./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-98.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4fc63b2a Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01372bf6-e757-419e-a6cf-10d77a27811c/bin/utaipan-verify-DbMuA5NWw2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01372bf6-e757-419e-a6cf-10d77a27811c/bin/utaipan-verify-DbMuA5NWw2/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01372bf6-e757-419e-a6cf-10d77a27811c/bin/utaipan-verify-DbMuA5NWw2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01372bf6-e757-419e-a6cf-10d77a27811c/bin/utaipan-verify-DbMuA5NWw2/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-98.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01372bf6-e757-419e-a6cf-10d77a27811c/bin/utaipan-verify-DbMuA5NWw2/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01372bf6-e757-419e-a6cf-10d77a27811c/bin/utaipan-verify-DbMuA5NWw2 --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 2802349e46e266d85129b1d5ad794eecec89b089e4c78c88709459d2378a7a91 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-11-02 12:35:08,666 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-02 12:35:08,762 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01372bf6-e757-419e-a6cf-10d77a27811c/bin/utaipan-verify-DbMuA5NWw2/config/svcomp-Reach-32bit-Taipan_Default.epf [2024-11-02 12:35:08,767 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-02 12:35:08,767 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-02 12:35:08,792 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-02 12:35:08,793 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-02 12:35:08,793 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-02 12:35:08,794 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-02 12:35:08,794 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-02 12:35:08,795 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-02 12:35:08,795 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-02 12:35:08,796 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-02 12:35:08,797 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-02 12:35:08,799 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-02 12:35:08,800 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-02 12:35:08,800 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-02 12:35:08,800 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-02 12:35:08,801 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-02 12:35:08,801 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-02 12:35:08,801 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-02 12:35:08,802 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-02 12:35:08,802 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-02 12:35:08,803 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-02 12:35:08,803 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-02 12:35:08,803 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-02 12:35:08,804 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-02 12:35:08,804 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-02 12:35:08,804 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-02 12:35:08,805 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-02 12:35:08,805 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-02 12:35:08,805 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-02 12:35:08,806 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-02 12:35:08,806 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-02 12:35:08,806 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-02 12:35:08,807 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-02 12:35:08,807 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-02 12:35:08,807 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-02 12:35:08,807 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-02 12:35:08,808 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-02 12:35:08,808 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-02 12:35:08,809 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-02 12:35:08,809 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-02 12:35:08,809 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-02 12:35:08,809 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-02 12:35:08,810 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-02 12:35:08,810 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-02 12:35:08,810 INFO L153 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01372bf6-e757-419e-a6cf-10d77a27811c/bin/utaipan-verify-DbMuA5NWw2/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01372bf6-e757-419e-a6cf-10d77a27811c/bin/utaipan-verify-DbMuA5NWw2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2802349e46e266d85129b1d5ad794eecec89b089e4c78c88709459d2378a7a91 [2024-11-02 12:35:09,119 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-02 12:35:09,152 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-02 12:35:09,154 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-02 12:35:09,160 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-02 12:35:09,165 INFO L274 PluginConnector]: CDTParser initialized [2024-11-02 12:35:09,167 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01372bf6-e757-419e-a6cf-10d77a27811c/bin/utaipan-verify-DbMuA5NWw2/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-98.i Unable to find full path for "g++" [2024-11-02 12:35:11,705 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-02 12:35:11,984 INFO L384 CDTParser]: Found 1 translation units. [2024-11-02 12:35:11,988 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01372bf6-e757-419e-a6cf-10d77a27811c/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-98.i [2024-11-02 12:35:12,006 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01372bf6-e757-419e-a6cf-10d77a27811c/bin/utaipan-verify-DbMuA5NWw2/data/001352124/67dc7ee4eb114bb682db55b71b2b09e5/FLAG323159bf5 [2024-11-02 12:35:12,030 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01372bf6-e757-419e-a6cf-10d77a27811c/bin/utaipan-verify-DbMuA5NWw2/data/001352124/67dc7ee4eb114bb682db55b71b2b09e5 [2024-11-02 12:35:12,034 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-02 12:35:12,038 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-02 12:35:12,039 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-02 12:35:12,039 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-02 12:35:12,045 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-02 12:35:12,046 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 12:35:12" (1/1) ... [2024-11-02 12:35:12,047 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@788ef615 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:35:12, skipping insertion in model container [2024-11-02 12:35:12,047 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 12:35:12" (1/1) ... [2024-11-02 12:35:12,086 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-02 12:35:12,299 WARN L251 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_01372bf6-e757-419e-a6cf-10d77a27811c/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-98.i[915,928] [2024-11-02 12:35:12,428 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-02 12:35:12,449 INFO L200 MainTranslator]: Completed pre-run [2024-11-02 12:35:12,467 WARN L251 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_01372bf6-e757-419e-a6cf-10d77a27811c/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-98.i[915,928] [2024-11-02 12:35:12,526 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-02 12:35:12,554 INFO L204 MainTranslator]: Completed translation [2024-11-02 12:35:12,555 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:35:12 WrapperNode [2024-11-02 12:35:12,555 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-02 12:35:12,556 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-02 12:35:12,556 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-02 12:35:12,557 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-02 12:35:12,565 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:35:12" (1/1) ... [2024-11-02 12:35:12,582 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:35:12" (1/1) ... [2024-11-02 12:35:12,646 INFO L138 Inliner]: procedures = 26, calls = 37, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 166 [2024-11-02 12:35:12,650 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-02 12:35:12,651 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-02 12:35:12,653 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-02 12:35:12,653 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-02 12:35:12,665 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:35:12" (1/1) ... [2024-11-02 12:35:12,666 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:35:12" (1/1) ... [2024-11-02 12:35:12,669 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:35:12" (1/1) ... [2024-11-02 12:35:12,671 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:35:12" (1/1) ... [2024-11-02 12:35:12,685 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:35:12" (1/1) ... [2024-11-02 12:35:12,690 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:35:12" (1/1) ... [2024-11-02 12:35:12,693 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:35:12" (1/1) ... [2024-11-02 