./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-25_file-9.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_3d9fef46-b870-40c4-b2ff-d372a3583c47/bin/utaipan-verify-nQ1chXbOIh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d9fef46-b870-40c4-b2ff-d372a3583c47/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_3d9fef46-b870-40c4-b2ff-d372a3583c47/bin/utaipan-verify-nQ1chXbOIh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d9fef46-b870-40c4-b2ff-d372a3583c47/bin/utaipan-verify-nQ1chXbOIh/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-25_file-9.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d9fef46-b870-40c4-b2ff-d372a3583c47/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_3d9fef46-b870-40c4-b2ff-d372a3583c47/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 e27a7e8208feb4e2a429aaf18357ed884e258fb84f6f2f7be613f0f94968064e --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 18:48:18,853 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 18:48:18,930 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d9fef46-b870-40c4-b2ff-d372a3583c47/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-12-02 18:48:18,934 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 18:48:18,934 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-02 18:48:18,956 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 18:48:18,956 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-02 18:48:18,957 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-02 18:48:18,958 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 18:48:18,958 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-02 18:48:18,959 INFO L153 SettingsManager]: * User list type=DISABLED [2023-12-02 18:48:18,959 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-12-02 18:48:18,960 INFO L153 SettingsManager]: * Explicit value domain=true [2023-12-02 18:48:18,960 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-12-02 18:48:18,961 INFO L153 SettingsManager]: * Octagon Domain=false [2023-12-02 18:48:18,961 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-12-02 18:48:18,962 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-12-02 18:48:18,962 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-12-02 18:48:18,962 INFO L153 SettingsManager]: * Interval Domain=false [2023-12-02 18:48:18,963 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-12-02 18:48:18,963 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-12-02 18:48:18,964 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-12-02 18:48:18,965 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 18:48:18,965 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 18:48:18,965 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 18:48:18,966 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 18:48:18,966 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 18:48:18,967 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 18:48:18,967 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 18:48:18,967 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 18:48:18,968 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 18:48:18,968 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 18:48:18,968 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 18:48:18,968 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 18:48:18,969 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 18:48:18,969 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-02 18:48:18,969 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-02 18:48:18,969 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 18:48:18,969 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 18:48:18,970 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 18:48:18,970 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 18:48:18,970 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-12-02 18:48:18,970 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 18:48:18,970 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-02 18:48:18,971 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 18:48:18,971 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-12-02 18:48:18,971 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 18:48:18,971 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_3d9fef46-b870-40c4-b2ff-d372a3583c47/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d9fef46-b870-40c4-b2ff-d372a3583c47/bin/utaipan-verify-nQ1chXbOIh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e27a7e8208feb4e2a429aaf18357ed884e258fb84f6f2f7be613f0f94968064e [2023-12-02 18:48:19,187 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 18:48:19,209 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 18:48:19,211 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 18:48:19,213 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 18:48:19,213 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 18:48:19,214 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d9fef46-b870-40c4-b2ff-d372a3583c47/bin/utaipan-verify-nQ1chXbOIh/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-25_file-9.i [2023-12-02 18:48:21,952 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 18:48:22,167 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 18:48:22,168 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d9fef46-b870-40c4-b2ff-d372a3583c47/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-25_file-9.i [2023-12-02 18:48:22,178 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d9fef46-b870-40c4-b2ff-d372a3583c47/bin/utaipan-verify-nQ1chXbOIh/data/542f877d5/6614195f741049438798f7c6141ec7fc/FLAG43f9b5e8f [2023-12-02 18:48:22,192 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d9fef46-b870-40c4-b2ff-d372a3583c47/bin/utaipan-verify-nQ1chXbOIh/data/542f877d5/6614195f741049438798f7c6141ec7fc [2023-12-02 18:48:22,194 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 18:48:22,195 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 18:48:22,196 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 18:48:22,196 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 18:48:22,201 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 18:48:22,202 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 06:48:22" (1/1) ... [2023-12-02 18:48:22,203 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@48a4c89b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:48:22, skipping insertion in model container [2023-12-02 18:48:22,203 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 06:48:22" (1/1) ... [2023-12-02 18:48:22,234 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 18:48:22,365 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_3d9fef46-b870-40c4-b2ff-d372a3583c47/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-25_file-9.i[914,927] [2023-12-02 18:48:22,425 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 18:48:22,437 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 18:48:22,446 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_3d9fef46-b870-40c4-b2ff-d372a3583c47/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-25_file-9.i[914,927] [2023-12-02 18:48:22,481 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 18:48:22,496 INFO L206 MainTranslator]: Completed translation [2023-12-02 18:48:22,497 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:48:22 WrapperNode [2023-12-02 18:48:22,497 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 18:48:22,498 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 18:48:22,498 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 18:48:22,498 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 18:48:22,505 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:48:22" (1/1) ... [2023-12-02 18:48:22,516 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:48:22" (1/1) ... [2023-12-02 18:48:22,557 INFO L138 Inliner]: procedures = 26, calls = 41, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 236 [2023-12-02 18:48:22,557 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 18:48:22,558 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 18:48:22,558 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 18:48:22,558 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 18:48:22,566 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:48:22" (1/1) ... [2023-12-02 18:48:22,567 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:48:22" (1/1) ... [2023-12-02 18:48:22,570 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:48:22" (1/1) ... [2023-12-02 18:48:22,571 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:48:22" (1/1) ... [2023-12-02 18:48:22,583 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:48:22" (1/1) ... [2023-12-02 18:48:22,588 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:48:22" (1/1) ... [2023-12-02 18:48:22,591 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:48:22" (1/1) ... [2023-12-02 18:48:22,594 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:48:22" (1/1) ... [2023-12-02 18:48:22,599 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 18:48:22,600 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 18:48:22,600 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 18:48:22,601 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 18:48:22,601 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:48:22" (1/1) ... [2023-12-02 18:48:22,608 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 18:48:22,621 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d9fef46-b870-40c4-b2ff-d372a3583c47/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 18:48:22,638 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d9fef46-b870-40c4-b2ff-d372a3583c47/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-12-02 18:48:22,646 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d9fef46-b870-40c4-b2ff-d372a3583c47/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-12-02 18:48:22,675 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 18:48:22,675 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-02 18:48:22,675 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-02 