./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-25_file-78.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_ef7eb07f-86cf-4f45-8504-28f5730f4691/bin/utaipan-verify-nQ1chXbOIh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef7eb07f-86cf-4f45-8504-28f5730f4691/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_ef7eb07f-86cf-4f45-8504-28f5730f4691/bin/utaipan-verify-nQ1chXbOIh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef7eb07f-86cf-4f45-8504-28f5730f4691/bin/utaipan-verify-nQ1chXbOIh/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-25_file-78.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef7eb07f-86cf-4f45-8504-28f5730f4691/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_ef7eb07f-86cf-4f45-8504-28f5730f4691/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 64f6fc6b4379deeeee79432d859aa1226d6bab27312a0557e160563da7699af8 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 12:28:23,476 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 12:28:23,545 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef7eb07f-86cf-4f45-8504-28f5730f4691/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-12-02 12:28:23,550 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 12:28:23,550 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-02 12:28:23,575 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 12:28:23,576 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-02 12:28:23,576 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-02 12:28:23,577 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 12:28:23,577 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-02 12:28:23,578 INFO L153 SettingsManager]: * User list type=DISABLED [2023-12-02 12:28:23,578 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-12-02 12:28:23,579 INFO L153 SettingsManager]: * Explicit value domain=true [2023-12-02 12:28:23,579 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-12-02 12:28:23,580 INFO L153 SettingsManager]: * Octagon Domain=false [2023-12-02 12:28:23,580 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-12-02 12:28:23,581 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-12-02 12:28:23,581 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-12-02 12:28:23,582 INFO L153 SettingsManager]: * Interval Domain=false [2023-12-02 12:28:23,582 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-12-02 12:28:23,583 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-12-02 12:28:23,584 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-12-02 12:28:23,585 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 12:28:23,585 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 12:28:23,585 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 12:28:23,586 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 12:28:23,586 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 12:28:23,587 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 12:28:23,587 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 12:28:23,587 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 12:28:23,588 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 12:28:23,588 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 12:28:23,588 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 12:28:23,589 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 12:28:23,589 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 12:28:23,589 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-02 12:28:23,589 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-02 12:28:23,589 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 12:28:23,590 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 12:28:23,590 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 12:28:23,590 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 12:28:23,590 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-12-02 12:28:23,591 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 12:28:23,591 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-02 12:28:23,591 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 12:28:23,591 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-12-02 12:28:23,591 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 12:28:23,592 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_ef7eb07f-86cf-4f45-8504-28f5730f4691/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef7eb07f-86cf-4f45-8504-28f5730f4691/bin/utaipan-verify-nQ1chXbOIh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 64f6fc6b4379deeeee79432d859aa1226d6bab27312a0557e160563da7699af8 [2023-12-02 12:28:23,820 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 12:28:23,843 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 12:28:23,846 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 12:28:23,847 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 12:28:23,848 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 12:28:23,849 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef7eb07f-86cf-4f45-8504-28f5730f4691/bin/utaipan-verify-nQ1chXbOIh/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-25_file-78.i [2023-12-02 12:28:26,696 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 12:28:26,887 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 12:28:26,888 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef7eb07f-86cf-4f45-8504-28f5730f4691/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-25_file-78.i [2023-12-02 12:28:26,900 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef7eb07f-86cf-4f45-8504-28f5730f4691/bin/utaipan-verify-nQ1chXbOIh/data/b22f92abe/0cefb26018ec4538afdd501e4973054b/FLAG660d8017c [2023-12-02 12:28:26,915 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef7eb07f-86cf-4f45-8504-28f5730f4691/bin/utaipan-verify-nQ1chXbOIh/data/b22f92abe/0cefb26018ec4538afdd501e4973054b [2023-12-02 12:28:26,917 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 12:28:26,918 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 12:28:26,919 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 12:28:26,920 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 12:28:26,925 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 12:28:26,926 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 12:28:26" (1/1) ... [2023-12-02 12:28:26,927 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4a74fc44 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:28:26, skipping insertion in model container [2023-12-02 12:28:26,928 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 12:28:26" (1/1) ... [2023-12-02 12:28:26,971 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 12:28:27,126 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_ef7eb07f-86cf-4f45-8504-28f5730f4691/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-25_file-78.i[915,928] [2023-12-02 12:28:27,208 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 12:28:27,223 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 12:28:27,236 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_ef7eb07f-86cf-4f45-8504-28f5730f4691/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-25_file-78.i[915,928] [2023-12-02 12:28:27,281 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 12:28:27,301 INFO L206 MainTranslator]: Completed translation [2023-12-02 12:28:27,301 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:28:27 WrapperNode [2023-12-02 12:28:27,301 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 12:28:27,303 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 12:28:27,303 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 12:28:27,303 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 12:28:27,311 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:28:27" (1/1) ... [2023-12-02 12:28:27,326 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:28:27" (1/1) ... [2023-12-02 12:28:27,378 INFO L138 Inliner]: procedures = 26, calls = 53, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 299 [2023-12-02 12:28:27,378 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 12:28:27,379 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 12:28:27,379 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 12:28:27,380 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 12:28:27,390 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:28:27" (1/1) ... [2023-12-02 12:28:27,390 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:28:27" (1/1) ... [2023-12-02 12:28:27,397 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:28:27" (1/1) ... [2023-12-02 12:28:27,397 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:28:27" (1/1) ... [2023-12-02 12:28:27,420 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:28:27" (1/1) ... [2023-12-02 12:28:27,425 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:28:27" (1/1) ... [2023-12-02 12:28:27,430 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:28:27" (1/1) ... [2023-12-02 12:28:27,435 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:28:27" (1/1) ... [2023-12-02 12:28:27,441 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 12:28:27,442 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 12:28:27,443 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 12:28:27,443 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 12:28:27,444 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:28:27" (1/1) ... [2023-12-02 12:28:27,451 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 12:28:27,462 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef7eb07f-86cf-4f45-8504-28f5730f4691/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 12:28:27,476 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef7eb07f-86cf-4f45-8504-28f5730f4691/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-12-02 12:28:27,481 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef7eb07f-86cf-4f45-8504-28f5730f4691/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-12-02 12:28:27,511 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 12:28:27,512 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-02 12:28:27,512 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-02 12:28:27,512 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 12:28:27,512 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 12:28:27,512 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 12:28:27,613 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 12:28:27,615 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 12:28:28,105 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 12:28:28,467 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 12:28:28,468 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-02 12:28:28,469 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 12:28:28 BoogieIcfgContainer [2023-12-02 12:28:28,470 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 12:28:28,473 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-02 12:28:28,473 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-02 12:28:28,476 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-02 12:28:28,476 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 12:28:26" (1/3) ... [2023-12-02 12:28:28,477 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7f8434a9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 12:28:28, skipping insertion in model container [2023-12-02 12:28:28,477 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:28:27" (2/3) ... [2023-12-02 12:28:28,478 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7f8434a9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 12:28:28, skipping insertion in model container [2023-12-02 12:28:28,478 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 12:28:28" (3/3) ... [2023-12-02 12:28:28,479 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodesize_ps-cn-25_file-78.i [2023-12-02 12:28:28,506 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-02 12:28:28,507 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-02 12:28:28,556 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-02 12:28:28,563 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;@3183ee53, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-02 12:28:28,563 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-02 12:28:28,568 INFO L276 IsEmpty]: Start isEmpty. Operand has 72 states, 29 states have (on average 1.103448275862069) internal successors, (32), 30 states have internal predecessors, (32), 40 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 40 states have call predecessors, (40), 40 states have call successors, (40) [2023-12-02 12:28:28,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2023-12-02 12:28:28,584 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 12:28:28,584 INFO L195 NwaCegarLoop]: trace histogram [40, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:28:28,585 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 12:28:28,590 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 12:28:28,590 INFO L85 PathProgramCache]: Analyzing trace with hash 1772850589, now seen corresponding path program 1 times [2023-12-02 12:28:28,600 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 12:28:28,600 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1620782751] [2023-12-02 12:28:28,600 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 12:28:28,601 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 12:28:28,775 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-02 12:28:28,776 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [512234588] [2023-12-02 12:28:28,776 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 12:28:28,776 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 12:28:28,776 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef7eb07f-86cf-4f45-8504-28f5730f4691/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 12:28:28,783 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef7eb07f-86cf-4f45-8504-28f5730f4691/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 12:28:28,784 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef7eb07f-86cf-4f45-8504-28f5730f4691/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-12-02 12:28:29,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 12:28:29,083 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 12:28:29,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 12:28:29,401 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-12-02 12:28:29,404 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-12-02 12:28:29,405 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-02 12:28:29,417 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef7eb07f-86cf-4f45-8504-28f5730f4691/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-12-02 12:28:29,608 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef7eb07f-86cf-4f45-8504-28f5730f4691/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 12:28:29,614 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-12-02 12:28:29,618 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-12-02 12:28:29,768 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 12:28:29 BoogieIcfgContainer [2023-12-02 12:28:29,768 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-02 12:28:29,769 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-02 12:28:29,769 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-02 12:28:29,769 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-02 12:28:29,770 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 12:28:28" (3/4) ... [2023-12-02 12:28:29,772 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-02 12:28:29,773 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-02 12:28:29,775 INFO L158 Benchmark]: Toolchain (without parser) took 2856.39ms. Allocated memory was 153.1MB in the beginning and 228.6MB in the end (delta: 75.5MB). Free memory was 105.4MB in the beginning and 114.7MB in the end (delta: -9.2MB). Peak memory consumption was 65.9MB. Max. memory is 16.1GB. [2023-12-02 12:28:29,775 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 100.7MB. Free memory is still 49.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 12:28:29,776 INFO L158 Benchmark]: CACSL2BoogieTranslator took 382.55ms. Allocated memory is still 153.1MB. Free memory was 105.4MB in the beginning and 88.3MB in the end (delta: 17.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-12-02 12:28:29,777 INFO L158 Benchmark]: Boogie Procedure Inliner took 75.93ms. Allocated memory is still 153.1MB. Free memory was 88.3MB in the beginning and 80.6MB in the end (delta: 7.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-12-02 12:28:29,778 INFO L158 Benchmark]: Boogie Preprocessor took 62.38ms. Allocated memory is still 153.1MB. Free memory was 80.6MB in the beginning and 77.5MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 12:28:29,778 INFO L158 Benchmark]: RCFGBuilder took 1027.54ms. Allocated memory was 153.1MB in the beginning and 228.6MB in the end (delta: 75.5MB). Free memory was 77.5MB in the beginning and 190.1MB in the end (delta: -112.7MB). Peak memory consumption was 45.1MB. Max. memory is 16.1GB. [2023-12-02 12:28:29,779 INFO L158 Benchmark]: TraceAbstraction took 1295.67ms. Allocated memory is still 228.6MB. Free memory was 189.1MB in the beginning and 114.7MB in the end (delta: 74.5MB). Peak memory consumption was 73.4MB. Max. memory is 16.1GB. [2023-12-02 12:28:29,779 INFO L158 Benchmark]: Witness Printer took 4.81ms. Allocated memory is still 228.6MB. Free memory is still 114.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 12:28:29,783 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 100.7MB. Free memory is still 49.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 382.55ms. Allocated memory is still 153.1MB. Free memory was 105.4MB in the beginning and 88.3MB in the end (delta: 17.