./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-50.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8bcbdd9-79d6-4cb4-88ab-a04c2733b641/bin/utaipan-verify-nQ1chXbOIh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8bcbdd9-79d6-4cb4-88ab-a04c2733b641/bin/utaipan-verify-nQ1chXbOIh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8bcbdd9-79d6-4cb4-88ab-a04c2733b641/bin/utaipan-verify-nQ1chXbOIh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8bcbdd9-79d6-4cb4-88ab-a04c2733b641/bin/utaipan-verify-nQ1chXbOIh/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-50.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8bcbdd9-79d6-4cb4-88ab-a04c2733b641/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8bcbdd9-79d6-4cb4-88ab-a04c2733b641/bin/utaipan-verify-nQ1chXbOIh --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 ca3c37a23d0b2e25a10d40f4c34df67d19b215be8669fab5b38c7ed8f9e11318 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 16:21:58,239 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 16:21:58,301 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8bcbdd9-79d6-4cb4-88ab-a04c2733b641/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-12-02 16:21:58,304 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 16:21:58,305 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-02 16:21:58,330 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 16:21:58,330 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-02 16:21:58,331 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-02 16:21:58,331 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 16:21:58,332 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-02 16:21:58,333 INFO L153 SettingsManager]: * User list type=DISABLED [2023-12-02 16:21:58,333 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-12-02 16:21:58,334 INFO L153 SettingsManager]: * Explicit value domain=true [2023-12-02 16:21:58,334 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-12-02 16:21:58,335 INFO L153 SettingsManager]: * Octagon Domain=false [2023-12-02 16:21:58,335 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-12-02 16:21:58,336 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-12-02 16:21:58,336 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-12-02 16:21:58,337 INFO L153 SettingsManager]: * Interval Domain=false [2023-12-02 16:21:58,337 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-12-02 16:21:58,338 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-12-02 16:21:58,339 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-12-02 16:21:58,340 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 16:21:58,340 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 16:21:58,341 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 16:21:58,341 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 16:21:58,341 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 16:21:58,342 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 16:21:58,342 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 16:21:58,343 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 16:21:58,343 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 16:21:58,343 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 16:21:58,344 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 16:21:58,344 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 16:21:58,344 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 16:21:58,344 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-02 16:21:58,345 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-02 16:21:58,345 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 16:21:58,345 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 16:21:58,345 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 16:21:58,346 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 16:21:58,346 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-12-02 16:21:58,346 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 16:21:58,346 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-02 16:21:58,346 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 16:21:58,347 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-12-02 16:21:58,347 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 16:21:58,347 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_b8bcbdd9-79d6-4cb4-88ab-a04c2733b641/bin/utaipan-verify-nQ1chXbOIh/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8bcbdd9-79d6-4cb4-88ab-a04c2733b641/bin/utaipan-verify-nQ1chXbOIh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ca3c37a23d0b2e25a10d40f4c34df67d19b215be8669fab5b38c7ed8f9e11318 [2023-12-02 16:21:58,555 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 16:21:58,575 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 16:21:58,578 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 16:21:58,579 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 16:21:58,580 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 16:21:58,581 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8bcbdd9-79d6-4cb4-88ab-a04c2733b641/bin/utaipan-verify-nQ1chXbOIh/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-50.i [2023-12-02 16:22:01,397 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 16:22:01,601 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 16:22:01,602 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8bcbdd9-79d6-4cb4-88ab-a04c2733b641/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-50.i [2023-12-02 16:22:01,611 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8bcbdd9-79d6-4cb4-88ab-a04c2733b641/bin/utaipan-verify-nQ1chXbOIh/data/1b17e8c90/9c46c93d57264f00ba2aa359f29cce85/FLAG131a6486c [2023-12-02 16:22:01,624 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8bcbdd9-79d6-4cb4-88ab-a04c2733b641/bin/utaipan-verify-nQ1chXbOIh/data/1b17e8c90/9c46c93d57264f00ba2aa359f29cce85 [2023-12-02 16:22:01,627 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 16:22:01,628 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 16:22:01,630 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 16:22:01,630 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 16:22:01,635 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 16:22:01,636 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 04:22:01" (1/1) ... [2023-12-02 16:22:01,637 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6e0044eb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:22:01, skipping insertion in model container [2023-12-02 16:22:01,637 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 04:22:01" (1/1) ... [2023-12-02 16:22:01,670 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 16:22:01,810 WARN L240 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_b8bcbdd9-79d6-4cb4-88ab-a04c2733b641/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-50.i[915,928] [2023-12-02 16:22:01,866 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 16:22:01,876 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 16:22:01,889 WARN L240 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_b8bcbdd9-79d6-4cb4-88ab-a04c2733b641/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-50.i[915,928] [2023-12-02 16:22:01,915 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 16:22:01,931 INFO L206 MainTranslator]: Completed translation [2023-12-02 16:22:01,931 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:22:01 WrapperNode [2023-12-02 16:22:01,932 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 16:22:01,933 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 16:22:01,933 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 16:22:01,933 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 16:22:01,940 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:22:01" (1/1) ... [2023-12-02 16:22:01,952 