./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-sp_file-23.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_c479da26-afce-48fc-9690-26016778ed8b/bin/utaipan-verify-nQ1chXbOIh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c479da26-afce-48fc-9690-26016778ed8b/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_c479da26-afce-48fc-9690-26016778ed8b/bin/utaipan-verify-nQ1chXbOIh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c479da26-afce-48fc-9690-26016778ed8b/bin/utaipan-verify-nQ1chXbOIh/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-sp_file-23.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c479da26-afce-48fc-9690-26016778ed8b/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_c479da26-afce-48fc-9690-26016778ed8b/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 6ff28b25634280706396cfbea7901c68a9db0fe007a7f115a9dd84fe21326a05 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 18:13:00,090 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 18:13:00,154 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c479da26-afce-48fc-9690-26016778ed8b/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-12-02 18:13:00,158 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 18:13:00,158 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-02 18:13:00,180 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 18:13:00,181 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-02 18:13:00,181 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-02 18:13:00,182 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 18:13:00,183 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-02 18:13:00,183 INFO L153 SettingsManager]: * User list type=DISABLED [2023-12-02 18:13:00,184 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-12-02 18:13:00,184 INFO L153 SettingsManager]: * Explicit value domain=true [2023-12-02 18:13:00,185 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-12-02 18:13:00,185 INFO L153 SettingsManager]: * Octagon Domain=false [2023-12-02 18:13:00,186 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-12-02 18:13:00,186 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-12-02 18:13:00,187 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-12-02 18:13:00,187 INFO L153 SettingsManager]: * Interval Domain=false [2023-12-02 18:13:00,188 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-12-02 18:13:00,188 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-12-02 18:13:00,189 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-12-02 18:13:00,190 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 18:13:00,190 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 18:13:00,191 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 18:13:00,191 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 18:13:00,191 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 18:13:00,192 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 18:13:00,192 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 18:13:00,193 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 18:13:00,193 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 18:13:00,193 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 18:13:00,194 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 18:13:00,194 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 18:13:00,194 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 18:13:00,194 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-02 18:13:00,195 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-02 18:13:00,195 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 18:13:00,195 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 18:13:00,195 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 18:13:00,196 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 18:13:00,196 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-12-02 18:13:00,196 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 18:13:00,196 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-02 18:13:00,197 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 18:13:00,197 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-12-02 18:13:00,197 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 18:13:00,197 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_c479da26-afce-48fc-9690-26016778ed8b/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c479da26-afce-48fc-9690-26016778ed8b/bin/utaipan-verify-nQ1chXbOIh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6ff28b25634280706396cfbea7901c68a9db0fe007a7f115a9dd84fe21326a05 [2023-12-02 18:13:00,423 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 18:13:00,444 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 18:13:00,446 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 18:13:00,448 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 18:13:00,448 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 18:13:00,449 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c479da26-afce-48fc-9690-26016778ed8b/bin/utaipan-verify-nQ1chXbOIh/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-sp_file-23.i [2023-12-02 18:13:03,225 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 18:13:03,400 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 18:13:03,400 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c479da26-afce-48fc-9690-26016778ed8b/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-sp_file-23.i [2023-12-02 18:13:03,411 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c479da26-afce-48fc-9690-26016778ed8b/bin/utaipan-verify-nQ1chXbOIh/data/9ed4d9cec/466f5f6feb394afbaa8170ebedc7d448/FLAG627706116 [2023-12-02 18:13:03,423 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c479da26-afce-48fc-9690-26016778ed8b/bin/utaipan-verify-nQ1chXbOIh/data/9ed4d9cec/466f5f6feb394afbaa8170ebedc7d448 [2023-12-02 18:13:03,425 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 18:13:03,427 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 18:13:03,428 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 18:13:03,428 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 18:13:03,432 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 18:13:03,433 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 06:13:03" (1/1) ... [2023-12-02 18:13:03,434 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1798f20a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:13:03, skipping insertion in model container [2023-12-02 18:13:03,435 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 06:13:03" (1/1) ... [2023-12-02 18:13:03,462 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 18:13:03,588 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_c479da26-afce-48fc-9690-26016778ed8b/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-sp_file-23.i[917,930] [2023-12-02 18:13:03,649 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 18:13:03,662 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 18:13:03,672 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_c479da26-afce-48fc-9690-26016778ed8b/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-sp_file-23.i[917,930] [2023-12-02 18:13:03,712 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 18:13:03,733 INFO L206 MainTranslator]: Completed translation [2023-12-02 18:13:03,733 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:13:03 WrapperNode [2023-12-02 18:13:03,733 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 18:13:03,734 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 18:13:03,734 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 18:13:03,734 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 18:13:03,740 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:13:03" (1/1) ... [2023-12-02 18:13:03,755 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:13:03" (1/1) ... [2023-12-02 18:13:03,796 INFO L138 Inliner]: procedures = 29, calls = 178, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 499 [2023-12-02 18:13:03,796 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 18:13:03,797 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 18:13:03,798 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 18:13:03,798 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 18:13:03,805 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:13:03" (1/1) ... [2023-12-02 18:13:03,805 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:13:03" (1/1) ... [2023-12-02 18:13:03,812 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:13:03" (1/1) ... [2023-12-02 18:13:03,813 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:13:03" (1/1) ... [2023-12-02 18:13:03,834 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:13:03" (1/1) ... [2023-12-02 18:13:03,840 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:13:03" (1/1) ... [2023-12-02 18:13:03,843 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:13:03" (1/1) ... [2023-12-02 18:13:03,846 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:13:03" (1/1) ... [2023-12-02 18:13:03,852 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 18:13:03,853 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 18:13:03,853 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 18:13:03,854 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 18:13:03,854 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:13:03" (1/1) ... [2023-12-02 18:13:03,861 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 18:13:03,876 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c479da26-afce-48fc-9690-26016778ed8b/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 18:13:03,888 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c479da26-afce-48fc-9690-26016778ed8b/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-12-02 18:13:03,900 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c479da26-afce-48fc-9690-26016778ed8b/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-12-02 18:13:03,925 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 18:13:03,925 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2023-12-02 18:13:03,926 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-12-02 18:13:03,926 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2023-12-02 18:13:03,926 