./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-24.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_2ed2ab1f-69cd-49a0-bb97-f02307e201af/bin/utaipan-verify-sOmjnqqW8E/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ed2ab1f-69cd-49a0-bb97-f02307e201af/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_2ed2ab1f-69cd-49a0-bb97-f02307e201af/bin/utaipan-verify-sOmjnqqW8E/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ed2ab1f-69cd-49a0-bb97-f02307e201af/bin/utaipan-verify-sOmjnqqW8E/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-24.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ed2ab1f-69cd-49a0-bb97-f02307e201af/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_2ed2ab1f-69cd-49a0-bb97-f02307e201af/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 447182ecab2cb81f136f8d3e464aa37548e99d63e7519fb3668d96b6ba17db38 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-14 05:32:00,899 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-14 05:32:01,004 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ed2ab1f-69cd-49a0-bb97-f02307e201af/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Reach-32bit-Taipan_Default.epf [2024-11-14 05:32:01,011 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-14 05:32:01,011 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-14 05:32:01,041 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-14 05:32:01,042 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-14 05:32:01,042 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-14 05:32:01,043 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-14 05:32:01,043 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-14 05:32:01,043 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-14 05:32:01,043 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-14 05:32:01,044 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-14 05:32:01,044 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-14 05:32:01,044 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-14 05:32:01,044 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-14 05:32:01,044 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-14 05:32:01,044 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-14 05:32:01,044 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-14 05:32:01,045 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-14 05:32:01,045 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-14 05:32:01,045 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-14 05:32:01,045 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-14 05:32:01,045 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-14 05:32:01,046 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-14 05:32:01,046 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-14 05:32:01,046 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-14 05:32:01,046 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-14 05:32:01,046 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-14 05:32:01,046 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-14 05:32:01,046 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-14 05:32:01,047 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-14 05:32:01,047 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-14 05:32:01,047 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-14 05:32:01,047 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-14 05:32:01,047 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-14 05:32:01,047 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-14 05:32:01,048 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-14 05:32:01,048 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 05:32:01,048 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-14 05:32:01,048 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-14 05:32:01,048 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-14 05:32:01,048 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-14 05:32:01,048 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-14 05:32:01,049 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-14 05:32:01,053 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-14 05:32:01,053 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-14 05:32:01,053 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_2ed2ab1f-69cd-49a0-bb97-f02307e201af/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 -> 447182ecab2cb81f136f8d3e464aa37548e99d63e7519fb3668d96b6ba17db38 [2024-11-14 05:32:01,445 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-14 05:32:01,464 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-14 05:32:01,469 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-14 05:32:01,471 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-14 05:32:01,473 INFO L274 PluginConnector]: CDTParser initialized [2024-11-14 05:32:01,474 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ed2ab1f-69cd-49a0-bb97-f02307e201af/bin/utaipan-verify-sOmjnqqW8E/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-24.i Unable to find full path for "g++" [2024-11-14 05:32:03,671 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-14 05:32:04,077 INFO L384 CDTParser]: Found 1 translation units. [2024-11-14 05:32:04,080 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ed2ab1f-69cd-49a0-bb97-f02307e201af/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-24.i [2024-11-14 05:32:04,093 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ed2ab1f-69cd-49a0-bb97-f02307e201af/bin/utaipan-verify-sOmjnqqW8E/data/93f5e838b/1cd1ac1ed3af46af897447dc115a509c/FLAGe39110095 [2024-11-14 05:32:04,121 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ed2ab1f-69cd-49a0-bb97-f02307e201af/bin/utaipan-verify-sOmjnqqW8E/data/93f5e838b/1cd1ac1ed3af46af897447dc115a509c [2024-11-14 05:32:04,126 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-14 05:32:04,128 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-14 05:32:04,131 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-14 05:32:04,131 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-14 05:32:04,140 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-14 05:32:04,141 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 05:32:04" (1/1) ... [2024-11-14 05:32:04,145 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5fd74c35 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:32:04, skipping insertion in model container [2024-11-14 05:32:04,147 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 05:32:04" (1/1) ... [2024-11-14 05:32:04,175 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-14 05:32:04,391 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_2ed2ab1f-69cd-49a0-bb97-f02307e201af/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-24.i[915,928] [2024-11-14 05:32:04,505 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 05:32:04,521 INFO L200 MainTranslator]: Completed pre-run [2024-11-14 05:32:04,537 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_2ed2ab1f-69cd-49a0-bb97-f02307e201af/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-24.i[915,928] [2024-11-14 05:32:04,592 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 05:32:04,618 INFO L204 MainTranslator]: Completed translation [2024-11-14 05:32:04,619 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:32:04 WrapperNode [2024-11-14 05:32:04,620 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-14 05:32:04,621 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-14 05:32:04,621 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-14 05:32:04,622 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-14 05:32:04,632 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:32:04" (1/1) ... [2024-11-14 