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:22:01" (1/1) ... [2023-12-02 16:22:01,989 INFO L138 Inliner]: procedures = 26, calls = 33, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 134 [2023-12-02 16:22:01,990 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 16:22:01,991 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 16:22:01,991 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 16:22:01,991 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 16:22:01,999 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:22:01" (1/1) ... [2023-12-02 16:22:02,000 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:22:01" (1/1) ... [2023-12-02 16:22:02,002 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:22:01" (1/1) ... [2023-12-02 16:22:02,003 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:22:01" (1/1) ... [2023-12-02 16:22:02,015 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:22:01" (1/1) ... [2023-12-02 16:22:02,019 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:22:01" (1/1) ... [2023-12-02 16:22:02,023 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:22:01" (1/1) ... [2023-12-02 16:22:02,026 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:22:01" (1/1) ... [2023-12-02 16:22:02,032 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 16:22:02,033 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 16:22:02,034 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 16:22:02,034 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 16:22:02,034 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:22:01" (1/1) ... [2023-12-02 16:22:02,041 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 16:22:02,051 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8bcbdd9-79d6-4cb4-88ab-a04c2733b641/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 16:22:02,063 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8bcbdd9-79d6-4cb4-88ab-a04c2733b641/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-12-02 16:22:02,066 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8bcbdd9-79d6-4cb4-88ab-a04c2733b641/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-12-02 16:22:02,100 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 16:22:02,100 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-02 16:22:02,100 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-02 16:22:02,100 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 16:22:02,101 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 16:22:02,101 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 16:22:02,214 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 16:22:02,217 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 16:22:02,520 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 16:22:02,651 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 16:22:02,652 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-02 16:22:02,654 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 04:22:02 BoogieIcfgContainer [2023-12-02 16:22:02,654 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 16:22:02,656 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-02 16:22:02,656 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-02 16:22:02,659 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-02 16:22:02,659 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 04:22:01" (1/3) ... [2023-12-02 16:22:02,660 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@437d6944 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 04:22:02, skipping insertion in model container [2023-12-02 16:22:02,660 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:22:01" (2/3) ... [2023-12-02 16:22:02,661 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@437d6944 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 04:22:02, skipping insertion in model container [2023-12-02 16:22:02,661 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 04:22:02" (3/3) ... [2023-12-02 16:22:02,662 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_50-while_file-50.i [2023-12-02 16:22:02,684 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-02 16:22:02,684 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-02 16:22:02,734 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-02 16:22:02,739 INFO L357 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, mHoare=true, 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;@61ec216, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-02 16:22:02,739 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-02 16:22:02,743 INFO L276 IsEmpty]: Start isEmpty. Operand has 40 states, 17 states have (on average 1.1764705882352942) internal successors, (20), 18 states have internal predecessors, (20), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2023-12-02 16:22:02,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2023-12-02 16:22:02,751 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 16:22:02,752 INFO L195 NwaCegarLoop]: trace histogram [20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 16:22:02,752 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 16:22:02,756 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 16:22:02,756 INFO L85 PathProgramCache]: Analyzing trace with hash 1866821318, now seen corresponding path program 1 times [2023-12-02 16:22:02,765 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 16:22:02,765 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2021494211] [2023-12-02 16:22:02,766 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 16:22:02,766 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 16:22:02,901 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-02 16:22:02,901 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1381099465] [2023-12-02 16:22:02,902 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 16:22:02,902 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 16:22:02,902 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8bcbdd9-79d6-4cb4-88ab-a04c2733b641/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 16:22:02,909 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8bcbdd9-79d6-4cb4-88ab-a04c2733b641/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 16:22:02,916 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8bcbdd9-79d6-4cb4-88ab-a04c2733b641/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-12-02 16:22:04,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 16:22:04,139 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 16:22:04,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 16:22:04,297 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-12-02 16:22:04,299 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-12-02 16:22:04,301 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-02 16:22:04,310 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8bcbdd9-79d6-4cb4-88ab-a04c2733b641/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-12-02 16:22:04,503 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8bcbdd9-79d6-4cb4-88ab-a04c2733b641/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-12-02 16:22:04,508 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-12-02 16:22:04,513 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-12-02 16:22:04,593 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 04:22:04 BoogieIcfgContainer [2023-12-02 16:22:04,593 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-02 16:22:04,594 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-02 16:22:04,594 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-02 16:22:04,594 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-02 16:22:04,594 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 04:22:02" (3/4) ... [2023-12-02 16:22:04,597 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-02 16:22:04,598 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-02 16:22:04,599 INFO L158 Benchmark]: Toolchain (without parser) took 2970.32ms. Allocated memory is still 144.7MB. Free memory was 101.5MB in the beginning and 111.5MB in the end (delta: -10.0MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 16:22:04,599 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 104.9MB. Free memory is still 52.