_88_arg_1 [L258] SORT_1 init_90_arg_1 = var_30; [L259] state_89 = init_90_arg_1 [L260] SORT_1 init_92_arg_1 = var_30; [L261] state_91 = init_92_arg_1 [L262] SORT_1 init_94_arg_1 = var_30; [L263] state_93 = init_94_arg_1 [L264] SORT_1 init_96_arg_1 = var_30; [L265] state_95 = init_96_arg_1 [L266] SORT_1 init_98_arg_1 = var_30; [L267] state_97 = init_98_arg_1 [L268] SORT_1 init_100_arg_1 = var_30; [L269] state_99 = init_100_arg_1 [L270] SORT_1 init_102_arg_1 = var_30; [L271] state_101 = init_102_arg_1 [L272] SORT_1 init_104_arg_1 = var_30; [L273] state_103 = init_104_arg_1 [L274] SORT_1 init_106_arg_1 = var_30; [L275] state_105 = init_106_arg_1 [L276] SORT_1 init_108_arg_1 = var_30; [L277] state_107 = init_108_arg_1 [L278] SORT_1 init_110_arg_1 = var_30; [L279] state_109 = init_110_arg_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_101=0, state_103=0, state_105=0, state_107=0, state_109=0, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_73=0, state_75=0, state_77=0, state_79=0, state_81=0, state_83=0, state_85=0, state_87=0, state_89=0, state_8=0, state_91=0, state_93=0, state_95=0, state_97=0, state_99=0, var_111=1, var_112=0, var_122=0, var_124=1, var_181=0, var_428=3, var_439=3, var_704=2, var_713=2] [L282] input_121 = __VERIFIER_nondet_uchar() [L283] EXPR input_121 & mask_SORT_1 [L283] input_121 = input_121 & mask_SORT_1 [L284] input_123 = __VERIFIER_nondet_uchar() [L285] EXPR input_123 & mask_SORT_1 [L285] input_123 = input_123 & mask_SORT_1 [L286] input_128 = __VERIFIER_nondet_uchar() [L287] EXPR input_128 & mask_SORT_1 [L287] input_128 = input_128 & mask_SORT_1 [L288] input_129 = __VERIFIER_nondet_uchar() [L289] EXPR input_129 & mask_SORT_1 [L289] input_129 = input_129 & mask_SORT_1 [L290] input_133 = __VERIFIER_nondet_uchar() [L291] EXPR input_133 & mask_SORT_1 [L291] input_133 = input_133 & mask_SORT_1 [L292] input_134 = __VERIFIER_nondet_uchar() [L293] EXPR input_134 & mask_SORT_1 [L293] input_134 = input_134 & mask_SORT_1 [L294] input_138 = __VERIFIER_nondet_uchar() [L295] EXPR input_138 & mask_SORT_1 [L295] input_138 = input_138 & mask_SORT_1 [L296] input_139 = __VERIFIER_nondet_uchar() [L297] EXPR input_139 & mask_SORT_1 [L297] input_139 = input_139 & mask_SORT_1 [L298] input_144 = __VERIFIER_nondet_uchar() [L299] EXPR input_144 & mask_SORT_1 [L299] input_144 = input_144 & mask_SORT_1 [L300] input_145 = __VERIFIER_nondet_uchar() [L301] EXPR input_145 & mask_SORT_1 [L301] input_145 = input_145 & mask_SORT_1 [L302] input_150 = __VERIFIER_nondet_uchar() [L303] EXPR input_150 & mask_SORT_1 [L303] input_150 = input_150 & mask_SORT_1 [L304] input_151 = __VERIFIER_nondet_uchar() [L305] EXPR input_151 & mask_SORT_1 [L305] input_151 = input_151 & mask_SORT_1 [L306] input_156 = __VERIFIER_nondet_uchar() [L307] EXPR input_156 & mask_SORT_1 [L307] input_156 = input_156 & mask_SORT_1 [L308] input_157 = __VERIFIER_nondet_uchar() [L309] EXPR input_157 & mask_SORT_1 [L309] input_157 = input_157 & mask_SORT_1 [L310] input_158 = __VERIFIER_nondet_uchar() [L311] EXPR input_158 & mask_SORT_1 [L311] input_158 = input_158 & mask_SORT_1 [L312] input_164 = __VERIFIER_nondet_uchar() [L313] EXPR input_164 & mask_SORT_1 [L313] input_164 = input_164 & mask_SORT_1 [L314] input_165 = __VERIFIER_nondet_uchar() [L315] EXPR input_165 & mask_SORT_1 [L315] input_165 = input_165 & mask_SORT_1 [L316] input_166 = __VERIFIER_nondet_uchar() [L317] EXPR input_166 & mask_SORT_1 [L317] input_166 = input_166 & mask_SORT_1 [L318] input_172 = __VERIFIER_nondet_uchar() [L319] EXPR input_172 & mask_SORT_1 [L319] input_172 = input_172 & mask_SORT_1 [L320] input_173 = __VERIFIER_nondet_uchar() [L321] EXPR input_173 & mask_SORT_1 [L321] input_173 = input_173 & mask_SORT_1 [L322] input_174 = __VERIFIER_nondet_uchar() [L323] EXPR input_174 & mask_SORT_1 [L323] input_174 = input_174 & mask_SORT_1 [L324] input_180 = __VERIFIER_nondet_uchar() [L325] EXPR input_180 & mask_SORT_1 [L325] input_180 = input_180 & mask_SORT_1 [L326] input_185 = __VERIFIER_nondet_uchar() [L327] EXPR input_185 & mask_SORT_1 [L327] input_185 = input_185 & mask_SORT_1 [L328] input_186 = __VERIFIER_nondet_uchar() [L329] EXPR input_186 & mask_SORT_1 [L329] input_186 = input_186 & mask_SORT_1 [L330] input_187 = __VERIFIER_nondet_uchar() [L331] EXPR input_187 & mask_SORT_1 [L331] input_187 = input_187 & mask_SORT_1 [L332] input_188 = __VERIFIER_nondet_uchar() [L333] EXPR input_188 & mask_SORT_1 [L333] input_188 = input_188 & mask_SORT_1 [L334] input_189 = __VERIFIER_nondet_uchar() [L335] EXPR input_189 & mask_SORT_1 [L335] input_189 = input_189 & mask_SORT_1 [L336] input_190 = __VERIFIER_nondet_uchar() [L337] EXPR input_190 & mask_SORT_1 [L337] input_190 = input_190 & mask_SORT_1 [L338] input_191 = __VERIFIER_nondet_uchar() [L339] EXPR input_191 & mask_SORT_1 [L339] input_191 = input_191 & mask_SORT_1 [L340] input_192 = __VERIFIER_nondet_uchar() [L341] EXPR input_192 & mask_SORT_1 [L341] input_192 = input_192 & mask_SORT_1 [L342] input_206 = __VERIFIER_nondet_uchar() [L343] EXPR input_206 & mask_SORT_1 [L343] input_206 = input_206 & mask_SORT_1 [L344] input_210 = __VERIFIER_nondet_uchar() [L345] EXPR input_210 & mask_SORT_1 [L345] input_210 = input_210 & mask_SORT_1 [L346] input_211 = __VERIFIER_nondet_uchar() [L347] EXPR input_211 & mask_SORT_1 [L347] input_211 = input_211 & mask_SORT_1 [L348] input_212 = __VERIFIER_nondet_uchar() [L349] EXPR input_212 & mask_SORT_1 [L349] input_212 = input_212 & mask_SORT_1 [L350] input_213 = __VERIFIER_nondet_uchar() [L351] EXPR input_213 & mask_SORT_1 [L351] input_213 = input_213 & mask_SORT_1 [L352] input_214 = __VERIFIER_nondet_uchar() [L353] EXPR input_214 & mask_SORT_1 [L353] input_214 = input_214 & mask_SORT_1 [L354] input_215 = __VERIFIER_nondet_uchar() [L355] EXPR input_215 & mask_SORT_1 [L355] input_215 = input_215 & mask_SORT_1 [L356] input_216 = __VERIFIER_nondet_uchar() [L357] EXPR input_216 & mask_SORT_1 [L357] input_216 = input_216 & mask_SORT_1 [L358] input_217 = __VERIFIER_nondet_uchar() [L359] EXPR input_217 & mask_SORT_1 [L359] input_217 = input_217 & mask_SORT_1 [L360] input_231 = __VERIFIER_nondet_uchar() [L361] EXPR input_231 & mask_SORT_1 [L361] input_231 = input_231 & mask_SORT_1 [L362] input_235 = __VERIFIER_nondet_uchar() [L363] EXPR input_235 & mask_SORT_1 [L363] input_235 = input_235 & mask_SORT_1 [L364] input_236 = __VERIFIER_nondet_uchar() [L365] EXPR input_236 & mask_SORT_1 [L365] input_236 = input_236 & mask_SORT_1 [L366] input_237 = __VERIFIER_nondet_uchar() [L367] EXPR input_237 & mask_SORT_1 [L367] input_237 = input_237 & mask_SORT_1 [L368] input_238 = __VERIFIER_nondet_uchar() [L369] EXPR input_238 & mask_SORT_1 [L369] input_238 = input_238 & mask_SORT_1 [L370] input_239 = __VERIFIER_nondet_uchar() [L371] EXPR input_239 & mask_SORT_1 [L371] input_239 = input_239 & mask_SORT_1 [L372] input_240 = __VERIFIER_nondet_uchar() [L373] EXPR input_240 & mask_SORT_1 [L373] input_240 = input_240 & mask_SORT_1 [L374] input_241 = __VERIFIER_nondet_uchar() [L375] EXPR input_241 & mask_SORT_1 [L375] input_241 = input_241 & mask_SORT_1 [L376] input_242 = __VERIFIER_nondet_uchar() [L377] EXPR input_242 & mask_SORT_1 [L377] input_242 = input_242 & mask_SORT_1 [L378] input_260 = __VERIFIER_nondet_uchar() [L379] input_270 = __VERIFIER_nondet_uchar() [L380] input_274 = __VERIFIER_nondet_uchar() [L381] input_278 = __VERIFIER_nondet_uchar() [L382] input_287 = __VERIFIER_nondet_uchar() [L383] input_293 = __VERIFIER_nondet_uchar() [L384] input_298 = __VERIFIER_nondet_uchar() [L385] input_307 = __VERIFIER_nondet_uchar() [L386] input_317 = __VERIFIER_nondet_uchar() [L387] input_327 = __VERIFIER_nondet_uchar() [L388] input_331 = __VERIFIER_nondet_uchar() [L389] input_335 = __VERIFIER_nondet_uchar() [L390] input_344 = __VERIFIER_nondet_uchar() [L391] input_350 = __VERIFIER_nondet_uchar() [L392] input_355 = __VERIFIER_nondet_uchar() [L393] input_364 = __VERIFIER_nondet_uchar() [L394] input_374 = __VERIFIER_nondet_uchar() [L395] input_384 = __VERIFIER_nondet_uchar() [L396] input_388 = __VERIFIER_nondet_uchar() [L397] input_392 = __VERIFIER_nondet_uchar() [L398] input_401 = __VERIFIER_nondet_uchar() [L399] input_407 = __VERIFIER_nondet_uchar() [L400] input_412 = __VERIFIER_nondet_uchar() [L401] input_421 = __VERIFIER_nondet_uchar() [L404] SORT_1 var_113_arg_0 = state_55; [L405] SORT_4 var_113_arg_1 = var_111; [L406] SORT_4 var_113_arg_2 = var_112; [L407] SORT_4 var_113 = var_113_arg_0 ? var_113_arg_1 : var_113_arg_2; [L408] SORT_1 var_114_arg_0 = state_81; [L409] SORT_4 var_114_arg_1 = var_111; [L410] SORT_4 var_114_arg_2 = var_112; [L411] SORT_4 var_114 = var_114_arg_0 ? var_114_arg_1 : var_114_arg_2; [L412] SORT_4 var_115_arg_0 = var_113; [L413] SORT_4 var_115_arg_1 = var_114; [L414] SORT_4 var_115 = var_115_arg_0 + var_115_arg_1; [L415] SORT_1 var_116_arg_0 = state_107; [L416] SORT_4 var_116_arg_1 = var_111; [L417] SORT_4 var_116_arg_2 = var_112; [L418] SORT_4 var_116 = var_116_arg_0 ? var_116_arg_1 : var_116_arg_2; [L419] SORT_4 var_117_arg_0 = var_115; [L420] SORT_4 var_117_arg_1 = var_116; [L421] SORT_4 var_117 = var_117_arg_0 + var_117_arg_1; [L422] EXPR var_117 & mask_SORT_4 [L422] var_117 = var_117 & mask_SORT_4 [L423] SORT_4 var_118_arg_0 = var_117; [L424] SORT_4 var_118_arg_1 = var_111; [L425] SORT_1 var_118 = var_118_arg_0 <= var_118_arg_1; [L426] SORT_1 var_119_arg_0 = ~state_109; [L427] EXPR var_119_arg_0 & mask_SORT_1 [L427] var_119_arg_0 = var_119_arg_0 & mask_SORT_1 [L428] SORT_1 var_119_arg_1 = ~var_118; [L429] EXPR var_119_arg_1 & mask_SORT_1 [L429] var_119_arg_1 = var_119_arg_1 & mask_SORT_1 [L430] EXPR var_119_arg_0 & var_119_arg_1 [L430] SORT_1 var_119 = var_119_arg_0 & var_119_arg_1; [L431] EXPR var_119 & mask_SORT_1 [L431] var_119 = var_119 & mask_SORT_1 [L432] SORT_1 bad_120_arg_0 = var_119; [L433] CALL __VERIFIER_assert(!