05:32:04,644 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:32:04" (1/1) ... [2024-11-14 05:32:04,681 INFO L138 Inliner]: procedures = 26, calls = 33, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 173 [2024-11-14 05:32:04,681 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-14 05:32:04,682 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-14 05:32:04,682 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-14 05:32:04,682 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-14 05:32:04,695 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:32:04" (1/1) ... [2024-11-14 05:32:04,695 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:32:04" (1/1) ... [2024-11-14 05:32:04,698 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:32:04" (1/1) ... [2024-11-14 05:32:04,698 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:32:04" (1/1) ... [2024-11-14 05:32:04,705 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:32:04" (1/1) ... [2024-11-14 05:32:04,710 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:32:04" (1/1) ... [2024-11-14 05:32:04,712 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:32:04" (1/1) ... [2024-11-14 05:32:04,713 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:32:04" (1/1) ... [2024-11-14 05:32:04,717 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-14 05:32:04,718 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-14 05:32:04,718 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-14 05:32:04,718 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-14 05:32:04,720 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:32:04" (1/1) ... [2024-11-14 05:32:04,727 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 05:32:04,744 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ed2ab1f-69cd-49a0-bb97-f02307e201af/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 05:32:04,772 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ed2ab1f-69cd-49a0-bb97-f02307e201af/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-14 05:32:04,776 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ed2ab1f-69cd-49a0-bb97-f02307e201af/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-14 05:32:04,807 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-14 05:32:04,808 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-14 05:32:04,808 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-14 05:32:04,808 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-14 05:32:04,809 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-14 05:32:04,809 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-14 05:32:04,921 INFO L238 CfgBuilder]: Building ICFG [2024-11-14 05:32:04,924 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-14 05:32:05,394 INFO L? ?]: Removed 15 outVars from TransFormulas that were not future-live. [2024-11-14 05:32:05,394 INFO L287 CfgBuilder]: Performing block encoding [2024-11-14 05:32:05,768 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-14 05:32:05,768 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-14 05:32:05,769 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 05:32:05 BoogieIcfgContainer [2024-11-14 05:32:05,769 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-14 05:32:05,772 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-14 05:32:05,772 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-14 05:32:05,778 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-14 05:32:05,778 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.11 05:32:04" (1/3) ... [2024-11-14 05:32:05,779 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@8b5dca6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 05:32:05, skipping insertion in model container [2024-11-14 05:32:05,779 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:32:04" (2/3) ... [2024-11-14 05:32:05,779 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@8b5dca6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 05:32:05, skipping insertion in model container [2024-11-14 05:32:05,780 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 05:32:05" (3/3) ... [2024-11-14 05:32:05,781 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount50_file-24.i [2024-11-14 05:32:05,801 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-14 05:32:05,802 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_operatoramount_amount50_file-24.i that has 2 procedures, 41 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-14 05:32:05,881 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-14 05:32:05,896 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;@13f40b88, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-14 05:32:05,896 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-14 05:32:05,901 INFO L276 IsEmpty]: Start isEmpty. Operand has 41 states, 18 states have (on average 1.1666666666666667) internal successors, (21), 19 states have internal predecessors, (21), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-14 05:32:05,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2024-11-14 05:32:05,914 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:32:05,915 INFO L215 NwaCegarLoop]: trace histogram [20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:32:05,915 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 05:32:05,921 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:32:05,922 INFO L85 PathProgramCache]: Analyzing trace with hash -1533678661, now seen corresponding path program 1 times [2024-11-14 05:32:05,932 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 05:32:05,933 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [727564482] [2024-11-14 05:32:05,933 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:32:05,934 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 05:32:06,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-14 05:32:06,500 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-14 05:32:06,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-14 05:32:06,944 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2024-11-14 05:32:06,947 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-14 05:32:06,949 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-14 05:32:06,951 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-14 05:32:06,957 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-14 05:32:07,085 INFO L173 ceAbstractionStarter]: Computing trace abstraction results [2024-11-14 05:32:07,093 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.11 05:32:07 BoogieIcfgContainer [2024-11-14 05:32:07,094 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-14 05:32:07,097 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-14 05:32:07,097 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-14 05:32:07,097 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-14 05:32:07,098 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 05:32:05" (3/4) ... [2024-11-14 05:32:07,103 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-14 05:32:07,104 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-14 05:32:07,105 INFO L158 Benchmark]: Toolchain (without parser) took 2977.54ms. Allocated memory is still 167.8MB. Free memory was 126.3MB in the beginning and 60.1MB in the end (delta: 66.2MB). Peak memory consumption was 63.2MB. Max. memory is 16.1GB. [2024-11-14 05:32:07,106 INFO L158 Benchmark]: CDTParser took 1.96ms. Allocated memory is still 167.8MB. Free memory is still 106.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 05:32:07,106 INFO L158 Benchmark]: CACSL2BoogieTranslator took 489.62ms. Allocated memory is still 167.8MB. Free memory was 126.0MB in the beginning and 112.3MB in the end (delta: 13.