18:48:22,675 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 18:48:22,676 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 18:48:22,676 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 18:48:22,758 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 18:48:22,760 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 18:48:23,160 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 18:48:23,467 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 18:48:23,468 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-02 18:48:23,469 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 06:48:23 BoogieIcfgContainer [2023-12-02 18:48:23,469 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 18:48:23,472 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-02 18:48:23,472 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-02 18:48:23,474 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-02 18:48:23,475 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 06:48:22" (1/3) ... [2023-12-02 18:48:23,475 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@76f4e67a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 06:48:23, skipping insertion in model container [2023-12-02 18:48:23,475 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:48:22" (2/3) ... [2023-12-02 18:48:23,476 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@76f4e67a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 06:48:23, skipping insertion in model container [2023-12-02 18:48:23,476 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 06:48:23" (3/3) ... [2023-12-02 18:48:23,477 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodesize_ps-cn-25_file-9.i [2023-12-02 18:48:23,492 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-02 18:48:23,492 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-02 18:48:23,533 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-02 18:48:23,539 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;@ddc2c8e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-02 18:48:23,539 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-02 18:48:23,543 INFO L276 IsEmpty]: Start isEmpty. Operand has 52 states, 21 states have (on average 1.1428571428571428) internal successors, (24), 22 states have internal predecessors, (24), 28 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28) [2023-12-02 18:48:23,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2023-12-02 18:48:23,555 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 18:48:23,556 INFO L195 NwaCegarLoop]: trace histogram [28, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:48:23,556 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 18:48:23,561 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 18:48:23,562 INFO L85 PathProgramCache]: Analyzing trace with hash -815808863, now seen corresponding path program 1 times [2023-12-02 18:48:23,569 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 18:48:23,569 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [715581542] [2023-12-02 18:48:23,570 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 18:48:23,570 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 18:48:23,752 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-02 18:48:23,753 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1496831732] [2023-12-02 18:48:23,753 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 18:48:23,753 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 18:48:23,753 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d9fef46-b870-40c4-b2ff-d372a3583c47/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 18:48:23,756 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d9fef46-b870-40c4-b2ff-d372a3583c47/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 18:48:23,760 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d9fef46-b870-40c4-b2ff-d372a3583c47/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-12-02 18:48:24,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 18:48:24,017 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 18:48:24,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 18:48:24,234 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-12-02 18:48:24,236 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-12-02 18:48:24,237 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-02 18:48:24,247 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d9fef46-b870-40c4-b2ff-d372a3583c47/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-12-02 18:48:24,441 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d9fef46-b870-40c4-b2ff-d372a3583c47/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-12-02 18:48:24,445 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-12-02 18:48:24,448 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-12-02 18:48:24,553 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 06:48:24 BoogieIcfgContainer [2023-12-02 18:48:24,553 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-02 18:48:24,554 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-02 18:48:24,554 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-02 18:48:24,554 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-02 18:48:24,554 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 06:48:23" (3/4) ... [2023-12-02 18:48:24,556 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-02 18:48:24,558 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-02 18:48:24,559 INFO L158 Benchmark]: Toolchain (without parser) took 2363.47ms. Allocated memory is still 151.0MB. Free memory was 120.6MB in the beginning and 80.8MB in the end (delta: 39.8MB). Peak memory consumption was 40.4MB. Max. memory is 16.1GB. [2023-12-02 18:48:24,559 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 115.3MB. Free memory is still 75.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 18:48:24,560 INFO L158 Benchmark]: CACSL2BoogieTranslator took 301.25ms. Allocated memory is still 151.0MB. Free memory was 120.6MB in the beginning and 105.9MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-12-02 18:48:24,561 INFO L158 Benchmark]: Boogie Procedure Inliner took 59.43ms. Allocated memory is still 151.0MB. Free memory was 105.9MB in the beginning and 102.3MB in the end (delta: 3.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 18:48:24,561 INFO L158 Benchmark]: Boogie Preprocessor took 41.48ms. Allocated memory is still 151.0MB. Free memory was 102.3MB in the beginning and 100.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 18:48:24,562 INFO L158 Benchmark]: RCFGBuilder took 869.06ms. Allocated memory is still 151.0MB. Free memory was 100.1MB in the beginning and 77.4MB in the end (delta: 22.8MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. [2023-12-02 18:48:24,562 INFO L158 Benchmark]: TraceAbstraction took 1081.46ms. Allocated memory is still 151.0MB. Free memory was 76.7MB in the beginning and 81.7MB in the end (delta: -4.9MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 18:48:24,563 INFO L158 Benchmark]: Witness Printer took 4.23ms. Allocated memory is still 151.0MB. Free memory was 81.7MB in the beginning and 80.8MB in the end (delta: 895.6kB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 18:48:24,566 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 115.3MB. Free memory is still 75.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 301.25ms. Allocated memory is still 151.0MB. Free memory was 120.6MB in the beginning and 105.9MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 59.43ms. Allocated memory is still 151.0MB. Free memory was 105.9MB in the beginning and 102.3MB in the end (delta: 3.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 41.48ms. Allocated memory is still 151.0MB. Free memory was 102.3MB in the beginning and 100.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 869.06ms. Allocated memory is still 151.0MB. Free memory was 100.1MB in the beginning and 77.4MB in the end (delta: 22.8MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. * TraceAbstraction took 1081.46ms. Allocated memory is still 151.0MB. Free memory was 76.7MB in the beginning and 81.7MB in the end (delta: -4.9MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.23ms. Allocated memory is still 151.0MB. Free memory was 81.7MB in the beginning and 80.8MB in the end (delta: 895.6kB). 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 63, overapproximation of shiftLeft at line 82, overapproximation of shiftRight at line 110, overapproximation of someUnaryDOUBLEoperation at line 60, overapproximation of someBinaryDOUBLEComparisonOperation at line 60. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] double var_1_1 = 5.5; [L23] signed short int var_1_3 = 1; [L24] signed long int var_1_5 = -64; [L25] signed char var_1_6 = 10; [L26] signed char var_1_7 = 5; [L27] double var_1_8 = 16.25; [L28] double var_1_9 = 1.8; [L29] unsigned char var_1_10 = 32; [L30] unsigned char var_1_11 = 64; [L31] unsigned short int var_1_12 = 16; [L32] unsigned long int var_1_13 = 128; [L33] unsigned char var_1_15 = 1; [L34] unsigned short int var_1_16 = 256; [L35] signed char var_1_18 = -2; [L36] unsigned long int var_1_19 = 50; [L37] unsigned char var_1_20 = 0; [L38] unsigned char var_1_21 = 0; [L39] unsigned long int var_1_22 = 0; [L40] unsigned char var_1_23 = 64; [L41] unsigned char var_1_24 = 2; [L42] double var_1_25 = 127.75; [L43] double var_1_26 = 9999999999999.2; [L44] double var_1_27 = 9.1; [L45] signed long int var_1_28 = -64; [L46] unsigned char var_1_29 = 8; [L47] unsigned char var_1_30 = 10; [L48] unsigned char var_1_31 = 0; [L49] unsigned char last_1_var_1_10 = 32; [L50] unsigned short int last_1_var_1_12 = 16; [L51] unsigned long int last_1_var_1_13 = 128; [L174] isInitial = 1 [L175] FCALL initially() [L176] COND TRUE 1 [L177] CALL updateLastVariables() [L165] last_1_var_1_10 = var_1_10 [L166] last_1_var_1_12 = var_1_12 [L167] last_1_var_1_13 = var_1_13 [L177] RET updateLastVariables() [L178] CALL updateVariables() [L120] var_1_3 = __VERIFIER_nondet_short() [L121] CALL assume_abort_if_not(var_1_3 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=32, var_1_11=64, var_1_12=16, var_1_13=128, var_1_15=1, var_1_16=256, var_1_18=-2, var_1_19=50, var_1_1=11/2, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=2, var_1_25=511/4, var_1_26=49999999999996/5, var_1_27=91/10, var_1_28=-64, var_1_29=8, var_1_30=10, var_1_31=0, var_1_3=0, var_1_5=-64, var_1_6=10, var_1_7=5, var_1_8=65/4, var_1_9=9/5] [L20] COND FALSE !