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 16:22:04,600 INFO L158 Benchmark]: CACSL2BoogieTranslator took 302.09ms. Allocated memory is still 144.7MB. Free memory was 101.5MB in the beginning and 87.5MB in the end (delta: 14.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-12-02 16:22:04,600 INFO L158 Benchmark]: Boogie Procedure Inliner took 57.60ms. Allocated memory is still 144.7MB. Free memory was 87.5MB in the beginning and 83.4MB in the end (delta: 4.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-12-02 16:22:04,601 INFO L158 Benchmark]: Boogie Preprocessor took 41.68ms. Allocated memory is still 144.7MB. Free memory was 83.4MB in the beginning and 81.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 16:22:04,602 INFO L158 Benchmark]: RCFGBuilder took 620.52ms. Allocated memory is still 144.7MB. Free memory was 81.3MB in the beginning and 84.3MB in the end (delta: -2.9MB). Peak memory consumption was 12.3MB. Max. memory is 16.1GB. [2023-12-02 16:22:04,602 INFO L158 Benchmark]: TraceAbstraction took 1936.92ms. Allocated memory is still 144.7MB. Free memory was 83.5MB in the beginning and 111.6MB in the end (delta: -28.2MB). Peak memory consumption was 38.5MB. Max. memory is 16.1GB. [2023-12-02 16:22:04,603 INFO L158 Benchmark]: Witness Printer took 4.07ms. Allocated memory is still 144.7MB. Free memory was 111.6MB in the beginning and 111.5MB in the end (delta: 85.0kB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 16:22:04,606 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 104.9MB. Free memory is still 52.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 302.09ms. Allocated memory is still 144.7MB. Free memory was 101.5MB in the beginning and 87.5MB in the end (delta: 14.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 57.60ms. Allocated memory is still 144.7MB. Free memory was 87.5MB in the beginning and 83.4MB in the end (delta: 4.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 41.68ms. Allocated memory is still 144.7MB. Free memory was 83.4MB in the beginning and 81.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 620.52ms. Allocated memory is still 144.7MB. Free memory was 81.3MB in the beginning and 84.3MB in the end (delta: -2.9MB). Peak memory consumption was 12.3MB. Max. memory is 16.1GB. * TraceAbstraction took 1936.92ms. Allocated memory is still 144.7MB. Free memory was 83.5MB in the beginning and 111.6MB in the end (delta: -28.2MB). Peak memory consumption was 38.5MB. Max. memory is 16.1GB. * Witness Printer took 4.07ms. Allocated memory is still 144.7MB. Free memory was 111.6MB in the beginning and 111.5MB in the end (delta: 85.0kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 46, overapproximation of someBinaryArithmeticFLOAToperation at line 46, overapproximation of someUnaryFLOAToperation at line 46. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned char var_1_1 = 1; [L23] unsigned char var_1_7 = 0; [L24] unsigned char var_1_8 = 1; [L25] signed short int var_1_9 = -2; [L26] float var_1_13 = 999.4; [L27] float var_1_14 = 100.425; [L28] float var_1_15 = 3.375; [L29] float var_1_16 = 15.9; [L30] signed short int var_1_17 = -10; [L31] signed short int var_1_18 = 18060; [L32] unsigned char var_1_20 = 0; [L33] unsigned long int var_1_21 = 4; [L34] unsigned char var_1_23 = 0; [L35] unsigned char var_1_24 = 0; [L36] unsigned char var_1_25 = 100; [L37] unsigned char var_1_26 = 32; [L38] unsigned char var_1_27 = 10; [L39] unsigned char var_1_28 = 1; [L40] unsigned short int var_1_29 = 256; [L41] unsigned char var_1_30 = 1; [L125] isInitial = 1 [L126] FCALL initially() [L127] COND TRUE 1 [L128] FCALL updateLastVariables() [L129] CALL updateVariables() [L86] var_1_7 = __VERIFIER_nondet_uchar() [L87] CALL assume_abort_if_not(var_1_7 >= 1) VAL [\old(cond)=1, isInitial=1, var_1_13=4997/5, var_1_14=4017/40, var_1_15=27/8, var_1_16=159/10, var_1_17=-10, var_1_18=18060, var_1_1=1, var_1_20=0, var_1_21=4, var_1_23=0, var_1_24=0, var_1_25=100, var_1_26=32, var_1_27=10, var_1_28=1, var_1_29=256, var_1_30=1, var_1_7=1, var_1_8=1, var_1_9=-2] [L20] COND FALSE !(!cond) [L87] RET assume_abort_if_not(var_1_7 >= 1) VAL [isInitial=1, var_1_13=4997/5, var_1_14=4017/40, var_1_15=27/8, var_1_16=159/10, var_1_17=-10, var_1_18=18060, var_1_1=1, var_1_20=0, var_1_21=4, var_1_23=0, var_1_24=0, var_1_25=100, var_1_26=32, var_1_27=10, var_1_28=1, var_1_29=256, var_1_30=1, var_1_7=1, var_1_8=1, var_1_9=-2] [L88] CALL assume_abort_if_not(var_1_7 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_13=4997/5, var_1_14=4017/40, var_1_15=27/8, var_1_16=159/10, var_1_17=-10, var_1_18=18060, var_1_1=1, var_1_20=0, var_1_21=4, var_1_23=0, var_1_24=0, var_1_25=100, var_1_26=32, var_1_27=10, var_1_28=1, var_1_29=256, var_1_30=1, var_1_7=1, var_1_8=1, var_1_9=-2] [L20] COND FALSE !(!cond) [L88] RET assume_abort_if_not(var_1_7 <= 1) VAL [isInitial=1, var_1_13=4997/5, var_1_14=4017/40, var_1_15=27/8, var_1_16=159/10, var_1_17=-10, var_1_18=18060, var_1_1=1, var_1_20=0, var_1_21=4, var_1_23=0, var_1_24=0, var_1_25=100, var_1_26=32, var_1_27=10, var_1_28=1, var_1_29=256, var_1_30=1, var_1_7=1, var_1_8=1, var_1_9=-2] [L89] var_1_8 = __VERIFIER_nondet_uchar() [L90] CALL assume_abort_if_not(var_1_8 >= 1) VAL [\old(cond)=1, isInitial=1, var_1_13=4997/5, var_1_14=4017/40, var_1_15=27/8, var_1_16=159/10, var_1_17=-10, var_1_18=18060, var_1_1=1, var_1_20=0, var_1_21=4, var_1_23=0, var_1_24=0, var_1_25=100, var_1_26=32, var_1_27=10, var_1_28=1, var_1_29=256, var_1_30=1, var_1_7=1, var_1_8=1, var_1_9=-2] [L20] COND FALSE !(!cond) [L90] RET assume_abort_if_not(var_1_8 >= 1) VAL [isInitial=1, var_1_13=4997/5, var_1_14=4017/40, var_1_15=27/8, var_1_16=159/10, var_1_17=-10, var_1_18=18060, var_1_1=1, var_1_20=0, var_1_21=4, var_1_23=0, var_1_24=0, var_1_25=100, var_1_26=32, var_1_27=10, var_1_28=1, var_1_29=256, var_1_30=1, var_1_7=1, var_1_8=1, var_1_9=-2] [L91] CALL assume_abort_if_not(var_1_8 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_13=4997/5, var_1_14=4017/40, var_1_15=27/8, var_1_16=159/10, var_1_17=-10, var_1_18=18060, var_1_1=1, var_1_20=0, var_1_21=4, var_1_23=0, var_1_24=0, var_1_25=100, var_1_26=32, var_1_27=10, var_1_28=1, var_1_29=256, var_1_30=1, var_1_7=1, var_1_8=1, var_1_9=-2] [L20] COND FALSE !(!cond) [L91] RET assume_abort_if_not(var_1_8 <= 1) VAL [isInitial=1, var_1_13=4997/5, var_1_14=4017/40, var_1_15=27/8, var_1_16=159/10, var_1_17=-10, var_1_18=18060, var_1_1=1, var_1_20=0, var_1_21=4, var_1_23=0, var_1_24=0, var_1_25=100, var_1_26=32, var_1_27=10, var_1_28=1, var_1_29=256, var_1_30=1, var_1_7=1, var_1_8=1, var_1_9=-2] [L92] var_1_14 = __VERIFIER_nondet_float() [L93] CALL assume_abort_if_not((var_1_14 >= -461168.6018427382800e+13F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 4611686.018427382800e+12F && var_1_14 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_13=4997/5, var_1_15=27/8, var_1_16=159/10, var_1_17=-10, var_1_18=18060, var_1_1=1, var_1_20=0, var_1_21=4, var_1_23=0, var_1_24=0, var_1_25=100, var_1_26=32, var_1_27=10, var_1_28=1, var_1_29=256, var_1_30=1, var_1_7=1, var_1_8=1, var_1_9=-2] [L20] COND FALSE !