./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-79.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_054cb399-425f-40f2-a743-1edcfa71cff8/bin/utaipan-verify-nQ1chXbOIh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_054cb399-425f-40f2-a743-1edcfa71cff8/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_054cb399-425f-40f2-a743-1edcfa71cff8/bin/utaipan-verify-nQ1chXbOIh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_054cb399-425f-40f2-a743-1edcfa71cff8/bin/utaipan-verify-nQ1chXbOIh/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-79.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_054cb399-425f-40f2-a743-1edcfa71cff8/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_054cb399-425f-40f2-a743-1edcfa71cff8/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 6bbbe2cee8f4695a581c4f71225dc72ba731151283bb1ceb687623e1d215afc7 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 13:49:25,042 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 13:49:25,101 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_054cb399-425f-40f2-a743-1edcfa71cff8/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-12-02 13:49:25,106 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 13:49:25,106 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-02 13:49:25,127 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 13:49:25,127 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-02 13:49:25,128 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-02 13:49:25,128 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 13:49:25,129 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-02 13:49:25,129 INFO L153 SettingsManager]: * User list type=DISABLED [2023-12-02 13:49:25,130 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-12-02 13:49:25,130 INFO L153 SettingsManager]: * Explicit value domain=true [2023-12-02 13:49:25,131 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-12-02 13:49:25,131 INFO L153 SettingsManager]: * Octagon Domain=false [2023-12-02 13:49:25,132 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-12-02 13:49:25,133 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-12-02 13:49:25,133 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-12-02 13:49:25,133 INFO L153 SettingsManager]: * Interval Domain=false [2023-12-02 13:49:25,134 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-12-02 13:49:25,134 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-12-02 13:49:25,135 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-12-02 13:49:25,136 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 13:49:25,136 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 13:49:25,137 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 13:49:25,137 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 13:49:25,137 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 13:49:25,138 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 13:49:25,138 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 13:49:25,139 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 13:49:25,139 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 13:49:25,139 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 13:49:25,139 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 13:49:25,140 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 13:49:25,140 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 13:49:25,140 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-02 13:49:25,140 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-02 13:49:25,140 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 13:49:25,141 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 13:49:25,141 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 13:49:25,141 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 13:49:25,141 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-12-02 13:49:25,142 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 13:49:25,142 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-02 13:49:25,142 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 13:49:25,142 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-12-02 13:49:25,142 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 13:49:25,143 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_054cb399-425f-40f2-a743-1edcfa71cff8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_054cb399-425f-40f2-a743-1edcfa71cff8/bin/utaipan-verify-nQ1chXbOIh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6bbbe2cee8f4695a581c4f71225dc72ba731151283bb1ceb687623e1d215afc7 [2023-12-02 13:49:25,340 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 13:49:25,362 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 13:49:25,365 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 13:49:25,366 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 13:49:25,367 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 13:49:25,368 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_054cb399-425f-40f2-a743-1edcfa71cff8/bin/utaipan-verify-nQ1chXbOIh/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-79.i [2023-12-02 13:49:28,121 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 13:49:28,315 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 13:49:28,316 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_054cb399-425f-40f2-a743-1edcfa71cff8/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-79.i [2023-12-02 13:49:28,326 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_054cb399-425f-40f2-a743-1edcfa71cff8/bin/utaipan-verify-nQ1chXbOIh/data/19b88a7bc/b8ea9eaca8ee4c8690c179daa41ea8ed/FLAGeffe9c442 [2023-12-02 13:49:28,341 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_054cb399-425f-40f2-a743-1edcfa71cff8/bin/utaipan-verify-nQ1chXbOIh/data/19b88a7bc/b8ea9eaca8ee4c8690c179daa41ea8ed [2023-12-02 13:49:28,343 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 13:49:28,345 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 13:49:28,346 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 13:49:28,346 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 13:49:28,351 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 13:49:28,352 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 01:49:28" (1/1) ... [2023-12-02 13:49:28,352 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@63c33c06 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:49:28, skipping insertion in model container [2023-12-02 13:49:28,353 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 01:49:28" (1/1) ... [2023-12-02 13:49:28,384 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 13:49:28,527 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_054cb399-425f-40f2-a743-1edcfa71cff8/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-79.i[915,928] [2023-12-02 13:49:28,591 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 13:49:28,603 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 13:49:28,616 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_054cb399-425f-40f2-a743-1edcfa71cff8/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-79.i[915,928] [2023-12-02 13:49:28,651 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 13:49:28,668 INFO L206 MainTranslator]: Completed translation [2023-12-02 13:49:28,669 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:49:28 WrapperNode [2023-12-02 13:49:28,669 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 13:49:28,670 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 13:49:28,670 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 13:49:28,670 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 13:49:28,678 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:49:28" (1/1) ... [2023-12-02 13:49:28,691 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:49:28" (1/1) ... [2023-12-02 13:49:28,730 INFO L138 Inliner]: procedures = 26, calls = 38, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 163 [2023-12-02 13:49:28,730 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 13:49:28,731 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 13:49:28,731 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 13:49:28,731 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 13:49:28,741 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:49:28" (1/1) ... [2023-12-02 13:49:28,741 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:49:28" (1/1) ... [2023-12-02 13:49:28,745 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:49:28" (1/1) ... [2023-12-02 13:49:28,745 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:49:28" (1/1) ... [2023-12-02 13:49:28,760 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:49:28" (1/1) ... [2023-12-02 13:49:28,764 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:49:28" (1/1) ... [2023-12-02 13:49:28,767 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:49:28" (1/1) ... [2023-12-02 13:49:28,769 