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 75.93ms. Allocated memory is still 153.1MB. Free memory was 88.3MB in the beginning and 80.6MB in the end (delta: 7.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 62.38ms. Allocated memory is still 153.1MB. Free memory was 80.6MB in the beginning and 77.5MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1027.54ms. Allocated memory was 153.1MB in the beginning and 228.6MB in the end (delta: 75.5MB). Free memory was 77.5MB in the beginning and 190.1MB in the end (delta: -112.7MB). Peak memory consumption was 45.1MB. Max. memory is 16.1GB. * TraceAbstraction took 1295.67ms. Allocated memory is still 228.6MB. Free memory was 189.1MB in the beginning and 114.7MB in the end (delta: 74.5MB). Peak memory consumption was 73.4MB. Max. memory is 16.1GB. * Witness Printer took 4.81ms. Allocated memory is still 228.6MB. Free memory is still 114.7MB. 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 bitwiseOr at line 87, overapproximation of someUnaryDOUBLEoperation at line 49, overapproximation of bitwiseAnd at line 71, overapproximation of someBinaryArithmeticDOUBLEoperation at line 98, overapproximation of someBinaryDOUBLEComparisonOperation at line 72. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed long int var_1_1 = -4; [L23] unsigned char var_1_3 = 64; [L24] unsigned char var_1_4 = 0; [L25] unsigned char var_1_5 = 2; [L26] unsigned short int var_1_6 = 10; [L27] double var_1_8 = 1.875; [L28] signed long int var_1_9 = -4; [L29] double var_1_10 = 63.5; [L30] double var_1_11 = 255.375; [L31] double var_1_12 = 999999999.525; [L32] double var_1_13 = 63.75; [L33] double var_1_14 = 0.625; [L34] unsigned short int var_1_15 = 5; [L35] signed char var_1_16 = 4; [L36] signed char var_1_17 = 0; [L37] signed char var_1_18 = -2; [L38] signed char var_1_19 = 1; [L39] unsigned short int var_1_20 = 50; [L40] unsigned short int var_1_21 = 0; [L41] unsigned char var_1_22 = 2; [L42] unsigned char var_1_23 = 32; [L43] unsigned short int var_1_24 = 8; [L44] unsigned char var_1_25 = 0; [L45] unsigned short int var_1_26 = 63232; [L46] double var_1_27 = 1.75; [L47] signed char var_1_28 = 32; [L48] signed char var_1_29 = 4; [L49] double var_1_30 = -0.5; [L50] double var_1_31 = 100000000000000.5; [L51] unsigned long int var_1_32 = 0; [L52] unsigned char var_1_33 = 1; [L53] unsigned long int var_1_34 = 3561574674; [L54] double var_1_35 = 3.3; [L55] signed char var_1_36 = -32; [L56] signed char var_1_37 = 4; [L57] signed char var_1_38 = 0; [L58] signed char var_1_39 = 0; [L59] unsigned char last_1_var_1_3 = 64; [L60] unsigned short int last_1_var_1_6 = 10; [L61] unsigned short int last_1_var_1_15 = 5; [L62] unsigned short int last_1_var_1_20 = 50; [L63] unsigned short int last_1_var_1_21 = 0; [L191] isInitial = 1 [L192] FCALL initially() [L193] COND TRUE 1 [L194] CALL updateLastVariables() [L180] last_1_var_1_3 = var_1_3 [L181] last_1_var_1_6 = var_1_6 [L182] last_1_var_1_15 = var_1_15 [L183] last_1_var_1_20 = var_1_20 [L184] last_1_var_1_21 = var_1_21 [L194] RET updateLastVariables() [L195] CALL updateVariables() [L115] var_1_4 = __VERIFIER_nondet_uchar() [L116] CALL assume_abort_if_not(var_1_4 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=5, last_1_var_1_20=50, last_1_var_1_21=0, last_1_var_1_3=64, last_1_var_1_6=10, var_1_10=127/2, var_1_11=2043/8, var_1_12=39999999981/40, var_1_13=255/4, var_1_14=5/8, var_1_15=5, var_1_16=4, var_1_17=0, var_1_18=-2, var_1_19=1, var_1_1=-4, var_1_20=50, var_1_21=0, var_1_22=2, var_1_23=32, var_1_24=8, var_1_25=0, var_1_26=63232, var_1_27=7/4, var_1_28=32, var_1_29=4, var_1_31=200000000000001/2, var_1_32=0, var_1_33=1, var_1_34=3561574674, var_1_35=33/10, var_1_36=-32, var_1_37=4, var_1_38=0, var_1_39=0, var_1_3=64, var_1_5=2, var_1_6=10, var_1_8=15/8, var_1_9=-4] [L20] COND FALSE !(!cond) [L116] RET assume_abort_if_not(var_1_4 >= 0) VAL [isInitial=1, last_1_var_1_15=5, last_1_var_1_20=50, last_1_var_1_21=0, last_1_var_1_3=64, last_1_var_1_6=10, var_1_10=127/2, var_1_11=2043/8, var_1_12=39999999981/40, var_1_13=255/4, var_1_14=5/8, var_1_15=5, var_1_16=4, var_1_17=0, var_1_18=-2, var_1_19=1, var_1_1=-4, var_1_20=50, var_1_21=0, var_1_22=2, var_1_23=32, var_1_24=8, var_1_25=0, var_1_26=63232, var_1_27=7/4, var_1_28=32, var_1_29=4, var_1_31=200000000000001/2, var_1_32=0, var_1_33=1, var_1_34=3561574674, var_1_35=33/10, var_1_36=-32, var_1_37=4, var_1_38=0, var_1_39=0, var_1_3=64, var_1_5=2, var_1_6=10, var_1_8=15/8, var_1_9=-4] [L117] CALL assume_abort_if_not(var_1_4 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=5, last_1_var_1_20=50, last_1_var_1_21=0, last_1_var_1_3=64, last_1_var_1_6=10, var_1_10=127/2, var_1_11=2043/8, var_1_12=39999999981/40, var_1_13=255/4, var_1_14=5/8, var_1_15=5, var_1_16=4, var_1_17=0, var_1_18=-2, var_1_19=1, var_1_1=-4, var_1_20=50, var_1_21=0, var_1_22=2, var_1_23=32, var_1_24=8, var_1_25=0, var_1_26=63232, var_1_27=7/4, var_1_28=32, var_1_29=4, var_1_31=200000000000001/2, var_1_32=0, var_1_33=1, var_1_34=3561574674, var_1_35=33/10, var_1_36=-32, var_1_37=4, var_1_38=0, var_1_39=0, var_1_3=64, var_1_4=0, var_1_5=2, var_1_6=10, var_1_8=15/8, var_1_9=-4] [L20] COND FALSE !(!cond) [L117] RET assume_abort_if_not(var_1_4 <= 254) VAL [isInitial=1, last_1_var_1_15=5, last_1_var_1_20=50, last_1_var_1_21=0, last_1_var_1_3=64, last_1_var_1_6=10, var_1_10=127/2, var_1_11=2043/8, var_1_12=39999999981/40, var_1_13=255/4, var_1_14=5/8, var_1_15=5, var_1_16=4, var_1_17=0, var_1_18=-2, var_1_19=1, var_1_1=-4, var_1_20=50, var_1_21=0, var_1_22=2, var_1_23=32, var_1_24=8, var_1_25=0, var_1_26=63232, var_1_27=7/4, var_1_28=32, var_1_29=4, var_1_31=200000000000001/2, var_1_32=0, var_1_33=1, var_1_34=3561574674, var_1_35=33/10, var_1_36=-32, var_1_37=4, var_1_38=0, var_1_39=0, var_1_3=64, var_1_4=0, var_1_5=2, var_1_6=10, var_1_8=15/8, var_1_9=-4] [L118] var_1_5 = __VERIFIER_nondet_uchar() [L119] CALL assume_abort_if_not(var_1_5 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=5, last_1_var_1_20=50, last_1_var_1_21=0, last_1_var_1_3=64, last_1_var_1_6=10, var_1_10=127/2, var_1_11=2043/8, var_1_12=39999999981/40, var_1_13=255/4, var_1_14=5/8, var_1_15=5, var_1_16=4, var_1_17=0, var_1_18=-2, var_1_19=1, var_1_1=-4, var_1_20=50, var_1_21=0, var_1_22=2, var_1_23=32, var_1_24=8, var_1_25=0, var_1_26=63232, var_1_27=7/4, var_1_28=32, var_1_29=4, var_1_31=200000000000001/2, var_1_32=0, var_1_33=1, var_1_34=3561574674, var_1_35=33/10, var_1_36=-32, var_1_37=4, var_1_38=0, var_1_39=0, var_1_3=64, var_1_4=0, var_1_6=10, var_1_8=15/8, var_1_9=-4] [L20] COND FALSE !(!cond) [L119] RET assume_abort_if_not(var_1_5 >= 0) VAL [isInitial=1, last_1_var_1_15=5, last_1_var_1_20=50, last_1_var_1_21=0, last_1_var_1_3=64, last_1_var_1_6=10, var_1_10=127/2, var_1_11=2043/8, var_1_12=39999999981/40, var_1_13=255/4, var_1_14=5/8, var_1_15=5, var_1_16=4, var_1_17=0, var_1_18=-2, var_1_19=1, var_1_1=-4, var_1_20=50, var_1_21=0, var_1_22=2, var_1_23=32, var_1_24=8, var_1_25=0, var_1_26=63232, var_1_27=7/4, var_1_28=32, var_1_29=4, var_1_31=200000000000001/2, var_1_32=0, var_1_33=1, var_1_34=3561574674, var_1_35=33/10, var_1_36=-32, var_1_37=4, var_1_38=0, var_1_39=0, var_1_3=64, var_1_4=0, var_1_6=10, var_1_8=15/8, var_1_9=-4] [L120] CALL assume_abort_if_not(var_1_5 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=5, last_1_var_1_20=50, last_1_var_1_21=0, last_1_var_1_3=64, last_1_var_1_6=10, var_1_10=127/2, var_1_11=2043/8, var_1_12=39999999981/40, var_1_13=255/4, var_1_14=5/8, var_1_15=5, var_1_16=4, var_1_17=0, var_1_18=-2, var_1_19=1, var_1_1=-4, var_1_20=50, var_1_21=0, var_1_22=2, var_1_23=32, var_1_24=8, var_1_25=0, var_1_26=63232, var_1_27=7/4, var_1_28=32, var_1_29=4, var_1_31=200000000000001/2, var_1_32=0, var_1_33=1, var_1_34=3561574674, var_1_35=33/10, var_1_36=-32, var_1_37=4, var_1_38=0, var_1_39=0, var_1_3=64, var_1_4=0, var_1_5=96, var_1_6=10, var_1_8=15/8, var_1_9=-4] [L20] COND FALSE !(!cond) [L120] RET assume_abort_if_not(var_1_5 <= 254) VAL [isInitial=1, last_1_var_1_15=5, last_1_var_1_20=50, last_1_var_1_21=0, last_1_var_1_3=64, last_1_var_1_6=10, var_1_10=127/2, var_1_11=2043/8, var_1_12=39999999981/40, var_1_13=255/4, var_1_14=5/8, var_1_15=5, var_1_16=4, var_1_17=0, var_1_18=-2, var_1_19=1, var_1_1=-4, var_1_20=50, var_1_21=0, var_1_22=2, var_1_23=32, var_1_24=8, var_1_25=0, var_1_26=63232, var_1_27=7/4, var_1_28=32, var_1_29=4, var_1_31=200000000000001/2, var_1_32=0, var_1_33=1, var_1_34=3561574674, var_1_35=33/10, var_1_36=-32, var_1_37=4, var_1_38=0, var_1_39=0, var_1_3=64, var_1_4=0, var_1_5=96, var_1_6=10, var_1_8=15/8, var_1_9=-4] [L121] var_1_9 = __VERIFIER_nondet_long() [L122] CALL assume_abort_if_not(var_1_9 >= -2147483648) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=5, last_1_var_1_20=50, last_1_var_1_21=0, last_1_var_1_3=64, last_1_var_1_6=10, var_1_10=127/2, var_1_11=2043/8, var_1_12=39999999981/40, var_1_13=255/4, var_1_14=5/8, var_1_15=5, var_1_16=4, var_1_17=0, var_1_18=-2, var_1_19=1, var_1_1=-4, var_1_20=50, var_1_21=0, var_1_22=2, var_1_23=32, var_1_24=8, var_1_25=0, var_1_26=63232, var_1_27=7/4, var_1_28=32, var_1_29=4, var_1_31=200000000000001/2, var_1_32=0, var_1_33=1, var_1_34=3561574674, var_1_35=33/10, var_1_36=-32, var_1_37=4, var_1_38=0, var_1_39=0, var_1_3=64, var_1_4=0, var_1_5=96, var_1_6=10, var_1_8=15/8, var_1_9=-2147483648] [L20] COND FALSE !(!cond) [L122] RET assume_abort_if_not(var_1_9 >= -2147483648) VAL [isInitial=1, last_1_var_1_15=5, last_1_var_1_20=50, last_1_var_1_21=0, last_1_var_1_3=64, last_1_var_1_6=10, var_1_10=127/2, var_1_11=2043/8, var_1_12=39999999981/40, var_1_13=255/4, var_1_14=5/8, var_1_15=5, var_1_16=4, var_1_17=0, var_1_18=-2, var_1_19=1, var_1_1=-4, var_1_20=50, var_1_21=0, var_1_22=2, var_1_23=32, var_1_24=8, var_1_25=0, var_1_26=63232, var_1_27=7/4, var_1_28=32, var_1_29=4, var_1_31=200000000000001/2, var_1_32=0, var_1_33=1, var_1_34=3561574674, var_1_35=33/10, var_1_36=-32, var_1_37=4, var_1_38=0, var_1_39=0, var_1_3=64, var_1_4=0, var_1_5=96, var_1_6=10, var_1_8=15/8, var_1_9=-2147483648] [L123] CALL assume_abort_if_not(var_1_9 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=5, last_1_var_1_20=50, last_1_var_1_21=0, last_1_var_1_3=64, last_1_var_1_6=10, var_1_10=127/2, var_1_11=2043/8, var_1_12=39999999981/40, var_1_13=255/4, var_1_14=5/8, var_1_15=5, var_1_16=4, var_1_17=0, var_1_18=-2, var_1_19=1, var_1_1=-4, var_1_20=50, var_1_21=0, var_1_22=2, var_1_23=32, var_1_24=8, var_1_25=0, var_1_26=63232, var_1_27=7/4, var_1_28=32, var_1_29=4, var_1_31=200000000000001/2, var_1_32=0, var_1_33=1, var_1_34=3561574674, var_1_35=33/10, var_1_36=-32, var_1_37=4, var_1_38=0, var_1_39=0, var_1_3=64, var_1_4=0, var_1_5=96, var_1_6=10, var_1_8=15/8, var_1_9=-2147483648] [L20] COND FALSE !(!cond) [L123] RET assume_abort_if_not(var_1_9 <= 2147483647) VAL [isInitial=1, last_1_var_1_15=5, last_1_var_1_20=50, last_1_var_1_21=0, last_1_var_1_3=64, last_1_var_1_6=10, var_1_10=127/2, var_1_11=2043/8, var_1_12=39999999981/40, var_1_13=255/4, var_1_14=5/8, var_1_15=5, var_1_16=4, var_1_17=0, var_1_18=-2, var_1_19=1, var_1_1=-4, var_1_20=50, var_1_21=0, var_1_22=2, var_1_23=32, var_1_24=8, var_1_25=0, var_1_26=63232, var_1_27=7/4, var_1_28=32, var_1_29=4, var_1_31=200000000000001/2, var_1_32=0, var_1_33=1, var_1_34=3561574674, var_1_35=33/10, var_1_36=-32, var_1_37=4, var_1_38=0, var_1_39=0, var_1_3=64, var_1_4=0, var_1_5=96, var_1_6=10, var_1_8=15/8, var_1_9=-2147483648] [L124] CALL assume_abort_if_not(var_1_9 != 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=5, last_1_var_1_20=50, last_1_var_1_21=0, last_1_var_1_3=64, last_1_var_1_6=10, var_1_10=127/2, var_1_11=2043/8, var_1_12=39999999981/40, var_1_13=255/4, var_1_14=5/8, var_1_15=5, var_1_16=4, var_1_17=0, var_1_18=-2, var_1_19=1, var_1_1=-4, var_1_20=50, var_1_21=0, var_1_22=2, var_1_23=32, var_1_24=8, var_1_25=0, var_1_26=63232, var_1_27=7/4, var_1_28=32, var_1_29=4, var_1_31=200000000000001/2, var_1_32=0, var_1_33=1, var_1_34=3561574674, var_1_35=33/10, var_1_36=-32, var_1_37=4, var_1_38=0, var_1_39=0, var_1_3=64, var_1_4=0, var_1_5=96, var_1_6=10, var_1_8=15/8, var_1_9=-2147483648] [L20] COND FALSE !(!cond) [L124] RET assume_abort_if_not(var_1_9 != 0) VAL [isInitial=1, last_1_var_1_15=5, last_1_var_1_20=50, last_1_var_1_21=0, last_1_var_1_3=64, last_1_var_1_6=10, var_1_10=127/2, var_1_11=2043/8, var_1_12=39999999981/40, var_1_13=255/4, var_1_14=5/8, var_1_15=5, var_1_16=4, var_1_17=0, var_1_18=-2, var_1_19=1, var_1_1=-4, var_1_20=50, var_1_21=0, var_1_22=2, var_1_23=32, var_1_24=8, var_1_25=0, var_1_26=63232, var_1_27=7/4, var_1_28=32, var_1_29=4, var_1_31=200000000000001/2, var_1_32=0, var_1_33=1, var_1_34=3561574674, var_1_35=33/10, var_1_36=-32, var_1_37=4, var_1_38=0, var_1_39=0, var_1_3=64, var_1_4=0, var_1_5=96, var_1_6=10, var_1_8=15/8, var_1_9=-2147483648] [L125] var_1_10 = __VERIFIER_nondet_double() [L126] CALL assume_abort_if_not((var_1_10 >= 0.0F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 4611686.018427382800e+12F && var_1_10 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=5, last_1_var_1_20=50, last_1_var_1_21=0, last_1_var_1_3=64, last_1_var_1_6=10, var_1_11=2043/8, var_1_12=39999999981/40, var_1_13=255/4, var_1_14=5/8, var_1_15=5, var_1_16=4, var_1_17=0, var_1_18=-2, var_1_19=1, var_1_1=-4, var_1_20=50, var_1_21=0, var_1_22=2, var_1_23=32, var_1_24=8, var_1_25=0, var_1_26=63232, var_1_27=7/4, var_1_28=32, var_1_29=4, var_1_31=200000000000001/2, var_1_32=0, var_1_33=1, var_1_34=3561574674, var_1_35=33/10, var_1_36=-32, var_1_37=4, var_1_38=0, var_1_39=0, var_1_3=64, var_1_4=0, var_1_5=96, var_1_6=10, var_1_8=15/8, var_1_9=-2147483648] [L20] COND FALSE !(!cond) [L126] RET assume_abort_if_not((var_1_10 >= 0.0F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 4611686.018427382800e+12F && var_1_10 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_15=5, last_1_var_1_20=50, last_1_var_1_21=0, last_1_var_1_3=64, last_1_var_1_6=10, var_1_11=2043/8, var_1_12=39999999981/40, var_1_13=255/4, var_1_14=5/8, var_1_15=5, var_1_16=4, var_1_17=0, var_1_18=-2, var_1_19=1, var_1_1=-4, var_1_20=50, var_1_21=0, var_1_22=2, var_1_23=32, var_1_24=8, var_1_25=0, var_1_26=63232, var_1_27=7/4, var_1_28=32, var_1_29=4, var_1_31=200000000000001/2, var_1_32=0, var_1_33=1, var_1_34=3561574674, var_1_35=33/10, var_1_36=-32, var_1_37=4, var_1_38=0, var_1_39=0, var_1_3=64, var_1_4=0, var_1_5=96, var_1_6=10, var_1_8=15/8, var_1_9=-2147483648] [L127] var_1_11 = __VERIFIER_nondet_double() [L128] CALL assume_abort_if_not((var_1_11 >= 0.0F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 4611686.018427382800e+12F && var_1_11 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=5, last_1_var_1_20=50, last_1_var_1_21=0, last_1_var_1_3=64, last_1_var_1_6=10, var_1_12=39999999981/40, var_1_13=255/4, var_1_14=5/8, var_1_15=5, var_1_16=4, var_1_17=0, var_1_18=-2, var_1_19=1, var_1_1=-4, var_1_20=50, var_1_21=0, var_1_22=2, var_1_23=32, var_1_24=8, var_1_25=0, var_1_26=63232, var_1_27=7/4, var_1_28=32, var_1_29=4, var_1_31=200000000000001/2, var_1_32=0, var_1_33=1, var_1_34=3561574674, var_1_35=33/10, var_1_36=-32, var_1_37=4, var_1_38=0, var_1_39=0, var_1_3=64, var_1_4=0, var_1_5=96, var_1_6=10, var_1_8=15/8, var_1_9=-2147483648] [L20] COND FALSE !(!cond) [L128] RET assume_abort_if_not((var_1_11 >= 0.0F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 4611686.018427382800e+12F && var_1_11 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_15=5, last_1_var_1_20=50, last_1_var_1_21=0, last_1_var_1_3=64, last_1_var_1_6=10, var_1_12=39999999981/40, var_1_13=255/4, var_1_14=5/8, var_1_15=5, var_1_16=4, var_1_17=0, var_1_18=-2, var_1_19=1, var_1_1=-4, var_1_20=50, var_1_21=0, var_1_22=2, var_1_23=32, var_1_24=8, var_1_25=0, var_1_26=63232, var_1_27=7/4, var_1_28=32, var_1_29=4, var_1_31=200000000000001/2, var_1_32=0, var_1_33=1, var_1_34=3561574674, var_1_35=33/10, var_1_36=-32, var_1_37=4, var_1_38=0, var_1_39=0, var_1_3=64, var_1_4=0, var_1_5=96, var_1_6=10, var_1_8=15/8, var_1_9=-2147483648] [L129] var_1_12 = __VERIFIER_nondet_double() [L130] CALL assume_abort_if_not((var_1_12 >= 0.0F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 4611686.018427382800e+12F && var_1_12 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=5, last_1_var_1_20=50, last_1_var_1_21=0, last_1_var_1_3=64, last_1_var_1_6=10, var_1_13=255/4, var_1_14=5/8, var_1_15=5, var_1_16=4, var_1_17=0, var_1_18=-2, var_1_19=1, var_1_1=-4, var_1_20=50, var_1_21=0, var_1_22=2, var_1_23=32, var_1_24=8, var_1_25=0, var_1_26=63232, var_1_27=7/4, var_1_28=32, var_1_29=4, var_1_31=200000000000001/2, var_1_32=0, var_1_33=1, var_1_34=3561574674, var_1_35=33/10, var_1_36=-32, var_1_37=4, var_1_38=0, var_1_39=0, var_1_3=64, var_1_4=0, var_1_5=96, var_1_6=10, var_1_8=15/8, var_1_9=-2147483648] [L20] COND FALSE !(!cond) [L130] RET assume_abort_if_not((var_1_12 >= 0.0F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 4611686.018427382800e+12F && var_1_12 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_15=5, last_1_var_1_20=50, last_1_var_1_21=0, last_1_var_1_3=64, last_1_var_1_6=10, var_1_13=255/4, var_1_14=5/8, var_1_15=5, var_1_16=4, var_1_17=0, var_1_18=-2, var_1_19=1, var_1_1=-4, var_1_20=50, var_1_21=0, var_1_22=2, var_1_23=32, var_1_24=8, var_1_25=0, var_1_26=63232, var_1_27=7/4, var_1_28=32, var_1_29=4, var_1_31=200000000000001/2, var_1_32=0, var_1_33=1, var_1_34=3561574674, var_1_35=33/10, var_1_36=-32, var_1_37=4, var_1_38=0, var_1_39=0, var_1_3=64, var_1_4=0, var_1_5=96, var_1_6=10, var_1_8=15/8, var_1_9=-2147483648] [L131] var_1_13 = __VERIFIER_nondet_double() [L132] CALL assume_abort_if_not((var_1_13 >= 0.0F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 4611686.018427382800e+12F && var_1_13 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=5, last_1_var_1_20=50, last_1_var_1_21=0, last_1_var_1_3=64, last_1_var_1_6=10, var_1_14=5/8, var_1_15=5, var_1_16=4, var_1_17=0, var_1_18=-2, var_1_19=1, var_1_1=-4, var_1_20=50, var_1_21=0, var_1_22=2, var_1_23=32, var_1_24=8, var_1_25=0, var_1_26=63232, var_1_27=7/4, var_1_28=32, var_1_29=4, var_1_31=200000000000001/2, var_1_32=0, var_1_33=1, var_1_34=3561574674, var_1_35=33/10, var_1_36=-32, var_1_37=4, var_1_38=0, var_1_39=0, var_1_3=64, var_1_4=0, var_1_5=96, var_1_6=10, var_1_8=15/8, var_1_9=-2147483648] [L20] COND FALSE !