(!cond) [L93] RET assume_abort_if_not((var_1_14 >= -461168.6018427382800e+13F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 4611686.018427382800e+12F && var_1_14 >= 1.0e-20F )) VAL [isInitial=1, var_1_13=4997/5, var_1_15=27/8, var_1_16=159/10, var_1_17=-10, var_1_18=18060, var_1_1=1, var_1_20=0, var_1_21=4, var_1_23=0, var_1_24=0, var_1_25=100, var_1_26=32, var_1_27=10, var_1_28=1, var_1_29=256, var_1_30=1, var_1_7=1, var_1_8=1, var_1_9=-2] [L94] var_1_15 = __VERIFIER_nondet_float() [L95] CALL assume_abort_if_not((var_1_15 >= -461168.6018427382800e+13F && var_1_15 <= -1.0e-20F) || (var_1_15 <= 4611686.018427382800e+12F && var_1_15 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_13=4997/5, var_1_16=159/10, var_1_17=-10, var_1_18=18060, var_1_1=1, var_1_20=0, var_1_21=4, var_1_23=0, var_1_24=0, var_1_25=100, var_1_26=32, var_1_27=10, var_1_28=1, var_1_29=256, var_1_30=1, var_1_7=1, var_1_8=1, var_1_9=-2] [L20] COND FALSE !(!cond) [L95] RET assume_abort_if_not((var_1_15 >= -461168.6018427382800e+13F && var_1_15 <= -1.0e-20F) || (var_1_15 <= 4611686.018427382800e+12F && var_1_15 >= 1.0e-20F )) VAL [isInitial=1, var_1_13=4997/5, var_1_16=159/10, var_1_17=-10, var_1_18=18060, var_1_1=1, var_1_20=0, var_1_21=4, var_1_23=0, var_1_24=0, var_1_25=100, var_1_26=32, var_1_27=10, var_1_28=1, var_1_29=256, var_1_30=1, var_1_7=1, var_1_8=1, var_1_9=-2] [L96] var_1_16 = __VERIFIER_nondet_float() [L97] CALL assume_abort_if_not((var_1_16 >= -922337.2036854765600e+13F && var_1_16 <= -1.0e-20F) || (var_1_16 <= 9223372.036854765600e+12F && var_1_16 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_13=4997/5, var_1_17=-10, var_1_18=18060, var_1_1=1, var_1_20=0, var_1_21=4, var_1_23=0, var_1_24=0, var_1_25=100, var_1_26=32, var_1_27=10, var_1_28=1, var_1_29=256, var_1_30=1, var_1_7=1, var_1_8=1, var_1_9=-2] [L20] COND FALSE !(!cond) [L97] RET assume_abort_if_not((var_1_16 >= -922337.2036854765600e+13F && var_1_16 <= -1.0e-20F) || (var_1_16 <= 9223372.036854765600e+12F && var_1_16 >= 1.0e-20F )) VAL [isInitial=1, var_1_13=4997/5, var_1_17=-10, var_1_18=18060, var_1_1=1, var_1_20=0, var_1_21=4, var_1_23=0, var_1_24=0, var_1_25=100, var_1_26=32, var_1_27=10, var_1_28=1, var_1_29=256, var_1_30=1, var_1_7=1, var_1_8=1, var_1_9=-2] [L98] var_1_18 = __VERIFIER_nondet_short() [L99] CALL assume_abort_if_not(var_1_18 >= 16382) VAL [\old(cond)=1, isInitial=1, var_1_13=4997/5, var_1_17=-10, var_1_18=32766, var_1_1=1, var_1_20=0, var_1_21=4, var_1_23=0, var_1_24=0, var_1_25=100, var_1_26=32, var_1_27=10, var_1_28=1, var_1_29=256, var_1_30=1, var_1_7=1, var_1_8=1, var_1_9=-2] [L20] COND FALSE !(!cond) [L99] RET assume_abort_if_not(var_1_18 >= 16382) VAL [isInitial=1, var_1_13=4997/5, var_1_17=-10, var_1_18=32766, var_1_1=1, var_1_20=0, var_1_21=4, var_1_23=0, var_1_24=0, var_1_25=100, var_1_26=32, var_1_27=10, var_1_28=1, var_1_29=256, var_1_30=1, var_1_7=1, var_1_8=1, var_1_9=-2] [L100] CALL assume_abort_if_not(var_1_18 <= 32766) VAL [\old(cond)=1, isInitial=1, var_1_13=4997/5, var_1_17=-10, var_1_18=32766, var_1_1=1, var_1_20=0, var_1_21=4, var_1_23=0, var_1_24=0, var_1_25=100, var_1_26=32, var_1_27=10, var_1_28=1, var_1_29=256, var_1_30=1, var_1_7=1, var_1_8=1, var_1_9=-2] [L20] COND FALSE !(!cond) [L100] RET assume_abort_if_not(var_1_18 <= 32766) VAL [isInitial=1, var_1_13=4997/5, var_1_17=-10, var_1_18=32766, var_1_1=1, var_1_20=0, var_1_21=4, var_1_23=0, var_1_24=0, var_1_25=100, var_1_26=32, var_1_27=10, var_1_28=1, var_1_29=256, var_1_30=1, var_1_7=1, var_1_8=1, var_1_9=-2] [L101] var_1_21 = __VERIFIER_nondet_ulong() [L102] CALL assume_abort_if_not(var_1_21 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_13=4997/5, var_1_17=-10, var_1_18=32766, var_1_1=1, var_1_20=0, var_1_23=0, var_1_24=0, var_1_25=100, var_1_26=32, var_1_27=10, var_1_28=1, var_1_29=256, var_1_30=1, var_1_7=1, var_1_8=1, var_1_9=-2] [L20] COND FALSE !(!cond) [L102] RET assume_abort_if_not(var_1_21 >= 0) VAL [isInitial=1, var_1_13=4997/5, var_1_17=-10, var_1_18=32766, var_1_1=1, var_1_20=0, var_1_23=0, var_1_24=0, var_1_25=100, var_1_26=32, var_1_27=10, var_1_28=1, var_1_29=256, var_1_30=1, var_1_7=1, var_1_8=1, var_1_9=-2] [L103] CALL assume_abort_if_not(var_1_21 <= 4294967295) VAL [\old(cond)=1, isInitial=1, var_1_13=4997/5, var_1_17=-10, var_1_18=32766, var_1_1=1, var_1_20=0, var_1_23=0, var_1_24=0, var_1_25=100, var_1_26=32, var_1_27=10, var_1_28=1, var_1_29=256, var_1_30=1, var_1_7=1, var_1_8=1, var_1_9=-2] [L20] COND FALSE !(!cond) [L103] RET assume_abort_if_not(var_1_21 <= 4294967295) VAL [isInitial=1, var_1_13=4997/5, var_1_17=-10, var_1_18=32766, var_1_1=1, var_1_20=0, var_1_23=0, var_1_24=0, var_1_25=100, var_1_26=32, var_1_27=10, var_1_28=1, var_1_29=256, var_1_30=1, var_1_7=1, var_1_8=1, var_1_9=-2] [L104] CALL assume_abort_if_not(var_1_21 != 0) VAL [\old(cond)=1, isInitial=1, var_1_13=4997/5, var_1_17=-10, var_1_18=32766, var_1_1=1, var_1_20=0, var_1_21=1, var_1_23=0, var_1_24=0, var_1_25=100, var_1_26=32, var_1_27=10, var_1_28=1, var_1_29=256, var_1_30=1, var_1_7=1, var_1_8=1, var_1_9=-2] [L20] COND FALSE !(!cond) [L104] RET assume_abort_if_not(var_1_21 != 0) VAL [isInitial=1, var_1_13=4997/5, var_1_17=-10, var_1_18=32766, var_1_1=1, var_1_20=0, var_1_21=1, var_1_23=0, var_1_24=0, var_1_25=100, var_1_26=32, var_1_27=10, var_1_28=1, var_1_29=256, var_1_30=1, var_1_7=1, var_1_8=1, var_1_9=-2] [L105] var_1_23 = __VERIFIER_nondet_uchar() [L106] CALL assume_abort_if_not(var_1_23 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_13=4997/5, var_1_17=-10, var_1_18=32766, var_1_1=1, var_1_20=0, var_1_21=1, var_1_24=0, var_1_25=100, var_1_26=32, var_1_27=10, var_1_28=1, var_1_29=256, var_1_30=1, var_1_7=1, var_1_8=1, var_1_9=-2] [L20] COND FALSE !(!cond) [L106] RET assume_abort_if_not(var_1_23 >= 0) VAL [isInitial=1, var_1_13=4997/5, var_1_17=-10, var_1_18=32766, var_1_1=1, var_1_20=0, var_1_21=1, var_1_24=0, var_1_25=100, var_1_26=32, var_1_27=10, var_1_28=1, var_1_29=256, var_1_30=1, var_1_7=1, var_1_8=1, var_1_9=-2] [L107] CALL assume_abort_if_not(var_1_23 <= 0) VAL [\old(cond)=1, isInitial=1, var_1_13=4997/5, var_1_17=-10, var_1_18=32766, var_1_1=1, var_1_20=0, var_1_21=1, var_1_23=0, var_1_24=0, var_1_25=100, var_1_26=32, var_1_27=10, var_1_28=1, var_1_29=256, var_1_30=1, var_1_7=1, var_1_8=1, var_1_9=-2] [L20] COND FALSE !(!cond) [L107] RET assume_abort_if_not(var_1_23 <= 0) VAL [isInitial=1, var_1_13=4997/5, var_1_17=-10, var_1_18=32766, var_1_1=1, var_1_20=0, var_1_21=1, var_1_23=0, var_1_24=0, var_1_25=100, var_1_26=32, var_1_27=10, var_1_28=1, var_1_29=256, var_1_30=1, var_1_7=1, var_1_8=1, var_1_9=-2] [L108] var_1_24 = __VERIFIER_nondet_uchar() [L109] CALL assume_abort_if_not(var_1_24 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_13=4997/5, var_1_17=-10, var_1_18=32766, var_1_1=1, var_1_20=0, var_1_21=1, var_1_23=0, var_1_25=100, var_1_26=32, var_1_27=10, var_1_28=1, var_1_29=256, var_1_30=1, var_1_7=1, var_1_8=1, var_1_9=-2] [L20] COND FALSE !(!cond) [L109] RET assume_abort_if_not(var_1_24 >= 0) VAL [isInitial=1, var_1_13=4997/5, var_1_17=-10, var_1_18=32766, var_1_1=1, var_1_20=0, var_1_21=1, var_1_23=0, var_1_25=100, var_1_26=32, var_1_27=10, var_1_28=1, var_1_29=256, var_1_30=1, var_1_7=1, var_1_8=1, var_1_9=-2] [L110] CALL assume_abort_if_not(var_1_24 <= 0) VAL [\old(cond)=1, isInitial=1, var_1_13=4997/5, var_1_17=-10, var_1_18=32766, var_1_1=1, var_1_20=0, var_1_21=1, var_1_23=0, var_1_24=0, var_1_25=100, var_1_26=32, var_1_27=10, var_1_28=1, var_1_29=256, var_1_30=1, var_1_7=1, var_1_8=1, var_1_9=-2] [L20] COND FALSE !(!cond) [L110] RET assume_abort_if_not(var_1_24 <= 0) VAL [isInitial=1, var_1_13=4997/5, var_1_17=-10, var_1_18=32766, var_1_1=1, var_1_20=0, var_1_21=1, var_1_23=0, var_1_24=0, var_1_25=100, var_1_26=32, var_1_27=10, var_1_28=1, var_1_29=256, var_1_30=1, var_1_7=1, var_1_8=1, var_1_9=-2] [L111] var_1_26 = __VERIFIER_nondet_uchar() [L112] CALL assume_abort_if_not(var_1_26 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_13=4997/5, var_1_17=-10, var_1_18=32766, var_1_1=1, var_1_20=0, var_1_21=1, var_1_23=0, var_1_24=0, var_1_25=100, var_1_27=10, var_1_28=1, var_1_29=256, var_1_30=1, var_1_7=1, var_1_8=1, var_1_9=-2] [L20] COND FALSE !