12:35:12,695 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:35:12" (1/1) ... [2024-11-02 12:35:12,703 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-02 12:35:12,704 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-02 12:35:12,705 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-02 12:35:12,705 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-02 12:35:12,706 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:35:12" (1/1) ... [2024-11-02 12:35:12,721 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-02 12:35:12,736 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01372bf6-e757-419e-a6cf-10d77a27811c/bin/utaipan-verify-DbMuA5NWw2/z3 [2024-11-02 12:35:12,757 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01372bf6-e757-419e-a6cf-10d77a27811c/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-02 12:35:12,760 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01372bf6-e757-419e-a6cf-10d77a27811c/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-02 12:35:12,796 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-02 12:35:12,797 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-02 12:35:12,797 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-02 12:35:12,799 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-02 12:35:12,800 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-02 12:35:12,800 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-02 12:35:12,905 INFO L238 CfgBuilder]: Building ICFG [2024-11-02 12:35:12,908 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-02 12:35:13,538 INFO L? ?]: Removed 16 outVars from TransFormulas that were not future-live. [2024-11-02 12:35:13,539 INFO L287 CfgBuilder]: Performing block encoding [2024-11-02 12:35:13,833 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-02 12:35:13,834 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-02 12:35:13,834 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 12:35:13 BoogieIcfgContainer [2024-11-02 12:35:13,834 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-02 12:35:13,837 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-02 12:35:13,838 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-02 12:35:13,841 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-02 12:35:13,842 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.11 12:35:12" (1/3) ... [2024-11-02 12:35:13,843 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@fad316f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 12:35:13, skipping insertion in model container [2024-11-02 12:35:13,843 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:35:12" (2/3) ... [2024-11-02 12:35:13,845 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@fad316f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 12:35:13, skipping insertion in model container [2024-11-02 12:35:13,845 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 12:35:13" (3/3) ... [2024-11-02 12:35:13,847 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount50_file-98.i [2024-11-02 12:35:13,867 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-02 12:35:13,868 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-02 12:35:13,935 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-02 12:35:13,940 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;@75749cfc, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-02 12:35:13,941 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-02 12:35:13,944 INFO L276 IsEmpty]: Start isEmpty. Operand has 45 states, 18 states have (on average 1.1666666666666667) internal successors, (21), 19 states have internal predecessors, (21), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2024-11-02 12:35:13,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2024-11-02 12:35:13,956 INFO L207 NwaCegarLoop]: Found error trace [2024-11-02 12:35:13,957 INFO L215 NwaCegarLoop]: trace histogram [24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-02 12:35:13,958 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-02 12:35:13,964 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 12:35:13,966 INFO L85 PathProgramCache]: Analyzing trace with hash 78707235, now seen corresponding path program 1 times [2024-11-02 12:35:13,977 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-02 12:35:13,978 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1868551530] [2024-11-02 12:35:13,978 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 12:35:13,979 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-02 12:35:14,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-02 12:35:14,611 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [573375938] [2024-11-02 12:35:14,611 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 12:35:14,612 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-02 12:35:14,612 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01372bf6-e757-419e-a6cf-10d77a27811c/bin/utaipan-verify-DbMuA5NWw2/z3 [2024-11-02 12:35:14,615 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01372bf6-e757-419e-a6cf-10d77a27811c/bin/utaipan-verify-DbMuA5NWw2/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-02 12:35:14,617 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01372bf6-e757-419e-a6cf-10d77a27811c/bin/utaipan-verify-DbMuA5NWw2/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-02 12:35:15,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-02 12:35:15,114 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-02 12:35:15,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-02 12:35:15,554 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2024-11-02 12:35:15,558 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-02 12:35:15,560 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-02 12:35:15,571 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01372bf6-e757-419e-a6cf-10d77a27811c/bin/utaipan-verify-DbMuA5NWw2/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-02 12:35:15,762 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01372bf6-e757-419e-a6cf-10d77a27811c/bin/utaipan-verify-DbMuA5NWw2/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-02 12:35:15,769 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-02 12:35:15,884 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-02 12:35:15,889 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.11 12:35:15 BoogieIcfgContainer [2024-11-02 12:35:15,889 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-02 12:35:15,890 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-02 12:35:15,891 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-02 12:35:15,892 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-02 12:35:15,892 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 12:35:13" (3/4) ... [2024-11-02 12:35:15,895 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-02 12:35:15,897 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-02 12:35:15,899 INFO L158 Benchmark]: Toolchain (without parser) took 3861.20ms. Allocated memory was 134.2MB in the beginning and 184.5MB in the end (delta: 50.3MB). Free memory was 106.0MB in the beginning and 105.9MB in the end (delta: 143.9kB). Peak memory consumption was 52.6MB. Max. memory is 16.1GB. [2024-11-02 12:35:15,901 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 96.5MB. Free memory is still 52.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-02 12:35:15,902 INFO L158 Benchmark]: CACSL2BoogieTranslator took 516.21ms. Allocated memory is still 134.2MB. Free memory was 105.6MB in the beginning and 89.9MB in the end (delta: 15.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-02 12:35:15,906 INFO L158 Benchmark]: Boogie Procedure Inliner took 94.20ms. Allocated memory is still 134.2MB. Free memory was 89.9MB in the beginning and 86.2MB in the end (delta: 3.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-02 12:35:15,906 INFO L158 Benchmark]: Boogie Preprocessor took 52.36ms. Allocated memory is still 134.2MB. Free memory was 86.2MB in the beginning and 84.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-02 12:35:15,907 INFO L158 Benchmark]: RCFGBuilder took 1130.26ms. Allocated memory is still 134.2MB. Free memory was 84.2MB in the beginning and 82.8MB in the end (delta: 1.4MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-11-02 12:35:15,909 INFO L158 Benchmark]: TraceAbstraction took 2052.57ms. Allocated memory was 134.2MB in the beginning and 184.5MB in the end (delta: 50.3MB). Free memory was 82.1MB in the beginning and 105.9MB in the end (delta: -23.8MB). Peak memory consumption was 27.9MB. Max. memory is 16.1GB. [2024-11-02 12:35:15,909 INFO L158 Benchmark]: Witness Printer took 7.41ms. Allocated memory is still 184.5MB. Free memory is still 105.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-02 12:35:15,912 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24ms. Allocated memory is still 96.5MB. Free memory is still 52.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 516.21ms. Allocated memory is still 134.2MB. Free memory was 105.6MB in the beginning and 89.9MB in the end (delta: 15.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 94.20ms. Allocated memory is still 134.2MB. Free memory was 89.9MB in the beginning and 86.2MB in the end (delta: 3.