./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-44.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b082e23-1b0a-45ea-9f41-290528c3a744/bin/utaipan-verify-nQ1chXbOIh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b082e23-1b0a-45ea-9f41-290528c3a744/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_6b082e23-1b0a-45ea-9f41-290528c3a744/bin/utaipan-verify-nQ1chXbOIh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b082e23-1b0a-45ea-9f41-290528c3a744/bin/utaipan-verify-nQ1chXbOIh/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-44.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b082e23-1b0a-45ea-9f41-290528c3a744/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_6b082e23-1b0a-45ea-9f41-290528c3a744/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 eaa60ed61738bb84f21e0e7461cdcc453d531566de1a87a0cbf8ab788e5233b0 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 13:05:16,285 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 13:05:16,351 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b082e23-1b0a-45ea-9f41-290528c3a744/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-12-02 13:05:16,356 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 13:05:16,357 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-02 13:05:16,383 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 13:05:16,383 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-02 13:05:16,384 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-02 13:05:16,385 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 13:05:16,385 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-02 13:05:16,386 INFO L153 SettingsManager]: * User list type=DISABLED [2023-12-02 13:05:16,386 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-12-02 13:05:16,387 INFO L153 SettingsManager]: * Explicit value domain=true [2023-12-02 13:05:16,387 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-12-02 13:05:16,388 INFO L153 SettingsManager]: * Octagon Domain=false [2023-12-02 13:05:16,388 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-12-02 13:05:16,389 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-12-02 13:05:16,389 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-12-02 13:05:16,390 INFO L153 SettingsManager]: * Interval Domain=false [2023-12-02 13:05:16,390 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-12-02 13:05:16,391 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-12-02 13:05:16,392 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-12-02 13:05:16,393 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 13:05:16,394 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 13:05:16,394 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 13:05:16,395 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 13:05:16,395 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 13:05:16,395 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 13:05:16,396 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 13:05:16,396 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 13:05:16,397 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 13:05:16,397 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 13:05:16,397 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 13:05:16,398 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 13:05:16,398 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 13:05:16,399 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-02 13:05:16,399 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-02 13:05:16,400 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 13:05:16,400 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 13:05:16,401 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 13:05:16,401 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 13:05:16,402 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-12-02 13:05:16,402 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 13:05:16,402 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-02 13:05:16,403 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 13:05:16,403 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-12-02 13:05:16,403 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 13:05:16,404 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_6b082e23-1b0a-45ea-9f41-290528c3a744/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b082e23-1b0a-45ea-9f41-290528c3a744/bin/utaipan-verify-nQ1chXbOIh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> eaa60ed61738bb84f21e0e7461cdcc453d531566de1a87a0cbf8ab788e5233b0 [2023-12-02 13:05:16,623 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 13:05:16,644 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 13:05:16,647 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 13:05:16,648 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 13:05:16,649 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 13:05:16,650 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b082e23-1b0a-45ea-9f41-290528c3a744/bin/utaipan-verify-nQ1chXbOIh/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-44.i [2023-12-02 13:05:19,382 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 13:05:19,554 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 13:05:19,554 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b082e23-1b0a-45ea-9f41-290528c3a744/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-44.i [2023-12-02 13:05:19,561 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b082e23-1b0a-45ea-9f41-290528c3a744/bin/utaipan-verify-nQ1chXbOIh/data/beeb3d865/18442b29e45c44828915973af5ddbf89/FLAGe3b391107 [2023-12-02 13:05:19,573 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b082e23-1b0a-45ea-9f41-290528c3a744/bin/utaipan-verify-nQ1chXbOIh/data/beeb3d865/18442b29e45c44828915973af5ddbf89 [2023-12-02 13:05:19,575 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 13:05:19,576 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 13:05:19,577 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 13:05:19,577 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 13:05:19,583 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 13:05:19,583 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 01:05:19" (1/1) ... [2023-12-02 13:05:19,585 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@55799cb2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:05:19, skipping insertion in model container [2023-12-02 13:05:19,585 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 01:05:19" (1/1) ... [2023-12-02 13:05:19,615 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 13:05:19,737 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_6b082e23-1b0a-45ea-9f41-290528c3a744/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-44.i[916,929] [2023-12-02 13:05:19,793 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 13:05:19,803 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 13:05:19,812 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_6b082e23-1b0a-45ea-9f41-290528c3a744/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-44.i[916,929] [2023-12-02 13:05:19,847 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 13:05:19,867 INFO L206 MainTranslator]: Completed translation [2023-12-02 13:05:19,867 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:05:19 WrapperNode [2023-12-02 13:05:19,867 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 13:05:19,868 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 13:05:19,869 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 13:05:19,869 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 13:05:19,877 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:05:19" (1/1) ... [2023-12-02 13:05:19,893 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:05:19" (1/1) ... [2023-12-02 13:05:19,927 INFO L138 Inliner]: procedures = 29, calls = 169, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 441 [2023-12-02 13:05:19,927 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 13:05:19,928 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 13:05:19,928 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 13:05:19,928 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 13:05:19,937 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:05:19" (1/1) ... [2023-12-02 13:05:19,937 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:05:19" (1/1) ... [2023-12-02 13:05:19,945 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:05:19" (1/1) ... [2023-12-02 13:05:19,945 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:05:19" (1/1) ... [2023-12-02 13:05:19,970 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:05:19" (1/1) ... [2023-12-02 13:05:19,976 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:05:19" (1/1) ... [2023-12-02 13:05:19,979 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:05:19" (1/1) ... [2023-12-02 13:05:19,983 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:05:19" (1/1) ... [2023-12-02 13:05:19,989 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 13:05:19,990 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 13:05:19,991 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 13:05:19,991 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 13:05:19,992 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:05:19" (1/1) ... [2023-12-02 13:05:19,998 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 13:05:20,011 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b082e23-1b0a-45ea-9f41-290528c3a744/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 13:05:20,029 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b082e23-1b0a-45ea-9f41-290528c3a744/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-12-02 13:05:20,032 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b082e23-1b0a-45ea-9f41-290528c3a744/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-12-02 13:05:20,065 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 13:05:20,065 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2023-12-02 13:05:20,066 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-12-02 13:05:20,066 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2023-12-02 13:05:20,066 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-12-02 13:05:20,066 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2023-12-02 13:05:20,066 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-02 13:05:20,066 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-02 13:05:20,067 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 13:05:20,067 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 13:05:20,067 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 13:05:20,180 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 13:05:20,182 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 13:05:20,642 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 13:05:21,164 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 13:05:21,164 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-02 13:05:21,166 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 01:05:21 BoogieIcfgContainer [2023-12-02 13:05:21,166 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 13:05:21,168 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-02 13:05:21,169 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-02 13:05:21,172 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-02 13:05:21,172 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 01:05:19" (1/3) ... [2023-12-02 13:05:21,173 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@296fbf49 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 01:05:21, skipping insertion in model container [2023-12-02 13:05:21,173 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:05:19" (2/3) ... [2023-12-02 13:05:21,174 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@296fbf49 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 01:05:21, skipping insertion in model container [2023-12-02 13:05:21,174 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 01:05:21" (3/3) ... [2023-12-02 13:05:21,175 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-a_file-44.i [2023-12-02 13:05:21,195 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-02 13:05:21,195 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-02 13:05:21,250 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-02 13:05:21,257 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;@6f4231a6, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-02 13:05:21,257 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-02 13:05:21,261 INFO L276 IsEmpty]: Start isEmpty. Operand has 51 states, 27 states have (on average 1.1111111111111112) internal successors, (30), 28 states have internal predecessors, (30), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2023-12-02 13:05:21,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2023-12-02 13:05:21,273 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 13:05:21,274 INFO L195 NwaCegarLoop]: trace histogram [21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 13:05:21,274 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 13:05:21,279 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 13:05:21,280 INFO L85 PathProgramCache]: Analyzing trace with hash -2049792312, now seen corresponding path program 1 times [2023-12-02 13:05:21,290 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 13:05:21,290 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [885851470] [2023-12-02 13:05:21,291 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:05:21,291 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 13:05:21,519 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-02 13:05:21,520 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [872499857] [2023-12-02 13:05:21,520 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:05:21,520 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 13:05:21,520 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b082e23-1b0a-45ea-9f41-290528c3a744/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 13:05:21,525 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b082e23-1b0a-45ea-9f41-290528c3a744/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 13:05:21,532 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b082e23-1b0a-45ea-9f41-290528c3a744/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-12-02 13:05:22,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 13:05:22,648 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 13:05:23,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 13:05:23,398 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-12-02 13:05:23,400 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-12-02 13:05:23,402 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-02 13:05:23,421 