(!cond) [L121] RET assume_abort_if_not(var_1_3 >= 0) VAL [isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=32, var_1_11=64, var_1_12=16, var_1_13=128, var_1_15=1, var_1_16=256, var_1_18=-2, var_1_19=50, var_1_1=11/2, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=2, var_1_25=511/4, var_1_26=49999999999996/5, var_1_27=91/10, var_1_28=-64, var_1_29=8, var_1_30=10, var_1_31=0, var_1_3=0, var_1_5=-64, var_1_6=10, var_1_7=5, var_1_8=65/4, var_1_9=9/5] [L122] CALL assume_abort_if_not(var_1_3 <= 8) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=32, var_1_11=64, var_1_12=16, var_1_13=128, var_1_15=1, var_1_16=256, var_1_18=-2, var_1_19=50, var_1_1=11/2, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=2, var_1_25=511/4, var_1_26=49999999999996/5, var_1_27=91/10, var_1_28=-64, var_1_29=8, var_1_30=10, var_1_31=0, var_1_3=0, var_1_5=-64, var_1_6=10, var_1_7=5, var_1_8=65/4, var_1_9=9/5] [L20] COND FALSE !(!cond) [L122] RET assume_abort_if_not(var_1_3 <= 8) VAL [isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=32, var_1_11=64, var_1_12=16, var_1_13=128, var_1_15=1, var_1_16=256, var_1_18=-2, var_1_19=50, var_1_1=11/2, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=2, var_1_25=511/4, var_1_26=49999999999996/5, var_1_27=91/10, var_1_28=-64, var_1_29=8, var_1_30=10, var_1_31=0, var_1_3=0, var_1_5=-64, var_1_6=10, var_1_7=5, var_1_8=65/4, var_1_9=9/5] [L123] var_1_5 = __VERIFIER_nondet_long() [L124] CALL assume_abort_if_not(var_1_5 >= -2147483648) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=32, var_1_11=64, var_1_12=16, var_1_13=128, var_1_15=1, var_1_16=256, var_1_18=-2, var_1_19=50, var_1_1=11/2, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=2, var_1_25=511/4, var_1_26=49999999999996/5, var_1_27=91/10, var_1_28=-64, var_1_29=8, var_1_30=10, var_1_31=0, var_1_3=0, var_1_5=-1, var_1_6=10, var_1_7=5, var_1_8=65/4, var_1_9=9/5] [L20] COND FALSE !(!cond) [L124] RET assume_abort_if_not(var_1_5 >= -2147483648) VAL [isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=32, var_1_11=64, var_1_12=16, var_1_13=128, var_1_15=1, var_1_16=256, var_1_18=-2, var_1_19=50, var_1_1=11/2, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=2, var_1_25=511/4, var_1_26=49999999999996/5, var_1_27=91/10, var_1_28=-64, var_1_29=8, var_1_30=10, var_1_31=0, var_1_3=0, var_1_5=-1, var_1_6=10, var_1_7=5, var_1_8=65/4, var_1_9=9/5] [L125] CALL assume_abort_if_not(var_1_5 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=32, var_1_11=64, var_1_12=16, var_1_13=128, var_1_15=1, var_1_16=256, var_1_18=-2, var_1_19=50, var_1_1=11/2, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=2, var_1_25=511/4, var_1_26=49999999999996/5, var_1_27=91/10, var_1_28=-64, var_1_29=8, var_1_30=10, var_1_31=0, var_1_3=0, var_1_5=-1, var_1_6=10, var_1_7=5, var_1_8=65/4, var_1_9=9/5] [L20] COND FALSE !(!cond) [L125] RET assume_abort_if_not(var_1_5 <= 2147483647) VAL [isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=32, var_1_11=64, var_1_12=16, var_1_13=128, var_1_15=1, var_1_16=256, var_1_18=-2, var_1_19=50, var_1_1=11/2, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=2, var_1_25=511/4, var_1_26=49999999999996/5, var_1_27=91/10, var_1_28=-64, var_1_29=8, var_1_30=10, var_1_31=0, var_1_3=0, var_1_5=-1, var_1_6=10, var_1_7=5, var_1_8=65/4, var_1_9=9/5] [L126] CALL assume_abort_if_not(var_1_5 != 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=32, var_1_11=64, var_1_12=16, var_1_13=128, var_1_15=1, var_1_16=256, var_1_18=-2, var_1_19=50, var_1_1=11/2, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=2, var_1_25=511/4, var_1_26=49999999999996/5, var_1_27=91/10, var_1_28=-64, var_1_29=8, var_1_30=10, var_1_31=0, var_1_3=0, var_1_5=-1, var_1_6=10, var_1_7=5, var_1_8=65/4, var_1_9=9/5] [L20] COND FALSE !(!cond) [L126] RET assume_abort_if_not(var_1_5 != 0) VAL [isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=32, var_1_11=64, var_1_12=16, var_1_13=128, var_1_15=1, var_1_16=256, var_1_18=-2, var_1_19=50, var_1_1=11/2, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=2, var_1_25=511/4, var_1_26=49999999999996/5, var_1_27=91/10, var_1_28=-64, var_1_29=8, var_1_30=10, var_1_31=0, var_1_3=0, var_1_5=-1, var_1_6=10, var_1_7=5, var_1_8=65/4, var_1_9=9/5] [L127] var_1_6 = __VERIFIER_nondet_char() [L128] CALL assume_abort_if_not(var_1_6 >= 6) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=32, var_1_11=64, var_1_12=16, var_1_13=128, var_1_15=1, var_1_16=256, var_1_18=-2, var_1_19=50, var_1_1=11/2, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=2, var_1_25=511/4, var_1_26=49999999999996/5, var_1_27=91/10, var_1_28=-64, var_1_29=8, var_1_30=10, var_1_31=0, var_1_3=0, var_1_5=-1, var_1_6=6, var_1_7=5, var_1_8=65/4, var_1_9=9/5] [L20] COND FALSE !(!cond) [L128] RET assume_abort_if_not(var_1_6 >= 6) VAL [isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=32, var_1_11=64, var_1_12=16, var_1_13=128, var_1_15=1, var_1_16=256, var_1_18=-2, var_1_19=50, var_1_1=11/2, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=2, var_1_25=511/4, var_1_26=49999999999996/5, var_1_27=91/10, var_1_28=-64, var_1_29=8, var_1_30=10, var_1_31=0, var_1_3=0, var_1_5=-1, var_1_6=6, var_1_7=5, var_1_8=65/4, var_1_9=9/5] [L129] CALL assume_abort_if_not(var_1_6 <= 12) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=32, var_1_11=64, var_1_12=16, var_1_13=128, var_1_15=1, var_1_16=256, var_1_18=-2, var_1_19=50, var_1_1=11/2, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=2, var_1_25=511/4, var_1_26=49999999999996/5, var_1_27=91/10, var_1_28=-64, var_1_29=8, var_1_30=10, var_1_31=0, var_1_3=0, var_1_5=-1, var_1_6=6, var_1_7=5, var_1_8=65/4, var_1_9=9/5] [L20] COND FALSE !(!cond) [L129] RET assume_abort_if_not(var_1_6 <= 12) VAL [isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=32, var_1_11=64, var_1_12=16, var_1_13=128, var_1_15=1, var_1_16=256, var_1_18=-2, var_1_19=50, var_1_1=11/2, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=2, var_1_25=511/4, var_1_26=49999999999996/5, var_1_27=91/10, var_1_28=-64, var_1_29=8, var_1_30=10, var_1_31=0, var_1_3=0, var_1_5=-1, var_1_6=6, var_1_7=5, var_1_8=65/4, var_1_9=9/5] [L130] var_1_7 = __VERIFIER_nondet_char() [L131] CALL assume_abort_if_not(var_1_7 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=32, var_1_11=64, var_1_12=16, var_1_13=128, var_1_15=1, var_1_16=256, var_1_18=-2, var_1_19=50, var_1_1=11/2, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=2, var_1_25=511/4, var_1_26=49999999999996/5, var_1_27=91/10, var_1_28=-64, var_1_29=8, var_1_30=10, var_1_31=0, var_1_3=0, var_1_5=-1, var_1_6=6, var_1_7=5, var_1_8=65/4, var_1_9=9/5] [L20] COND FALSE !(!cond) [L131] RET assume_abort_if_not(var_1_7 >= 0) VAL [isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=32, var_1_11=64, var_1_12=16, var_1_13=128, var_1_15=1, var_1_16=256, var_1_18=-2, var_1_19=50, var_1_1=11/2, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=2, var_1_25=511/4, var_1_26=49999999999996/5, var_1_27=91/10, var_1_28=-64, var_1_29=8, var_1_30=10, var_1_31=0, var_1_3=0, var_1_5=-1, var_1_6=6, var_1_7=5, var_1_8=65/4, var_1_9=9/5] [L132] CALL assume_abort_if_not(var_1_7 <= 6) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=32, var_1_11=64, var_1_12=16, var_1_13=128, var_1_15=1, var_1_16=256, var_1_18=-2, var_1_19=50, var_1_1=11/2, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=2, var_1_25=511/4, var_1_26=49999999999996/5, var_1_27=91/10, var_1_28=-64, var_1_29=8, var_1_30=10, var_1_31=0, var_1_3=0, var_1_5=-1, var_1_6=6, var_1_7=5, var_1_8=65/4, var_1_9=9/5] [L20] COND FALSE !(!cond) [L132] RET assume_abort_if_not(var_1_7 <= 6) VAL [isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=32, var_1_11=64, var_1_12=16, var_1_13=128, var_1_15=1, var_1_16=256, var_1_18=-2, var_1_19=50, var_1_1=11/2, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=2, var_1_25=511/4, var_1_26=49999999999996/5, var_1_27=91/10, var_1_28=-64, var_1_29=8, var_1_30=10, var_1_31=0, var_1_3=0, var_1_5=-1, var_1_6=6, var_1_7=5, var_1_8=65/4, var_1_9=9/5] [L133] var_1_8 = __VERIFIER_nondet_double() [L134] CALL assume_abort_if_not((var_1_8 >= -922337.2036854765600e+13F && var_1_8 <= -1.0e-20F) || (var_1_8 <= 9223372.036854765600e+12F && var_1_8 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=32, var_1_11=64, var_1_12=16, var_1_13=128, var_1_15=1, var_1_16=256, var_1_18=-2, var_1_19=50, var_1_1=11/2, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=2, var_1_25=511/4, var_1_26=49999999999996/5, var_1_27=91/10, var_1_28=-64, var_1_29=8, var_1_30=10, var_1_31=0, var_1_3=0, var_1_5=-1, var_1_6=6, var_1_7=5, var_1_9=9/5] [L20] COND FALSE !(!cond) [L134] RET assume_abort_if_not((var_1_8 >= -922337.2036854765600e+13F && var_1_8 <= -1.0e-20F) || (var_1_8 <= 9223372.036854765600e+12F && var_1_8 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=32, var_1_11=64, var_1_12=16, var_1_13=128, var_1_15=1, var_1_16=256, var_1_18=-2, var_1_19=50, var_1_1=11/2, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=2, var_1_25=511/4, var_1_26=49999999999996/5, var_1_27=91/10, var_1_28=-64, var_1_29=8, var_1_30=10, var_1_31=0, var_1_3=0, var_1_5=-1, var_1_6=6, var_1_7=5, var_1_9=9/5] [L135] var_1_9 = __VERIFIER_nondet_double() [L136] CALL assume_abort_if_not((var_1_9 >= -922337.2036854765600e+13F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 9223372.036854765600e+12F && var_1_9 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=32, var_1_11=64, var_1_12=16, var_1_13=128, var_1_15=1, var_1_16=256, var_1_18=-2, var_1_19=50, var_1_1=11/2, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=2, var_1_25=511/4, var_1_26=49999999999996/5, var_1_27=91/10, var_1_28=-64, var_1_29=8, var_1_30=10, var_1_31=0, var_1_3=0, var_1_5=-1, var_1_6=6, var_1_7=5] [L20] COND FALSE !