(bad_120_arg_0)) [L21] COND TRUE !(cond) [L21] reach_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 7 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 2.4s, OverallIterations: 1, TraceHistogramMax: 1, 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=7occurred 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: 0.0s SsaConstructionTime, 1.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 4 NumberOfCodeBlocks, 4 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-14 04:39:41,377 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59cacd87-30ee-4846-ad20-e2c47f3a7525/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_59cacd87-30ee-4846-ad20-e2c47f3a7525/bin/utaipan-verify-sOmjnqqW8E/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59cacd87-30ee-4846-ad20-e2c47f3a7525/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_59cacd87-30ee-4846-ad20-e2c47f3a7525/bin/utaipan-verify-sOmjnqqW8E/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59cacd87-30ee-4846-ad20-e2c47f3a7525/bin/utaipan-verify-sOmjnqqW8E/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.szymanski.2.prop1-func-interl.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59cacd87-30ee-4846-ad20-e2c47f3a7525/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Reach-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59cacd87-30ee-4846-ad20-e2c47f3a7525/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 64bit --witnessprinter.graph.data.programhash 8e787197bef8462111095d28424bda7ca1ab025eefae5e7946d7b66d0ed71fcd --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-14 04:39:44,654 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-14 04:39:44,828 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59cacd87-30ee-4846-ad20-e2c47f3a7525/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2024-11-14 04:39:44,834 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-14 04:39:44,835 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-14 04:39:44,878 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-14 04:39:44,879 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-14 04:39:44,879 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-14 04:39:44,880 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-14 04:39:44,880 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-14 04:39:44,880 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-14 04:39:44,880 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-14 04:39:44,881 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-14 04:39:44,881 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-14 04:39:44,881 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-14 04:39:44,881 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-14 04:39:44,882 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-14 04:39:44,882 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-14 04:39:44,882 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-14 04:39:44,882 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-14 04:39:44,883 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-14 04:39:44,883 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-14 04:39:44,883 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-14 04:39:44,883 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-14 04:39:44,883 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-14 04:39:44,883 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-14 04:39:44,884 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-14 04:39:44,884 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-14 04:39:44,884 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-14 04:39:44,884 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-14 04:39:44,884 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-14 04:39:44,885 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-14 04:39:44,885 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 04:39:44,885 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-14 04:39:44,885 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-14 04:39:44,885 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-14 04:39:44,886 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-14 04:39:44,886 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-14 04:39:44,886 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-14 04:39:44,886 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-14 04:39:44,886 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_59cacd87-30ee-4846-ad20-e2c47f3a7525/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 -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8e787197bef8462111095d28424bda7ca1ab025eefae5e7946d7b66d0ed71fcd [2024-11-14 04:39:45,246 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-14 04:39:45,256 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-14 04:39:45,259 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-14 04:39:45,260 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-14 04:39:45,261 INFO L274 PluginConnector]: CDTParser initialized [2024-11-14 04:39:45,262 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59cacd87-30ee-4846-ad20-e2c47f3a7525/bin/utaipan-verify-sOmjnqqW8E/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.szymanski.2.prop1-func-interl.c Unable to find full path for "g++" [2024-11-14 04:39:47,408 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-14 04:39:47,983 INFO L384 CDTParser]: Found 1 translation units. [2024-11-14 04:39:47,984 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59cacd87-30ee-4846-ad20-e2c47f3a7525/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.szymanski.2.prop1-func-interl.c [2024-11-14 04:39:48,026 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59cacd87-30ee-4846-ad20-e2c47f3a7525/bin/utaipan-verify-sOmjnqqW8E/data/3aa360763/3af9fc53615548a6b7f9808280f21938/FLAG9065f91e3 [2024-11-14 04:39:48,048 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59cacd87-30ee-4846-ad20-e2c47f3a7525/bin/utaipan-verify-sOmjnqqW8E/data/3aa360763/3af9fc53615548a6b7f9808280f21938 [2024-11-14 04:39:48,052 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-14 04:39:48,054 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-14 04:39:48,056 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-14 04:39:48,056 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-14 04:39:48,061 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-14 04:39:48,062 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 04:39:48" (1/1) ... [2024-11-14 04:39:48,063 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@578c5d05 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:39:48, skipping insertion in model container [2024-11-14 04:39:48,064 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 04:39:48" (1/1) ... [2024-11-14 04:39:48,184 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-14 04:39:48,450 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_59cacd87-30ee-4846-ad20-e2c47f3a7525/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.szymanski.2.prop1-func-interl.c[1176,1189] [2024-11-14 04:39:49,035 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 04:39:49,055 INFO L200 MainTranslator]: Completed pre-run [2024-11-14 04:39:49,069 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_59cacd87-30ee-4846-ad20-e2c47f3a7525/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.szymanski.2.prop1-func-interl.c[1176,1189] [2024-11-14 04:39:49,427 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 04:39:49,450 INFO L204 MainTranslator]: Completed translation [2024-11-14 04:39:49,451 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:39:49 WrapperNode [2024-11-14 04:39:49,452 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-14 04:39:49,453 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-14 04:39:49,454 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-14 04:39:49,454 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-14 04:39:49,462 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:39:49" (1/1) ... [2024-11-14 04:39:49,569 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:39:49" (1/1) ... [2024-11-14 04:39:49,799 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 3791 [2024-11-14 04:39:49,799 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-14 04:39:49,800 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-14 04:39:49,800 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-14 04:39:49,800 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-14 04:39:49,810 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:39:49" (1/1) ... [2024-11-14 04:39:49,810 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:39:49" (1/1) ... [2024-11-14 04:39:49,844 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:39:49" (1/1) ... [2024-11-14 04:39:49,844 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:39:49" (1/1) ... [2024-11-14 04:39:49,957 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:39:49" (1/1) ... [2024-11-14 04:39:49,966 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:39:49" (1/1) ... [2024-11-14 04:39:49,980 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:39:49" (1/1) ... [2024-11-14 04:39:49,995 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:39:49" (1/1) ... [2024-11-14 04:39:50,038 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-14 04:39:50,041 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-14 04:39:50,042 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-14 04:39:50,042 