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b082e23-1b0a-45ea-9f41-290528c3a744/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-12-02 13:05:23,604 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b082e23-1b0a-45ea-9f41-290528c3a744/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-12-02 13:05:23,609 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-12-02 13:05:23,613 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-12-02 13:05:23,667 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem42 could not be translated [2023-12-02 13:05:23,670 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem42 could not be translated [2023-12-02 13:05:23,670 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem43 could not be translated [2023-12-02 13:05:23,671 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem43 could not be translated [2023-12-02 13:05:23,671 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem45 could not be translated [2023-12-02 13:05:23,672 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem45 could not be translated [2023-12-02 13:05:23,672 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem46 could not be translated [2023-12-02 13:05:23,673 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem46 could not be translated [2023-12-02 13:05:23,674 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem48 could not be translated [2023-12-02 13:05:23,674 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem48 could not be translated [2023-12-02 13:05:23,675 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem49 could not be translated [2023-12-02 13:05:23,676 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem49 could not be translated [2023-12-02 13:05:23,676 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem51 could not be translated [2023-12-02 13:05:23,677 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem51 could not be translated [2023-12-02 13:05:23,677 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem52 could not be translated [2023-12-02 13:05:23,678 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem52 could not be translated [2023-12-02 13:05:23,679 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short56 could not be translated [2023-12-02 13:05:23,679 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short59 could not be translated [2023-12-02 13:05:23,679 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem57 could not be translated [2023-12-02 13:05:23,679 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem55 could not be translated [2023-12-02 13:05:23,680 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short60 could not be translated [2023-12-02 13:05:23,680 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem58 could not be translated [2023-12-02 13:05:23,680 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem54 could not be translated [2023-12-02 13:05:23,681 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short56 could not be translated [2023-12-02 13:05:23,681 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem58 could not be translated [2023-12-02 13:05:23,681 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem55 could not be translated [2023-12-02 13:05:23,682 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem57 could not be translated [2023-12-02 13:05:23,682 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short59 could not be translated [2023-12-02 13:05:23,682 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short60 could not be translated [2023-12-02 13:05:23,682 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem54 could not be translated [2023-12-02 13:05:23,683 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short67 could not be translated [2023-12-02 13:05:23,683 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short68 could not be translated [2023-12-02 13:05:23,684 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem66 could not be translated [2023-12-02 13:05:23,684 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem62 could not be translated [2023-12-02 13:05:23,684 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem65 could not be translated [2023-12-02 13:05:23,684 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem63 could not be translated [2023-12-02 13:05:23,685 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short64 could not be translated [2023-12-02 13:05:23,685 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short68 could not be translated [2023-12-02 13:05:23,686 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short67 could not be translated [2023-12-02 13:05:23,686 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem62 could not be translated [2023-12-02 13:05:23,686 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short64 could not be translated [2023-12-02 13:05:23,687 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem63 could not be translated [2023-12-02 13:05:23,687 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem65 could not be translated [2023-12-02 13:05:23,687 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem66 could not be translated [2023-12-02 13:05:23,688 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem70 could not be translated [2023-12-02 13:05:23,688 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem70 could not be translated [2023-12-02 13:05:23,689 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem71 could not be translated [2023-12-02 13:05:23,690 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem71 could not be translated [2023-12-02 13:05:23,690 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem73 could not be translated [2023-12-02 13:05:23,691 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem73 could not be translated [2023-12-02 13:05:23,691 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem74 could not be translated [2023-12-02 13:05:23,692 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem74 could not be translated [2023-12-02 13:05:23,692 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem76 could not be translated [2023-12-02 13:05:23,693 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem76 could not be translated [2023-12-02 13:05:23,693 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem77 could not be translated [2023-12-02 13:05:23,694 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem77 could not be translated [2023-12-02 13:05:23,694 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem79 could not be translated [2023-12-02 13:05:23,695 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem79 could not be translated [2023-12-02 13:05:23,696 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem80 could not be translated [2023-12-02 13:05:23,696 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem80 could not be translated [2023-12-02 13:05:23,697 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem82 could not be translated [2023-12-02 13:05:23,697 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem82 could not be translated [2023-12-02 13:05:23,698 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem83 could not be translated [2023-12-02 13:05:23,698 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem83 could not be translated [2023-12-02 13:05:23,699 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem84 could not be translated [2023-12-02 13:05:23,699 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem84 could not be translated [2023-12-02 13:05:23,725 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 01:05:23 BoogieIcfgContainer [2023-12-02 13:05:23,725 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-02 13:05:23,726 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-02 13:05:23,726 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-02 13:05:23,726 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-02 13:05:23,726 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 01:05:21" (3/4) ... [2023-12-02 13:05:23,728 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-02 13:05:23,729 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-02 13:05:23,731 INFO L158 Benchmark]: Toolchain (without parser) took 4154.53ms. Allocated memory was 165.7MB in the beginning and 207.6MB in the end (delta: 41.9MB). Free memory was 128.5MB in the beginning and 132.9MB in the end (delta: -4.4MB). Peak memory consumption was 40.7MB. Max. memory is 16.1GB. [2023-12-02 13:05:23,731 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 102.8MB. Free memory is still 52.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 13:05:23,732 INFO L158 Benchmark]: CACSL2BoogieTranslator took 290.36ms. Allocated memory is still 165.7MB. Free memory was 128.5MB in the beginning and 113.2MB in the end (delta: 15.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-12-02 13:05:23,733 INFO L158 Benchmark]: Boogie Procedure Inliner took 58.81ms. Allocated memory is still 165.7MB. Free memory was 113.2MB in the beginning and 109.2MB in the end (delta: 4.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-12-02 13:05:23,733 INFO L158 Benchmark]: Boogie Preprocessor took 61.86ms. Allocated memory is still 165.7MB. Free memory was 109.2MB in the beginning and 105.8MB in the end (delta: 3.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 13:05:23,734 INFO L158 Benchmark]: RCFGBuilder took 1175.80ms. Allocated memory is still 165.7MB. Free memory was 105.8MB in the beginning and 102.3MB in the end (delta: 3.5MB). Peak memory consumption was 51.4MB. Max. memory is 16.1GB. [2023-12-02 13:05:23,735 INFO L158 Benchmark]: TraceAbstraction took 2556.59ms. Allocated memory was 165.7MB in the beginning and 207.6MB in the end (delta: 41.9MB). Free memory was 101.2MB in the beginning and 133.9MB in the end (delta: -32.7MB). Peak memory consumption was 8.2MB. Max. memory is 16.1GB. [2023-12-02 13:05:23,735 INFO L158 Benchmark]: Witness Printer took 4.08ms. Allocated memory is still 207.6MB. Free memory was 133.9MB in the beginning and 132.9MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 13:05:23,739 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 102.8MB. Free memory is still 52.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 290.36ms. Allocated memory is still 165.7MB. Free memory was 128.5MB in the beginning and 113.2MB in the end (delta: 15.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 58.81ms. Allocated memory is still 165.7MB. Free memory was 113.2MB in the beginning and 109.2MB in the end (delta: 4.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 61.86ms. Allocated memory is still 165.7MB. Free memory was 109.2MB in the beginning and 105.8MB in the end (delta: 3.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1175.80ms. Allocated memory is still 165.7MB. Free memory was 105.8MB in the beginning and 102.3MB in the end (delta: 3.5MB). Peak memory consumption was 51.4MB. Max. memory is 16.1GB. * TraceAbstraction took 2556.59ms. Allocated memory was 165.7MB in the beginning and 207.6MB in the end (delta: 41.9MB). Free memory was 101.2MB in the beginning and 133.9MB in the end (delta: -32.7MB). Peak memory consumption was 8.2MB. Max. memory is 16.1GB. * Witness Printer took 4.08ms. Allocated memory is still 207.6MB. Free memory was 133.9MB in the beginning and 132.9MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem42 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem42 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem43 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem43 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem45 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem45 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem46 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem46 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem48 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem48 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem49 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem49 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem51 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem51 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem52 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem52 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short56 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short59 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem57 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem55 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short60 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem58 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem54 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short56 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem58 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem55 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem57 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short59 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short60 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem54 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short67 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short68 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem66 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem62 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem65 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem63 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short64 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short68 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short67 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem62 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short64 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem63 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem65 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem66 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem70 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem70 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem71 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem71 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem73 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem73 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem74 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem74 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem76 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem76 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem77 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem77 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem79 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem79 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem80 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem80 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem82 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem82 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem83 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem83 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem84 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem84 could not be translated - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 53, overapproximation of someBinaryFLOATComparisonOperation at line 53, overapproximation of someUnaryFLOAToperation at line 53. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22-L24] unsigned char BOOL_unsigned_char_Array_0[2][3] = { {0, 1, 0}, {0, 0, 0} }; [L25-L27] double double_Array_0[1] = { 10.5 }; [L28-L30] float float_Array_0[2] = { 50.75, 32.6 }; [L31-L33] signed char signed_char_Array_0[2][2] = { {50, -64}, {-1, -25} }; [L34-L36] signed long int signed_long_int_Array_0[1] = { 32 }; [L37-L39] unsigned char unsigned_char_Array_0[1] = { 1 }; [L109] isInitial = 1 [L110] FCALL initially() [L111] COND TRUE 1 [L112] FCALL updateLastVariables() [L113] CALL updateVariables() [L69] BOOL_unsigned_char_Array_0[1][0] = __VERIFIER_nondet_uchar() [L70] EXPR BOOL_unsigned_char_Array_0[1][0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_char_Array_0={9:0}] [L70] CALL assume_abort_if_not(BOOL_unsigned_char_Array_0[1][0] >= 1) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_char_Array_0={9:0}] [L20] COND FALSE !(!cond) [L70] RET assume_abort_if_not(BOOL_unsigned_char_Array_0[1][0] >= 1) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_char_Array_0={9:0}] [L71] EXPR BOOL_unsigned_char_Array_0[1][0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_char_Array_0={9:0}] [L71] CALL assume_abort_if_not(BOOL_unsigned_char_Array_0[1][0] <= 1) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_char_Array_0={9:0}] [L20] COND FALSE !(!cond) [L71] RET assume_abort_if_not(BOOL_unsigned_char_Array_0[1][0] <= 1) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_char_Array_0={9:0}] [L72] BOOL_unsigned_char_Array_0[1][1] = __VERIFIER_nondet_uchar() [L73] EXPR BOOL_unsigned_char_Array_0[1][1] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_char_Array_0={9:0}] [L73] CALL assume_abort_if_not(BOOL_unsigned_char_Array_0[1][1] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_char_Array_0={9:0}] [L20] COND FALSE !(!cond) [L73] RET assume_abort_if_not(BOOL_unsigned_char_Array_0[1][1] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_char_Array_0={9:0}] [L74] EXPR BOOL_unsigned_char_Array_0[1][1] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_char_Array_0={9:0}] [L74] CALL assume_abort_if_not(BOOL_unsigned_char_Array_0[1][1] <= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_char_Array_0={9:0}] [L20] COND FALSE !(!cond) [L74] RET assume_abort_if_not(BOOL_unsigned_char_Array_0[1][1] <= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_char_Array_0={9:0}] [L75] BOOL_unsigned_char_Array_0[0][2] = __VERIFIER_nondet_uchar() [L76] EXPR BOOL_unsigned_char_Array_0[0][2] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_char_Array_0={9:0}] [L76] CALL assume_abort_if_not(BOOL_unsigned_char_Array_0[0][2] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_char_Array_0={9:0}] [L20] COND FALSE !(!cond) [L76] RET assume_abort_if_not(BOOL_unsigned_char_Array_0[0][2] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_char_Array_0={9:0}] [L77] EXPR BOOL_unsigned_char_Array_0[0][2] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_char_Array_0={9:0}] [L77] CALL assume_abort_if_not(BOOL_unsigned_char_Array_0[0][2] <= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_char_Array_0={9:0}] [L20] COND FALSE !(!cond) [L77] RET assume_abort_if_not(BOOL_unsigned_char_Array_0[0][2] <= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_char_Array_0={9:0}] [L78] BOOL_unsigned_char_Array_0[1][2] = __VERIFIER_nondet_uchar() [L79] EXPR BOOL_unsigned_char_Array_0[1][2] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_char_Array_0={9:0}] [L79] CALL assume_abort_if_not(BOOL_unsigned_char_Array_0[1][2] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_char_Array_0={9:0}] [L20] COND FALSE !(!cond) [L79] RET assume_abort_if_not(BOOL_unsigned_char_Array_0[1][2] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_char_Array_0={9:0}] [L80] EXPR BOOL_unsigned_char_Array_0[1][2] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_char_Array_0={9:0}] [L80] CALL assume_abort_if_not(BOOL_unsigned_char_Array_0[1][2] <= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_char_Array_0={9:0}] [L20] COND FALSE !(!cond) [L80] RET assume_abort_if_not(BOOL_unsigned_char_Array_0[1][2] <= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_char_Array_0={9:0}] [L81] double_Array_0[0] = __VERIFIER_nondet_double() [L82] EXPR double_Array_0[0] [L82] EXPR double_Array_0[0] >= 0.0F && double_Array_0[0] <= -1.0e-20F [L82] EXPR double_Array_0[0] [L82] EXPR double_Array_0[0] >= 0.0F && double_Array_0[0] <= -1.0e-20F [L82] EXPR (double_Array_0[0] >= 0.0F && double_Array_0[0] <= -1.0e-20F) || (double_Array_0[0] <= 9223372.036854776000e+12F && double_Array_0[0] >= 1.0e-20F ) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_char_Array_0={9:0}] [L82] CALL assume_abort_if_not((double_Array_0[0] >= 0.0F && double_Array_0[0] <= -1.0e-20F) || (double_Array_0[0] <= 9223372.036854776000e+12F && double_Array_0[0] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_char_Array_0={9:0}] [L20] COND FALSE !(!cond) [L82] RET assume_abort_if_not((double_Array_0[0] >= 0.0F && double_Array_0[0] <= -1.0e-20F) || (double_Array_0[0] <= 9223372.036854776000e+12F && double_Array_0[0] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_char_Array_0={9:0}] [L83] float_Array_0[1] = __VERIFIER_nondet_float() [L84] EXPR float_Array_0[1] [L84] EXPR float_Array_0[1] >= -922337.2036854765600e+13F && float_Array_0[1] <= -1.0e-20F [L84] EXPR float_Array_0[1] [L84] EXPR float_Array_0[1] >= -922337.2036854765600e+13F && float_Array_0[1] <= -1.0e-20F [L84] EXPR (float_Array_0[1] >= -922337.2036854765600e+13F && float_Array_0[1] <= -1.0e-20F) || (float_Array_0[1] <= 9223372.036854765600e+12F && float_Array_0[1] >= 1.0e-20F ) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_char_Array_0={9:0}] [L84] CALL assume_abort_if_not((float_Array_0[1] >= -922337.2036854765600e+13F && float_Array_0[1] <= -1.0e-20F) || (float_Array_0[1] <= 9223372.036854765600e+12F && float_Array_0[1] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_char_Array_0={9:0}] [L20] COND FALSE !(!cond) [L84] RET assume_abort_if_not((float_Array_0[1] >= -922337.2036854765600e+13F && float_Array_0[1] <= -1.0e-20F) || (float_Array_0[1] <= 9223372.036854765600e+12F && float_Array_0[1] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_char_Array_0={9:0}] [L85] signed_char_Array_0[0][0] = __VERIFIER_nondet_char() [L86] EXPR signed_char_Array_0[0][0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_char_Array_0={9:0}] [L86] CALL assume_abort_if_not(signed_char_Array_0[0][0] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_char_Array_0={9:0}] [L20] COND FALSE !(!cond) [L86] RET assume_abort_if_not(signed_char_Array_0[0][0] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_char_Array_0={9:0}] [L87] EXPR signed_char_Array_0[0][0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_char_Array_0={9:0}] [L87] CALL assume_abort_if_not(signed_char_Array_0[0][0] <= 127) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_char_Array_0={9:0}] [L20] COND FALSE !(!cond) [L87] RET assume_abort_if_not(signed_char_Array_0[0][0] <= 127) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_char_Array_0={9:0}] [L88] signed_char_Array_0[1][0] = __VERIFIER_nondet_char() [L89] EXPR signed_char_Array_0[1][0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_char_Array_0={9:0}] [L89] CALL assume_abort_if_not(signed_char_Array_0[1][0] >= -1) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_char_Array_0={9:0}] [L20] COND FALSE !(!cond) [L89] RET assume_abort_if_not(signed_char_Array_0[1][0] >= -1) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_char_Array_0={9:0}] [L90] EXPR signed_char_Array_0[1][0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_char_Array_0={9:0}] [L90] CALL assume_abort_if_not(signed_char_Array_0[1][0] <= 127) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_char_Array_0={9:0}] [L20] COND FALSE !(!cond) [L90] RET assume_abort_if_not(signed_char_Array_0[1][0] <= 127) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_char_Array_0={9:0}] [L91] signed_char_Array_0[0][1] = __VERIFIER_nondet_char() [L92] EXPR signed_char_Array_0[0][1] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_char_Array_0={9:0}] [L92] CALL assume_abort_if_not(signed_char_Array_0[0][1] >= -128) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_char_Array_0={9:0}] [L20] COND FALSE !(!cond) [L92] RET assume_abort_if_not(signed_char_Array_0[0][1] >= -128) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_char_Array_0={9:0}] [L93] EXPR signed_char_Array_0[0][1] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_char_Array_0={9:0}] [L93] CALL assume_abort_if_not(signed_char_Array_0[0][1] <= 127) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_char_Array_0={9:0}] [L20] COND FALSE !(!cond) [L93] RET assume_abort_if_not(signed_char_Array_0[0][1] <= 127) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_char_Array_0={9:0}] [L94] signed_char_Array_0[1][1] = __VERIFIER_nondet_char() [L95] EXPR signed_char_Array_0[1][1] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_char_Array_0={9:0}] [L95] CALL assume_abort_if_not(signed_char_Array_0[1][1] >= -128) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_char_Array_0={9:0}] [L20] COND FALSE !(!cond) [L95] RET assume_abort_if_not(signed_char_Array_0[1][1] >= -128) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_char_Array_0={9:0}] [L96] EXPR signed_char_Array_0[1][1] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_char_Array_0={9:0}] [L96] CALL assume_abort_if_not(signed_char_Array_0[1][1] <= 127) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_char_Array_0={9:0}] [L20] COND FALSE !(!cond) [L96] RET assume_abort_if_not(signed_char_Array_0[1][1] <= 127) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_char_Array_0={9:0}] [L97] unsigned_char_Array_0[0] = __VERIFIER_nondet_uchar() [L98] EXPR unsigned_char_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_char_Array_0={9:0}] [L98] CALL assume_abort_if_not(unsigned_char_Array_0[0] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_char_Array_0={9:0}] [L20] COND FALSE !(!cond) [L98] RET assume_abort_if_not(unsigned_char_Array_0[0] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_char_Array_0={9:0}] [L99] EXPR unsigned_char_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_char_Array_0={9:0}] [L99] CALL assume_abort_if_not(unsigned_char_Array_0[0] <= 255) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_char_Array_0={9:0}] [L20] COND FALSE !(!cond) [L99] RET assume_abort_if_not(unsigned_char_Array_0[0] <= 255) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_char_Array_0={9:0}] [L100] EXPR unsigned_char_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_char_Array_0={9:0}] [L100] CALL assume_abort_if_not(unsigned_char_Array_0[0] != 0) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_char_Array_0={9:0}] [L20] COND FALSE !(!cond) [L100] RET assume_abort_if_not(unsigned_char_Array_0[0] != 0) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_char_Array_0={9:0}] [L113] RET updateVariables() [L114] CALL step() [L43] EXPR signed_char_Array_0[0][1] [L43] EXPR signed_char_Array_0[1][1] [L43] EXPR ((signed_char_Array_0[0][1]) < (signed_char_Array_0[1][1])) ? (signed_char_Array_0[0][1]) : (signed_char_Array_0[1][1]) [L43] EXPR signed_char_Array_0[0][1] [L43] EXPR ((signed_char_Array_0[0][1]) < (signed_char_Array_0[1][1])) ? (signed_char_Array_0[0][1]) : (signed_char_Array_0[1][1]) [L43] EXPR unsigned_char_Array_0[0] [L43] signed long int stepLocal_1 = ((((signed_char_Array_0[0][1]) < (signed_char_Array_0[1][1])) ? (signed_char_Array_0[0][1]) : (signed_char_Array_0[1][1]))) / unsigned_char_Array_0[0]; [L44] EXPR signed_char_Array_0[1][0] [L44] EXPR signed_char_Array_0[0][0] [L44] signed long int stepLocal_0 = signed_char_Array_0[1][0] - signed_char_Array_0[0][0]; [L45] EXPR signed_char_Array_0[0][1] [L45] COND TRUE signed_char_Array_0[0][1] > stepLocal_0 [L46] EXPR signed_char_Array_0[0][0] [L46] COND TRUE stepLocal_1 <= signed_char_Array_0[0][0] [L47] EXPR unsigned_char_Array_0[0] [L47] signed_long_int_Array_0[0] = unsigned_char_Array_0[0] [L52] EXPR float_Array_0[1] [L52] float_Array_0[0] = float_Array_0[1] [L53] EXPR double_Array_0[0] [L53] EXPR float_Array_0[0] [L53] EXPR ((float_Array_0[0]) < 0 ) ? -(float_Array_0[0]) : (float_Array_0[0]) [L53] EXPR float_Array_0[0] [L53] EXPR ((float_Array_0[0]) < 0 ) ? -(float_Array_0[0]) : (float_Array_0[0]) [L53] EXPR float_Array_0[0] [L53] COND FALSE !((double_Array_0[0] - ((((float_Array_0[0]) < 0 ) ? -(float_Array_0[0]) : (float_Array_0[0])))) >= float_Array_0[0]) [L56] EXPR signed_long_int_Array_0[0] [L56] signed long int stepLocal_3 = signed_long_int_Array_0[0]; [L57] EXPR signed_long_int_Array_0[0] [L57] EXPR signed_long_int_Array_0[0] [L57] EXPR signed_char_Array_0[0][0] [L57] signed long int stepLocal_2 = signed_long_int_Array_0[0] * (signed_long_int_Array_0[0] * signed_char_Array_0[0][0]); [L58] BOOL_unsigned_char_Array_0[0][1] [L58] COND TRUE BOOL_unsigned_char_Array_0[0][1] [L59] EXPR signed_long_int_Array_0[0] [L59] COND FALSE !