./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-83.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_a0d1af22-ed38-4d37-92bd-7180e9d9138c/bin/utaipan-verify-sOmjnqqW8E/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d1af22-ed38-4d37-92bd-7180e9d9138c/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_a0d1af22-ed38-4d37-92bd-7180e9d9138c/bin/utaipan-verify-sOmjnqqW8E/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d1af22-ed38-4d37-92bd-7180e9d9138c/bin/utaipan-verify-sOmjnqqW8E/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-83.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d1af22-ed38-4d37-92bd-7180e9d9138c/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_a0d1af22-ed38-4d37-92bd-7180e9d9138c/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 351f6622941f7f74e988d8cdcab9246d04d06f8f3de385fe106bb0a76e19cdae --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-14 04:49:45,730 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-14 04:49:45,811 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d1af22-ed38-4d37-92bd-7180e9d9138c/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Reach-32bit-Taipan_Default.epf [2024-11-14 04:49:45,816 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-14 04:49:45,817 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-14 04:49:45,843 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-14 04:49:45,843 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-14 04:49:45,844 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-14 04:49:45,844 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-14 04:49:45,844 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-14 04:49:45,844 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-14 04:49:45,844 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-14 04:49:45,844 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-14 04:49:45,844 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-14 04:49:45,845 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-14 04:49:45,845 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-14 04:49:45,845 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-14 04:49:45,845 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-14 04:49:45,845 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-14 04:49:45,845 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-14 04:49:45,845 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-14 04:49:45,845 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-14 04:49:45,846 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-14 04:49:45,846 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-14 04:49:45,846 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-14 04:49:45,846 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-14 04:49:45,846 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-14 04:49:45,846 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-14 04:49:45,846 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-14 04:49:45,847 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-14 04:49:45,847 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-14 04:49:45,847 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-14 04:49:45,847 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-14 04:49:45,847 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-14 04:49:45,847 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-14 04:49:45,847 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-14 04:49:45,847 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-14 04:49:45,848 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-14 04:49:45,848 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 04:49:45,848 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-14 04:49:45,848 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-14 04:49:45,848 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-14 04:49:45,848 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-14 04:49:45,848 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-14 04:49:45,848 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-14 04:49:45,849 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-14 04:49:45,849 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-14 04:49:45,849 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_a0d1af22-ed38-4d37-92bd-7180e9d9138c/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 -> 351f6622941f7f74e988d8cdcab9246d04d06f8f3de385fe106bb0a76e19cdae [2024-11-14 04:49:46,204 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-14 04:49:46,220 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-14 04:49:46,223 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-14 04:49:46,225 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-14 04:49:46,226 INFO L274 PluginConnector]: CDTParser initialized [2024-11-14 04:49:46,230 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d1af22-ed38-4d37-92bd-7180e9d9138c/bin/utaipan-verify-sOmjnqqW8E/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-83.i Unable to find full path for "g++" [2024-11-14 04:49:48,337 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-14 04:49:48,634 INFO L384 CDTParser]: Found 1 translation units. [2024-11-14 04:49:48,635 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d1af22-ed38-4d37-92bd-7180e9d9138c/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-83.i [2024-11-14 04:49:48,647 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d1af22-ed38-4d37-92bd-7180e9d9138c/bin/utaipan-verify-sOmjnqqW8E/data/bc2616194/f846833093244610ba2a52409d5dcbb1/FLAG455d467aa [2024-11-14 04:49:48,666 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d1af22-ed38-4d37-92bd-7180e9d9138c/bin/utaipan-verify-sOmjnqqW8E/data/bc2616194/f846833093244610ba2a52409d5dcbb1 [2024-11-14 04:49:48,670 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-14 04:49:48,672 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-14 04:49:48,673 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-14 04:49:48,673 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-14 04:49:48,679 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-14 04:49:48,680 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 04:49:48" (1/1) ... [2024-11-14 04:49:48,682 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@227a7a5a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:49:48, skipping insertion in model container [2024-11-14 04:49:48,682 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 04:49:48" (1/1) ... [2024-11-14 04:49:48,714 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-14 04:49:48,903 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_a0d1af22-ed38-4d37-92bd-7180e9d9138c/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-83.i[915,928] [2024-11-14 04:49:48,997 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 04:49:49,009 INFO L200 MainTranslator]: Completed pre-run [2024-11-14 04:49:49,023 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_a0d1af22-ed38-4d37-92bd-7180e9d9138c/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-83.i[915,928] [2024-11-14 