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 52.36ms. Allocated memory is still 134.2MB. Free memory was 86.2MB in the beginning and 84.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1130.26ms. Allocated memory is still 134.2MB. Free memory was 84.2MB in the beginning and 82.8MB in the end (delta: 1.4MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * TraceAbstraction took 2052.57ms. Allocated memory was 134.2MB in the beginning and 184.5MB in the end (delta: 50.3MB). Free memory was 82.1MB in the beginning and 105.9MB in the end (delta: -23.8MB). Peak memory consumption was 27.9MB. Max. memory is 16.1GB. * Witness Printer took 7.41ms. Allocated memory is still 184.5MB. Free memory is still 105.9MB. 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 someBinaryDOUBLEComparisonOperation at line 127, overapproximation of bitwiseAnd at line 66, overapproximation of someBinaryArithmeticDOUBLEoperation at line 82. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed long int var_1_1 = -64; [L23] signed short int var_1_4 = -10; [L24] signed short int var_1_5 = 100; [L25] double var_1_6 = 0.5; [L26] double var_1_7 = 16.5; [L27] double var_1_8 = 7.4; [L28] unsigned short int var_1_9 = 4; [L29] unsigned char var_1_10 = 0; [L30] unsigned long int var_1_11 = 1000000000; [L31] unsigned short int var_1_12 = 256; [L32] signed short int var_1_13 = 16; [L33] signed short int var_1_14 = 64; [L34] unsigned short int var_1_15 = 63836; [L35] unsigned short int var_1_16 = 10; [L36] signed char var_1_17 = -8; [L37] signed char var_1_18 = 8; [L38] signed short int var_1_19 = 50; [L39] signed short int var_1_20 = 10; [L40] signed short int var_1_21 = 10000; [L41] signed char var_1_22 = -2; [L42] signed long int last_1_var_1_1 = -64; [L131] isInitial = 1 [L132] FCALL initially() [L133] COND TRUE 1 [L134] CALL updateLastVariables() [L124] last_1_var_1_1 = var_1_1 [L134] RET updateLastVariables() [L135] CALL updateVariables() [L86] var_1_4 = __VERIFIER_nondet_short() [L87] CALL assume_abort_if_not(var_1_4 >= -32768) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-64, var_1_10=0, var_1_11=1000000000, var_1_12=256, var_1_13=16, var_1_14=64, var_1_15=63836, var_1_16=10, var_1_17=-8, var_1_18=8, var_1_19=50, var_1_1=-64, var_1_20=10, var_1_21=10000, var_1_22=-2, var_1_4=4, var_1_5=100, var_1_6=1/2, var_1_7=33/2, var_1_8=37/5, var_1_9=4] [L20] COND FALSE !(!cond) [L87] RET assume_abort_if_not(var_1_4 >= -32768) VAL [isInitial=1, last_1_var_1_1=-64, var_1_10=0, var_1_11=1000000000, var_1_12=256, var_1_13=16, var_1_14=64, var_1_15=63836, var_1_16=10, var_1_17=-8, var_1_18=8, var_1_19=50, var_1_1=-64, var_1_20=10, var_1_21=10000, var_1_22=-2, var_1_4=4, var_1_5=100, var_1_6=1/2, var_1_7=33/2, var_1_8=37/5, var_1_9=4] [L88] CALL assume_abort_if_not(var_1_4 <= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-64, var_1_10=0, var_1_11=1000000000, var_1_12=256, var_1_13=16, var_1_14=64, var_1_15=63836, var_1_16=10, var_1_17=-8, var_1_18=8, var_1_19=50, var_1_1=-64, var_1_20=10, var_1_21=10000, var_1_22=-2, var_1_4=4, var_1_5=100, var_1_6=1/2, var_1_7=33/2, var_1_8=37/5, var_1_9=4] [L20] COND FALSE !(!cond) [L88] RET assume_abort_if_not(var_1_4 <= 32767) VAL [isInitial=1, last_1_var_1_1=-64, var_1_10=0, var_1_11=1000000000, var_1_12=256, var_1_13=16, var_1_14=64, var_1_15=63836, var_1_16=10, var_1_17=-8, var_1_18=8, var_1_19=50, var_1_1=-64, var_1_20=10, var_1_21=10000, var_1_22=-2, var_1_4=4, var_1_5=100, var_1_6=1/2, var_1_7=33/2, var_1_8=37/5, var_1_9=4] [L89] CALL assume_abort_if_not(var_1_4 != 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-64, var_1_10=0, var_1_11=1000000000, var_1_12=256, var_1_13=16, var_1_14=64, var_1_15=63836, var_1_16=10, var_1_17=-8, var_1_18=8, var_1_19=50, var_1_1=-64, var_1_20=10, var_1_21=10000, var_1_22=-2, var_1_4=4, var_1_5=100, var_1_6=1/2, var_1_7=33/2, var_1_8=37/5, var_1_9=4] [L20] COND FALSE !(!cond) [L89] RET assume_abort_if_not(var_1_4 != 0) VAL [isInitial=1, last_1_var_1_1=-64, var_1_10=0, var_1_11=1000000000, var_1_12=256, var_1_13=16, var_1_14=64, var_1_15=63836, var_1_16=10, var_1_17=-8, var_1_18=8, var_1_19=50, var_1_1=-64, var_1_20=10, var_1_21=10000, var_1_22=-2, var_1_4=4, var_1_5=100, var_1_6=1/2, var_1_7=33/2, var_1_8=37/5, var_1_9=4] [L90] var_1_5 = __VERIFIER_nondet_short() [L91] CALL assume_abort_if_not(var_1_5 >= -32768) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-64, var_1_10=0, var_1_11=1000000000, var_1_12=256, var_1_13=16, var_1_14=64, var_1_15=63836, var_1_16=10, var_1_17=-8, var_1_18=8, var_1_19=50, var_1_1=-64, var_1_20=10, var_1_21=10000, var_1_22=-2, var_1_4=4, var_1_5=5, var_1_6=1/2, var_1_7=33/2, var_1_8=37/5, var_1_9=4] [L20] COND FALSE !(!cond) [L91] RET assume_abort_if_not(var_1_5 >= -32768) VAL [isInitial=1, last_1_var_1_1=-64, var_1_10=0, var_1_11=1000000000, var_1_12=256, var_1_13=16, var_1_14=64, var_1_15=63836, var_1_16=10, var_1_17=-8, var_1_18=8, var_1_19=50, var_1_1=-64, var_1_20=10, var_1_21=10000, var_1_22=-2, var_1_4=4, var_1_5=5, var_1_6=1/2, var_1_7=33/2, var_1_8=37/5, var_1_9=4] [L92] CALL assume_abort_if_not(var_1_5 <= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-64, var_1_10=0, var_1_11=1000000000, var_1_12=256, var_1_13=16, var_1_14=64, var_1_15=63836, var_1_16=10, var_1_17=-8, var_1_18=8, var_1_19=50, var_1_1=-64, var_1_20=10, var_1_21=10000, var_1_22=-2, var_1_4=4, var_1_5=5, var_1_6=1/2, var_1_7=33/2, var_1_8=37/5, var_1_9=4] [L20] COND FALSE !(!cond) [L92] RET assume_abort_if_not(var_1_5 <= 32767) VAL [isInitial=1, last_1_var_1_1=-64, var_1_10=0, var_1_11=1000000000, var_1_12=256, var_1_13=16, var_1_14=64, var_1_15=63836, var_1_16=10, var_1_17=-8, var_1_18=8, var_1_19=50, var_1_1=-64, var_1_20=10, var_1_21=10000, var_1_22=-2, var_1_4=4, var_1_5=5, var_1_6=1/2, var_1_7=33/2, var_1_8=37/5, var_1_9=4] [L93] CALL assume_abort_if_not(var_1_5 != 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-64, var_1_10=0, var_1_11=1000000000, var_1_12=256, var_1_13=16, var_1_14=64, var_1_15=63836, var_1_16=10, var_1_17=-8, var_1_18=8, var_1_19=50, var_1_1=-64, var_1_20=10, var_1_21=10000, var_1_22=-2, var_1_4=4, var_1_5=5, var_1_6=1/2, var_1_7=33/2, var_1_8=37/5, var_1_9=4] [L20] COND FALSE !(!cond) [L93] RET assume_abort_if_not(var_1_5 != 0) VAL [isInitial=1, last_1_var_1_1=-64, var_1_10=0, var_1_11=1000000000, var_1_12=256, var_1_13=16, var_1_14=64, var_1_15=63836, var_1_16=10, var_1_17=-8, var_1_18=8, var_1_19=50, var_1_1=-64, var_1_20=10, var_1_21=10000, var_1_22=-2, var_1_4=4, var_1_5=5, var_1_6=1/2, var_1_7=33/2, var_1_8=37/5, var_1_9=4] [L94] var_1_7 = __VERIFIER_nondet_double() [L95] CALL assume_abort_if_not((var_1_7 >= -461168.6018427382800e+13F && var_1_7 <= -1.0e-20F) || (var_1_7 <= 4611686.018427382800e+12F && var_1_7 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-64, var_1_10=0, var_1_11=1000000000, var_1_12=256, var_1_13=16, var_1_14=64, var_1_15=63836, var_1_16=10, var_1_17=-8, var_1_18=8, var_1_19=50, var_1_1=-64, var_1_20=10, var_1_21=10000, var_1_22=-2, var_1_4=4, var_1_5=5, var_1_6=1/2, var_1_8=37/5, var_1_9=4] [L20] COND FALSE !(!cond) [L95] RET assume_abort_if_not((var_1_7 >= -461168.6018427382800e+13F && var_1_7 <= -1.0e-20F) || (var_1_7 <= 4611686.018427382800e+12F && var_1_7 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_1=-64, var_1_10=0, var_1_11=1000000000, var_1_12=256, var_1_13=16, var_1_14=64, var_1_15=63836, var_1_16=10, var_1_17=-8, var_1_18=8, var_1_19=50, var_1_1=-64, var_1_20=10, var_1_21=10000, var_1_22=-2, var_1_4=4, var_1_5=5, var_1_6=1/2, var_1_8=37/5, var_1_9=4] [L96] var_1_8 = __VERIFIER_nondet_double() [L97] CALL assume_abort_if_not((var_1_8 >= -461168.6018427382800e+13F && var_1_8 <= -1.0e-20F) || (var_1_8 <= 4611686.018427382800e+12F && var_1_8 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-64, var_1_10=0, var_1_11=1000000000, var_1_12=256, var_1_13=16, var_1_14=64, var_1_15=63836, var_1_16=10, var_1_17=-8, var_1_18=8, var_1_19=50, var_1_1=-64, var_1_20=10, var_1_21=10000, var_1_22=-2, var_1_4=4, var_1_5=5, var_1_6=1/2, var_1_9=4] [L20] COND FALSE !(!cond) [L97] RET assume_abort_if_not((var_1_8 >= -461168.6018427382800e+13F && var_1_8 <= -1.0e-20F) || (var_1_8 <= 4611686.018427382800e+12F && var_1_8 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_1=-64, var_1_10=0, var_1_11=1000000000, var_1_12=256, var_1_13=16, var_1_14=64, var_1_15=63836, var_1_16=10, var_1_17=-8, var_1_18=8, var_1_19=50, var_1_1=-64, var_1_20=10, var_1_21=10000, var_1_22=-2, var_1_4=4, var_1_5=5, var_1_6=1/2, var_1_9=4] [L98] var_1_10 = __VERIFIER_nondet_uchar() [L99] CALL assume_abort_if_not(var_1_10 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-64, var_1_11=1000000000, var_1_12=256, var_1_13=16, var_1_14=64, var_1_15=63836, var_1_16=10, var_1_17=-8, var_1_18=8, var_1_19=50, var_1_1=-64, var_1_20=10, var_1_21=10000, var_1_22=-2, var_1_4=4, var_1_5=5, var_1_6=1/2, var_1_9=4] [L20] COND FALSE !