(stepLocal_3 > signed_long_int_Array_0[0]) [L62] EXPR signed_long_int_Array_0[0] [L62] EXPR unsigned_char_Array_0[0] [L62] COND TRUE (signed_long_int_Array_0[0] % unsigned_char_Array_0[0]) < stepLocal_2 [L63] EXPR BOOL_unsigned_char_Array_0[1][0] [L63] BOOL_unsigned_char_Array_0[0][0] = BOOL_unsigned_char_Array_0[1][0] [L114] RET step() [L115] CALL, EXPR property() [L105] EXPR signed_char_Array_0[0][1] [L105] EXPR signed_char_Array_0[1][0] [L105] EXPR signed_char_Array_0[0][0] [L105] EXPR (signed_char_Array_0[0][1] > (signed_char_Array_0[1][0] - signed_char_Array_0[0][0])) ? (((((((signed_char_Array_0[0][1]) < (signed_char_Array_0[1][1])) ? (signed_char_Array_0[0][1]) : (signed_char_Array_0[1][1]))) / unsigned_char_Array_0[0]) <= signed_char_Array_0[0][0]) ? (signed_long_int_Array_0[0] == ((signed long int) unsigned_char_Array_0[0])) : 1) : (signed_long_int_Array_0[0] == ((signed long int) signed_char_Array_0[1][1])) [L105] EXPR signed_char_Array_0[0][1] [L105] EXPR signed_char_Array_0[1][1] [L105] EXPR ((signed_char_Array_0[0][1]) < (signed_char_Array_0[1][1])) ? (signed_char_Array_0[0][1]) : (signed_char_Array_0[1][1]) [L105] EXPR signed_char_Array_0[0][1] [L105] EXPR ((signed_char_Array_0[0][1]) < (signed_char_Array_0[1][1])) ? (signed_char_Array_0[0][1]) : (signed_char_Array_0[1][1]) [L105] EXPR unsigned_char_Array_0[0] [L105] EXPR signed_char_Array_0[0][0] [L105] EXPR ((((((signed_char_Array_0[0][1]) < (signed_char_Array_0[1][1])) ? (signed_char_Array_0[0][1]) : (signed_char_Array_0[1][1]))) / unsigned_char_Array_0[0]) <= signed_char_Array_0[0][0]) ? (signed_long_int_Array_0[0] == ((signed long int) unsigned_char_Array_0[0])) : 1 [L105] EXPR signed_long_int_Array_0[0] [L105] EXPR unsigned_char_Array_0[0] [L105] EXPR ((((((signed_char_Array_0[0][1]) < (signed_char_Array_0[1][1])) ? (signed_char_Array_0[0][1]) : (signed_char_Array_0[1][1]))) / unsigned_char_Array_0[0]) <= signed_char_Array_0[0][0]) ? (signed_long_int_Array_0[0] == ((signed long int) unsigned_char_Array_0[0])) : 1 [L105] EXPR (signed_char_Array_0[0][1] > (signed_char_Array_0[1][0] - signed_char_Array_0[0][0])) ? (((((((signed_char_Array_0[0][1]) < (signed_char_Array_0[1][1])) ? (signed_char_Array_0[0][1]) : (signed_char_Array_0[1][1]))) / unsigned_char_Array_0[0]) <= signed_char_Array_0[0][0]) ? (signed_long_int_Array_0[0] == ((signed long int) unsigned_char_Array_0[0])) : 1) : (signed_long_int_Array_0[0] == ((signed long int) signed_char_Array_0[1][1])) [L105] EXPR ((signed_char_Array_0[0][1] > (signed_char_Array_0[1][0] - signed_char_Array_0[0][0])) ? (((((((signed_char_Array_0[0][1]) < (signed_char_Array_0[1][1])) ? (signed_char_Array_0[0][1]) : (signed_char_Array_0[1][1]))) / unsigned_char_Array_0[0]) <= signed_char_Array_0[0][0]) ? (signed_long_int_Array_0[0] == ((signed long int) unsigned_char_Array_0[0])) : 1) : (signed_long_int_Array_0[0] == ((signed long int) signed_char_Array_0[1][1]))) && (BOOL_unsigned_char_Array_0[0][1] ? ((signed_long_int_Array_0[0] > signed_long_int_Array_0[0]) ? (BOOL_unsigned_char_Array_0[0][0] == ((unsigned char) (! BOOL_unsigned_char_Array_0[1][0]))) : (((signed_long_int_Array_0[0] % unsigned_char_Array_0[0]) < (signed_long_int_Array_0[0] * (signed_long_int_Array_0[0] * signed_char_Array_0[0][0]))) ? (BOOL_unsigned_char_Array_0[0][0] == ((unsigned char) BOOL_unsigned_char_Array_0[1][0])) : 1)) : 1) [L105] EXPR BOOL_unsigned_char_Array_0[0][1] [L105] EXPR BOOL_unsigned_char_Array_0[0][1] ? ((signed_long_int_Array_0[0] > signed_long_int_Array_0[0]) ? (BOOL_unsigned_char_Array_0[0][0] == ((unsigned char) (! BOOL_unsigned_char_Array_0[1][0]))) : (((signed_long_int_Array_0[0] % unsigned_char_Array_0[0]) < (signed_long_int_Array_0[0] * (signed_long_int_Array_0[0] * signed_char_Array_0[0][0]))) ? (BOOL_unsigned_char_Array_0[0][0] == ((unsigned char) BOOL_unsigned_char_Array_0[1][0])) : 1)) : 1 [L105] EXPR signed_long_int_Array_0[0] [L105] EXPR signed_long_int_Array_0[0] [L105] EXPR (signed_long_int_Array_0[0] > signed_long_int_Array_0[0]) ? (BOOL_unsigned_char_Array_0[0][0] == ((unsigned char) (! BOOL_unsigned_char_Array_0[1][0]))) : (((signed_long_int_Array_0[0] % unsigned_char_Array_0[0]) < (signed_long_int_Array_0[0] * (signed_long_int_Array_0[0] * signed_char_Array_0[0][0]))) ? (BOOL_unsigned_char_Array_0[0][0] == ((unsigned char) BOOL_unsigned_char_Array_0[1][0])) : 1) [L105] EXPR signed_long_int_Array_0[0] [L105] EXPR unsigned_char_Array_0[0] [L105] EXPR signed_long_int_Array_0[0] [L105] EXPR signed_long_int_Array_0[0] [L105] EXPR signed_char_Array_0[0][0] [L105] EXPR ((signed_long_int_Array_0[0] % unsigned_char_Array_0[0]) < (signed_long_int_Array_0[0] * (signed_long_int_Array_0[0] * signed_char_Array_0[0][0]))) ? (BOOL_unsigned_char_Array_0[0][0] == ((unsigned char) BOOL_unsigned_char_Array_0[1][0])) : 1 [L105] EXPR BOOL_unsigned_char_Array_0[0][0] [L105] EXPR BOOL_unsigned_char_Array_0[1][0] [L105] EXPR ((signed_long_int_Array_0[0] % unsigned_char_Array_0[0]) < (signed_long_int_Array_0[0] * (signed_long_int_Array_0[0] * signed_char_Array_0[0][0]))) ? (BOOL_unsigned_char_Array_0[0][0] == ((unsigned char) BOOL_unsigned_char_Array_0[1][0])) : 1 [L105] EXPR (signed_long_int_Array_0[0] > signed_long_int_Array_0[0]) ? (BOOL_unsigned_char_Array_0[0][0] == ((unsigned char) (! BOOL_unsigned_char_Array_0[1][0]))) : (((signed_long_int_Array_0[0] % unsigned_char_Array_0[0]) < (signed_long_int_Array_0[0] * (signed_long_int_Array_0[0] * signed_char_Array_0[0][0]))) ? (BOOL_unsigned_char_Array_0[0][0] == ((unsigned char) BOOL_unsigned_char_Array_0[1][0])) : 1) [L105] EXPR BOOL_unsigned_char_Array_0[0][1] ? ((signed_long_int_Array_0[0] > signed_long_int_Array_0[0]) ? (BOOL_unsigned_char_Array_0[0][0] == ((unsigned char) (! BOOL_unsigned_char_Array_0[1][0]))) : (((signed_long_int_Array_0[0] % unsigned_char_Array_0[0]) < (signed_long_int_Array_0[0] * (signed_long_int_Array_0[0] * signed_char_Array_0[0][0]))) ? (BOOL_unsigned_char_Array_0[0][0] == ((unsigned char) BOOL_unsigned_char_Array_0[1][0])) : 1)) : 1 [L105] EXPR ((signed_char_Array_0[0][1] > (signed_char_Array_0[1][0] - signed_char_Array_0[0][0])) ? (((((((signed_char_Array_0[0][1]) < (signed_char_Array_0[1][1])) ? (signed_char_Array_0[0][1]) : (signed_char_Array_0[1][1]))) / unsigned_char_Array_0[0]) <= signed_char_Array_0[0][0]) ? (signed_long_int_Array_0[0] == ((signed long int) unsigned_char_Array_0[0])) : 1) : (signed_long_int_Array_0[0] == ((signed long int) signed_char_Array_0[1][1]))) && (BOOL_unsigned_char_Array_0[0][1] ? ((signed_long_int_Array_0[0] > signed_long_int_Array_0[0]) ? (BOOL_unsigned_char_Array_0[0][0] == ((unsigned char) (! BOOL_unsigned_char_Array_0[1][0]))) : (((signed_long_int_Array_0[0] % unsigned_char_Array_0[0]) < (signed_long_int_Array_0[0] * (signed_long_int_Array_0[0] * signed_char_Array_0[0][0]))) ? (BOOL_unsigned_char_Array_0[0][0] == ((unsigned char) BOOL_unsigned_char_Array_0[1][0])) : 1)) : 1) [L105] EXPR (((signed_char_Array_0[0][1] > (signed_char_Array_0[1][0] - signed_char_Array_0[0][0])) ? (((((((signed_char_Array_0[0][1]) < (signed_char_Array_0[1][1])) ? (signed_char_Array_0[0][1]) : (signed_char_Array_0[1][1]))) / unsigned_char_Array_0[0]) <= signed_char_Array_0[0][0]) ? (signed_long_int_Array_0[0] == ((signed long int) unsigned_char_Array_0[0])) : 1) : (signed_long_int_Array_0[0] == ((signed long int) signed_char_Array_0[1][1]))) && (BOOL_unsigned_char_Array_0[0][1] ? ((signed_long_int_Array_0[0] > signed_long_int_Array_0[0]) ? (BOOL_unsigned_char_Array_0[0][0] == ((unsigned char) (! BOOL_unsigned_char_Array_0[1][0]))) : (((signed_long_int_Array_0[0] % unsigned_char_Array_0[0]) < (signed_long_int_Array_0[0] * (signed_long_int_Array_0[0] * signed_char_Array_0[0][0]))) ? (BOOL_unsigned_char_Array_0[0][0] == ((unsigned char) BOOL_unsigned_char_Array_0[1][0])) : 1)) : 1)) && (((double_Array_0[0] - ((((float_Array_0[0]) < 0 ) ? -(float_Array_0[0]) : (float_Array_0[0])))) >= float_Array_0[0]) ? (BOOL_unsigned_char_Array_0[0][1] == ((unsigned char) (((signed_char_Array_0[0][0] < signed_long_int_Array_0[0]) && BOOL_unsigned_char_Array_0[1][2]) || (BOOL_unsigned_char_Array_0[1][1] || BOOL_unsigned_char_Array_0[0][2])))) : 1) [L105] EXPR double_Array_0[0] [L105] EXPR float_Array_0[0] [L105] EXPR ((float_Array_0[0]) < 0 ) ? -(float_Array_0[0]) : (float_Array_0[0]) [L105] EXPR float_Array_0[0] [L105] EXPR ((float_Array_0[0]) < 0 ) ? -(float_Array_0[0]) : (float_Array_0[0]) [L105] EXPR float_Array_0[0] [L105] EXPR ((double_Array_0[0] - ((((float_Array_0[0]) < 0 ) ? -(float_Array_0[0]) : (float_Array_0[0])))) >= float_Array_0[0]) ? (BOOL_unsigned_char_Array_0[0][1] == ((unsigned char) (((signed_char_Array_0[0][0] < signed_long_int_Array_0[0]) && BOOL_unsigned_char_Array_0[1][2]) || (BOOL_unsigned_char_Array_0[1][1] || BOOL_unsigned_char_Array_0[0][2])))) : 1 [L105] EXPR BOOL_unsigned_char_Array_0[0][1] [L105] EXPR signed_char_Array_0[0][0] [L105] EXPR signed_long_int_Array_0[0] [L105] EXPR (signed_char_Array_0[0][0] < signed_long_int_Array_0[0]) && BOOL_unsigned_char_Array_0[1][2] [L105] EXPR ((signed_char_Array_0[0][0] < signed_long_int_Array_0[0]) && BOOL_unsigned_char_Array_0[1][2]) || (BOOL_unsigned_char_Array_0[1][1] || BOOL_unsigned_char_Array_0[0][2]) [L105] EXPR BOOL_unsigned_char_Array_0[1][1] [L105] EXPR BOOL_unsigned_char_Array_0[1][1] || BOOL_unsigned_char_Array_0[0][2] [L105] EXPR BOOL_unsigned_char_Array_0[0][2] [L105] EXPR BOOL_unsigned_char_Array_0[1][1] || BOOL_unsigned_char_Array_0[0][2] [L105] EXPR ((signed_char_Array_0[0][0] < signed_long_int_Array_0[0]) && BOOL_unsigned_char_Array_0[1][2]) || (BOOL_unsigned_char_Array_0[1][1] || BOOL_unsigned_char_Array_0[0][2]) [L105] EXPR ((double_Array_0[0] - ((((float_Array_0[0]) < 0 ) ? -(float_Array_0[0]) : (float_Array_0[0])))) >= float_Array_0[0]) ? (BOOL_unsigned_char_Array_0[0][1] == ((unsigned char) (((signed_char_Array_0[0][0] < signed_long_int_Array_0[0]) && BOOL_unsigned_char_Array_0[1][2]) || (BOOL_unsigned_char_Array_0[1][1] || BOOL_unsigned_char_Array_0[0][2])))) : 1 [L105] EXPR (((signed_char_Array_0[0][1] > (signed_char_Array_0[1][0] - signed_char_Array_0[0][0])) ? (((((((signed_char_Array_0[0][1]) < (signed_char_Array_0[1][1])) ? (signed_char_Array_0[0][1]) : (signed_char_Array_0[1][1]))) / unsigned_char_Array_0[0]) <= signed_char_Array_0[0][0]) ? (signed_long_int_Array_0[0] == ((signed long int) unsigned_char_Array_0[0])) : 1) : (signed_long_int_Array_0[0] == ((signed long int) signed_char_Array_0[1][1]))) && (BOOL_unsigned_char_Array_0[0][1] ? ((signed_long_int_Array_0[0] > signed_long_int_Array_0[0]) ? (BOOL_unsigned_char_Array_0[0][0] == ((unsigned char) (! BOOL_unsigned_char_Array_0[1][0]))) : (((signed_long_int_Array_0[0] % unsigned_char_Array_0[0]) < (signed_long_int_Array_0[0] * (signed_long_int_Array_0[0] * signed_char_Array_0[0][0]))) ? (BOOL_unsigned_char_Array_0[0][0] == ((unsigned char) BOOL_unsigned_char_Array_0[1][0])) : 1)) : 1)) && (((double_Array_0[0] - ((((float_Array_0[0]) < 0 ) ? -(float_Array_0[0]) : (float_Array_0[0])))) >= float_Array_0[0]) ? (BOOL_unsigned_char_Array_0[0][1] == ((unsigned char) (((signed_char_Array_0[0][0] < signed_long_int_Array_0[0]) && BOOL_unsigned_char_Array_0[1][2]) || (BOOL_unsigned_char_Array_0[1][1] || BOOL_unsigned_char_Array_0[0][2])))) : 1) [L105] EXPR ((((signed_char_Array_0[0][1] > (signed_char_Array_0[1][0] - signed_char_Array_0[0][0])) ? (((((((signed_char_Array_0[0][1]) < (signed_char_Array_0[1][1])) ? (signed_char_Array_0[0][1]) : (signed_char_Array_0[1][1]))) / unsigned_char_Array_0[0]) <= signed_char_Array_0[0][0]) ? (signed_long_int_Array_0[0] == ((signed long int) unsigned_char_Array_0[0])) : 1) : (signed_long_int_Array_0[0] == ((signed long int) signed_char_Array_0[1][1]))) && (BOOL_unsigned_char_Array_0[0][1] ? ((signed_long_int_Array_0[0] > signed_long_int_Array_0[0]) ? (BOOL_unsigned_char_Array_0[0][0] == ((unsigned char) (! BOOL_unsigned_char_Array_0[1][0]))) : (((signed_long_int_Array_0[0] % unsigned_char_Array_0[0]) < (signed_long_int_Array_0[0] * (signed_long_int_Array_0[0] * signed_char_Array_0[0][0]))) ? (BOOL_unsigned_char_Array_0[0][0] == ((unsigned char) BOOL_unsigned_char_Array_0[1][0])) : 1)) : 1)) && (((double_Array_0[0] - ((((float_Array_0[0]) < 0 ) ? -(float_Array_0[0]) : (float_Array_0[0])))) >= float_Array_0[0]) ? (BOOL_unsigned_char_Array_0[0][1] == ((unsigned char) (((signed_char_Array_0[0][0] < signed_long_int_Array_0[0]) && BOOL_unsigned_char_Array_0[1][2]) || (BOOL_unsigned_char_Array_0[1][1] || BOOL_unsigned_char_Array_0[0][2])))) : 1)) && (float_Array_0[0] == ((float) float_Array_0[1])) [L105-L106] return ((((signed_char_Array_0[0][1] > (signed_char_Array_0[1][0] - signed_char_Array_0[0][0])) ? (((((((signed_char_Array_0[0][1]) < (signed_char_Array_0[1][1])) ? (signed_char_Array_0[0][1]) : (signed_char_Array_0[1][1]))) / unsigned_char_Array_0[0]) <= signed_char_Array_0[0][0]) ? (signed_long_int_Array_0[0] == ((signed long int) unsigned_char_Array_0[0])) : 1) : (signed_long_int_Array_0[0] == ((signed long int) signed_char_Array_0[1][1]))) && (BOOL_unsigned_char_Array_0[0][1] ? ((signed_long_int_Array_0[0] > signed_long_int_Array_0[0]) ? (BOOL_unsigned_char_Array_0[0][0] == ((unsigned char) (! BOOL_unsigned_char_Array_0[1][0]))) : (((signed_long_int_Array_0[0] % unsigned_char_Array_0[0]) < (signed_long_int_Array_0[0] * (signed_long_int_Array_0[0] * signed_char_Array_0[0][0]))) ? (BOOL_unsigned_char_Array_0[0][0] == ((unsigned char) BOOL_unsigned_char_Array_0[1][0])) : 1)) : 1)) && (((double_Array_0[0] - ((((float_Array_0[0]) < 0 ) ? -(float_Array_0[0]) : (float_Array_0[0])))) >= float_Array_0[0]) ? (BOOL_unsigned_char_Array_0[0][1] == ((unsigned char) (((signed_char_Array_0[0][0] < signed_long_int_Array_0[0]) && BOOL_unsigned_char_Array_0[1][2]) || (BOOL_unsigned_char_Array_0[1][1] || BOOL_unsigned_char_Array_0[0][2])))) : 1)) && (float_Array_0[0] == ((float) float_Array_0[1])) ; [L115] RET, EXPR property() [L115] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=0, cond=0, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_char_Array_0={9:0}] [L19] reach_error() VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=0, cond=0, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_char_Array_0={9:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 51 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 2.4s, OverallIterations: 1, TraceHistogramMax: 21, 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=51occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 1.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 88 NumberOfCodeBlocks, 88 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-12-02 13:05:23,764 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b082e23-1b0a-45ea-9f41-290528c3a744/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-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b082e23-1b0a-45ea-9f41-290528c3a744/bin/utaipan-verify-nQ1chXbOIh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b082e23-1b0a-45ea-9f41-290528c3a744/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_6b082e23-1b0a-45ea-9f41-290528c3a744/bin/utaipan-verify-nQ1chXbOIh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b082e23-1b0a-45ea-9f41-290528c3a744/bin/utaipan-verify-nQ1chXbOIh/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-44.