04:49:49,057 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 04:49:49,077 INFO L204 MainTranslator]: Completed translation [2024-11-14 04:49:49,078 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:49:49 WrapperNode [2024-11-14 04:49:49,078 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-14 04:49:49,079 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-14 04:49:49,079 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-14 04:49:49,082 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-14 04:49:49,090 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:49:49" (1/1) ... [2024-11-14 04:49:49,107 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:49:49" (1/1) ... [2024-11-14 04:49:49,202 INFO L138 Inliner]: procedures = 26, calls = 32, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 173 [2024-11-14 04:49:49,202 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-14 04:49:49,203 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-14 04:49:49,203 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-14 04:49:49,203 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-14 04:49:49,220 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:49:49" (1/1) ... [2024-11-14 04:49:49,220 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:49:49" (1/1) ... [2024-11-14 04:49:49,227 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:49:49" (1/1) ... [2024-11-14 04:49:49,228 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:49:49" (1/1) ... [2024-11-14 04:49:49,244 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:49:49" (1/1) ... [2024-11-14 04:49:49,252 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:49:49" (1/1) ... [2024-11-14 04:49:49,258 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:49:49" (1/1) ... [2024-11-14 04:49:49,262 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:49:49" (1/1) ... [2024-11-14 04:49:49,270 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-14 04:49:49,271 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-14 04:49:49,272 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-14 04:49:49,272 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-14 04:49:49,275 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:49:49" (1/1) ... [2024-11-14 04:49:49,289 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 04:49:49,308 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d1af22-ed38-4d37-92bd-7180e9d9138c/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 04:49:49,323 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d1af22-ed38-4d37-92bd-7180e9d9138c/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-14 04:49:49,331 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d1af22-ed38-4d37-92bd-7180e9d9138c/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-14 04:49:49,357 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-14 04:49:49,357 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-14 04:49:49,357 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-14 04:49:49,357 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-14 04:49:49,358 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-14 04:49:49,358 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-14 04:49:49,486 INFO L238 CfgBuilder]: Building ICFG [2024-11-14 04:49:49,489 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-14 04:49:50,266 INFO L? ?]: Removed 16 outVars from TransFormulas that were not future-live. [2024-11-14 04:49:50,266 INFO L287 CfgBuilder]: Performing block encoding [2024-11-14 04:49:50,698 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-14 04:49:50,700 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-14 04:49:50,700 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 04:49:50 BoogieIcfgContainer [2024-11-14 04:49:50,701 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-14 04:49:50,705 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-14 04:49:50,705 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-14 04:49:50,711 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-14 04:49:50,711 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.11 04:49:48" (1/3) ... [2024-11-14 04:49:50,712 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@538b9cd5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 04:49:50, skipping insertion in model container [2024-11-14 04:49:50,712 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:49:49" (2/3) ... [2024-11-14 04:49:50,714 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@538b9cd5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 04:49:50, skipping insertion in model container [2024-11-14 04:49:50,714 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 04:49:50" (3/3) ... [2024-11-14 04:49:50,715 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount50_file-83.i [2024-11-14 04:49:50,739 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-14 04:49:50,741 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_operatoramount_amount50_file-83.i that has 2 procedures, 38 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-14 04:49:50,841 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-14 04:49:50,866 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;@1ef9974f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-14 04:49:50,867 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-14 04:49:50,874 INFO L276 IsEmpty]: Start isEmpty. Operand has 38 states, 16 states have (on average 1.1875) internal successors, (19), 17 states have internal predecessors, (19), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-11-14 04:49:50,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2024-11-14 04:49:50,897 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:49:50,898 INFO L215 NwaCegarLoop]: trace histogram [19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 04:49:50,898 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 04:49:50,910 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:49:50,910 INFO L85 PathProgramCache]: Analyzing trace with hash 1006176953, now seen corresponding path program 1 times [2024-11-14 04:49:50,933 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 04:49:50,933 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [968237556] [2024-11-14 04:49:50,934 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:49:50,935 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 04:49:51,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-14 04:49:51,743 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [890823966] [2024-11-14 04:49:51,743 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:49:51,743 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 04:49:51,744 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d1af22-ed38-4d37-92bd-7180e9d9138c/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 04:49:51,746 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d1af22-ed38-4d37-92bd-7180e9d9138c/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-14 04:49:51,749 