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-12-02 18:13:03,926 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2023-12-02 18:13:03,926 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-02 18:13:03,926 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-02 18:13:03,927 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 18:13:03,927 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 18:13:03,927 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 18:13:04,042 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 18:13:04,044 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 18:13:04,497 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 18:13:05,000 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 18:13:05,000 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-02 18:13:05,002 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 06:13:05 BoogieIcfgContainer [2023-12-02 18:13:05,002 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 18:13:05,006 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-02 18:13:05,006 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-02 18:13:05,008 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-02 18:13:05,009 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 06:13:03" (1/3) ... [2023-12-02 18:13:05,009 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@20c02cbb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 06:13:05, skipping insertion in model container [2023-12-02 18:13:05,010 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:13:03" (2/3) ... [2023-12-02 18:13:05,010 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@20c02cbb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 06:13:05, skipping insertion in model container [2023-12-02 18:13:05,010 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 06:13:05" (3/3) ... [2023-12-02 18:13:05,012 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-sp_file-23.i [2023-12-02 18:13:05,026 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-02 18:13:05,026 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-02 18:13:05,067 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-02 18:13:05,072 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;@4b81f4ca, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-02 18:13:05,072 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-02 18:13:05,076 INFO L276 IsEmpty]: Start isEmpty. Operand has 49 states, 26 states have (on average 1.1153846153846154) internal successors, (29), 27 states have internal predecessors, (29), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2023-12-02 18:13:05,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-02 18:13:05,085 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 18:13:05,086 INFO L195 NwaCegarLoop]: trace histogram [20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 18:13:05,086 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 18:13:05,112 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 18:13:05,113 INFO L85 PathProgramCache]: Analyzing trace with hash -1771340623, now seen corresponding path program 1 times [2023-12-02 18:13:05,122 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 18:13:05,123 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [765560619] [2023-12-02 18:13:05,123 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 18:13:05,124 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 18:13:05,355 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-02 18:13:05,356 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [72296767] [2023-12-02 18:13:05,356 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 18:13:05,356 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 18:13:05,357 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c479da26-afce-48fc-9690-26016778ed8b/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 18:13:05,360 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c479da26-afce-48fc-9690-26016778ed8b/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 18:13:05,369 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c479da26-afce-48fc-9690-26016778ed8b/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-12-02 18:13:07,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 18:13:07,196 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 18:13:09,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 18:13:09,182 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-12-02 18:13:09,185 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-12-02 18:13:09,186 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-02 18:13:09,213 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c479da26-afce-48fc-9690-26016778ed8b/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-12-02 18:13:09,393 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c479da26-afce-48fc-9690-26016778ed8b/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-12-02 18:13:09,398 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-12-02 18:13:09,402 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-12-02 18:13:09,481 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem43 could not be translated [2023-12-02 18:13:09,484 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem43 could not be translated [2023-12-02 18:13:09,485 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem44 could not be translated [2023-12-02 18:13:09,487 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem44 could not be translated [2023-12-02 18:13:09,488 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem46 could not be translated [2023-12-02 18:13:09,489 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem46 could not be translated [2023-12-02 18:13:09,490 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem47 could not be translated [2023-12-02 18:13:09,492 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem47 could not be translated [2023-12-02 18:13:09,493 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem50 could not be translated [2023-12-02 18:13:09,493 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short54 could not be translated [2023-12-02 18:13:09,493 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short55 could not be translated [2023-12-02 18:13:09,494 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short51 could not be translated [2023-12-02 18:13:09,494 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem53 could not be translated [2023-12-02 18:13:09,494 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem49 could not be translated [2023-12-02 18:13:09,495 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem52 could not be translated [2023-12-02 18:13:09,496 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem50 could not be translated [2023-12-02 18:13:09,497 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem53 could not be translated [2023-12-02 18:13:09,497 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem49 could not be translated [2023-12-02 18:13:09,497 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short51 could not be translated [2023-12-02 18:13:09,498 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem52 could not be translated [2023-12-02 18:13:09,498 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short54 could not be translated [2023-12-02 18:13:09,498 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short55 could not be translated [2023-12-02 18:13:09,499 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short62 could not be translated [2023-12-02 18:13:09,499 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short59 could not be translated [2023-12-02 18:13:09,500 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem60 could not be translated [2023-12-02 18:13:09,500 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem58 could not be translated [2023-12-02 18:13:09,500 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem57 could not be translated [2023-12-02 18:13:09,500 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short63 could not be translated [2023-12-02 18:13:09,501 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem61 could not be translated [2023-12-02 18:13:09,502 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short59 could not be translated [2023-12-02 18:13:09,503 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem60 could not be translated [2023-12-02 18:13:09,503 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem58 could not be translated [2023-12-02 18:13:09,503 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem57 could not be translated [2023-12-02 18:13:09,504 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short62 could not be translated [2023-12-02 18:13:09,504 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem61 could not be translated [2023-12-02 18:13:09,504 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short63 could not be translated [2023-12-02 18:13:09,505 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem64 could not be translated [2023-12-02 18:13:09,506 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem64 could not be translated [2023-12-02 18:13:09,506 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short71 could not be translated [2023-12-02 18:13:09,507 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem69 could not be translated [2023-12-02 18:13:09,507 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem66 could not be translated [2023-12-02 18:13:09,507 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short72 could not be translated [2023-12-02 18:13:09,508 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short68 could not be translated [2023-12-02 18:13:09,508 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem67 could not be translated [2023-12-02 18:13:09,508 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem70 could not be translated [2023-12-02 18:13:09,509 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short71 could not be translated [2023-12-02 18:13:09,510 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem66 could not be translated [2023-12-02 18:13:09,510 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem67 could