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:49:28" (1/1) ... [2023-12-02 13:49:28,774 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 13:49:28,775 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 13:49:28,775 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 13:49:28,775 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 13:49:28,776 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:49:28" (1/1) ... [2023-12-02 13:49:28,782 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 13:49:28,794 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_054cb399-425f-40f2-a743-1edcfa71cff8/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 13:49:28,807 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_054cb399-425f-40f2-a743-1edcfa71cff8/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-12-02 13:49:28,809 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_054cb399-425f-40f2-a743-1edcfa71cff8/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-12-02 13:49:28,833 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 13:49:28,833 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-02 13:49:28,833 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-02 13:49:28,834 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 13:49:28,834 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 13:49:28,834 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 13:49:28,927 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 13:49:28,928 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 13:49:29,235 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 13:49:29,368 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 13:49:29,368 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-02 13:49:29,370 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 01:49:29 BoogieIcfgContainer [2023-12-02 13:49:29,370 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 13:49:29,373 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-02 13:49:29,373 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-02 13:49:29,376 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-02 13:49:29,376 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 01:49:28" (1/3) ... [2023-12-02 13:49:29,377 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@429ab37b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 01:49:29, skipping insertion in model container [2023-12-02 13:49:29,377 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:49:28" (2/3) ... [2023-12-02 13:49:29,377 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@429ab37b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 01:49:29, skipping insertion in model container [2023-12-02 13:49:29,378 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 01:49:29" (3/3) ... [2023-12-02 13:49:29,379 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_50-while_file-79.i [2023-12-02 13:49:29,398 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-02 13:49:29,399 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-02 13:49:29,447 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-02 13:49:29,452 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;@560b425c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-02 13:49:29,452 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-02 13:49:29,456 INFO L276 IsEmpty]: Start isEmpty. Operand has 50 states, 22 states have (on average 1.1363636363636365) internal successors, (25), 23 states have internal predecessors, (25), 25 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2023-12-02 13:49:29,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2023-12-02 13:49:29,465 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 13:49:29,466 INFO L195 NwaCegarLoop]: trace histogram [25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:49:29,466 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 13:49:29,470 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 13:49:29,471 INFO L85 PathProgramCache]: Analyzing trace with hash 208034378, now seen corresponding path program 1 times [2023-12-02 13:49:29,478 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 13:49:29,478 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1477132237] [2023-12-02 13:49:29,479 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:49:29,479 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 13:49:29,616 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-02 13:49:29,617 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [38399564] [2023-12-02 13:49:29,617 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:49:29,617 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 13:49:29,618 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_054cb399-425f-40f2-a743-1edcfa71cff8/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 13:49:29,622 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_054cb399-425f-40f2-a743-1edcfa71cff8/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 13:49:29,624 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_054cb399-425f-40f2-a743-1edcfa71cff8/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-12-02 13:49:30,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 13:49:30,000 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 13:49:30,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 13:49:30,271 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-12-02 13:49:30,273 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-12-02 13:49:30,275 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-02 13:49:30,287 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_054cb399-425f-40f2-a743-1edcfa71cff8/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-12-02 13:49:30,477 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_054cb399-425f-40f2-a743-1edcfa71cff8/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-12-02 13:49:30,483 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-12-02 13:49:30,486 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-12-02 13:49:30,581 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 01:49:30 BoogieIcfgContainer [2023-12-02 13:49:30,581 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-02 13:49:30,582 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-02 13:49:30,582 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-02 13:49:30,582 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-02 13:49:30,582 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 01:49:29" (3/4) ... [2023-12-02 13:49:30,584 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-02 13:49:30,585 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-02 13:49:30,586 INFO L158 Benchmark]: Toolchain (without parser) took 2241.24ms. Allocated memory was 142.6MB in the beginning and 172.0MB in the end (delta: 29.4MB). Free memory was 100.9MB in the beginning and 123.3MB in the end (delta: -22.4MB). Peak memory consumption was 8.2MB. Max. memory is 16.1GB. [2023-12-02 13:49:30,587 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 104.9MB. Free memory is still 53.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 13:49:30,587 INFO L158 Benchmark]: CACSL2BoogieTranslator took 323.27ms. Allocated memory is still 142.6MB. Free memory was 100.9MB in the beginning and 86.2MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-12-02 13:49:30,588 INFO L158 Benchmark]: Boogie Procedure Inliner took 60.36ms. Allocated memory is still 142.6MB. Free memory was 86.2MB in the beginning and 82.0MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-12-02 13:49:30,588 INFO L158 Benchmark]: Boogie Preprocessor took 43.32ms. Allocated memory is still 142.6MB. Free memory was 82.0MB in the beginning and 79.5MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 13:49:30,589 INFO L158 Benchmark]: RCFGBuilder took 595.22ms. Allocated memory is still 142.6MB. Free memory was 79.5MB in the beginning and 82.0MB in the end (delta: -2.5MB). Peak memory consumption was 15.9MB. Max. memory is 16.1GB. [2023-12-02 13:49:30,590 INFO L158 Benchmark]: TraceAbstraction took 1208.37ms. Allocated memory was 142.6MB in the beginning and 172.0MB in the end (delta: 29.4MB). Free memory was 80.9MB in the beginning and 123.3MB in the end (delta: -42.4MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 13:49:30,590 INFO L158 Benchmark]: Witness Printer took 3.62ms. Allocated memory is still 172.0MB. Free memory is still 123.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 13:49:30,593 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 104.9MB. Free memory is still 53.