(!cond) [L132] RET assume_abort_if_not((var_1_13 >= 0.0F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 4611686.018427382800e+12F && var_1_13 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_15=5, last_1_var_1_20=50, last_1_var_1_21=0, last_1_var_1_3=64, last_1_var_1_6=10, var_1_14=5/8, var_1_15=5, var_1_16=4, var_1_17=0, var_1_18=-2, var_1_19=1, var_1_1=-4, var_1_20=50, var_1_21=0, var_1_22=2, var_1_23=32, var_1_24=8, var_1_25=0, var_1_26=63232, var_1_27=7/4, var_1_28=32, var_1_29=4, var_1_31=200000000000001/2, var_1_32=0, var_1_33=1, var_1_34=3561574674, var_1_35=33/10, var_1_36=-32, var_1_37=4, var_1_38=0, var_1_39=0, var_1_3=64, var_1_4=0, var_1_5=96, var_1_6=10, var_1_8=15/8, var_1_9=-2147483648] [L133] var_1_14 = __VERIFIER_nondet_double() [L134] CALL assume_abort_if_not((var_1_14 >= 0.0F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 4611686.018427382800e+12F && var_1_14 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=5, last_1_var_1_20=50, last_1_var_1_21=0, last_1_var_1_3=64, last_1_var_1_6=10, var_1_15=5, var_1_16=4, var_1_17=0, var_1_18=-2, var_1_19=1, var_1_1=-4, var_1_20=50, var_1_21=0, var_1_22=2, var_1_23=32, var_1_24=8, var_1_25=0, var_1_26=63232, var_1_27=7/4, var_1_28=32, var_1_29=4, var_1_31=200000000000001/2, var_1_32=0, var_1_33=1, var_1_34=3561574674, var_1_35=33/10, var_1_36=-32, var_1_37=4, var_1_38=0, var_1_39=0, var_1_3=64, var_1_4=0, var_1_5=96, var_1_6=10, var_1_8=15/8, var_1_9=-2147483648] [L20] COND FALSE !(!cond) [L134] RET assume_abort_if_not((var_1_14 >= 0.0F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 4611686.018427382800e+12F && var_1_14 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_15=5, last_1_var_1_20=50, last_1_var_1_21=0, last_1_var_1_3=64, last_1_var_1_6=10, var_1_15=5, var_1_16=4, var_1_17=0, var_1_18=-2, var_1_19=1, var_1_1=-4, var_1_20=50, var_1_21=0, var_1_22=2, var_1_23=32, var_1_24=8, var_1_25=0, var_1_26=63232, var_1_27=7/4, var_1_28=32, var_1_29=4, var_1_31=200000000000001/2, var_1_32=0, var_1_33=1, var_1_34=3561574674, var_1_35=33/10, var_1_36=-32, var_1_37=4, var_1_38=0, var_1_39=0, var_1_3=64, var_1_4=0, var_1_5=96, var_1_6=10, var_1_8=15/8, var_1_9=-2147483648] [L135] var_1_17 = __VERIFIER_nondet_char() [L136] CALL assume_abort_if_not(var_1_17 >= -63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=5, last_1_var_1_20=50, last_1_var_1_21=0, last_1_var_1_3=64, last_1_var_1_6=10, var_1_15=5, var_1_16=4, var_1_17=-1, var_1_18=-2, var_1_19=1, var_1_1=-4, var_1_20=50, var_1_21=0, var_1_22=2, var_1_23=32, var_1_24=8, var_1_25=0, var_1_26=63232, var_1_27=7/4, var_1_28=32, var_1_29=4, var_1_31=200000000000001/2, var_1_32=0, var_1_33=1, var_1_34=3561574674, var_1_35=33/10, var_1_36=-32, var_1_37=4, var_1_38=0, var_1_39=0, var_1_3=64, var_1_4=0, var_1_5=96, var_1_6=10, var_1_8=15/8, var_1_9=-2147483648] [L20] COND FALSE !(!cond) [L136] RET assume_abort_if_not(var_1_17 >= -63) VAL [isInitial=1, last_1_var_1_15=5, last_1_var_1_20=50, last_1_var_1_21=0, last_1_var_1_3=64, last_1_var_1_6=10, var_1_15=5, var_1_16=4, var_1_17=-1, var_1_18=-2, var_1_19=1, var_1_1=-4, var_1_20=50, var_1_21=0, var_1_22=2, var_1_23=32, var_1_24=8, var_1_25=0, var_1_26=63232, var_1_27=7/4, var_1_28=32, var_1_29=4, var_1_31=200000000000001/2, var_1_32=0, var_1_33=1, var_1_34=3561574674, var_1_35=33/10, var_1_36=-32, var_1_37=4, var_1_38=0, var_1_39=0, var_1_3=64, var_1_4=0, var_1_5=96, var_1_6=10, var_1_8=15/8, var_1_9=-2147483648] [L137] CALL assume_abort_if_not(var_1_17 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=5, last_1_var_1_20=50, last_1_var_1_21=0, last_1_var_1_3=64, last_1_var_1_6=10, var_1_15=5, var_1_16=4, var_1_17=-1, var_1_18=-2, var_1_19=1, var_1_1=-4, var_1_20=50, var_1_21=0, var_1_22=2, var_1_23=32, var_1_24=8, var_1_25=0, var_1_26=63232, var_1_27=7/4, var_1_28=32, var_1_29=4, var_1_31=200000000000001/2, var_1_32=0, var_1_33=1, var_1_34=3561574674, var_1_35=33/10, var_1_36=-32, var_1_37=4, var_1_38=0, var_1_39=0, var_1_3=64, var_1_4=0, var_1_5=96, var_1_6=10, var_1_8=15/8, var_1_9=-2147483648] [L20] COND FALSE !(!cond) [L137] RET assume_abort_if_not(var_1_17 <= 63) VAL [isInitial=1, last_1_var_1_15=5, last_1_var_1_20=50, last_1_var_1_21=0, last_1_var_1_3=64, last_1_var_1_6=10, var_1_15=5, var_1_16=4, var_1_17=-1, var_1_18=-2, var_1_19=1, var_1_1=-4, var_1_20=50, var_1_21=0, var_1_22=2, var_1_23=32, var_1_24=8, var_1_25=0, var_1_26=63232, var_1_27=7/4, var_1_28=32, var_1_29=4, var_1_31=200000000000001/2, var_1_32=0, var_1_33=1, var_1_34=3561574674, var_1_35=33/10, var_1_36=-32, var_1_37=4, var_1_38=0, var_1_39=0, var_1_3=64, var_1_4=0, var_1_5=96, var_1_6=10, var_1_8=15/8, var_1_9=-2147483648] [L138] var_1_18 = __VERIFIER_nondet_char() [L139] CALL assume_abort_if_not(var_1_18 >= -31) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=5, last_1_var_1_20=50, last_1_var_1_21=0, last_1_var_1_3=64, last_1_var_1_6=10, var_1_15=5, var_1_16=4, var_1_17=-1, var_1_18=-13, var_1_19=1, var_1_1=-4, var_1_20=50, var_1_21=0, var_1_22=2, var_1_23=32, var_1_24=8, var_1_25=0, var_1_26=63232, var_1_27=7/4, var_1_28=32, var_1_29=4, var_1_31=200000000000001/2, var_1_32=0, var_1_33=1, var_1_34=3561574674, var_1_35=33/10, var_1_36=-32, var_1_37=4, var_1_38=0, var_1_39=0, var_1_3=64, var_1_4=0, var_1_5=96, var_1_6=10, var_1_8=15/8, var_1_9=-2147483648] [L20] COND FALSE !(!cond) [L139] RET assume_abort_if_not(var_1_18 >= -31) VAL [isInitial=1, last_1_var_1_15=5, last_1_var_1_20=50, last_1_var_1_21=0, last_1_var_1_3=64, last_1_var_1_6=10, var_1_15=5, var_1_16=4, var_1_17=-1, var_1_18=-13, var_1_19=1, var_1_1=-4, var_1_20=50, var_1_21=0, var_1_22=2, var_1_23=32, var_1_24=8, var_1_25=0, var_1_26=63232, var_1_27=7/4, var_1_28=32, var_1_29=4, var_1_31=200000000000001/2, var_1_32=0, var_1_33=1, var_1_34=3561574674, var_1_35=33/10, var_1_36=-32, var_1_37=4, var_1_38=0, var_1_39=0, var_1_3=64, var_1_4=0, var_1_5=96, var_1_6=10, var_1_8=15/8, var_1_9=-2147483648] [L140] CALL assume_abort_if_not(var_1_18 <= 32) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=5, last_1_var_1_20=50, last_1_var_1_21=0, last_1_var_1_3=64, last_1_var_1_6=10, var_1_15=5, var_1_16=4, var_1_17=-1, var_1_18=-13, var_1_19=1, var_1_1=-4, var_1_20=50, var_1_21=0, var_1_22=2, var_1_23=32, var_1_24=8, var_1_25=0, var_1_26=63232, var_1_27=7/4, var_1_28=32, var_1_29=4, var_1_31=200000000000001/2, var_1_32=0, var_1_33=1, var_1_34=3561574674, var_1_35=33/10, var_1_36=-32, var_1_37=4, var_1_38=0, var_1_39=0, var_1_3=64, var_1_4=0, var_1_5=96, var_1_6=10, var_1_8=15/8, var_1_9=-2147483648] [L20] COND FALSE !(!cond) [L140] RET assume_abort_if_not(var_1_18 <= 32) VAL [isInitial=1, last_1_var_1_15=5, last_1_var_1_20=50, last_1_var_1_21=0, last_1_var_1_3=64, last_1_var_1_6=10, var_1_15=5, var_1_16=4, var_1_17=-1, var_1_18=-13, var_1_19=1, var_1_1=-4, var_1_20=50, var_1_21=0, var_1_22=2, var_1_23=32, var_1_24=8, var_1_25=0, var_1_26=63232, var_1_27=7/4, var_1_28=32, var_1_29=4, var_1_31=200000000000001/2, var_1_32=0, var_1_33=1, var_1_34=3561574674, var_1_35=33/10, var_1_36=-32, var_1_37=4, var_1_38=0, var_1_39=0, var_1_3=64, var_1_4=0, var_1_5=96, var_1_6=10, var_1_8=15/8, var_1_9=-2147483648] [L141] var_1_19 = __VERIFIER_nondet_char() [L142] CALL assume_abort_if_not(var_1_19 >= -31) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=5, last_1_var_1_20=50, last_1_var_1_21=0, last_1_var_1_3=64, last_1_var_1_6=10, var_1_15=5, var_1_16=4, var_1_17=-1, var_1_18=-13, var_1_19=19, var_1_1=-4, var_1_20=50, var_1_21=0, var_1_22=2, var_1_23=32, var_1_24=8, var_1_25=0, var_1_26=63232, var_1_27=7/4, var_1_28=32, var_1_29=4, var_1_31=200000000000001/2, var_1_32=0, var_1_33=1, var_1_34=3561574674, var_1_35=33/10, var_1_36=-32, var_1_37=4, var_1_38=0, var_1_39=0, var_1_3=64, var_1_4=0, var_1_5=96, var_1_6=10, var_1_8=15/8, var_1_9=-2147483648] [L20] COND FALSE !(!cond) [L142] RET assume_abort_if_not(var_1_19 >= -31) VAL [isInitial=1, last_1_var_1_15=5, last_1_var_1_20=50, last_1_var_1_21=0, last_1_var_1_3=64, last_1_var_1_6=10, var_1_15=5, var_1_16=4, var_1_17=-1, var_1_18=-13, var_1_19=19, var_1_1=-4, var_1_20=50, var_1_21=0, var_1_22=2, var_1_23=32, var_1_24=8, var_1_25=0, var_1_26=63232, var_1_27=7/4, var_1_28=32, var_1_29=4, var_1_31=200000000000001/2, var_1_32=0, var_1_33=1, var_1_34=3561574674, var_1_35=33/10, var_1_36=-32, var_1_37=4, var_1_38=0, var_1_39=0, var_1_3=64, var_1_4=0, var_1_5=96, var_1_6=10, var_1_8=15/8, var_1_9=-2147483648] [L143] CALL assume_abort_if_not(var_1_19 <= 31) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=5, last_1_var_1_20=50, last_1_var_1_21=0, last_1_var_1_3=64, last_1_var_1_6=10, var_1_15=5, var_1_16=4, var_1_17=-1, var_1_18=-13, var_1_19=19, var_1_1=-4, var_1_20=50, var_1_21=0, var_1_22=2, var_1_23=32, var_1_24=8, var_1_25=0, var_1_26=63232, var_1_27=7/4, var_1_28=32, var_1_29=4, var_1_31=200000000000001/2, var_1_32=0, var_1_33=1, var_1_34=3561574674, var_1_35=33/10, var_1_36=-32, var_1_37=4, var_1_38=0, var_1_39=0, var_1_3=64, var_1_4=0, var_1_5=96, var_1_6=10, var_1_8=15/8, var_1_9=-2147483648] [L20] COND FALSE !(!cond) [L143] RET assume_abort_if_not(var_1_19 <= 31) VAL [isInitial=1, last_1_var_1_15=5, last_1_var_1_20=50, last_1_var_1_21=0, last_1_var_1_3=64, last_1_var_1_6=10, var_1_15=5, var_1_16=4, var_1_17=-1, var_1_18=-13, var_1_19=19, var_1_1=-4, var_1_20=50, var_1_21=0, var_1_22=2, var_1_23=32, var_1_24=8, var_1_25=0, var_1_26=63232, var_1_27=7/4, var_1_28=32, var_1_29=4, var_1_31=200000000000001/2, var_1_32=0, var_1_33=1, var_1_34=3561574674, var_1_35=33/10, var_1_36=-32, var_1_37=4, var_1_38=0, var_1_39=0, var_1_3=64, var_1_4=0, var_1_5=96, var_1_6=10, var_1_8=15/8, var_1_9=-2147483648] [L144] var_1_23 = __VERIFIER_nondet_uchar() [L145] CALL assume_abort_if_not(var_1_23 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=5, last_1_var_1_20=50, last_1_var_1_21=0, last_1_var_1_3=64, last_1_var_1_6=10, var_1_15=5, var_1_16=4, var_1_17=-1, var_1_18=-13, var_1_19=19, var_1_1=-4, var_1_20=50, var_1_21=0, var_1_22=2, var_1_24=8, var_1_25=0, var_1_26=63232, var_1_27=7/4, var_1_28=32, var_1_29=4, var_1_31=200000000000001/2, var_1_32=0, var_1_33=1, var_1_34=3561574674, var_1_35=33/10, var_1_36=-32, var_1_37=4, var_1_38=0, var_1_39=0, var_1_3=64, var_1_4=0, var_1_5=96, var_1_6=10, var_1_8=15/8, var_1_9=-2147483648] [L20] COND FALSE !(!cond) [L145] RET assume_abort_if_not(var_1_23 >= 0) VAL [isInitial=1, last_1_var_1_15=5, last_1_var_1_20=50, last_1_var_1_21=0, last_1_var_1_3=64, last_1_var_1_6=10, var_1_15=5, var_1_16=4, var_1_17=-1, var_1_18=-13, var_1_19=19, var_1_1=-4, var_1_20=50, var_1_21=0, var_1_22=2, var_1_24=8, var_1_25=0, var_1_26=63232, var_1_27=7/4, var_1_28=32, var_1_29=4, var_1_31=200000000000001/2, var_1_32=0, var_1_33=1, var_1_34=3561574674, var_1_35=33/10, var_1_36=-32, var_1_37=4, var_1_38=0, var_1_39=0, var_1_3=64, var_1_4=0, var_1_5=96, var_1_6=10, var_1_8=15/8, var_1_9=-2147483648] [L146] CALL assume_abort_if_not(var_1_23 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=5, last_1_var_1_20=50, last_1_var_1_21=0, last_1_var_1_3=64, last_1_var_1_6=10, var_1_15=5, var_1_16=4, var_1_17=-1, var_1_18=-13, var_1_19=19, var_1_1=-4, var_1_20=50, var_1_21=0, var_1_22=2, var_1_23=0, var_1_24=8, var_1_25=0, var_1_26=63232, var_1_27=7/4, var_1_28=32, var_1_29=4, var_1_31=200000000000001/2, var_1_32=0, var_1_33=1, var_1_34=3561574674, var_1_35=33/10, var_1_36=-32, var_1_37=4, var_1_38=0, var_1_39=0, var_1_3=64, var_1_4=0, var_1_5=96, var_1_6=10, var_1_8=15/8, var_1_9=-2147483648] [L20] COND FALSE !(!cond) [L146] RET assume_abort_if_not(var_1_23 <= 254) VAL [isInitial=1, last_1_var_1_15=5, last_1_var_1_20=50, last_1_var_1_21=0, last_1_var_1_3=64, last_1_var_1_6=10, var_1_15=5, var_1_16=4, var_1_17=-1, var_1_18=-13, var_1_19=19, var_1_1=-4, var_1_20=50, var_1_21=0, var_1_22=2, var_1_23=0, var_1_24=8, var_1_25=0, var_1_26=63232, var_1_27=7/4, var_1_28=32, var_1_29=4, var_1_31=200000000000001/2, var_1_32=0, var_1_33=1, var_1_34=3561574674, var_1_35=33/10, var_1_36=-32, var_1_37=4, var_1_38=0, var_1_39=0, var_1_3=64, var_1_4=0, var_1_5=96, var_1_6=10, var_1_8=15/8, var_1_9=-2147483648] [L147] var_1_25 = __VERIFIER_nondet_uchar() [L148] CALL assume_abort_if_not(var_1_25 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=5, last_1_var_1_20=50, last_1_var_1_21=0, last_1_var_1_3=64, last_1_var_1_6=10, var_1_15=5, var_1_16=4, var_1_17=-1, var_1_18=-13, var_1_19=19, var_1_1=-4, var_1_20=50, var_1_21=0, var_1_22=2, var_1_23=0, var_1_24=8, var_1_26=63232, var_1_27=7/4, var_1_28=32, var_1_29=4, var_1_31=200000000000001/2, var_1_32=0, var_1_33=1, var_1_34=3561574674, var_1_35=33/10, var_1_36=-32, var_1_37=4, var_1_38=0, var_1_39=0, var_1_3=64, var_1_4=0, var_1_5=96, var_1_6=10, var_1_8=15/8, var_1_9=-2147483648] [L20] COND FALSE !(!cond) [L148] RET assume_abort_if_not(var_1_25 >= 0) VAL [isInitial=1, last_1_var_1_15=5, last_1_var_1_20=50, last_1_var_1_21=0, last_1_var_1_3=64, last_1_var_1_6=10, var_1_15=5, var_1_16=4, var_1_17=-1, var_1_18=-13, var_1_19=19, var_1_1=-4, var_1_20=50, var_1_21=0, var_1_22=2, var_1_23=0, var_1_24=8, var_1_26=63232, var_1_27=7/4, var_1_28=32, var_1_29=4, var_1_31=200000000000001/2, var_1_32=0, var_1_33=1, var_1_34=3561574674, var_1_35=33/10, var_1_36=-32, var_1_37=4, var_1_38=0, var_1_39=0, var_1_3=64, var_1_4=0, var_1_5=96, var_1_6=10, var_1_8=15/8, var_1_9=-2147483648] [L149] CALL assume_abort_if_not(var_1_25 <= 255) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=5, last_1_var_1_20=50, last_1_var_1_21=0, last_1_var_1_3=64, last_1_var_1_6=10, var_1_15=5, var_1_16=4, var_1_17=-1, var_1_18=-13, var_1_19=19, var_1_1=-4, var_1_20=50, var_1_21=0, var_1_22=2, var_1_23=0, var_1_24=8, var_1_26=63232, var_1_27=7/4, var_1_28=32, var_1_29=4, var_1_31=200000000000001/2, var_1_32=0, var_1_33=1, var_1_34=3561574674, var_1_35=33/10, var_1_36=-32, var_1_37=4, var_1_38=0, var_1_39=0, var_1_3=64, var_1_4=0, var_1_5=96, var_1_6=10, var_1_8=15/8, var_1_9=-2147483648] [L20] COND FALSE !(!cond) [L149] RET assume_abort_if_not(var_1_25 <= 255) VAL [isInitial=1, last_1_var_1_15=5, last_1_var_1_20=50, last_1_var_1_21=0, last_1_var_1_3=64, last_1_var_1_6=10, var_1_15=5, var_1_16=4, var_1_17=-1, var_1_18=-13, var_1_19=19, var_1_1=-4, var_1_20=50, var_1_21=0, var_1_22=2, var_1_23=0, var_1_24=8, var_1_26=63232, var_1_27=7/4, var_1_28=32, var_1_29=4, var_1_31=200000000000001/2, var_1_32=0, var_1_33=1, var_1_34=3561574674, var_1_35=33/10, var_1_36=-32, var_1_37=4, var_1_38=0, var_1_39=0, var_1_3=64, var_1_4=0, var_1_5=96, var_1_6=10, var_1_8=15/8, var_1_9=-2147483648] [L150] var_1_26 = __VERIFIER_nondet_ushort() [L151] CALL assume_abort_if_not(var_1_26 >= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=5, last_1_var_1_20=50, last_1_var_1_21=0, last_1_var_1_3=64, last_1_var_1_6=10, var_1_15=5, var_1_16=4, var_1_17=-1, var_1_18=-13, var_1_19=19, var_1_1=-4, var_1_20=50, var_1_21=0, var_1_22=2, var_1_23=0, var_1_24=8, var_1_26=32767, var_1_27=7/4, var_1_28=32, var_1_29=4, var_1_31=200000000000001/2, var_1_32=0, var_1_33=1, var_1_34=3561574674, var_1_35=33/10, var_1_36=-32, var_1_37=4, var_1_38=0, var_1_39=0, var_1_3=64, var_1_4=0, var_1_5=96, var_1_6=10, var_1_8=15/8, var_1_9=-2147483648] [L20] COND FALSE !(!cond) [L151] RET assume_abort_if_not(var_1_26 >= 32767) VAL [isInitial=1, last_1_var_1_15=5, last_1_var_1_20=50, last_1_var_1_21=0, last_1_var_1_3=64, last_1_var_1_6=10, var_1_15=5, var_1_16=4, var_1_17=-1, var_1_18=-13, var_1_19=19, var_1_1=-4, var_1_20=50, var_1_21=0, var_1_22=2, var_1_23=0, var_1_24=8, var_1_26=32767, var_1_27=7/4, var_1_28=32, var_1_29=4, var_1_31=200000000000001/2, var_1_32=0, var_1_33=1, var_1_34=3561574674, var_1_35=33/10, var_1_36=-32, var_1_37=4, var_1_38=0, var_1_39=0, var_1_3=64, var_1_4=0, var_1_5=96, var_1_6=10, var_1_8=15/8, var_1_9=-2147483648] [L152] CALL assume_abort_if_not(var_1_26 <= 65534) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=5, last_1_var_1_20=50, last_1_var_1_21=0, last_1_var_1_3=64, last_1_var_1_6=10, var_1_15=5, var_1_16=4, var_1_17=-1, var_1_18=-13, var_1_19=19, var_1_1=-4, var_1_20=50, var_1_21=0, var_1_22=2, var_1_23=0, var_1_24=8, var_1_26=32767, var_1_27=7/4, var_1_28=32, var_1_29=4, var_1_31=200000000000001/2, var_1_32=0, var_1_33=1, var_1_34=3561574674, var_1_35=33/10, var_1_36=-32, var_1_37=4, var_1_38=0, var_1_39=0, var_1_3=64, var_1_4=0, var_1_5=96, var_1_6=10, var_1_8=15/8, var_1_9=-2147483648] [L20] COND FALSE !(!cond) [L152] RET assume_abort_if_not(var_1_26 <= 65534) VAL [isInitial=1, last_1_var_1_15=5, last_1_var_1_20=50, last_1_var_1_21=0, last_1_var_1_3=64, last_1_var_1_6=10, var_1_15=5, var_1_16=4, var_1_17=-1, var_1_18=-13, var_1_19=19, var_1_1=-4, var_1_20=50, var_1_21=0, var_1_22=2, var_1_23=0, var_1_24=8, var_1_26=32767, var_1_27=7/4, var_1_28=32, var_1_29=4, var_1_31=200000000000001/2, var_1_32=0, var_1_33=1, var_1_34=3561574674, var_1_35=33/10, var_1_36=-32, var_1_37=4, var_1_38=0, var_1_39=0, var_1_3=64, var_1_4=0, var_1_5=96, var_1_6=10, var_1_8=15/8, var_1_9=-2147483648] [L153] var_1_28 = __VERIFIER_nondet_char() [L154] CALL assume_abort_if_not(var_1_28 >= -1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=5, last_1_var_1_20=50, last_1_var_1_21=0, last_1_var_1_3=64, last_1_var_1_6=10, var_1_15=5, var_1_16=4, var_1_17=-1, var_1_18=-13, var_1_19=19, var_1_1=-4, var_1_20=50, var_1_21=0, var_1_22=2, var_1_23=0, var_1_24=8, var_1_26=32767, var_1_27=7/4, var_1_28=0, var_1_29=4, var_1_31=200000000000001/2, var_1_32=0, var_1_33=1, var_1_34=3561574674, var_1_35=33/10, var_1_36=-32, var_1_37=4, var_1_38=0, var_1_39=0, var_1_3=64, var_1_4=0, var_1_5=96, var_1_6=10, var_1_8=15/8, var_1_9=-2147483648] [L20] COND FALSE !