(!cond) [L99] RET assume_abort_if_not(var_1_10 >= 0) VAL [isInitial=1, last_1_var_1_1=-64, var_1_11=1000000000, var_1_12=256, var_1_13=16, var_1_14=64, var_1_15=63836, var_1_16=10, var_1_17=-8, var_1_18=8, var_1_19=50, var_1_1=-64, var_1_20=10, var_1_21=10000, var_1_22=-2, var_1_4=4, var_1_5=5, var_1_6=1/2, var_1_9=4] [L100] CALL assume_abort_if_not(var_1_10 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-64, var_1_10=0, var_1_11=1000000000, var_1_12=256, var_1_13=16, var_1_14=64, var_1_15=63836, var_1_16=10, var_1_17=-8, var_1_18=8, var_1_19=50, var_1_1=-64, var_1_20=10, var_1_21=10000, var_1_22=-2, var_1_4=4, var_1_5=5, var_1_6=1/2, var_1_9=4] [L20] COND FALSE !(!cond) [L100] RET assume_abort_if_not(var_1_10 <= 1) VAL [isInitial=1, last_1_var_1_1=-64, var_1_10=0, var_1_11=1000000000, var_1_12=256, var_1_13=16, var_1_14=64, var_1_15=63836, var_1_16=10, var_1_17=-8, var_1_18=8, var_1_19=50, var_1_1=-64, var_1_20=10, var_1_21=10000, var_1_22=-2, var_1_4=4, var_1_5=5, var_1_6=1/2, var_1_9=4] [L101] var_1_13 = __VERIFIER_nondet_short() [L102] CALL assume_abort_if_not(var_1_13 >= -1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-64, var_1_10=0, var_1_11=1000000000, var_1_12=256, var_1_13=0, var_1_14=64, var_1_15=63836, var_1_16=10, var_1_17=-8, var_1_18=8, var_1_19=50, var_1_1=-64, var_1_20=10, var_1_21=10000, var_1_22=-2, var_1_4=4, var_1_5=5, var_1_6=1/2, var_1_9=4] [L20] COND FALSE !(!cond) [L102] RET assume_abort_if_not(var_1_13 >= -1) VAL [isInitial=1, last_1_var_1_1=-64, var_1_10=0, var_1_11=1000000000, var_1_12=256, var_1_13=0, var_1_14=64, var_1_15=63836, var_1_16=10, var_1_17=-8, var_1_18=8, var_1_19=50, var_1_1=-64, var_1_20=10, var_1_21=10000, var_1_22=-2, var_1_4=4, var_1_5=5, var_1_6=1/2, var_1_9=4] [L103] CALL assume_abort_if_not(var_1_13 <= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-64, var_1_10=0, var_1_11=1000000000, var_1_12=256, var_1_13=0, var_1_14=64, var_1_15=63836, var_1_16=10, var_1_17=-8, var_1_18=8, var_1_19=50, var_1_1=-64, var_1_20=10, var_1_21=10000, var_1_22=-2, var_1_4=4, var_1_5=5, var_1_6=1/2, var_1_9=4] [L20] COND FALSE !(!cond) [L103] RET assume_abort_if_not(var_1_13 <= 32767) VAL [isInitial=1, last_1_var_1_1=-64, var_1_10=0, var_1_11=1000000000, var_1_12=256, var_1_13=0, var_1_14=64, var_1_15=63836, var_1_16=10, var_1_17=-8, var_1_18=8, var_1_19=50, var_1_1=-64, var_1_20=10, var_1_21=10000, var_1_22=-2, var_1_4=4, var_1_5=5, var_1_6=1/2, var_1_9=4] [L104] var_1_14 = __VERIFIER_nondet_short() [L105] CALL assume_abort_if_not(var_1_14 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-64, var_1_10=0, var_1_11=1000000000, var_1_12=256, var_1_13=0, var_1_14=32759, var_1_15=63836, var_1_16=10, var_1_17=-8, var_1_18=8, var_1_19=50, var_1_1=-64, var_1_20=10, var_1_21=10000, var_1_22=-2, var_1_4=4, var_1_5=5, var_1_6=1/2, var_1_9=4] [L20] COND FALSE !(!cond) [L105] RET assume_abort_if_not(var_1_14 >= 0) VAL [isInitial=1, last_1_var_1_1=-64, var_1_10=0, var_1_11=1000000000, var_1_12=256, var_1_13=0, var_1_14=32759, var_1_15=63836, var_1_16=10, var_1_17=-8, var_1_18=8, var_1_19=50, var_1_1=-64, var_1_20=10, var_1_21=10000, var_1_22=-2, var_1_4=4, var_1_5=5, var_1_6=1/2, var_1_9=4] [L106] CALL assume_abort_if_not(var_1_14 <= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-64, var_1_10=0, var_1_11=1000000000, var_1_12=256, var_1_13=0, var_1_14=32759, var_1_15=63836, var_1_16=10, var_1_17=-8, var_1_18=8, var_1_19=50, var_1_1=-64, var_1_20=10, var_1_21=10000, var_1_22=-2, var_1_4=4, var_1_5=5, var_1_6=1/2, var_1_9=4] [L20] COND FALSE !(!cond) [L106] RET assume_abort_if_not(var_1_14 <= 32767) VAL [isInitial=1, last_1_var_1_1=-64, var_1_10=0, var_1_11=1000000000, var_1_12=256, var_1_13=0, var_1_14=32759, var_1_15=63836, var_1_16=10, var_1_17=-8, var_1_18=8, var_1_19=50, var_1_1=-64, var_1_20=10, var_1_21=10000, var_1_22=-2, var_1_4=4, var_1_5=5, var_1_6=1/2, var_1_9=4] [L107] var_1_15 = __VERIFIER_nondet_ushort() [L108] CALL assume_abort_if_not(var_1_15 >= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-64, var_1_10=0, var_1_11=1000000000, var_1_12=256, var_1_13=0, var_1_14=32759, var_1_15=98303, var_1_16=10, var_1_17=-8, var_1_18=8, var_1_19=50, var_1_1=-64, var_1_20=10, var_1_21=10000, var_1_22=-2, var_1_4=4, var_1_5=5, var_1_6=1/2, var_1_9=4] [L20] COND FALSE !(!cond) [L108] RET assume_abort_if_not(var_1_15 >= 32767) VAL [isInitial=1, last_1_var_1_1=-64, var_1_10=0, var_1_11=1000000000, var_1_12=256, var_1_13=0, var_1_14=32759, var_1_15=98303, var_1_16=10, var_1_17=-8, var_1_18=8, var_1_19=50, var_1_1=-64, var_1_20=10, var_1_21=10000, var_1_22=-2, var_1_4=4, var_1_5=5, var_1_6=1/2, var_1_9=4] [L109] CALL assume_abort_if_not(var_1_15 <= 65534) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-64, var_1_10=0, var_1_11=1000000000, var_1_12=256, var_1_13=0, var_1_14=32759, var_1_15=98303, var_1_16=10, var_1_17=-8, var_1_18=8, var_1_19=50, var_1_1=-64, var_1_20=10, var_1_21=10000, var_1_22=-2, var_1_4=4, var_1_5=5, var_1_6=1/2, var_1_9=4] [L20] COND FALSE !(!cond) [L109] RET assume_abort_if_not(var_1_15 <= 65534) VAL [isInitial=1, last_1_var_1_1=-64, var_1_10=0, var_1_11=1000000000, var_1_12=256, var_1_13=0, var_1_14=32759, var_1_15=98303, var_1_16=10, var_1_17=-8, var_1_18=8, var_1_19=50, var_1_1=-64, var_1_20=10, var_1_21=10000, var_1_22=-2, var_1_4=4, var_1_5=5, var_1_6=1/2, var_1_9=4] [L110] var_1_16 = __VERIFIER_nondet_ushort() [L111] CALL assume_abort_if_not(var_1_16 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-64, var_1_10=0, var_1_11=1000000000, var_1_12=256, var_1_13=0, var_1_14=32759, var_1_15=98303, var_1_17=-8, var_1_18=8, var_1_19=50, var_1_1=-64, var_1_20=10, var_1_21=10000, var_1_22=-2, var_1_4=4, var_1_5=5, var_1_6=1/2, var_1_9=4] [L20] COND FALSE !(!cond) [L111] RET assume_abort_if_not(var_1_16 >= 0) VAL [isInitial=1, last_1_var_1_1=-64, var_1_10=0, var_1_11=1000000000, var_1_12=256, var_1_13=0, var_1_14=32759, var_1_15=98303, var_1_17=-8, var_1_18=8, var_1_19=50, var_1_1=-64, var_1_20=10, var_1_21=10000, var_1_22=-2, var_1_4=4, var_1_5=5, var_1_6=1/2, var_1_9=4] [L112] CALL assume_abort_if_not(var_1_16 <= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-64, var_1_10=0, var_1_11=1000000000, var_1_12=256, var_1_13=0, var_1_14=32759, var_1_15=98303, var_1_16=-98314, var_1_17=-8, var_1_18=8, var_1_19=50, var_1_1=-64, var_1_20=10, var_1_21=10000, var_1_22=-2, var_1_4=4, var_1_5=5, var_1_6=1/2, var_1_9=4] [L20] COND FALSE !(!cond) [L112] RET assume_abort_if_not(var_1_16 <= 32767) VAL [isInitial=1, last_1_var_1_1=-64, var_1_10=0, var_1_11=1000000000, var_1_12=256, var_1_13=0, var_1_14=32759, var_1_15=98303, var_1_16=-98314, var_1_17=-8, var_1_18=8, var_1_19=50, var_1_1=-64, var_1_20=10, var_1_21=10000, var_1_22=-2, var_1_4=4, var_1_5=5, var_1_6=1/2, var_1_9=4] [L113] var_1_18 = __VERIFIER_nondet_char() [L114] CALL assume_abort_if_not(var_1_18 >= -127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-64, var_1_10=0, var_1_11=1000000000, var_1_12=256, var_1_13=0, var_1_14=32759, var_1_15=98303, var_1_16=-98314, var_1_17=-8, var_1_18=-127, var_1_19=50, var_1_1=-64, var_1_20=10, var_1_21=10000, var_1_22=-2, var_1_4=4, var_1_5=5, var_1_6=1/2, var_1_9=4] [L20] COND FALSE !(!cond) [L114] RET assume_abort_if_not(var_1_18 >= -127) VAL [isInitial=1, last_1_var_1_1=-64, var_1_10=0, var_1_11=1000000000, var_1_12=256, var_1_13=0, var_1_14=32759, var_1_15=98303, var_1_16=-98314, var_1_17=-8, var_1_18=-127, var_1_19=50, var_1_1=-64, var_1_20=10, var_1_21=10000, var_1_22=-2, var_1_4=4, var_1_5=5, var_1_6=1/2, var_1_9=4] [L115] CALL assume_abort_if_not(var_1_18 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-64, var_1_10=0, var_1_11=1000000000, var_1_12=256, var_1_13=0, var_1_14=32759, var_1_15=98303, var_1_16=-98314, var_1_17=-8, var_1_18=-127, var_1_19=50, var_1_1=-64, var_1_20=10, var_1_21=10000, var_1_22=-2, var_1_4=4, var_1_5=5, var_1_6=1/2, var_1_9=4] [L20] COND FALSE !(!cond) [L115] RET assume_abort_if_not(var_1_18 <= 126) VAL [isInitial=1, last_1_var_1_1=-64, var_1_10=0, var_1_11=1000000000, var_1_12=256, var_1_13=0, var_1_14=32759, var_1_15=98303, var_1_16=-98314, var_1_17=-8, var_1_18=-127, var_1_19=50, var_1_1=-64, var_1_20=10, var_1_21=10000, var_1_22=-2, var_1_4=4, var_1_5=5, var_1_6=1/2, var_1_9=4] [L116] var_1_20 = __VERIFIER_nondet_short() [L117] CALL assume_abort_if_not(var_1_20 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-64, var_1_10=0, var_1_11=1000000000, var_1_12=256, var_1_13=0, var_1_14=32759, var_1_15=98303, var_1_16=-98314, var_1_17=-8, var_1_18=-127, var_1_19=50, var_1_1=-64, var_1_20=16285, var_1_21=10000, var_1_22=-2, var_1_4=4, var_1_5=5, var_1_6=1/2, var_1_9=4] [L20] COND FALSE !(!cond) [L117] RET assume_abort_if_not(var_1_20 >= 0) VAL [isInitial=1, last_1_var_1_1=-64, var_1_10=0, var_1_11=1000000000, var_1_12=256, var_1_13=0, var_1_14=32759, var_1_15=98303, var_1_16=-98314, var_1_17=-8, var_1_18=-127, var_1_19=50, var_1_1=-64, var_1_20=16285, var_1_21=10000, var_1_22=-2, var_1_4=4, var_1_5=5, var_1_6=1/2, var_1_9=4] [L118] CALL assume_abort_if_not(var_1_20 <= 16383) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-64, var_1_10=0, var_1_11=1000000000, var_1_12=256, var_1_13=0, var_1_14=32759, var_1_15=98303, var_1_16=-98314, var_1_17=-8, var_1_18=-127, var_1_19=50, var_1_1=-64, var_1_20=16285, var_1_21=10000, var_1_22=-2, var_1_4=4, var_1_5=5, var_1_6=1/2, var_1_9=4] [L20] COND FALSE !