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 323.27ms. Allocated memory is still 142.6MB. Free memory was 100.9MB in the beginning and 86.2MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 60.36ms. Allocated memory is still 142.6MB. Free memory was 86.2MB in the beginning and 82.0MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 43.32ms. Allocated memory is still 142.6MB. Free memory was 82.0MB in the beginning and 79.5MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 595.22ms. Allocated memory is still 142.6MB. Free memory was 79.5MB in the beginning and 82.0MB in the end (delta: -2.5MB). Peak memory consumption was 15.9MB. Max. memory is 16.1GB. * TraceAbstraction took 1208.37ms. Allocated memory was 142.6MB in the beginning and 172.0MB in the end (delta: 29.4MB). Free memory was 80.9MB in the beginning and 123.3MB in the end (delta: -42.4MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 3.62ms. Allocated memory is still 172.0MB. Free memory is still 123.3MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 71, overapproximation of someBinaryFLOATComparisonOperation at line 145, overapproximation of someUnaryDOUBLEoperation at line 73. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed short int var_1_1 = 2; [L23] unsigned char var_1_2 = 1; [L24] unsigned char var_1_3 = 0; [L25] unsigned char var_1_7 = 50; [L26] unsigned char var_1_8 = 0; [L27] double var_1_9 = 127.625; [L28] double var_1_10 = 256.8; [L29] double var_1_11 = 0.30000000000000004; [L30] signed long int var_1_12 = -2; [L31] double var_1_13 = 2.475; [L32] double var_1_14 = 25.2; [L33] double var_1_15 = 500.125; [L34] double var_1_16 = 10.75; [L35] double var_1_17 = 255.4; [L36] unsigned char var_1_18 = 1; [L37] unsigned char var_1_19 = 0; [L38] unsigned char var_1_20 = 100; [L39] unsigned char var_1_21 = 128; [L40] unsigned char var_1_22 = 0; [L41] unsigned char var_1_23 = 1; [L42] unsigned char var_1_24 = 8; [L43] unsigned char var_1_25 = 10; [L44] float var_1_26 = 16.8; [L45] unsigned long int var_1_27 = 64; [L46] unsigned char last_1_var_1_18 = 1; [L47] unsigned char last_1_var_1_20 = 100; [L149] isInitial = 1 [L150] FCALL initially() [L151] COND TRUE 1 [L152] CALL updateLastVariables() [L141] last_1_var_1_18 = var_1_18 [L142] last_1_var_1_20 = var_1_20 [L152] RET updateLastVariables() [L153] CALL updateVariables() [L98] var_1_2 = __VERIFIER_nondet_uchar() [L99] CALL assume_abort_if_not(var_1_2 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=1, last_1_var_1_20=100, var_1_10=1284/5, var_1_11=7500000000000001/25000000000000000, var_1_12=-2, var_1_13=99/40, var_1_14=126/5, var_1_15=4001/8, var_1_16=43/4, var_1_17=1277/5, var_1_18=1, var_1_19=0, var_1_1=2, var_1_20=100, var_1_21=128, var_1_22=0, var_1_23=1, var_1_24=8, var_1_25=10, var_1_26=84/5, var_1_27=64, var_1_3=0, var_1_7=50, var_1_8=0, var_1_9=1021/8] [L20] COND FALSE !(!cond) [L99] RET assume_abort_if_not(var_1_2 >= 0) VAL [isInitial=1, last_1_var_1_18=1, last_1_var_1_20=100, var_1_10=1284/5, var_1_11=7500000000000001/25000000000000000, var_1_12=-2, var_1_13=99/40, var_1_14=126/5, var_1_15=4001/8, var_1_16=43/4, var_1_17=1277/5, var_1_18=1, var_1_19=0, var_1_1=2, var_1_20=100, var_1_21=128, var_1_22=0, var_1_23=1, var_1_24=8, var_1_25=10, var_1_26=84/5, var_1_27=64, var_1_3=0, var_1_7=50, var_1_8=0, var_1_9=1021/8] [L100] CALL assume_abort_if_not(var_1_2 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=1, last_1_var_1_20=100, var_1_10=1284/5, var_1_11=7500000000000001/25000000000000000, var_1_12=-2, var_1_13=99/40, var_1_14=126/5, var_1_15=4001/8, var_1_16=43/4, var_1_17=1277/5, var_1_18=1, var_1_19=0, var_1_1=2, var_1_20=100, var_1_21=128, var_1_22=0, var_1_23=1, var_1_24=8, var_1_25=10, var_1_26=84/5, var_1_27=64, var_1_2=0, var_1_3=0, var_1_7=50, var_1_8=0, var_1_9=1021/8] [L20] COND FALSE !(!cond) [L100] RET assume_abort_if_not(var_1_2 <= 1) VAL [isInitial=1, last_1_var_1_18=1, last_1_var_1_20=100, var_1_10=1284/5, var_1_11=7500000000000001/25000000000000000, var_1_12=-2, var_1_13=99/40, var_1_14=126/5, var_1_15=4001/8, var_1_16=43/4, var_1_17=1277/5, var_1_18=1, var_1_19=0, var_1_1=2, var_1_20=100, var_1_21=128, var_1_22=0, var_1_23=1, var_1_24=8, var_1_25=10, var_1_26=84/5, var_1_27=64, var_1_2=0, var_1_3=0, var_1_7=50, var_1_8=0, var_1_9=1021/8] [L101] var_1_3 = __VERIFIER_nondet_uchar() [L102] CALL assume_abort_if_not(var_1_3 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=1, last_1_var_1_20=100, var_1_10=1284/5, var_1_11=7500000000000001/25000000000000000, var_1_12=-2, var_1_13=99/40, var_1_14=126/5, var_1_15=4001/8, var_1_16=43/4, var_1_17=1277/5, var_1_18=1, var_1_19=0, var_1_1=2, var_1_20=100, var_1_21=128, var_1_22=0, var_1_23=1, var_1_24=8, var_1_25=10, var_1_26=84/5, var_1_27=64, var_1_2=0, var_1_7=50, var_1_8=0, var_1_9=1021/8] [L20] COND FALSE !(!cond) [L102] RET assume_abort_if_not(var_1_3 >= 0) VAL [isInitial=1, last_1_var_1_18=1, last_1_var_1_20=100, var_1_10=1284/5, var_1_11=7500000000000001/25000000000000000, var_1_12=-2, var_1_13=99/40, var_1_14=126/5, var_1_15=4001/8, var_1_16=43/4, var_1_17=1277/5, var_1_18=1, var_1_19=0, var_1_1=2, var_1_20=100, var_1_21=128, var_1_22=0, var_1_23=1, var_1_24=8, var_1_25=10, var_1_26=84/5, var_1_27=64, var_1_2=0, var_1_7=50, var_1_8=0, var_1_9=1021/8] [L103] CALL assume_abort_if_not(var_1_3 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=1, last_1_var_1_20=100, var_1_10=1284/5, var_1_11=7500000000000001/25000000000000000, var_1_12=-2, var_1_13=99/40, var_1_14=126/5, var_1_15=4001/8, var_1_16=43/4, var_1_17=1277/5, var_1_18=1, var_1_19=0, var_1_1=2, var_1_20=100, var_1_21=128, var_1_22=0, var_1_23=1, var_1_24=8, var_1_25=10, var_1_26=84/5, var_1_27=64, var_1_2=0, var_1_3=0, var_1_7=50, var_1_8=0, var_1_9=1021/8] [L20] COND FALSE !(!cond) [L103] RET assume_abort_if_not(var_1_3 <= 1) VAL [isInitial=1, last_1_var_1_18=1, last_1_var_1_20=100, var_1_10=1284/5, var_1_11=7500000000000001/25000000000000000, var_1_12=-2, var_1_13=99/40, var_1_14=126/5, var_1_15=4001/8, var_1_16=43/4, var_1_17=1277/5, var_1_18=1, var_1_19=0, var_1_1=2, var_1_20=100, var_1_21=128, var_1_22=0, var_1_23=1, var_1_24=8, var_1_25=10, var_1_26=84/5, var_1_27=64, var_1_2=0, var_1_3=0, var_1_7=50, var_1_8=0, var_1_9=1021/8] [L104] var_1_8 = __VERIFIER_nondet_uchar() [L105] CALL assume_abort_if_not(var_1_8 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=1, last_1_var_1_20=100, var_1_10=1284/5, var_1_11=7500000000000001/25000000000000000, var_1_12=-2, var_1_13=99/40, var_1_14=126/5, var_1_15=4001/8, var_1_16=43/4, var_1_17=1277/5, var_1_18=1, var_1_19=0, var_1_1=2, var_1_20=100, var_1_21=128, var_1_22=0, var_1_23=1, var_1_24=8, var_1_25=10, var_1_26=84/5, var_1_27=64, var_1_2=0, var_1_3=0, var_1_7=50, var_1_9=1021/8] [L20] COND FALSE !(!cond) [L105] RET assume_abort_if_not(var_1_8 >= 0) VAL [isInitial=1, last_1_var_1_18=1, last_1_var_1_20=100, var_1_10=1284/5, var_1_11=7500000000000001/25000000000000000, var_1_12=-2, var_1_13=99/40, var_1_14=126/5, var_1_15=4001/8, var_1_16=43/4, var_1_17=1277/5, var_1_18=1, var_1_19=0, var_1_1=2, var_1_20=100, var_1_21=128, var_1_22=0, var_1_23=1, var_1_24=8, var_1_25=10, var_1_26=84/5, var_1_27=64, var_1_2=0, var_1_3=0, var_1_7=50, var_1_9=1021/8] [L106] CALL assume_abort_if_not(var_1_8 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=1, last_1_var_1_20=100, var_1_10=1284/5, var_1_11=7500000000000001/25000000000000000, var_1_12=-2, var_1_13=99/40, var_1_14=126/5, var_1_15=4001/8, var_1_16=43/4, var_1_17=1277/5, var_1_18=1, var_1_19=0, var_1_1=2, var_1_20=100, var_1_21=128, var_1_22=0, var_1_23=1, var_1_24=8, var_1_25=10, var_1_26=84/5, var_1_27=64, var_1_2=0, var_1_3=0, var_1_7=50, var_1_8=5, var_1_9=1021/8] [L20] COND FALSE !(!cond) [L106] RET assume_abort_if_not(var_1_8 <= 254) VAL [isInitial=1, last_1_var_1_18=1, last_1_var_1_20=100, var_1_10=1284/5, var_1_11=7500000000000001/25000000000000000, var_1_12=-2, var_1_13=99/40, var_1_14=126/5, var_1_15=4001/8, var_1_16=43/4, var_1_17=1277/5, var_1_18=1, var_1_19=0, var_1_1=2, var_1_20=100, var_1_21=128, var_1_22=0, var_1_23=1, var_1_24=8, var_1_25=10, var_1_26=84/5, var_1_27=64, var_1_2=0, var_1_3=0, var_1_7=50, var_1_8=5, var_1_9=1021/8] [L107] var_1_10 = __VERIFIER_nondet_double() [L108] CALL assume_abort_if_not((var_1_10 >= -922337.2036854765600e+13F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 9223372.036854765600e+12F && var_1_10 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=1, last_1_var_1_20=100, var_1_11=7500000000000001/25000000000000000, var_1_12=-2, var_1_13=99/40, var_1_14=126/5, var_1_15=4001/8, var_1_16=43/4, var_1_17=1277/5, var_1_18=1, var_1_19=0, var_1_1=2, var_1_20=100, var_1_21=128, var_1_22=0, var_1_23=1, var_1_24=8, var_1_25=10, var_1_26=84/5, var_1_27=64, var_1_2=0, var_1_3=0, var_1_7=50, var_1_8=5, var_1_9=1021/8] [L20] COND FALSE !