not be translated [2023-12-02 18:13:09,510 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem69 could not be translated [2023-12-02 18:13:09,510 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short72 could not be translated [2023-12-02 18:13:09,511 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short68 could not be translated [2023-12-02 18:13:09,511 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem70 could not be translated [2023-12-02 18:13:09,512 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short79 could not be translated [2023-12-02 18:13:09,512 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem74 could not be translated [2023-12-02 18:13:09,512 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem77 could not be translated [2023-12-02 18:13:09,513 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short76 could not be translated [2023-12-02 18:13:09,513 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem78 could not be translated [2023-12-02 18:13:09,513 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short80 could not be translated [2023-12-02 18:13:09,513 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem75 could not be translated [2023-12-02 18:13:09,514 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short80 could not be translated [2023-12-02 18:13:09,514 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem78 could not be translated [2023-12-02 18:13:09,515 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem77 could not be translated [2023-12-02 18:13:09,515 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short76 could not be translated [2023-12-02 18:13:09,515 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem74 could not be translated [2023-12-02 18:13:09,515 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem75 could not be translated [2023-12-02 18:13:09,516 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short79 could not be translated [2023-12-02 18:13:09,516 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short84 could not be translated [2023-12-02 18:13:09,517 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem83 could not be translated [2023-12-02 18:13:09,517 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem82 could not be translated [2023-12-02 18:13:09,517 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short87 could not be translated [2023-12-02 18:13:09,517 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem85 could not be translated [2023-12-02 18:13:09,517 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short88 could not be translated [2023-12-02 18:13:09,518 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem86 could not be translated [2023-12-02 18:13:09,518 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem85 could not be translated [2023-12-02 18:13:09,519 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem86 could not be translated [2023-12-02 18:13:09,519 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short84 could not be translated [2023-12-02 18:13:09,519 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem83 could not be translated [2023-12-02 18:13:09,520 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short87 could not be translated [2023-12-02 18:13:09,520 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short88 could not be translated [2023-12-02 18:13:09,520 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem82 could not be translated [2023-12-02 18:13:09,521 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem90 could not be translated [2023-12-02 18:13:09,521 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem90 could not be translated [2023-12-02 18:13:09,522 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem91 could not be translated [2023-12-02 18:13:09,523 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem91 could not be translated [2023-12-02 18:13:09,523 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem93 could not be translated [2023-12-02 18:13:09,524 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem93 could not be translated [2023-12-02 18:13:09,525 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem94 could not be translated [2023-12-02 18:13:09,526 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem94 could not be translated [2023-12-02 18:13:09,526 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem96 could not be translated [2023-12-02 18:13:09,527 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem96 could not be translated [2023-12-02 18:13:09,527 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem97 could not be translated [2023-12-02 18:13:09,528 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem97 could not be translated [2023-12-02 18:13:09,529 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem99 could not be translated [2023-12-02 18:13:09,530 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem99 could not be translated [2023-12-02 18:13:09,530 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem100 could not be translated [2023-12-02 18:13:09,531 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem100 could not be translated [2023-12-02 18:13:09,532 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem102 could not be translated [2023-12-02 18:13:09,532 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem102 could not be translated [2023-12-02 18:13:09,533 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem103 could not be translated [2023-12-02 18:13:09,534 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem103 could not be translated [2023-12-02 18:13:09,563 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 06:13:09 BoogieIcfgContainer [2023-12-02 18:13:09,563 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-02 18:13:09,564 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-02 18:13:09,564 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-02 18:13:09,565 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-02 18:13:09,565 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 06:13:05" (3/4) ... [2023-12-02 18:13:09,568 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-02 18:13:09,569 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-02 18:13:09,570 INFO L158 Benchmark]: Toolchain (without parser) took 6143.36ms. Allocated memory was 144.7MB in the beginning and 178.3MB in the end (delta: 33.6MB). Free memory was 107.5MB in the beginning and 103.9MB in the end (delta: 3.6MB). Peak memory consumption was 38.3MB. Max. memory is 16.1GB. [2023-12-02 18:13:09,571 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 107.0MB. Free memory is still 53.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 18:13:09,572 INFO L158 Benchmark]: CACSL2BoogieTranslator took 305.60ms. Allocated memory is still 144.7MB. Free memory was 107.1MB in the beginning and 90.7MB in the end (delta: 16.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-12-02 18:13:09,572 INFO L158 Benchmark]: Boogie Procedure Inliner took 62.61ms. Allocated memory is still 144.7MB. Free memory was 90.7MB in the beginning and 86.9MB in the end (delta: 3.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-12-02 18:13:09,573 INFO L158 Benchmark]: Boogie Preprocessor took 55.14ms. Allocated memory is still 144.7MB. Free memory was 86.9MB in the beginning and 84.1MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 18:13:09,574 INFO L158 Benchmark]: RCFGBuilder took 1148.99ms. Allocated memory is still 144.7MB. Free memory was 84.1MB in the beginning and 56.8MB in the end (delta: 27.3MB). Peak memory consumption was 37.3MB. Max. memory is 16.1GB. [2023-12-02 18:13:09,574 INFO L158 Benchmark]: TraceAbstraction took 4557.56ms. Allocated memory was 144.7MB in the beginning and 178.3MB in the end (delta: 33.6MB). Free memory was 55.9MB in the beginning and 103.9MB in the end (delta: -48.1MB). Peak memory consumption was 15.8MB. Max. memory is 16.1GB. [2023-12-02 18:13:09,575 INFO L158 Benchmark]: Witness Printer took 5.12ms. Allocated memory is still 178.3MB. Free memory is still 103.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 18:13:09,578 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 107.0MB. Free memory is still 53.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 305.60ms. Allocated memory is still 144.7MB. Free memory was 107.1MB in the beginning and 90.7MB in the end (delta: 16.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 62.61ms. Allocated memory is still 144.7MB. Free memory was 90.7MB in the beginning and 86.9MB in the end (delta: 3.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 55.14ms. Allocated memory is still 144.7MB. Free memory was 86.9MB in the beginning and 84.1MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1148.99ms. Allocated memory is still 144.7MB. Free memory was 84.1MB in the beginning and 56.8MB in the end (delta: 27.3MB). Peak memory consumption was 37.3MB. Max. memory is 16.1GB. * TraceAbstraction took 4557.56ms. Allocated memory was 144.7MB in the beginning and 178.3MB in the end (delta: 33.6MB). Free memory was 55.9MB in the beginning and 103.9MB in the end (delta: -48.1MB). Peak memory consumption was 15.8MB. Max. memory is 16.1GB. * Witness Printer took 5.12ms. Allocated memory is still 178.3MB. Free memory is still 103.9MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - 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~mem44 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem44 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~mem47 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem47 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem50 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short54 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short55 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short51 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem53 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem49 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem52 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem50 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem53 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem49 