(!cond) [L118] RET assume_abort_if_not(var_1_20 <= 16383) VAL [isInitial=1, last_1_var_1_1=-64, var_1_10=0, var_1_11=1000000000, var_1_12=256, var_1_13=0, var_1_14=32759, var_1_15=98303, var_1_16=-98314, var_1_17=-8, var_1_18=-127, var_1_19=50, var_1_1=-64, var_1_20=16285, var_1_21=10000, var_1_22=-2, var_1_4=4, var_1_5=5, var_1_6=1/2, var_1_9=4] [L119] var_1_21 = __VERIFIER_nondet_short() [L120] CALL assume_abort_if_not(var_1_21 >= 8191) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-64, var_1_10=0, var_1_11=1000000000, var_1_12=256, var_1_13=0, var_1_14=32759, var_1_15=98303, var_1_16=-98314, var_1_17=-8, var_1_18=-127, var_1_19=50, var_1_1=-64, var_1_20=16285, var_1_21=16383, var_1_22=-2, var_1_4=4, var_1_5=5, var_1_6=1/2, var_1_9=4] [L20] COND FALSE !(!cond) [L120] RET assume_abort_if_not(var_1_21 >= 8191) VAL [isInitial=1, last_1_var_1_1=-64, var_1_10=0, var_1_11=1000000000, var_1_12=256, var_1_13=0, var_1_14=32759, var_1_15=98303, var_1_16=-98314, var_1_17=-8, var_1_18=-127, var_1_19=50, var_1_1=-64, var_1_20=16285, var_1_21=16383, var_1_22=-2, var_1_4=4, var_1_5=5, var_1_6=1/2, var_1_9=4] [L121] CALL assume_abort_if_not(var_1_21 <= 16383) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-64, var_1_10=0, var_1_11=1000000000, var_1_12=256, var_1_13=0, var_1_14=32759, var_1_15=98303, var_1_16=-98314, var_1_17=-8, var_1_18=-127, var_1_19=50, var_1_1=-64, var_1_20=16285, var_1_21=16383, var_1_22=-2, var_1_4=4, var_1_5=5, var_1_6=1/2, var_1_9=4] [L20] COND FALSE !(!cond) [L121] RET assume_abort_if_not(var_1_21 <= 16383) VAL [isInitial=1, last_1_var_1_1=-64, var_1_10=0, var_1_11=1000000000, var_1_12=256, var_1_13=0, var_1_14=32759, var_1_15=98303, var_1_16=-98314, var_1_17=-8, var_1_18=-127, var_1_19=50, var_1_1=-64, var_1_20=16285, var_1_21=16383, var_1_22=-2, var_1_4=4, var_1_5=5, var_1_6=1/2, var_1_9=4] [L135] RET updateVariables() [L136] CALL step() [L46] COND TRUE (var_1_5 * (var_1_13 - var_1_14)) <= last_1_var_1_1 [L47] var_1_12 = (var_1_15 - ((((var_1_14) > (var_1_16)) ? (var_1_14) : (var_1_16)))) [L49] var_1_11 = (((((((2u) > ((3986216790u - var_1_12))) ? (2u) : ((3986216790u - var_1_12)))) < 0 ) ? -((((2u) > ((3986216790u - var_1_12))) ? (2u) : ((3986216790u - var_1_12)))) : ((((2u) > ((3986216790u - var_1_12))) ? (2u) : ((3986216790u - var_1_12)))))) [L50] COND FALSE !(\read(var_1_10)) [L55] var_1_17 = var_1_18 [L56] COND TRUE var_1_13 <= var_1_11 [L57] var_1_19 = ((var_1_12 + 25) + (var_1_20 - (var_1_21 - 1))) [L61] var_1_22 = var_1_18 [L62] unsigned short int stepLocal_3 = var_1_12; [L63] unsigned short int stepLocal_2 = var_1_12; [L64] unsigned short int stepLocal_1 = var_1_12; [L65] unsigned long int stepLocal_0 = var_1_11; [L66] EXPR (var_1_11 / var_1_4) & 8 [L66] COND TRUE stepLocal_3 <= ((var_1_11 / var_1_4) & 8) [L67] COND FALSE !(-16 <= stepLocal_0) [L81] COND TRUE var_1_19 <= var_1_1 [L82] var_1_6 = (var_1_7 + var_1_8) [L136] RET step() [L137] CALL, EXPR property() [L127] EXPR (var_1_11 / var_1_4) & 8 [L127-L128] return ((((((((var_1_12 <= ((var_1_11 / var_1_4) & 8)) ? ((-16 <= var_1_11) ? ((var_1_12 != (var_1_11 / ((((var_1_4) < (var_1_5)) ? (var_1_4) : (var_1_5))))) ? (var_1_1 == ((signed long int) ((((var_1_11) > (var_1_12)) ? (var_1_11) : (var_1_12))))) : (var_1_1 == ((signed long int) ((((var_1_12) < 0 ) ? -(var_1_12) : (var_1_12)))))) : 1) : ((var_1_11 <= var_1_12) ? (var_1_1 == ((signed long int) var_1_4)) : (var_1_1 == ((signed long int) var_1_11)))) && ((var_1_19 <= var_1_1) ? (var_1_6 == ((double) (var_1_7 + var_1_8))) : 1)) && (var_1_10 ? ((var_1_4 < (var_1_12 + var_1_5)) ? (var_1_9 == ((unsigned short int) 16)) : 1) : 1)) && (var_1_11 == ((unsigned long int) (((((((2u) > ((3986216790u - var_1_12))) ? (2u) : ((3986216790u - var_1_12)))) < 0 ) ? -((((2u) > ((3986216790u - var_1_12))) ? (2u) : ((3986216790u - var_1_12)))) : ((((2u) > ((3986216790u - var_1_12))) ? (2u) : ((3986216790u - var_1_12))))))))) && (((var_1_5 * (var_1_13 - var_1_14)) <= last_1_var_1_1) ? (var_1_12 == ((unsigned short int) (var_1_15 - ((((var_1_14) > (var_1_16)) ? (var_1_14) : (var_1_16)))))) : 1)) && (var_1_17 == ((signed char) var_1_18))) && ((var_1_13 <= var_1_11) ? (var_1_19 == ((signed short int) ((var_1_12 + 25) + (var_1_20 - (var_1_21 - 1))))) : (var_1_19 == ((signed short int) ((((((((var_1_18) < 0 ) ? -(var_1_18) : (var_1_18)))) > (var_1_12)) ? (((((var_1_18) < 0 ) ? -(var_1_18) : (var_1_18)))) : (var_1_12))))))) && (var_1_22 == ((signed char) var_1_18)) ; [L137] RET, EXPR property() [L137] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, last_1_var_1_1=-64, var_1_10=0, var_1_11=3986216782, var_1_12=8, var_1_13=0, var_1_14=32759, var_1_15=98303, var_1_16=-98314, var_1_17=-127, var_1_18=-127, var_1_19=-64, var_1_1=-64, var_1_20=16285, var_1_21=16383, var_1_22=-127, var_1_4=4, var_1_5=5, var_1_6=0, var_1_9=4] [L19] reach_error() VAL [isInitial=1, last_1_var_1_1=-64, var_1_10=0, var_1_11=3986216782, var_1_12=8, var_1_13=0, var_1_14=32759, var_1_15=98303, var_1_16=-98314, var_1_17=-127, var_1_18=-127, var_1_19=-64, var_1_1=-64, var_1_20=16285, var_1_21=16383, var_1_22=-127, var_1_4=4, var_1_5=5, var_1_6=0, var_1_9=4] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 45 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.9s, OverallIterations: 1, TraceHistogramMax: 24, 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=45occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.9s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 176 NumberOfCodeBlocks, 176 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 [2024-11-02 12:35:15,944 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01372bf6-e757-419e-a6cf-10d77a27811c/bin/utaipan-verify-DbMuA5NWw2/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/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01372bf6-e757-419e-a6cf-10d77a27811c/bin/utaipan-verify-DbMuA5NWw2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01372bf6-e757-419e-a6cf-10d77a27811c/bin/utaipan-verify-DbMuA5NWw2/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01372bf6-e757-419e-a6cf-10d77a27811c/bin/utaipan-verify-DbMuA5NWw2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01372bf6-e757-419e-a6cf-10d77a27811c/bin/utaipan-verify-DbMuA5NWw2/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-98.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01372bf6-e757-419e-a6cf-10d77a27811c/bin/utaipan-verify-DbMuA5NWw2/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01372bf6-e757-419e-a6cf-10d77a27811c/bin/utaipan-verify-DbMuA5NWw2 --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 2802349e46e266d85129b1d5ad794eecec89b089e4c78c88709459d2378a7a91 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-11-02 12:35:18,500 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-02 12:35:18,622 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01372bf6-e757-419e-a6cf-10d77a27811c/bin/utaipan-verify-DbMuA5NWw2/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2024-11-02 12:35:18,631 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-02 12:35:18,631 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-02 12:35:18,683 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-02 12:35:18,684 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-02 12:35:18,685 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-02 12:35:18,688 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-02 12:35:18,689 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-02 12:35:18,689 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-02 12:35:18,690 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-02 12:35:18,690 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-02 12:35:18,691 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-02 12:35:18,693 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-02 12:35:18,694 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-02 12:35:18,694 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-02 12:35:18,695 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-02 12:35:18,695 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-02 12:35:18,695 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-02 12:35:18,700 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-02 12:35:18,700 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-02 12:35:18,701 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-02 12:35:18,701 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-02 12:35:18,701 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-02 12:35:18,702 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-02 12:35:18,702 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-02 12:35:18,702 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-02 12:35:18,703 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-02 12:35:18,703 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-02 12:35:18,703 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-02 12:35:18,704 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-02 12:35:18,705 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-02 12:35:18,706 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-02 12:35:18,706 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-02 12:35:18,707 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-02 12:35:18,707 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-02 12:35:18,707 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-02 