(!cond) [L108] RET assume_abort_if_not((var_1_10 >= -922337.2036854765600e+13F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 9223372.036854765600e+12F && var_1_10 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_18=1, last_1_var_1_20=100, var_1_11=7500000000000001/25000000000000000, var_1_12=-2, var_1_13=99/40, var_1_14=126/5, var_1_15=4001/8, var_1_16=43/4, var_1_17=1277/5, var_1_18=1, var_1_19=0, var_1_1=2, var_1_20=100, var_1_21=128, var_1_22=0, var_1_23=1, var_1_24=8, var_1_25=10, var_1_26=84/5, var_1_27=64, var_1_2=0, var_1_3=0, var_1_7=50, var_1_8=5, var_1_9=1021/8] [L109] var_1_11 = __VERIFIER_nondet_double() [L110] CALL assume_abort_if_not((var_1_11 >= -922337.2036854765600e+13F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 9223372.036854765600e+12F && var_1_11 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=1, last_1_var_1_20=100, var_1_12=-2, var_1_13=99/40, var_1_14=126/5, var_1_15=4001/8, var_1_16=43/4, var_1_17=1277/5, var_1_18=1, var_1_19=0, var_1_1=2, var_1_20=100, var_1_21=128, var_1_22=0, var_1_23=1, var_1_24=8, var_1_25=10, var_1_26=84/5, var_1_27=64, var_1_2=0, var_1_3=0, var_1_7=50, var_1_8=5, var_1_9=1021/8] [L20] COND FALSE !(!cond) [L110] RET assume_abort_if_not((var_1_11 >= -922337.2036854765600e+13F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 9223372.036854765600e+12F && var_1_11 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_18=1, last_1_var_1_20=100, var_1_12=-2, var_1_13=99/40, var_1_14=126/5, var_1_15=4001/8, var_1_16=43/4, var_1_17=1277/5, var_1_18=1, var_1_19=0, var_1_1=2, var_1_20=100, var_1_21=128, var_1_22=0, var_1_23=1, var_1_24=8, var_1_25=10, var_1_26=84/5, var_1_27=64, var_1_2=0, var_1_3=0, var_1_7=50, var_1_8=5, var_1_9=1021/8] [L111] var_1_13 = __VERIFIER_nondet_double() [L112] CALL assume_abort_if_not((var_1_13 >= 0.0F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 9223372.036854776000e+12F && var_1_13 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=1, last_1_var_1_20=100, var_1_12=-2, var_1_14=126/5, var_1_15=4001/8, var_1_16=43/4, var_1_17=1277/5, var_1_18=1, var_1_19=0, var_1_1=2, var_1_20=100, var_1_21=128, var_1_22=0, var_1_23=1, var_1_24=8, var_1_25=10, var_1_26=84/5, var_1_27=64, var_1_2=0, var_1_3=0, var_1_7=50, var_1_8=5, var_1_9=1021/8] [L20] COND FALSE !(!cond) [L112] RET assume_abort_if_not((var_1_13 >= 0.0F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 9223372.036854776000e+12F && var_1_13 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_18=1, last_1_var_1_20=100, var_1_12=-2, var_1_14=126/5, var_1_15=4001/8, var_1_16=43/4, var_1_17=1277/5, var_1_18=1, var_1_19=0, var_1_1=2, var_1_20=100, var_1_21=128, var_1_22=0, var_1_23=1, var_1_24=8, var_1_25=10, var_1_26=84/5, var_1_27=64, var_1_2=0, var_1_3=0, var_1_7=50, var_1_8=5, var_1_9=1021/8] [L113] var_1_14 = __VERIFIER_nondet_double() [L114] CALL assume_abort_if_not((var_1_14 >= 0.0F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 9223372.036854776000e+12F && var_1_14 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=1, last_1_var_1_20=100, var_1_12=-2, var_1_15=4001/8, var_1_16=43/4, var_1_17=1277/5, var_1_18=1, var_1_19=0, var_1_1=2, var_1_20=100, var_1_21=128, var_1_22=0, var_1_23=1, var_1_24=8, var_1_25=10, var_1_26=84/5, var_1_27=64, var_1_2=0, var_1_3=0, var_1_7=50, var_1_8=5, var_1_9=1021/8] [L20] COND FALSE !(!cond) [L114] RET assume_abort_if_not((var_1_14 >= 0.0F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 9223372.036854776000e+12F && var_1_14 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_18=1, last_1_var_1_20=100, var_1_12=-2, var_1_15=4001/8, var_1_16=43/4, var_1_17=1277/5, var_1_18=1, var_1_19=0, var_1_1=2, var_1_20=100, var_1_21=128, var_1_22=0, var_1_23=1, var_1_24=8, var_1_25=10, var_1_26=84/5, var_1_27=64, var_1_2=0, var_1_3=0, var_1_7=50, var_1_8=5, var_1_9=1021/8] [L115] var_1_15 = __VERIFIER_nondet_double() [L116] CALL assume_abort_if_not((var_1_15 >= 0.0F && var_1_15 <= -1.0e-20F) || (var_1_15 <= 9223372.036854776000e+12F && var_1_15 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=1, last_1_var_1_20=100, var_1_12=-2, var_1_16=43/4, var_1_17=1277/5, var_1_18=1, var_1_19=0, var_1_1=2, var_1_20=100, var_1_21=128, var_1_22=0, var_1_23=1, var_1_24=8, var_1_25=10, var_1_26=84/5, var_1_27=64, var_1_2=0, var_1_3=0, var_1_7=50, var_1_8=5, var_1_9=1021/8] [L20] COND FALSE !(!cond) [L116] RET assume_abort_if_not((var_1_15 >= 0.0F && var_1_15 <= -1.0e-20F) || (var_1_15 <= 9223372.036854776000e+12F && var_1_15 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_18=1, last_1_var_1_20=100, var_1_12=-2, var_1_16=43/4, var_1_17=1277/5, var_1_18=1, var_1_19=0, var_1_1=2, var_1_20=100, var_1_21=128, var_1_22=0, var_1_23=1, var_1_24=8, var_1_25=10, var_1_26=84/5, var_1_27=64, var_1_2=0, var_1_3=0, var_1_7=50, var_1_8=5, var_1_9=1021/8] [L117] var_1_16 = __VERIFIER_nondet_double() [L118] CALL assume_abort_if_not((var_1_16 >= 0.0F && var_1_16 <= -1.0e-20F) || (var_1_16 <= 4611686.018427387900e+12F && var_1_16 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=1, last_1_var_1_20=100, var_1_12=-2, var_1_17=1277/5, var_1_18=1, var_1_19=0, var_1_1=2, var_1_20=100, var_1_21=128, var_1_22=0, var_1_23=1, var_1_24=8, var_1_25=10, var_1_26=84/5, var_1_27=64, var_1_2=0, var_1_3=0, var_1_7=50, var_1_8=5, var_1_9=1021/8] [L20] COND FALSE !(!cond) [L118] RET assume_abort_if_not((var_1_16 >= 0.0F && var_1_16 <= -1.0e-20F) || (var_1_16 <= 4611686.018427387900e+12F && var_1_16 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_18=1, last_1_var_1_20=100, var_1_12=-2, var_1_17=1277/5, var_1_18=1, var_1_19=0, var_1_1=2, var_1_20=100, var_1_21=128, var_1_22=0, var_1_23=1, var_1_24=8, var_1_25=10, var_1_26=84/5, var_1_27=64, var_1_2=0, var_1_3=0, var_1_7=50, var_1_8=5, var_1_9=1021/8] [L119] var_1_17 = __VERIFIER_nondet_double() [L120] CALL assume_abort_if_not((var_1_17 >= 0.0F && var_1_17 <= -1.0e-20F) || (var_1_17 <= 4611686.018427387900e+12F && var_1_17 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=1, last_1_var_1_20=100, var_1_12=-2, var_1_18=1, var_1_19=0, var_1_1=2, var_1_20=100, var_1_21=128, var_1_22=0, var_1_23=1, var_1_24=8, var_1_25=10, var_1_26=84/5, var_1_27=64, var_1_2=0, var_1_3=0, var_1_7=50, var_1_8=5, var_1_9=1021/8] [L20] COND FALSE !(!cond) [L120] RET assume_abort_if_not((var_1_17 >= 0.0F && var_1_17 <= -1.0e-20F) || (var_1_17 <= 4611686.018427387900e+12F && var_1_17 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_18=1, last_1_var_1_20=100, var_1_12=-2, var_1_18=1, var_1_19=0, var_1_1=2, var_1_20=100, var_1_21=128, var_1_22=0, var_1_23=1, var_1_24=8, var_1_25=10, var_1_26=84/5, var_1_27=64, var_1_2=0, var_1_3=0, var_1_7=50, var_1_8=5, var_1_9=1021/8] [L121] var_1_19 = __VERIFIER_nondet_uchar() [L122] CALL assume_abort_if_not(var_1_19 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=1, last_1_var_1_20=100, var_1_12=-2, var_1_18=1, var_1_1=2, var_1_20=100, var_1_21=128, var_1_22=0, var_1_23=1, var_1_24=8, var_1_25=10, var_1_26=84/5, var_1_27=64, var_1_2=0, var_1_3=0, var_1_7=50, var_1_8=5, var_1_9=1021/8] [L20] COND FALSE !(!cond) [L122] RET assume_abort_if_not(var_1_19 >= 0) VAL [isInitial=1, last_1_var_1_18=1, last_1_var_1_20=100, var_1_12=-2, var_1_18=1, var_1_1=2, var_1_20=100, var_1_21=128, var_1_22=0, var_1_23=1, var_1_24=8, var_1_25=10, var_1_26=84/5, var_1_27=64, var_1_2=0, var_1_3=0, var_1_7=50, var_1_8=5, var_1_9=1021/8] [L123] CALL assume_abort_if_not(var_1_19 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=1, last_1_var_1_20=100, var_1_12=-2, var_1_18=1, var_1_19=0, var_1_1=2, var_1_20=100, var_1_21=128, var_1_22=0, var_1_23=1, var_1_24=8, var_1_25=10, var_1_26=84/5, var_1_27=64, var_1_2=0, var_1_3=0, var_1_7=50, var_1_8=5, var_1_9=1021/8] [L20] COND FALSE !(!cond) [L123] RET assume_abort_if_not(var_1_19 <= 0) VAL [isInitial=1, last_1_var_1_18=1, last_1_var_1_20=100, var_1_12=-2, var_1_18=1, var_1_19=0, var_1_1=2, var_1_20=100, var_1_21=128, var_1_22=0, var_1_23=1, var_1_24=8, var_1_25=10, var_1_26=84/5, var_1_27=64, var_1_2=0, var_1_3=0, var_1_7=50, var_1_8=5, var_1_9=1021/8] [L124] var_1_21 = __VERIFIER_nondet_uchar() [L125] CALL assume_abort_if_not(var_1_21 >= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=1, last_1_var_1_20=100, var_1_12=-2, var_1_18=1, var_1_19=0, var_1_1=2, var_1_20=100, var_1_21=127, var_1_22=0, var_1_23=1, var_1_24=8, var_1_25=10, var_1_26=84/5, var_1_27=64, var_1_2=0, var_1_3=0, var_1_7=50, var_1_8=5, var_1_9=1021/8] [L20] COND FALSE !(!cond) [L125] RET assume_abort_if_not(var_1_21 >= 127) VAL [isInitial=1, last_1_var_1_18=1, last_1_var_1_20=100, var_1_12=-2, var_1_18=1, var_1_19=0, var_1_1=2, var_1_20=100, var_1_21=127, var_1_22=0, var_1_23=1, var_1_24=8, var_1_25=10, var_1_26=84/5, var_1_27=64, var_1_2=0, var_1_3=0, var_1_7=50, var_1_8=5, var_1_9=1021/8] [L126] CALL assume_abort_if_not(var_1_21 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=1, last_1_var_1_20=100, var_1_12=-2, var_1_18=1, var_1_19=0, var_1_1=2, var_1_20=100, var_1_21=127, var_1_22=0, var_1_23=1, var_1_24=8, var_1_25=10, var_1_26=84/5, var_1_27=64, var_1_2=0, var_1_3=0, var_1_7=50, var_1_8=5, var_1_9=1021/8] [L20] COND FALSE !