(!cond) [L154] RET assume_abort_if_not(var_1_28 >= -1) VAL [isInitial=1, last_1_var_1_15=5, last_1_var_1_20=50, last_1_var_1_21=0, last_1_var_1_3=64, last_1_var_1_6=10, var_1_15=5, var_1_16=4, var_1_17=-1, var_1_18=-13, var_1_19=19, var_1_1=-4, var_1_20=50, var_1_21=0, var_1_22=2, var_1_23=0, var_1_24=8, var_1_26=32767, var_1_27=7/4, var_1_28=0, var_1_29=4, var_1_31=200000000000001/2, var_1_32=0, var_1_33=1, var_1_34=3561574674, var_1_35=33/10, var_1_36=-32, var_1_37=4, var_1_38=0, var_1_39=0, var_1_3=64, var_1_4=0, var_1_5=96, var_1_6=10, var_1_8=15/8, var_1_9=-2147483648] [L155] CALL assume_abort_if_not(var_1_28 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=5, last_1_var_1_20=50, last_1_var_1_21=0, last_1_var_1_3=64, last_1_var_1_6=10, var_1_15=5, var_1_16=4, var_1_17=-1, var_1_18=-13, var_1_19=19, var_1_1=-4, var_1_20=50, var_1_21=0, var_1_22=2, var_1_23=0, var_1_24=8, var_1_26=32767, var_1_27=7/4, var_1_28=0, var_1_29=4, var_1_31=200000000000001/2, var_1_32=0, var_1_33=1, var_1_34=3561574674, var_1_35=33/10, var_1_36=-32, var_1_37=4, var_1_38=0, var_1_39=0, var_1_3=64, var_1_4=0, var_1_5=96, var_1_6=10, var_1_8=15/8, var_1_9=-2147483648] [L20] COND FALSE !(!cond) [L155] RET assume_abort_if_not(var_1_28 <= 127) VAL [isInitial=1, last_1_var_1_15=5, last_1_var_1_20=50, last_1_var_1_21=0, last_1_var_1_3=64, last_1_var_1_6=10, var_1_15=5, var_1_16=4, var_1_17=-1, var_1_18=-13, var_1_19=19, var_1_1=-4, var_1_20=50, var_1_21=0, var_1_22=2, var_1_23=0, var_1_24=8, var_1_26=32767, var_1_27=7/4, var_1_28=0, var_1_29=4, var_1_31=200000000000001/2, var_1_32=0, var_1_33=1, var_1_34=3561574674, var_1_35=33/10, var_1_36=-32, var_1_37=4, var_1_38=0, var_1_39=0, var_1_3=64, var_1_4=0, var_1_5=96, var_1_6=10, var_1_8=15/8, var_1_9=-2147483648] [L156] var_1_29 = __VERIFIER_nondet_char() [L157] CALL assume_abort_if_not(var_1_29 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=5, last_1_var_1_20=50, last_1_var_1_21=0, last_1_var_1_3=64, last_1_var_1_6=10, var_1_15=5, var_1_16=4, var_1_17=-1, var_1_18=-13, var_1_19=19, var_1_1=-4, var_1_20=50, var_1_21=0, var_1_22=2, var_1_23=0, var_1_24=8, var_1_26=32767, var_1_27=7/4, var_1_28=0, var_1_29=9, var_1_31=200000000000001/2, var_1_32=0, var_1_33=1, var_1_34=3561574674, var_1_35=33/10, var_1_36=-32, var_1_37=4, var_1_38=0, var_1_39=0, var_1_3=64, var_1_4=0, var_1_5=96, var_1_6=10, var_1_8=15/8, var_1_9=-2147483648] [L20] COND FALSE !(!cond) [L157] RET assume_abort_if_not(var_1_29 >= 0) VAL [isInitial=1, last_1_var_1_15=5, last_1_var_1_20=50, last_1_var_1_21=0, last_1_var_1_3=64, last_1_var_1_6=10, var_1_15=5, var_1_16=4, var_1_17=-1, var_1_18=-13, var_1_19=19, var_1_1=-4, var_1_20=50, var_1_21=0, var_1_22=2, var_1_23=0, var_1_24=8, var_1_26=32767, var_1_27=7/4, var_1_28=0, var_1_29=9, var_1_31=200000000000001/2, var_1_32=0, var_1_33=1, var_1_34=3561574674, var_1_35=33/10, var_1_36=-32, var_1_37=4, var_1_38=0, var_1_39=0, var_1_3=64, var_1_4=0, var_1_5=96, var_1_6=10, var_1_8=15/8, var_1_9=-2147483648] [L158] CALL assume_abort_if_not(var_1_29 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=5, last_1_var_1_20=50, last_1_var_1_21=0, last_1_var_1_3=64, last_1_var_1_6=10, var_1_15=5, var_1_16=4, var_1_17=-1, var_1_18=-13, var_1_19=19, var_1_1=-4, var_1_20=50, var_1_21=0, var_1_22=2, var_1_23=0, var_1_24=8, var_1_26=32767, var_1_27=7/4, var_1_28=0, var_1_29=9, var_1_31=200000000000001/2, var_1_32=0, var_1_33=1, var_1_34=3561574674, var_1_35=33/10, var_1_36=-32, var_1_37=4, var_1_38=0, var_1_39=0, var_1_3=64, var_1_4=0, var_1_5=96, var_1_6=10, var_1_8=15/8, var_1_9=-2147483648] [L20] COND FALSE !(!cond) [L158] RET assume_abort_if_not(var_1_29 <= 127) VAL [isInitial=1, last_1_var_1_15=5, last_1_var_1_20=50, last_1_var_1_21=0, last_1_var_1_3=64, last_1_var_1_6=10, var_1_15=5, var_1_16=4, var_1_17=-1, var_1_18=-13, var_1_19=19, var_1_1=-4, var_1_20=50, var_1_21=0, var_1_22=2, var_1_23=0, var_1_24=8, var_1_26=32767, var_1_27=7/4, var_1_28=0, var_1_29=9, var_1_31=200000000000001/2, var_1_32=0, var_1_33=1, var_1_34=3561574674, var_1_35=33/10, var_1_36=-32, var_1_37=4, var_1_38=0, var_1_39=0, var_1_3=64, var_1_4=0, var_1_5=96, var_1_6=10, var_1_8=15/8, var_1_9=-2147483648] [L159] var_1_30 = __VERIFIER_nondet_double() [L160] CALL assume_abort_if_not((var_1_30 >= -922337.2036854765600e+13F && var_1_30 <= -1.0e-20F) || (var_1_30 <= 9223372.036854765600e+12F && var_1_30 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=5, last_1_var_1_20=50, last_1_var_1_21=0, last_1_var_1_3=64, last_1_var_1_6=10, var_1_15=5, var_1_16=4, var_1_17=-1, var_1_18=-13, var_1_19=19, var_1_1=-4, var_1_20=50, var_1_21=0, var_1_22=2, var_1_23=0, var_1_24=8, var_1_26=32767, var_1_27=7/4, var_1_28=0, var_1_29=9, var_1_31=200000000000001/2, var_1_32=0, var_1_33=1, var_1_34=3561574674, var_1_35=33/10, var_1_36=-32, var_1_37=4, var_1_38=0, var_1_39=0, var_1_3=64, var_1_4=0, var_1_5=96, var_1_6=10, var_1_8=15/8, var_1_9=-2147483648] [L20] COND FALSE !(!cond) [L160] RET assume_abort_if_not((var_1_30 >= -922337.2036854765600e+13F && var_1_30 <= -1.0e-20F) || (var_1_30 <= 9223372.036854765600e+12F && var_1_30 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_15=5, last_1_var_1_20=50, last_1_var_1_21=0, last_1_var_1_3=64, last_1_var_1_6=10, var_1_15=5, var_1_16=4, var_1_17=-1, var_1_18=-13, var_1_19=19, var_1_1=-4, var_1_20=50, var_1_21=0, var_1_22=2, var_1_23=0, var_1_24=8, var_1_26=32767, var_1_27=7/4, var_1_28=0, var_1_29=9, var_1_31=200000000000001/2, var_1_32=0, var_1_33=1, var_1_34=3561574674, var_1_35=33/10, var_1_36=-32, var_1_37=4, var_1_38=0, var_1_39=0, var_1_3=64, var_1_4=0, var_1_5=96, var_1_6=10, var_1_8=15/8, var_1_9=-2147483648] [L161] var_1_31 = __VERIFIER_nondet_double() [L162] CALL assume_abort_if_not((var_1_31 >= -922337.2036854765600e+13F && var_1_31 <= -1.0e-20F) || (var_1_31 <= 9223372.036854765600e+12F && var_1_31 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=5, last_1_var_1_20=50, last_1_var_1_21=0, last_1_var_1_3=64, last_1_var_1_6=10, var_1_15=5, var_1_16=4, var_1_17=-1, var_1_18=-13, var_1_19=19, var_1_1=-4, var_1_20=50, var_1_21=0, var_1_22=2, var_1_23=0, var_1_24=8, var_1_26=32767, var_1_27=7/4, var_1_28=0, var_1_29=9, var_1_32=0, var_1_33=1, var_1_34=3561574674, var_1_35=33/10, var_1_36=-32, var_1_37=4, var_1_38=0, var_1_39=0, var_1_3=64, var_1_4=0, var_1_5=96, var_1_6=10, var_1_8=15/8, var_1_9=-2147483648] [L20] COND FALSE !(!cond) [L162] RET assume_abort_if_not((var_1_31 >= -922337.2036854765600e+13F && var_1_31 <= -1.0e-20F) || (var_1_31 <= 9223372.036854765600e+12F && var_1_31 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_15=5, last_1_var_1_20=50, last_1_var_1_21=0, last_1_var_1_3=64, last_1_var_1_6=10, var_1_15=5, var_1_16=4, var_1_17=-1, var_1_18=-13, var_1_19=19, var_1_1=-4, var_1_20=50, var_1_21=0, var_1_22=2, var_1_23=0, var_1_24=8, var_1_26=32767, var_1_27=7/4, var_1_28=0, var_1_29=9, var_1_32=0, var_1_33=1, var_1_34=3561574674, var_1_35=33/10, var_1_36=-32, var_1_37=4, var_1_38=0, var_1_39=0, var_1_3=64, var_1_4=0, var_1_5=96, var_1_6=10, var_1_8=15/8, var_1_9=-2147483648] [L163] var_1_33 = __VERIFIER_nondet_uchar() [L164] CALL assume_abort_if_not(var_1_33 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=5, last_1_var_1_20=50, last_1_var_1_21=0, last_1_var_1_3=64, last_1_var_1_6=10, var_1_15=5, var_1_16=4, var_1_17=-1, var_1_18=-13, var_1_19=19, var_1_1=-4, var_1_20=50, var_1_21=0, var_1_22=2, var_1_23=0, var_1_24=8, var_1_26=32767, var_1_27=7/4, var_1_28=0, var_1_29=9, var_1_32=0, var_1_34=3561574674, var_1_35=33/10, var_1_36=-32, var_1_37=4, var_1_38=0, var_1_39=0, var_1_3=64, var_1_4=0, var_1_5=96, var_1_6=10, var_1_8=15/8, var_1_9=-2147483648] [L20] COND FALSE !(!cond) [L164] RET assume_abort_if_not(var_1_33 >= 0) VAL [isInitial=1, last_1_var_1_15=5, last_1_var_1_20=50, last_1_var_1_21=0, last_1_var_1_3=64, last_1_var_1_6=10, var_1_15=5, var_1_16=4, var_1_17=-1, var_1_18=-13, var_1_19=19, var_1_1=-4, var_1_20=50, var_1_21=0, var_1_22=2, var_1_23=0, var_1_24=8, var_1_26=32767, var_1_27=7/4, var_1_28=0, var_1_29=9, var_1_32=0, var_1_34=3561574674, var_1_35=33/10, var_1_36=-32, var_1_37=4, var_1_38=0, var_1_39=0, var_1_3=64, var_1_4=0, var_1_5=96, var_1_6=10, var_1_8=15/8, var_1_9=-2147483648] [L165] CALL assume_abort_if_not(var_1_33 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=5, last_1_var_1_20=50, last_1_var_1_21=0, last_1_var_1_3=64, last_1_var_1_6=10, var_1_15=5, var_1_16=4, var_1_17=-1, var_1_18=-13, var_1_19=19, var_1_1=-4, var_1_20=50, var_1_21=0, var_1_22=2, var_1_23=0, var_1_24=8, var_1_26=32767, var_1_27=7/4, var_1_28=0, var_1_29=9, var_1_32=0, var_1_33=1, var_1_34=3561574674, var_1_35=33/10, var_1_36=-32, var_1_37=4, var_1_38=0, var_1_39=0, var_1_3=64, var_1_4=0, var_1_5=96, var_1_6=10, var_1_8=15/8, var_1_9=-2147483648] [L20] COND FALSE !(!cond) [L165] RET assume_abort_if_not(var_1_33 <= 1) VAL [isInitial=1, last_1_var_1_15=5, last_1_var_1_20=50, last_1_var_1_21=0, last_1_var_1_3=64, last_1_var_1_6=10, var_1_15=5, var_1_16=4, var_1_17=-1, var_1_18=-13, var_1_19=19, var_1_1=-4, var_1_20=50, var_1_21=0, var_1_22=2, var_1_23=0, var_1_24=8, var_1_26=32767, var_1_27=7/4, var_1_28=0, var_1_29=9, var_1_32=0, var_1_33=1, var_1_34=3561574674, var_1_35=33/10, var_1_36=-32, var_1_37=4, var_1_38=0, var_1_39=0, var_1_3=64, var_1_4=0, var_1_5=96, var_1_6=10, var_1_8=15/8, var_1_9=-2147483648] [L166] var_1_34 = __VERIFIER_nondet_ulong() [L167] CALL assume_abort_if_not(var_1_34 >= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=5, last_1_var_1_20=50, last_1_var_1_21=0, last_1_var_1_3=64, last_1_var_1_6=10, var_1_15=5, var_1_16=4, var_1_17=-1, var_1_18=-13, var_1_19=19, var_1_1=-4, var_1_20=50, var_1_21=0, var_1_22=2, var_1_23=0, var_1_24=8, var_1_26=32767, var_1_27=7/4, var_1_28=0, var_1_29=9, var_1_32=0, var_1_33=1, var_1_34=4294967294, var_1_35=33/10, var_1_36=-32, var_1_37=4, var_1_38=0, var_1_39=0, var_1_3=64, var_1_4=0, var_1_5=96, var_1_6=10, var_1_8=15/8, var_1_9=-2147483648] [L20] COND FALSE !(!cond) [L167] RET assume_abort_if_not(var_1_34 >= 2147483647) VAL [isInitial=1, last_1_var_1_15=5, last_1_var_1_20=50, last_1_var_1_21=0, last_1_var_1_3=64, last_1_var_1_6=10, var_1_15=5, var_1_16=4, var_1_17=-1, var_1_18=-13, var_1_19=19, var_1_1=-4, var_1_20=50, var_1_21=0, var_1_22=2, var_1_23=0, var_1_24=8, var_1_26=32767, var_1_27=7/4, var_1_28=0, var_1_29=9, var_1_32=0, var_1_33=1, var_1_34=4294967294, var_1_35=33/10, var_1_36=-32, var_1_37=4, var_1_38=0, var_1_39=0, var_1_3=64, var_1_4=0, var_1_5=96, var_1_6=10, var_1_8=15/8, var_1_9=-2147483648] [L168] CALL assume_abort_if_not(var_1_34 <= 4294967294) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=5, last_1_var_1_20=50, last_1_var_1_21=0, last_1_var_1_3=64, last_1_var_1_6=10, var_1_15=5, var_1_16=4, var_1_17=-1, var_1_18=-13, var_1_19=19, var_1_1=-4, var_1_20=50, var_1_21=0, var_1_22=2, var_1_23=0, var_1_24=8, var_1_26=32767, var_1_27=7/4, var_1_28=0, var_1_29=9, var_1_32=0, var_1_33=1, var_1_34=4294967294, var_1_35=33/10, var_1_36=-32, var_1_37=4, var_1_38=0, var_1_39=0, var_1_3=64, var_1_4=0, var_1_5=96, var_1_6=10, var_1_8=15/8, var_1_9=-2147483648] [L20] COND FALSE !(!cond) [L168] RET assume_abort_if_not(var_1_34 <= 4294967294) VAL [isInitial=1, last_1_var_1_15=5, last_1_var_1_20=50, last_1_var_1_21=0, last_1_var_1_3=64, last_1_var_1_6=10, var_1_15=5, var_1_16=4, var_1_17=-1, var_1_18=-13, var_1_19=19, var_1_1=-4, var_1_20=50, var_1_21=0, var_1_22=2, var_1_23=0, var_1_24=8, var_1_26=32767, var_1_27=7/4, var_1_28=0, var_1_29=9, var_1_32=0, var_1_33=1, var_1_34=4294967294, var_1_35=33/10, var_1_36=-32, var_1_37=4, var_1_38=0, var_1_39=0, var_1_3=64, var_1_4=0, var_1_5=96, var_1_6=10, var_1_8=15/8, var_1_9=-2147483648] [L169] var_1_37 = __VERIFIER_nondet_char() [L170] CALL assume_abort_if_not(var_1_37 >= -1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=5, last_1_var_1_20=50, last_1_var_1_21=0, last_1_var_1_3=64, last_1_var_1_6=10, var_1_15=5, var_1_16=4, var_1_17=-1, var_1_18=-13, var_1_19=19, var_1_1=-4, var_1_20=50, var_1_21=0, var_1_22=2, var_1_23=0, var_1_24=8, var_1_26=32767, var_1_27=7/4, var_1_28=0, var_1_29=9, var_1_32=0, var_1_33=1, var_1_34=4294967294, var_1_35=33/10, var_1_36=-32, var_1_37=126, var_1_38=0, var_1_39=0, var_1_3=64, var_1_4=0, var_1_5=96, var_1_6=10, var_1_8=15/8, var_1_9=-2147483648] [L20] COND FALSE !(!cond) [L170] RET assume_abort_if_not(var_1_37 >= -1) VAL [isInitial=1, last_1_var_1_15=5, last_1_var_1_20=50, last_1_var_1_21=0, last_1_var_1_3=64, last_1_var_1_6=10, var_1_15=5, var_1_16=4, var_1_17=-1, var_1_18=-13, var_1_19=19, var_1_1=-4, var_1_20=50, var_1_21=0, var_1_22=2, var_1_23=0, var_1_24=8, var_1_26=32767, var_1_27=7/4, var_1_28=0, var_1_29=9, var_1_32=0, var_1_33=1, var_1_34=4294967294, var_1_35=33/10, var_1_36=-32, var_1_37=126, var_1_38=0, var_1_39=0, var_1_3=64, var_1_4=0, var_1_5=96, var_1_6=10, var_1_8=15/8, var_1_9=-2147483648] [L171] CALL assume_abort_if_not(var_1_37 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=5, last_1_var_1_20=50, last_1_var_1_21=0, last_1_var_1_3=64, last_1_var_1_6=10, var_1_15=5, var_1_16=4, var_1_17=-1, var_1_18=-13, var_1_19=19, var_1_1=-4, var_1_20=50, var_1_21=0, var_1_22=2, var_1_23=0, var_1_24=8, var_1_26=32767, var_1_27=7/4, var_1_28=0, var_1_29=9, var_1_32=0, var_1_33=1, var_1_34=4294967294, var_1_35=33/10, var_1_36=-32, var_1_37=126, var_1_38=0, var_1_39=0, var_1_3=64, var_1_4=0, var_1_5=96, var_1_6=10, var_1_8=15/8, var_1_9=-2147483648] [L20] COND FALSE !(!cond) [L171] RET assume_abort_if_not(var_1_37 <= 126) VAL [isInitial=1, last_1_var_1_15=5, last_1_var_1_20=50, last_1_var_1_21=0, last_1_var_1_3=64, last_1_var_1_6=10, var_1_15=5, var_1_16=4, var_1_17=-1, var_1_18=-13, var_1_19=19, var_1_1=-4, var_1_20=50, var_1_21=0, var_1_22=2, var_1_23=0, var_1_24=8, var_1_26=32767, var_1_27=7/4, var_1_28=0, var_1_29=9, var_1_32=0, var_1_33=1, var_1_34=4294967294, var_1_35=33/10, var_1_36=-32, var_1_37=126, var_1_38=0, var_1_39=0, var_1_3=64, var_1_4=0, var_1_5=96, var_1_6=10, var_1_8=15/8, var_1_9=-2147483648] [L172] var_1_38 = __VERIFIER_nondet_char() [L173] CALL assume_abort_if_not(var_1_38 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=5, last_1_var_1_20=50, last_1_var_1_21=0, last_1_var_1_3=64, last_1_var_1_6=10, var_1_15=5, var_1_16=4, var_1_17=-1, var_1_18=-13, var_1_19=19, var_1_1=-4, var_1_20=50, var_1_21=0, var_1_22=2, var_1_23=0, var_1_24=8, var_1_26=32767, var_1_27=7/4, var_1_28=0, var_1_29=9, var_1_32=0, var_1_33=1, var_1_34=4294967294, var_1_35=33/10, var_1_36=-32, var_1_37=126, var_1_38=1, var_1_39=0, var_1_3=64, var_1_4=0, var_1_5=96, var_1_6=10, var_1_8=15/8, var_1_9=-2147483648] [L20] COND FALSE !(!cond) [L173] RET assume_abort_if_not(var_1_38 >= 0) VAL [isInitial=1, last_1_var_1_15=5, last_1_var_1_20=50, last_1_var_1_21=0, last_1_var_1_3=64, last_1_var_1_6=10, var_1_15=5, var_1_16=4, var_1_17=-1, var_1_18=-13, var_1_19=19, var_1_1=-4, var_1_20=50, var_1_21=0, var_1_22=2, var_1_23=0, var_1_24=8, var_1_26=32767, var_1_27=7/4, var_1_28=0, var_1_29=9, var_1_32=0, var_1_33=1, var_1_34=4294967294, var_1_35=33/10, var_1_36=-32, var_1_37=126, var_1_38=1, var_1_39=0, var_1_3=64, var_1_4=0, var_1_5=96, var_1_6=10, var_1_8=15/8, var_1_9=-2147483648] [L174] CALL assume_abort_if_not(var_1_38 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=5, last_1_var_1_20=50, last_1_var_1_21=0, last_1_var_1_3=64, last_1_var_1_6=10, var_1_15=5, var_1_16=4, var_1_17=-1, var_1_18=-13, var_1_19=19, var_1_1=-4, var_1_20=50, var_1_21=0, var_1_22=2, var_1_23=0, var_1_24=8, var_1_26=32767, var_1_27=7/4, var_1_28=0, var_1_29=9, var_1_32=0, var_1_33=1, var_1_34=4294967294, var_1_35=33/10, var_1_36=-32, var_1_37=126, var_1_38=1, var_1_39=0, var_1_3=64, var_1_4=0, var_1_5=96, var_1_6=10, var_1_8=15/8, var_1_9=-2147483648] [L20] COND FALSE !(!cond) [L174] RET assume_abort_if_not(var_1_38 <= 126) VAL [isInitial=1, last_1_var_1_15=5, last_1_var_1_20=50, last_1_var_1_21=0, last_1_var_1_3=64, last_1_var_1_6=10, var_1_15=5, var_1_16=4, var_1_17=-1, var_1_18=-13, var_1_19=19, var_1_1=-4, var_1_20=50, var_1_21=0, var_1_22=2, var_1_23=0, var_1_24=8, var_1_26=32767, var_1_27=7/4, var_1_28=0, var_1_29=9, var_1_32=0, var_1_33=1, var_1_34=4294967294, var_1_35=33/10, var_1_36=-32, var_1_37=126, var_1_38=1, var_1_39=0, var_1_3=64, var_1_4=0, var_1_5=96, var_1_6=10, var_1_8=15/8, var_1_9=-2147483648] [L175] var_1_39 = __VERIFIER_nondet_char() [L176] CALL assume_abort_if_not(var_1_39 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=5, last_1_var_1_20=50, last_1_var_1_21=0, last_1_var_1_3=64, last_1_var_1_6=10, var_1_15=5, var_1_16=4, var_1_17=-1, var_1_18=-13, var_1_19=19, var_1_1=-4, var_1_20=50, var_1_21=0, var_1_22=2, var_1_23=0, var_1_24=8, var_1_26=32767, var_1_27=7/4, var_1_28=0, var_1_29=9, var_1_32=0, var_1_33=1, var_1_34=4294967294, var_1_35=33/10, var_1_36=-32, var_1_37=126, var_1_38=1, var_1_39=0, var_1_3=64, var_1_4=0, var_1_5=96, var_1_6=10, var_1_8=15/8, var_1_9=-2147483648] [L20] COND FALSE !(!cond) [L176] RET assume_abort_if_not(var_1_39 >= 0) VAL [isInitial=1, last_1_var_1_15=5, last_1_var_1_20=50, last_1_var_1_21=0, last_1_var_1_3=64, last_1_var_1_6=10, var_1_15=5, var_1_16=4, var_1_17=-1, var_1_18=-13, var_1_19=19, var_1_1=-4, var_1_20=50, var_1_21=0, var_1_22=2, var_1_23=0, var_1_24=8, var_1_26=32767, var_1_27=7/4, var_1_28=0, var_1_29=9, var_1_32=0, var_1_33=1, var_1_34=4294967294, var_1_35=33/10, var_1_36=-32, var_1_37=126, var_1_38=1, var_1_39=0, var_1_3=64, var_1_4=0, var_1_5=96, var_1_6=10, var_1_8=15/8, var_1_9=-2147483648] [L177] CALL assume_abort_if_not(var_1_39 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=5, last_1_var_1_20=50, last_1_var_1_21=0, last_1_var_1_3=64, last_1_var_1_6=10, var_1_15=5, var_1_16=4, var_1_17=-1, var_1_18=-13, var_1_19=19, var_1_1=-4, var_1_20=50, var_1_21=0, var_1_22=2, var_1_23=0, var_1_24=8, var_1_26=32767, var_1_27=7/4, var_1_28=0, var_1_29=9, var_1_32=0, var_1_33=1, var_1_34=4294967294, var_1_35=33/10, var_1_36=-32, var_1_37=126, var_1_38=1, var_1_39=0, var_1_3=64, var_1_4=0, var_1_5=96, var_1_6=10, var_1_8=15/8, var_1_9=-2147483648] [L20] COND FALSE !