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-14 04:39:50,043 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:39:49" (1/1) ... [2024-11-14 04:39:50,055 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 04:39:50,077 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59cacd87-30ee-4846-ad20-e2c47f3a7525/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 04:39:50,093 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59cacd87-30ee-4846-ad20-e2c47f3a7525/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-14 04:39:50,103 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59cacd87-30ee-4846-ad20-e2c47f3a7525/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-14 04:39:50,137 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-14 04:39:50,137 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-14 04:39:50,137 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-14 04:39:50,138 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-14 04:39:51,229 INFO L238 CfgBuilder]: Building ICFG [2024-11-14 04:39:51,231 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-14 04:39:58,161 INFO L? ?]: Removed 161 outVars from TransFormulas that were not future-live. [2024-11-14 04:39:58,161 INFO L287 CfgBuilder]: Performing block encoding [2024-11-14 04:39:58,172 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-14 04:39:58,173 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-14 04:39:58,173 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 04:39:58 BoogieIcfgContainer [2024-11-14 04:39:58,174 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-14 04:39:58,177 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-14 04:39:58,177 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-14 04:39:58,183 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-14 04:39:58,183 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.11 04:39:48" (1/3) ... [2024-11-14 04:39:58,184 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@151c28b3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 04:39:58, skipping insertion in model container [2024-11-14 04:39:58,184 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:39:49" (2/3) ... [2024-11-14 04:39:58,185 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@151c28b3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 04:39:58, skipping insertion in model container [2024-11-14 04:39:58,186 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 04:39:58" (3/3) ... [2024-11-14 04:39:58,188 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.szymanski.2.prop1-func-interl.c [2024-11-14 04:39:58,208 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-14 04:39:58,210 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG btor2c-lazyMod.szymanski.2.prop1-func-interl.c that has 1 procedures, 10 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-14 04:39:58,278 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-14 04:39:58,296 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;@69882cce, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-14 04:39:58,296 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-14 04:39:58,301 INFO L276 IsEmpty]: Start isEmpty. Operand has 10 states, 8 states have (on average 1.375) internal successors, (11), 9 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 04:39:58,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-14 04:39:58,308 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:39:58,309 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2024-11-14 04:39:58,310 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 04:39:58,314 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:39:58,315 INFO L85 PathProgramCache]: Analyzing trace with hash 28694789, now seen corresponding path program 1 times [2024-11-14 04:39:58,331 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 04:39:58,331 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [578143130] [2024-11-14 04:39:58,332 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:39:58,333 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-14 04:39:58,333 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59cacd87-30ee-4846-ad20-e2c47f3a7525/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 04:39:58,335 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59cacd87-30ee-4846-ad20-e2c47f3a7525/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-14 04:39:58,340 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59cacd87-30ee-4846-ad20-e2c47f3a7525/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2024-11-14 04:39:59,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:39:59,542 INFO L255 TraceCheckSpWp]: Trace formula consists of 212 conjuncts, 32 conjuncts are in the unsatisfiable core [2024-11-14 04:39:59,577 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 