(!cond) [L112] RET assume_abort_if_not(var_1_26 >= 0) VAL [isInitial=1, var_1_13=4997/5, var_1_17=-10, var_1_18=32766, var_1_1=1, var_1_20=0, var_1_21=1, var_1_23=0, var_1_24=0, var_1_25=100, var_1_27=10, var_1_28=1, var_1_29=256, var_1_30=1, var_1_7=1, var_1_8=1, var_1_9=-2] [L113] CALL assume_abort_if_not(var_1_26 <= 127) VAL [\old(cond)=1, isInitial=1, var_1_13=4997/5, var_1_17=-10, var_1_18=32766, var_1_1=1, var_1_20=0, var_1_21=1, var_1_23=0, var_1_24=0, var_1_25=100, var_1_26=1, var_1_27=10, var_1_28=1, var_1_29=256, var_1_30=1, var_1_7=1, var_1_8=1, var_1_9=-2] [L20] COND FALSE !(!cond) [L113] RET assume_abort_if_not(var_1_26 <= 127) VAL [isInitial=1, var_1_13=4997/5, var_1_17=-10, var_1_18=32766, var_1_1=1, var_1_20=0, var_1_21=1, var_1_23=0, var_1_24=0, var_1_25=100, var_1_26=1, var_1_27=10, var_1_28=1, var_1_29=256, var_1_30=1, var_1_7=1, var_1_8=1, var_1_9=-2] [L114] var_1_27 = __VERIFIER_nondet_uchar() [L115] CALL assume_abort_if_not(var_1_27 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_13=4997/5, var_1_17=-10, var_1_18=32766, var_1_1=1, var_1_20=0, var_1_21=1, var_1_23=0, var_1_24=0, var_1_25=100, var_1_26=1, var_1_28=1, var_1_29=256, var_1_30=1, var_1_7=1, var_1_8=1, var_1_9=-2] [L20] COND FALSE !(!cond) [L115] RET assume_abort_if_not(var_1_27 >= 0) VAL [isInitial=1, var_1_13=4997/5, var_1_17=-10, var_1_18=32766, var_1_1=1, var_1_20=0, var_1_21=1, var_1_23=0, var_1_24=0, var_1_25=100, var_1_26=1, var_1_28=1, var_1_29=256, var_1_30=1, var_1_7=1, var_1_8=1, var_1_9=-2] [L116] CALL assume_abort_if_not(var_1_27 <= 127) VAL [\old(cond)=1, isInitial=1, var_1_13=4997/5, var_1_17=-10, var_1_18=32766, var_1_1=1, var_1_20=0, var_1_21=1, var_1_23=0, var_1_24=0, var_1_25=100, var_1_26=1, var_1_27=0, var_1_28=1, var_1_29=256, var_1_30=1, var_1_7=1, var_1_8=1, var_1_9=-2] [L20] COND FALSE !(!cond) [L116] RET assume_abort_if_not(var_1_27 <= 127) VAL [isInitial=1, var_1_13=4997/5, var_1_17=-10, var_1_18=32766, var_1_1=1, var_1_20=0, var_1_21=1, var_1_23=0, var_1_24=0, var_1_25=100, var_1_26=1, var_1_27=0, var_1_28=1, var_1_29=256, var_1_30=1, var_1_7=1, var_1_8=1, var_1_9=-2] [L129] RET updateVariables() [L130] CALL step() [L45] COND TRUE \read(var_1_8) [L46] var_1_13 = (((((var_1_14 + var_1_15)) < (((((-0.2f) < (var_1_16)) ? (-0.2f) : (var_1_16))))) ? ((var_1_14 + var_1_15)) : (((((-0.2f) < (var_1_16)) ? (-0.2f) : (var_1_16)))))) [L48] COND TRUE \read(var_1_8) [L49] var_1_25 = (var_1_26 + var_1_27) [L51] var_1_29 = var_1_27 [L52] var_1_30 = var_1_8 [L53] COND FALSE !((var_1_29 > var_1_25) && var_1_30) [L56] var_1_9 = ((((var_1_25) > ((((((var_1_25 - 10)) < (var_1_25)) ? ((var_1_25 - 10)) : (var_1_25))))) ? (var_1_25) : ((((((var_1_25 - 10)) < (var_1_25)) ? ((var_1_25 - 10)) : (var_1_25)))))) [L58] var_1_17 = ((var_1_18 - 25) - var_1_25) [L59] signed long int stepLocal_2 = var_1_25 + var_1_17; [L60] COND TRUE ((var_1_18 % var_1_21) & ((((1u) < 0 ) ? -(1u) : (1u)))) < stepLocal_2 [L61] var_1_20 = (var_1_23 || var_1_24) [L65] signed short int stepLocal_3 = var_1_9; [L66] COND FALSE !((~ var_1_29) > stepLocal_3) [L69] var_1_28 = (var_1_20 || ((! var_1_23) && (var_1_24 || var_1_7))) [L71] signed long int stepLocal_1 = (((var_1_9) > (var_1_25)) ? (var_1_9) : (var_1_25)); [L72] unsigned char stepLocal_0 = var_1_25; [L73] COND FALSE !(stepLocal_1 <= (var_1_25 - var_1_25)) [L82] var_1_1 = 0 [L130] RET step() [L131] CALL, EXPR property() [L121-L122] return (((((((((((((var_1_9) > (var_1_25)) ? (var_1_9) : (var_1_25))) <= (var_1_25 - var_1_25)) ? ((var_1_25 < var_1_25) ? (var_1_20 ? (var_1_1 == ((unsigned char) var_1_7)) : (var_1_1 == ((unsigned char) var_1_8))) : 1) : (var_1_1 == ((unsigned char) 0))) && (((var_1_29 > var_1_25) && var_1_30) ? (var_1_9 == ((signed short int) var_1_25)) : (var_1_9 == ((signed short int) ((((var_1_25) > ((((((var_1_25 - 10)) < (var_1_25)) ? ((var_1_25 - 10)) : (var_1_25))))) ? (var_1_25) : ((((((var_1_25 - 10)) < (var_1_25)) ? ((var_1_25 - 10)) : (var_1_25)))))))))) && (var_1_8 ? (var_1_13 == ((float) (((((var_1_14 + var_1_15)) < (((((-0.2f) < (var_1_16)) ? (-0.2f) : (var_1_16))))) ? ((var_1_14 + var_1_15)) : (((((-0.2f) < (var_1_16)) ? (-0.2f) : (var_1_16)))))))) : 1)) && (var_1_17 == ((signed short int) ((var_1_18 - 25) - var_1_25)))) && ((((var_1_18 % var_1_21) & ((((1u) < 0 ) ? -(1u) : (1u)))) < (var_1_25 + var_1_17)) ? (var_1_20 == ((unsigned char) (var_1_23 || var_1_24))) : (var_1_20 == ((unsigned char) var_1_7)))) && (var_1_8 ? (var_1_25 == ((unsigned char) (var_1_26 + var_1_27))) : 1)) && (((~ var_1_29) > var_1_9) ? (var_1_28 == ((unsigned char) (! var_1_7))) : (var_1_28 == ((unsigned char) (var_1_20 || ((! var_1_23) && (var_1_24 || var_1_7))))))) && (var_1_29 == ((unsigned short int) var_1_27))) && (var_1_30 == ((unsigned char) var_1_8)) ; [L131] RET, EXPR property() [L131] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, var_1_13=2, var_1_16=0, var_1_17=32740, var_1_18=32766, var_1_1=0, var_1_20=0, var_1_21=1, var_1_23=0, var_1_24=0, var_1_25=1, var_1_26=1, var_1_27=0, var_1_28=1, var_1_29=0, var_1_30=1, var_1_7=1, var_1_8=1, var_1_9=1] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, var_1_13=2, var_1_16=0, var_1_17=32740, var_1_18=32766, var_1_1=0, var_1_20=0, var_1_21=1, var_1_23=0, var_1_24=0, var_1_25=1, var_1_26=1, var_1_27=0, var_1_28=1, var_1_29=0, var_1_30=1, var_1_7=1, var_1_8=1, var_1_9=1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 40 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.8s, OverallIterations: 1, TraceHistogramMax: 20, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=40occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 1.2s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 75 NumberOfCodeBlocks, 75 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-12-02 16:22:04,625 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8bcbdd9-79d6-4cb4-88ab-a04c2733b641/bin/utaipan-verify-nQ1chXbOIh/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-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8bcbdd9-79d6-4cb4-88ab-a04c2733b641/bin/utaipan-verify-nQ1chXbOIh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8bcbdd9-79d6-4cb4-88ab-a04c2733b641/bin/utaipan-verify-nQ1chXbOIh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8bcbdd9-79d6-4cb4-88ab-a04c2733b641/bin/utaipan-verify-nQ1chXbOIh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8bcbdd9-79d6-4cb4-88ab-a04c2733b641/bin/utaipan-verify-nQ1chXbOIh/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-50.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8bcbdd9-79d6-4cb4-88ab-a04c2733b641/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8bcbdd9-79d6-4cb4-88ab-a04c2733b641/bin/utaipan-verify-nQ1chXbOIh --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 ca3c37a23d0b2e25a10d40f4c34df67d19b215be8669fab5b38c7ed8f9e11318 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 16:22:06,620 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 16:22:06,697 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8bcbdd9-79d6-4cb4-88ab-a04c2733b641/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2023-12-02 16:22:06,703 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 16:22:06,704 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-02 16:22:06,732 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 16:22:06,733 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-02 16:22:06,734 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-02 16:22:06,734 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 16:22:06,735 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-02 16:22:06,736 INFO L153 SettingsManager]: * User list type=DISABLED [2023-12-02 16:22:06,736 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-12-02 16:22:06,737 INFO L153 SettingsManager]: * Explicit