(!cond) [L177] RET assume_abort_if_not(var_1_39 <= 126) VAL [isInitial=1, last_1_var_1_15=5, last_1_var_1_20=50, last_1_var_1_21=0, last_1_var_1_3=64, last_1_var_1_6=10, var_1_15=5, var_1_16=4, var_1_17=-1, var_1_18=-13, var_1_19=19, var_1_1=-4, var_1_20=50, var_1_21=0, var_1_22=2, var_1_23=0, var_1_24=8, var_1_26=32767, var_1_27=7/4, var_1_28=0, var_1_29=9, var_1_32=0, var_1_33=1, var_1_34=4294967294, var_1_35=33/10, var_1_36=-32, var_1_37=126, var_1_38=1, var_1_39=0, var_1_3=64, var_1_4=0, var_1_5=96, var_1_6=10, var_1_8=15/8, var_1_9=-2147483648] [L195] RET updateVariables() [L196] CALL step() [L67] var_1_22 = var_1_23 [L68] COND FALSE !(var_1_22 > ((((var_1_23) < (var_1_25)) ? (var_1_23) : (var_1_25)))) [L71] EXPR var_1_25 & var_1_22 [L71] COND TRUE (((((var_1_28) > (8)) ? (var_1_28) : (8))) - var_1_29) < (var_1_25 & var_1_22) [L72] var_1_27 = ((((var_1_30) < (var_1_31)) ? (var_1_30) : (var_1_31))) [L76] COND FALSE !(! var_1_33) [L79] var_1_35 = var_1_30 [L80] COND TRUE var_1_28 <= var_1_22 [L81] var_1_36 = (var_1_37 - ((((var_1_38) > (var_1_39)) ? (var_1_38) : (var_1_39)))) [L83] signed long int stepLocal_0 = last_1_var_1_21; [L84] COND FALSE !(last_1_var_1_6 < stepLocal_0) [L87] EXPR last_1_var_1_20 ^ last_1_var_1_15 [L87] signed long int stepLocal_2 = last_1_var_1_20 ^ last_1_var_1_15; [L88] unsigned char stepLocal_1 = var_1_5; [L89] COND FALSE !(stepLocal_2 < -256) [L92] COND FALSE !(stepLocal_1 <= 50) [L96] var_1_20 = (((((var_1_5 + var_1_6)) > (var_1_4)) ? ((var_1_5 + var_1_6)) : (var_1_4))) [L97] COND FALSE !(var_1_3 < (var_1_5 % ((((32) > (var_1_9)) ? (32) : (var_1_9))))) [L100] COND TRUE var_1_13 <= (var_1_14 + var_1_11) [L101] var_1_8 = var_1_12 [L104] var_1_16 = (var_1_17 + (var_1_18 + ((((var_1_19) < 0 ) ? -(var_1_19) : (var_1_19))))) [L105] var_1_1 = ((((var_1_16) < 0 ) ? -(var_1_16) : (var_1_16))) [L106] unsigned short int stepLocal_3 = var_1_6; [L107] EXPR (var_1_3 * var_1_17) & (var_1_1 * var_1_18) [L107] COND FALSE !(stepLocal_3 == ((var_1_3 * var_1_17) & (var_1_1 * var_1_18))) [L110] COND FALSE !(((((var_1_4) < 0 ) ? -(var_1_4) : (var_1_4))) > var_1_21) [L196] RET step() [L197] CALL, EXPR property() [L187] EXPR ((var_1_1 == ((signed long int) ((((var_1_16) < 0 ) ? -(var_1_16) : (var_1_16))))) && ((last_1_var_1_6 < last_1_var_1_21) ? (var_1_3 == ((unsigned char) ((((var_1_4) > (var_1_5)) ? (var_1_4) : (var_1_5))))) : 1)) && (((last_1_var_1_20 ^ last_1_var_1_15) < -256) ? (var_1_6 == ((unsigned short int) (((((((((((var_1_5) > (var_1_4)) ? (var_1_5) : (var_1_4)))) > ((last_1_var_1_20 + last_1_var_1_3))) ? (((((var_1_5) > (var_1_4)) ? (var_1_5) : (var_1_4)))) : ((last_1_var_1_20 + last_1_var_1_3)))) < 0 ) ? -((((((((var_1_5) > (var_1_4)) ? (var_1_5) : (var_1_4)))) > ((last_1_var_1_20 + last_1_var_1_3))) ? (((((var_1_5) > (var_1_4)) ? (var_1_5) : (var_1_4)))) : ((last_1_var_1_20 + last_1_var_1_3)))) : ((((((((var_1_5) > (var_1_4)) ? (var_1_5) : (var_1_4)))) > ((last_1_var_1_20 + last_1_var_1_3))) ? (((((var_1_5) > (var_1_4)) ? (var_1_5) : (var_1_4)))) : ((last_1_var_1_20 + last_1_var_1_3)))))))) : ((var_1_5 <= 50) ? (var_1_6 == ((unsigned short int) last_1_var_1_20)) : 1)) [L187] EXPR last_1_var_1_20 ^ last_1_var_1_15 [L187] EXPR ((var_1_1 == ((signed long int) ((((var_1_16) < 0 ) ? -(var_1_16) : (var_1_16))))) && ((last_1_var_1_6 < last_1_var_1_21) ? (var_1_3 == ((unsigned char) ((((var_1_4) > (var_1_5)) ? (var_1_4) : (var_1_5))))) : 1)) && (((last_1_var_1_20 ^ last_1_var_1_15) < -256) ? (var_1_6 == ((unsigned short int) (((((((((((var_1_5) > (var_1_4)) ? (var_1_5) : (var_1_4)))) > ((last_1_var_1_20 + last_1_var_1_3))) ? (((((var_1_5) > (var_1_4)) ? (var_1_5) : (var_1_4)))) : ((last_1_var_1_20 + last_1_var_1_3)))) < 0 ) ? -((((((((var_1_5) > (var_1_4)) ? (var_1_5) : (var_1_4)))) > ((last_1_var_1_20 + last_1_var_1_3))) ? (((((var_1_5) > (var_1_4)) ? (var_1_5) : (var_1_4)))) : ((last_1_var_1_20 + last_1_var_1_3)))) : ((((((((var_1_5) > (var_1_4)) ? (var_1_5) : (var_1_4)))) > ((last_1_var_1_20 + last_1_var_1_3))) ? (((((var_1_5) > (var_1_4)) ? (var_1_5) : (var_1_4)))) : ((last_1_var_1_20 + last_1_var_1_3)))))))) : ((var_1_5 <= 50) ? (var_1_6 == ((unsigned short int) last_1_var_1_20)) : 1)) [L187] EXPR (((((((var_1_1 == ((signed long int) ((((var_1_16) < 0 ) ? -(var_1_16) : (var_1_16))))) && ((last_1_var_1_6 < last_1_var_1_21) ? (var_1_3 == ((unsigned char) ((((var_1_4) > (var_1_5)) ? (var_1_4) : (var_1_5))))) : 1)) && (((last_1_var_1_20 ^ last_1_var_1_15) < -256) ? (var_1_6 == ((unsigned short int) (((((((((((var_1_5) > (var_1_4)) ? (var_1_5) : (var_1_4)))) > ((last_1_var_1_20 + last_1_var_1_3))) ? (((((var_1_5) > (var_1_4)) ? (var_1_5) : (var_1_4)))) : ((last_1_var_1_20 + last_1_var_1_3)))) < 0 ) ? -((((((((var_1_5) > (var_1_4)) ? (var_1_5) : (var_1_4)))) > ((last_1_var_1_20 + last_1_var_1_3))) ? (((((var_1_5) > (var_1_4)) ? (var_1_5) : (var_1_4)))) : ((last_1_var_1_20 + last_1_var_1_3)))) : ((((((((var_1_5) > (var_1_4)) ? (var_1_5) : (var_1_4)))) > ((last_1_var_1_20 + last_1_var_1_3))) ? (((((var_1_5) > (var_1_4)) ? (var_1_5) : (var_1_4)))) : ((last_1_var_1_20 + last_1_var_1_3)))))))) : ((var_1_5 <= 50) ? (var_1_6 == ((unsigned short int) last_1_var_1_20)) : 1))) && ((var_1_3 < (var_1_5 % ((((32) > (var_1_9)) ? (32) : (var_1_9))))) ? (var_1_8 == ((double) ((((((var_1_10) > (var_1_11)) ? (var_1_10) : (var_1_11))) - var_1_12) + (var_1_13 - var_1_14)))) : ((var_1_13 <= (var_1_14 + var_1_11)) ? (var_1_8 == ((double) var_1_12)) : 1))) && ((((((var_1_4) < 0 ) ? -(var_1_4) : (var_1_4))) > var_1_21) ? (var_1_15 == ((unsigned short int) ((((var_1_3) > ((var_1_5 + var_1_4))) ? (var_1_3) : ((var_1_5 + var_1_4)))))) : 1)) && (var_1_16 == ((signed char) (var_1_17 + (var_1_18 + ((((var_1_19) < 0 ) ? -(var_1_19) : (var_1_19)))))))) && (var_1_20 == ((unsigned short int) (((((var_1_5 + var_1_6)) > (var_1_4)) ? ((var_1_5 + var_1_6)) : (var_1_4)))))) && ((var_1_6 == ((var_1_3 * var_1_17) & (var_1_1 * var_1_18))) ? (var_1_21 == ((unsigned short int) (var_1_4 + 128))) : 1) [L187-L188] return (((((((var_1_1 == ((signed long int) ((((var_1_16) < 0 ) ? -(var_1_16) : (var_1_16))))) && ((last_1_var_1_6 < last_1_var_1_21) ? (var_1_3 == ((unsigned char) ((((var_1_4) > (var_1_5)) ? (var_1_4) : (var_1_5))))) : 1)) && (((last_1_var_1_20 ^ last_1_var_1_15) < -256) ? (var_1_6 == ((unsigned short int) (((((((((((var_1_5) > (var_1_4)) ? (var_1_5) : (var_1_4)))) > ((last_1_var_1_20 + last_1_var_1_3))) ? (((((var_1_5) > (var_1_4)) ? (var_1_5) : (var_1_4)))) : ((last_1_var_1_20 + last_1_var_1_3)))) < 0 ) ? -((((((((var_1_5) > (var_1_4)) ? (var_1_5) : (var_1_4)))) > ((last_1_var_1_20 + last_1_var_1_3))) ? (((((var_1_5) > (var_1_4)) ? (var_1_5) : (var_1_4)))) : ((last_1_var_1_20 + last_1_var_1_3)))) : ((((((((var_1_5) > (var_1_4)) ? (var_1_5) : (var_1_4)))) > ((last_1_var_1_20 + last_1_var_1_3))) ? (((((var_1_5) > (var_1_4)) ? (var_1_5) : (var_1_4)))) : ((last_1_var_1_20 + last_1_var_1_3)))))))) : ((var_1_5 <= 50) ? (var_1_6 == ((unsigned short int) last_1_var_1_20)) : 1))) && ((var_1_3 < (var_1_5 % ((((32) > (var_1_9)) ? (32) : (var_1_9))))) ? (var_1_8 == ((double) ((((((var_1_10) > (var_1_11)) ? (var_1_10) : (var_1_11))) - var_1_12) + (var_1_13 - var_1_14)))) : ((var_1_13 <= (var_1_14 + var_1_11)) ? (var_1_8 == ((double) var_1_12)) : 1))) && ((((((var_1_4) < 0 ) ? -(var_1_4) : (var_1_4))) > var_1_21) ? (var_1_15 == ((unsigned short int) ((((var_1_3) > ((var_1_5 + var_1_4))) ? (var_1_3) : ((var_1_5 + var_1_4)))))) : 1)) && (var_1_16 == ((signed char) (var_1_17 + (var_1_18 + ((((var_1_19) < 0 ) ? -(var_1_19) : (var_1_19)))))))) && (var_1_20 == ((unsigned short int) (((((var_1_5 + var_1_6)) > (var_1_4)) ? ((var_1_5 + var_1_6)) : (var_1_4)))))) && ((var_1_6 == ((var_1_3 * var_1_17) & (var_1_1 * var_1_18))) ? (var_1_21 == ((unsigned short int) (var_1_4 + 128))) : 1) ; [L197] RET, EXPR property() [L197] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_15=5, last_1_var_1_20=50, last_1_var_1_21=0, last_1_var_1_3=64, last_1_var_1_6=10, var_1_12=15/8, var_1_15=5, var_1_16=5, var_1_17=-1, var_1_18=-13, var_1_19=19, var_1_1=5, var_1_20=106, var_1_21=0, var_1_22=0, var_1_23=0, var_1_24=8, var_1_25=1, var_1_26=32767, var_1_27=2, var_1_28=0, var_1_29=9, var_1_30=2, var_1_31=0, var_1_32=0, var_1_33=1, var_1_34=4294967294, var_1_35=2, var_1_36=125, var_1_37=126, var_1_38=1, var_1_39=0, var_1_3=64, var_1_4=0, var_1_5=96, var_1_6=10, var_1_8=15/8, var_1_9=-2147483648] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_15=5, last_1_var_1_20=50, last_1_var_1_21=0, last_1_var_1_3=64, last_1_var_1_6=10, var_1_12=15/8, var_1_15=5, var_1_16=5, var_1_17=-1, var_1_18=-13, var_1_19=19, var_1_1=5, var_1_20=106, var_1_21=0, var_1_22=0, var_1_23=0, var_1_24=8, var_1_25=1, var_1_26=32767, var_1_27=2, var_1_28=0, var_1_29=9, var_1_30=2, var_1_31=0, var_1_32=0, var_1_33=1, var_1_34=4294967294, var_1_35=2, var_1_36=125, var_1_37=126, var_1_38=1, var_1_39=0, var_1_3=64, var_1_4=0, var_1_5=96, var_1_6=10, var_1_8=15/8, var_1_9=-2147483648] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 72 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.1s, OverallIterations: 1, TraceHistogramMax: 40, 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=72occurred 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, 147 NumberOfCodeBlocks, 147 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 12:28:29,802 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef7eb07f-86cf-4f45-8504-28f5730f4691/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_ef7eb07f-86cf-4f45-8504-28f5730f4691/bin/utaipan-verify-nQ1chXbOIh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef7eb07f-86cf-4f45-8504-28f5730f4691/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_ef7eb07f-86cf-4f45-8504-28f5730f4691/bin/utaipan-verify-nQ1chXbOIh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef7eb07f-86cf-4f45-8504-28f5730f4691/bin/utaipan-verify-nQ1chXbOIh/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-25_file-78.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef7eb07f-86cf-4f45-8504-28f5730f4691/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_ef7eb07f-86cf-4f45-8504-28f5730f4691/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 64f6fc6b4379deeeee79432d859aa1226d6bab27312a0557e160563da7699af8 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 12:28:31,726 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 12:28:31,810 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef7eb07f-86cf-4f45-8504-28f5730f4691/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2023-12-02 12:28:31,817 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 12:28:31,817 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-02 12:28:31,845 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 12:28:31,846 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-02 12:28:31,847 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-02 12:28:31,847 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 12:28:31,848 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-02 12:28:31,849 INFO L153 SettingsManager]: * User list type=DISABLED [2023-12-02 12:28:31,849 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-12-02 12:28:31,850 INFO L153 SettingsManager]: * Explicit value domain=true [2023-12-02 12:28:31,850 INFO L153 SettingsManager]: * Octagon Domain=false [2023-12-02 12:28:31,851 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-12-02 12:28:31,851 INFO L153 SettingsManager]: * Interval Domain=false [2023-12-02 12:28:31,852 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 12:28:31,853 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 12:28:31,853 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 12:28:31,854 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 12:28:31,854 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 12:28:31,855 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 12:28:31,855 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 12:28:31,856 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 12:28:31,856 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-02 12:28:31,857 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-02 12:28:31,857 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-02 12:28:31,858 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 12:28:31,858 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 12:28:31,859 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 12:28:31,859 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 12:28:31,860 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-02 12:28:31,860 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-02 12:28:31,860 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-02 12:28:31,860 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 12:28:31,861 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 12:28:31,861 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 12:28:31,861 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 12:28:31,861 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-02 12:28:31,862 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 12:28:31,862 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-02 12:28:31,862 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 12:28:31,862 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-12-02 12:28:31,863 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 12:28:31,863 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_ef7eb07f-86cf-4f45-8504-28f5730f4691/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef7eb07f-86cf-4f45-8504-28f5730f4691/bin/utaipan-verify-nQ1chXbOIh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 64f6fc6b4379deeeee79432d859aa1226d6bab27312a0557e160563da7699af8 [2023-12-02 12:28:32,168 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 12:28:32,184 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 12:28:32,186 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 12:28:32,187 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 12:28:32,187 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 12:28:32,188 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef7eb07f-86cf-4f45-8504-28f5730f4691/bin/utaipan-verify-nQ1chXbOIh/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-25_file-78.i [2023-12-02 12:28:34,997 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 12:28:35,228 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 12:28:35,229 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef7eb07f-86cf-4f45-8504-28f5730f4691/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-25_file-78.i [2023-12-02 12:28:35,240 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef7eb07f-86cf-4f45-8504-28f5730f4691/bin/utaipan-verify-nQ1chXbOIh/data/6ef72082a/1a232f3c6ce64c2396006eaaae17607b/FLAG7a1bf451b [2023-12-02 12:28:35,256 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef7eb07f-86cf-4f45-8504-28f5730f4691/bin/utaipan-verify-nQ1chXbOIh/data/6ef72082a/1a232f3c6ce64c2396006eaaae17607b [2023-12-02 12:28:35,259 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 12:28:35,260 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 12:28:35,262 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 12:28:35,262 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 12:28:35,267 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 12:28:35,268 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 12:28:35" (1/1) ... [2023-12-02 12:28:35,269 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4f34ea4c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:28:35, skipping insertion in model container [2023-12-02 12:28:35,269 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 12:28:35" (1/1) ... [2023-12-02 12:28:35,308 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 12:28:35,460 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_ef7eb07f-86cf-4f45-8504-28f5730f4691/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-25_file-78.i[915,928] [2023-12-02 12:28:35,530 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 12:28:35,548 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 12:28:35,561 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_ef7eb07f-86cf-4f45-8504-28f5730f4691/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-25_file-78.i[915,928] [2023-12-02 12:28:35,599 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 12:28:35,619 INFO L206 MainTranslator]: Completed translation [2023-12-02 12:28:35,619 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:28:35 WrapperNode [2023-12-02 12:28:35,620 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 12:28:35,621 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 12:28:35,621 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 12:28:35,621 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 12:28:35,628 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:28:35" (1/1) ... [2023-12-02 12:28:35,644 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:28:35" (1/1) ... [2023-12-02 12:28:35,674 INFO L138 Inliner]: procedures = 27, calls = 53, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 222 [2023-12-02 12:28:35,675 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 12:28:35,676 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 12:28:35,676 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 12:28:35,676 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 12:28:35,686 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:28:35" (1/1) ... [2023-12-02 12:28:35,686 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:28:35" (1/1) ... [2023-12-02 