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d1af22-ed38-4d37-92bd-7180e9d9138c/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-14 04:49:52,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-14 04:49:52,259 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-14 04:49:52,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-14 04:49:52,597 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2024-11-14 04:49:52,599 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-14 04:49:52,601 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-14 04:49:52,613 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d1af22-ed38-4d37-92bd-7180e9d9138c/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-14 04:49:52,804 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d1af22-ed38-4d37-92bd-7180e9d9138c/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-11-14 04:49:52,810 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-14 04:49:52,917 INFO L173 ceAbstractionStarter]: Computing trace abstraction results [2024-11-14 04:49:52,924 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.11 04:49:52 BoogieIcfgContainer [2024-11-14 04:49:52,924 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-14 04:49:52,924 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-14 04:49:52,925 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-14 04:49:52,925 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-14 04:49:52,925 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 04:49:50" (3/4) ... [2024-11-14 04:49:52,933 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-14 04:49:52,934 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-14 04:49:52,935 INFO L158 Benchmark]: Toolchain (without parser) took 4263.80ms. Allocated memory is still 117.4MB. Free memory was 92.7MB in the beginning and 47.7MB in the end (delta: 45.0MB). Peak memory consumption was 42.7MB. Max. memory is 16.1GB. [2024-11-14 04:49:52,936 INFO L158 Benchmark]: CDTParser took 0.59ms. 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 04:49:52,936 INFO L158 Benchmark]: CACSL2BoogieTranslator took 405.35ms. Allocated memory is still 117.4MB. Free memory was 92.5MB in the beginning and 78.5MB in the end (delta: 14.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-14 04:49:52,936 INFO L158 Benchmark]: Boogie Procedure Inliner took 123.00ms. Allocated memory is still 117.4MB. Free memory was 78.5MB in the beginning and 73.3MB in the end (delta: 5.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 04:49:52,937 INFO L158 Benchmark]: Boogie Preprocessor took 67.31ms. Allocated memory is still 117.4MB. Free memory was 73.3MB in the beginning and 71.3MB in the end (delta: 2.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-14 04:49:52,941 INFO L158 Benchmark]: RCFGBuilder took 1429.32ms. Allocated memory is still 117.4MB. Free memory was 71.3MB in the beginning and 53.5MB in the end (delta: 17.7MB). Peak memory consumption was 30.5MB. Max. memory is 16.1GB. [2024-11-14 04:49:52,942 INFO L158 Benchmark]: TraceAbstraction took 2219.21ms. Allocated memory is still 117.4MB. Free memory was 53.0MB in the beginning and 47.7MB in the end (delta: 5.3MB). Peak memory consumption was 3.8MB. Max. memory is 16.1GB. [2024-11-14 04:49:52,942 INFO L158 Benchmark]: Witness Printer took 9.51ms. Allocated memory is still 117.4MB. Free memory was 47.7MB in the beginning and 47.7MB in the end (delta: 13.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 04:49:52,945 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.59ms. Allocated memory is still 117.4MB. Free memory is still 73.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 405.35ms. Allocated memory is still 117.4MB. Free memory was 92.5MB in the beginning and 78.5MB in the end (delta: 14.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 123.00ms. Allocated memory is still 117.4MB. Free memory was 78.5MB in the beginning and 73.3MB in the end (delta: 5.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 67.31ms. Allocated memory is still 117.4MB. Free memory was 73.3MB in the beginning and 71.3MB in the end (delta: 2.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 1429.32ms. Allocated memory is still 117.4MB. Free memory was 71.3MB in the beginning and 53.5MB in the end (delta: 17.7MB). Peak memory consumption was 30.5MB. Max. memory is 16.1GB. * TraceAbstraction took 2219.21ms. Allocated memory is still 117.4MB. Free memory was 53.0MB in the beginning and 47.7MB in the end (delta: 5.3MB). Peak memory consumption was 3.8MB. Max. memory is 16.1GB. * Witness Printer took 9.51ms. Allocated memory is still 117.4MB. Free memory was 47.7MB in the beginning and 47.7MB in the end (delta: 13.7kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 95, overapproximation of someBinaryFLOATComparisonOperation at line 68, overapproximation of someBinaryFLOATComparisonOperation at line 97, overapproximation of bitwiseOr at line 59, overapproximation of someBinaryArithmeticFLOAToperation at line 43. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed long int var_1_1 = -25; [L23] unsigned char var_1_2 = 0; [L24] signed long int var_1_3 = 1230640054; [L25] signed long int var_1_6 = 1508873667; [L26] unsigned char var_1_7 = 64; [L27] unsigned char var_1_8 = 200; [L28] unsigned char var_1_9 = 16; [L29] unsigned char var_1_10 = 0; [L30] unsigned char var_1_11 = 8; [L31] float var_1_12 = 15.4; [L32] float var_1_16 = 10000000000000.375; [L33] float var_1_17 = 16.4; [L34] float var_1_18 = 8.5; [L35] float var_1_19 = 64.75; [L36] unsigned char var_1_20 = 16; [L37] signed char var_1_22 = 0; [L38] unsigned char var_1_23 = 16; [L110] isInitial = 1 [L111] FCALL initially() [L112] COND TRUE 1 [L113] FCALL updateLastVariables() [L114] CALL updateVariables() [L73] var_1_2 = __VERIFIER_nondet_uchar() [L74] CALL assume_abort_if_not(var_1_2 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=8, var_1_12=77/5, var_1_16=80000000000003/8, var_1_17=82/5, var_1_18=17/2, var_1_19=259/4, var_1_1=-25, var_1_20=16, var_1_22=0, var_1_23=16, var_1_3=1230640054, var_1_6=1508873667, var_1_7=64, var_1_8=200, var_1_9=16] [L20] COND FALSE !(!cond) [L74] RET assume_abort_if_not(var_1_2 >= 0) VAL [isInitial=1, var_1_10=0, var_1_11=8, var_1_12=77/5, var_1_16=80000000000003/8, var_1_17=82/5, var_1_18=17/2, var_1_19=259/4, var_1_1=-25, var_1_20=16, var_1_22=0, var_1_23=16, var_1_3=1230640054, var_1_6=1508873667, var_1_7=64, var_1_8=200, var_1_9=16] [L75] CALL assume_abort_if_not(var_1_2 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=8, var_1_12=77/5, var_1_16=80000000000003/8, var_1_17=82/5, var_1_18=17/2, var_1_19=259/4, var_1_1=-25, var_1_20=16, var_1_22=0, var_1_23=16, var_1_2=0, var_1_3=1230640054, var_1_6=1508873667, var_1_7=64, var_1_8=200, var_1_9=16] [L20] COND FALSE !