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short51 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem52 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short54 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short55 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short62 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short59 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem60 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem58 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem57 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short63 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem61 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short59 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem60 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem58 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem57 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short62 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem61 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short63 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem64 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem64 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short71 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem69 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem66 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short72 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short68 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem67 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem70 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short71 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem66 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem67 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem69 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short72 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short68 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem70 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short79 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem74 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem77 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short76 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem78 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short80 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem75 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short80 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem78 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem77 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short76 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem74 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem75 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short79 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short84 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem83 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem82 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short87 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem85 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short88 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem86 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem85 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem86 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short84 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem83 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short87 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short88 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem82 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem90 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem90 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem91 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem91 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem93 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem93 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem94 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem94 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem96 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem96 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem97 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem97 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem99 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem99 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem100 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem100 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem102 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem102 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem103 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem103 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 someBinaryFLOATComparisonOperation at line 82. Possible FailurePath: [L41] unsigned char isInitial = 0; [L42-L60] struct WrapperStruct00 WrapperStruct00 = { 0, 16, 64, 25, 1.2, 999.7, 1.4, 9.75, 1.75, 16, 1277342739, 1394088949, 0, 0, 0, 0, 0 }; [L61] unsigned long int* WrapperStruct00_var_1_1_Pointer = &(WrapperStruct00.var_1_1); [L62] unsigned long int* WrapperStruct00_var_1_2_Pointer = &(WrapperStruct00.var_1_2); [L63] unsigned long int* WrapperStruct00_var_1_3_Pointer = &(WrapperStruct00.var_1_3); [L64] unsigned long int* WrapperStruct00_var_1_4_Pointer = &(WrapperStruct00.var_1_4); [L65] float* WrapperStruct00_var_1_5_Pointer = &(WrapperStruct00.var_1_5); [L66] float* WrapperStruct00_var_1_6_Pointer = &(WrapperStruct00.var_1_6); [L67] float* WrapperStruct00_var_1_7_Pointer = &(WrapperStruct00.var_1_7); [L68] float* WrapperStruct00_var_1_8_Pointer = &(WrapperStruct00.var_1_8); [L69] float* WrapperStruct00_var_1_9_Pointer = &(WrapperStruct00.var_1_9); [L70] unsigned long int* WrapperStruct00_var_1_10_Pointer = &(WrapperStruct00.var_1_10); [L71] unsigned long int* WrapperStruct00_var_1_11_Pointer = &(WrapperStruct00.var_1_11); [L72] unsigned long int* WrapperStruct00_var_1_12_Pointer = &(WrapperStruct00.var_1_12); [L73] unsigned long int* WrapperStruct00_var_1_13_Pointer = &(WrapperStruct00.var_1_13); [L74] unsigned char* WrapperStruct00_var_1_14_Pointer = &(WrapperStruct00.var_1_14); [L75] unsigned char* WrapperStruct00_var_1_17_Pointer = &(WrapperStruct00.var_1_17); [L76] unsigned char* WrapperStruct00_var_1_18_Pointer = &(WrapperStruct00.var_1_18); [L77] unsigned char* WrapperStruct00_var_1_19_Pointer = &(WrapperStruct00.var_1_19); [L141] isInitial = 1 [L142] FCALL initially() [L143] COND TRUE 1 [L144] FCALL updateLastVariables() [L145] CALL updateVariables() [L101] WrapperStruct00.var_1_2 = __VERIFIER_nondet_ulong() [L102] EXPR WrapperStruct00.var_1_2 VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:36}, WrapperStruct00_var_1_11_Pointer={4:40}, WrapperStruct00_var_1_12_Pointer={4:44}, WrapperStruct00_var_1_13_Pointer={4:48}, WrapperStruct00_var_1_14_Pointer={4:52}, WrapperStruct00_var_1_17_Pointer={4:53}, WrapperStruct00_var_1_18_Pointer={4:54}, WrapperStruct00_var_1_19_Pointer={4:55}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_2_Pointer={4:4}, WrapperStruct00_var_1_3_Pointer={4:8}, WrapperStruct00_var_1_4_Pointer={4:12}, WrapperStruct00_var_1_5_Pointer={4:16}, WrapperStruct00_var_1_6_Pointer={4:20}, WrapperStruct00_var_1_7_Pointer={4:24}, WrapperStruct00_var_1_8_Pointer={4:28}, WrapperStruct00_var_1_9_Pointer={4:32}, isInitial=1] [L102] CALL assume_abort_if_not(WrapperStruct00.var_1_2 >= 0) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:36}, WrapperStruct00_var_1_11_Pointer={4:40}, WrapperStruct00_var_1_12_Pointer={4:44}, WrapperStruct00_var_1_13_Pointer={4:48}, WrapperStruct00_var_1_14_Pointer={4:52}, WrapperStruct00_var_1_17_Pointer={4:53}, WrapperStruct00_var_1_18_Pointer={4:54}, WrapperStruct00_var_1_19_Pointer={4:55}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_2_Pointer={4:4}, WrapperStruct00_var_1_3_Pointer={4:8}, WrapperStruct00_var_1_4_Pointer={4:12}, WrapperStruct00_var_1_5_Pointer={4:16}, WrapperStruct00_var_1_6_Pointer={4:20}, WrapperStruct00_var_1_7_Pointer={4:24}, WrapperStruct00_var_1_8_Pointer={4:28}, WrapperStruct00_var_1_9_Pointer={4:32}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) [L102] RET assume_abort_if_not(WrapperStruct00.var_1_2 >= 0) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:36}, WrapperStruct00_var_1_11_Pointer={4:40}, WrapperStruct00_var_1_12_Pointer={4:44}, WrapperStruct00_var_1_13_Pointer={4:48}, WrapperStruct00_var_1_14_Pointer={4:52}, WrapperStruct00_var_1_17_Pointer={4:53}, WrapperStruct00_var_1_18_Pointer={4:54}, WrapperStruct00_var_1_19_Pointer={4:55}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_2_Pointer={4:4}, WrapperStruct00_var_1_3_Pointer={4:8}, WrapperStruct00_var_1_4_Pointer={4:12}, WrapperStruct00_var_1_5_Pointer={4:16}, WrapperStruct00_var_1_6_Pointer={4:20}, WrapperStruct00_var_1_7_Pointer={4:24}, WrapperStruct00_var_1_8_Pointer={4:28}, WrapperStruct00_var_1_9_Pointer={4:32}, isInitial=1] [L103] EXPR WrapperStruct00.var_1_2 VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:36}, WrapperStruct00_var_1_11_Pointer={4:40}, WrapperStruct00_var_1_12_Pointer={4:44}, WrapperStruct00_var_1_13_Pointer={4:48}, WrapperStruct00_var_1_14_Pointer={4:52}, WrapperStruct00_var_1_17_Pointer={4:53}, WrapperStruct00_var_1_18_Pointer={4:54}, WrapperStruct00_var_1_19_Pointer={4:55}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_2_Pointer={4:4}, WrapperStruct00_var_1_3_Pointer={4:8}, WrapperStruct00_var_1_4_Pointer={4:12}, WrapperStruct00_var_1_5_Pointer={4:16}, WrapperStruct00_var_1_6_Pointer={4:20}, WrapperStruct00_var_1_7_Pointer={4:24}, WrapperStruct00_var_1_8_Pointer={4:28}, WrapperStruct00_var_1_9_Pointer={4:32}, isInitial=1] [L103] CALL assume_abort_if_not(WrapperStruct00.var_1_2 <= 4294967294) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:36}, WrapperStruct00_var_1_11_Pointer={4:40}, WrapperStruct00_var_1_12_Pointer={4:44}, WrapperStruct00_var_1_13_Pointer={4:48}, WrapperStruct00_var_1_14_Pointer={4:52}, WrapperStruct00_var_1_17_Pointer={4:53}, WrapperStruct00_var_1_18_Pointer={4:54}, WrapperStruct00_var_1_19_Pointer={4:55}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_2_Pointer={4:4}, WrapperStruct00_var_1_3_Pointer={4:8}, WrapperStruct00_var_1_4_Pointer={4:12}, WrapperStruct00_var_1_5_Pointer={4:16}, WrapperStruct00_var_1_6_Pointer={4:20}, WrapperStruct00_var_1_7_Pointer={4:24}, WrapperStruct00_var_1_8_Pointer={4:28}, WrapperStruct00_var_1_9_Pointer={4:32}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) [L103] RET