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-14 05:32:07,107 INFO L158 Benchmark]: Boogie Procedure Inliner took 60.57ms. Allocated memory is still 167.8MB. Free memory was 112.3MB in the beginning and 110.4MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 05:32:07,107 INFO L158 Benchmark]: Boogie Preprocessor took 35.10ms. Allocated memory is still 167.8MB. Free memory was 110.4MB in the beginning and 109.2MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 05:32:07,107 INFO L158 Benchmark]: RCFGBuilder took 1050.93ms. Allocated memory is still 167.8MB. Free memory was 108.9MB in the beginning and 122.5MB in the end (delta: -13.6MB). Peak memory consumption was 54.8MB. Max. memory is 16.1GB. [2024-11-14 05:32:07,111 INFO L158 Benchmark]: TraceAbstraction took 1324.27ms. Allocated memory is still 167.8MB. Free memory was 122.5MB in the beginning and 60.1MB in the end (delta: 62.4MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. [2024-11-14 05:32:07,111 INFO L158 Benchmark]: Witness Printer took 6.99ms. Allocated memory is still 167.8MB. Free memory is still 60.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 05:32:07,113 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.96ms. Allocated memory is still 167.8MB. Free memory is still 106.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 489.62ms. Allocated memory is still 167.8MB. Free memory was 126.0MB in the beginning and 112.3MB in the end (delta: 13.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 60.57ms. Allocated memory is still 167.8MB. Free memory was 112.3MB in the beginning and 110.4MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 35.10ms. Allocated memory is still 167.8MB. Free memory was 110.4MB in the beginning and 109.2MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 1050.93ms. Allocated memory is still 167.8MB. Free memory was 108.9MB in the beginning and 122.5MB in the end (delta: -13.6MB). Peak memory consumption was 54.8MB. Max. memory is 16.1GB. * TraceAbstraction took 1324.27ms. Allocated memory is still 167.8MB. Free memory was 122.5MB in the beginning and 60.1MB in the end (delta: 62.4MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. * Witness Printer took 6.99ms. Allocated memory is still 167.8MB. Free memory is still 60.1MB. 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 someBinaryArithmeticDOUBLEoperation at line 75, overapproximation of bitwiseAnd at line 64, overapproximation of someBinaryDOUBLEComparisonOperation at line 108, overapproximation of someBinaryDOUBLEComparisonOperation at line 110, overapproximation of someBinaryDOUBLEComparisonOperation at line 97, overapproximation of someBinaryDOUBLEComparisonOperation at line 133, overapproximation of someBinaryDOUBLEComparisonOperation at line 95. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] double var_1_1 = 15.8; [L23] double var_1_4 = 10.5; [L24] double var_1_5 = 1.55; [L25] signed char var_1_8 = -10; [L26] signed char var_1_10 = -16; [L27] signed char var_1_11 = -4; [L28] signed char var_1_12 = -16; [L29] double var_1_13 = 128.55; [L30] double var_1_14 = 2.3; [L31] double var_1_15 = 4.8; [L32] unsigned long int var_1_16 = 0; [L33] signed long int var_1_17 = 5; [L34] signed long int var_1_18 = 256; [L35] unsigned long int var_1_19 = 50; [L36] unsigned long int var_1_20 = 1; [L37] signed short int var_1_21 = -50; [L38] unsigned char var_1_23 = 1; [L39] unsigned char var_1_24 = 0; [L40] signed char last_1_var_1_8 = -10; [L41] signed short int last_1_var_1_21 = -50; [L42] unsigned char last_1_var_1_23 = 1; [L137] isInitial = 1 [L138] FCALL initially() [L139] COND TRUE 1 [L140] CALL updateLastVariables() [L128] last_1_var_1_8 = var_1_8 [L129] last_1_var_1_21 = var_1_21 [L130] last_1_var_1_23 = var_1_23 [L140] RET updateLastVariables() [L141] CALL updateVariables() [L94] var_1_4 = __VERIFIER_nondet_double() [L95] CALL assume_abort_if_not((var_1_4 >= 0.0F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 9223372.036854765600e+12F && var_1_4 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-50, last_1_var_1_23=1, last_1_var_1_8=-10, var_1_10=-16, var_1_11=-4, var_1_12=-16, var_1_13=2571/20, var_1_14=23/10, var_1_15=24/5, var_1_16=0, var_1_17=5, var_1_18=256, var_1_19=50, var_1_1=79/5, var_1_20=1, var_1_21=-50, var_1_23=1, var_1_24=0, var_1_5=31/20, var_1_8=-10] [L20] COND FALSE !(!cond) [L95] RET assume_abort_if_not((var_1_4 >= 0.0F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 9223372.036854765600e+12F && var_1_4 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_21=-50, last_1_var_1_23=1, last_1_var_1_8=-10, var_1_10=-16, var_1_11=-4, var_1_12=-16, var_1_13=2571/20, var_1_14=23/10, var_1_15=24/5, var_1_16=0, var_1_17=5, var_1_18=256, var_1_19=50, var_1_1=79/5, var_1_20=1, var_1_21=-50, var_1_23=1, var_1_24=0, var_1_5=31/20, var_1_8=-10] [L96] var_1_5 = __VERIFIER_nondet_double() [L97] CALL assume_abort_if_not((var_1_5 >= -922337.2036854765600e+13F && var_1_5 <= -1.0e-20F) || (var_1_5 <= 9223372.036854765600e+12F && var_1_5 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-50, last_1_var_1_23=1, last_1_var_1_8=-10, var_1_10=-16, var_1_11=-4, var_1_12=-16, var_1_13=2571/20, var_1_14=23/10, var_1_15=24/5, var_1_16=0, var_1_17=5, var_1_18=256, var_1_19=50, var_1_1=79/5, var_1_20=1, var_1_21=-50, var_1_23=1, var_1_24=0, var_1_8=-10] [L20] COND FALSE !(!cond) [L97] RET assume_abort_if_not((var_1_5 >= -922337.2036854765600e+13F && var_1_5 <= -1.0e-20F) || (var_1_5 <= 9223372.036854765600e+12F && var_1_5 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_21=-50, last_1_var_1_23=1, last_1_var_1_8=-10, var_1_10=-16, var_1_11=-4, var_1_12=-16, var_1_13=2571/20, var_1_14=23/10, var_1_15=24/5, var_1_16=0, var_1_17=5, var_1_18=256, var_1_19=50, var_1_1=79/5, var_1_20=1, var_1_21=-50, var_1_23=1, var_1_24=0, var_1_8=-10] [L98] var_1_10 = __VERIFIER_nondet_char() [L99] CALL assume_abort_if_not(var_1_10 >= -63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-50, last_1_var_1_23=1, last_1_var_1_8=-10, var_1_10=63, var_1_11=-4, var_1_12=-16, var_1_13=2571/20, var_1_14=23/10, var_1_15=24/5, var_1_16=0, var_1_17=5, var_1_18=256, var_1_19=50, var_1_1=79/5, var_1_20=1, var_1_21=-50, var_1_23=1, var_1_24=0, var_1_8=-10] [L20] COND FALSE !(!cond) [L99] RET assume_abort_if_not(var_1_10 >= -63) VAL [isInitial=1, last_1_var_1_21=-50, last_1_var_1_23=1, last_1_var_1_8=-10, var_1_10=63, var_1_11=-4, var_1_12=-16, var_1_13=2571/20, var_1_14=23/10, var_1_15=24/5, var_1_16=0, var_1_17=5, var_1_18=256, var_1_19=50, var_1_1=79/5, var_1_20=1, var_1_21=-50, var_1_23=1, var_1_24=0, var_1_8=-10] [L100] CALL assume_abort_if_not(var_1_10 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-50, last_1_var_1_23=1, last_1_var_1_8=-10, var_1_10=63, var_1_11=-4, var_1_12=-16, var_1_13=2571/20, var_1_14=23/10, var_1_15=24/5, var_1_16=0, var_1_17=5, var_1_18=256, var_1_19=50, var_1_1=79/5, var_1_20=1, var_1_21=-50, var_1_23=1, var_1_24=0, var_1_8=-10] [L20] COND FALSE !(!cond) [L100] RET assume_abort_if_not(var_1_10 <= 63) VAL [isInitial=1, last_1_var_1_21=-50, last_1_var_1_23=1, last_1_var_1_8=-10, var_1_10=63, var_1_11=-4, var_1_12=-16, var_1_13=2571/20, var_1_14=23/10, var_1_15=24/5, var_1_16=0, var_1_17=5, var_1_18=256, var_1_19=50, var_1_1=79/5, var_1_20=1, var_1_21=-50, var_1_23=1, var_1_24=0, var_1_8=-10] [L101] var_1_11 = __VERIFIER_nondet_char() [L102] CALL assume_abort_if_not(var_1_11 >= -31) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-50, last_1_var_1_23=1, last_1_var_1_8=-10, var_1_10=63, var_1_11=8, var_1_12=-16, var_1_13=2571/20, var_1_14=23/10, var_1_15=24/5, var_1_16=0, var_1_17=5, var_1_18=256, var_1_19=50, var_1_1=79/5, var_1_20=1, var_1_21=-50, var_1_23=1, var_1_24=0, var_1_8=-10] [L20] COND FALSE !