value domain=true [2023-12-02 16:22:06,737 INFO L153 SettingsManager]: * Octagon Domain=false [2023-12-02 16:22:06,738 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-12-02 16:22:06,738 INFO L153 SettingsManager]: * Interval Domain=false [2023-12-02 16:22:06,739 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 16:22:06,740 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 16:22:06,740 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 16:22:06,741 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 16:22:06,741 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 16:22:06,742 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 16:22:06,742 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 16:22:06,743 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 16:22:06,743 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-02 16:22:06,743 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-02 16:22:06,744 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-02 16:22:06,744 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 16:22:06,745 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 16:22:06,745 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 16:22:06,746 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 16:22:06,746 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-02 16:22:06,746 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-02 16:22:06,746 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-02 16:22:06,747 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 16:22:06,747 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 16:22:06,747 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 16:22:06,747 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 16:22:06,748 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-02 16:22:06,748 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 16:22:06,748 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-02 16:22:06,748 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 16:22:06,749 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-12-02 16:22:06,749 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 16:22:06,749 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_b8bcbdd9-79d6-4cb4-88ab-a04c2733b641/bin/utaipan-verify-nQ1chXbOIh/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8bcbdd9-79d6-4cb4-88ab-a04c2733b641/bin/utaipan-verify-nQ1chXbOIh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ca3c37a23d0b2e25a10d40f4c34df67d19b215be8669fab5b38c7ed8f9e11318 [2023-12-02 16:22:07,041 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 16:22:07,062 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 16:22:07,065 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 16:22:07,066 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 16:22:07,067 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 16:22:07,068 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8bcbdd9-79d6-4cb4-88ab-a04c2733b641/bin/utaipan-verify-nQ1chXbOIh/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-50.i [2023-12-02 16:22:09,893 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 16:22:10,115 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 16:22:10,116 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8bcbdd9-79d6-4cb4-88ab-a04c2733b641/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-50.i [2023-12-02 16:22:10,127 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8bcbdd9-79d6-4cb4-88ab-a04c2733b641/bin/utaipan-verify-nQ1chXbOIh/data/8d9618fa8/f7b45e2d63fd4ca2a5b7c6eba676a4fe/FLAG3b58234da [2023-12-02 16:22:10,142 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8bcbdd9-79d6-4cb4-88ab-a04c2733b641/bin/utaipan-verify-nQ1chXbOIh/data/8d9618fa8/f7b45e2d63fd4ca2a5b7c6eba676a4fe [2023-12-02 16:22:10,144 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 16:22:10,145 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 16:22:10,146 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 16:22:10,147 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 16:22:10,151 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 16:22:10,151 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 04:22:10" (1/1) ... [2023-12-02 16:22:10,153 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3be57ff8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:22:10, skipping insertion in model container [2023-12-02 16:22:10,153 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 04:22:10" (1/1) ... [2023-12-02 16:22:10,182 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 16:22:10,312 WARN L240 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_b8bcbdd9-79d6-4cb4-88ab-a04c2733b641/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-50.i[915,928] [2023-12-02 16:22:10,369 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 16:22:10,386 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 16:22:10,397 WARN L240 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_b8bcbdd9-79d6-4cb4-88ab-a04c2733b641/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-50.i[915,928] [2023-12-02 16:22:10,429 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 16:22:10,447 INFO L206 MainTranslator]: Completed translation [2023-12-02 16:22:10,447 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:22:10 WrapperNode [2023-12-02 16:22:10,447 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 16:22:10,448 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 16:22:10,448 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 16:22:10,448 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 16:22:10,454 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:22:10" (1/1) ... [2023-12-02 16:22:10,467 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:22:10" (1/1) ... [2023-12-02 16:22:10,498 INFO L138 Inliner]: procedures = 27, calls = 33, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 133 [2023-12-02 16:22:10,499 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 16:22:10,500 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 16:22:10,500 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 16:22:10,500 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 16:22:10,507 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:22:10" (1/1) ... [2023-12-02 16:22:10,508 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:22:10" (1/1) ... [2023-12-02 16:22:10,513 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:22:10" (1/1) ... [2023-12-02 16:22:10,514 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:22:10" (1/1) ... [2023-12-02 16:22:10,526 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:22:10" (1/1) ... [2023-12-02 16:22:10,531 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:22:10" (1/1) ... [2023-12-02 16:22:10,534 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:22:10" (1/1) ... [2023-12-02 16:22:10,536 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:22:10" (1/1) ... [2023-12-02 16:22:10,541 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 16:22:10,543 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 16:22:10,543 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 16:22:10,543 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 16:22:10,544 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:22:10" (1/1) ... [2023-12-02 16:22:10,555 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 16:22:10,573 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8bcbdd9-79d6-4cb4-88ab-a04c2733b641/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 16:22:10,587 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8bcbdd9-79d6-4cb4-88ab-a04c2733b641/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-12-02 16:22:10,593 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8bcbdd9-79d6-4cb4-88ab-a04c2733b641/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-12-02 