(!cond) [L136] RET assume_abort_if_not((var_1_9 >= -922337.2036854765600e+13F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 9223372.036854765600e+12F && var_1_9 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=32, var_1_11=64, var_1_12=16, var_1_13=128, var_1_15=1, var_1_16=256, var_1_18=-2, var_1_19=50, var_1_1=11/2, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=2, var_1_25=511/4, var_1_26=49999999999996/5, var_1_27=91/10, var_1_28=-64, var_1_29=8, var_1_30=10, var_1_31=0, var_1_3=0, var_1_5=-1, var_1_6=6, var_1_7=5] [L137] var_1_11 = __VERIFIER_nondet_uchar() [L138] CALL assume_abort_if_not(var_1_11 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=32, var_1_12=16, var_1_13=128, var_1_15=1, var_1_16=256, var_1_18=-2, var_1_19=50, var_1_1=11/2, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=2, var_1_25=511/4, var_1_26=49999999999996/5, var_1_27=91/10, var_1_28=-64, var_1_29=8, var_1_30=10, var_1_31=0, var_1_3=0, var_1_5=-1, var_1_6=6, var_1_7=5] [L20] COND FALSE !(!cond) [L138] RET assume_abort_if_not(var_1_11 >= 0) VAL [isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=32, var_1_12=16, var_1_13=128, var_1_15=1, var_1_16=256, var_1_18=-2, var_1_19=50, var_1_1=11/2, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=2, var_1_25=511/4, var_1_26=49999999999996/5, var_1_27=91/10, var_1_28=-64, var_1_29=8, var_1_30=10, var_1_31=0, var_1_3=0, var_1_5=-1, var_1_6=6, var_1_7=5] [L139] CALL assume_abort_if_not(var_1_11 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=32, var_1_11=1, var_1_12=16, var_1_13=128, var_1_15=1, var_1_16=256, var_1_18=-2, var_1_19=50, var_1_1=11/2, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=2, var_1_25=511/4, var_1_26=49999999999996/5, var_1_27=91/10, var_1_28=-64, var_1_29=8, var_1_30=10, var_1_31=0, var_1_3=0, var_1_5=-1, var_1_6=6, var_1_7=5] [L20] COND FALSE !(!cond) [L139] RET assume_abort_if_not(var_1_11 <= 254) VAL [isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=32, var_1_11=1, var_1_12=16, var_1_13=128, var_1_15=1, var_1_16=256, var_1_18=-2, var_1_19=50, var_1_1=11/2, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=2, var_1_25=511/4, var_1_26=49999999999996/5, var_1_27=91/10, var_1_28=-64, var_1_29=8, var_1_30=10, var_1_31=0, var_1_3=0, var_1_5=-1, var_1_6=6, var_1_7=5] [L140] var_1_15 = __VERIFIER_nondet_uchar() [L141] CALL assume_abort_if_not(var_1_15 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=32, var_1_11=1, var_1_12=16, var_1_13=128, var_1_16=256, var_1_18=-2, var_1_19=50, var_1_1=11/2, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=2, var_1_25=511/4, var_1_26=49999999999996/5, var_1_27=91/10, var_1_28=-64, var_1_29=8, var_1_30=10, var_1_31=0, var_1_3=0, var_1_5=-1, var_1_6=6, var_1_7=5] [L20] COND FALSE !(!cond) [L141] RET assume_abort_if_not(var_1_15 >= 0) VAL [isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=32, var_1_11=1, var_1_12=16, var_1_13=128, var_1_16=256, var_1_18=-2, var_1_19=50, var_1_1=11/2, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=2, var_1_25=511/4, var_1_26=49999999999996/5, var_1_27=91/10, var_1_28=-64, var_1_29=8, var_1_30=10, var_1_31=0, var_1_3=0, var_1_5=-1, var_1_6=6, var_1_7=5] [L142] CALL assume_abort_if_not(var_1_15 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=32, var_1_11=1, var_1_12=16, var_1_13=128, var_1_15=0, var_1_16=256, var_1_18=-2, var_1_19=50, var_1_1=11/2, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=2, var_1_25=511/4, var_1_26=49999999999996/5, var_1_27=91/10, var_1_28=-64, var_1_29=8, var_1_30=10, var_1_31=0, var_1_3=0, var_1_5=-1, var_1_6=6, var_1_7=5] [L20] COND FALSE !(!cond) [L142] RET assume_abort_if_not(var_1_15 <= 1) VAL [isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=32, var_1_11=1, var_1_12=16, var_1_13=128, var_1_15=0, var_1_16=256, var_1_18=-2, var_1_19=50, var_1_1=11/2, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=2, var_1_25=511/4, var_1_26=49999999999996/5, var_1_27=91/10, var_1_28=-64, var_1_29=8, var_1_30=10, var_1_31=0, var_1_3=0, var_1_5=-1, var_1_6=6, var_1_7=5] [L143] var_1_20 = __VERIFIER_nondet_uchar() [L144] CALL assume_abort_if_not(var_1_20 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=32, var_1_11=1, var_1_12=16, var_1_13=128, var_1_15=0, var_1_16=256, var_1_18=-2, var_1_19=50, var_1_1=11/2, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=2, var_1_25=511/4, var_1_26=49999999999996/5, var_1_27=91/10, var_1_28=-64, var_1_29=8, var_1_30=10, var_1_31=0, var_1_3=0, var_1_5=-1, var_1_6=6, var_1_7=5] [L20] COND FALSE !(!cond) [L144] RET assume_abort_if_not(var_1_20 >= 0) VAL [isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=32, var_1_11=1, var_1_12=16, var_1_13=128, var_1_15=0, var_1_16=256, var_1_18=-2, var_1_19=50, var_1_1=11/2, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=2, var_1_25=511/4, var_1_26=49999999999996/5, var_1_27=91/10, var_1_28=-64, var_1_29=8, var_1_30=10, var_1_31=0, var_1_3=0, var_1_5=-1, var_1_6=6, var_1_7=5] [L145] CALL assume_abort_if_not(var_1_20 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=32, var_1_11=1, var_1_12=16, var_1_13=128, var_1_15=0, var_1_16=256, var_1_18=-2, var_1_19=50, var_1_1=11/2, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=2, var_1_25=511/4, var_1_26=49999999999996/5, var_1_27=91/10, var_1_28=-64, var_1_29=8, var_1_30=10, var_1_31=0, var_1_3=0, var_1_5=-1, var_1_6=6, var_1_7=5] [L20] COND FALSE !(!cond) [L145] RET assume_abort_if_not(var_1_20 <= 1) VAL [isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=32, var_1_11=1, var_1_12=16, var_1_13=128, var_1_15=0, var_1_16=256, var_1_18=-2, var_1_19=50, var_1_1=11/2, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=2, var_1_25=511/4, var_1_26=49999999999996/5, var_1_27=91/10, var_1_28=-64, var_1_29=8, var_1_30=10, var_1_31=0, var_1_3=0, var_1_5=-1, var_1_6=6, var_1_7=5] [L146] var_1_21 = __VERIFIER_nondet_uchar() [L147] CALL assume_abort_if_not(var_1_21 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=32, var_1_11=1, var_1_12=16, var_1_13=128, var_1_15=0, var_1_16=256, var_1_18=-2, var_1_19=50, var_1_1=11/2, var_1_20=0, var_1_22=0, var_1_23=64, var_1_24=2, var_1_25=511/4, var_1_26=49999999999996/5, var_1_27=91/10, var_1_28=-64, var_1_29=8, var_1_30=10, var_1_31=0, var_1_3=0, var_1_5=-1, var_1_6=6, var_1_7=5] [L20] COND FALSE !(!cond) [L147] RET assume_abort_if_not(var_1_21 >= 0) VAL [isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=32, var_1_11=1, var_1_12=16, var_1_13=128, var_1_15=0, var_1_16=256, var_1_18=-2, var_1_19=50, var_1_1=11/2, var_1_20=0, var_1_22=0, var_1_23=64, var_1_24=2, var_1_25=511/4, var_1_26=49999999999996/5, var_1_27=91/10, var_1_28=-64, var_1_29=8, var_1_30=10, var_1_31=0, var_1_3=0, var_1_5=-1, var_1_6=6, var_1_7=5] [L148] CALL assume_abort_if_not(var_1_21 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=32, var_1_11=1, var_1_12=16, var_1_13=128, var_1_15=0, var_1_16=256, var_1_18=-2, var_1_19=50, var_1_1=11/2, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=2, var_1_25=511/4, var_1_26=49999999999996/5, var_1_27=91/10, var_1_28=-64, var_1_29=8, var_1_30=10, var_1_31=0, var_1_3=0, var_1_5=-1, var_1_6=6, var_1_7=5] [L20] COND FALSE !(!cond) [L148] RET assume_abort_if_not(var_1_21 <= 1) VAL [isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=32, var_1_11=1, var_1_12=16, var_1_13=128, var_1_15=0, var_1_16=256, var_1_18=-2, var_1_19=50, var_1_1=11/2, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=2, var_1_25=511/4, var_1_26=49999999999996/5, var_1_27=91/10, var_1_28=-64, var_1_29=8, var_1_30=10, var_1_31=0, var_1_3=0, var_1_5=-1, var_1_6=6, var_1_7=5] [L149] var_1_22 = __VERIFIER_nondet_ulong() [L150] CALL assume_abort_if_not(var_1_22 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=32, var_1_11=1, var_1_12=16, var_1_13=128, var_1_15=0, var_1_16=256, var_1_18=-2, var_1_19=50, var_1_1=11/2, var_1_20=0, var_1_21=0, var_1_23=64, var_1_24=2, var_1_25=511/4, var_1_26=49999999999996/5, var_1_27=91/10, var_1_28=-64, var_1_29=8, var_1_30=10, var_1_31=0, var_1_3=0, var_1_5=-1, var_1_6=6, var_1_7=5] [L20] COND FALSE !(!cond) [L150] RET assume_abort_if_not(var_1_22 >= 0) VAL [isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=32, var_1_11=1, var_1_12=16, var_1_13=128, var_1_15=0, var_1_16=256, var_1_18=-2, var_1_19=50, var_1_1=11/2, var_1_20=0, var_1_21=0, var_1_23=64, var_1_24=2, var_1_25=511/4, var_1_26=49999999999996/5, var_1_27=91/10, var_1_28=-64, var_1_29=8, var_1_30=10, var_1_31=0, var_1_3=0, var_1_5=-1, var_1_6=6, var_1_7=5] [L151] CALL assume_abort_if_not(var_1_22 <= 4294967294) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=32, var_1_11=1, var_1_12=16, var_1_13=128, var_1_15=0, var_1_16=256, var_1_18=-2, var_1_19=50, var_1_1=11/2, var_1_20=0, var_1_21=0, var_1_22=50, var_1_23=64, var_1_24=2, var_1_25=511/4, var_1_26=49999999999996/5, var_1_27=91/10, var_1_28=-64, var_1_29=8, var_1_30=10, var_1_31=0, var_1_3=0, var_1_5=-1, var_1_6=6, var_1_7=5] [L20] COND FALSE !(!cond) [L151] RET assume_abort_if_not(var_1_22 <= 4294967294) VAL [isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=32, var_1_11=1, var_1_12=16, var_1_13=128, var_1_15=0, var_1_16=256, var_1_18=-2, var_1_19=50, var_1_1=11/2, var_1_20=0, var_1_21=0, var_1_22=50, var_1_23=64, var_1_24=2, var_1_25=511/4, var_1_26=49999999999996/5, var_1_27=91/10, var_1_28=-64, var_1_29=8, var_1_30=10, var_1_31=0, var_1_3=0, var_1_5=-1, var_1_6=6, var_1_7=5] [L152] var_1_24 = __VERIFIER_nondet_uchar() [L153] CALL assume_abort_if_not(var_1_24 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=32, var_1_11=1, var_1_12=16, var_1_13=128, var_1_15=0, var_1_16=256, var_1_18=-2, var_1_19=50, var_1_1=11/2, var_1_20=0, var_1_21=0, var_1_22=50, var_1_23=64, var_1_25=511/4, var_1_26=49999999999996/5, var_1_27=91/10, var_1_28=-64, var_1_29=8, var_1_30=10, var_1_31=0, var_1_3=0, var_1_5=-1, var_1_6=6, var_1_7=5] [L20] COND FALSE !