(!cond) [L75] RET assume_abort_if_not(var_1_2 <= 1) VAL [isInitial=1, var_1_10=0, var_1_11=8, var_1_12=77/5, var_1_16=80000000000003/8, var_1_17=82/5, var_1_18=17/2, var_1_19=259/4, var_1_1=-25, var_1_20=16, var_1_22=0, var_1_23=16, var_1_2=0, var_1_3=1230640054, var_1_6=1508873667, var_1_7=64, var_1_8=200, var_1_9=16] [L76] var_1_3 = __VERIFIER_nondet_long() [L77] CALL assume_abort_if_not(var_1_3 >= 1073741822) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=8, var_1_12=77/5, var_1_16=80000000000003/8, var_1_17=82/5, var_1_18=17/2, var_1_19=259/4, var_1_1=-25, var_1_20=16, var_1_22=0, var_1_23=16, var_1_2=0, var_1_3=1073741822, var_1_6=1508873667, var_1_7=64, var_1_8=200, var_1_9=16] [L20] COND FALSE !(!cond) [L77] RET assume_abort_if_not(var_1_3 >= 1073741822) VAL [isInitial=1, var_1_10=0, var_1_11=8, var_1_12=77/5, var_1_16=80000000000003/8, var_1_17=82/5, var_1_18=17/2, var_1_19=259/4, var_1_1=-25, var_1_20=16, var_1_22=0, var_1_23=16, var_1_2=0, var_1_3=1073741822, var_1_6=1508873667, var_1_7=64, var_1_8=200, var_1_9=16] [L78] CALL assume_abort_if_not(var_1_3 <= 2147483646) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=8, var_1_12=77/5, var_1_16=80000000000003/8, var_1_17=82/5, var_1_18=17/2, var_1_19=259/4, var_1_1=-25, var_1_20=16, var_1_22=0, var_1_23=16, var_1_2=0, var_1_3=1073741822, var_1_6=1508873667, var_1_7=64, var_1_8=200, var_1_9=16] [L20] COND FALSE !(!cond) [L78] RET assume_abort_if_not(var_1_3 <= 2147483646) VAL [isInitial=1, var_1_10=0, var_1_11=8, var_1_12=77/5, var_1_16=80000000000003/8, var_1_17=82/5, var_1_18=17/2, var_1_19=259/4, var_1_1=-25, var_1_20=16, var_1_22=0, var_1_23=16, var_1_2=0, var_1_3=1073741822, var_1_6=1508873667, var_1_7=64, var_1_8=200, var_1_9=16] [L79] var_1_6 = __VERIFIER_nondet_long() [L80] CALL assume_abort_if_not(var_1_6 >= 1073741822) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=8, var_1_12=77/5, var_1_16=80000000000003/8, var_1_17=82/5, var_1_18=17/2, var_1_19=259/4, var_1_1=-25, var_1_20=16, var_1_22=0, var_1_23=16, var_1_2=0, var_1_3=1073741822, var_1_6=1073741913, var_1_7=64, var_1_8=200, var_1_9=16] [L20] COND FALSE !(!cond) [L80] RET assume_abort_if_not(var_1_6 >= 1073741822) VAL [isInitial=1, var_1_10=0, var_1_11=8, var_1_12=77/5, var_1_16=80000000000003/8, var_1_17=82/5, var_1_18=17/2, var_1_19=259/4, var_1_1=-25, var_1_20=16, var_1_22=0, var_1_23=16, var_1_2=0, var_1_3=1073741822, var_1_6=1073741913, var_1_7=64, var_1_8=200, var_1_9=16] [L81] CALL assume_abort_if_not(var_1_6 <= 2147483646) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=8, var_1_12=77/5, var_1_16=80000000000003/8, var_1_17=82/5, var_1_18=17/2, var_1_19=259/4, var_1_1=-25, var_1_20=16, var_1_22=0, var_1_23=16, var_1_2=0, var_1_3=1073741822, var_1_6=1073741913, var_1_7=64, var_1_8=200, var_1_9=16] [L20] COND FALSE !(!cond) [L81] RET assume_abort_if_not(var_1_6 <= 2147483646) VAL [isInitial=1, var_1_10=0, var_1_11=8, var_1_12=77/5, var_1_16=80000000000003/8, var_1_17=82/5, var_1_18=17/2, var_1_19=259/4, var_1_1=-25, var_1_20=16, var_1_22=0, var_1_23=16, var_1_2=0, var_1_3=1073741822, var_1_6=1073741913, var_1_7=64, var_1_8=200, var_1_9=16] [L82] var_1_8 = __VERIFIER_nondet_uchar() [L83] CALL assume_abort_if_not(var_1_8 >= 190) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=8, var_1_12=77/5, var_1_16=80000000000003/8, var_1_17=82/5, var_1_18=17/2, var_1_19=259/4, var_1_1=-25, var_1_20=16, var_1_22=0, var_1_23=16, var_1_2=0, var_1_3=1073741822, var_1_6=1073741913, var_1_7=64, var_1_8=221, var_1_9=16] [L20] COND FALSE !(!cond) [L83] RET assume_abort_if_not(var_1_8 >= 190) VAL [isInitial=1, var_1_10=0, var_1_11=8, var_1_12=77/5, var_1_16=80000000000003/8, var_1_17=82/5, var_1_18=17/2, var_1_19=259/4, var_1_1=-25, var_1_20=16, var_1_22=0, var_1_23=16, var_1_2=0, var_1_3=1073741822, var_1_6=1073741913, var_1_7=64, var_1_8=221, var_1_9=16] [L84] CALL assume_abort_if_not(var_1_8 <= 254) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=8, var_1_12=77/5, var_1_16=80000000000003/8, var_1_17=82/5, var_1_18=17/2, var_1_19=259/4, var_1_1=-25, var_1_20=16, var_1_22=0, var_1_23=16, var_1_2=0, var_1_3=1073741822, var_1_6=1073741913, var_1_7=64, var_1_8=221, var_1_9=16] [L20] COND FALSE !(!cond) [L84] RET assume_abort_if_not(var_1_8 <= 254) VAL [isInitial=1, var_1_10=0, var_1_11=8, var_1_12=77/5, var_1_16=80000000000003/8, var_1_17=82/5, var_1_18=17/2, var_1_19=259/4, var_1_1=-25, var_1_20=16, var_1_22=0, var_1_23=16, var_1_2=0, var_1_3=1073741822, var_1_6=1073741913, var_1_7=64, var_1_8=221, var_1_9=16] [L85] var_1_9 = __VERIFIER_nondet_uchar() [L86] CALL assume_abort_if_not(var_1_9 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=8, var_1_12=77/5, var_1_16=80000000000003/8, var_1_17=82/5, var_1_18=17/2, var_1_19=259/4, var_1_1=-25, var_1_20=16, var_1_22=0, var_1_23=16, var_1_2=0, var_1_3=1073741822, var_1_6=1073741913, var_1_7=64, var_1_8=221] [L20] COND FALSE !(!cond) [L86] RET assume_abort_if_not(var_1_9 >= 0) VAL [isInitial=1, var_1_10=0, var_1_11=8, var_1_12=77/5, var_1_16=80000000000003/8, var_1_17=82/5, var_1_18=17/2, var_1_19=259/4, var_1_1=-25, var_1_20=16, var_1_22=0, var_1_23=16, var_1_2=0, var_1_3=1073741822, var_1_6=1073741913, var_1_7=64, var_1_8=221] [L87] CALL assume_abort_if_not(var_1_9 <= 63) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=8, var_1_12=77/5, var_1_16=80000000000003/8, var_1_17=82/5, var_1_18=17/2, var_1_19=259/4, var_1_1=-25, var_1_20=16, var_1_22=0, var_1_23=16, var_1_2=0, var_1_3=1073741822, var_1_6=1073741913, var_1_7=64, var_1_8=221, var_1_9=-705] [L20] COND FALSE !(!cond) [L87] RET assume_abort_if_not(var_1_9 <= 63) VAL [isInitial=1, var_1_10=0, var_1_11=8, var_1_12=77/5, var_1_16=80000000000003/8, var_1_17=82/5, var_1_18=17/2, var_1_19=259/4, var_1_1=-25, var_1_20=16, var_1_22=0, var_1_23=16, var_1_2=0, var_1_3=1073741822, var_1_6=1073741913, var_1_7=64, var_1_8=221, var_1_9=-705] [L88] var_1_10 = __VERIFIER_nondet_uchar() [L89] CALL assume_abort_if_not(var_1_10 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_11=8, var_1_12=77/5, var_1_16=80000000000003/8, var_1_17=82/5, var_1_18=17/2, var_1_19=259/4, var_1_1=-25, var_1_20=16, var_1_22=0, var_1_23=16, var_1_2=0, var_1_3=1073741822, var_1_6=1073741913, var_1_7=64, var_1_8=221, var_1_9=-705] [L20] COND FALSE !(!cond) [L89] RET assume_abort_if_not(var_1_10 >= 0) VAL [isInitial=1, var_1_11=8, var_1_12=77/5, var_1_16=80000000000003/8, var_1_17=82/5, var_1_18=17/2, var_1_19=259/4, var_1_1=-25, var_1_20=16, var_1_22=0, var_1_23=16, var_1_2=0, var_1_3=1073741822, var_1_6=1073741913, var_1_7=64, var_1_8=221, var_1_9=-705] [L90] CALL assume_abort_if_not(var_1_10 <= 32) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=8, var_1_12=77/5, var_1_16=80000000000003/8, var_1_17=82/5, var_1_18=17/2, var_1_19=259/4, var_1_1=-25, var_1_20=16, var_1_22=0, var_1_23=16, var_1_2=0, var_1_3=1073741822, var_1_6=1073741913, var_1_7=64, var_1_8=221, var_1_9=-705] [L20] COND FALSE !(!cond) [L90] RET assume_abort_if_not(var_1_10 <= 32) VAL [isInitial=1, var_1_10=1, var_1_11=8, var_1_12=77/5, var_1_16=80000000000003/8, var_1_17=82/5, var_1_18=17/2, var_1_19=259/4, var_1_1=-25, var_1_20=16, var_1_22=0, var_1_23=16, var_1_2=0, var_1_3=1073741822, var_1_6=1073741913, var_1_7=64, var_1_8=221, var_1_9=-705] [L91] var_1_11 = __VERIFIER_nondet_uchar() [L92] CALL assume_abort_if_not(var_1_11 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_12=77/5, var_1_16=80000000000003/8, var_1_17=82/5, var_1_18=17/2, var_1_19=259/4, var_1_1=-25, var_1_20=16, var_1_22=0, var_1_23=16, var_1_2=0, var_1_3=1073741822, var_1_6=1073741913, var_1_7=64, var_1_8=221, var_1_9=-705] [L20] COND FALSE !