12:28:35,691 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:28:35" (1/1) ... [2023-12-02 12:28:35,692 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:28:35" (1/1) ... [2023-12-02 12:28:35,706 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:28:35" (1/1) ... [2023-12-02 12:28:35,710 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:28:35" (1/1) ... [2023-12-02 12:28:35,729 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:28:35" (1/1) ... [2023-12-02 12:28:35,732 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:28:35" (1/1) ... [2023-12-02 12:28:35,736 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 12:28:35,737 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 12:28:35,738 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 12:28:35,738 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 12:28:35,739 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:28:35" (1/1) ... [2023-12-02 12:28:35,748 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 12:28:35,762 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef7eb07f-86cf-4f45-8504-28f5730f4691/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 12:28:35,782 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef7eb07f-86cf-4f45-8504-28f5730f4691/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-12-02 12:28:35,805 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef7eb07f-86cf-4f45-8504-28f5730f4691/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-12-02 12:28:35,829 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 12:28:35,830 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-02 12:28:35,830 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-02 12:28:35,830 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-02 12:28:35,830 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 12:28:35,830 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 12:28:35,931 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 12:28:35,933 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 12:28:40,706 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 12:28:40,753 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 12:28:40,754 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-02 12:28:40,754 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 12:28:40 BoogieIcfgContainer [2023-12-02 12:28:40,755 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 12:28:40,758 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-02 12:28:40,758 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-02 12:28:40,761 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-02 12:28:40,761 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 12:28:35" (1/3) ... [2023-12-02 12:28:40,762 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2763bd41 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 12:28:40, skipping insertion in model container [2023-12-02 12:28:40,762 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:28:35" (2/3) ... [2023-12-02 12:28:40,763 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2763bd41 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 12:28:40, skipping insertion in model container [2023-12-02 12:28:40,763 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 12:28:40" (3/3) ... [2023-12-02 12:28:40,764 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodesize_ps-cn-25_file-78.i [2023-12-02 12:28:40,784 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-02 12:28:40,784 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-02 12:28:40,836 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-02 12:28:40,843 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;@1bde0081, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-02 12:28:40,844 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-02 12:28:40,849 INFO L276 IsEmpty]: Start isEmpty. Operand has 92 states, 49 states have (on average 1.3265306122448979) internal successors, (65), 50 states have internal predecessors, (65), 40 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 40 states have call predecessors, (40), 40 states have call successors, (40) [2023-12-02 12:28:40,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 243 [2023-12-02 12:28:40,869 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 12:28:40,870 INFO L195 NwaCegarLoop]: trace histogram [40, 40, 40, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:28:40,870 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 12:28:40,876 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 12:28:40,876 INFO L85 PathProgramCache]: Analyzing trace with hash -651306922, now seen corresponding path program 1 times [2023-12-02 12:28:40,889 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 12:28:40,890 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1149855862] [2023-12-02 12:28:40,890 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 12:28:40,891 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 12:28:40,891 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef7eb07f-86cf-4f45-8504-28f5730f4691/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 12:28:40,892 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef7eb07f-86cf-4f45-8504-28f5730f4691/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 12:28:40,894 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef7eb07f-86cf-4f45-8504-28f5730f4691/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 12:28:41,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 12:28:41,433 INFO L262 TraceCheckSpWp]: Trace formula consists of 395 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 12:28:41,448 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 12:28:41,508 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 1238 proven. 0 refuted. 0 times theorem prover too weak. 1882 trivial. 0 not checked. [2023-12-02 12:28:41,509 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 12:28:41,510 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 12:28:41,510 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1149855862] [2023-12-02 12:28:41,511 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1149855862] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 12:28:41,511 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 12:28:41,511 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-02 12:28:41,513 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1271880634] [2023-12-02 12:28:41,514 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 12:28:41,519 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-12-02 12:28:41,519 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 12:28:41,547 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-12-02 12:28:41,548 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-02 12:28:41,550 INFO L87 Difference]: Start difference. First operand has 92 states, 49 states have (on average 1.3265306122448979) internal successors, (65), 50 states have internal predecessors, (65), 40 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 40 states have call predecessors, (40), 40 states have call successors, (40) Second operand has 2 states, 2 states have (on average 24.5) internal successors, (49), 2 states have internal predecessors, (49), 2 states have call successors, (40), 2 states have call predecessors, (40), 2 states have return successors, (40), 2 states have call predecessors, (40), 2 states have call successors, (40) [2023-12-02 12:28:43,737 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.13s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 12:28:43,737 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 12:28:43,738 INFO L93 Difference]: Finished difference Result 181 states and 328 transitions. [2023-12-02 12:28:43,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 12:28:43,773 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 24.5) internal successors, (49), 2 states have internal predecessors, (49), 2 states have call successors, (40), 2 states have call predecessors, (40), 2 states have return successors, (40), 2 states have call predecessors, (40), 2 states have call successors, (40) Word has length 242 [2023-12-02 12:28:43,774 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 12:28:43,782 INFO L225 Difference]: With dead ends: 181 [2023-12-02 12:28:43,783 INFO L226 Difference]: Without dead ends: 90 [2023-12-02 12:28:43,786 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 241 GetRequests, 241 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-02 12:28:43,789 INFO L413 NwaCegarLoop]: 137 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 137 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2023-12-02 12:28:43,790 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 137 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 1 Unknown, 0 Unchecked, 2.1s Time] [2023-12-02 12:28:43,806 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 90 states. [2023-12-02 12:28:43,836 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 90 to 90. [2023-12-02 12:28:43,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 90 states, 48 states have (on average 1.25) internal successors, (60), 48 states have internal predecessors, (60), 40 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 40 states have call predecessors, (40), 40 states have call successors, (40) [2023-12-02 12:28:43,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 140 transitions. [2023-12-02 12:28:43,842 INFO L78 Accepts]: Start accepts. Automaton has 90 states and 140 transitions. Word has length 242 [2023-12-02 12:28:43,842 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 12:28:43,843 INFO L495 AbstractCegarLoop]: Abstraction has 90 states and 140 transitions. [2023-12-02 12:28:43,843 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 24.5) internal successors, (49), 2 states have internal predecessors, (49), 2 states have call successors, (40), 2 states have call predecessors, (40), 2 states have return successors, (40), 2 states have call predecessors, (40), 2 states have call successors, (40) [2023-12-02 12:28:43,843 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 140 transitions. [2023-12-02 12:28:43,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 243 [2023-12-02 12:28:43,850 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 12:28:43,850 INFO L195 NwaCegarLoop]: trace histogram [40, 40, 40, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:28:43,868 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef7eb07f-86cf-4f45-8504-28f5730f4691/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 12:28:44,051 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef7eb07f-86cf-4f45-8504-28f5730f4691/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 12:28:44,051 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 12:28:44,052 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 12:28:44,052 INFO L85 PathProgramCache]: Analyzing trace with hash -930666810, now seen corresponding path program 1 times [2023-12-02 12:28:44,053 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 12:28:44,053 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [123253356] [2023-12-02 12:28:44,053 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 12:28:44,054 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 12:28:44,054 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef7eb07f-86cf-4f45-8504-28f5730f4691/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 12:28:44,055 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef7eb07f-86cf-4f45-8504-28f5730f4691/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 12:28:44,056 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef7eb07f-86cf-4f45-8504-28f5730f4691/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 12:28:44,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 12:28:44,564 INFO L262 TraceCheckSpWp]: Trace formula consists of 395 conjuncts, 6 conjunts are in the unsatisfiable core [2023-12-02 12:28:44,575 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 12:28:47,409 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3120 trivial. 0 not checked. [2023-12-02 12:28:47,410 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 12:28:47,410 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 12:28:47,410 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [123253356] [2023-12-02 12:28:47,411 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [123253356] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 12:28:47,411 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 12:28:47,411 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-02 12:28:47,412 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1739835238] [2023-12-02 12:28:47,412 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 12:28:47,414 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-02 12:28:47,414 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 12:28:47,415 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-02 12:28:47,416 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-12-02 12:28:47,416 INFO L87 Difference]: Start difference. First operand 90 states and 140 transitions. Second operand has 5 states, 5 states have (on average 9.0) internal successors, (45), 4 states have internal predecessors, (45), 1 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 1 states have call predecessors, (40), 1 states have call successors, (40) [2023-12-02 12:28:50,292 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 12:28:52,294 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 12:28:54,111 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.82s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 12:28:56,240 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 12:28:58,245 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 12:29:00,400 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 12:29:02,403 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 12:29:02,404 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 12:29:02,404 INFO L93 Difference]: Finished difference Result 280 states and 434 transitions. [2023-12-02 12:29:02,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-02 12:29:02,437 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.0) internal successors, (45), 4 states have internal predecessors, (45), 1 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 1 states have call predecessors, (40), 1 states have call successors, (40) Word has length 242 [2023-12-02 12:29:02,439 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 12:29:02,443 INFO L225 Difference]: With dead ends: 280 [2023-12-02 12:29:02,443 INFO L226 Difference]: Without dead ends: 191 [2023-12-02 12:29:02,445 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 244 GetRequests, 238 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-12-02 12:29:02,447 INFO L413 NwaCegarLoop]: 145 mSDtfsCounter, 97 mSDsluCounter, 321 mSDsCounter, 0 mSdLazyCounter, 108 mSolverCounterSat, 81 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 97 SdHoareTripleChecker+Valid, 466 SdHoareTripleChecker+Invalid, 195 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 81 IncrementalHoareTripleChecker+Valid, 108 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.8s IncrementalHoareTripleChecker+Time [2023-12-02 12:29:02,447 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [97 Valid, 466 Invalid, 195 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [81 Valid, 108 Invalid, 6 Unknown, 0 Unchecked, 14.8s Time] [2023-12-02 12:29:02,449 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 191 states. [2023-12-02 12:29:02,497 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 191 to 177. [2023-12-02 12:29:02,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 177 states, 94 states have (on average 1.2446808510638299) internal successors, (117), 94 states have internal predecessors, (117), 80 states have call successors, (80), 2 states have call predecessors, (80), 2 states have return successors, (80), 80 states have call predecessors, (80), 80 states have call successors, (80) [2023-12-02 12:29:02,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 177 states and 277 transitions. [2023-12-02 12:29:02,501 INFO L78 Accepts]: Start accepts. Automaton has 177 states and 277 transitions. Word has length 242 [2023-12-02 12:29:02,503 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 12:29:02,503 INFO L495 AbstractCegarLoop]: Abstraction has 177 states and 277 transitions. [2023-12-02 12:29:02,503 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.0) internal successors, (45), 4 states have internal predecessors, (45), 1 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 1 states have call predecessors, (40), 1 states have call successors, (40) [2023-12-02 12:29:02,504 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 277 transitions. [2023-12-02 12:29:02,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 243 [2023-12-02 12:29:02,509 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 12:29:02,510 INFO L195 NwaCegarLoop]: trace histogram [40, 40, 40, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:29:02,520 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef7eb07f-86cf-4f45-8504-28f5730f4691/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2023-12-02 12:29:02,712 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef7eb07f-86cf-4f45-8504-28f5730f4691/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 12:29:02,712 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 12:29:02,713 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 12:29:02,713 INFO L85 PathProgramCache]: Analyzing trace with hash -229602232, now seen corresponding path program 1 times [2023-12-02 12:29:02,714 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 12:29:02,714 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [202976483] [2023-12-02 12:29:02,714 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 12:29:02,715 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 12:29:02,715 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef7eb07f-86cf-4f45-8504-28f5730f4691/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 12:29:02,729 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef7eb07f-86cf-4f45-8504-28f5730f4691/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 12:29:02,730 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef7eb07f-86cf-4f45-8504-28f5730f4691/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 12:29:03,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 12:29:03,179 INFO L262 TraceCheckSpWp]: Trace formula consists of 394 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-02 12:29:03,186 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 12:29:03,240 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3120 trivial. 