(!cond) [L126] RET assume_abort_if_not(var_1_21 <= 254) VAL [isInitial=1, last_1_var_1_18=1, last_1_var_1_20=100, var_1_12=-2, var_1_18=1, var_1_19=0, var_1_1=2, var_1_20=100, var_1_21=127, var_1_22=0, var_1_23=1, var_1_24=8, var_1_25=10, var_1_26=84/5, var_1_27=64, var_1_2=0, var_1_3=0, var_1_7=50, var_1_8=5, var_1_9=1021/8] [L127] var_1_22 = __VERIFIER_nondet_uchar() [L128] CALL assume_abort_if_not(var_1_22 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=1, last_1_var_1_20=100, var_1_12=-2, var_1_18=1, var_1_19=0, var_1_1=2, var_1_20=100, var_1_21=127, var_1_23=1, var_1_24=8, var_1_25=10, var_1_26=84/5, var_1_27=64, var_1_2=0, var_1_3=0, var_1_7=50, var_1_8=5, var_1_9=1021/8] [L20] COND FALSE !(!cond) [L128] RET assume_abort_if_not(var_1_22 >= 0) VAL [isInitial=1, last_1_var_1_18=1, last_1_var_1_20=100, var_1_12=-2, var_1_18=1, var_1_19=0, var_1_1=2, var_1_20=100, var_1_21=127, var_1_23=1, var_1_24=8, var_1_25=10, var_1_26=84/5, var_1_27=64, var_1_2=0, var_1_3=0, var_1_7=50, var_1_8=5, var_1_9=1021/8] [L129] CALL assume_abort_if_not(var_1_22 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=1, last_1_var_1_20=100, var_1_12=-2, var_1_18=1, var_1_19=0, var_1_1=2, var_1_20=100, var_1_21=127, var_1_22=127, var_1_23=1, var_1_24=8, var_1_25=10, var_1_26=84/5, var_1_27=64, var_1_2=0, var_1_3=0, var_1_7=50, var_1_8=5, var_1_9=1021/8] [L20] COND FALSE !(!cond) [L129] RET assume_abort_if_not(var_1_22 <= 127) VAL [isInitial=1, last_1_var_1_18=1, last_1_var_1_20=100, var_1_12=-2, var_1_18=1, var_1_19=0, var_1_1=2, var_1_20=100, var_1_21=127, var_1_22=127, var_1_23=1, var_1_24=8, var_1_25=10, var_1_26=84/5, var_1_27=64, var_1_2=0, var_1_3=0, var_1_7=50, var_1_8=5, var_1_9=1021/8] [L130] var_1_23 = __VERIFIER_nondet_uchar() [L131] CALL assume_abort_if_not(var_1_23 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=1, last_1_var_1_20=100, var_1_12=-2, var_1_18=1, var_1_19=0, var_1_1=2, var_1_20=100, var_1_21=127, var_1_22=127, var_1_24=8, var_1_25=10, var_1_26=84/5, var_1_27=64, var_1_2=0, var_1_3=0, var_1_7=50, var_1_8=5, var_1_9=1021/8] [L20] COND FALSE !(!cond) [L131] RET assume_abort_if_not(var_1_23 >= 0) VAL [isInitial=1, last_1_var_1_18=1, last_1_var_1_20=100, var_1_12=-2, var_1_18=1, var_1_19=0, var_1_1=2, var_1_20=100, var_1_21=127, var_1_22=127, var_1_24=8, var_1_25=10, var_1_26=84/5, var_1_27=64, var_1_2=0, var_1_3=0, var_1_7=50, var_1_8=5, var_1_9=1021/8] [L132] CALL assume_abort_if_not(var_1_23 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=1, last_1_var_1_20=100, var_1_12=-2, var_1_18=1, var_1_19=0, var_1_1=2, var_1_20=100, var_1_21=127, var_1_22=127, var_1_23=127, var_1_24=8, var_1_25=10, var_1_26=84/5, var_1_27=64, var_1_2=0, var_1_3=0, var_1_7=50, var_1_8=5, var_1_9=1021/8] [L20] COND FALSE !(!cond) [L132] RET assume_abort_if_not(var_1_23 <= 127) VAL [isInitial=1, last_1_var_1_18=1, last_1_var_1_20=100, var_1_12=-2, var_1_18=1, var_1_19=0, var_1_1=2, var_1_20=100, var_1_21=127, var_1_22=127, var_1_23=127, var_1_24=8, var_1_25=10, var_1_26=84/5, var_1_27=64, var_1_2=0, var_1_3=0, var_1_7=50, var_1_8=5, var_1_9=1021/8] [L133] var_1_24 = __VERIFIER_nondet_uchar() [L134] CALL assume_abort_if_not(var_1_24 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=1, last_1_var_1_20=100, var_1_12=-2, var_1_18=1, var_1_19=0, var_1_1=2, var_1_20=100, var_1_21=127, var_1_22=127, var_1_23=127, var_1_25=10, var_1_26=84/5, var_1_27=64, var_1_2=0, var_1_3=0, var_1_7=50, var_1_8=5, var_1_9=1021/8] [L20] COND FALSE !(!cond) [L134] RET assume_abort_if_not(var_1_24 >= 0) VAL [isInitial=1, last_1_var_1_18=1, last_1_var_1_20=100, var_1_12=-2, var_1_18=1, var_1_19=0, var_1_1=2, var_1_20=100, var_1_21=127, var_1_22=127, var_1_23=127, var_1_25=10, var_1_26=84/5, var_1_27=64, var_1_2=0, var_1_3=0, var_1_7=50, var_1_8=5, var_1_9=1021/8] [L135] CALL assume_abort_if_not(var_1_24 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=1, last_1_var_1_20=100, var_1_12=-2, var_1_18=1, var_1_19=0, var_1_1=2, var_1_20=100, var_1_21=127, var_1_22=127, var_1_23=127, var_1_24=0, var_1_25=10, var_1_26=84/5, var_1_27=64, var_1_2=0, var_1_3=0, var_1_7=50, var_1_8=5, var_1_9=1021/8] [L20] COND FALSE !(!cond) [L135] RET assume_abort_if_not(var_1_24 <= 127) VAL [isInitial=1, last_1_var_1_18=1, last_1_var_1_20=100, var_1_12=-2, var_1_18=1, var_1_19=0, var_1_1=2, var_1_20=100, var_1_21=127, var_1_22=127, var_1_23=127, var_1_24=0, var_1_25=10, var_1_26=84/5, var_1_27=64, var_1_2=0, var_1_3=0, var_1_7=50, var_1_8=5, var_1_9=1021/8] [L136] var_1_25 = __VERIFIER_nondet_uchar() [L137] CALL assume_abort_if_not(var_1_25 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=1, last_1_var_1_20=100, var_1_12=-2, var_1_18=1, var_1_19=0, var_1_1=2, var_1_20=100, var_1_21=127, var_1_22=127, var_1_23=127, var_1_24=0, var_1_26=84/5, var_1_27=64, var_1_2=0, var_1_3=0, var_1_7=50, var_1_8=5, var_1_9=1021/8] [L20] COND FALSE !(!cond) [L137] RET assume_abort_if_not(var_1_25 >= 0) VAL [isInitial=1, last_1_var_1_18=1, last_1_var_1_20=100, var_1_12=-2, var_1_18=1, var_1_19=0, var_1_1=2, var_1_20=100, var_1_21=127, var_1_22=127, var_1_23=127, var_1_24=0, var_1_26=84/5, var_1_27=64, var_1_2=0, var_1_3=0, var_1_7=50, var_1_8=5, var_1_9=1021/8] [L138] CALL assume_abort_if_not(var_1_25 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=1, last_1_var_1_20=100, var_1_12=-2, var_1_18=1, var_1_19=0, var_1_1=2, var_1_20=100, var_1_21=127, var_1_22=127, var_1_23=127, var_1_24=0, var_1_25=0, var_1_26=84/5, var_1_27=64, var_1_2=0, var_1_3=0, var_1_7=50, var_1_8=5, var_1_9=1021/8] [L20] COND FALSE !(!cond) [L138] RET assume_abort_if_not(var_1_25 <= 127) VAL [isInitial=1, last_1_var_1_18=1, last_1_var_1_20=100, var_1_12=-2, var_1_18=1, var_1_19=0, var_1_1=2, var_1_20=100, var_1_21=127, var_1_22=127, var_1_23=127, var_1_24=0, var_1_25=0, var_1_26=84/5, var_1_27=64, var_1_2=0, var_1_3=0, var_1_7=50, var_1_8=5, var_1_9=1021/8] [L153] RET updateVariables() [L154] CALL step() [L51] signed long int stepLocal_1 = last_1_var_1_20; [L52] unsigned char stepLocal_0 = last_1_var_1_18; [L53] COND TRUE stepLocal_0 && last_1_var_1_18 [L54] COND FALSE !(((((last_1_var_1_20) < ((last_1_var_1_20 * last_1_var_1_20))) ? (last_1_var_1_20) : ((last_1_var_1_20 * last_1_var_1_20)))) > stepLocal_1) [L57] var_1_7 = var_1_8 [L62] COND FALSE !(\read(var_1_3)) [L67] var_1_26 = var_1_16 [L68] var_1_27 = 10u [L69] unsigned long int stepLocal_2 = var_1_27; [L70] COND FALSE !(stepLocal_2 != (var_1_8 + var_1_7)) [L73] var_1_9 = ((((var_1_11) < (((((var_1_10) < 0 ) ? -(var_1_10) : (var_1_10))))) ? (var_1_11) : (((((var_1_10) < 0 ) ? -(var_1_10) : (var_1_10)))))) [L75] COND TRUE var_1_8 >= var_1_7 [L76] COND TRUE var_1_15 >= var_1_26 [L77] var_1_20 = (var_1_21 - ((((((((var_1_22) < (var_1_23)) ? (var_1_22) : (var_1_23)))) > (((((var_1_24) < (var_1_25)) ? (var_1_24) : (var_1_25))))) ? (((((var_1_22) < (var_1_23)) ? (var_1_22) : (var_1_23)))) : (((((var_1_24) < (var_1_25)) ? (var_1_24) : (var_1_25))))))) [L84] COND TRUE \read(var_1_18) [L85] COND FALSE !(! var_1_18) [L88] var_1_1 = (var_1_20 - var_1_20) [L93] COND FALSE !((var_1_13 - var_1_14) >= (var_1_15 - (var_1_16 + var_1_17))) [L154] RET step() [L155] CALL, EXPR property() [L145-L146] return (((((((var_1_18 ? ((! var_1_18) ? (var_1_1 == ((signed short int) (var_1_7 + 5))) : (var_1_1 == ((signed short int) (var_1_20 - var_1_20)))) : (var_1_1 == ((signed short int) var_1_20))) && ((last_1_var_1_18 && last_1_var_1_18) ? ((((((last_1_var_1_20) < ((last_1_var_1_20 * last_1_var_1_20))) ? (last_1_var_1_20) : ((last_1_var_1_20 * last_1_var_1_20)))) > last_1_var_1_20) ? (var_1_7 == ((unsigned char) var_1_8)) : (var_1_7 == ((unsigned char) var_1_8))) : (var_1_7 == ((unsigned char) var_1_8)))) && ((var_1_27 != (var_1_8 + var_1_7)) ? (var_1_9 == ((double) ((((var_1_10) < (((((var_1_11) < (32.6)) ? (var_1_11) : (32.6))))) ? (var_1_10) : (((((var_1_11) < (32.6)) ? (var_1_11) : (32.6)))))))) : (var_1_9 == ((double) ((((var_1_11) < (((((var_1_10) < 0 ) ? -(var_1_10) : (var_1_10))))) ? (var_1_11) : (((((var_1_10) < 0 ) ? -(var_1_10) : (var_1_10)))))))))) && (((var_1_13 - var_1_14) >= (var_1_15 - (var_1_16 + var_1_17))) ? (var_1_12 == ((signed long int) (var_1_20 + var_1_20))) : 1)) && (var_1_3 ? (var_1_2 ? (var_1_18 == ((unsigned char) (! var_1_19))) : 1) : 1)) && ((var_1_8 >= var_1_7) ? ((var_1_15 >= var_1_26) ? (var_1_20 == ((unsigned char) (var_1_21 - ((((((((var_1_22) < (var_1_23)) ? (var_1_22) : (var_1_23)))) > (((((var_1_24) < (var_1_25)) ? (var_1_24) : (var_1_25))))) ? (((((var_1_22) < (var_1_23)) ? (var_1_22) : (var_1_23)))) : (((((var_1_24) < (var_1_25)) ? (var_1_24) : (var_1_25))))))))) : (var_1_20 == ((unsigned char) var_1_24))) : (var_1_20 == ((unsigned char) var_1_22)))) && (var_1_26 == ((float) var_1_16))) && (var_1_27 == ((unsigned long int) 10u)) ; [L155] RET, EXPR property() [L155] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_18=1, last_1_var_1_20=100, var_1_10=0, var_1_11=2, var_1_12=-2, var_1_16=3, var_1_18=1, var_1_19=0, var_1_1=0, var_1_20=0, var_1_21=127, var_1_22=127, var_1_23=127, var_1_24=0, var_1_25=0, var_1_26=3, var_1_27=10, var_1_2=0, var_1_3=0, var_1_7=5, var_1_8=5, var_1_9=2] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_18=1, last_1_var_1_20=100, var_1_10=0, var_1_11=2, var_1_12=-2, var_1_16=3, var_1_18=1, var_1_19=0, var_1_1=0, var_1_20=0, var_1_21=127, var_1_22=127, var_1_23=127, var_1_24=0, var_1_25=0, var_1_26=3, var_1_27=10, var_1_2=0, var_1_3=0, var_1_7=5, var_1_8=5, var_1_9=2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 50 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.1s, OverallIterations: 1, TraceHistogramMax: 25, 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=50occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 95 NumberOfCodeBlocks, 95 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 13:49:30,614 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_054cb399-425f-40f2-a743-1edcfa71cff8/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_054cb399-425f-40f2-a743-1edcfa71cff8/bin/utaipan-verify-nQ1chXbOIh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_054cb399-425f-40f2-a743-1edcfa71cff8/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_054cb399-425f-40f2-a743-1edcfa71cff8/bin/utaipan-verify-nQ1chXbOIh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_054cb399-425f-40f2-a743-1edcfa71cff8/bin/utaipan-verify-nQ1chXbOIh/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-79.