(!cond) [L153] RET assume_abort_if_not(var_1_24 >= 0) VAL [isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=32, var_1_11=1, var_1_12=16, var_1_13=128, var_1_15=0, var_1_16=256, var_1_18=-2, var_1_19=50, var_1_1=11/2, var_1_20=0, var_1_21=0, var_1_22=50, var_1_23=64, var_1_25=511/4, var_1_26=49999999999996/5, var_1_27=91/10, var_1_28=-64, var_1_29=8, var_1_30=10, var_1_31=0, var_1_3=0, var_1_5=-1, var_1_6=6, var_1_7=5] [L154] CALL assume_abort_if_not(var_1_24 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=32, var_1_11=1, var_1_12=16, var_1_13=128, var_1_15=0, var_1_16=256, var_1_18=-2, var_1_19=50, var_1_1=11/2, var_1_20=0, var_1_21=0, var_1_22=50, var_1_23=64, var_1_24=50, var_1_25=511/4, var_1_26=49999999999996/5, var_1_27=91/10, var_1_28=-64, var_1_29=8, var_1_30=10, var_1_31=0, var_1_3=0, var_1_5=-1, var_1_6=6, var_1_7=5] [L20] COND FALSE !(!cond) [L154] RET assume_abort_if_not(var_1_24 <= 254) VAL [isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=32, var_1_11=1, var_1_12=16, var_1_13=128, var_1_15=0, var_1_16=256, var_1_18=-2, var_1_19=50, var_1_1=11/2, var_1_20=0, var_1_21=0, var_1_22=50, var_1_23=64, var_1_24=50, var_1_25=511/4, var_1_26=49999999999996/5, var_1_27=91/10, var_1_28=-64, var_1_29=8, var_1_30=10, var_1_31=0, var_1_3=0, var_1_5=-1, var_1_6=6, var_1_7=5] [L155] var_1_27 = __VERIFIER_nondet_double() [L156] CALL assume_abort_if_not((var_1_27 >= -922337.2036854765600e+13F && var_1_27 <= -1.0e-20F) || (var_1_27 <= 9223372.036854765600e+12F && var_1_27 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=32, var_1_11=1, var_1_12=16, var_1_13=128, var_1_15=0, var_1_16=256, var_1_18=-2, var_1_19=50, var_1_1=11/2, var_1_20=0, var_1_21=0, var_1_22=50, var_1_23=64, var_1_24=50, var_1_25=511/4, var_1_26=49999999999996/5, var_1_28=-64, var_1_29=8, var_1_30=10, var_1_31=0, var_1_3=0, var_1_5=-1, var_1_6=6, var_1_7=5] [L20] COND FALSE !(!cond) [L156] RET assume_abort_if_not((var_1_27 >= -922337.2036854765600e+13F && var_1_27 <= -1.0e-20F) || (var_1_27 <= 9223372.036854765600e+12F && var_1_27 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=32, var_1_11=1, var_1_12=16, var_1_13=128, var_1_15=0, var_1_16=256, var_1_18=-2, var_1_19=50, var_1_1=11/2, var_1_20=0, var_1_21=0, var_1_22=50, var_1_23=64, var_1_24=50, var_1_25=511/4, var_1_26=49999999999996/5, var_1_28=-64, var_1_29=8, var_1_30=10, var_1_31=0, var_1_3=0, var_1_5=-1, var_1_6=6, var_1_7=5] [L157] var_1_30 = __VERIFIER_nondet_uchar() [L158] CALL assume_abort_if_not(var_1_30 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=32, var_1_11=1, var_1_12=16, var_1_13=128, var_1_15=0, var_1_16=256, var_1_18=-2, var_1_19=50, var_1_1=11/2, var_1_20=0, var_1_21=0, var_1_22=50, var_1_23=64, var_1_24=50, var_1_25=511/4, var_1_26=49999999999996/5, var_1_28=-64, var_1_29=8, var_1_31=0, var_1_3=0, var_1_5=-1, var_1_6=6, var_1_7=5] [L20] COND FALSE !(!cond) [L158] RET assume_abort_if_not(var_1_30 >= 0) VAL [isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=32, var_1_11=1, var_1_12=16, var_1_13=128, var_1_15=0, var_1_16=256, var_1_18=-2, var_1_19=50, var_1_1=11/2, var_1_20=0, var_1_21=0, var_1_22=50, var_1_23=64, var_1_24=50, var_1_25=511/4, var_1_26=49999999999996/5, var_1_28=-64, var_1_29=8, var_1_31=0, var_1_3=0, var_1_5=-1, var_1_6=6, var_1_7=5] [L159] CALL assume_abort_if_not(var_1_30 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=32, var_1_11=1, var_1_12=16, var_1_13=128, var_1_15=0, var_1_16=256, var_1_18=-2, var_1_19=50, var_1_1=11/2, var_1_20=0, var_1_21=0, var_1_22=50, var_1_23=64, var_1_24=50, var_1_25=511/4, var_1_26=49999999999996/5, var_1_28=-64, var_1_29=8, var_1_30=0, var_1_31=0, var_1_3=0, var_1_5=-1, var_1_6=6, var_1_7=5] [L20] COND FALSE !(!cond) [L159] RET assume_abort_if_not(var_1_30 <= 127) VAL [isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=32, var_1_11=1, var_1_12=16, var_1_13=128, var_1_15=0, var_1_16=256, var_1_18=-2, var_1_19=50, var_1_1=11/2, var_1_20=0, var_1_21=0, var_1_22=50, var_1_23=64, var_1_24=50, var_1_25=511/4, var_1_26=49999999999996/5, var_1_28=-64, var_1_29=8, var_1_30=0, var_1_31=0, var_1_3=0, var_1_5=-1, var_1_6=6, var_1_7=5] [L160] var_1_31 = __VERIFIER_nondet_uchar() [L161] CALL assume_abort_if_not(var_1_31 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=32, var_1_11=1, var_1_12=16, var_1_13=128, var_1_15=0, var_1_16=256, var_1_18=-2, var_1_19=50, var_1_1=11/2, var_1_20=0, var_1_21=0, var_1_22=50, var_1_23=64, var_1_24=50, var_1_25=511/4, var_1_26=49999999999996/5, var_1_28=-64, var_1_29=8, var_1_30=0, var_1_3=0, var_1_5=-1, var_1_6=6, var_1_7=5] [L20] COND FALSE !(!cond) [L161] RET assume_abort_if_not(var_1_31 >= 0) VAL [isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=32, var_1_11=1, var_1_12=16, var_1_13=128, var_1_15=0, var_1_16=256, var_1_18=-2, var_1_19=50, var_1_1=11/2, var_1_20=0, var_1_21=0, var_1_22=50, var_1_23=64, var_1_24=50, var_1_25=511/4, var_1_26=49999999999996/5, var_1_28=-64, var_1_29=8, var_1_30=0, var_1_3=0, var_1_5=-1, var_1_6=6, var_1_7=5] [L162] CALL assume_abort_if_not(var_1_31 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=32, var_1_11=1, var_1_12=16, var_1_13=128, var_1_15=0, var_1_16=256, var_1_18=-2, var_1_19=50, var_1_1=11/2, var_1_20=0, var_1_21=0, var_1_22=50, var_1_23=64, var_1_24=50, var_1_25=511/4, var_1_26=49999999999996/5, var_1_28=-64, var_1_29=8, var_1_30=0, var_1_31=127, var_1_3=0, var_1_5=-1, var_1_6=6, var_1_7=5] [L20] COND FALSE !(!cond) [L162] RET assume_abort_if_not(var_1_31 <= 127) VAL [isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=32, var_1_11=1, var_1_12=16, var_1_13=128, var_1_15=0, var_1_16=256, var_1_18=-2, var_1_19=50, var_1_1=11/2, var_1_20=0, var_1_21=0, var_1_22=50, var_1_23=64, var_1_24=50, var_1_25=511/4, var_1_26=49999999999996/5, var_1_28=-64, var_1_29=8, var_1_30=0, var_1_31=127, var_1_3=0, var_1_5=-1, var_1_6=6, var_1_7=5] [L178] RET updateVariables() [L179] CALL step() [L55] COND FALSE !(var_1_20 || var_1_21) [L58] var_1_23 = var_1_24 [L59] COND FALSE !(var_1_23 > var_1_19) [L62] COND FALSE !(var_1_22 < ((((var_1_24) < 0 ) ? -(var_1_24) : (var_1_24)))) [L67] var_1_28 = -256 [L68] COND TRUE var_1_28 != -32 [L69] var_1_29 = (var_1_30 + var_1_31) [L73] COND TRUE ((var_1_6 >> 2) * last_1_var_1_13) > last_1_var_1_10 [L74] var_1_12 = var_1_6 [L76] signed long int stepLocal_2 = last_1_var_1_12 + var_1_7; [L77] COND TRUE var_1_6 <= stepLocal_2 [L78] var_1_10 = var_1_11 [L82] EXPR 1 << var_1_10 [L82] COND FALSE !((1 << var_1_10) != (-500 / -100)) [L89] var_1_13 = var_1_6 [L91] var_1_18 = var_1_3 [L92] signed long int stepLocal_4 = (((var_1_11) > ((var_1_12 * -64))) ? (var_1_11) : ((var_1_12 * -64))); [L93] unsigned char stepLocal_3 = var_1_10; [L94] COND TRUE (- var_1_9) <= var_1_8 [L95] COND FALSE !(\read(var_1_15)) [L104] var_1_16 = var_1_3 [L109] signed long int stepLocal_1 = (var_1_10 & 0) * var_1_5; [L110] EXPR var_1_16 >> var_1_3 [L110] signed long int stepLocal_0 = var_1_16 >> var_1_3; [L111] COND FALSE !(stepLocal_0 == (var_1_10 / var_1_5)) [L179] RET step() [L180] CALL, EXPR property() [L170] EXPR var_1_16 >> var_1_3 [L170] EXPR ((var_1_16 >> var_1_3) == (var_1_10 / var_1_5)) ? (((var_1_3 << (var_1_6 - var_1_7)) > ((var_1_10 & 0) * var_1_5)) ? (var_1_1 == ((double) ((((var_1_8) < (var_1_9)) ? (var_1_8) : (var_1_9))))) : (var_1_1 == ((double) var_1_8))) : 1 [L170] EXPR (((((var_1_16 >> var_1_3) == (var_1_10 / var_1_5)) ? (((var_1_3 << (var_1_6 - var_1_7)) > ((var_1_10 & 0) * var_1_5)) ? (var_1_1 == ((double) ((((var_1_8) < (var_1_9)) ? (var_1_8) : (var_1_9))))) : (var_1_1 == ((double) var_1_8))) : 1) && ((var_1_6 <= (last_1_var_1_12 + var_1_7)) ? (var_1_10 == ((unsigned char) var_1_11)) : (var_1_10 == ((unsigned char) (var_1_3 + var_1_7))))) && ((((var_1_6 >> 2) * last_1_var_1_13) > last_1_var_1_10) ? (var_1_12 == ((unsigned short int) var_1_6)) : 1)) && (((1 << var_1_10) != (-500 / -100)) ? (((var_1_6 - var_1_3) >= (var_1_12 + 256)) ? (var_1_13 == ((unsigned long int) var_1_11)) : (var_1_13 == ((unsigned long int) var_1_12))) : (var_1_13 == ((unsigned long int) var_1_6))) [L170] EXPR 1 << var_1_10 [L170] EXPR (((((var_1_16 >> var_1_3) == (var_1_10 / var_1_5)) ? (((var_1_3 << (var_1_6 - var_1_7)) > ((var_1_10 & 0) * var_1_5)) ? (var_1_1 == ((double) ((((var_1_8) < (var_1_9)) ? (var_1_8) : (var_1_9))))) : (var_1_1 == ((double) var_1_8))) : 1) && ((var_1_6 <= (last_1_var_1_12 + var_1_7)) ? (var_1_10 == ((unsigned char) var_1_11)) : (var_1_10 == ((unsigned char) (var_1_3 + var_1_7))))) && ((((var_1_6 >> 2) * last_1_var_1_13) > last_1_var_1_10) ? (var_1_12 == ((unsigned short int) var_1_6)) : 1)) && (((1 << var_1_10) != (-500 / -100)) ? (((var_1_6 - var_1_3) >= (var_1_12 + 256)) ? (var_1_13 == ((unsigned long int) var_1_11)) : (var_1_13 == ((unsigned long int) var_1_12))) : (var_1_13 == ((unsigned long int) var_1_6))) [L170-L171] return (((((((var_1_16 >> var_1_3) == (var_1_10 / var_1_5)) ? (((var_1_3 << (var_1_6 - var_1_7)) > ((var_1_10 & 0) * var_1_5)) ? (var_1_1 == ((double) ((((var_1_8) < (var_1_9)) ? (var_1_8) : (var_1_9))))) : (var_1_1 == ((double) var_1_8))) : 1) && ((var_1_6 <= (last_1_var_1_12 + var_1_7)) ? (var_1_10 == ((unsigned char) var_1_11)) : (var_1_10 == ((unsigned char) (var_1_3 + var_1_7))))) && ((((var_1_6 >> 2) * last_1_var_1_13) > last_1_var_1_10) ? (var_1_12 == ((unsigned short int) var_1_6)) : 1)) && (((1 << var_1_10) != (-500 / -100)) ? (((var_1_6 - var_1_3) >= (var_1_12 + 256)) ? (var_1_13 == ((unsigned long int) var_1_11)) : (var_1_13 == ((unsigned long int) var_1_12))) : (var_1_13 == ((unsigned long int) var_1_6)))) && (((- var_1_9) <= var_1_8) ? (var_1_15 ? ((((((var_1_11) > ((var_1_12 * -64))) ? (var_1_11) : ((var_1_12 * -64)))) < var_1_12) ? ((var_1_13 == var_1_10) ? (var_1_16 == ((unsigned short int) var_1_11)) : 1) : (var_1_16 == ((unsigned short int) 256))) : (var_1_16 == ((unsigned short int) var_1_3))) : (var_1_16 == ((unsigned short int) var_1_10)))) && (var_1_18 == ((signed char) var_1_3)) ; [L180] RET, EXPR property() [L180] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=1, var_1_11=1, var_1_12=6, var_1_13=6, var_1_15=0, var_1_16=0, var_1_18=0, var_1_19=50, var_1_1=11/2, var_1_20=0, var_1_21=0, var_1_22=50, var_1_23=50, var_1_24=50, var_1_25=511/4, var_1_26=49999999999996/5, var_1_27=0, var_1_28=-256, var_1_29=127, var_1_30=0, var_1_31=127, var_1_3=0, var_1_5=-1, var_1_6=6, var_1_7=5, var_1_8=0, var_1_9=0] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=1, var_1_11=1, var_1_12=6, var_1_13=6, var_1_15=0, var_1_16=0, var_1_18=0, var_1_19=50, var_1_1=11/2, var_1_20=0, var_1_21=0, var_1_22=50, var_1_23=50, var_1_24=50, var_1_25=511/4, var_1_26=49999999999996/5, var_1_27=0, var_1_28=-256, var_1_29=127, var_1_30=0, var_1_31=127, var_1_3=0, var_1_5=-1, var_1_6=6, var_1_7=5, var_1_8=0, var_1_9=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 52 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.9s, OverallIterations: 1, TraceHistogramMax: 28, 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=52occurred 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, 0.2s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 103 NumberOfCodeBlocks, 103 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 18:48:24,585 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d9fef46-b870-40c4-b2ff-d372a3583c47/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_3d9fef46-b870-40c4-b2ff-d372a3583c47/bin/utaipan-verify-nQ1chXbOIh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d9fef46-b870-40c4-b2ff-d372a3583c47/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_3d9fef46-b870-40c4-b2ff-d372a3583c47/bin/utaipan-verify-nQ1chXbOIh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d9fef46-b870-40c4-b2ff-d372a3583c47/bin/utaipan-verify-nQ1chXbOIh/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-25_file-9.