(!cond) [L92] RET assume_abort_if_not(var_1_11 >= 0) VAL [isInitial=1, var_1_10=1, var_1_12=77/5, var_1_16=80000000000003/8, var_1_17=82/5, var_1_18=17/2, var_1_19=259/4, var_1_1=-25, var_1_20=16, var_1_22=0, var_1_23=16, var_1_2=0, var_1_3=1073741822, var_1_6=1073741913, var_1_7=64, var_1_8=221, var_1_9=-705] [L93] CALL assume_abort_if_not(var_1_11 <= 31) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=31, var_1_12=77/5, var_1_16=80000000000003/8, var_1_17=82/5, var_1_18=17/2, var_1_19=259/4, var_1_1=-25, var_1_20=16, var_1_22=0, var_1_23=16, var_1_2=0, var_1_3=1073741822, var_1_6=1073741913, var_1_7=64, var_1_8=221, var_1_9=-705] [L20] COND FALSE !(!cond) [L93] RET assume_abort_if_not(var_1_11 <= 31) VAL [isInitial=1, var_1_10=1, var_1_11=31, var_1_12=77/5, var_1_16=80000000000003/8, var_1_17=82/5, var_1_18=17/2, var_1_19=259/4, var_1_1=-25, var_1_20=16, var_1_22=0, var_1_23=16, var_1_2=0, var_1_3=1073741822, var_1_6=1073741913, var_1_7=64, var_1_8=221, var_1_9=-705] [L94] var_1_17 = __VERIFIER_nondet_float() [L95] CALL assume_abort_if_not((var_1_17 >= -461168.6018427382800e+13F && var_1_17 <= -1.0e-20F) || (var_1_17 <= 4611686.018427382800e+12F && var_1_17 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=31, var_1_12=77/5, var_1_16=80000000000003/8, var_1_18=17/2, var_1_19=259/4, var_1_1=-25, var_1_20=16, var_1_22=0, var_1_23=16, var_1_2=0, var_1_3=1073741822, var_1_6=1073741913, var_1_7=64, var_1_8=221, var_1_9=-705] [L20] COND FALSE !(!cond) [L95] RET assume_abort_if_not((var_1_17 >= -461168.6018427382800e+13F && var_1_17 <= -1.0e-20F) || (var_1_17 <= 4611686.018427382800e+12F && var_1_17 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=1, var_1_11=31, var_1_12=77/5, var_1_16=80000000000003/8, var_1_18=17/2, var_1_19=259/4, var_1_1=-25, var_1_20=16, var_1_22=0, var_1_23=16, var_1_2=0, var_1_3=1073741822, var_1_6=1073741913, var_1_7=64, var_1_8=221, var_1_9=-705] [L96] var_1_18 = __VERIFIER_nondet_float() [L97] CALL assume_abort_if_not((var_1_18 >= -461168.6018427382800e+13F && var_1_18 <= -1.0e-20F) || (var_1_18 <= 4611686.018427382800e+12F && var_1_18 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=31, var_1_12=77/5, var_1_16=80000000000003/8, var_1_19=259/4, var_1_1=-25, var_1_20=16, var_1_22=0, var_1_23=16, var_1_2=0, var_1_3=1073741822, var_1_6=1073741913, var_1_7=64, var_1_8=221, var_1_9=-705] [L20] COND FALSE !(!cond) [L97] RET assume_abort_if_not((var_1_18 >= -461168.6018427382800e+13F && var_1_18 <= -1.0e-20F) || (var_1_18 <= 4611686.018427382800e+12F && var_1_18 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=1, var_1_11=31, var_1_12=77/5, var_1_16=80000000000003/8, var_1_19=259/4, var_1_1=-25, var_1_20=16, var_1_22=0, var_1_23=16, var_1_2=0, var_1_3=1073741822, var_1_6=1073741913, var_1_7=64, var_1_8=221, var_1_9=-705] [L98] var_1_20 = __VERIFIER_nondet_uchar() [L99] CALL assume_abort_if_not(var_1_20 >= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=31, var_1_12=77/5, var_1_16=80000000000003/8, var_1_19=259/4, var_1_1=-25, var_1_20=63, var_1_22=0, var_1_23=16, var_1_2=0, var_1_3=1073741822, var_1_6=1073741913, var_1_7=64, var_1_8=221, var_1_9=-705] [L20] COND FALSE !(!cond) [L99] RET assume_abort_if_not(var_1_20 >= 1) VAL [isInitial=1, var_1_10=1, var_1_11=31, var_1_12=77/5, var_1_16=80000000000003/8, var_1_19=259/4, var_1_1=-25, var_1_20=63, var_1_22=0, var_1_23=16, var_1_2=0, var_1_3=1073741822, var_1_6=1073741913, var_1_7=64, var_1_8=221, var_1_9=-705] [L100] CALL assume_abort_if_not(var_1_20 <= 126) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=31, var_1_12=77/5, var_1_16=80000000000003/8, var_1_19=259/4, var_1_1=-25, var_1_20=63, var_1_22=0, var_1_23=16, var_1_2=0, var_1_3=1073741822, var_1_6=1073741913, var_1_7=64, var_1_8=221, var_1_9=-705] [L20] COND FALSE !(!cond) [L100] RET assume_abort_if_not(var_1_20 <= 126) VAL [isInitial=1, var_1_10=1, var_1_11=31, var_1_12=77/5, var_1_16=80000000000003/8, var_1_19=259/4, var_1_1=-25, var_1_20=63, var_1_22=0, var_1_23=16, var_1_2=0, var_1_3=1073741822, var_1_6=1073741913, var_1_7=64, var_1_8=221, var_1_9=-705] [L101] CALL assume_abort_if_not(var_1_20 != 127) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=31, var_1_12=77/5, var_1_16=80000000000003/8, var_1_19=259/4, var_1_1=-25, var_1_20=63, var_1_22=0, var_1_23=16, var_1_2=0, var_1_3=1073741822, var_1_6=1073741913, var_1_7=64, var_1_8=221, var_1_9=-705] [L20] COND FALSE !(!cond) [L101] RET assume_abort_if_not(var_1_20 != 127) VAL [isInitial=1, var_1_10=1, var_1_11=31, var_1_12=77/5, var_1_16=80000000000003/8, var_1_19=259/4, var_1_1=-25, var_1_20=63, var_1_22=0, var_1_23=16, var_1_2=0, var_1_3=1073741822, var_1_6=1073741913, var_1_7=64, var_1_8=221, var_1_9=-705] [L114] RET updateVariables() [L115] CALL step() [L42] var_1_7 = ((var_1_8 - var_1_9) - (100 - (var_1_10 + var_1_11))) [L43] var_1_16 = (var_1_17 + ((((var_1_18) < 0 ) ? -(var_1_18) : (var_1_18)))) [L44] COND FALSE !((3886175339u - var_1_20) <= (var_1_9 / var_1_3)) [L51] var_1_23 = var_1_20 [L53] COND FALSE !(\read(var_1_2)) [L56] var_1_1 = (((((var_1_3) > ((var_1_6 - var_1_7))) ? (var_1_3) : ((var_1_6 - var_1_7)))) - var_1_7) [L58] signed long int stepLocal_1 = var_1_9 % (var_1_8 - var_1_20); [L59] EXPR var_1_7 ^ var_1_10 [L59] signed long int stepLocal_0 = var_1_7 ^ var_1_10; [L60] COND FALSE !(stepLocal_1 > ((((var_1_23) < 0 ) ? -(var_1_23) : (var_1_23)))) [L65] COND TRUE (var_1_11 % var_1_20) < var_1_1 [L66] var_1_22 = ((((10) > (var_1_10)) ? (10) : (var_1_10))) [L68] COND TRUE ((((var_1_16) > (var_1_16)) ? (var_1_16) : (var_1_16))) <= (- (var_1_19 / 4.9f)) [L69] var_1_12 = 31.5f [L115] RET step() [L116] CALL, EXPR property() [L106] EXPR ((((var_1_2 ? (var_1_1 == ((signed long int) ((var_1_3 - var_1_7) - var_1_7))) : (var_1_1 == ((signed long int) (((((var_1_3) > ((var_1_6 - var_1_7))) ? (var_1_3) : ((var_1_6 - var_1_7)))) - var_1_7)))) && (var_1_7 == ((unsigned char) ((var_1_8 - var_1_9) - (100 - (var_1_10 + var_1_11)))))) && ((((((var_1_16) > (var_1_16)) ? (var_1_16) : (var_1_16))) <= (- (var_1_19 / 4.9f))) ? (var_1_12 == ((float) 31.5f)) : 1)) && (var_1_16 == ((float) (var_1_17 + ((((var_1_18) < 0 ) ? -(var_1_18) : (var_1_18))))))) && (((var_1_9 % (var_1_8 - var_1_20)) > ((((var_1_23) < 0 ) ? -(var_1_23) : (var_1_23)))) ? (((var_1_3 ^ var_1_23) <= (var_1_7 ^ var_1_10)) ? (var_1_19 == ((float) var_1_17)) : 1) : 1) [L106-L107] return ((((((var_1_2 ? (var_1_1 == ((signed long int) ((var_1_3 - var_1_7) - var_1_7))) : (var_1_1 == ((signed long int) (((((var_1_3) > ((var_1_6 - var_1_7))) ? (var_1_3) : ((var_1_6 - var_1_7)))) - var_1_7)))) && (var_1_7 == ((unsigned char) ((var_1_8 - var_1_9) - (100 - (var_1_10 + var_1_11)))))) && ((((((var_1_16) > (var_1_16)) ? (var_1_16) : (var_1_16))) <= (- (var_1_19 / 4.9f))) ? (var_1_12 == ((float) 31.5f)) : 1)) && (var_1_16 == ((float) (var_1_17 + ((((var_1_18) < 0 ) ? -(var_1_18) : (var_1_18))))))) && (((var_1_9 % (var_1_8 - var_1_20)) > ((((var_1_23) < 0 ) ? -(var_1_23) : (var_1_23)))) ? (((var_1_3 ^ var_1_23) <= (var_1_7 ^ var_1_10)) ? (var_1_19 == ((float) var_1_17)) : 1) : 1)) && (((var_1_11 % var_1_20) < var_1_1) ? (var_1_22 == ((signed char) ((((10) > (var_1_10)) ? (10) : (var_1_10))))) : 1)) && (((3886175339u - var_1_20) <= (var_1_9 / var_1_3)) ? ((var_1_10 > var_1_7) ? (var_1_23 == ((unsigned char) ((((var_1_20) < ((var_1_8 - var_1_9))) ? (var_1_20) : ((var_1_8 - var_1_9)))))) : (var_1_23 == ((unsigned char) (((((var_1_20) > (64)) ? (var_1_20) : (64))) + var_1_11)))) : (var_1_23 == ((unsigned char) var_1_20))) ; [L116] RET, EXPR property() [L116] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, var_1_10=1, var_1_11=31, var_1_12=63/2, var_1_17=0, var_1_19=259/4, var_1_1=1073741733, var_1_20=63, var_1_22=10, var_1_23=63, var_1_2=0, var_1_3=1073741822, var_1_6=1073741913, var_1_7=90, var_1_8=221, var_1_9=-705] [L19] reach_error() VAL [isInitial=1, var_1_10=1, var_1_11=31, var_1_12=63/2, var_1_17=0, var_1_19=259/4, var_1_1=1073741733, var_1_20=63, var_1_22=10, var_1_23=63, var_1_2=0, var_1_3=1073741822, var_1_6=1073741913, var_1_7=90, var_1_8=221, var_1_9=-705] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 38 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 2.0s, OverallIterations: 1, TraceHistogramMax: 19, 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=38occurred 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, 1.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 142 NumberOfCodeBlocks, 142 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-14 04:49:52,995 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d1af22-ed38-4d37-92bd-7180e9d9138c/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_a0d1af22-ed38-4d37-92bd-7180e9d9138c/bin/utaipan-verify-sOmjnqqW8E/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d1af22-ed38-4d37-92bd-7180e9d9138c/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_a0d1af22-ed38-4d37-92bd-7180e9d9138c/bin/utaipan-verify-sOmjnqqW8E/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d1af22-ed38-4d37-92bd-7180e9d9138c/bin/utaipan-verify-sOmjnqqW8E/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-83.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d1af22-ed38-4d37-92bd-7180e9d9138c/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_a0d1af22-ed38-4d37-92bd-7180e9d9138c/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 351f6622941f7f74e988d8cdcab9246d04d06f8f3de385fe106bb0a76e19cdae --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-14 04:49:56,195 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-14 04:49:56,348 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d1af22-ed38-4d37-92bd-7180e9d9138c/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2024-11-14 04:49:56,357 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-14 04:49:56,358 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-14 04:49:56,400 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-14 04:49:56,401 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-14 04:49:56,401 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-14 04:49:56,402 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-14 04:49:56,402 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-14 04:49:56,402 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-14 04:49:56,402 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-14 04:49:56,403 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-14 04:49:56,403 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-14 04:49:56,403 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-14 04:49:56,404 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-14 04:49:56,405 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-14 04:49:56,405 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-14 04:49:56,405 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-14 04:49:56,405 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-14 04:49:56,406 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-14 04:49:56,406 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-14 04:49:56,406 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-14 04:49:56,406 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-14 04:49:56,406 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-14 04:49:56,406 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-14 04:49:56,406 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-14 04:49:56,407 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-14 04:49:56,407 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-14 04:49:56,407 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-14 04:49:56,407 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-14 04:49:56,408 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-14 04:49:56,408 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-14 04:49:56,408 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-14 04:49:56,408 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-14 04:49:56,408 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 04:49:56,408 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-14 04:49:56,409 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-14 04:49:56,410 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-14 04:49:56,410 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-14 04:49:56,410 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-14 04:49:56,410 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-14 04:49:56,410 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-14 04:49:56,410 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_a0d1af22-ed38-4d37-92bd-7180e9d9138c/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 -> 351f6622941f7f74e988d8cdcab9246d04d06f8f3de385fe106bb0a76e19cdae [2024-11-14 04:49:56,825 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-14 04:49:56,837 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-14 04:49:56,840 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-14 04:49:56,843 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-14 04:49:56,843 INFO L274 PluginConnector]: CDTParser initialized [2024-11-14 04:49:56,846 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d1af22-ed38-4d37-92bd-7180e9d9138c/bin/utaipan-verify-sOmjnqqW8E/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-83.i Unable to find full path for "g++" [2024-11-14 04:49:59,127 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-14 04:49:59,405 INFO L384 CDTParser]: Found 1 translation units. [2024-11-14 04:49:59,407 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d1af22-ed38-4d37-92bd-7180e9d9138c/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-83.i [2024-11-14 04:49:59,429 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d1af22-ed38-4d37-92bd-7180e9d9138c/bin/utaipan-verify-sOmjnqqW8E/data/ca9f7da60/9004cb8b123c4d87a9b3418d0a8bfaaf/FLAGfca0a0c03 [2024-11-14 04:49:59,461 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d1af22-ed38-4d37-92bd-7180e9d9138c/bin/utaipan-verify-sOmjnqqW8E/data/ca9f7da60/9004cb8b123c4d87a9b3418d0a8bfaaf [2024-11-14 04:49:59,464 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-14 04:49:59,466 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-14 04:49:59,469 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-14 04:49:59,470 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-14 04:49:59,476 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-14 04:49:59,477 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 04:49:59" (1/1) ... [2024-11-14 04:49:59,478 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3353a212 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:49:59, skipping insertion in model container [2024-11-14 04:49:59,481 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 04:49:59" (1/1) ... [2024-11-14 04:49:59,511 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-14 04:49:59,725 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_a0d1af22-ed38-4d37-92bd-7180e9d9138c/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-83.i[915,928] [2024-11-14 04:49:59,833 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 04:49:59,856 INFO L200 MainTranslator]: Completed pre-run [2024-11-14 04:49:59,870 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_a0d1af22-ed38-4d37-92bd-7180e9d9138c/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-83.i[915,928] [2024-11-14 04:49:59,906 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 04:49:59,942 INFO L204 MainTranslator]: Completed translation [2024-11-14 04:49:59,945 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:49:59 WrapperNode [2024-11-14 04:49:59,945 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-14 04:49:59,946 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-14 04:49:59,947 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-14 04:49:59,947 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-14 04:49:59,956 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:49:59" (1/1) ... [2024-11-14 04:49:59,972 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:49:59" (1/1) ... [2024-11-14 04:50:00,027 INFO L138 Inliner]: procedures = 27, calls = 32, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 118 [2024-11-14 04:50:00,028 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-14 04:50:00,028 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-14 04:50:00,031 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-14 04:50:00,031 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-14 04:50:00,042 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:49:59" (1/1) ... [2024-11-14 04:50:00,043 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:49:59" (1/1) ... [2024-11-14 04:50:00,048 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:49:59" (1/1) ... [2024-11-14 04:50:00,052 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:49:59" (1/1) ... [2024-11-14 04:50:00,074 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:49:59" (1/1) ... [2024-11-14 04:50:00,082 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:49:59" (1/1) ... [2024-11-14 04:50:00,088 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:49:59" (1/1) ... [2024-11-14 04:50:00,091 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:49:59" (1/1) ... [2024-11-14 04:50:00,100 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-14 04:50:00,101 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-14 04:50:00,101 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-14 04:50:00,102 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-14 04:50:00,103 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:49:59" (1/1) ... [2024-11-14 04:50:00,110 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 04:50:00,131 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d1af22-ed38-4d37-92bd-7180e9d9138c/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 04:50:00,149 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d1af22-ed38-4d37-92bd-7180e9d9138c/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-14 04:50:00,154 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d1af22-ed38-4d37-92bd-7180e9d9138c/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-14 04:50:00,186 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-14 04:50:00,186 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-14 04:50:00,187 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-14 04:50:00,187 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-14 04:50:00,187 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-14 04:50:00,187 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-14 04:50:00,322 INFO L238 CfgBuilder]: Building ICFG [2024-11-14 04:50:00,324 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-14 04:50:02,733 INFO L? ?]: Removed 12 outVars from TransFormulas that were not future-live. [2024-11-14 04:50:02,734 INFO L287 CfgBuilder]: Performing block encoding [2024-11-14 04:50:02,747 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-14 04:50:02,748 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-14 04:50:02,748 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 04:50:02 BoogieIcfgContainer [2024-11-14 04:50:02,749 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-14 04:50:02,752 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-14 04:50:02,753 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-14 04:50:02,761 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-14 04:50:02,762 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.11 04:49:59" (1/3) ... [2024-11-14 04:50:02,763 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@74a03e32 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 04:50:02, skipping insertion in model container [2024-11-14 04:50:02,763 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:49:59" (2/3) ... [2024-11-14 04:50:02,763 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@74a03e32 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 04:50:02, skipping insertion in model container [2024-11-14 04:50:02,764 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 04:50:02" (3/3) ... [2024-11-14 04:50:02,765 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount50_file-83.i [2024-11-14 04:50:02,786 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-14 04:50:02,788 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_operatoramount_amount50_file-83.i that has 2 procedures, 56 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-14 04:50:02,887 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-14 04:50:02,902 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;@5732fecd, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-14 04:50:02,903 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-14 04:50:02,908 INFO L276 IsEmpty]: Start isEmpty. Operand has 56 states, 34 states have (on average 1.3529411764705883) internal successors, (46), 35 states have internal predecessors, (46), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-11-14 04:50:02,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2024-11-14 04:50:02,921 