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_054cb399-425f-40f2-a743-1edcfa71cff8/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_054cb399-425f-40f2-a743-1edcfa71cff8/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 6bbbe2cee8f4695a581c4f71225dc72ba731151283bb1ceb687623e1d215afc7 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 13:49:32,547 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 13:49:32,622 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_054cb399-425f-40f2-a743-1edcfa71cff8/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2023-12-02 13:49:32,628 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 13:49:32,629 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-02 13:49:32,657 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 13:49:32,658 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-02 13:49:32,658 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-02 13:49:32,659 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 13:49:32,659 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-02 13:49:32,660 INFO L153 SettingsManager]: * User list type=DISABLED [2023-12-02 13:49:32,661 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-12-02 13:49:32,661 INFO L153 SettingsManager]: * Explicit value domain=true [2023-12-02 13:49:32,662 INFO L153 SettingsManager]: * Octagon Domain=false [2023-12-02 13:49:32,662 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-12-02 13:49:32,663 INFO L153 SettingsManager]: * Interval Domain=false [2023-12-02 13:49:32,664 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 13:49:32,664 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 13:49:32,665 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 13:49:32,665 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 13:49:32,666 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 13:49:32,666 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 13:49:32,667 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 13:49:32,667 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 13:49:32,668 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-02 13:49:32,668 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-02 13:49:32,668 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-02 13:49:32,669 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 13:49:32,669 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 13:49:32,670 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 13:49:32,670 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 13:49:32,671 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-02 13:49:32,671 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-02 13:49:32,671 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-02 13:49:32,671 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 13:49:32,672 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 13:49:32,672 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 13:49:32,672 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 13:49:32,672 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-02 13:49:32,673 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 13:49:32,673 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-02 13:49:32,673 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 13:49:32,673 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-12-02 13:49:32,674 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 13:49:32,674 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_054cb399-425f-40f2-a743-1edcfa71cff8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_054cb399-425f-40f2-a743-1edcfa71cff8/bin/utaipan-verify-nQ1chXbOIh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6bbbe2cee8f4695a581c4f71225dc72ba731151283bb1ceb687623e1d215afc7 [2023-12-02 13:49:32,958 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 13:49:32,979 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 13:49:32,982 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 13:49:32,983 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 13:49:32,983 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 13:49:32,985 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_054cb399-425f-40f2-a743-1edcfa71cff8/bin/utaipan-verify-nQ1chXbOIh/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-79.i [2023-12-02 13:49:35,752 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 13:49:35,965 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 13:49:35,966 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_054cb399-425f-40f2-a743-1edcfa71cff8/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-79.i [2023-12-02 13:49:35,976 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_054cb399-425f-40f2-a743-1edcfa71cff8/bin/utaipan-verify-nQ1chXbOIh/data/6013bb16b/1afb72ef6bfc47f3857ffd34bc9440c7/FLAG9f732c91d [2023-12-02 13:49:35,989 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_054cb399-425f-40f2-a743-1edcfa71cff8/bin/utaipan-verify-nQ1chXbOIh/data/6013bb16b/1afb72ef6bfc47f3857ffd34bc9440c7 [2023-12-02 13:49:35,991 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 13:49:35,993 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 13:49:35,994 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 13:49:35,994 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 13:49:35,998 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 13:49:35,999 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 01:49:35" (1/1) ... [2023-12-02 13:49:36,000 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5b38e87b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:49:36, skipping insertion in model container [2023-12-02 13:49:36,000 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 01:49:35" (1/1) ... [2023-12-02 13:49:36,032 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 13:49:36,159 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_054cb399-425f-40f2-a743-1edcfa71cff8/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-79.i[915,928] [2023-12-02 13:49:36,221 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 13:49:36,238 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 13:49:36,248 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_054cb399-425f-40f2-a743-1edcfa71cff8/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-79.i[915,928] [2023-12-02 13:49:36,293 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 13:49:36,311 INFO L206 MainTranslator]: Completed translation [2023-12-02 13:49:36,312 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:49:36 WrapperNode [2023-12-02 13:49:36,312 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 13:49:36,313 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 13:49:36,313 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 13:49:36,313 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 13:49:36,321 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:49:36" (1/1) ... [2023-12-02 13:49:36,339 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:49:36" (1/1) ... [2023-12-02 13:49:36,376 INFO L138 Inliner]: procedures = 27, calls = 38, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 163 [2023-12-02 13:49:36,377 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 13:49:36,377 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 13:49:36,378 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 13:49:36,378 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 13:49:36,387 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:49:36" (1/1) ... [2023-12-02 13:49:36,387 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:49:36" (1/1) ... [2023-12-02 