0 not checked. [2023-12-02 12:29:03,240 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 12:29:03,240 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 12:29:03,240 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [202976483] [2023-12-02 12:29:03,241 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [202976483] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 12:29:03,241 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 12:29:03,241 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-02 12:29:03,241 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [747084435] [2023-12-02 12:29:03,241 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 12:29:03,242 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-02 12:29:03,242 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 12:29:03,243 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-02 12:29:03,243 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 12:29:03,244 INFO L87 Difference]: Start difference. First operand 177 states and 277 transitions. Second operand has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 1 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 1 states have call predecessors, (40), 1 states have call successors, (40) [2023-12-02 12:29:05,482 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-02 12:29:07,076 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.59s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-02 12:29:07,081 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 12:29:07,082 INFO L93 Difference]: Finished difference Result 266 states and 416 transitions. [2023-12-02 12:29:07,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 12:29:07,114 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 1 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 1 states have call predecessors, (40), 1 states have call successors, (40) Word has length 242 [2023-12-02 12:29:07,115 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 12:29:07,117 INFO L225 Difference]: With dead ends: 266 [2023-12-02 12:29:07,117 INFO L226 Difference]: Without dead ends: 177 [2023-12-02 12:29:07,118 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 241 GetRequests, 240 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 12:29:07,119 INFO L413 NwaCegarLoop]: 135 mSDtfsCounter, 13 mSDsluCounter, 121 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 256 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.8s IncrementalHoareTripleChecker+Time [2023-12-02 12:29:07,119 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 256 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 1 Unknown, 0 Unchecked, 3.8s Time] [2023-12-02 12:29:07,120 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 177 states. [2023-12-02 12:29:07,157 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 177 to 177. [2023-12-02 12:29:07,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 177 states, 94 states have (on average 1.2234042553191489) internal successors, (115), 94 states have internal predecessors, (115), 80 states have call successors, (80), 2 states have call predecessors, (80), 2 states have return successors, (80), 80 states have call predecessors, (80), 80 states have call successors, (80) [2023-12-02 12:29:07,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 177 states and 275 transitions. [2023-12-02 12:29:07,161 INFO L78 Accepts]: Start accepts. Automaton has 177 states and 275 transitions. Word has length 242 [2023-12-02 12:29:07,162 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 12:29:07,162 INFO L495 AbstractCegarLoop]: Abstraction has 177 states and 275 transitions. [2023-12-02 12:29:07,162 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 1 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 1 states have call predecessors, (40), 1 states have call successors, (40) [2023-12-02 12:29:07,162 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 275 transitions. [2023-12-02 12:29:07,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 244 [2023-12-02 12:29:07,167 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 12:29:07,167 INFO L195 NwaCegarLoop]: trace histogram [40, 40, 40, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:29:07,180 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef7eb07f-86cf-4f45-8504-28f5730f4691/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)] Forceful destruction successful, exit code 0 [2023-12-02 12:29:07,367 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef7eb07f-86cf-4f45-8504-28f5730f4691/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 12:29:07,368 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 12:29:07,368 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 12:29:07,368 INFO L85 PathProgramCache]: Analyzing trace with hash -706779670, now seen corresponding path program 1 times [2023-12-02 12:29:07,369 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 12:29:07,369 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1054161573] [2023-12-02 12:29:07,369 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 12:29:07,369 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 12:29:07,369 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef7eb07f-86cf-4f45-8504-28f5730f4691/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 12:29:07,370 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef7eb07f-86cf-4f45-8504-28f5730f4691/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 12:29:07,371 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef7eb07f-86cf-4f45-8504-28f5730f4691/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 (5)] Waiting until timeout for monitored process [2023-12-02 12:29:07,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 12:29:07,865 INFO L262 TraceCheckSpWp]: Trace formula consists of 395 conjuncts, 6 conjunts are in the unsatisfiable core [2023-12-02 12:29:07,876 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 12:29:10,240 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3120 trivial. 0 not checked. [2023-12-02 12:29:10,240 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 12:29:10,240 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 12:29:10,240 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1054161573] [2023-12-02 12:29:10,240 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1054161573] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 12:29:10,241 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 12:29:10,241 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-02 12:29:10,241 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [654861213] [2023-12-02 12:29:10,241 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 12:29:10,242 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-12-02 12:29:10,242 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 12:29:10,243 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-12-02 12:29:10,243 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-12-02 12:29:10,244 INFO L87 Difference]: Start difference. First operand 177 states and 275 transitions. Second operand has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 5 states have internal predecessors, (46), 1 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 1 states have call predecessors, (40), 1 states have call successors, (40) [2023-12-02 12:29:13,086 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.95s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 12:29:15,264 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 12:29:17,504 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 12:29:18,829 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.32s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 12:29:21,941 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 12:29:23,920 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.92s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 12:29:26,130 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 12:29:28,133 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 12:29:28,135 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 12:29:28,135 INFO L93 Difference]: Finished difference Result 462 states and 712 transitions. [2023-12-02 12:29:28,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-02 12:29:28,167 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 5 states have internal predecessors, (46), 1 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 1 states have call predecessors, (40), 1 states have call successors, (40) Word has length 243 [2023-12-02 12:29:28,168 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 12:29:28,172 INFO L225 Difference]: With dead ends: 462 [2023-12-02 12:29:28,172 INFO L226 Difference]: Without dead ends: 373 [2023-12-02 12:29:28,173 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 247 GetRequests, 238 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2023-12-02 12:29:28,174 INFO L413 NwaCegarLoop]: 248 mSDtfsCounter, 229 mSDsluCounter, 240 mSDsCounter, 0 mSdLazyCounter, 468 mSolverCounterSat, 81 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 229 SdHoareTripleChecker+Valid, 488 SdHoareTripleChecker+Invalid, 553 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 81 IncrementalHoareTripleChecker+Valid, 468 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.7s IncrementalHoareTripleChecker+Time [2023-12-02 12:29:28,175 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [229 Valid, 488 Invalid, 553 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [81 Valid, 468 Invalid, 4 Unknown, 0 Unchecked, 17.7s Time] [2023-12-02 12:29:28,176 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 373 states. [2023-12-02 12:29:28,239 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 373 to 342. [2023-12-02 12:29:28,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 342 states, 177 states have (on average 1.2033898305084745) internal successors, (213), 177 states have internal predecessors, (213), 160 states have call successors, (160), 4 states have call predecessors, (160), 4 states have return successors, (160), 160 states have call predecessors, (160), 160 states have call successors, (160) [2023-12-02 12:29:28,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 342 states to 342 states and 533 transitions. [2023-12-02 12:29:28,244 INFO L78 Accepts]: Start accepts. Automaton has 342 states and 533 transitions. Word has length 243 [2023-12-02 12:29:28,244 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 12:29:28,245 INFO L495 AbstractCegarLoop]: Abstraction has 342 states and 533 transitions. [2023-12-02 12:29:28,245 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 5 states have internal predecessors, (46), 1 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 1 states have call predecessors, (40), 1 states have call successors, (40) [2023-12-02 12:29:28,245 INFO L276 IsEmpty]: Start isEmpty. Operand 342 states and 533 transitions. [2023-12-02 12:29:28,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 244 [2023-12-02 12:29:28,247 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 12:29:28,247 INFO L195 NwaCegarLoop]: trace histogram [40, 40, 40, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:29:28,259 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef7eb07f-86cf-4f45-8504-28f5730f4691/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 (5)] Ended with exit code 0 [2023-12-02 12:29:28,447 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef7eb07f-86cf-4f45-8504-28f5730f4691/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 12:29:28,448 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 12:29:28,448 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 12:29:28,449 INFO L85 PathProgramCache]: Analyzing trace with hash -704932628, now seen corresponding path program 1 times [2023-12-02 12:29:28,449 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 12:29:28,449 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1664938295] [2023-12-02 12:29:28,449 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 12:29:28,450 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 12:29:28,450 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef7eb07f-86cf-4f45-8504-28f5730f4691/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 12:29:28,450 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef7eb07f-86cf-4f45-8504-28f5730f4691/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 12:29:28,451 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef7eb07f-86cf-4f45-8504-28f5730f4691/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 (6)] Waiting until timeout for monitored process [2023-12-02 12:29:29,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 12:29:29,710 INFO L262 TraceCheckSpWp]: Trace formula consists of 394 conjuncts, 7 conjunts are in the unsatisfiable core [2023-12-02 12:29:29,715 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 12:29:32,243 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 843 proven. 99 refuted. 0 times theorem prover too weak. 2178 trivial. 0 not checked. [2023-12-02 12:29:32,244 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 12:29:36,200 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 12:29:36,200 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1664938295] [2023-12-02 12:29:36,200 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1664938295] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 12:29:36,200 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1586751388] [2023-12-02 12:29:36,201 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 12:29:36,201 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 12:29:36,201 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef7eb07f-86cf-4f45-8504-28f5730f4691/bin/utaipan-verify-nQ1chXbOIh/cvc4 [2023-12-02 12:29:36,202 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef7eb07f-86cf-4f45-8504-28f5730f4691/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 12:29:36,203 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef7eb07f-86cf-4f45-8504-28f5730f4691/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2023-12-02 12:29:37,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 12:29:38,012 INFO L262 TraceCheckSpWp]: Trace formula consists of 394 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-02 12:29:38,018 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 12:29:39,580 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3120 trivial. 