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:50:02,922 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 04:50:02,923 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 04:50:02,927 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:50:02,927 INFO L85 PathProgramCache]: Analyzing trace with hash -1103582724, now seen corresponding path program 1 times [2024-11-14 04:50:02,941 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 04:50:02,942 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [83124908] [2024-11-14 04:50:02,942 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:50:02,943 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 04:50:02,943 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d1af22-ed38-4d37-92bd-7180e9d9138c/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 04:50:02,946 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d1af22-ed38-4d37-92bd-7180e9d9138c/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 04:50:02,951 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d1af22-ed38-4d37-92bd-7180e9d9138c/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 04:50:03,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:50:03,724 INFO L255 TraceCheckSpWp]: Trace formula consists of 195 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-14 04:50:03,733 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 04:50:03,782 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 360 proven. 0 refuted. 0 times theorem prover too weak. 324 trivial. 0 not checked. [2024-11-14 04:50:03,782 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-14 04:50:03,783 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-14 04:50:03,783 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [83124908] [2024-11-14 04:50:03,784 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [83124908] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 04:50:03,784 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 04:50:03,784 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-14 04:50:03,786 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [656635414] [2024-11-14 04:50:03,787 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 04:50:03,792 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-14 04:50:03,793 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-14 04:50:03,819 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-14 04:50:03,819 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-14 04:50:03,822 INFO L87 Difference]: Start difference. First operand has 56 states, 34 states have (on average 1.3529411764705883) internal successors, (46), 35 states have internal predecessors, (46), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) Second operand has 2 states, 2 states have (on average 16.0) internal successors, (32), 2 states have internal predecessors, (32), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-14 04:50:03,865 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 04:50:03,866 INFO L93 Difference]: Finished difference Result 105 states and 181 transitions. [2024-11-14 04:50:03,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-14 04:50:03,870 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 16.0) internal successors, (32), 2 states have internal predecessors, (32), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 120 [2024-11-14 04:50:03,870 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 04:50:03,879 INFO L225 Difference]: With dead ends: 105 [2024-11-14 04:50:03,880 INFO L226 Difference]: Without dead ends: 52 [2024-11-14 04:50:03,885 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 119 GetRequests, 119 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-14 04:50:03,889 INFO L432 NwaCegarLoop]: 77 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, 77 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-14 04:50:03,890 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 77 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-14 04:50:03,906 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2024-11-14 04:50:03,936 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 52. [2024-11-14 04:50:03,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52 states, 31 states have (on average 1.2580645161290323) internal successors, (39), 31 states have internal predecessors, (39), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-11-14 04:50:03,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 77 transitions. [2024-11-14 04:50:03,947 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 77 transitions. Word has length 120 [2024-11-14 04:50:03,949 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 04:50:03,949 INFO L471 AbstractCegarLoop]: Abstraction has 52 states and 77 transitions. [2024-11-14 04:50:03,950 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 16.0) internal successors, (32), 2 states have internal predecessors, (32), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-14 04:50:03,950 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 77 transitions. [2024-11-14 04:50:03,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2024-11-14 04:50:03,957 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:50:03,958 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 04:50:03,972 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d1af22-ed38-4d37-92bd-7180e9d9138c/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 04:50:04,162 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d1af22-ed38-4d37-92bd-7180e9d9138c/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 04:50:04,162 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 04:50:04,163 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:50:04,163 INFO L85 PathProgramCache]: Analyzing trace with hash 686998838, now seen corresponding path program 1 times [2024-11-14 04:50:04,164 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 04:50:04,165 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [659634764] [2024-11-14 04:50:04,165 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:50:04,165 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 04:50:04,167 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d1af22-ed38-4d37-92bd-7180e9d9138c/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 04:50:04,170 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d1af22-ed38-4d37-92bd-7180e9d9138c/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 04:50:04,172 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d1af22-ed38-4d37-92bd-7180e9d9138c/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 04:50:04,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:50:04,820 INFO L255 TraceCheckSpWp]: Trace formula consists of 195 conjuncts, 29 conjuncts are in the unsatisfiable core [2024-11-14 04:50:04,844 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 04:50:31,308 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 498 proven. 117 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2024-11-14 04:50:31,309 INFO L311 TraceCheckSpWp]: Computing backward predicates...