13:49:36,392 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:49:36" (1/1) ... [2023-12-02 13:49:36,392 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:49:36" (1/1) ... [2023-12-02 13:49:36,403 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:49:36" (1/1) ... [2023-12-02 13:49:36,407 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:49:36" (1/1) ... [2023-12-02 13:49:36,410 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:49:36" (1/1) ... [2023-12-02 13:49:36,412 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:49:36" (1/1) ... [2023-12-02 13:49:36,417 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 13:49:36,418 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 13:49:36,418 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 13:49:36,418 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 13:49:36,419 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:49:36" (1/1) ... [2023-12-02 13:49:36,425 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 13:49:36,436 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_054cb399-425f-40f2-a743-1edcfa71cff8/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 13:49:36,451 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_054cb399-425f-40f2-a743-1edcfa71cff8/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-12-02 13:49:36,453 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_054cb399-425f-40f2-a743-1edcfa71cff8/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-12-02 13:49:36,483 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 13:49:36,484 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-02 13:49:36,484 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-02 13:49:36,484 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-02 13:49:36,484 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 13:49:36,484 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 13:49:36,572 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 13:49:36,574 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 13:49:42,778 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 13:49:42,833 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 13:49:42,833 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-02 13:49:42,834 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 01:49:42 BoogieIcfgContainer [2023-12-02 13:49:42,834 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 13:49:42,837 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-02 13:49:42,837 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-02 13:49:42,841 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-02 13:49:42,841 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 01:49:35" (1/3) ... [2023-12-02 13:49:42,842 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@23222768 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 01:49:42, skipping insertion in model container [2023-12-02 13:49:42,842 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:49:36" (2/3) ... [2023-12-02 13:49:42,842 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@23222768 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 01:49:42, skipping insertion in model container [2023-12-02 13:49:42,843 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 01:49:42" (3/3) ... [2023-12-02 13:49:42,844 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_50-while_file-79.i [2023-12-02 13:49:42,863 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-02 13:49:42,863 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-02 13:49:42,913 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-02 13:49:42,920 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;@5e3f5c45, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-02 13:49:42,921 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-02 13:49:42,926 INFO L276 IsEmpty]: Start isEmpty. Operand has 65 states, 37 states have (on average 1.4054054054054055) internal successors, (52), 38 states have internal predecessors, (52), 25 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2023-12-02 13:49:42,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2023-12-02 13:49:42,942 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 13:49:42,943 INFO L195 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:49:42,943 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 13:49:42,948 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 13:49:42,949 INFO L85 PathProgramCache]: Analyzing trace with hash -1743303853, now seen corresponding path program 1 times [2023-12-02 13:49:42,962 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 13:49:42,963 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1745481582] [2023-12-02 13:49:42,963 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:49:42,963 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 13:49:42,964 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_054cb399-425f-40f2-a743-1edcfa71cff8/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 13:49:42,966 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_054cb399-425f-40f2-a743-1edcfa71cff8/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 13:49:42,967 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_054cb399-425f-40f2-a743-1edcfa71cff8/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 13:49:43,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:49:43,432 INFO L262 TraceCheckSpWp]: Trace formula consists of 254 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-02 13:49:43,445 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 13:49:44,240 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1200 trivial. 0 not checked. [2023-12-02 13:49:44,241 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 13:49:44,241 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 13:49:44,242 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1745481582] [2023-12-02 13:49:44,242 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1745481582] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 13:49:44,243 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 13:49:44,243 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-02 13:49:44,245 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1148804481] [2023-12-02 13:49:44,245 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 13:49:44,250 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-02 13:49:44,250 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 13:49:44,280 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-02 13:49:44,280 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-02 13:49:44,283 INFO L87 Difference]: Start difference. First operand has 65 states, 37 states have (on average 1.4054054054054055) internal successors, (52), 38 states have internal predecessors, (52), 25 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) Second operand has 5 states, 5 states have (on average 6.2) internal successors, (31), 4 states have internal predecessors, (31), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2023-12-02 13:49:46,917 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.12s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 13:49:48,333 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.42s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 13:49:50,541 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 13:49:50,542 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 13:49:50,543 INFO L93 Difference]: Finished difference Result 202 states and 374 transitions. [2023-12-02 13:49:50,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-02 13:49:50,574 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.2) internal successors, (31), 4 states have internal predecessors, (31), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) Word has length 153 [2023-12-02 13:49:50,575 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 13:49:50,583 INFO L225 Difference]: With dead ends: 202 [2023-12-02 13:49:50,583 INFO L226 Difference]: Without dead ends: 138 [2023-12-02 13:49:50,587 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 154 GetRequests, 149 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2023-12-02 13:49:50,592 INFO L413 NwaCegarLoop]: 90 mSDtfsCounter, 83 mSDsluCounter, 221 mSDsCounter, 0 mSdLazyCounter, 73 mSolverCounterSat, 53 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 83 SdHoareTripleChecker+Valid, 311 SdHoareTripleChecker+Invalid, 128 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 53 IncrementalHoareTripleChecker+Valid, 73 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.2s IncrementalHoareTripleChecker+Time [2023-12-02 13:49:50,593 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [83 Valid, 311 Invalid, 128 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [53 Valid, 73 Invalid, 2 Unknown, 0 Unchecked, 6.2s Time] [2023-12-02 13:49:50,610 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 