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d9fef46-b870-40c4-b2ff-d372a3583c47/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_3d9fef46-b870-40c4-b2ff-d372a3583c47/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 e27a7e8208feb4e2a429aaf18357ed884e258fb84f6f2f7be613f0f94968064e --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 18:48:26,567 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 18:48:26,638 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d9fef46-b870-40c4-b2ff-d372a3583c47/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2023-12-02 18:48:26,652 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 18:48:26,652 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-02 18:48:26,679 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 18:48:26,680 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-02 18:48:26,681 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-02 18:48:26,681 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 18:48:26,682 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-02 18:48:26,683 INFO L153 SettingsManager]: * User list type=DISABLED [2023-12-02 18:48:26,683 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-12-02 18:48:26,684 INFO L153 SettingsManager]: * Explicit value domain=true [2023-12-02 18:48:26,684 INFO L153 SettingsManager]: * Octagon Domain=false [2023-12-02 18:48:26,685 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-12-02 18:48:26,685 INFO L153 SettingsManager]: * Interval Domain=false [2023-12-02 18:48:26,686 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 18:48:26,686 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 18:48:26,687 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 18:48:26,687 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 18:48:26,688 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 18:48:26,692 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 18:48:26,693 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 18:48:26,693 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 18:48:26,693 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-02 18:48:26,694 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-02 18:48:26,694 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-02 18:48:26,694 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 18:48:26,695 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 18:48:26,695 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 18:48:26,696 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 18:48:26,696 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-02 18:48:26,696 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-02 18:48:26,696 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-02 18:48:26,697 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 18:48:26,697 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 18:48:26,697 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 18:48:26,697 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 18:48:26,698 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-02 18:48:26,698 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 18:48:26,698 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-02 18:48:26,698 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 18:48:26,699 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-12-02 18:48:26,699 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 18:48:26,699 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_3d9fef46-b870-40c4-b2ff-d372a3583c47/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d9fef46-b870-40c4-b2ff-d372a3583c47/bin/utaipan-verify-nQ1chXbOIh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e27a7e8208feb4e2a429aaf18357ed884e258fb84f6f2f7be613f0f94968064e [2023-12-02 18:48:26,969 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 18:48:26,989 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 18:48:26,991 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 18:48:26,993 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 18:48:26,993 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 18:48:26,994 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d9fef46-b870-40c4-b2ff-d372a3583c47/bin/utaipan-verify-nQ1chXbOIh/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-25_file-9.i [2023-12-02 18:48:29,768 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 18:48:29,984 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 18:48:29,985 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d9fef46-b870-40c4-b2ff-d372a3583c47/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-25_file-9.i [2023-12-02 18:48:29,995 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d9fef46-b870-40c4-b2ff-d372a3583c47/bin/utaipan-verify-nQ1chXbOIh/data/9dd82d236/61ff0437eff2465ab31ba0589e3b66d8/FLAGf72b5654e [2023-12-02 18:48:30,007 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d9fef46-b870-40c4-b2ff-d372a3583c47/bin/utaipan-verify-nQ1chXbOIh/data/9dd82d236/61ff0437eff2465ab31ba0589e3b66d8 [2023-12-02 18:48:30,009 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 18:48:30,010 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 18:48:30,011 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 18:48:30,011 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 18:48:30,015 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 18:48:30,016 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 06:48:30" (1/1) ... [2023-12-02 18:48:30,017 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@718aae4d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:48:30, skipping insertion in model container [2023-12-02 18:48:30,017 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 06:48:30" (1/1) ... [2023-12-02 18:48:30,047 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 18:48:30,171 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_3d9fef46-b870-40c4-b2ff-d372a3583c47/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-25_file-9.i[914,927] [2023-12-02 18:48:30,228 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 18:48:30,243 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 18:48:30,262 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_3d9fef46-b870-40c4-b2ff-d372a3583c47/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-25_file-9.i[914,927] [2023-12-02 18:48:30,296 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 18:48:30,325 INFO L206 MainTranslator]: Completed translation [2023-12-02 18:48:30,326 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:48:30 WrapperNode [2023-12-02 18:48:30,326 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 18:48:30,327 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 18:48:30,328 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 18:48:30,328 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 18:48:30,336 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:48:30" (1/1) ... [2023-12-02 18:48:30,350 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:48:30" (1/1) ... [2023-12-02 18:48:30,379 INFO L138 Inliner]: procedures = 27, calls = 41, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 180 [2023-12-02 18:48:30,379 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 18:48:30,380 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 18:48:30,380 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 18:48:30,381 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 18:48:30,390 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:48:30" (1/1) ... [2023-12-02 18:48:30,390 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:48:30" (1/1) ... [2023-12-02 18:48:30,395 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:48:30" (1/1) ... [2023-12-02 18:48:30,396 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:48:30" (1/1) ... [2023-12-02 18:48:30,408 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:48:30" (1/1) ... [2023-12-02 18:48:30,412 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:48:30" (1/1) ... [2023-12-02 18:48:30,416 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:48:30" (1/1) ... [2023-12-02 18:48:30,419 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:48:30" (1/1) ... [2023-12-02 18:48:30,424 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 18:48:30,425 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 18:48:30,425 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 18:48:30,425 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 18:48:30,426 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:48:30" (1/1) ... [2023-12-02 18:48:30,436 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 18:48:30,449 