(!cond) [L102] RET assume_abort_if_not(var_1_11 >= -31) VAL [isInitial=1, last_1_var_1_21=-50, last_1_var_1_23=1, last_1_var_1_8=-10, var_1_10=63, var_1_11=8, var_1_12=-16, var_1_13=2571/20, var_1_14=23/10, var_1_15=24/5, var_1_16=0, var_1_17=5, var_1_18=256, var_1_19=50, var_1_1=79/5, var_1_20=1, var_1_21=-50, var_1_23=1, var_1_24=0, var_1_8=-10] [L103] CALL assume_abort_if_not(var_1_11 <= 32) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-50, last_1_var_1_23=1, last_1_var_1_8=-10, var_1_10=63, var_1_11=8, var_1_12=-16, var_1_13=2571/20, var_1_14=23/10, var_1_15=24/5, var_1_16=0, var_1_17=5, var_1_18=256, var_1_19=50, var_1_1=79/5, var_1_20=1, var_1_21=-50, var_1_23=1, var_1_24=0, var_1_8=-10] [L20] COND FALSE !(!cond) [L103] RET assume_abort_if_not(var_1_11 <= 32) VAL [isInitial=1, last_1_var_1_21=-50, last_1_var_1_23=1, last_1_var_1_8=-10, var_1_10=63, var_1_11=8, var_1_12=-16, var_1_13=2571/20, var_1_14=23/10, var_1_15=24/5, var_1_16=0, var_1_17=5, var_1_18=256, var_1_19=50, var_1_1=79/5, var_1_20=1, var_1_21=-50, var_1_23=1, var_1_24=0, var_1_8=-10] [L104] var_1_12 = __VERIFIER_nondet_char() [L105] CALL assume_abort_if_not(var_1_12 >= -31) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-50, last_1_var_1_23=1, last_1_var_1_8=-10, var_1_10=63, var_1_11=8, var_1_12=1, var_1_13=2571/20, var_1_14=23/10, var_1_15=24/5, var_1_16=0, var_1_17=5, var_1_18=256, var_1_19=50, var_1_1=79/5, var_1_20=1, var_1_21=-50, var_1_23=1, var_1_24=0, var_1_8=-10] [L20] COND FALSE !(!cond) [L105] RET assume_abort_if_not(var_1_12 >= -31) VAL [isInitial=1, last_1_var_1_21=-50, last_1_var_1_23=1, last_1_var_1_8=-10, var_1_10=63, var_1_11=8, var_1_12=1, var_1_13=2571/20, var_1_14=23/10, var_1_15=24/5, var_1_16=0, var_1_17=5, var_1_18=256, var_1_19=50, var_1_1=79/5, var_1_20=1, var_1_21=-50, var_1_23=1, var_1_24=0, var_1_8=-10] [L106] CALL assume_abort_if_not(var_1_12 <= 31) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-50, last_1_var_1_23=1, last_1_var_1_8=-10, var_1_10=63, var_1_11=8, var_1_12=1, var_1_13=2571/20, var_1_14=23/10, var_1_15=24/5, var_1_16=0, var_1_17=5, var_1_18=256, var_1_19=50, var_1_1=79/5, var_1_20=1, var_1_21=-50, var_1_23=1, var_1_24=0, var_1_8=-10] [L20] COND FALSE !(!cond) [L106] RET assume_abort_if_not(var_1_12 <= 31) VAL [isInitial=1, last_1_var_1_21=-50, last_1_var_1_23=1, last_1_var_1_8=-10, var_1_10=63, var_1_11=8, var_1_12=1, var_1_13=2571/20, var_1_14=23/10, var_1_15=24/5, var_1_16=0, var_1_17=5, var_1_18=256, var_1_19=50, var_1_1=79/5, var_1_20=1, var_1_21=-50, var_1_23=1, var_1_24=0, var_1_8=-10] [L107] var_1_14 = __VERIFIER_nondet_double() [L108] CALL assume_abort_if_not((var_1_14 >= 0.0F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 4611686.018427382800e+12F && var_1_14 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-50, last_1_var_1_23=1, last_1_var_1_8=-10, var_1_10=63, var_1_11=8, var_1_12=1, var_1_13=2571/20, var_1_15=24/5, var_1_16=0, var_1_17=5, var_1_18=256, var_1_19=50, var_1_1=79/5, var_1_20=1, var_1_21=-50, var_1_23=1, var_1_24=0, var_1_8=-10] [L20] COND FALSE !(!cond) [L108] RET assume_abort_if_not((var_1_14 >= 0.0F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 4611686.018427382800e+12F && var_1_14 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_21=-50, last_1_var_1_23=1, last_1_var_1_8=-10, var_1_10=63, var_1_11=8, var_1_12=1, var_1_13=2571/20, var_1_15=24/5, var_1_16=0, var_1_17=5, var_1_18=256, var_1_19=50, var_1_1=79/5, var_1_20=1, var_1_21=-50, var_1_23=1, var_1_24=0, var_1_8=-10] [L109] var_1_15 = __VERIFIER_nondet_double() [L110] CALL assume_abort_if_not((var_1_15 >= 0.0F && var_1_15 <= -1.0e-20F) || (var_1_15 <= 4611686.018427382800e+12F && var_1_15 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-50, last_1_var_1_23=1, last_1_var_1_8=-10, var_1_10=63, var_1_11=8, var_1_12=1, var_1_13=2571/20, var_1_16=0, var_1_17=5, var_1_18=256, var_1_19=50, var_1_1=79/5, var_1_20=1, var_1_21=-50, var_1_23=1, var_1_24=0, var_1_8=-10] [L20] COND FALSE !(!cond) [L110] RET assume_abort_if_not((var_1_15 >= 0.0F && var_1_15 <= -1.0e-20F) || (var_1_15 <= 4611686.018427382800e+12F && var_1_15 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_21=-50, last_1_var_1_23=1, last_1_var_1_8=-10, var_1_10=63, var_1_11=8, var_1_12=1, var_1_13=2571/20, var_1_16=0, var_1_17=5, var_1_18=256, var_1_19=50, var_1_1=79/5, var_1_20=1, var_1_21=-50, var_1_23=1, var_1_24=0, var_1_8=-10] [L111] var_1_17 = __VERIFIER_nondet_long() [L112] CALL assume_abort_if_not(var_1_17 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-50, last_1_var_1_23=1, last_1_var_1_8=-10, var_1_10=63, var_1_11=8, var_1_12=1, var_1_13=2571/20, var_1_16=0, var_1_17=0, var_1_18=256, var_1_19=50, var_1_1=79/5, var_1_20=1, var_1_21=-50, var_1_23=1, var_1_24=0, var_1_8=-10] [L20] COND FALSE !(!cond) [L112] RET assume_abort_if_not(var_1_17 >= 0) VAL [isInitial=1, last_1_var_1_21=-50, last_1_var_1_23=1, last_1_var_1_8=-10, var_1_10=63, var_1_11=8, var_1_12=1, var_1_13=2571/20, var_1_16=0, var_1_17=0, var_1_18=256, var_1_19=50, var_1_1=79/5, var_1_20=1, var_1_21=-50, var_1_23=1, var_1_24=0, var_1_8=-10] [L113] CALL assume_abort_if_not(var_1_17 <= 1073741824) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-50, last_1_var_1_23=1, last_1_var_1_8=-10, var_1_10=63, var_1_11=8, var_1_12=1, var_1_13=2571/20, var_1_16=0, var_1_17=0, var_1_18=256, var_1_19=50, var_1_1=79/5, var_1_20=1, var_1_21=-50, var_1_23=1, var_1_24=0, var_1_8=-10] [L20] COND FALSE !(!cond) [L113] RET assume_abort_if_not(var_1_17 <= 1073741824) VAL [isInitial=1, last_1_var_1_21=-50, last_1_var_1_23=1, last_1_var_1_8=-10, var_1_10=63, var_1_11=8, var_1_12=1, var_1_13=2571/20, var_1_16=0, var_1_17=0, var_1_18=256, var_1_19=50, var_1_1=79/5, var_1_20=1, var_1_21=-50, var_1_23=1, var_1_24=0, var_1_8=-10] [L114] var_1_18 = __VERIFIER_nondet_long() [L115] CALL assume_abort_if_not(var_1_18 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-50, last_1_var_1_23=1, last_1_var_1_8=-10, var_1_10=63, var_1_11=8, var_1_12=1, var_1_13=2571/20, var_1_16=0, var_1_17=0, var_1_18=0, var_1_19=50, var_1_1=79/5, var_1_20=1, var_1_21=-50, var_1_23=1, var_1_24=0, var_1_8=-10] [L20] COND FALSE !(!cond) [L115] RET assume_abort_if_not(var_1_18 >= 0) VAL [isInitial=1, last_1_var_1_21=-50, last_1_var_1_23=1, last_1_var_1_8=-10, var_1_10=63, var_1_11=8, var_1_12=1, var_1_13=2571/20, var_1_16=0, var_1_17=0, var_1_18=0, var_1_19=50, var_1_1=79/5, var_1_20=1, var_1_21=-50, var_1_23=1, var_1_24=0, var_1_8=-10] [L116] CALL assume_abort_if_not(var_1_18 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-50, last_1_var_1_23=1, last_1_var_1_8=-10, var_1_10=63, var_1_11=8, var_1_12=1, var_1_13=2571/20, var_1_16=0, var_1_17=0, var_1_18=0, var_1_19=50, var_1_1=79/5, var_1_20=1, var_1_21=-50, var_1_23=1, var_1_24=0, var_1_8=-10] [L20] COND FALSE !(!cond) [L116] RET assume_abort_if_not(var_1_18 <= 2147483647) VAL [isInitial=1, last_1_var_1_21=-50, last_1_var_1_23=1, last_1_var_1_8=-10, var_1_10=63, var_1_11=8, var_1_12=1, var_1_13=2571/20, var_1_16=0, var_1_17=0, var_1_18=0, var_1_19=50, var_1_1=79/5, var_1_20=1, var_1_21=-50, var_1_23=1, var_1_24=0, var_1_8=-10] [L117] var_1_19 = __VERIFIER_nondet_ulong() [L118] CALL assume_abort_if_not(var_1_19 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-50, last_1_var_1_23=1, last_1_var_1_8=-10, var_1_10=63, var_1_11=8, var_1_12=1, var_1_13=2571/20, var_1_16=0, var_1_17=0, var_1_18=0, var_1_1=79/5, var_1_20=1, var_1_21=-50, var_1_23=1, var_1_24=0, var_1_8=-10] [L20] COND FALSE !