0 not checked. [2023-12-02 12:29:39,580 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 12:29:39,581 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1586751388] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 12:29:39,581 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-12-02 12:29:39,581 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [7] total 9 [2023-12-02 12:29:39,581 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1989703492] [2023-12-02 12:29:39,581 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 12:29:39,582 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-02 12:29:39,582 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 12:29:39,583 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-02 12:29:39,583 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=107, Unknown=0, NotChecked=0, Total=156 [2023-12-02 12:29:39,583 INFO L87 Difference]: Start difference. First operand 342 states and 533 transitions. Second operand has 5 states, 5 states have (on average 9.2) internal successors, (46), 4 states have internal predecessors, (46), 1 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 1 states have call predecessors, (40), 1 states have call successors, (40) [2023-12-02 12:29:42,451 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 12:29:44,667 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 12:29:46,671 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 12:29:49,073 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 12:29:50,831 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.76s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 12:29:53,042 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 12:29:55,292 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 12:29:55,343 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 12:29:55,343 INFO L93 Difference]: Finished difference Result 647 states and 994 transitions. [2023-12-02 12:29:55,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-02 12:29:55,344 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.2) internal successors, (46), 4 states have internal predecessors, (46), 1 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 1 states have call predecessors, (40), 1 states have call successors, (40) Word has length 243 [2023-12-02 12:29:55,344 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 12:29:55,348 INFO L225 Difference]: With dead ends: 647 [2023-12-02 12:29:55,349 INFO L226 Difference]: Without dead ends: 471 [2023-12-02 12:29:55,350 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 505 GetRequests, 493 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 2.8s TimeCoverageRelationStatistics Valid=57, Invalid=125, Unknown=0, NotChecked=0, Total=182 [2023-12-02 12:29:55,350 INFO L413 NwaCegarLoop]: 134 mSDtfsCounter, 46 mSDsluCounter, 224 mSDsCounter, 0 mSdLazyCounter, 207 mSolverCounterSat, 1 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 46 SdHoareTripleChecker+Valid, 358 SdHoareTripleChecker+Invalid, 212 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 207 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.7s IncrementalHoareTripleChecker+Time [2023-12-02 12:29:55,351 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [46 Valid, 358 Invalid, 212 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 207 Invalid, 4 Unknown, 0 Unchecked, 15.7s Time] [2023-12-02 12:29:55,352 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 471 states. [2023-12-02 12:29:55,418 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 471 to 465. [2023-12-02 12:29:55,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 465 states, 252 states have (on average 1.2142857142857142) internal successors, (306), 254 states have internal predecessors, (306), 204 states have call successors, (204), 8 states have call predecessors, (204), 8 states have return successors, (204), 202 states have call predecessors, (204), 204 states have call successors, (204) [2023-12-02 12:29:55,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 465 states to 465 states and 714 transitions. [2023-12-02 12:29:55,424 INFO L78 Accepts]: Start accepts. Automaton has 465 states and 714 transitions. Word has length 243 [2023-12-02 12:29:55,424 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 12:29:55,424 INFO L495 AbstractCegarLoop]: Abstraction has 465 states and 714 transitions. [2023-12-02 12:29:55,424 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.2) internal successors, (46), 4 states have internal predecessors, (46), 1 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 1 states have call predecessors, (40), 1 states have call successors, (40) [2023-12-02 12:29:55,425 INFO L276 IsEmpty]: Start isEmpty. Operand 465 states and 714 transitions. [2023-12-02 12:29:55,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 244 [2023-12-02 12:29:55,426 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 12:29:55,426 INFO L195 NwaCegarLoop]: trace histogram [40, 40, 40, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:29:55,435 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef7eb07f-86cf-4f45-8504-28f5730f4691/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 (6)] Ended with exit code 0 [2023-12-02 12:29:55,633 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef7eb07f-86cf-4f45-8504-28f5730f4691/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2023-12-02 12:29:55,827 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef7eb07f-86cf-4f45-8504-28f5730f4691/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=3,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef7eb07f-86cf-4f45-8504-28f5730f4691/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt [2023-12-02 12:29:55,827 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 12:29:55,827 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 12:29:55,828 INFO L85 PathProgramCache]: Analyzing trace with hash -26721300, now seen corresponding path program 1 times [2023-12-02 12:29:55,828 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 12:29:55,828 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2144730966] [2023-12-02 12:29:55,828 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 12:29:55,829 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 12:29:55,829 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef7eb07f-86cf-4f45-8504-28f5730f4691/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 12:29:55,829 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef7eb07f-86cf-4f45-8504-28f5730f4691/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 12:29:55,830 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef7eb07f-86cf-4f45-8504-28f5730f4691/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 (8)] Waiting until timeout for monitored process [2023-12-02 12:29:56,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 12:29:56,271 INFO L262 TraceCheckSpWp]: Trace formula consists of 394 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-02 12:29:56,277 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 12:29:58,193 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3120 trivial. 0 not checked. [2023-12-02 12:29:58,193 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 12:29:58,193 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 12:29:58,193 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2144730966] [2023-12-02 12:29:58,193 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2144730966] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 12:29:58,193 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 12:29:58,194 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-02 12:29:58,194 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1259979142] [2023-12-02 12:29:58,194 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 12:29:58,194 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-02 12:29:58,194 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 12:29:58,195 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-02 12:29:58,195 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-02 12:29:58,195 INFO L87 Difference]: Start difference. First operand 465 states and 714 transitions. Second operand has 4 states, 4 states have (on average 11.5) internal successors, (46), 3 states have internal predecessors, (46), 1 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 1 states have call predecessors, (40), 1 states have call successors, (40) [2023-12-02 12:30:00,807 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 12:30:02,188 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.38s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 12:30:04,381 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 12:30:06,386 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 12:30:08,298 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.41s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 12:30:08,368 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 12:30:08,368 INFO L93 Difference]: Finished difference Result 659 states and 1011 transitions. [2023-12-02 12:30:08,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 12:30:08,372 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.5) internal successors, (46), 3 states have internal predecessors, (46), 1 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 1 states have call predecessors, (40), 1 states have call successors, (40) Word has length 243 [2023-12-02 12:30:08,372 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 12:30:08,377 INFO L225 Difference]: With dead ends: 659 [2023-12-02 12:30:08,377 INFO L226 Difference]: Without dead ends: 467 [2023-12-02 12:30:08,378 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 243 GetRequests, 240 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-12-02 12:30:08,379 INFO L413 NwaCegarLoop]: 134 mSDtfsCounter, 19 mSDsluCounter, 177 mSDsCounter, 0 mSdLazyCounter, 112 mSolverCounterSat, 0 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 311 SdHoareTripleChecker+Invalid, 115 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 112 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.1s IncrementalHoareTripleChecker+Time [2023-12-02 12:30:08,379 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 311 Invalid, 115 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 112 Invalid, 3 Unknown, 0 Unchecked, 10.1s Time] [2023-12-02 12:30:08,380 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 467 states. [2023-12-02 12:30:08,444 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 467 to 465. [2023-12-02 12:30:08,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 465 states, 252 states have (on average 1.2103174603174602) internal successors, (305), 254 states have internal predecessors, (305), 204 states have call successors, (204), 8 states have call predecessors, (204), 8 states have return successors, (204), 202 states have call predecessors, (204), 204 states have call successors, (204) [2023-12-02 12:30:08,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 465 states to 465 states and 713 transitions. [2023-12-02 12:30:08,448 INFO L78 Accepts]: Start accepts. Automaton has 465 states and 713 transitions. Word has length 243 [2023-12-02 12:30:08,449 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 12:30:08,449 INFO L495 AbstractCegarLoop]: Abstraction has 465 states and 713 transitions. [2023-12-02 12:30:08,449 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.5) internal successors, (46), 3 states have internal predecessors, (46), 1 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 1 states have call predecessors, (40), 1 states have call successors, (40) [2023-12-02 12:30:08,449 INFO L276 IsEmpty]: Start isEmpty. Operand 465 states and 713 transitions. [2023-12-02 12:30:08,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 244 [2023-12-02 12:30:08,451 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 12:30:08,451 INFO L195 NwaCegarLoop]: trace histogram [40, 40, 40, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:30:08,460 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef7eb07f-86cf-4f45-8504-28f5730f4691/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 (8)] Ended with exit code 0 [2023-12-02 12:30:08,651 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef7eb07f-86cf-4f45-8504-28f5730f4691/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 12:30:08,653 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 12:30:08,654 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 12:30:08,654 INFO L85 PathProgramCache]: Analyzing trace with hash -24874258, now seen corresponding path program 1 times [2023-12-02 12:30:08,656 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 12:30:08,656 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2135505780] [2023-12-02 12:30:08,657 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 12:30:08,657 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 12:30:08,658 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef7eb07f-86cf-4f45-8504-28f5730f4691/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 12:30:08,660 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef7eb07f-86cf-4f45-8504-28f5730f4691/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 12:30:08,664 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef7eb07f-86cf-4f45-8504-28f5730f4691/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 (9)] Waiting until timeout for monitored process [2023-12-02 12:30:09,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 12:30:09,507 INFO L262 TraceCheckSpWp]: Trace formula consists of 393 conjuncts, 54 conjunts are in the unsatisfiable core [2023-12-02 12:30:09,514 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 12:34:04,053 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse2 ((_ sign_extend 24) c_~var_1_18~0)) (.cse3 ((_ to_fp 11 53) c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode 4611686018427382800.0))) (.cse0 ((_ to_fp 11 53) c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode (/ 1.0 100000000000000000000.0)))) (.cse1 ((_ sign_extend 24) c_~var_1_19~0)) (.cse7 ((_ zero_extend 24) c_~var_1_5~0)) (.cse4 ((_ sign_extend 24) c_~var_1_17~0))) (and (fp.geq c_~var_1_10~0 .cse0) (bvsle .cse1 (_ bv31 32)) (= (_ bv0 16) c_~var_1_21~0) (bvsle .cse2 (_ bv32 32)) (fp.leq c_~var_1_12~0 .cse3) (bvsge .cse2 (_ bv4294967265 32)) (fp.geq c_~var_1_14~0 .cse0) (= c_~var_1_3~0 (_ bv64 8)) (fp.leq c_~var_1_14~0 .cse3) (fp.geq c_~var_1_13~0 .cse0) (fp.geq c_~var_1_12~0 .cse0) (fp.leq c_~var_1_13~0 .cse3) (bvsge .cse4 (_ bv4294967233 32)) (fp.leq c_~var_1_10~0 .cse3) (let ((.cse5 (fp.gt c_~var_1_10~0 c_~var_1_11~0)) (.cse6 (fp.sub c_currentRoundingMode c_~var_1_13~0 c_~var_1_14~0))) (or (and .cse5 (= c_~var_1_8~0 (fp.add c_currentRoundingMode (fp.sub c_currentRoundingMode c_~var_1_10~0 c_~var_1_12~0) .cse6))) (and (not .cse5) (= c_~var_1_8~0 (fp.add c_currentRoundingMode (fp.sub c_currentRoundingMode c_~var_1_11~0 c_~var_1_12~0) .cse6))))) (= c_~var_1_6~0 (_ bv10 16)) (not (bvsgt (_ bv32 32) c_~var_1_9~0)) (bvslt (_ bv64 32) (bvsrem .cse7 c_~var_1_9~0)) (fp.leq c_~var_1_11~0 .cse3) (fp.geq c_~var_1_11~0 .cse0) (bvsge .cse1 (_ bv4294967265 32)) (let ((.cse10 (bvadd .cse7 (_ bv10 32))) (.cse8 ((_ zero_extend 24) c_~var_1_4~0))) (let ((.cse9 (bvsgt .cse10 .cse8))) (or (and (= ((_ extract 15 0) .cse8) c_~var_1_20~0) (not .cse9)) (and .cse9 (= c_~var_1_20~0 ((_ extract 15 0) .cse10)))))) (= (_ bv0 16) c_~last_1_var_1_21~0) (bvsle .cse4 (_ bv63 32)) (= c_currentRoundingMode roundNearestTiesToEven))) is different from false [2023-12-02 12:36:45,672 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse2 ((_ sign_extend 24) c_~var_1_18~0)) (.cse5 ((_ to_fp 11 53) c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode 4611686018427382800.0))) (.cse0 ((_ to_fp 11 53) c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode (/ 1.0 100000000000000000000.0)))) (.cse1 ((_ sign_extend 24) c_~var_1_19~0)) (.cse10 ((_ zero_extend 24) c_~var_1_5~0)) (.cse6 ((_ sign_extend 24) c_~var_1_17~0))) (and (fp.geq c_~var_1_10~0 .cse0) (bvsle .cse1 (_ bv31 32)) (= (_ bv0 16) c_~var_1_21~0) (bvsle .cse2 (_ bv32 32)) (let ((.cse3 ((_ sign_extend 24) c_~var_1_16~0))) (let ((.cse4 (bvslt .cse3 (_ bv0 32)))) (or (and (= .cse3 c_~var_1_1~0) (not .cse4)) (and (= c_~var_1_1~0 (bvneg .cse3)) .cse4)))) (fp.leq c_~var_1_12~0 .cse5) (bvsge .cse2 (_ bv4294967265 32)) (fp.geq c_~var_1_14~0 .cse0) (let ((.cse7 (bvslt .cse1 (_ bv0 32)))) (or (and (= c_~var_1_16~0 ((_ extract 7 0) (bvadd .cse1 .cse6 .cse2))) (not .cse7)) (and .cse7 (= ((_ extract 7 0) (bvadd .cse6 .cse2 (bvneg .cse1))) c_~var_1_16~0)))) (= c_~var_1_3~0 (_ bv64 8)) (fp.leq c_~var_1_14~0 .cse5) (fp.geq c_~var_1_13~0 .cse0) (fp.geq c_~var_1_12~0 .cse0) (fp.leq c_~var_1_13~0 .cse5) (bvsge .cse6 (_ bv4294967233 32)) (fp.leq c_~var_1_10~0 .cse5) (let ((.cse8 (fp.gt c_~var_1_10~0 c_~var_1_11~0)) (.cse9 (fp.sub c_currentRoundingMode c_~var_1_13~0 c_~var_1_14~0))) (or (and .cse8 (= c_~var_1_8~0 (fp.add c_currentRoundingMode (fp.sub c_currentRoundingMode c_~var_1_10~0 c_~var_1_12~0) .cse9))) (and (not .cse8) (= c_~var_1_8~0 (fp.add c_currentRoundingMode (fp.sub c_currentRoundingMode c_~var_1_11~0 c_~var_1_12~0) .cse9))))) (= c_~var_1_6~0 (_ bv10 16)) (not (bvsgt (_ bv32 32) c_~var_1_9~0)) (bvslt (_ bv64 32) (bvsrem .cse10 c_~var_1_9~0)) (fp.leq c_~var_1_11~0 .cse5) (fp.geq c_~var_1_11~0 .cse0) (bvsge .cse1 (_ bv4294967265 32)) (let ((.cse13 (bvadd .cse10 (_ bv10 32))) (.cse11 ((_ zero_extend 24) c_~var_1_4~0))) (let ((.cse12 (bvsgt .cse13 .cse11))) (or (and (= ((_ extract 15 0) .cse11) c_~var_1_20~0) (not .cse12)) (and .cse12 (= c_~var_1_20~0 ((_ extract 15 0) .cse13)))))) (= (_ bv0 16) c_~last_1_var_1_21~0) (bvsle .cse6 (_ bv63 32)) (= c_currentRoundingMode roundNearestTiesToEven))) is different from false [2023-12-02 12:42:15,076 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse2 ((_ sign_extend 24) c_~var_1_18~0)) (.cse5 ((_ to_fp 11 53) c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode 4611686018427382800.0))) (.cse0 ((_ to_fp 11 53) c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode (/ 1.0 100000000000000000000.0)))) (.cse1 ((_ sign_extend 24) c_~var_1_19~0)) (.cse8 ((_ zero_extend 24) c_~var_1_4~0)) (.cse9 ((_ zero_extend 24) c_~var_1_5~0)) (.cse6 ((_ sign_extend 24) c_~var_1_17~0))) (and (fp.geq c_~var_1_10~0 .cse0) (bvsle .cse1 (_ bv31 32)) (= (_ bv0 16) c_~var_1_21~0) (bvsle .cse2 (_ bv32 32)) (let ((.cse3 ((_ sign_extend 24) c_~var_1_16~0))) (let ((.cse4 (bvslt .cse3 (_ bv0 32)))) (or (and (= .cse3 c_~var_1_1~0) (not .cse4)) (and (= c_~var_1_1~0 (bvneg .cse3)) .cse4)))) (fp.leq c_~var_1_12~0 .cse5) (bvsge .cse2 (_ bv4294967265 32)) (fp.geq c_~var_1_14~0 .cse0) (let ((.cse7 (bvslt .cse1 (_ bv0 32)))) (or (and (= c_~var_1_16~0 ((_ extract 7 0) (bvadd .cse1 .cse6 .cse2))) (not .cse7)) (and .cse7 (= ((_ extract 7 0) (bvadd .cse6 .cse2 (bvneg .cse1))) c_~var_1_16~0)))) (= c_~var_1_3~0 (_ bv64 8)) (fp.leq c_~var_1_14~0 .cse5) (fp.geq c_~var_1_13~0 .cse0) (fp.geq c_~var_1_12~0 .cse0) (fp.leq c_~var_1_13~0 .cse5) (bvsge .cse6 (_ bv4294967233 32)) (fp.leq c_~var_1_10~0 .cse5) (= c_~var_1_15~0 ((_ extract 15 0) (bvadd .cse8 .cse9))) (let ((.cse10 (fp.gt c_~var_1_10~0 c_~var_1_11~0)) (.cse11 (fp.sub c_currentRoundingMode c_~var_1_13~0 c_~var_1_14~0))) (or (and .cse10 (= c_~var_1_8~0 (fp.add c_currentRoundingMode (fp.sub c_currentRoundingMode c_~var_1_10~0 c_~var_1_12~0) .cse11))) (and (not .cse10) (= c_~var_1_8~0 (fp.add c_currentRoundingMode (fp.sub c_currentRoundingMode c_~var_1_11~0 c_~var_1_12~0) .cse11))))) (= c_~var_1_6~0 (_ bv10 16)) (not (bvsgt (_ bv32 32) c_~var_1_9~0)) (bvslt (_ bv64 32) (bvsrem .cse9 c_~var_1_9~0)) (fp.leq c_~var_1_11~0 .cse5) (fp.geq c_~var_1_11~0 .cse0) (bvsge .cse1 (_ bv4294967265 32)) (let ((.cse13 (bvadd .cse9 (_ bv10 32)))) (let ((.cse12 (bvsgt .cse13 .cse8))) (or (and (= ((_ extract 15 0) .cse8) c_~var_1_20~0) (not .cse12)) (and .cse12 (= c_~var_1_20~0 ((_ extract 15 0) .cse13)))))) (= (_ bv0 16) c_~last_1_var_1_21~0) (bvsle .cse6 (_ bv63 32)) (= c_currentRoundingMode roundNearestTiesToEven))) is different from false