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d9fef46-b870-40c4-b2ff-d372a3583c47/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 18:48:30,460 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d9fef46-b870-40c4-b2ff-d372a3583c47/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-12-02 18:48:30,476 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d9fef46-b870-40c4-b2ff-d372a3583c47/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-12-02 18:48:30,498 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 18:48:30,498 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-02 18:48:30,498 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-02 18:48:30,499 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-02 18:48:30,499 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 18:48:30,499 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 18:48:30,580 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 18:48:30,582 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 18:48:31,081 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 18:48:31,125 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 18:48:31,125 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-02 18:48:31,125 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 06:48:31 BoogieIcfgContainer [2023-12-02 18:48:31,126 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 18:48:31,128 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-02 18:48:31,128 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-02 18:48:31,132 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-02 18:48:31,132 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 06:48:30" (1/3) ... [2023-12-02 18:48:31,133 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@291dff88 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 06:48:31, skipping insertion in model container [2023-12-02 18:48:31,133 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:48:30" (2/3) ... [2023-12-02 18:48:31,133 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@291dff88 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 06:48:31, skipping insertion in model container [2023-12-02 18:48:31,133 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 06:48:31" (3/3) ... [2023-12-02 18:48:31,134 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodesize_ps-cn-25_file-9.i [2023-12-02 18:48:31,154 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-02 18:48:31,154 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-02 18:48:31,203 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-02 18:48:31,209 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;@423ff45f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-02 18:48:31,209 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-02 18:48:31,213 INFO L276 IsEmpty]: Start isEmpty. Operand has 76 states, 45 states have (on average 1.4444444444444444) internal successors, (65), 46 states have internal predecessors, (65), 28 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28) [2023-12-02 18:48:31,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2023-12-02 18:48:31,229 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 18:48:31,230 INFO L195 NwaCegarLoop]: trace histogram [28, 28, 28, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:48:31,230 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 18:48:31,234 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 18:48:31,234 INFO L85 PathProgramCache]: Analyzing trace with hash -778148428, now seen corresponding path program 1 times [2023-12-02 18:48:31,247 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 18:48:31,247 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1051780470] [2023-12-02 18:48:31,247 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 18:48:31,248 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 18:48:31,248 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d9fef46-b870-40c4-b2ff-d372a3583c47/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 18:48:31,276 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d9fef46-b870-40c4-b2ff-d372a3583c47/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 18:48:31,278 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d9fef46-b870-40c4-b2ff-d372a3583c47/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 18:48:31,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 18:48:31,547 INFO L262 TraceCheckSpWp]: Trace formula consists of 286 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 18:48:31,560 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 18:48:31,610 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 758 proven. 0 refuted. 0 times theorem prover too weak. 754 trivial. 0 not checked. [2023-12-02 18:48:31,611 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 18:48:31,611 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 18:48:31,612 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1051780470] [2023-12-02 18:48:31,612 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1051780470] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 18:48:31,612 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 18:48:31,613 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-02 18:48:31,614 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1008040087] [2023-12-02 18:48:31,615 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 18:48:31,619 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-12-02 18:48:31,619 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 18:48:31,644 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-12-02 18:48:31,645 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-02 18:48:31,647 INFO L87 Difference]: Start difference. First operand has 76 states, 45 states have (on average 1.4444444444444444) internal successors, (65), 46 states have internal predecessors, (65), 28 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28) Second operand has 2 states, 2 states have (on average 20.5) internal successors, (41), 2 states have internal predecessors, (41), 2 states have call successors, (28), 2 states have call predecessors, (28), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2023-12-02 18:48:31,743 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 18:48:31,743 INFO L93 Difference]: Finished difference Result 149 states and 268 transitions. [2023-12-02 18:48:31,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 18:48:31,751 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 20.5) internal successors, (41), 2 states have internal predecessors, (41), 2 states have call successors, (28), 2 states have call predecessors, (28), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) Word has length 174 [2023-12-02 18:48:31,751 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 18:48:31,758 INFO L225 Difference]: With dead ends: 149 [2023-12-02 18:48:31,758 INFO L226 Difference]: Without dead ends: 74 [2023-12-02 18:48:31,761 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 173 GetRequests, 173 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 18:48:31,765 INFO L413 NwaCegarLoop]: 112 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 112 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-02 18:48:31,766 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 112 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-02 18:48:31,778 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states. [2023-12-02 18:48:31,805 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 74. [2023-12-02 18:48:31,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 74 states, 44 states have (on average 1.3409090909090908) internal successors, (59), 44 states have internal predecessors, (59), 28 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28) [2023-12-02 18:48:31,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 115 transitions. [2023-12-02 18:48:31,811 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 115 transitions. Word has length 174 [2023-12-02 18:48:31,811 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 18:48:31,812 INFO L495 AbstractCegarLoop]: Abstraction has 74 states and 115 transitions. [2023-12-02 18:48:31,812 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 20.5) internal successors, (41), 2 states have internal predecessors, (41), 2 states have call successors, (28), 2 states have call predecessors, (28), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2023-12-02 18:48:31,812 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 115 transitions. [2023-12-02 18:48:31,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2023-12-02 18:48:31,817 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 18:48:31,817 INFO L195 NwaCegarLoop]: trace histogram [28, 28, 28, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:48:31,825 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d9fef46-b870-40c4-b2ff-d372a3583c47/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 18:48:32,020 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d9fef46-b870-40c4-b2ff-d372a3583c47/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 18:48:32,021 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 18:48:32,021 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 18:48:32,021 INFO L85 PathProgramCache]: Analyzing trace with hash 969304598, now seen corresponding path program 1 times [2023-12-02 18:48:32,022 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 18:48:32,023 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1930847525] [2023-12-02 18:48:32,023 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 18:48:32,023 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 18:48:32,023 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d9fef46-b870-40c4-b2ff-d372a3583c47/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 18:48:32,025 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d9fef46-b870-40c4-b2ff-d372a3583c47/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 18:48:32,026 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d9fef46-b870-40c4-b2ff-d372a3583c47/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 18:48:32,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 18:48:32,267 INFO L262 TraceCheckSpWp]: Trace formula consists of 288 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-02 18:48:32,277 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 18:48:34,515 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 501 proven. 