12:35:18,707 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-02 12:35:18,708 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-02 12:35:18,708 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-02 12:35:18,710 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-02 12:35:18,710 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-02 12:35:18,711 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-02 12:35:18,711 INFO L153 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01372bf6-e757-419e-a6cf-10d77a27811c/bin/utaipan-verify-DbMuA5NWw2/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01372bf6-e757-419e-a6cf-10d77a27811c/bin/utaipan-verify-DbMuA5NWw2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2802349e46e266d85129b1d5ad794eecec89b089e4c78c88709459d2378a7a91 [2024-11-02 12:35:19,266 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-02 12:35:19,309 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-02 12:35:19,312 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-02 12:35:19,317 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-02 12:35:19,318 INFO L274 PluginConnector]: CDTParser initialized [2024-11-02 12:35:19,320 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01372bf6-e757-419e-a6cf-10d77a27811c/bin/utaipan-verify-DbMuA5NWw2/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-98.i Unable to find full path for "g++" [2024-11-02 12:35:21,900 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-02 12:35:22,221 INFO L384 CDTParser]: Found 1 translation units. [2024-11-02 12:35:22,222 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01372bf6-e757-419e-a6cf-10d77a27811c/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-98.i [2024-11-02 12:35:22,233 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01372bf6-e757-419e-a6cf-10d77a27811c/bin/utaipan-verify-DbMuA5NWw2/data/e1f7c5911/574613c5e0c54e69a7db92e688c2655a/FLAG8c9aa01ef [2024-11-02 12:35:22,252 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01372bf6-e757-419e-a6cf-10d77a27811c/bin/utaipan-verify-DbMuA5NWw2/data/e1f7c5911/574613c5e0c54e69a7db92e688c2655a [2024-11-02 12:35:22,256 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-02 12:35:22,257 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-02 12:35:22,259 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-02 12:35:22,259 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-02 12:35:22,266 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-02 12:35:22,267 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 12:35:22" (1/1) ... [2024-11-02 12:35:22,269 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5b2b122d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:35:22, skipping insertion in model container [2024-11-02 12:35:22,269 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 12:35:22" (1/1) ... [2024-11-02 12:35:22,310 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-02 12:35:22,582 WARN L251 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_01372bf6-e757-419e-a6cf-10d77a27811c/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-98.i[915,928] [2024-11-02 12:35:22,688 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-02 12:35:22,711 INFO L200 MainTranslator]: Completed pre-run [2024-11-02 12:35:22,725 WARN L251 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_01372bf6-e757-419e-a6cf-10d77a27811c/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-98.i[915,928] [2024-11-02 12:35:22,755 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-02 12:35:22,810 INFO L204 MainTranslator]: Completed translation [2024-11-02 12:35:22,811 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:35:22 WrapperNode [2024-11-02 12:35:22,811 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-02 12:35:22,812 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-02 12:35:22,812 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-02 12:35:22,813 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-02 12:35:22,830 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:35:22" (1/1) ... [2024-11-02 12:35:22,864 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:35:22" (1/1) ... [2024-11-02 12:35:22,908 INFO L138 Inliner]: procedures = 27, calls = 37, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 141 [2024-11-02 12:35:22,911 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-02 12:35:22,912 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-02 12:35:22,912 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-02 12:35:22,912 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-02 12:35:22,925 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:35:22" (1/1) ... [2024-11-02 12:35:22,925 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:35:22" (1/1) ... [2024-11-02 12:35:22,929 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:35:22" (1/1) ... [2024-11-02 12:35:22,933 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:35:22" (1/1) ... [2024-11-02 12:35:22,947 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:35:22" (1/1) ... [2024-11-02 12:35:22,957 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:35:22" (1/1) ... [2024-11-02 12:35:22,963 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:35:22" (1/1) ... [2024-11-02 12:35:22,968 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:35:22" (1/1) ... [2024-11-02 12:35:22,975 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-02 12:35:22,976 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-02 12:35:22,980 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-02 12:35:22,980 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-02 12:35:22,981 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:35:22" (1/1) ... [2024-11-02 12:35:22,991 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-02 12:35:23,013 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01372bf6-e757-419e-a6cf-10d77a27811c/bin/utaipan-verify-DbMuA5NWw2/z3 [2024-11-02 12:35:23,034 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01372bf6-e757-419e-a6cf-10d77a27811c/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-02 12:35:23,047 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01372bf6-e757-419e-a6cf-10d77a27811c/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-02 12:35:23,083 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-02 12:35:23,084 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-02 12:35:23,084 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-02 12:35:23,084 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-02 12:35:23,085 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-02 12:35:23,085 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-02 12:35:23,202 INFO L238 CfgBuilder]: Building ICFG [2024-11-02 12:35:23,206 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-02 12:35:24,671 INFO L? ?]: Removed 16 outVars from TransFormulas that were not future-live. [2024-11-02 12:35:24,671 INFO L287 CfgBuilder]: Performing block encoding [2024-11-02 12:35:24,696 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-02 12:35:24,698 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-02 12:35:24,698 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 12:35:24 BoogieIcfgContainer [2024-11-02 12:35:24,699 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-02 12:35:24,704 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-02 12:35:24,704 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-02 12:35:24,708 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-02 12:35:24,709 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.11 12:35:22" (1/3) ... [2024-11-02 12:35:24,710 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@76389a91 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 12:35:24, skipping insertion in model container [2024-11-02 12:35:24,711 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:35:22" (2/3) ... [2024-11-02 12:35:24,712 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@76389a91 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 12:35:24, skipping insertion in model container [2024-11-02 12:35:24,713 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 12:35:24" (3/3) ... [2024-11-02 12:35:24,715 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount50_file-98.i [2024-11-02 12:35:24,739 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-02 12:35:24,739 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-02 12:35:24,824 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-02 12:35:24,831 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;@6ce75a0c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-02 12:35:24,831 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-02 12:35:24,836 INFO L276 IsEmpty]: Start isEmpty. Operand has 67 states, 40 states have (on average 1.35) internal successors, (54), 41 states have internal predecessors, (54), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2024-11-02 12:35:24,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2024-11-02 12:35:24,860 INFO L207 NwaCegarLoop]: Found error trace [2024-11-02 12:35:24,862 INFO L215 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-02 12:35:24,863 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-02 12:35:24,870 