04:39:59,982 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 04:39:59,982 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-14 04:39:59,983 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-14 04:39:59,983 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [578143130] [2024-11-14 04:39:59,984 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [578143130] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 04:39:59,984 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 04:39:59,984 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-14 04:39:59,986 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [934057330] [2024-11-14 04:39:59,987 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 04:39:59,991 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-14 04:39:59,992 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-14 04:40:00,018 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-14 04:40:00,019 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-14 04:40:00,021 INFO L87 Difference]: Start difference. First operand has 10 states, 8 states have (on average 1.375) internal successors, (11), 9 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 04:40:00,474 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 04:40:00,475 INFO L93 Difference]: Finished difference Result 18 states and 23 transitions. [2024-11-14 04:40:00,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-14 04:40:00,477 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5 [2024-11-14 04:40:00,477 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 04:40:00,483 INFO L225 Difference]: With dead ends: 18 [2024-11-14 04:40:00,484 INFO L226 Difference]: Without dead ends: 10 [2024-11-14 04:40:00,486 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-14 04:40:00,489 INFO L432 NwaCegarLoop]: 4 mSDtfsCounter, 2 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 11 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-14 04:40:00,490 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 11 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-14 04:40:00,504 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10 states. [2024-11-14 04:40:00,513 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10 to 9. [2024-11-14 04:40:00,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 8 states have (on average 1.125) internal successors, (9), 8 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 04:40:00,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2024-11-14 04:40:00,519 INFO L78 Accepts]: Start accepts. Automaton has 9 states and 9 transitions. Word has length 5 [2024-11-14 04:40:00,519 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 04:40:00,519 INFO L471 AbstractCegarLoop]: Abstraction has 9 states and 9 transitions. [2024-11-14 04:40:00,520 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 04:40:00,520 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 9 transitions. [2024-11-14 04:40:00,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-14 04:40:00,520 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:40:00,520 INFO L215 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1] [2024-11-14 04:40:00,526 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59cacd87-30ee-4846-ad20-e2c47f3a7525/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2024-11-14 04:40:00,721 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59cacd87-30ee-4846-ad20-e2c47f3a7525/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-14 04:40:00,722 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 04:40:00,722 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:40:00,723 INFO L85 PathProgramCache]: Analyzing trace with hash 152739811, now seen corresponding path program 1 times [2024-11-14 04:40:00,725 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 04:40:00,728 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1062132610] [2024-11-14 04:40:00,728 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:40:00,729 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-14 04:40:00,729 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59cacd87-30ee-4846-ad20-e2c47f3a7525/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 04:40:00,733 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59cacd87-30ee-4846-ad20-e2c47f3a7525/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-14 04:40:00,736 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59cacd87-30ee-4846-ad20-e2c47f3a7525/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2024-11-14 04:40:02,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:40:02,280 INFO L255 TraceCheckSpWp]: Trace formula consists of 340 conjuncts, 45 conjuncts are in the unsatisfiable core [2024-11-14 04:40:02,332 INFO L278 TraceCheckSpWp]: Computing forward predicates...