126 refuted. 0 times theorem prover too weak. 885 trivial. 0 not checked. [2023-12-02 18:48:34,516 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 18:48:36,436 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 18:48:36,436 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1930847525] [2023-12-02 18:48:36,436 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1930847525] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 18:48:36,436 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1225733124] [2023-12-02 18:48:36,437 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 18:48:36,437 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 18:48:36,437 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d9fef46-b870-40c4-b2ff-d372a3583c47/bin/utaipan-verify-nQ1chXbOIh/cvc4 [2023-12-02 18:48:36,438 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d9fef46-b870-40c4-b2ff-d372a3583c47/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 18:48:36,445 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d9fef46-b870-40c4-b2ff-d372a3583c47/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-12-02 18:48:37,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 18:48:37,194 INFO L262 TraceCheckSpWp]: Trace formula consists of 288 conjuncts, 9 conjunts are in the unsatisfiable core [2023-12-02 18:48:37,201 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 18:48:38,377 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 477 proven. 66 refuted. 0 times theorem prover too weak. 969 trivial. 0 not checked. [2023-12-02 18:48:38,377 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 18:48:39,368 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1225733124] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 18:48:39,368 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [213349276] [2023-12-02 18:48:39,369 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 18:48:39,369 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 18:48:39,369 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d9fef46-b870-40c4-b2ff-d372a3583c47/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 18:48:39,370 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d9fef46-b870-40c4-b2ff-d372a3583c47/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 18:48:39,371 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d9fef46-b870-40c4-b2ff-d372a3583c47/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-12-02 18:48:39,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 18:48:39,525 INFO L262 TraceCheckSpWp]: Trace formula consists of 288 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-02 18:48:39,531 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 18:48:40,828 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 501 proven. 126 refuted. 0 times theorem prover too weak. 885 trivial. 0 not checked. [2023-12-02 18:48:40,828 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 18:48:41,806 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [213349276] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 18:48:41,806 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-12-02 18:48:41,807 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 6, 9] total 9 [2023-12-02 18:48:41,807 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [223764721] [2023-12-02 18:48:41,808 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-12-02 18:48:41,809 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-12-02 18:48:41,810 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 18:48:41,811 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-12-02 18:48:41,811 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=83, Invalid=157, Unknown=0, NotChecked=0, Total=240 [2023-12-02 18:48:41,812 INFO L87 Difference]: Start difference. First operand 74 states and 115 transitions. Second operand has 10 states, 10 states have (on average 7.0) internal successors, (70), 9 states have internal predecessors, (70), 3 states have call successors, (49), 3 states have call predecessors, (49), 5 states have return successors, (50), 3 states have call predecessors, (50), 3 states have call successors, (50) [2023-12-02 18:48:42,836 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 18:48:42,837 INFO L93 Difference]: Finished difference Result 231 states and 352 transitions. [2023-12-02 18:48:42,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-12-02 18:48:42,843 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 7.0) internal successors, (70), 9 states have internal predecessors, (70), 3 states have call successors, (49), 3 states have call predecessors, (49), 5 states have return successors, (50), 3 states have call predecessors, (50), 3 states have call successors, (50) Word has length 175 [2023-12-02 18:48:42,844 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 18:48:42,847 INFO L225 Difference]: With dead ends: 231 [2023-12-02 18:48:42,847 INFO L226 Difference]: Without dead ends: 158 [2023-12-02 18:48:42,848 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 958 GetRequests, 934 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 129 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=236, Invalid=414, Unknown=0, NotChecked=0, Total=650 [2023-12-02 18:48:42,850 INFO L413 NwaCegarLoop]: 76 mSDtfsCounter, 77 mSDsluCounter, 547 mSDsCounter, 0 mSdLazyCounter, 292 mSolverCounterSat, 88 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 77 SdHoareTripleChecker+Valid, 623 SdHoareTripleChecker+Invalid, 380 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 88 IncrementalHoareTripleChecker+Valid, 292 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2023-12-02 18:48:42,850 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [77 Valid, 623 Invalid, 380 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [88 Valid, 292 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2023-12-02 18:48:42,851 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 158 states. [2023-12-02 18:48:42,884 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 158 to 138. [2023-12-02 18:48:42,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 138 states, 77 states have (on average 1.2597402597402598) internal successors, (97), 77 states have internal predecessors, (97), 56 states have call successors, (56), 4 states have call predecessors, (56), 4 states have return successors, (56), 56 states have call predecessors, (56), 56 states have call successors, (56) [2023-12-02 18:48:42,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 138 states and 209 transitions. [2023-12-02 18:48:42,888 INFO L78 Accepts]: Start accepts. Automaton has 138 states and 209 transitions. Word has length 175 [2023-12-02 18:48:42,889 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 18:48:42,890 INFO L495 AbstractCegarLoop]: Abstraction has 138 states and 209 transitions. [2023-12-02 18:48:42,890 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 7.0) internal successors, (70), 9 states have internal predecessors, (70), 3 states have call successors, (49), 3 states have call predecessors, (49), 5 states have return successors, (50), 3 states have call predecessors, (50), 3 states have call successors, (50) [2023-12-02 18:48:42,890 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 209 transitions. [2023-12-02 18:48:42,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2023-12-02 18:48:42,894 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 18:48:42,894 INFO L195 NwaCegarLoop]: trace histogram [28, 28, 28, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:48:42,901 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d9fef46-b870-40c4-b2ff-d372a3583c47/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2023-12-02 18:48:43,106 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d9fef46-b870-40c4-b2ff-d372a3583c47/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 18:48:43,308 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d9fef46-b870-40c4-b2ff-d372a3583c47/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2023-12-02 18:48:43,500 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d9fef46-b870-40c4-b2ff-d372a3583c47/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d9fef46-b870-40c4-b2ff-d372a3583c47/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 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d9fef46-b870-40c4-b2ff-d372a3583c47/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 18:48:43,501 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 18:48:43,502 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 18:48:43,502 INFO L85 PathProgramCache]: Analyzing trace with hash 711139160, now seen corresponding path program 1 times [2023-12-02 18:48:43,503 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 18:48:43,503 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1244437100] [2023-12-02 18:48:43,503 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 18:48:43,504 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 18:48:43,504 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d9fef46-b870-40c4-b2ff-d372a3583c47/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 18:48:43,505 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d9fef46-b870-40c4-b2ff-d372a3583c47/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 18:48:43,506 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d9fef46-b870-40c4-b2ff-d372a3583c47/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 18:48:43,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 18:48:43,700 INFO L262 TraceCheckSpWp]: Trace formula consists of 289 conjuncts, 29 conjunts are in the unsatisfiable core [2023-12-02 18:48:43,707 INFO L285 TraceCheckSpWp]: Computing forward predicates...