16:22:10,628 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 16:22:10,628 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-02 16:22:10,628 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-02 16:22:10,628 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-02 16:22:10,629 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 16:22:10,629 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 16:22:10,718 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 16:22:10,721 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 16:22:11,452 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 16:22:11,506 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 16:22:11,506 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-02 16:22:11,507 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 04:22:11 BoogieIcfgContainer [2023-12-02 16:22:11,507 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 16:22:11,509 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-02 16:22:11,509 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-02 16:22:11,512 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-02 16:22:11,513 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 04:22:10" (1/3) ... [2023-12-02 16:22:11,513 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@578b7087 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 04:22:11, skipping insertion in model container [2023-12-02 16:22:11,513 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:22:10" (2/3) ... [2023-12-02 16:22:11,514 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@578b7087 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 04:22:11, skipping insertion in model container [2023-12-02 16:22:11,514 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 04:22:11" (3/3) ... [2023-12-02 16:22:11,515 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_50-while_file-50.i [2023-12-02 16:22:11,532 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-02 16:22:11,532 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-02 16:22:11,576 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-02 16:22:11,582 INFO L357 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, mHoare=true, 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;@45b8e015, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-02 16:22:11,582 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-02 16:22:11,586 INFO L276 IsEmpty]: Start isEmpty. Operand has 56 states, 33 states have (on average 1.393939393939394) internal successors, (46), 34 states have internal predecessors, (46), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2023-12-02 16:22:11,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2023-12-02 16:22:11,598 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 16:22:11,599 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 16:22:11,600 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 16:22:11,604 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 16:22:11,604 INFO L85 PathProgramCache]: Analyzing trace with hash -1127690636, now seen corresponding path program 1 times [2023-12-02 16:22:11,616 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 16:22:11,616 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1316993681] [2023-12-02 16:22:11,616 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 16:22:11,617 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 [2023-12-02 16:22:11,617 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8bcbdd9-79d6-4cb4-88ab-a04c2733b641/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 16:22:11,618 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8bcbdd9-79d6-4cb4-88ab-a04c2733b641/bin/utaipan-verify-nQ1chXbOIh/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) [2023-12-02 16:22:11,623 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8bcbdd9-79d6-4cb4-88ab-a04c2733b641/bin/utaipan-verify-nQ1chXbOIh/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 [2023-12-02 16:22:11,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 16:22:11,919 INFO L262 TraceCheckSpWp]: Trace formula consists of 211 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 16:22:11,930 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 16:22:11,972 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 722 trivial. 0 not checked. [2023-12-02 16:22:11,973 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 16:22:11,973 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 16:22:11,974 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1316993681] [2023-12-02 16:22:11,974 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1316993681] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 16:22:11,974 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 16:22:11,975 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-02 16:22:11,976 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1100915100] [2023-12-02 16:22:11,976 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 16:22:11,981 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-12-02 16:22:11,981 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 16:22:12,006 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-12-02 16:22:12,007 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-02 16:22:12,009 INFO L87 Difference]: Start difference. First operand has 56 states, 33 states have (on average 1.393939393939394) internal successors, (46), 34 states have internal predecessors, (46), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) Second operand has 2 states, 2 states have (on average 15.5) internal successors, (31), 2 states have internal predecessors, (31), 1 states have call successors, (20), 1 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 1 states have call successors, (20) [2023-12-02 16:22:12,173 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 16:22:12,173 INFO L93 Difference]: Finished difference Result 109 states and 190 transitions. [2023-12-02 16:22:12,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 16:22:12,183 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 15.5) internal successors, (31), 2 states have internal predecessors, (31), 1 states have call successors, (20), 1 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 1 states have call successors, (20) Word has length 126 [2023-12-02 16:22:12,184 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 16:22:12,192 INFO L225 Difference]: With dead ends: 109 [2023-12-02 16:22:12,193 INFO L226 Difference]: Without dead ends: 54 [2023-12-02 16:22:12,197 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 125 GetRequests, 125 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-02 16:22:12,200 INFO L413 NwaCegarLoop]: 78 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 78 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-02 16:22:12,201 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 78 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-02 16:22:12,215 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states. [2023-12-02 16:22:12,238 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 54. [2023-12-02 16:22:12,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54 states, 32 states have (on average 1.28125) internal successors, (41), 32 states have internal predecessors, (41), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2023-12-02 16:22:12,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 81 transitions. [2023-12-02 16:22:12,244 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 81 transitions. Word has length 126 [2023-12-02 16:22:12,244 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 16:22:12,244 INFO L495 AbstractCegarLoop]: Abstraction has 54 states and 81 transitions. [2023-12-02 16:22:12,245 