assume_abort_if_not(WrapperStruct00.var_1_2 <= 4294967294) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:36}, WrapperStruct00_var_1_11_Pointer={4:40}, WrapperStruct00_var_1_12_Pointer={4:44}, WrapperStruct00_var_1_13_Pointer={4:48}, WrapperStruct00_var_1_14_Pointer={4:52}, WrapperStruct00_var_1_17_Pointer={4:53}, WrapperStruct00_var_1_18_Pointer={4:54}, WrapperStruct00_var_1_19_Pointer={4:55}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_2_Pointer={4:4}, WrapperStruct00_var_1_3_Pointer={4:8}, WrapperStruct00_var_1_4_Pointer={4:12}, WrapperStruct00_var_1_5_Pointer={4:16}, WrapperStruct00_var_1_6_Pointer={4:20}, WrapperStruct00_var_1_7_Pointer={4:24}, WrapperStruct00_var_1_8_Pointer={4:28}, WrapperStruct00_var_1_9_Pointer={4:32}, isInitial=1] [L104] WrapperStruct00.var_1_3 = __VERIFIER_nondet_ulong() [L105] EXPR WrapperStruct00.var_1_3 VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:36}, WrapperStruct00_var_1_11_Pointer={4:40}, WrapperStruct00_var_1_12_Pointer={4:44}, WrapperStruct00_var_1_13_Pointer={4:48}, WrapperStruct00_var_1_14_Pointer={4:52}, WrapperStruct00_var_1_17_Pointer={4:53}, WrapperStruct00_var_1_18_Pointer={4:54}, WrapperStruct00_var_1_19_Pointer={4:55}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_2_Pointer={4:4}, WrapperStruct00_var_1_3_Pointer={4:8}, WrapperStruct00_var_1_4_Pointer={4:12}, WrapperStruct00_var_1_5_Pointer={4:16}, WrapperStruct00_var_1_6_Pointer={4:20}, WrapperStruct00_var_1_7_Pointer={4:24}, WrapperStruct00_var_1_8_Pointer={4:28}, WrapperStruct00_var_1_9_Pointer={4:32}, isInitial=1] [L105] CALL assume_abort_if_not(WrapperStruct00.var_1_3 >= 0) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:36}, WrapperStruct00_var_1_11_Pointer={4:40}, WrapperStruct00_var_1_12_Pointer={4:44}, WrapperStruct00_var_1_13_Pointer={4:48}, WrapperStruct00_var_1_14_Pointer={4:52}, WrapperStruct00_var_1_17_Pointer={4:53}, WrapperStruct00_var_1_18_Pointer={4:54}, WrapperStruct00_var_1_19_Pointer={4:55}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_2_Pointer={4:4}, WrapperStruct00_var_1_3_Pointer={4:8}, WrapperStruct00_var_1_4_Pointer={4:12}, WrapperStruct00_var_1_5_Pointer={4:16}, WrapperStruct00_var_1_6_Pointer={4:20}, WrapperStruct00_var_1_7_Pointer={4:24}, WrapperStruct00_var_1_8_Pointer={4:28}, WrapperStruct00_var_1_9_Pointer={4:32}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) [L105] RET assume_abort_if_not(WrapperStruct00.var_1_3 >= 0) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:36}, WrapperStruct00_var_1_11_Pointer={4:40}, WrapperStruct00_var_1_12_Pointer={4:44}, WrapperStruct00_var_1_13_Pointer={4:48}, WrapperStruct00_var_1_14_Pointer={4:52}, WrapperStruct00_var_1_17_Pointer={4:53}, WrapperStruct00_var_1_18_Pointer={4:54}, WrapperStruct00_var_1_19_Pointer={4:55}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_2_Pointer={4:4}, WrapperStruct00_var_1_3_Pointer={4:8}, WrapperStruct00_var_1_4_Pointer={4:12}, WrapperStruct00_var_1_5_Pointer={4:16}, WrapperStruct00_var_1_6_Pointer={4:20}, WrapperStruct00_var_1_7_Pointer={4:24}, WrapperStruct00_var_1_8_Pointer={4:28}, WrapperStruct00_var_1_9_Pointer={4:32}, isInitial=1] [L106] EXPR WrapperStruct00.var_1_3 VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:36}, WrapperStruct00_var_1_11_Pointer={4:40}, WrapperStruct00_var_1_12_Pointer={4:44}, WrapperStruct00_var_1_13_Pointer={4:48}, WrapperStruct00_var_1_14_Pointer={4:52}, WrapperStruct00_var_1_17_Pointer={4:53}, WrapperStruct00_var_1_18_Pointer={4:54}, WrapperStruct00_var_1_19_Pointer={4:55}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_2_Pointer={4:4}, WrapperStruct00_var_1_3_Pointer={4:8}, WrapperStruct00_var_1_4_Pointer={4:12}, WrapperStruct00_var_1_5_Pointer={4:16}, WrapperStruct00_var_1_6_Pointer={4:20}, WrapperStruct00_var_1_7_Pointer={4:24}, WrapperStruct00_var_1_8_Pointer={4:28}, WrapperStruct00_var_1_9_Pointer={4:32}, isInitial=1] [L106] CALL assume_abort_if_not(WrapperStruct00.var_1_3 <= 4294967294) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:36}, WrapperStruct00_var_1_11_Pointer={4:40}, WrapperStruct00_var_1_12_Pointer={4:44}, WrapperStruct00_var_1_13_Pointer={4:48}, WrapperStruct00_var_1_14_Pointer={4:52}, WrapperStruct00_var_1_17_Pointer={4:53}, WrapperStruct00_var_1_18_Pointer={4:54}, WrapperStruct00_var_1_19_Pointer={4:55}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_2_Pointer={4:4}, WrapperStruct00_var_1_3_Pointer={4:8}, WrapperStruct00_var_1_4_Pointer={4:12}, WrapperStruct00_var_1_5_Pointer={4:16}, WrapperStruct00_var_1_6_Pointer={4:20}, WrapperStruct00_var_1_7_Pointer={4:24}, WrapperStruct00_var_1_8_Pointer={4:28}, WrapperStruct00_var_1_9_Pointer={4:32}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) [L106] RET assume_abort_if_not(WrapperStruct00.var_1_3 <= 4294967294) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:36}, WrapperStruct00_var_1_11_Pointer={4:40}, WrapperStruct00_var_1_12_Pointer={4:44}, WrapperStruct00_var_1_13_Pointer={4:48}, WrapperStruct00_var_1_14_Pointer={4:52}, WrapperStruct00_var_1_17_Pointer={4:53}, WrapperStruct00_var_1_18_Pointer={4:54}, WrapperStruct00_var_1_19_Pointer={4:55}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_2_Pointer={4:4}, WrapperStruct00_var_1_3_Pointer={4:8}, WrapperStruct00_var_1_4_Pointer={4:12}, WrapperStruct00_var_1_5_Pointer={4:16}, WrapperStruct00_var_1_6_Pointer={4:20}, WrapperStruct00_var_1_7_Pointer={4:24}, WrapperStruct00_var_1_8_Pointer={4:28}, WrapperStruct00_var_1_9_Pointer={4:32}, isInitial=1] [L107] WrapperStruct00.var_1_5 = __VERIFIER_nondet_float() [L108] EXPR WrapperStruct00.var_1_5 [L108] EXPR WrapperStruct00.var_1_5 >= -922337.2036854776000e+13F && WrapperStruct00.var_1_5 <= -1.0e-20F [L108] EXPR (WrapperStruct00.var_1_5 >= -922337.2036854776000e+13F && WrapperStruct00.var_1_5 <= -1.0e-20F) || (WrapperStruct00.var_1_5 <= 9223372.036854776000e+12F && WrapperStruct00.var_1_5 >= 1.0e-20F ) [L108] EXPR WrapperStruct00.var_1_5 [L108] EXPR WrapperStruct00.var_1_5 <= 9223372.036854776000e+12F && WrapperStruct00.var_1_5 >= 1.0e-20F [L108] EXPR WrapperStruct00.var_1_5 [L108] EXPR WrapperStruct00.var_1_5 <= 9223372.036854776000e+12F && WrapperStruct00.var_1_5 >= 1.0e-20F [L108] EXPR (WrapperStruct00.var_1_5 >= -922337.2036854776000e+13F && WrapperStruct00.var_1_5 <= -1.0e-20F) || (WrapperStruct00.var_1_5 <= 9223372.036854776000e+12F && WrapperStruct00.var_1_5 >= 1.0e-20F ) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:36}, WrapperStruct00_var_1_11_Pointer={4:40}, WrapperStruct00_var_1_12_Pointer={4:44}, WrapperStruct00_var_1_13_Pointer={4:48}, WrapperStruct00_var_1_14_Pointer={4:52}, WrapperStruct00_var_1_17_Pointer={4:53}, WrapperStruct00_var_1_18_Pointer={4:54}, WrapperStruct00_var_1_19_Pointer={4:55}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_2_Pointer={4:4}, WrapperStruct00_var_1_3_Pointer={4:8}, WrapperStruct00_var_1_4_Pointer={4:12}, WrapperStruct00_var_1_5_Pointer={4:16}, WrapperStruct00_var_1_6_Pointer={4:20}, WrapperStruct00_var_1_7_Pointer={4:24}, WrapperStruct00_var_1_8_Pointer={4:28}, WrapperStruct00_var_1_9_Pointer={4:32}, isInitial=1] [L108] CALL assume_abort_if_not((WrapperStruct00.var_1_5 >= -922337.2036854776000e+13F && WrapperStruct00.var_1_5 <= -1.0e-20F) || (WrapperStruct00.var_1_5 <= 9223372.036854776000e+12F && WrapperStruct00.var_1_5 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:36}, WrapperStruct00_var_1_11_Pointer={4:40}, WrapperStruct00_var_1_12_Pointer={4:44}, WrapperStruct00_var_1_13_Pointer={4:48}, WrapperStruct00_var_1_14_Pointer={4:52}, WrapperStruct00_var_1_17_Pointer={4:53}, WrapperStruct00_var_1_18_Pointer={4:54}, WrapperStruct00_var_1_19_Pointer={4:55}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_2_Pointer={4:4}, WrapperStruct00_var_1_3_Pointer={4:8}, WrapperStruct00_var_1_4_Pointer={4:12}, WrapperStruct00_var_1_5_Pointer={4:16}, WrapperStruct00_var_1_6_Pointer={4:20}, WrapperStruct00_var_1_7_Pointer={4:24}, WrapperStruct00_var_1_8_Pointer={4:28}, WrapperStruct00_var_1_9_Pointer={4:32}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) [L108] RET assume_abort_if_not((WrapperStruct00.var_1_5 >= -922337.2036854776000e+13F && WrapperStruct00.var_1_5 <= -1.0e-20F) || (WrapperStruct00.var_1_5 <= 9223372.036854776000e+12F && WrapperStruct00.var_1_5 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:36}, WrapperStruct00_var_1_11_Pointer={4:40}, WrapperStruct00_var_1_12_Pointer={4:44}, WrapperStruct00_var_1_13_Pointer={4:48}, WrapperStruct00_var_1_14_Pointer={4:52}, WrapperStruct00_var_1_17_Pointer={4:53}, WrapperStruct00_var_1_18_Pointer={4:54}, WrapperStruct00_var_1_19_Pointer={4:55}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_2_Pointer={4:4}, WrapperStruct00_var_1_3_Pointer={4:8}, WrapperStruct00_var_1_4_Pointer={4:12}, WrapperStruct00_var_1_5_Pointer={4:16}, WrapperStruct00_var_1_6_Pointer={4:20}, WrapperStruct00_var_1_7_Pointer={4:24}, WrapperStruct00_var_1_8_Pointer={4:28}, WrapperStruct00_var_1_9_Pointer={4:32}, isInitial=1] [L109] WrapperStruct00.var_1_6 = __VERIFIER_nondet_float() [L110] EXPR WrapperStruct00.var_1_6 [L110] EXPR WrapperStruct00.var_1_6 >= -922337.2036854776000e+13F && WrapperStruct00.var_1_6 <= -1.0e-20F [L110] EXPR (WrapperStruct00.var_1_6 >= -922337.2036854776000e+13F && WrapperStruct00.var_1_6 <= -1.0e-20F) || (WrapperStruct00.var_1_6 <= 9223372.036854776000e+12F && WrapperStruct00.var_1_6 >= 1.0e-20F ) [L110] EXPR WrapperStruct00.var_1_6 [L110] EXPR WrapperStruct00.var_1_6 <= 9223372.036854776000e+12F && WrapperStruct00.var_1_6 >= 1.0e-20F [L110] EXPR WrapperStruct00.var_1_6 [L110] EXPR WrapperStruct00.var_1_6 <= 9223372.036854776000e+12F && WrapperStruct00.var_1_6 >= 1.0e-20F [L110] EXPR (WrapperStruct00.var_1_6 >= -922337.2036854776000e+13F && WrapperStruct00.var_1_6 <= -1.0e-20F) || (WrapperStruct00.var_1_6 <= 9223372.036854776000e+12F && WrapperStruct00.var_1_6 >= 1.0e-20F ) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:36}, WrapperStruct00_var_1_11_Pointer={4:40}, WrapperStruct00_var_1_12_Pointer={4:44}, WrapperStruct00_var_1_13_Pointer={4:48}, WrapperStruct00_var_1_14_Pointer={4:52}, WrapperStruct00_var_1_17_Pointer={4:53}, WrapperStruct00_var_1_18_Pointer={4:54}, WrapperStruct00_var_1_19_Pointer={4:55}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_2_Pointer={4:4}, WrapperStruct00_var_1_3_Pointer={4:8}, WrapperStruct00_var_1_4_Pointer={4:12}, WrapperStruct00_var_1_5_Pointer={4:16}, WrapperStruct00_var_1_6_Pointer={4:20}, WrapperStruct00_var_1_7_Pointer={4:24}, WrapperStruct00_var_1_8_Pointer={4:28}, WrapperStruct00_var_1_9_Pointer={4:32}, isInitial=1] [L110] CALL assume_abort_if_not((WrapperStruct00.var_1_6 >= -922337.2036854776000e+13F && WrapperStruct00.var_1_6 <= -1.0e-20F) || (WrapperStruct00.var_1_6 <= 9223372.036854776000e+12F && WrapperStruct00.var_1_6 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:36}, WrapperStruct00_var_1_11_Pointer={4:40}, WrapperStruct00_var_1_12_Pointer={4:44}, WrapperStruct00_var_1_13_Pointer={4:48}, WrapperStruct00_var_1_14_Pointer={4:52}, WrapperStruct00_var_1_17_Pointer={4:53}, WrapperStruct00_var_1_18_Pointer={4:54}, WrapperStruct00_var_1_19_Pointer={4:55}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_2_Pointer={4:4}, WrapperStruct00_var_1_3_Pointer={4:8}, WrapperStruct00_var_1_4_Pointer={4:12}, WrapperStruct00_var_1_5_Pointer={4:16}, WrapperStruct00_var_1_6_Pointer={4:20}, WrapperStruct00_var_1_7_Pointer={4:24}, WrapperStruct00_var_1_8_Pointer={4:28}, WrapperStruct00_var_1_9_Pointer={4:32}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) [L110] RET assume_abort_if_not((WrapperStruct00.var_1_6 >= -922337.2036854776000e+13F && WrapperStruct00.var_1_6 <= -1.0e-20F) || (WrapperStruct00.var_1_6 <= 9223372.036854776000e+12F && WrapperStruct00.var_1_6 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:36}, WrapperStruct00_var_1_11_Pointer={4:40}, WrapperStruct00_var_1_12_Pointer={4:44}, WrapperStruct00_var_1_13_Pointer={4:48}, WrapperStruct00_var_1_14_Pointer={4:52}, WrapperStruct00_var_1_17_Pointer={4:53}, WrapperStruct00_var_1_18_Pointer={4:54}, WrapperStruct00_var_1_19_Pointer={4:55}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_2_Pointer={4:4}, WrapperStruct00_var_1_3_Pointer={4:8}, WrapperStruct00_var_1_4_Pointer={4:12}, WrapperStruct00_var_1_5_Pointer={4:16}, WrapperStruct00_var_1_6_Pointer={4:20}, WrapperStruct00_var_1_7_Pointer={4:24}, WrapperStruct00_var_1_8_Pointer={4:28}, WrapperStruct00_var_1_9_Pointer={4:32}, isInitial=1] [L111] EXPR WrapperStruct00.var_1_6 VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:36}, WrapperStruct00_var_1_11_Pointer={4:40}, WrapperStruct00_var_1_12_Pointer={4:44}, WrapperStruct00_var_1_13_Pointer={4:48}, WrapperStruct00_var_1_14_Pointer={4:52}, WrapperStruct00_var_1_17_Pointer={4:53}, WrapperStruct00_var_1_18_Pointer={4:54}, WrapperStruct00_var_1_19_Pointer={4:55}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_2_Pointer={4:4}, WrapperStruct00_var_1_3_Pointer={4:8}, WrapperStruct00_var_1_4_Pointer={4:12}, WrapperStruct00_var_1_5_Pointer={4:16}, WrapperStruct00_var_1_6_Pointer={4:20}, WrapperStruct00_var_1_7_Pointer={4:24}, WrapperStruct00_var_1_8_Pointer={4:28}, WrapperStruct00_var_1_9_Pointer={4:32}, isInitial=1] [L111] CALL assume_abort_if_not(WrapperStruct00.var_1_6 != 0.0F) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:36}, WrapperStruct00_var_1_11_Pointer={4:40}, WrapperStruct00_var_1_12_Pointer={4:44}, WrapperStruct00_var_1_13_Pointer={4:48}, WrapperStruct00_var_1_14_Pointer={4:52}, WrapperStruct00_var_1_17_Pointer={4:53}, WrapperStruct00_var_1_18_Pointer={4:54}, WrapperStruct00_var_1_19_Pointer={4:55}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_2_Pointer={4:4}, WrapperStruct00_var_1_3_Pointer={4:8}, WrapperStruct00_var_1_4_Pointer={4:12}, WrapperStruct00_var_1_5_Pointer={4:16}, WrapperStruct00_var_1_6_Pointer={4:20}, WrapperStruct00_var_1_7_Pointer={4:24}, WrapperStruct00_var_1_8_Pointer={4:28}, WrapperStruct00_var_1_9_Pointer={4:32}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) [L111] RET assume_abort_if_not(WrapperStruct00.var_1_6 != 0.0F) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:36}, WrapperStruct00_var_1_11_Pointer={4:40}, WrapperStruct00_var_1_12_Pointer={4:44}, WrapperStruct00_var_1_13_Pointer={4:48}, WrapperStruct00_var_1_14_Pointer={4:52}, WrapperStruct00_var_1_17_Pointer={4:53}, WrapperStruct00_var_1_18_Pointer={4:54}, WrapperStruct00_var_1_19_Pointer={4:55}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_2_Pointer={4:4}, WrapperStruct00_var_1_3_Pointer={4:8}, WrapperStruct00_var_1_4_Pointer={4:12}, WrapperStruct00_var_1_5_Pointer={4:16}, WrapperStruct00_var_1_6_Pointer={4:20}, WrapperStruct00_var_1_7_Pointer={4:24}, WrapperStruct00_var_1_8_Pointer={4:28}, WrapperStruct00_var_1_9_Pointer={4:32}, isInitial=1] [L112] WrapperStruct00.var_1_7 = __VERIFIER_nondet_float() [L113] EXPR WrapperStruct00.var_1_7 [L113] EXPR WrapperStruct00.var_1_7 >= -922337.2036854776000e+13F && WrapperStruct00.var_1_7 <= -1.0e-20F [L113] EXPR WrapperStruct00.var_1_7 [L113] EXPR WrapperStruct00.var_1_7 >= -922337.2036854776000e+13F && WrapperStruct00.var_1_7 <= -1.0e-20F [L113] EXPR (WrapperStruct00.var_1_7 >= -922337.2036854776000e+13F && WrapperStruct00.var_1_7 <= -1.0e-20F) || (WrapperStruct00.var_1_7 <= 9223372.036854776000e+12F && WrapperStruct00.var_1_7 >= 1.0e-20F ) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:36}, WrapperStruct00_var_1_11_Pointer={4:40}, WrapperStruct00_var_1_12_Pointer={4:44}, WrapperStruct00_var_1_13_Pointer={4:48}, WrapperStruct00_var_1_14_Pointer={4:52}, WrapperStruct00_var_1_17_Pointer={4:53}, WrapperStruct00_var_1_18_Pointer={4:54}, WrapperStruct00_var_1_19_Pointer={4:55}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_2_Pointer={4:4}, WrapperStruct00_var_1_3_Pointer={4:8}, WrapperStruct00_var_1_4_Pointer={4:12}, WrapperStruct00_var_1_5_Pointer={4:16}, WrapperStruct00_var_1_6_Pointer={4:20}, WrapperStruct00_var_1_7_Pointer={4:24}, WrapperStruct00_var_1_8_Pointer={4:28}, WrapperStruct00_var_1_9_Pointer={4:32}, isInitial=1] [L113] CALL assume_abort_if_not((WrapperStruct00.var_1_7 >= -922337.2036854776000e+13F && WrapperStruct00.var_1_7 <= -1.0e-20F) || (WrapperStruct00.var_1_7 <= 9223372.036854776000e+12F && WrapperStruct00.var_1_7 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:36}, WrapperStruct00_var_1_11_Pointer={4:40}, WrapperStruct00_var_1_12_Pointer={4:44}, WrapperStruct00_var_1_13_Pointer={4:48}, WrapperStruct00_var_1_14_Pointer={4:52}, WrapperStruct00_var_1_17_Pointer={4:53}, WrapperStruct00_var_1_18_Pointer={4:54}, WrapperStruct00_var_1_19_Pointer={4:55}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_2_Pointer={4:4}, WrapperStruct00_var_1_3_Pointer={4:8}, WrapperStruct00_var_1_4_Pointer={4:12}, WrapperStruct00_var_1_5_Pointer={4:16}, WrapperStruct00_var_1_6_Pointer={4:20}, WrapperStruct00_var_1_7_Pointer={4:24}, WrapperStruct00_var_1_8_Pointer={4:28}, WrapperStruct00_var_1_9_Pointer={4:32}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) [L113] RET assume_abort_if_not((WrapperStruct00.var_1_7 >= -922337.2036854776000e+13F && WrapperStruct00.var_1_7 <= -1.0e-20F) || (WrapperStruct00.var_1_7 <= 9223372.036854776000e+12F && WrapperStruct00.var_1_7 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:36}, WrapperStruct00_var_1_11_Pointer={4:40}, WrapperStruct00_var_1_12_Pointer={4:44}, WrapperStruct00_var_1_13_Pointer={4:48}, WrapperStruct00_var_1_14_Pointer={4:52}, WrapperStruct00_var_1_17_Pointer={4:53}, WrapperStruct00_var_1_18_Pointer={4:54}, WrapperStruct00_var_1_19_Pointer={4:55}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_2_Pointer={4:4}, WrapperStruct00_var_1_3_Pointer={4:8}, WrapperStruct00_var_1_4_Pointer={4:12}, WrapperStruct00_var_1_5_Pointer={4:16}, WrapperStruct00_var_1_6_Pointer={4:20}, WrapperStruct00_var_1_7_Pointer={4:24}, WrapperStruct00_var_1_8_Pointer={4:28}, WrapperStruct00_var_1_9_Pointer={4:32}, isInitial=1] [L114] WrapperStruct00.var_1_8 = __VERIFIER_nondet_float() [L115] EXPR WrapperStruct00.var_1_8 [L115] EXPR WrapperStruct00.var_1_8 >= 0.0F && WrapperStruct00.var_1_8 <= -1.0e-20F [L115] EXPR (WrapperStruct00.var_1_8 >= 0.0F && WrapperStruct00.var_1_8 <= -1.0e-20F) || (WrapperStruct00.var_1_8 <= 9223372.036854776000e+12F && WrapperStruct00.var_1_8 >= 1.0e-20F ) [L115] EXPR WrapperStruct00.var_1_8 [L115] EXPR WrapperStruct00.var_1_8 <= 9223372.036854776000e+12F && WrapperStruct00.var_1_8 >= 1.0e-20F [L115] EXPR WrapperStruct00.var_1_8 [L115] EXPR WrapperStruct00.var_1_8 <= 9223372.036854776000e+12F && WrapperStruct00.var_1_8 >= 1.0e-20F [L115] EXPR (WrapperStruct00.var_1_8 >= 0.0F && WrapperStruct00.var_1_8 <= -1.0e-20F) || (WrapperStruct00.var_1_8 <= 9223372.036854776000e+12F && WrapperStruct00.var_1_8 >= 1.0e-20F ) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:36}, WrapperStruct00_var_1_11_Pointer={4:40}, WrapperStruct00_var_1_12_Pointer={4:44}, WrapperStruct00_var_1_13_Pointer={4:48}, WrapperStruct00_var_1_14_Pointer={4:52}, WrapperStruct00_var_1_17_Pointer={4:53}, WrapperStruct00_var_1_18_Pointer={4:54}, WrapperStruct00_var_1_19_Pointer={4:55}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_2_Pointer={4:4}, WrapperStruct00_var_1_3_Pointer={4:8}, WrapperStruct00_var_1_4_Pointer={4:12}, WrapperStruct00_var_1_5_Pointer={4:16}, WrapperStruct00_var_1_6_Pointer={4:20}, WrapperStruct00_var_1_7_Pointer={4:24}, WrapperStruct00_var_1_8_Pointer={4:28}, WrapperStruct00_var_1_9_Pointer={4:32}, isInitial=1] [L115] CALL assume_abort_if_not((WrapperStruct00.var_1_8 >= 0.0F && WrapperStruct00.var_1_8 <= -1.0e-20F) || (WrapperStruct00.var_1_8 <= 9223372.036854776000e+12F && WrapperStruct00.var_1_8 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:36}, WrapperStruct00_var_1_11_Pointer={4:40}, WrapperStruct00_var_1_12_Pointer={4:44}, WrapperStruct00_var_1_13_Pointer={4:48}, WrapperStruct00_var_1_14_Pointer={4:52}, WrapperStruct00_var_1_17_Pointer={4:53}, WrapperStruct00_var_1_18_Pointer={4:54}, WrapperStruct00_var_1_19_Pointer={4:55}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_2_Pointer={4:4}, WrapperStruct00_var_1_3_Pointer={4:8}, WrapperStruct00_var_1_4_Pointer={4:12}, WrapperStruct00_var_1_5_Pointer={4:16}, WrapperStruct00_var_1_6_Pointer={4:20}, WrapperStruct00_var_1_7_Pointer={4:24}, WrapperStruct00_var_1_8_Pointer={4:28}, WrapperStruct00_var_1_9_Pointer={4:32}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) [L115] RET