(!cond) [L118] RET assume_abort_if_not(var_1_19 >= 0) VAL [isInitial=1, last_1_var_1_21=-50, last_1_var_1_23=1, last_1_var_1_8=-10, var_1_10=63, var_1_11=8, var_1_12=1, var_1_13=2571/20, var_1_16=0, var_1_17=0, var_1_18=0, var_1_1=79/5, var_1_20=1, var_1_21=-50, var_1_23=1, var_1_24=0, var_1_8=-10] [L119] CALL assume_abort_if_not(var_1_19 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-50, last_1_var_1_23=1, last_1_var_1_8=-10, var_1_10=63, var_1_11=8, var_1_12=1, var_1_13=2571/20, var_1_16=0, var_1_17=0, var_1_18=0, var_1_19=0, var_1_1=79/5, var_1_20=1, var_1_21=-50, var_1_23=1, var_1_24=0, var_1_8=-10] [L20] COND FALSE !(!cond) [L119] RET assume_abort_if_not(var_1_19 <= 2147483647) VAL [isInitial=1, last_1_var_1_21=-50, last_1_var_1_23=1, last_1_var_1_8=-10, var_1_10=63, var_1_11=8, var_1_12=1, var_1_13=2571/20, var_1_16=0, var_1_17=0, var_1_18=0, var_1_19=0, var_1_1=79/5, var_1_20=1, var_1_21=-50, var_1_23=1, var_1_24=0, var_1_8=-10] [L120] var_1_20 = __VERIFIER_nondet_ulong() [L121] CALL assume_abort_if_not(var_1_20 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-50, last_1_var_1_23=1, last_1_var_1_8=-10, var_1_10=63, var_1_11=8, var_1_12=1, var_1_13=2571/20, var_1_16=0, var_1_17=0, var_1_18=0, var_1_19=0, var_1_1=79/5, var_1_21=-50, var_1_23=1, var_1_24=0, var_1_8=-10] [L20] COND FALSE !(!cond) [L121] RET assume_abort_if_not(var_1_20 >= 0) VAL [isInitial=1, last_1_var_1_21=-50, last_1_var_1_23=1, last_1_var_1_8=-10, var_1_10=63, var_1_11=8, var_1_12=1, var_1_13=2571/20, var_1_16=0, var_1_17=0, var_1_18=0, var_1_19=0, var_1_1=79/5, var_1_21=-50, var_1_23=1, var_1_24=0, var_1_8=-10] [L122] CALL assume_abort_if_not(var_1_20 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-50, last_1_var_1_23=1, last_1_var_1_8=-10, var_1_10=63, var_1_11=8, var_1_12=1, var_1_13=2571/20, var_1_16=0, var_1_17=0, var_1_18=0, var_1_19=0, var_1_1=79/5, var_1_20=-4294967296, var_1_21=-50, var_1_23=1, var_1_24=0, var_1_8=-10] [L20] COND FALSE !(!cond) [L122] RET assume_abort_if_not(var_1_20 <= 2147483647) VAL [isInitial=1, last_1_var_1_21=-50, last_1_var_1_23=1, last_1_var_1_8=-10, var_1_10=63, var_1_11=8, var_1_12=1, var_1_13=2571/20, var_1_16=0, var_1_17=0, var_1_18=0, var_1_19=0, var_1_1=79/5, var_1_20=-4294967296, var_1_21=-50, var_1_23=1, var_1_24=0, var_1_8=-10] [L123] var_1_24 = __VERIFIER_nondet_uchar() [L124] CALL assume_abort_if_not(var_1_24 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-50, last_1_var_1_23=1, last_1_var_1_8=-10, var_1_10=63, var_1_11=8, var_1_12=1, var_1_13=2571/20, var_1_16=0, var_1_17=0, var_1_18=0, var_1_19=0, var_1_1=79/5, var_1_20=-4294967296, var_1_21=-50, var_1_23=1, var_1_8=-10] [L20] COND FALSE !(!cond) [L124] RET assume_abort_if_not(var_1_24 >= 0) VAL [isInitial=1, last_1_var_1_21=-50, last_1_var_1_23=1, last_1_var_1_8=-10, var_1_10=63, var_1_11=8, var_1_12=1, var_1_13=2571/20, var_1_16=0, var_1_17=0, var_1_18=0, var_1_19=0, var_1_1=79/5, var_1_20=-4294967296, var_1_21=-50, var_1_23=1, var_1_8=-10] [L125] CALL assume_abort_if_not(var_1_24 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-50, last_1_var_1_23=1, last_1_var_1_8=-10, var_1_10=63, var_1_11=8, var_1_12=1, var_1_13=2571/20, var_1_16=0, var_1_17=0, var_1_18=0, var_1_19=0, var_1_1=79/5, var_1_20=-4294967296, var_1_21=-50, var_1_23=1, var_1_24=0, var_1_8=-10] [L20] COND FALSE !(!cond) [L125] RET assume_abort_if_not(var_1_24 <= 0) VAL [isInitial=1, last_1_var_1_21=-50, last_1_var_1_23=1, last_1_var_1_8=-10, var_1_10=63, var_1_11=8, var_1_12=1, var_1_13=2571/20, var_1_16=0, var_1_17=0, var_1_18=0, var_1_19=0, var_1_1=79/5, var_1_20=-4294967296, var_1_21=-50, var_1_23=1, var_1_24=0, var_1_8=-10] [L141] RET updateVariables() [L142] CALL step() [L46] COND TRUE last_1_var_1_21 <= ((((last_1_var_1_21) < (last_1_var_1_8)) ? (last_1_var_1_21) : (last_1_var_1_8))) [L47] COND TRUE \read(last_1_var_1_23) [L48] var_1_8 = (-16 + ((((var_1_10) < ((var_1_11 + var_1_12))) ? (var_1_10) : ((var_1_11 + var_1_12))))) [L53] var_1_23 = var_1_24 [L54] COND FALSE !(var_1_8 >= ((1329162249 - var_1_17) - var_1_18)) [L57] COND FALSE !(\read(var_1_23)) [L60] var_1_16 = var_1_19 [L63] COND TRUE ((((var_1_12) < (var_1_18)) ? (var_1_12) : (var_1_18))) <= (var_1_11 + var_1_8) [L64] EXPR var_1_18 & var_1_16 [L64] COND TRUE var_1_11 >= (var_1_18 & var_1_16) [L65] var_1_21 = 8 [L72] unsigned char stepLocal_1 = var_1_23; [L73] signed char stepLocal_0 = var_1_8; [L74] COND TRUE stepLocal_0 >= var_1_16 [L75] var_1_1 = (var_1_4 - ((((var_1_5) < 0 ) ? -(var_1_5) : (var_1_5)))) [L81] COND FALSE !(128u >= var_1_8) [L88] COND FALSE !(\read(var_1_23)) [L142] RET step() [L143] CALL, EXPR property() [L133] EXPR (((((var_1_8 >= var_1_16) ? (var_1_1 == ((double) (var_1_4 - ((((var_1_5) < 0 ) ? -(var_1_5) : (var_1_5)))))) : ((var_1_23 || var_1_23) ? (var_1_1 == ((double) 128.75)) : 1)) && ((last_1_var_1_21 <= ((((last_1_var_1_21) < (last_1_var_1_8)) ? (last_1_var_1_21) : (last_1_var_1_8)))) ? (last_1_var_1_23 ? (var_1_8 == ((signed char) (-16 + ((((var_1_10) < ((var_1_11 + var_1_12))) ? (var_1_10) : ((var_1_11 + var_1_12))))))) : 1) : (var_1_8 == ((signed char) var_1_12)))) && ((128u >= var_1_8) ? ((! var_1_23) ? (var_1_13 == ((double) ((var_1_14 - var_1_15) + 0.25))) : (var_1_13 == ((double) var_1_14))) : (var_1_23 ? (var_1_13 == ((double) var_1_5)) : 1))) && ((var_1_8 >= ((1329162249 - var_1_17) - var_1_18)) ? (var_1_16 == ((unsigned long int) (((((((((var_1_17) > (var_1_18)) ? (var_1_17) : (var_1_18)))) < (var_1_19)) ? (((((var_1_17) > (var_1_18)) ? (var_1_17) : (var_1_18)))) : (var_1_19))) + var_1_20))) : (var_1_23 ? (var_1_16 == ((unsigned long int) var_1_18)) : (var_1_16 == ((unsigned long int) var_1_19))))) && ((((((var_1_12) < (var_1_18)) ? (var_1_12) : (var_1_18))) <= (var_1_11 + var_1_8)) ? ((var_1_11 >= (var_1_18 & var_1_16)) ? (var_1_21 == ((signed short int) 8)) : ((var_1_19 < var_1_8) ? (var_1_21 == ((signed short int) 64)) : 1)) : 1) [L133-L134] return ((((((var_1_8 >= var_1_16) ? (var_1_1 == ((double) (var_1_4 - ((((var_1_5) < 0 ) ? -(var_1_5) : (var_1_5)))))) : ((var_1_23 || var_1_23) ? (var_1_1 == ((double) 128.75)) : 1)) && ((last_1_var_1_21 <= ((((last_1_var_1_21) < (last_1_var_1_8)) ? (last_1_var_1_21) : (last_1_var_1_8)))) ? (last_1_var_1_23 ? (var_1_8 == ((signed char) (-16 + ((((var_1_10) < ((var_1_11 + var_1_12))) ? (var_1_10) : ((var_1_11 + var_1_12))))))) : 1) : (var_1_8 == ((signed char) var_1_12)))) && ((128u >= var_1_8) ? ((! var_1_23) ? (var_1_13 == ((double) ((var_1_14 - var_1_15) + 0.25))) : (var_1_13 == ((double) var_1_14))) : (var_1_23 ? (var_1_13 == ((double) var_1_5)) : 1))) && ((var_1_8 >= ((1329162249 - var_1_17) - var_1_18)) ? (var_1_16 == ((unsigned long int) (((((((((var_1_17) > (var_1_18)) ? (var_1_17) : (var_1_18)))) < (var_1_19)) ? (((((var_1_17) > (var_1_18)) ? (var_1_17) : (var_1_18)))) : (var_1_19))) + var_1_20))) : (var_1_23 ? (var_1_16 == ((unsigned long int) var_1_18)) : (var_1_16 == ((unsigned long int) var_1_19))))) && ((((((var_1_12) < (var_1_18)) ? (var_1_12) : (var_1_18))) <= (var_1_11 + var_1_8)) ? ((var_1_11 >= (var_1_18 & var_1_16)) ? (var_1_21 == ((signed short int) 8)) : ((var_1_19 < var_1_8) ? (var_1_21 == ((signed short int) 64)) : 1)) : 1)) && (var_1_23 == ((unsigned char) var_1_24)) ; [L143] RET, EXPR property() [L143] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, last_1_var_1_21=-50, last_1_var_1_23=1, last_1_var_1_8=-10, var_1_10=63, var_1_11=8, var_1_12=1, var_1_13=2571/20, var_1_14=2571/20, var_1_16=0, var_1_17=0, var_1_18=0, var_1_19=0, var_1_1=79/5, var_1_20=-4294967296, var_1_21=8, var_1_23=0, var_1_24=0, var_1_5=2571/20, var_1_8=-7] [L19] reach_error() VAL [isInitial=1, last_1_var_1_21=-50, last_1_var_1_23=1, last_1_var_1_8=-10, var_1_10=63, var_1_11=8, var_1_12=1, var_1_13=2571/20, var_1_14=2571/20, var_1_16=0, var_1_17=0, var_1_18=0, var_1_19=0, var_1_1=79/5, var_1_20=-4294967296, var_1_21=8, var_1_23=0, var_1_24=0, var_1_5=2571/20, var_1_8=-7] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 41 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.1s, OverallIterations: 1, TraceHistogramMax: 20, 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=41occurred 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, 0.4s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 76 NumberOfCodeBlocks, 76 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 05:32:07,159 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ed2ab1f-69cd-49a0-bb97-f02307e201af/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_2ed2ab1f-69cd-49a0-bb97-f02307e201af/bin/utaipan-verify-sOmjnqqW8E/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ed2ab1f-69cd-49a0-bb97-f02307e201af/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_2ed2ab1f-69cd-49a0-bb97-f02307e201af/bin/utaipan-verify-sOmjnqqW8E/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ed2ab1f-69cd-49a0-bb97-f02307e201af/bin/utaipan-verify-sOmjnqqW8E/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-24.