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b082e23-1b0a-45ea-9f41-290528c3a744/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_6b082e23-1b0a-45ea-9f41-290528c3a744/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 eaa60ed61738bb84f21e0e7461cdcc453d531566de1a87a0cbf8ab788e5233b0 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 13:05:25,656 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 13:05:25,735 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b082e23-1b0a-45ea-9f41-290528c3a744/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2023-12-02 13:05:25,741 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 13:05:25,742 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-02 13:05:25,770 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 13:05:25,771 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-02 13:05:25,771 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-02 13:05:25,772 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 13:05:25,772 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-02 13:05:25,773 INFO L153 SettingsManager]: * User list type=DISABLED [2023-12-02 13:05:25,774 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-12-02 13:05:25,774 INFO L153 SettingsManager]: * Explicit value domain=true [2023-12-02 13:05:25,775 INFO L153 SettingsManager]: * Octagon Domain=false [2023-12-02 13:05:25,775 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-12-02 13:05:25,776 INFO L153 SettingsManager]: * Interval Domain=false [2023-12-02 13:05:25,777 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 13:05:25,777 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 13:05:25,778 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 13:05:25,778 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 13:05:25,779 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 13:05:25,779 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 13:05:25,780 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 13:05:25,780 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 13:05:25,781 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-02 13:05:25,781 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-02 13:05:25,781 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-02 13:05:25,782 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 13:05:25,782 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 13:05:25,783 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 13:05:25,783 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 13:05:25,784 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-02 13:05:25,784 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-02 13:05:25,784 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-02 13:05:25,784 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 13:05:25,785 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 13:05:25,785 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 13:05:25,785 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 13:05:25,785 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-02 13:05:25,786 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 13:05:25,786 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-02 13:05:25,787 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 13:05:25,787 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-12-02 13:05:25,787 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 13:05:25,787 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_6b082e23-1b0a-45ea-9f41-290528c3a744/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b082e23-1b0a-45ea-9f41-290528c3a744/bin/utaipan-verify-nQ1chXbOIh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> eaa60ed61738bb84f21e0e7461cdcc453d531566de1a87a0cbf8ab788e5233b0 [2023-12-02 13:05:26,069 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 13:05:26,089 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 13:05:26,091 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 13:05:26,092 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 13:05:26,093 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 13:05:26,094 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b082e23-1b0a-45ea-9f41-290528c3a744/bin/utaipan-verify-nQ1chXbOIh/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-44.i [2023-12-02 13:05:28,866 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 13:05:29,089 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 13:05:29,090 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b082e23-1b0a-45ea-9f41-290528c3a744/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-44.i [2023-12-02 13:05:29,099 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b082e23-1b0a-45ea-9f41-290528c3a744/bin/utaipan-verify-nQ1chXbOIh/data/a5a01e66e/ecdbba555df84288a3a18f246f0956a3/FLAGf82452459 [2023-12-02 13:05:29,111 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b082e23-1b0a-45ea-9f41-290528c3a744/bin/utaipan-verify-nQ1chXbOIh/data/a5a01e66e/ecdbba555df84288a3a18f246f0956a3 [2023-12-02 13:05:29,114 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 13:05:29,116 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 13:05:29,117 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 13:05:29,118 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 13:05:29,122 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 13:05:29,122 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 01:05:29" (1/1) ... [2023-12-02 13:05:29,123 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@30afb678 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:05:29, skipping insertion in model container [2023-12-02 13:05:29,123 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 01:05:29" (1/1) ... [2023-12-02 13:05:29,157 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 13:05:29,317 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_6b082e23-1b0a-45ea-9f41-290528c3a744/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-44.i[916,929] [2023-12-02 13:05:29,385 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 13:05:29,402 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 13:05:29,416 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_6b082e23-1b0a-45ea-9f41-290528c3a744/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-44.i[916,929] [2023-12-02 13:05:29,461 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 13:05:29,487 INFO L206 MainTranslator]: Completed translation [2023-12-02 13:05:29,487 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:05:29 WrapperNode [2023-12-02 13:05:29,487 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 13:05:29,489 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 13:05:29,489 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 13:05:29,489 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 13:05:29,497 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:05:29" (1/1) ... [2023-12-02 13:05:29,516 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:05:29" (1/1) ... [2023-12-02 13:05:29,556 INFO L138 Inliner]: procedures = 36, calls = 169, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 437 [2023-12-02 13:05:29,557 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 13:05:29,558 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 13:05:29,558 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 13:05:29,558 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 13:05:29,568 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:05:29" (1/1) ... [2023-12-02 13:05:29,568 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:05:29" (1/1) ... [2023-12-02 13:05:29,578 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:05:29" (1/1) ... [2023-12-02 13:05:29,579 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:05:29" (1/1) ... [2023-12-02 13:05:29,603 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:05:29" (1/1) ... [2023-12-02 13:05:29,608 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:05:29" (1/1) ... [2023-12-02 13:05:29,611 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:05:29" (1/1) ... [2023-12-02 13:05:29,615 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:05:29" (1/1) ... [2023-12-02 13:05:29,621 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 13:05:29,622 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 13:05:29,622 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 13:05:29,622 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 13:05:29,623 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:05:29" (1/1) ... [2023-12-02 13:05:29,630 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 13:05:29,641 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b082e23-1b0a-45ea-9f41-290528c3a744/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 13:05:29,658 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b082e23-1b0a-45ea-9f41-290528c3a744/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-12-02 13:05:29,664 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b082e23-1b0a-45ea-9f41-290528c3a744/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-12-02 13:05:29,719 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 13:05:29,719 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2023-12-02 13:05:29,719 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2023-12-02 13:05:29,720 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2023-12-02 13:05:29,720 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-02 13:05:29,720 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2023-12-02 13:05:29,720 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2023-12-02 13:05:29,720 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8 [2023-12-02 13:05:29,720 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-12-02 13:05:29,721 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2023-12-02 13:05:29,721 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4 [2023-12-02 13:05:29,721 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-02 13:05:29,721 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-02 13:05:29,721 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 13:05:29,721 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 13:05:29,721 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2023-12-02 13:05:29,722 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-12-02 13:05:29,841 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 13:05:29,843 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 13:05:34,148 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 13:05:34,193 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 13:05:34,193 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-02 13:05:34,193 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 01:05:34 BoogieIcfgContainer [2023-12-02 13:05:34,194 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 13:05:34,210 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-02 13:05:34,211 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-02 13:05:34,214 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-02 13:05:34,214 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 01:05:29" (1/3) ... [2023-12-02 13:05:34,214 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@176f65b2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 01:05:34, skipping insertion in model container [2023-12-02 13:05:34,215 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:05:29" (2/3) ... [2023-12-02 13:05:34,215 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@176f65b2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 01:05:34, skipping insertion in model container [2023-12-02 13:05:34,215 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 01:05:34" (3/3) ... [2023-12-02 13:05:34,216 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-a_file-44.i [2023-12-02 13:05:34,235 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-02 13:05:34,236 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-02 13:05:34,281 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-02 13:05:34,286 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;@40f49659, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-02 13:05:34,287 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-02 13:05:34,292 INFO L276 IsEmpty]: Start isEmpty. Operand has 111 states, 87 states have (on average 1.4137931034482758) internal successors, (123), 88 states have internal predecessors, (123), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2023-12-02 13:05:34,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2023-12-02 13:05:34,308 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 13:05:34,308 INFO L195 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 13:05:34,309 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 13:05:34,314 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 13:05:34,315 INFO L85 PathProgramCache]: Analyzing trace with hash 247804695, now seen corresponding path program 1 times [2023-12-02 13:05:34,326 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 13:05:34,326 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [29119837] [2023-12-02 13:05:34,326 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:05:34,326 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 13:05:34,327 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b082e23-1b0a-45ea-9f41-290528c3a744/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 13:05:34,328 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b082e23-1b0a-45ea-9f41-290528c3a744/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-02 13:05:34,330 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b082e23-1b0a-45ea-9f41-290528c3a744/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2023-12-02 13:05:34,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:05:34,731 INFO L262 TraceCheckSpWp]: Trace formula consists of 320 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 13:05:34,741 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 13:05:34,786 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 440 proven. 0 refuted. 0 times theorem prover too weak. 400 trivial. 