assume_abort_if_not((WrapperStruct00.var_1_8 >= 0.0F && WrapperStruct00.var_1_8 <= -1.0e-20F) || (WrapperStruct00.var_1_8 <= 9223372.036854776000e+12F && WrapperStruct00.var_1_8 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:36}, WrapperStruct00_var_1_11_Pointer={4:40}, WrapperStruct00_var_1_12_Pointer={4:44}, WrapperStruct00_var_1_13_Pointer={4:48}, WrapperStruct00_var_1_14_Pointer={4:52}, WrapperStruct00_var_1_17_Pointer={4:53}, WrapperStruct00_var_1_18_Pointer={4:54}, WrapperStruct00_var_1_19_Pointer={4:55}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_2_Pointer={4:4}, WrapperStruct00_var_1_3_Pointer={4:8}, WrapperStruct00_var_1_4_Pointer={4:12}, WrapperStruct00_var_1_5_Pointer={4:16}, WrapperStruct00_var_1_6_Pointer={4:20}, WrapperStruct00_var_1_7_Pointer={4:24}, WrapperStruct00_var_1_8_Pointer={4:28}, WrapperStruct00_var_1_9_Pointer={4:32}, isInitial=1] [L116] WrapperStruct00.var_1_9 = __VERIFIER_nondet_float() [L117] EXPR WrapperStruct00.var_1_9 [L117] EXPR WrapperStruct00.var_1_9 >= 0.0F && WrapperStruct00.var_1_9 <= -1.0e-20F [L117] EXPR WrapperStruct00.var_1_9 [L117] EXPR WrapperStruct00.var_1_9 >= 0.0F && WrapperStruct00.var_1_9 <= -1.0e-20F [L117] EXPR (WrapperStruct00.var_1_9 >= 0.0F && WrapperStruct00.var_1_9 <= -1.0e-20F) || (WrapperStruct00.var_1_9 <= 9223372.036854776000e+12F && WrapperStruct00.var_1_9 >= 1.0e-20F ) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:36}, WrapperStruct00_var_1_11_Pointer={4:40}, WrapperStruct00_var_1_12_Pointer={4:44}, WrapperStruct00_var_1_13_Pointer={4:48}, WrapperStruct00_var_1_14_Pointer={4:52}, WrapperStruct00_var_1_17_Pointer={4:53}, WrapperStruct00_var_1_18_Pointer={4:54}, WrapperStruct00_var_1_19_Pointer={4:55}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_2_Pointer={4:4}, WrapperStruct00_var_1_3_Pointer={4:8}, WrapperStruct00_var_1_4_Pointer={4:12}, WrapperStruct00_var_1_5_Pointer={4:16}, WrapperStruct00_var_1_6_Pointer={4:20}, WrapperStruct00_var_1_7_Pointer={4:24}, WrapperStruct00_var_1_8_Pointer={4:28}, WrapperStruct00_var_1_9_Pointer={4:32}, isInitial=1] [L117] CALL assume_abort_if_not((WrapperStruct00.var_1_9 >= 0.0F && WrapperStruct00.var_1_9 <= -1.0e-20F) || (WrapperStruct00.var_1_9 <= 9223372.036854776000e+12F && WrapperStruct00.var_1_9 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:36}, WrapperStruct00_var_1_11_Pointer={4:40}, WrapperStruct00_var_1_12_Pointer={4:44}, WrapperStruct00_var_1_13_Pointer={4:48}, WrapperStruct00_var_1_14_Pointer={4:52}, WrapperStruct00_var_1_17_Pointer={4:53}, WrapperStruct00_var_1_18_Pointer={4:54}, WrapperStruct00_var_1_19_Pointer={4:55}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_2_Pointer={4:4}, WrapperStruct00_var_1_3_Pointer={4:8}, WrapperStruct00_var_1_4_Pointer={4:12}, WrapperStruct00_var_1_5_Pointer={4:16}, WrapperStruct00_var_1_6_Pointer={4:20}, WrapperStruct00_var_1_7_Pointer={4:24}, WrapperStruct00_var_1_8_Pointer={4:28}, WrapperStruct00_var_1_9_Pointer={4:32}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) [L117] RET assume_abort_if_not((WrapperStruct00.var_1_9 >= 0.0F && WrapperStruct00.var_1_9 <= -1.0e-20F) || (WrapperStruct00.var_1_9 <= 9223372.036854776000e+12F && WrapperStruct00.var_1_9 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:36}, WrapperStruct00_var_1_11_Pointer={4:40}, WrapperStruct00_var_1_12_Pointer={4:44}, WrapperStruct00_var_1_13_Pointer={4:48}, WrapperStruct00_var_1_14_Pointer={4:52}, WrapperStruct00_var_1_17_Pointer={4:53}, WrapperStruct00_var_1_18_Pointer={4:54}, WrapperStruct00_var_1_19_Pointer={4:55}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_2_Pointer={4:4}, WrapperStruct00_var_1_3_Pointer={4:8}, WrapperStruct00_var_1_4_Pointer={4:12}, WrapperStruct00_var_1_5_Pointer={4:16}, WrapperStruct00_var_1_6_Pointer={4:20}, WrapperStruct00_var_1_7_Pointer={4:24}, WrapperStruct00_var_1_8_Pointer={4:28}, WrapperStruct00_var_1_9_Pointer={4:32}, isInitial=1] [L118] WrapperStruct00.var_1_11 = __VERIFIER_nondet_ulong() [L119] EXPR WrapperStruct00.var_1_11 VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:36}, WrapperStruct00_var_1_11_Pointer={4:40}, WrapperStruct00_var_1_12_Pointer={4:44}, WrapperStruct00_var_1_13_Pointer={4:48}, WrapperStruct00_var_1_14_Pointer={4:52}, WrapperStruct00_var_1_17_Pointer={4:53}, WrapperStruct00_var_1_18_Pointer={4:54}, WrapperStruct00_var_1_19_Pointer={4:55}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_2_Pointer={4:4}, WrapperStruct00_var_1_3_Pointer={4:8}, WrapperStruct00_var_1_4_Pointer={4:12}, WrapperStruct00_var_1_5_Pointer={4:16}, WrapperStruct00_var_1_6_Pointer={4:20}, WrapperStruct00_var_1_7_Pointer={4:24}, WrapperStruct00_var_1_8_Pointer={4:28}, WrapperStruct00_var_1_9_Pointer={4:32}, isInitial=1] [L119] CALL assume_abort_if_not(WrapperStruct00.var_1_11 >= 1073741823) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:36}, WrapperStruct00_var_1_11_Pointer={4:40}, WrapperStruct00_var_1_12_Pointer={4:44}, WrapperStruct00_var_1_13_Pointer={4:48}, WrapperStruct00_var_1_14_Pointer={4:52}, WrapperStruct00_var_1_17_Pointer={4:53}, WrapperStruct00_var_1_18_Pointer={4:54}, WrapperStruct00_var_1_19_Pointer={4:55}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_2_Pointer={4:4}, WrapperStruct00_var_1_3_Pointer={4:8}, WrapperStruct00_var_1_4_Pointer={4:12}, WrapperStruct00_var_1_5_Pointer={4:16}, WrapperStruct00_var_1_6_Pointer={4:20}, WrapperStruct00_var_1_7_Pointer={4:24}, WrapperStruct00_var_1_8_Pointer={4:28}, WrapperStruct00_var_1_9_Pointer={4:32}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) [L119] RET assume_abort_if_not(WrapperStruct00.var_1_11 >= 1073741823) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:36}, WrapperStruct00_var_1_11_Pointer={4:40}, WrapperStruct00_var_1_12_Pointer={4:44}, WrapperStruct00_var_1_13_Pointer={4:48}, WrapperStruct00_var_1_14_Pointer={4:52}, WrapperStruct00_var_1_17_Pointer={4:53}, WrapperStruct00_var_1_18_Pointer={4:54}, WrapperStruct00_var_1_19_Pointer={4:55}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_2_Pointer={4:4}, WrapperStruct00_var_1_3_Pointer={4:8}, WrapperStruct00_var_1_4_Pointer={4:12}, WrapperStruct00_var_1_5_Pointer={4:16}, WrapperStruct00_var_1_6_Pointer={4:20}, WrapperStruct00_var_1_7_Pointer={4:24}, WrapperStruct00_var_1_8_Pointer={4:28}, WrapperStruct00_var_1_9_Pointer={4:32}, isInitial=1] [L120] EXPR WrapperStruct00.var_1_11 VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:36}, WrapperStruct00_var_1_11_Pointer={4:40}, WrapperStruct00_var_1_12_Pointer={4:44}, WrapperStruct00_var_1_13_Pointer={4:48}, WrapperStruct00_var_1_14_Pointer={4:52}, WrapperStruct00_var_1_17_Pointer={4:53}, WrapperStruct00_var_1_18_Pointer={4:54}, WrapperStruct00_var_1_19_Pointer={4:55}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_2_Pointer={4:4}, WrapperStruct00_var_1_3_Pointer={4:8}, WrapperStruct00_var_1_4_Pointer={4:12}, WrapperStruct00_var_1_5_Pointer={4:16}, WrapperStruct00_var_1_6_Pointer={4:20}, WrapperStruct00_var_1_7_Pointer={4:24}, WrapperStruct00_var_1_8_Pointer={4:28}, WrapperStruct00_var_1_9_Pointer={4:32}, isInitial=1] [L120] CALL assume_abort_if_not(WrapperStruct00.var_1_11 <= 2147483647) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:36}, WrapperStruct00_var_1_11_Pointer={4:40}, WrapperStruct00_var_1_12_Pointer={4:44}, WrapperStruct00_var_1_13_Pointer={4:48}, WrapperStruct00_var_1_14_Pointer={4:52}, WrapperStruct00_var_1_17_Pointer={4:53}, WrapperStruct00_var_1_18_Pointer={4:54}, WrapperStruct00_var_1_19_Pointer={4:55}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_2_Pointer={4:4}, WrapperStruct00_var_1_3_Pointer={4:8}, WrapperStruct00_var_1_4_Pointer={4:12}, WrapperStruct00_var_1_5_Pointer={4:16}, WrapperStruct00_var_1_6_Pointer={4:20}, WrapperStruct00_var_1_7_Pointer={4:24}, WrapperStruct00_var_1_8_Pointer={4:28}, WrapperStruct00_var_1_9_Pointer={4:32}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) [L120] RET assume_abort_if_not(WrapperStruct00.var_1_11 <= 2147483647) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:36}, WrapperStruct00_var_1_11_Pointer={4:40}, WrapperStruct00_var_1_12_Pointer={4:44}, WrapperStruct00_var_1_13_Pointer={4:48}, WrapperStruct00_var_1_14_Pointer={4:52}, WrapperStruct00_var_1_17_Pointer={4:53}, WrapperStruct00_var_1_18_Pointer={4:54}, WrapperStruct00_var_1_19_Pointer={4:55}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_2_Pointer={4:4}, WrapperStruct00_var_1_3_Pointer={4:8}, WrapperStruct00_var_1_4_Pointer={4:12}, WrapperStruct00_var_1_5_Pointer={4:16}, WrapperStruct00_var_1_6_Pointer={4:20}, WrapperStruct00_var_1_7_Pointer={4:24}, WrapperStruct00_var_1_8_Pointer={4:28}, WrapperStruct00_var_1_9_Pointer={4:32}, isInitial=1] [L121] WrapperStruct00.var_1_12 = __VERIFIER_nondet_ulong() [L122] EXPR WrapperStruct00.var_1_12 VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:36}, WrapperStruct00_var_1_11_Pointer={4:40}, WrapperStruct00_var_1_12_Pointer={4:44}, WrapperStruct00_var_1_13_Pointer={4:48}, WrapperStruct00_var_1_14_Pointer={4:52}, WrapperStruct00_var_1_17_Pointer={4:53}, WrapperStruct00_var_1_18_Pointer={4:54}, WrapperStruct00_var_1_19_Pointer={4:55}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_2_Pointer={4:4}, WrapperStruct00_var_1_3_Pointer={4:8}, WrapperStruct00_var_1_4_Pointer={4:12}, WrapperStruct00_var_1_5_Pointer={4:16}, WrapperStruct00_var_1_6_Pointer={4:20}, WrapperStruct00_var_1_7_Pointer={4:24}, WrapperStruct00_var_1_8_Pointer={4:28}, WrapperStruct00_var_1_9_Pointer={4:32}, isInitial=1] [L122] CALL assume_abort_if_not(WrapperStruct00.var_1_12 >= 1073741824) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:36}, WrapperStruct00_var_1_11_Pointer={4:40}, WrapperStruct00_var_1_12_Pointer={4:44}, WrapperStruct00_var_1_13_Pointer={4:48}, WrapperStruct00_var_1_14_Pointer={4:52}, WrapperStruct00_var_1_17_Pointer={4:53}, WrapperStruct00_var_1_18_Pointer={4:54}, WrapperStruct00_var_1_19_Pointer={4:55}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_2_Pointer={4:4}, WrapperStruct00_var_1_3_Pointer={4:8}, WrapperStruct00_var_1_4_Pointer={4:12}, WrapperStruct00_var_1_5_Pointer={4:16}, WrapperStruct00_var_1_6_Pointer={4:20}, WrapperStruct00_var_1_7_Pointer={4:24}, WrapperStruct00_var_1_8_Pointer={4:28}, WrapperStruct00_var_1_9_Pointer={4:32}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) [L122] RET