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ed2ab1f-69cd-49a0-bb97-f02307e201af/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_2ed2ab1f-69cd-49a0-bb97-f02307e201af/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 447182ecab2cb81f136f8d3e464aa37548e99d63e7519fb3668d96b6ba17db38 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-14 05:32:10,462 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-14 05:32:10,630 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ed2ab1f-69cd-49a0-bb97-f02307e201af/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2024-11-14 05:32:10,640 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-14 05:32:10,641 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-14 05:32:10,688 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-14 05:32:10,688 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-14 05:32:10,689 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-14 05:32:10,689 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-14 05:32:10,689 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-14 05:32:10,689 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-14 05:32:10,690 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-14 05:32:10,691 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-14 05:32:10,692 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-14 05:32:10,693 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-14 05:32:10,693 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-14 05:32:10,694 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-14 05:32:10,694 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-14 05:32:10,695 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-14 05:32:10,695 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-14 05:32:10,695 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-14 05:32:10,695 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-14 05:32:10,695 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-14 05:32:10,695 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-14 05:32:10,695 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-14 05:32:10,695 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-14 05:32:10,696 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-14 05:32:10,696 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-14 05:32:10,696 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-14 05:32:10,696 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-14 05:32:10,696 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-14 05:32:10,696 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-14 05:32:10,696 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-14 05:32:10,696 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-14 05:32:10,697 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-14 05:32:10,697 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 05:32:10,697 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-14 05:32:10,697 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-14 05:32:10,698 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-14 05:32:10,698 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-14 05:32:10,698 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-14 05:32:10,698 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-14 05:32:10,698 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-14 05:32:10,698 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_2ed2ab1f-69cd-49a0-bb97-f02307e201af/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 -> 447182ecab2cb81f136f8d3e464aa37548e99d63e7519fb3668d96b6ba17db38 [2024-11-14 05:32:11,088 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-14 05:32:11,099 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-14 05:32:11,102 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-14 05:32:11,104 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-14 05:32:11,105 INFO L274 PluginConnector]: CDTParser initialized [2024-11-14 05:32:11,106 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ed2ab1f-69cd-49a0-bb97-f02307e201af/bin/utaipan-verify-sOmjnqqW8E/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-24.i Unable to find full path for "g++" [2024-11-14 05:32:13,618 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-14 05:32:13,966 INFO L384 CDTParser]: Found 1 translation units. [2024-11-14 05:32:13,970 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ed2ab1f-69cd-49a0-bb97-f02307e201af/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-24.i [2024-11-14 05:32:13,982 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ed2ab1f-69cd-49a0-bb97-f02307e201af/bin/utaipan-verify-sOmjnqqW8E/data/4cd78ff14/b3ac570e1a20420d9960ae6363dabb0b/FLAGb3544dee6 [2024-11-14 05:32:14,009 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ed2ab1f-69cd-49a0-bb97-f02307e201af/bin/utaipan-verify-sOmjnqqW8E/data/4cd78ff14/b3ac570e1a20420d9960ae6363dabb0b [2024-11-14 05:32:14,013 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-14 05:32:14,016 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-14 05:32:14,019 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-14 05:32:14,019 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-14 05:32:14,024 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-14 05:32:14,026 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 05:32:14" (1/1) ... [2024-11-14 05:32:14,029 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6f3739fa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:32:14, skipping insertion in model container [2024-11-14 05:32:14,029 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 05:32:14" (1/1) ... [2024-11-14 05:32:14,064 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-14 05:32:14,278 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_2ed2ab1f-69cd-49a0-bb97-f02307e201af/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-24.i[915,928] [2024-11-14 05:32:14,387 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 05:32:14,418 INFO L200 MainTranslator]: Completed pre-run [2024-11-14 05:32:14,439 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_2ed2ab1f-69cd-49a0-bb97-f02307e201af/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-24.i[915,928] [2024-11-14 05:32:14,493 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 05:32:14,517 INFO L204 MainTranslator]: Completed translation [2024-11-14 05:32:14,518 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:32:14 WrapperNode [2024-11-14 05:32:14,518 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-14 05:32:14,519 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-14 05:32:14,520 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-14 05:32:14,520 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-14 05:32:14,529 