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 12:35:24,871 INFO L85 PathProgramCache]: Analyzing trace with hash -2033321866, now seen corresponding path program 1 times [2024-11-02 12:35:24,888 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-02 12:35:24,889 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [318555371] [2024-11-02 12:35:24,889 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 12:35:24,890 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 [2024-11-02 12:35:24,890 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01372bf6-e757-419e-a6cf-10d77a27811c/bin/utaipan-verify-DbMuA5NWw2/mathsat [2024-11-02 12:35:24,895 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01372bf6-e757-419e-a6cf-10d77a27811c/bin/utaipan-verify-DbMuA5NWw2/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) [2024-11-02 12:35:24,900 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01372bf6-e757-419e-a6cf-10d77a27811c/bin/utaipan-verify-DbMuA5NWw2/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 [2024-11-02 12:35:25,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-02 12:35:25,300 INFO L255 TraceCheckSpWp]: Trace formula consists of 242 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-02 12:35:25,314 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-02 12:35:25,366 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 494 proven. 0 refuted. 0 times theorem prover too weak. 610 trivial. 0 not checked. [2024-11-02 12:35:25,367 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-02 12:35:25,367 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-02 12:35:25,368 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [318555371] [2024-11-02 12:35:25,368 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [318555371] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-02 12:35:25,369 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-02 12:35:25,369 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-02 12:35:25,375 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1609115861] [2024-11-02 12:35:25,376 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-02 12:35:25,385 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-02 12:35:25,385 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-02 12:35:25,411 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-02 12:35:25,412 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-02 12:35:25,414 INFO L87 Difference]: Start difference. First operand has 67 states, 40 states have (on average 1.35) internal successors, (54), 41 states have internal predecessors, (54), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) Second operand has 2 states, 2 states have (on average 18.5) internal successors, (37), 2 states have internal predecessors, (37), 2 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2024-11-02 12:35:25,447 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-02 12:35:25,447 INFO L93 Difference]: Finished difference Result 127 states and 222 transitions. [2024-11-02 12:35:25,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-02 12:35:25,450 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 18.5) internal successors, (37), 2 states have internal predecessors, (37), 2 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 150 [2024-11-02 12:35:25,450 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-02 12:35:25,459 INFO L225 Difference]: With dead ends: 127 [2024-11-02 12:35:25,459 INFO L226 Difference]: Without dead ends: 63 [2024-11-02 12:35:25,463 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 149 GetRequests, 149 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-02 12:35:25,467 INFO L432 NwaCegarLoop]: 95 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, 95 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 [2024-11-02 12:35:25,468 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 95 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-02 12:35:25,489 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states. [2024-11-02 12:35:25,523 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 63. [2024-11-02 12:35:25,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 63 states, 37 states have (on average 1.2702702702702702) internal successors, (47), 37 states have internal predecessors, (47), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2024-11-02 12:35:25,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 95 transitions. [2024-11-02 12:35:25,532 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 95 transitions. Word has length 150 [2024-11-02 12:35:25,535 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-02 12:35:25,535 INFO L471 AbstractCegarLoop]: Abstraction has 63 states and 95 transitions. [2024-11-02 12:35:25,548 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 18.5) internal successors, (37), 2 states have internal predecessors, (37), 2 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2024-11-02 12:35:25,549 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 95 transitions. [2024-11-02 12:35:25,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2024-11-02 12:35:25,557 INFO L207 NwaCegarLoop]: Found error trace [2024-11-02 12:35:25,557 INFO L215 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-02 12:35:25,569 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01372bf6-e757-419e-a6cf-10d77a27811c/bin/utaipan-verify-DbMuA5NWw2/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 [2024-11-02 12:35:25,757 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01372bf6-e757-419e-a6cf-10d77a27811c/bin/utaipan-verify-DbMuA5NWw2/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 [2024-11-02 12:35:25,758 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-02 12:35:25,759 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 12:35:25,759 INFO L85 PathProgramCache]: Analyzing trace with hash -94721410, now seen corresponding path program 1 times [2024-11-02 12:35:25,760 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-02 12:35:25,760 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1211341092] [2024-11-02 12:35:25,761 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 12:35:25,761 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 [2024-11-02 12:35:25,761 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01372bf6-e757-419e-a6cf-10d77a27811c/bin/utaipan-verify-DbMuA5NWw2/mathsat [2024-11-02 12:35:25,762 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01372bf6-e757-419e-a6cf-10d77a27811c/bin/utaipan-verify-DbMuA5NWw2/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) [2024-11-02 12:35:25,764 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01372bf6-e757-419e-a6cf-10d77a27811c/bin/utaipan-verify-DbMuA5NWw2/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 [2024-11-02 12:35:26,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-02 12:35:26,080 INFO L255 TraceCheckSpWp]: Trace formula consists of 242 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-02 12:35:26,089 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-02 12:35:26,371 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1104 trivial. 0 not checked. [2024-11-02 12:35:26,371 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-02 12:35:26,372 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-02 12:35:26,372 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1211341092] [2024-11-02 12:35:26,372 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1211341092] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-02 12:35:26,372 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-02 12:35:26,373 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-02 12:35:26,373 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1657725030] [2024-11-02 12:35:26,373 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-02 12:35:26,375 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-02 12:35:26,375 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-02 12:35:26,376 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-02 12:35:26,376 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-02 12:35:26,376 INFO L87 Difference]: Start difference. First operand 63 states and 95 transitions. Second operand has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) [2024-11-02 12:35:27,426 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-02 12:35:27,426 INFO L93 Difference]: Finished difference Result 167 states and 255 transitions. [2024-11-02 12:35:27,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-02 12:35:27,449 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) Word has length 150 [2024-11-02 12:35:27,450 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-02 12:35:27,456 INFO L225 Difference]: With dead ends: 167 [2024-11-02 12:35:27,456 INFO L226 Difference]: Without dead ends: 107 [2024-11-02 12:35:27,457 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 149 GetRequests, 148 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-02 12:35:27,458 INFO L432 NwaCegarLoop]: 153 mSDtfsCounter, 85 mSDsluCounter, 69 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 85 SdHoareTripleChecker+Valid, 222 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-02 12:35:27,459 