0 not checked. [2023-12-02 13:05:34,786 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 13:05:34,787 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 13:05:34,787 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [29119837] [2023-12-02 13:05:34,788 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [29119837] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 13:05:34,788 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 13:05:34,788 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-02 13:05:34,790 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1879856975] [2023-12-02 13:05:34,790 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 13:05:34,795 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-12-02 13:05:34,795 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 13:05:34,824 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-12-02 13:05:34,824 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-02 13:05:34,827 INFO L87 Difference]: Start difference. First operand has 111 states, 87 states have (on average 1.4137931034482758) internal successors, (123), 88 states have internal predecessors, (123), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) Second operand has 2 states, 2 states have (on average 28.0) internal successors, (56), 2 states have internal predecessors, (56), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2023-12-02 13:05:34,908 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 13:05:34,909 INFO L93 Difference]: Finished difference Result 219 states and 349 transitions. [2023-12-02 13:05:34,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 13:05:34,911 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 28.0) internal successors, (56), 2 states have internal predecessors, (56), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 154 [2023-12-02 13:05:34,912 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 13:05:34,920 INFO L225 Difference]: With dead ends: 219 [2023-12-02 13:05:34,920 INFO L226 Difference]: Without dead ends: 109 [2023-12-02 13:05:34,924 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 153 GetRequests, 153 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 13:05:34,928 INFO L413 NwaCegarLoop]: 156 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 156 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-02 13:05:34,929 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 156 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-02 13:05:34,946 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2023-12-02 13:05:34,973 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 109. [2023-12-02 13:05:34,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 109 states, 86 states have (on average 1.372093023255814) internal successors, (118), 86 states have internal predecessors, (118), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2023-12-02 13:05:34,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 160 transitions. [2023-12-02 13:05:34,979 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 160 transitions. Word has length 154 [2023-12-02 13:05:34,979 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 13:05:34,980 INFO L495 AbstractCegarLoop]: Abstraction has 109 states and 160 transitions. [2023-12-02 13:05:34,980 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 28.0) internal successors, (56), 2 states have internal predecessors, (56), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2023-12-02 13:05:34,980 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 160 transitions. [2023-12-02 13:05:34,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2023-12-02 13:05:34,984 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 13:05:34,984 INFO L195 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 13:05:34,995 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b082e23-1b0a-45ea-9f41-290528c3a744/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2023-12-02 13:05:35,192 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b082e23-1b0a-45ea-9f41-290528c3a744/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 13:05:35,193 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 13:05:35,193 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 13:05:35,193 INFO L85 PathProgramCache]: Analyzing trace with hash 294632049, now seen corresponding path program 1 times [2023-12-02 13:05:35,194 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 13:05:35,195 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1406740547] [2023-12-02 13:05:35,195 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:05:35,195 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 13:05:35,195 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b082e23-1b0a-45ea-9f41-290528c3a744/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 13:05:35,196 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b082e23-1b0a-45ea-9f41-290528c3a744/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-02 13:05:35,197 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b082e23-1b0a-45ea-9f41-290528c3a744/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2023-12-02 13:05:35,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:05:35,598 INFO L262 TraceCheckSpWp]: Trace formula consists of 320 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-02 13:05:35,605 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 13:05:35,674 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2023-12-02 13:05:35,674 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 13:05:35,675 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 13:05:35,675 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1406740547] [2023-12-02 13:05:35,675 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1406740547] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 13:05:35,675 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 13:05:35,676 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-02 13:05:35,676 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2076415706] [2023-12-02 13:05:35,676 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 13:05:35,678 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-02 13:05:35,678 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 13:05:35,679 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-02 13:05:35,680 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-12-02 13:05:35,680 INFO L87 Difference]: Start difference. First operand 109 states and 160 transitions. Second operand has 5 states, 5 states have (on average 10.4) internal successors, (52), 5 states have internal predecessors, (52), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2023-12-02 13:05:35,829 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 13:05:35,829 INFO L93 Difference]: Finished difference Result 226 states and 331 transitions. [2023-12-02 13:05:35,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-12-02 13:05:35,830 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.4) internal successors, (52), 5 states have internal predecessors, (52), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) Word has length 154 [2023-12-02 13:05:35,832 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 13:05:35,834 INFO L225 Difference]: With dead ends: 226 [2023-12-02 13:05:35,834 INFO L226 Difference]: Without dead ends: 118 [2023-12-02 13:05:35,836 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 156 GetRequests, 150 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-12-02 13:05:35,838 INFO L413 NwaCegarLoop]: 152 mSDtfsCounter, 10 mSDsluCounter, 448 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 600 SdHoareTripleChecker+Invalid, 40 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-02 13:05:35,839 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 600 Invalid, 40 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-02 13:05:35,840 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118 states. [2023-12-02 13:05:35,867 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118 to 113. [2023-12-02 13:05:35,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 113 states, 90 states have (on average 1.3555555555555556) internal successors, (122), 90 states have internal predecessors, (122), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2023-12-02 13:05:35,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 164 transitions. [2023-12-02 13:05:35,871 INFO L78 Accepts]: Start accepts. Automaton has 113 states and 164 transitions. Word has length 154 [2023-12-02 13:05:35,873 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 13:05:35,873 INFO L495 AbstractCegarLoop]: Abstraction has 113 states and 164 transitions. [2023-12-02 13:05:35,873 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.4) internal successors, (52), 5 states have internal predecessors, (52), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2023-12-02 13:05:35,874 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 164 transitions. [2023-12-02 13:05:35,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2023-12-02 13:05:35,877 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 13:05:35,878 INFO L195 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 13:05:35,885 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b082e23-1b0a-45ea-9f41-290528c3a744/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 13:05:36,080 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b082e23-1b0a-45ea-9f41-290528c3a744/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 13:05:36,081 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 13:05:36,081 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 13:05:36,082 INFO L85 PathProgramCache]: Analyzing trace with hash 294691631, now seen corresponding path program 1 times [2023-12-02 13:05:36,082 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 13:05:36,083 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2025568572] [2023-12-02 13:05:36,083 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:05:36,083 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 13:05:36,083 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b082e23-1b0a-45ea-9f41-290528c3a744/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 13:05:36,085 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b082e23-1b0a-45ea-9f41-290528c3a744/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-02 13:05:36,086 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b082e23-1b0a-45ea-9f41-290528c3a744/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2023-12-02 13:05:36,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:05:36,489 INFO L262 TraceCheckSpWp]: Trace formula consists of 317 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-02 13:05:36,497 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 13:05:36,768 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 13:05:36,769 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 155 treesize of output 65 [2023-12-02 13:05:36,814 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 416 proven. 0 refuted. 0 times theorem prover too weak. 424 trivial. 0 not checked. [2023-12-02 13:05:36,815 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 13:05:36,815 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 13:05:36,815 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2025568572] [2023-12-02 13:05:36,815 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2025568572] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 13:05:36,816 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 13:05:36,816 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-02 13:05:36,816 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [178456601] [2023-12-02 13:05:36,816 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 13:05:36,817 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-12-02 13:05:36,817 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 13:05:36,818 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-12-02 13:05:36,818 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-12-02 13:05:36,819 INFO L87 Difference]: Start difference. First operand 113 states and 164 transitions. Second operand has 6 states, 6 states have (on average 9.166666666666666) internal successors, (55), 5 states have internal predecessors, (55), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2023-12-02 13:05:38,800 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.34s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 13:05:41,278 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.49s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 13:05:42,299 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 13:05:42,299 INFO L93 Difference]: Finished difference Result 231 states and 336 transitions. [2023-12-02 13:05:42,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-12-02 13:05:42,300 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.166666666666666) internal successors, (55), 5 states have internal predecessors, (55), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 154 [2023-12-02 13:05:42,301 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 13:05:42,302 INFO L225 Difference]: With dead ends: 231 [2023-12-02 13:05:42,302 INFO L226 Difference]: Without dead ends: 119 [2023-12-02 13:05:42,303 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 157 GetRequests, 149 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=55, Unknown=0, NotChecked=0, Total=90 [2023-12-02 13:05:42,304 INFO L413 NwaCegarLoop]: 139 mSDtfsCounter, 145 mSDsluCounter, 312 mSDsCounter, 0 mSdLazyCounter, 181 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 145 SdHoareTripleChecker+Valid, 451 SdHoareTripleChecker+Invalid, 186 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 181 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.4s IncrementalHoareTripleChecker+Time [2023-12-02 13:05:42,304 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [145 Valid, 451 Invalid, 186 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 181 Invalid, 0 Unknown, 0 Unchecked, 5.4s Time] [2023-12-02 13:05:42,305 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119 states. [2023-12-02 13:05:42,313 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119 to 113. [2023-12-02 13:05:42,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 113 states, 90 states have (on average 1.3444444444444446) internal successors, (121), 90 states have internal predecessors, (121), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2023-12-02 13:05:42,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 163 transitions. [2023-12-02 13:05:42,314 INFO L78 Accepts]: Start accepts. Automaton has 113 states and 163 transitions. Word has length 154 [2023-12-02 13:05:42,315 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 13:05:42,315 INFO L495 AbstractCegarLoop]: Abstraction has 113 states and 163 transitions. [2023-12-02 13:05:42,315 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.166666666666666) internal successors, (55), 5 states have internal predecessors, (55), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2023-12-02 13:05:42,315 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 163 transitions. [2023-12-02 13:05:42,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2023-12-02 13:05:42,317 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 13:05:42,317 INFO L195 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 13:05:42,325 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b082e23-1b0a-45ea-9f41-290528c3a744/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Ended with exit code 0 [2023-12-02 13:05:42,518 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b082e23-1b0a-45ea-9f41-290528c3a744/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 13:05:42,518 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 13:05:42,518 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 13:05:42,519 INFO L85 PathProgramCache]: Analyzing trace with hash 1329909481, now seen corresponding path program 1 times [2023-12-02 13:05:42,519 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 13:05:42,519 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [931083675] [2023-12-02 13:05:42,520 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:05:42,520 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 13:05:42,520 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b082e23-1b0a-45ea-9f41-290528c3a744/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 13:05:42,521 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b082e23-1b0a-45ea-9f41-290528c3a744/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-02 13:05:42,522 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b082e23-1b0a-45ea-9f41-290528c3a744/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2023-12-02 13:05:43,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:05:43,053 INFO L262 TraceCheckSpWp]: Trace formula consists of 323 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-02 13:05:43,061 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 13:05:45,040 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2023-12-02 13:05:45,216 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2023-12-02 13:05:45,458 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 19 [2023-12-02 13:05:45,513 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 22 [2023-12-02 13:05:45,663 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 0 proven. 