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:32:14" (1/1) ... [2024-11-14 05:32:14,550 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:32:14" (1/1) ... [2024-11-14 05:32:14,607 INFO L138 Inliner]: procedures = 27, calls = 33, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 140 [2024-11-14 05:32:14,607 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-14 05:32:14,608 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-14 05:32:14,608 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-14 05:32:14,608 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-14 05:32:14,624 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:32:14" (1/1) ... [2024-11-14 05:32:14,624 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:32:14" (1/1) ... [2024-11-14 05:32:14,631 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:32:14" (1/1) ... [2024-11-14 05:32:14,632 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:32:14" (1/1) ... [2024-11-14 05:32:14,653 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:32:14" (1/1) ... [2024-11-14 05:32:14,661 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:32:14" (1/1) ... [2024-11-14 05:32:14,667 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:32:14" (1/1) ... [2024-11-14 05:32:14,672 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:32:14" (1/1) ... [2024-11-14 05:32:14,683 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-14 05:32:14,684 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-14 05:32:14,684 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-14 05:32:14,684 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-14 05:32:14,686 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:32:14" (1/1) ... [2024-11-14 05:32:14,700 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 05:32:14,722 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ed2ab1f-69cd-49a0-bb97-f02307e201af/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 05:32:14,740 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ed2ab1f-69cd-49a0-bb97-f02307e201af/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-14 05:32:14,749 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ed2ab1f-69cd-49a0-bb97-f02307e201af/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-14 05:32:14,781 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-14 05:32:14,782 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-14 05:32:14,782 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-14 05:32:14,782 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-14 05:32:14,782 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-14 05:32:14,782 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-14 05:32:14,925 INFO L238 CfgBuilder]: Building ICFG [2024-11-14 05:32:14,927 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-14 05:32:17,813 INFO L? ?]: Removed 12 outVars from TransFormulas that were not future-live. [2024-11-14 05:32:17,814 INFO L287 CfgBuilder]: Performing block encoding [2024-11-14 05:32:17,828 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-14 05:32:17,829 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-14 05:32:17,829 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 05:32:17 BoogieIcfgContainer [2024-11-14 05:32:17,830 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-14 05:32:17,833 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-14 05:32:17,833 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-14 05:32:17,840 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-14 05:32:17,840 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.11 05:32:14" (1/3) ... [2024-11-14 05:32:17,841 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a68d15b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 05:32:17, skipping insertion in model container [2024-11-14 05:32:17,841 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:32:14" (2/3) ... [2024-11-14 05:32:17,841 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a68d15b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 05:32:17, skipping insertion in model container [2024-11-14 05:32:17,842 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 05:32:17" (3/3) ... [2024-11-14 05:32:17,843 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount50_file-24.i [2024-11-14 05:32:17,865 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-14 05:32:17,868 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_operatoramount_amount50_file-24.i that has 2 procedures, 65 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-14 05:32:17,976 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-14 05:32:17,992 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;@42cee199, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-14 05:32:17,996 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-14 05:32:18,000 INFO L276 IsEmpty]: Start isEmpty. Operand has 65 states, 42 states have (on average 1.4047619047619047) internal successors, (59), 43 states have internal predecessors, (59), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-14 05:32:18,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2024-11-14 05:32:18,020 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:32:18,022 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:32:18,023 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 05:32:18,029 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:32:18,031 INFO L85 PathProgramCache]: Analyzing trace with hash -1111203970, now seen corresponding path program 1 times [2024-11-14 05:32:18,048 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 05:32:18,049 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1598664347] [2024-11-14 05:32:18,049 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:32:18,050 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 05:32:18,052 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ed2ab1f-69cd-49a0-bb97-f02307e201af/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 05:32:18,056 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ed2ab1f-69cd-49a0-bb97-f02307e201af/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 05:32:18,058 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ed2ab1f-69cd-49a0-bb97-f02307e201af/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 05:32:18,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:32:18,640 INFO L255 TraceCheckSpWp]: Trace formula consists of 212 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-14 05:32:18,652 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 05:32:21,054 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-11-14 05:32:21,055 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-14 05:32:21,059 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-14 05:32:21,059 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1598664347] [2024-11-14 05:32:21,060 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1598664347] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 05:32:21,060 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 05:32:21,060 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-14 05:32:21,062 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [59318804] [2024-11-14 05:32:21,063 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 05:32:21,068 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-14 05:32:21,068 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-14 05:32:21,092 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-14 05:32:21,093 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-14 05:32:21,096 INFO L87 Difference]: Start difference. First operand has 65 states, 42 states have (on average 1.4047619047619047) internal successors, (59), 43 states have internal predecessors, (59), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) Second