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [85 Valid, 222 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-02 12:35:27,462 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2024-11-02 12:35:27,482 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 63. [2024-11-02 12:35:27,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 63 states, 37 states have (on average 1.2432432432432432) internal successors, (46), 37 states have internal predecessors, (46), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2024-11-02 12:35:27,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 94 transitions. [2024-11-02 12:35:27,490 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 94 transitions. Word has length 150 [2024-11-02 12:35:27,502 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-02 12:35:27,503 INFO L471 AbstractCegarLoop]: Abstraction has 63 states and 94 transitions. [2024-11-02 12:35:27,504 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) [2024-11-02 12:35:27,504 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 94 transitions. [2024-11-02 12:35:27,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2024-11-02 12:35:27,506 INFO L207 NwaCegarLoop]: Found error trace [2024-11-02 12:35:27,507 INFO L215 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-02 12:35:27,516 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01372bf6-e757-419e-a6cf-10d77a27811c/bin/utaipan-verify-DbMuA5NWw2/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2024-11-02 12:35:27,707 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01372bf6-e757-419e-a6cf-10d77a27811c/bin/utaipan-verify-DbMuA5NWw2/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 [2024-11-02 12:35:27,708 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-02 12:35:27,708 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 12:35:27,709 INFO L85 PathProgramCache]: Analyzing trace with hash -37463108, now seen corresponding path program 1 times [2024-11-02 12:35:27,710 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-02 12:35:27,710 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1541657009] [2024-11-02 12:35:27,710 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 12:35:27,710 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 [2024-11-02 12:35:27,711 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01372bf6-e757-419e-a6cf-10d77a27811c/bin/utaipan-verify-DbMuA5NWw2/mathsat [2024-11-02 12:35:27,713 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01372bf6-e757-419e-a6cf-10d77a27811c/bin/utaipan-verify-DbMuA5NWw2/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) [2024-11-02 12:35:27,716 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01372bf6-e757-419e-a6cf-10d77a27811c/bin/utaipan-verify-DbMuA5NWw2/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 (4)] Waiting until timeout for monitored process [2024-11-02 12:35:27,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-02 12:35:27,985 INFO L255 TraceCheckSpWp]: Trace formula consists of 242 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-02 12:35:27,989 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-02 12:35:28,170 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1104 trivial. 0 not checked. [2024-11-02 12:35:28,170 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-02 12:35:28,171 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-02 12:35:28,171 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1541657009] [2024-11-02 12:35:28,171 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1541657009] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-02 12:35:28,171 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-02 12:35:28,171 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-02 12:35:28,172 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1442598350] [2024-11-02 12:35:28,172 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-02 12:35:28,173 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-02 12:35:28,173 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-02 12:35:28,174 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-02 12:35:28,174 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-02 12:35:28,174 INFO L87 Difference]: Start difference. First operand 63 states and 94 transitions. Second operand has 4 states, 4 states have (on average 8.25) internal successors, (33), 4 states have internal predecessors, (33), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) [2024-11-02 12:35:30,239 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-02 12:35:30,239 INFO L93 Difference]: Finished difference Result 227 states and 344 transitions. [2024-11-02 12:35:30,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-02 12:35:30,242 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.25) internal successors, (33), 4 states have internal predecessors, (33), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) Word has length 150 [2024-11-02 12:35:30,243 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-02 12:35:30,245 INFO L225 Difference]: With dead ends: 227 [2024-11-02 12:35:30,245 INFO L226 Difference]: Without dead ends: 167 [2024-11-02 12:35:30,246 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 151 GetRequests, 148 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-02 12:35:30,247 INFO L432 NwaCegarLoop]: 158 mSDtfsCounter, 150 mSDsluCounter, 217 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 97 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 150 SdHoareTripleChecker+Valid, 375 SdHoareTripleChecker+Invalid, 130 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 97 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2024-11-02 12:35:30,247 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [150 Valid, 375 Invalid, 130 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [97 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2024-11-02 12:35:30,248 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 167 states. [2024-11-02 12:35:30,276 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 167 to 119. [2024-11-02 12:35:30,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 119 states, 68 states have (on average 1.2352941176470589) internal successors, (84), 68 states have internal predecessors, (84), 48 states have call successors, (48), 2 states have call predecessors, (48), 2 states have return successors, (48), 48 states have call predecessors, (48), 48 states have call successors, (48) [2024-11-02 12:35:30,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 180 transitions. [2024-11-02 12:35:30,279 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 180 transitions. Word has length 150 [2024-11-02 12:35:30,280 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-02 12:35:30,280 INFO L471 AbstractCegarLoop]: Abstraction has 119 states and 180 transitions. [2024-11-02 12:35:30,280 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.25) internal successors, (33), 4 states have internal predecessors, (33), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) [2024-11-02 12:35:30,281 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 180 transitions. [2024-11-02 12:35:30,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2024-11-02 12:35:30,283 INFO L207 NwaCegarLoop]: Found error trace [2024-11-02 12:35:30,283 INFO L215 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-02 12:35:30,294 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01372bf6-e757-419e-a6cf-10d77a27811c/bin/utaipan-verify-DbMuA5NWw2/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 (4)] Forceful destruction successful, exit code 0 [2024-11-02 12:35:30,484 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01372bf6-e757-419e-a6cf-10d77a27811c/bin/utaipan-verify-DbMuA5NWw2/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 [2024-11-02 12:35:30,484 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-02 12:35:30,485 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 12:35:30,485 INFO L85 PathProgramCache]: Analyzing trace with hash -35616066, now seen corresponding path program 1 times [2024-11-02 12:35:30,486 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-02 12:35:30,486 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [720842089] [2024-11-02 12:35:30,486 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 12:35:30,486 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 [2024-11-02 12:35:30,486 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01372bf6-e757-419e-a6cf-10d77a27811c/bin/utaipan-verify-DbMuA5NWw2/mathsat [2024-11-02 12:35:30,490 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01372bf6-e757-419e-a6cf-10d77a27811c/bin/utaipan-verify-DbMuA5NWw2/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) [2024-11-02 12:35:30,493 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01372bf6-e757-419e-a6cf-10d77a27811c/bin/utaipan-verify-DbMuA5NWw2/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2024-11-02 12:35:30,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-02 12:35:30,839 INFO L255 TraceCheckSpWp]: Trace formula consists of 241 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-02 12:35:30,848 INFO L278 TraceCheckSpWp]: Computing forward predicates...