216 refuted. 0 times theorem prover too weak. 624 trivial. 0 not checked. [2023-12-02 13:05:45,664 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 13:05:45,779 WARN L854 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_112 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse0 (store |c_#memory_int| |c_~#float_Array_0~0.base| v_ArrVal_112))) (= (select (select .cse0 |c_~#signed_long_int_Array_0~0.base|) |c_~#signed_long_int_Array_0~0.offset|) ((_ sign_extend 24) ((_ extract 7 0) (select (select .cse0 |c_~#signed_char_Array_0~0.base|) (bvadd (_ bv3 32) |c_~#signed_char_Array_0~0.offset|))))))) is different from false [2023-12-02 13:05:45,807 WARN L854 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_112 (Array (_ BitVec 32) (_ BitVec 32))) (|~#signed_long_int_Array_0~0.offset| (_ BitVec 32))) (let ((.cse1 (bvadd (_ bv3 32) |c_~#signed_char_Array_0~0.offset|))) (let ((.cse0 (store (store |c_#memory_int| |c_~#signed_long_int_Array_0~0.base| (store (select |c_#memory_int| |c_~#signed_long_int_Array_0~0.base|) |~#signed_long_int_Array_0~0.offset| ((_ sign_extend 24) ((_ extract 7 0) (select (select |c_#memory_int| |c_~#signed_char_Array_0~0.base|) .cse1))))) |c_~#float_Array_0~0.base| v_ArrVal_112))) (= (select (select .cse0 |c_~#signed_long_int_Array_0~0.base|) |~#signed_long_int_Array_0~0.offset|) ((_ sign_extend 24) ((_ extract 7 0) (select (select .cse0 |c_~#signed_char_Array_0~0.base|) .cse1))))))) is different from false [2023-12-02 13:05:45,864 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 13:05:45,864 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [931083675] [2023-12-02 13:05:45,864 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [931083675] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 13:05:45,864 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [232403229] [2023-12-02 13:05:45,864 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:05:45,865 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 13:05:45,865 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b082e23-1b0a-45ea-9f41-290528c3a744/bin/utaipan-verify-nQ1chXbOIh/cvc4 [2023-12-02 13:05:45,868 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b082e23-1b0a-45ea-9f41-290528c3a744/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 13:05:45,872 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b082e23-1b0a-45ea-9f41-290528c3a744/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2023-12-02 13:05:47,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:05:47,067 INFO L262 TraceCheckSpWp]: Trace formula consists of 323 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 13:05:47,073 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 13:05:48,613 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2023-12-02 13:05:48,804 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2023-12-02 13:05:49,059 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 19 [2023-12-02 13:05:49,090 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 22 [2023-12-02 13:05:49,210 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 0 proven. 216 refuted. 0 times theorem prover too weak. 624 trivial. 0 not checked. [2023-12-02 13:05:49,211 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 13:05:49,263 WARN L854 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_144 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse0 (store |c_#memory_int| |c_~#float_Array_0~0.base| v_ArrVal_144))) (= ((_ sign_extend 24) ((_ extract 7 0) (select (select .cse0 |c_~#signed_char_Array_0~0.base|) (bvadd (_ bv3 32) |c_~#signed_char_Array_0~0.offset|)))) (select (select .cse0 |c_~#signed_long_int_Array_0~0.base|) |c_~#signed_long_int_Array_0~0.offset|)))) is different from false [2023-12-02 13:05:49,286 WARN L854 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_144 (Array (_ BitVec 32) (_ BitVec 32))) (|~#signed_long_int_Array_0~0.offset| (_ BitVec 32))) (let ((.cse1 (bvadd (_ bv3 32) |c_~#signed_char_Array_0~0.offset|))) (let ((.cse0 (store (store |c_#memory_int| |c_~#signed_long_int_Array_0~0.base| (store (select |c_#memory_int| |c_~#signed_long_int_Array_0~0.base|) |~#signed_long_int_Array_0~0.offset| ((_ sign_extend 24) ((_ extract 7 0) (select (select |c_#memory_int| |c_~#signed_char_Array_0~0.base|) .cse1))))) |c_~#float_Array_0~0.base| v_ArrVal_144))) (= ((_ sign_extend 24) ((_ extract 7 0) (select (select .cse0 |c_~#signed_char_Array_0~0.base|) .cse1))) (select (select .cse0 |c_~#signed_long_int_Array_0~0.base|) |~#signed_long_int_Array_0~0.offset|))))) is different from false [2023-12-02 13:05:49,330 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [232403229] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 13:05:49,331 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [665752274] [2023-12-02 13:05:49,331 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:05:49,331 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 13:05:49,331 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b082e23-1b0a-45ea-9f41-290528c3a744/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 13:05:49,332 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b082e23-1b0a-45ea-9f41-290528c3a744/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 13:05:49,334 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b082e23-1b0a-45ea-9f41-290528c3a744/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-12-02 13:05:50,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:05:50,519 INFO L262 TraceCheckSpWp]: Trace formula consists of 323 conjuncts, 18 conjunts are in the unsatisfiable core [2023-12-02 13:05:50,525 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 13:05:51,893 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2023-12-02 13:05:52,046 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2023-12-02 13:05:52,204 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 19 [2023-12-02 13:05:52,230 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 22 [2023-12-02 13:05:52,322 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 6 proven. 261 refuted. 0 times theorem prover too weak. 573 trivial. 0 not checked. [2023-12-02 13:05:52,322 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 13:05:52,369 WARN L854 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_176 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse0 (store |c_#memory_int| |c_~#float_Array_0~0.base| v_ArrVal_176))) (= (select (select .cse0 |c_~#signed_long_int_Array_0~0.base|) |c_~#signed_long_int_Array_0~0.offset|) ((_ sign_extend 24) ((_ extract 7 0) (select (select .cse0 |c_~#signed_char_Array_0~0.base|) (bvadd (_ bv3 32) |c_~#signed_char_Array_0~0.offset|))))))) is different from false [2023-12-02 13:05:52,389 WARN L854 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_176 (Array (_ BitVec 32) (_ BitVec 32))) (|~#signed_long_int_Array_0~0.offset| (_ BitVec 32))) (let ((.cse1 (bvadd (_ bv3 32) |c_~#signed_char_Array_0~0.offset|))) (let ((.cse0 (store (store |c_#memory_int| |c_~#signed_long_int_Array_0~0.base| (store (select |c_#memory_int| |c_~#signed_long_int_Array_0~0.base|) |~#signed_long_int_Array_0~0.offset| ((_ sign_extend 24) ((_ extract 7 0) (select (select |c_#memory_int| |c_~#signed_char_Array_0~0.base|) .cse1))))) |c_~#float_Array_0~0.base| v_ArrVal_176))) (= ((_ sign_extend 24) ((_ extract 7 0) (select (select .cse0 |c_~#signed_char_Array_0~0.base|) .cse1))) (select (select .cse0 |c_~#signed_long_int_Array_0~0.base|) |~#signed_long_int_Array_0~0.offset|))))) is different from false [2023-12-02 13:05:52,429 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [665752274] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 13:05:52,429 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-12-02 13:05:52,429 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 9] total 9 [2023-12-02 13:05:52,430 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1546645410] [2023-12-02 13:05:52,430 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-12-02 13:05:52,431 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-12-02 13:05:52,431 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 13:05:52,431 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-12-02 13:05:52,432 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=107, Unknown=6, NotChecked=150, Total=306 [2023-12-02 13:05:52,432 INFO L87 Difference]: Start difference. First operand 113 states and 163 transitions. Second operand has 10 states, 10 states have (on average 6.0) internal successors, (60), 9 states have internal predecessors, (60), 2 states have call successors, (21), 2 states have call predecessors, (21), 3 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2023-12-02 13:05:57,212 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.00s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 13:05:58,271 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 13:05:58,271 INFO L93 Difference]: Finished difference Result 304 states and 437 transitions. [2023-12-02 13:05:58,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-12-02 13:05:58,273 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 6.0) internal successors, (60), 9 states have internal predecessors, (60), 2 states have call successors, (21), 2 states have call predecessors, (21), 3 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 156 [2023-12-02 13:05:58,274 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 13:05:58,275 INFO L225 Difference]: With dead ends: 304 [2023-12-02 13:05:58,276 INFO L226 Difference]: Without dead ends: 192 [2023-12-02 13:05:58,277 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 537 GetRequests, 515 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 6 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=95, Invalid=229, Unknown=6, NotChecked=222, Total=552 [2023-12-02 13:05:58,278 INFO L413 NwaCegarLoop]: 85 mSDtfsCounter, 299 mSDsluCounter, 393 mSDsCounter, 0 mSdLazyCounter, 704 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 302 SdHoareTripleChecker+Valid, 478 SdHoareTripleChecker+Invalid, 717 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 704 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.6s IncrementalHoareTripleChecker+Time [2023-12-02 13:05:58,278 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [302 Valid, 478 Invalid, 717 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 704 Invalid, 0 Unknown, 0 Unchecked, 5.6s Time] [2023-12-02 13:05:58,279 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 192 states. [2023-12-02 13:05:58,294 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 192 to 125. [2023-12-02 13:05:58,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 125 states, 102 states have (on average 1.3627450980392157) internal successors, (139), 102 states have internal predecessors, (139), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2023-12-02 13:05:58,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 125 states and 181 transitions. [2023-12-02 13:05:58,297 INFO L78 Accepts]: Start accepts. Automaton has 125 states and 181 transitions. Word has length 156 [2023-12-02 13:05:58,297 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 13:05:58,298 INFO L495 AbstractCegarLoop]: Abstraction has 125 states and 181 transitions. [2023-12-02 13:05:58,298 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 6.0) internal successors, (60), 9 states have internal predecessors, (60), 2 states have call successors, (21), 2 states have call predecessors, (21), 3 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2023-12-02 13:05:58,298 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 181 transitions. [2023-12-02 13:05:58,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2023-12-02 13:05:58,300 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 13:05:58,300 INFO L195 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 13:05:58,309 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b082e23-1b0a-45ea-9f41-290528c3a744/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Ended with exit code 0 [2023-12-02 13:05:58,507 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b082e23-1b0a-45ea-9f41-290528c3a744/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2023-12-02 13:05:58,716 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b082e23-1b0a-45ea-9f41-290528c3a744/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2023-12-02 13:05:58,901 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b082e23-1b0a-45ea-9f41-290528c3a744/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 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b082e23-1b0a-45ea-9f41-290528c3a744/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b082e23-1b0a-45ea-9f41-290528c3a744/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 13:05:58,901 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 13:05:58,902 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 13:05:58,902 INFO L85 PathProgramCache]: Analyzing trace with hash 1545530651, now seen corresponding path program 1 times [2023-12-02 13:05:58,902 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 13:05:58,903 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1995805139] [2023-12-02 13:05:58,903 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:05:58,903 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 13:05:58,903 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b082e23-1b0a-45ea-9f41-290528c3a744/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 13:05:58,904 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b082e23-1b0a-45ea-9f41-290528c3a744/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-02 13:05:58,904 