operand has 4 states, 4 states have (on average 8.0) internal successors, (32), 3 states have internal predecessors, (32), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-14 05:32:23,407 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.77s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 05:32:25,644 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 05:32:25,645 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 05:32:25,646 INFO L93 Difference]: Finished difference Result 199 states and 355 transitions. [2024-11-14 05:32:25,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-14 05:32:25,665 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.0) internal successors, (32), 3 states have internal predecessors, (32), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 129 [2024-11-14 05:32:25,666 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 05:32:25,675 INFO L225 Difference]: With dead ends: 199 [2024-11-14 05:32:25,676 INFO L226 Difference]: Without dead ends: 137 [2024-11-14 05:32:25,680 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 129 GetRequests, 126 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 05:32:25,687 INFO L432 NwaCegarLoop]: 105 mSDtfsCounter, 75 mSDsluCounter, 160 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 42 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 75 SdHoareTripleChecker+Valid, 265 SdHoareTripleChecker+Invalid, 74 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 42 IncrementalHoareTripleChecker+Valid, 31 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.4s IncrementalHoareTripleChecker+Time [2024-11-14 05:32:25,688 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [75 Valid, 265 Invalid, 74 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [42 Valid, 31 Invalid, 1 Unknown, 0 Unchecked, 4.4s Time] [2024-11-14 05:32:25,707 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137 states. [2024-11-14 05:32:25,769 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 116. [2024-11-14 05:32:25,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 116 states, 73 states have (on average 1.3150684931506849) internal successors, (96), 73 states have internal predecessors, (96), 40 states have call successors, (40), 2 states have call predecessors, (40), 2 states have return successors, (40), 40 states have call predecessors, (40), 40 states have call successors, (40) [2024-11-14 05:32:25,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 116 states and 176 transitions. [2024-11-14 05:32:25,781 INFO L78 Accepts]: Start accepts. Automaton has 116 states and 176 transitions. Word has length 129 [2024-11-14 05:32:25,781 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 05:32:25,782 INFO L471 AbstractCegarLoop]: Abstraction has 116 states and 176 transitions. [2024-11-14 05:32:25,782 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.0) internal successors, (32), 3 states have internal predecessors, (32), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-14 05:32:25,782 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 176 transitions. [2024-11-14 05:32:25,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2024-11-14 05:32:25,785 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:32:25,786 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:32:25,797 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ed2ab1f-69cd-49a0-bb97-f02307e201af/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 05:32:25,986 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ed2ab1f-69cd-49a0-bb97-f02307e201af/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 05:32:25,987 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 05:32:25,987 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:32:25,988 INFO L85 PathProgramCache]: Analyzing trace with hash -9856159, now seen corresponding path program 1 times [2024-11-14 05:32:25,988 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 05:32:25,988 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1903211146] [2024-11-14 05:32:25,989 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:32:25,989 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 05:32:25,989 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ed2ab1f-69cd-49a0-bb97-f02307e201af/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 05:32:25,996 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ed2ab1f-69cd-49a0-bb97-f02307e201af/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 05:32:25,998 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ed2ab1f-69cd-49a0-bb97-f02307e201af/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 05:32:26,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:32:26,682 INFO L255 TraceCheckSpWp]: Trace formula consists of 213 conjuncts, 32 conjuncts are in the unsatisfiable core [2024-11-14 05:32:26,694 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 05:34:15,559 WARN L286 SmtUtils]: Spent 31.61s on a formula simplification that was a NOOP. DAG size: 122 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-14 05:36:43,792 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse15 ((_ to_fp 8 24) c_currentRoundingMode (/ 1.0 100000000000000000000.0))) (.cse14 ((_ to_fp 8 24) c_currentRoundingMode 9223372036854765600.0)) (.cse2 ((_ sign_extend 24) c_~var_1_11~0)) (.cse11 ((_ sign_extend 24) c_~var_1_8~0))) (let ((.cse1 ((_ sign_extend 24) c_~var_1_12~0)) (.cse5 ((_ to_fp 11 53) c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode 4611686018427382800.0))) (.cse4 (bvadd .cse2 .cse11)) (.cse12 ((_ to_fp 11 53) c_currentRoundingMode .cse14)) (.cse6 ((_ to_fp 11 53) c_currentRoundingMode .cse15))) (and (let ((.cse3 ((_ sign_extend 24) c_~var_1_10~0))) (let ((.cse0 (bvslt .cse3 (bvadd .cse1 .cse2)))) (or (and (not .cse0) (= ((_ extract 7 0) (bvadd .cse1 (_ bv4294967280 32) .cse2)) c_~var_1_8~0)) (and .cse0 (= c_~var_1_8~0 ((_ extract 7 0) (bvadd (_ bv4294967280 32) .cse3))))))) (= c_~var_1_23~0 c_~var_1_24~0) (not (bvsle .cse1 .cse4)) (= (bvadd (_ bv50 16) c_~var_1_21~0) (_ bv0 16)) (fp.leq c_~var_1_15~0 .cse5) (fp.geq c_~var_1_14~0 .cse6) (let ((.cse9 (bvsgt c_~var_1_17~0 c_~var_1_18~0)) (.cse7 (= c_~var_1_16~0 (bvadd c_~var_1_19~0 c_~var_1_20~0)))) (or (and (let ((.cse8 (bvult c_~var_1_17~0 c_~var_1_19~0))) (or (and .cse7 (not .cse8)) (and (= c_~var_1_16~0 (bvadd c_~var_1_20~0 c_~var_1_17~0)) .cse8))) .cse9) (and (not .cse9) (let ((.cse10 (bvult c_~var_1_18~0 c_~var_1_19~0))) (or (and (= c_~var_1_16~0 (bvadd c_~var_1_20~0 c_~var_1_18~0)) .cse10) (and (not .cse10) .cse7)))))) (fp.geq c_~var_1_15~0 .cse6) (fp.leq c_~var_1_14~0 .cse5) (bvsge .cse11 (bvadd (_ bv1329162249 32) (bvneg c_~var_1_17~0) (bvneg c_~var_1_18~0))) (not (bvsle c_~var_1_18~0 .cse4)) (= (fp.add c_currentRoundingMode (fp.sub c_currentRoundingMode c_~var_1_14~0 c_~var_1_15~0) ((_ to_fp 11 53) c_currentRoundingMode (/ 1.0 4.0))) c_~var_1_13~0) (= (_ bv0 16) (bvadd (_ bv50 16) c_~last_1_var_1_21~0)) (= (_ bv0 8) (bvadd (_ bv10 8) c_~last_1_var_1_8~0)) (fp.leq c_~var_1_4~0 .cse12) (fp.geq c_~var_1_4~0 .cse6) (let ((.cse13 (fp.lt c_~var_1_5~0 ((_ to_fp 11 53) c_currentRoundingMode (_ bv0 32))))) (or (and (not .cse13) (= (fp.sub c_currentRoundingMode c_~var_1_4~0 c_~var_1_5~0) c_~var_1_1~0)) (and .cse13 (= (fp.sub c_currentRoundingMode c_~var_1_4~0 (fp.neg c_~var_1_5~0)) c_~var_1_1~0)))) (or (and (fp.leq c_~var_1_5~0 .cse12) (fp.geq c_~var_1_5~0 .cse6)) (and (fp.geq c_~var_1_5~0 ((_ to_fp 11 53) c_currentRoundingMode (fp.neg .cse14))) (fp.leq c_~var_1_5~0 ((_ to_fp 11 53) c_currentRoundingMode (fp.neg .cse15))))) (bvsle ((_ zero_extend 24) c_~var_1_24~0) (_ bv0 32)) (= c_currentRoundingMode roundNearestTiesToEven)))) is different from false