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 15.5) internal successors, (31), 2 states have internal predecessors, (31), 1 states have call successors, (20), 1 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 1 states have call successors, (20) [2023-12-02 16:22:12,245 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 81 transitions. [2023-12-02 16:22:12,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2023-12-02 16:22:12,248 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 16:22:12,249 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 16:22:12,259 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8bcbdd9-79d6-4cb4-88ab-a04c2733b641/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2023-12-02 16:22:12,449 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8bcbdd9-79d6-4cb4-88ab-a04c2733b641/bin/utaipan-verify-nQ1chXbOIh/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 [2023-12-02 16:22:12,450 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 16:22:12,451 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 16:22:12,451 INFO L85 PathProgramCache]: Analyzing trace with hash 1913660720, now seen corresponding path program 1 times [2023-12-02 16:22:12,451 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 16:22:12,452 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [308167369] [2023-12-02 16:22:12,452 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 16:22:12,452 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 [2023-12-02 16:22:12,452 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8bcbdd9-79d6-4cb4-88ab-a04c2733b641/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 16:22:12,453 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8bcbdd9-79d6-4cb4-88ab-a04c2733b641/bin/utaipan-verify-nQ1chXbOIh/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) [2023-12-02 16:22:12,454 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8bcbdd9-79d6-4cb4-88ab-a04c2733b641/bin/utaipan-verify-nQ1chXbOIh/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 [2023-12-02 16:22:12,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 16:22:12,804 INFO L262 TraceCheckSpWp]: Trace formula consists of 211 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 16:22:12,809 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 16:22:12,989 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2023-12-02 16:22:12,990 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 16:22:12,990 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 16:22:12,990 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [308167369] [2023-12-02 16:22:12,990 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [308167369] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 16:22:12,991 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 16:22:12,991 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-02 16:22:12,991 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1187439018] [2023-12-02 16:22:12,991 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 16:22:12,993 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-02 16:22:12,993 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 16:22:12,994 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-02 16:22:12,994 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-02 16:22:12,994 INFO L87 Difference]: Start difference. First operand 54 states and 81 transitions. Second operand has 4 states, 4 states have (on average 7.25) internal successors, (29), 4 states have internal predecessors, (29), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2023-12-02 16:22:13,247 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 16:22:13,247 INFO L93 Difference]: Finished difference Result 147 states and 223 transitions. [2023-12-02 16:22:13,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 16:22:13,248 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.25) internal successors, (29), 4 states have internal predecessors, (29), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 126 [2023-12-02 16:22:13,250 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 16:22:13,252 INFO L225 Difference]: With dead ends: 147 [2023-12-02 16:22:13,252 INFO L226 Difference]: Without dead ends: 94 [2023-12-02 16:22:13,253 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 126 GetRequests, 123 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-12-02 16:22:13,255 INFO L413 NwaCegarLoop]: 135 mSDtfsCounter, 83 mSDsluCounter, 186 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 83 SdHoareTripleChecker+Valid, 321 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-02 16:22:13,255 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [83 Valid, 321 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-02 16:22:13,257 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94 states. [2023-12-02 16:22:13,269 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94 to 54. [2023-12-02 16:22:13,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54 states, 32 states have (on average 1.25) internal successors, (40), 32 states have internal predecessors, (40), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2023-12-02 16:22:13,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 80 transitions. [2023-12-02 16:22:13,272 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 80 transitions. Word has length 126 [2023-12-02 16:22:13,274 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 16:22:13,274 INFO L495 AbstractCegarLoop]: Abstraction has 54 states and 80 transitions. [2023-12-02 16:22:13,274 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.25) internal successors, (29), 4 states have internal predecessors, (29), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2023-12-02 16:22:13,274 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 80 transitions. [2023-12-02 16:22:13,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2023-12-02 16:22:13,277 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 16:22:13,277 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 16:22:13,286 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8bcbdd9-79d6-4cb4-88ab-a04c2733b641/bin/utaipan-verify-nQ1chXbOIh/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 [2023-12-02 16:22:13,483 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8bcbdd9-79d6-4cb4-88ab-a04c2733b641/bin/utaipan-verify-nQ1chXbOIh/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 [2023-12-02 16:22:13,484 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 16:22:13,484 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 16:22:13,484 INFO L85 PathProgramCache]: Analyzing trace with hash 1970919022, now seen corresponding path program 1 times [2023-12-02 16:22:13,485 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 16:22:13,485 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [626552799] [2023-12-02 16:22:13,485 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 16:22:13,485 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 [2023-12-02 16:22:13,485 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8bcbdd9-79d6-4cb4-88ab-a04c2733b641/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 16:22:13,486 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8bcbdd9-79d6-4cb4-88ab-a04c2733b641/bin/utaipan-verify-nQ1chXbOIh/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) [2023-12-02 16:22:13,487 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8bcbdd9-79d6-4cb4-88ab-a04c2733b641/bin/utaipan-verify-nQ1chXbOIh/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 [2023-12-02 16:22:13,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 16:22:13,800 INFO L262 TraceCheckSpWp]: Trace formula consists of 211 conjuncts, 27 conjunts are in the unsatisfiable core [2023-12-02 16:22:13,811 INFO L285 TraceCheckSpWp]: Computing forward predicates...