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b082e23-1b0a-45ea-9f41-290528c3a744/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2023-12-02 13:05:59,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:05:59,632 INFO L262 TraceCheckSpWp]: Trace formula consists of 325 conjuncts, 43 conjunts are in the unsatisfiable core [2023-12-02 13:05:59,639 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 13:06:00,787 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2023-12-02 13:06:02,270 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 107 treesize of output 80 [2023-12-02 13:06:04,018 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 167 treesize of output 133 [2023-12-02 13:06:05,136 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 167 treesize of output 133 [2023-12-02 13:06:06,172 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 167 treesize of output 133 [2023-12-02 13:06:07,299 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 167 treesize of output 133 [2023-12-02 13:06:08,458 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 167 treesize of output 133 [2023-12-02 13:06:10,096 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 167 treesize of output 133 [2023-12-02 13:06:10,308 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 219 treesize of output 115 [2023-12-02 13:06:10,892 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 13:06:10,892 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 292 treesize of output 112 [2023-12-02 13:06:32,097 WARN L854 $PredicateComparison]: unable to prove that (exists ((v_arrayElimCell_31 (_ BitVec 32)) (v_arrayElimCell_30 (_ BitVec 32)) (v_arrayElimCell_29 (_ BitVec 32)) (v_arrayElimCell_28 (_ BitVec 32))) (let ((.cse2 (let ((.cse4 (concat v_arrayElimCell_29 v_arrayElimCell_30))) (fp ((_ extract 63 63) .cse4) ((_ extract 62 52) .cse4) ((_ extract 51 0) .cse4)))) (.cse1 ((_ to_fp 8 24) roundNearestTiesToEven (/ 1.0 100000000000000000000.0))) (.cse0 (fp ((_ extract 31 31) v_arrayElimCell_28) ((_ extract 30 23) v_arrayElimCell_28) ((_ extract 22 0) v_arrayElimCell_28))) (.cse3 (fp ((_ extract 31 31) v_arrayElimCell_31) ((_ extract 30 23) v_arrayElimCell_31) ((_ extract 22 0) v_arrayElimCell_31)))) (and (fp.leq .cse0 (fp.neg .cse1)) (not (fp.geq (fp.sub roundNearestTiesToEven .cse2 ((_ to_fp 11 53) roundNearestTiesToEven (fp.neg .cse3))) ((_ to_fp 11 53) roundNearestTiesToEven .cse3))) (fp.geq .cse0 (fp.neg ((_ to_fp 8 24) roundNearestTiesToEven 9223372036854765600.0))) (fp.geq .cse2 ((_ to_fp 11 53) roundNearestTiesToEven .cse1)) (= .cse0 .cse3)))) is different from false [2023-12-02 13:06:34,108 WARN L876 $PredicateComparison]: unable to prove that (exists ((v_arrayElimCell_31 (_ BitVec 32)) (v_arrayElimCell_30 (_ BitVec 32)) (v_arrayElimCell_29 (_ BitVec 32)) (v_arrayElimCell_28 (_ BitVec 32))) (let ((.cse2 (let ((.cse4 (concat v_arrayElimCell_29 v_arrayElimCell_30))) (fp ((_ extract 63 63) .cse4) ((_ extract 62 52) .cse4) ((_ extract 51 0) .cse4)))) (.cse1 ((_ to_fp 8 24) roundNearestTiesToEven (/ 1.0 100000000000000000000.0))) (.cse0 (fp ((_ extract 31 31) v_arrayElimCell_28) ((_ extract 30 23) v_arrayElimCell_28) ((_ extract 22 0) v_arrayElimCell_28))) (.cse3 (fp ((_ extract 31 31) v_arrayElimCell_31) ((_ extract 30 23) v_arrayElimCell_31) ((_ extract 22 0) v_arrayElimCell_31)))) (and (fp.leq .cse0 (fp.neg .cse1)) (not (fp.geq (fp.sub roundNearestTiesToEven .cse2 ((_ to_fp 11 53) roundNearestTiesToEven (fp.neg .cse3))) ((_ to_fp 11 53) roundNearestTiesToEven .cse3))) (fp.geq .cse0 (fp.neg ((_ to_fp 8 24) roundNearestTiesToEven 9223372036854765600.0))) (fp.geq .cse2 ((_ to_fp 11 53) roundNearestTiesToEven .cse1)) (= .cse0 .cse3)))) is different from true [2023-12-02 13:10:08,342 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 263 proven. 365 refuted. 0 times theorem prover too weak. 212 trivial. 0 not checked. [2023-12-02 13:10:08,342 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 13:12:52,275 WARN L293 SmtUtils]: Spent 7.75s on a formula simplification that was a NOOP. DAG size: 43 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-02 13:12:58,646 WARN L854 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_211 (Array (_ BitVec 32) (_ BitVec 32))) (|v_skolemized_q#valueAsBitvector_32| (_ BitVec 32))) (let ((.cse2 (store |c_#memory_int| |c_~#signed_long_int_Array_0~0.base| v_ArrVal_211))) (let ((.cse4 (fp ((_ extract 31 31) |v_skolemized_q#valueAsBitvector_32|) ((_ extract 30 23) |v_skolemized_q#valueAsBitvector_32|) ((_ extract 22 0) |v_skolemized_q#valueAsBitvector_32|))) (.cse3 (select .cse2 |c_~#float_Array_0~0.base|))) (or (fp.geq (fp.sub c_currentRoundingMode (let ((.cse0 (let ((.cse1 (select (store .cse2 |c_~#float_Array_0~0.base| (store .cse3 |c_~#float_Array_0~0.offset| |v_skolemized_q#valueAsBitvector_32|)) |c_~#double_Array_0~0.base|))) (concat (select .cse1 (bvadd (_ bv4 32) |c_~#double_Array_0~0.offset|)) (select .cse1 |c_~#double_Array_0~0.offset|))))) (fp ((_ extract 63 63) .cse0) ((_ extract 62 52) .cse0) ((_ extract 51 0) .cse0))) ((_ to_fp 11 53) c_currentRoundingMode (fp.neg .cse4))) ((_ to_fp 11 53) c_currentRoundingMode .cse4)) (not (fp.lt .cse4 ((_ to_fp 8 24) c_currentRoundingMode (_ bv0 32)))) (not (= .cse4 (let ((.cse5 (select .cse3 (bvadd (_ bv4 32) |c_~#float_Array_0~0.offset|)))) (fp ((_ extract 31 31) .cse5) ((_ extract 30 23) .cse5) ((_ extract 22 0) .cse5))))))))) is different from false [2023-12-02 13:13:00,694 WARN L876 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_211 (Array (_ BitVec 32) (_ BitVec 32))) (|v_skolemized_q#valueAsBitvector_32| (_ BitVec 32))) (let ((.cse2 (store |c_#memory_int| |c_~#signed_long_int_Array_0~0.base| v_ArrVal_211))) (let ((.cse4 (fp ((_ extract 31 31) |v_skolemized_q#valueAsBitvector_32|) ((_ extract 30 23) |v_skolemized_q#valueAsBitvector_32|) ((_ extract 22 0) |v_skolemized_q#valueAsBitvector_32|))) (.cse3 (select .cse2 |c_~#float_Array_0~0.base|))) (or (fp.geq (fp.sub c_currentRoundingMode (let ((.cse0 (let ((.cse1 (select (store .cse2 |c_~#float_Array_0~0.base| (store .cse3 |c_~#float_Array_0~0.offset| |v_skolemized_q#valueAsBitvector_32|)) |c_~#double_Array_0~0.base|))) (concat (select .cse1 (bvadd (_ bv4 32) |c_~#double_Array_0~0.offset|)) (select .cse1 |c_~#double_Array_0~0.offset|))))) (fp ((_ extract 63 63) .cse0) ((_ extract 62 52) .cse0) ((_ extract 51 0) .cse0))) ((_ to_fp 11 53) c_currentRoundingMode (fp.neg .cse4))) ((_ to_fp 11 53) c_currentRoundingMode .cse4)) (not (fp.lt .cse4 ((_ to_fp 8 24) c_currentRoundingMode (_ bv0 32)))) (not (= .cse4 (let ((.cse5 (select .cse3 (bvadd (_ bv4 32) |c_~#float_Array_0~0.offset|)))) (fp ((_ extract 31 31) .cse5) ((_ extract 30 23) .cse5) ((_ extract 22 0) .cse5))))))))) is different from true [2023-12-02 13:13:30,520 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 13:13:30,520 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1995805139] [2023-12-02 13:13:30,520 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1995805139] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 13:13:30,521 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [393568076] [2023-12-02 13:13:30,521 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:13:30,521 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 13:13:30,521 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b082e23-1b0a-45ea-9f41-290528c3a744/bin/utaipan-verify-nQ1chXbOIh/cvc4 [2023-12-02 13:13:30,522 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b082e23-1b0a-45ea-9f41-290528c3a744/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 13:13:30,524 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b082e23-1b0a-45ea-9f41-290528c3a744/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2023-12-02 13:13:31,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:13:31,683 INFO L262 TraceCheckSpWp]: Trace formula consists of 325 conjuncts, 16 conjunts are in the unsatisfiable core [2023-12-02 13:13:31,688 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 13:13:55,449 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2023-12-02 13:13:57,177 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2023-12-02 13:14:27,563 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 28 [2023-12-02 13:14:36,349 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 28 [2023-12-02 13:14:47,584 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 13:14:47,584 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 25 [2023-12-02 13:14:56,162 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 0 proven. 216 refuted. 0 times theorem prover too weak. 624 trivial. 0 not checked. [2023-12-02 13:14:56,162 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 13:15:16,957 WARN L854 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_244 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse0 (select (store |c_#memory_int| |c_~#float_Array_0~0.base| v_ArrVal_244) |c_~#signed_char_Array_0~0.base|))) (bvsgt ((_ sign_extend 24) ((_ extract 7 0) (select .cse0 (bvadd (_ bv1 32) |c_~#signed_char_Array_0~0.offset|)))) (bvadd ((_ sign_extend 24) ((_ extract 7 0) (select .cse0 (bvadd (_ bv2 32) |c_~#signed_char_Array_0~0.offset|)))) (bvneg ((_ sign_extend 24) ((_ extract 7 0) (select .cse0 |c_~#signed_char_Array_0~0.offset|)))))))) is different from false [2023-12-02 13:15:17,075 WARN L854 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_244 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_243 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse0 (select (store (store |c_#memory_int| |c_~#signed_long_int_Array_0~0.base| v_ArrVal_243) |c_~#float_Array_0~0.base| v_ArrVal_244) |c_~#signed_char_Array_0~0.base|))) (bvsgt ((_ sign_extend 24) ((_ extract 7 0) (select .cse0 (bvadd (_ bv1 32) |c_~#signed_char_Array_0~0.offset|)))) (bvadd ((_ sign_extend 24) ((_ extract 7 0) (select .cse0 (bvadd (_ bv2 32) |c_~#signed_char_Array_0~0.offset|)))) (bvneg ((_ sign_extend 24) ((_ extract 7 0) (select .cse0 |c_~#signed_char_Array_0~0.offset|)))))))) is different from false [2023-12-02 13:15:36,022 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [393568076] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 13:15:36,022 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [367529725] [2023-12-02 13:15:36,022 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:15:36,023 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 13:15:36,023 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b082e23-1b0a-45ea-9f41-290528c3a744/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 13:15:36,024 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b082e23-1b0a-45ea-9f41-290528c3a744/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 13:15:36,025 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b082e23-1b0a-45ea-9f41-290528c3a744/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2023-12-02 13:15:37,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:15:37,335 INFO L262 TraceCheckSpWp]: Trace formula consists of 325 conjuncts, 28 conjunts are in the unsatisfiable core [2023-12-02 13:15:37,340 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 13:16:29,521 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 23 [2023-12-02 13:17:21,301 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 13:17:21,302 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 45 treesize of output 41 [2023-12-02 13:17:36,209 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 13:17:36,209 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 49 treesize of output 39 [2023-12-02 13:17:39,932 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 29 [2023-12-02 13:18:15,744 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 66 treesize of output 51 [2023-12-02 13:18:26,389 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 66 treesize of output 51 [2023-12-02 13:18:37,723 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 13:18:37,723 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 86 treesize of output 38 [2023-12-02 13:18:47,214 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 365 proven. 249 refuted. 0 times theorem prover too weak. 226 trivial. 0 not checked. [2023-12-02 13:18:47,214 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 13:18:47,647 WARN L854 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_278 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse0 (select (store |c_#memory_int| |c_~#float_Array_0~0.base| v_ArrVal_278) |c_~#signed_char_Array_0~0.base|))) (bvsgt ((_ sign_extend 24) ((_ extract 7 0) (select .cse0 (bvadd (_ bv1 32) |c_~#signed_char_Array_0~0.offset|)))) (bvadd ((_ sign_extend 24) ((_ extract 7 0) (select .cse0 (bvadd (_ bv2 32) |c_~#signed_char_Array_0~0.offset|)))) (bvneg ((_ sign_extend 24) ((_ extract 7 0) (select .cse0 |c_~#signed_char_Array_0~0.offset|)))))))) is different from false [2023-12-02 13:18:47,766 WARN L854 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_277 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_278 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse0 (select (store (store |c_#memory_int| |c_~#signed_long_int_Array_0~0.base| v_ArrVal_277) |c_~#float_Array_0~0.base| v_ArrVal_278) |c_~#signed_char_Array_0~0.base|))) (bvsgt ((_ sign_extend 24) ((_ extract 7 0) (select .cse0 (bvadd (_ bv1 32) |c_~#signed_char_Array_0~0.offset|)))) (bvadd (bvneg ((_ sign_extend 24) ((_ extract 7 0) (select .cse0 |c_~#signed_char_Array_0~0.offset|)))) ((_ sign_extend 24) ((_ extract 7 0) (select .cse0 (bvadd (_ bv2 32) |c_~#signed_char_Array_0~0.offset|)))))))) is different from false [2023-12-02 13:19:02,627 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [367529725] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 13:19:02,627 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-12-02 13:19:02,627 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 8, 18] total 45 [2023-12-02 13:19:02,627 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1854940789] [2023-12-02 13:19:02,627 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-12-02 13:19:02,628 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 46 states [2023-12-02 13:19:02,628 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 13:19:02,630 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 46 interpolants. [2023-12-02 13:19:02,632 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=288, Invalid=2432, Unknown=60, NotChecked=642, Total=3422 [2023-12-02 13:19:02,632 INFO L87 Difference]: Start difference. First operand 125 states and 181 transitions. Second operand has 46 states, 43 states have (on average 3.883720930232558) internal successors, (167), 42 states have internal predecessors, (167), 13 states have call successors, (53), 12 states have call predecessors, (53), 13 states have return successors, (53), 11 states have call predecessors, (53), 13 states have call successors, (53)