138 states. [2023-12-02 13:49:50,653 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 138 to 123. [2023-12-02 13:49:50,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 123 states, 70 states have (on average 1.2714285714285714) internal successors, (89), 70 states have internal predecessors, (89), 50 states have call successors, (50), 2 states have call predecessors, (50), 2 states have return successors, (50), 50 states have call predecessors, (50), 50 states have call successors, (50) [2023-12-02 13:49:50,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 189 transitions. [2023-12-02 13:49:50,659 INFO L78 Accepts]: Start accepts. Automaton has 123 states and 189 transitions. Word has length 153 [2023-12-02 13:49:50,660 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 13:49:50,661 INFO L495 AbstractCegarLoop]: Abstraction has 123 states and 189 transitions. [2023-12-02 13:49:50,661 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.2) internal successors, (31), 4 states have internal predecessors, (31), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2023-12-02 13:49:50,661 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 189 transitions. [2023-12-02 13:49:50,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2023-12-02 13:49:50,670 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 13:49:50,670 INFO L195 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:49:50,683 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_054cb399-425f-40f2-a743-1edcfa71cff8/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 13:49:50,878 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_054cb399-425f-40f2-a743-1edcfa71cff8/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 13:49:50,879 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 13:49:50,880 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 13:49:50,880 INFO L85 PathProgramCache]: Analyzing trace with hash 274268274, now seen corresponding path program 1 times [2023-12-02 13:49:50,880 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 13:49:50,881 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [524711669] [2023-12-02 13:49:50,881 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:49:50,881 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 13:49:50,881 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_054cb399-425f-40f2-a743-1edcfa71cff8/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 13:49:50,882 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_054cb399-425f-40f2-a743-1edcfa71cff8/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 13:49:50,883 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_054cb399-425f-40f2-a743-1edcfa71cff8/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 13:49:51,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:49:51,301 INFO L262 TraceCheckSpWp]: Trace formula consists of 257 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-02 13:49:51,308 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 13:49:51,358 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1200 trivial. 0 not checked. [2023-12-02 13:49:51,358 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 13:49:51,358 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 13:49:51,358 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [524711669] [2023-12-02 13:49:51,359 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [524711669] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 13:49:51,359 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 13:49:51,359 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-02 13:49:51,359 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2129234583] [2023-12-02 13:49:51,359 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 13:49:51,361 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-02 13:49:51,361 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 13:49:51,362 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-02 13:49:51,362 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 13:49:51,363 INFO L87 Difference]: Start difference. First operand 123 states and 189 transitions. Second operand has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2023-12-02 13:49:53,522 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 13:49:53,569 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 13:49:53,569 INFO L93 Difference]: Finished difference Result 260 states and 394 transitions. [2023-12-02 13:49:53,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 13:49:53,569 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) Word has length 155 [2023-12-02 13:49:53,570 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 13:49:53,572 INFO L225 Difference]: With dead ends: 260 [2023-12-02 13:49:53,572 INFO L226 Difference]: Without dead ends: 138 [2023-12-02 13:49:53,574 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 154 GetRequests, 153 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 13:49:53,575 INFO L413 NwaCegarLoop]: 102 mSDtfsCounter, 31 mSDsluCounter, 67 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 31 SdHoareTripleChecker+Valid, 169 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2023-12-02 13:49:53,575 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [31 Valid, 169 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 13 Invalid, 1 Unknown, 0 Unchecked, 2.2s Time] [2023-12-02 13:49:53,576 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 138 states. [2023-12-02 13:49:53,604 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 138 to 137. [2023-12-02 13:49:53,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 137 states, 78 states have (on average 1.2179487179487178) internal successors, (95), 79 states have internal predecessors, (95), 54 states have call successors, (54), 4 states have call predecessors, (54), 4 states have return successors, (54), 53 states have call predecessors, (54), 54 states have call successors, (54) [2023-12-02 13:49:53,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 203 transitions. [2023-12-02 13:49:53,607 INFO L78 Accepts]: Start accepts. Automaton has 137 states and 203 transitions. Word has length 155 [2023-12-02 13:49:53,608 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 13:49:53,608 INFO L495 AbstractCegarLoop]: Abstraction has 137 states and 203 transitions. [2023-12-02 13:49:53,609 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2023-12-02 13:49:53,609 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 203 transitions. [2023-12-02 13:49:53,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2023-12-02 13:49:53,612 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 13:49:53,612 INFO L195 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:49:53,624 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_054cb399-425f-40f2-a743-1edcfa71cff8/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)] Forceful destruction successful, exit code 0 [2023-12-02 13:49:53,814 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_054cb399-425f-40f2-a743-1edcfa71cff8/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 13:49:53,814 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 13:49:53,815 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 13:49:53,815 INFO L85 PathProgramCache]: Analyzing trace with hash 1080082738, now seen corresponding path program 1 times [2023-12-02 13:49:53,815 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 13:49:53,815 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [748807791] [2023-12-02 13:49:53,815 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:49:53,815 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 13:49:53,816 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_054cb399-425f-40f2-a743-1edcfa71cff8/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 13:49:53,816 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_054cb399-425f-40f2-a743-1edcfa71cff8/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 13:49:53,817 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_054cb399-425f-40f2-a743-1edcfa71cff8/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 13:49:54,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:49:54,355 INFO L262 TraceCheckSpWp]: Trace formula consists of 258 conjuncts, 29 conjunts are in the unsatisfiable core [2023-12-02 13:49:54,365 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 13:51:18,493 WARN L293 SmtUtils]: Spent 7.48s on a formula simplification that was a NOOP. DAG size: 85 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-02 13:52:05,706 WARN L293 SmtUtils]: Spent 8.04s on a formula simplification that was a NOOP. DAG size: 91 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-02 13:52:43,225 WARN L293 SmtUtils]: Spent 9.52s on a formula simplification that was a NOOP. DAG size: 95 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)