assume_abort_if_not(WrapperStruct00.var_1_12 >= 1073741824) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:36}, WrapperStruct00_var_1_11_Pointer={4:40}, WrapperStruct00_var_1_12_Pointer={4:44}, WrapperStruct00_var_1_13_Pointer={4:48}, WrapperStruct00_var_1_14_Pointer={4:52}, WrapperStruct00_var_1_17_Pointer={4:53}, WrapperStruct00_var_1_18_Pointer={4:54}, WrapperStruct00_var_1_19_Pointer={4:55}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_2_Pointer={4:4}, WrapperStruct00_var_1_3_Pointer={4:8}, WrapperStruct00_var_1_4_Pointer={4:12}, WrapperStruct00_var_1_5_Pointer={4:16}, WrapperStruct00_var_1_6_Pointer={4:20}, WrapperStruct00_var_1_7_Pointer={4:24}, WrapperStruct00_var_1_8_Pointer={4:28}, WrapperStruct00_var_1_9_Pointer={4:32}, isInitial=1] [L123] EXPR WrapperStruct00.var_1_12 VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:36}, WrapperStruct00_var_1_11_Pointer={4:40}, WrapperStruct00_var_1_12_Pointer={4:44}, WrapperStruct00_var_1_13_Pointer={4:48}, WrapperStruct00_var_1_14_Pointer={4:52}, WrapperStruct00_var_1_17_Pointer={4:53}, WrapperStruct00_var_1_18_Pointer={4:54}, WrapperStruct00_var_1_19_Pointer={4:55}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_2_Pointer={4:4}, WrapperStruct00_var_1_3_Pointer={4:8}, WrapperStruct00_var_1_4_Pointer={4:12}, WrapperStruct00_var_1_5_Pointer={4:16}, WrapperStruct00_var_1_6_Pointer={4:20}, WrapperStruct00_var_1_7_Pointer={4:24}, WrapperStruct00_var_1_8_Pointer={4:28}, WrapperStruct00_var_1_9_Pointer={4:32}, isInitial=1] [L123] CALL assume_abort_if_not(WrapperStruct00.var_1_12 <= 2147483647) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:36}, WrapperStruct00_var_1_11_Pointer={4:40}, WrapperStruct00_var_1_12_Pointer={4:44}, WrapperStruct00_var_1_13_Pointer={4:48}, WrapperStruct00_var_1_14_Pointer={4:52}, WrapperStruct00_var_1_17_Pointer={4:53}, WrapperStruct00_var_1_18_Pointer={4:54}, WrapperStruct00_var_1_19_Pointer={4:55}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_2_Pointer={4:4}, WrapperStruct00_var_1_3_Pointer={4:8}, WrapperStruct00_var_1_4_Pointer={4:12}, WrapperStruct00_var_1_5_Pointer={4:16}, WrapperStruct00_var_1_6_Pointer={4:20}, WrapperStruct00_var_1_7_Pointer={4:24}, WrapperStruct00_var_1_8_Pointer={4:28}, WrapperStruct00_var_1_9_Pointer={4:32}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) [L123] RET assume_abort_if_not(WrapperStruct00.var_1_12 <= 2147483647) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:36}, WrapperStruct00_var_1_11_Pointer={4:40}, WrapperStruct00_var_1_12_Pointer={4:44}, WrapperStruct00_var_1_13_Pointer={4:48}, WrapperStruct00_var_1_14_Pointer={4:52}, WrapperStruct00_var_1_17_Pointer={4:53}, WrapperStruct00_var_1_18_Pointer={4:54}, WrapperStruct00_var_1_19_Pointer={4:55}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_2_Pointer={4:4}, WrapperStruct00_var_1_3_Pointer={4:8}, WrapperStruct00_var_1_4_Pointer={4:12}, WrapperStruct00_var_1_5_Pointer={4:16}, WrapperStruct00_var_1_6_Pointer={4:20}, WrapperStruct00_var_1_7_Pointer={4:24}, WrapperStruct00_var_1_8_Pointer={4:28}, WrapperStruct00_var_1_9_Pointer={4:32}, isInitial=1] [L124] WrapperStruct00.var_1_13 = __VERIFIER_nondet_ulong() [L125] EXPR WrapperStruct00.var_1_13 VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:36}, WrapperStruct00_var_1_11_Pointer={4:40}, WrapperStruct00_var_1_12_Pointer={4:44}, WrapperStruct00_var_1_13_Pointer={4:48}, WrapperStruct00_var_1_14_Pointer={4:52}, WrapperStruct00_var_1_17_Pointer={4:53}, WrapperStruct00_var_1_18_Pointer={4:54}, WrapperStruct00_var_1_19_Pointer={4:55}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_2_Pointer={4:4}, WrapperStruct00_var_1_3_Pointer={4:8}, WrapperStruct00_var_1_4_Pointer={4:12}, WrapperStruct00_var_1_5_Pointer={4:16}, WrapperStruct00_var_1_6_Pointer={4:20}, WrapperStruct00_var_1_7_Pointer={4:24}, WrapperStruct00_var_1_8_Pointer={4:28}, WrapperStruct00_var_1_9_Pointer={4:32}, isInitial=1] [L125] CALL assume_abort_if_not(WrapperStruct00.var_1_13 >= 0) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:36}, WrapperStruct00_var_1_11_Pointer={4:40}, WrapperStruct00_var_1_12_Pointer={4:44}, WrapperStruct00_var_1_13_Pointer={4:48}, WrapperStruct00_var_1_14_Pointer={4:52}, WrapperStruct00_var_1_17_Pointer={4:53}, WrapperStruct00_var_1_18_Pointer={4:54}, WrapperStruct00_var_1_19_Pointer={4:55}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_2_Pointer={4:4}, WrapperStruct00_var_1_3_Pointer={4:8}, WrapperStruct00_var_1_4_Pointer={4:12}, WrapperStruct00_var_1_5_Pointer={4:16}, WrapperStruct00_var_1_6_Pointer={4:20}, WrapperStruct00_var_1_7_Pointer={4:24}, WrapperStruct00_var_1_8_Pointer={4:28}, WrapperStruct00_var_1_9_Pointer={4:32}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) [L125] RET assume_abort_if_not(WrapperStruct00.var_1_13 >= 0) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:36}, WrapperStruct00_var_1_11_Pointer={4:40}, WrapperStruct00_var_1_12_Pointer={4:44}, WrapperStruct00_var_1_13_Pointer={4:48}, WrapperStruct00_var_1_14_Pointer={4:52}, WrapperStruct00_var_1_17_Pointer={4:53}, WrapperStruct00_var_1_18_Pointer={4:54}, WrapperStruct00_var_1_19_Pointer={4:55}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_2_Pointer={4:4}, WrapperStruct00_var_1_3_Pointer={4:8}, WrapperStruct00_var_1_4_Pointer={4:12}, WrapperStruct00_var_1_5_Pointer={4:16}, WrapperStruct00_var_1_6_Pointer={4:20}, WrapperStruct00_var_1_7_Pointer={4:24}, WrapperStruct00_var_1_8_Pointer={4:28}, WrapperStruct00_var_1_9_Pointer={4:32}, isInitial=1] [L126] EXPR WrapperStruct00.var_1_13 VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:36}, WrapperStruct00_var_1_11_Pointer={4:40}, WrapperStruct00_var_1_12_Pointer={4:44}, WrapperStruct00_var_1_13_Pointer={4:48}, WrapperStruct00_var_1_14_Pointer={4:52}, WrapperStruct00_var_1_17_Pointer={4:53}, WrapperStruct00_var_1_18_Pointer={4:54}, WrapperStruct00_var_1_19_Pointer={4:55}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_2_Pointer={4:4}, WrapperStruct00_var_1_3_Pointer={4:8}, WrapperStruct00_var_1_4_Pointer={4:12}, WrapperStruct00_var_1_5_Pointer={4:16}, WrapperStruct00_var_1_6_Pointer={4:20}, WrapperStruct00_var_1_7_Pointer={4:24}, WrapperStruct00_var_1_8_Pointer={4:28}, WrapperStruct00_var_1_9_Pointer={4:32}, isInitial=1] [L126] CALL assume_abort_if_not(WrapperStruct00.var_1_13 <= 2147483647) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:36}, WrapperStruct00_var_1_11_Pointer={4:40}, WrapperStruct00_var_1_12_Pointer={4:44}, WrapperStruct00_var_1_13_Pointer={4:48}, WrapperStruct00_var_1_14_Pointer={4:52}, WrapperStruct00_var_1_17_Pointer={4:53}, WrapperStruct00_var_1_18_Pointer={4:54}, WrapperStruct00_var_1_19_Pointer={4:55}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_2_Pointer={4:4}, WrapperStruct00_var_1_3_Pointer={4:8}, WrapperStruct00_var_1_4_Pointer={4:12}, WrapperStruct00_var_1_5_Pointer={4:16}, WrapperStruct00_var_1_6_Pointer={4:20}, WrapperStruct00_var_1_7_Pointer={4:24}, WrapperStruct00_var_1_8_Pointer={4:28}, WrapperStruct00_var_1_9_Pointer={4:32}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) [L126] RET assume_abort_if_not(WrapperStruct00.var_1_13 <= 2147483647) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:36}, WrapperStruct00_var_1_11_Pointer={4:40}, WrapperStruct00_var_1_12_Pointer={4:44}, WrapperStruct00_var_1_13_Pointer={4:48}, WrapperStruct00_var_1_14_Pointer={4:52}, WrapperStruct00_var_1_17_Pointer={4:53}, WrapperStruct00_var_1_18_Pointer={4:54}, WrapperStruct00_var_1_19_Pointer={4:55}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_2_Pointer={4:4}, WrapperStruct00_var_1_3_Pointer={4:8}, WrapperStruct00_var_1_4_Pointer={4:12}, WrapperStruct00_var_1_5_Pointer={4:16}, WrapperStruct00_var_1_6_Pointer={4:20}, WrapperStruct00_var_1_7_Pointer={4:24}, WrapperStruct00_var_1_8_Pointer={4:28}, WrapperStruct00_var_1_9_Pointer={4:32}, isInitial=1] [L127] WrapperStruct00.var_1_17 = __VERIFIER_nondet_uchar() [L128] EXPR WrapperStruct00.var_1_17 VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:36}, WrapperStruct00_var_1_11_Pointer={4:40}, WrapperStruct00_var_1_12_Pointer={4:44}, WrapperStruct00_var_1_13_Pointer={4:48}, WrapperStruct00_var_1_14_Pointer={4:52}, WrapperStruct00_var_1_17_Pointer={4:53}, WrapperStruct00_var_1_18_Pointer={4:54}, WrapperStruct00_var_1_19_Pointer={4:55}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_2_Pointer={4:4}, WrapperStruct00_var_1_3_Pointer={4:8}, WrapperStruct00_var_1_4_Pointer={4:12}, WrapperStruct00_var_1_5_Pointer={4:16}, WrapperStruct00_var_1_6_Pointer={4:20}, WrapperStruct00_var_1_7_Pointer={4:24}, WrapperStruct00_var_1_8_Pointer={4:28}, WrapperStruct00_var_1_9_Pointer={4:32}, isInitial=1] [L128] CALL assume_abort_if_not(WrapperStruct00.var_1_17 >= 1) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:36}, WrapperStruct00_var_1_11_Pointer={4:40}, WrapperStruct00_var_1_12_Pointer={4:44}, WrapperStruct00_var_1_13_Pointer={4:48}, WrapperStruct00_var_1_14_Pointer={4:52}, WrapperStruct00_var_1_17_Pointer={4:53}, WrapperStruct00_var_1_18_Pointer={4:54}, WrapperStruct00_var_1_19_Pointer={4:55}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_2_Pointer={4:4}, WrapperStruct00_var_1_3_Pointer={4:8}, WrapperStruct00_var_1_4_Pointer={4:12}, WrapperStruct00_var_1_5_Pointer={4:16}, WrapperStruct00_var_1_6_Pointer={4:20}, WrapperStruct00_var_1_7_Pointer={4:24}, WrapperStruct00_var_1_8_Pointer={4:28}, WrapperStruct00_var_1_9_Pointer={4:32}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) [L128] RET assume_abort_if_not(WrapperStruct00.var_1_17 >= 1) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:36}, WrapperStruct00_var_1_11_Pointer={4:40}, WrapperStruct00_var_1_12_Pointer={4:44}, WrapperStruct00_var_1_13_Pointer={4:48}, WrapperStruct00_var_1_14_Pointer={4:52}, WrapperStruct00_var_1_17_Pointer={4:53}, WrapperStruct00_var_1_18_Pointer={4:54}, WrapperStruct00_var_1_19_Pointer={4:55}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_2_Pointer={4:4}, WrapperStruct00_var_1_3_Pointer={4:8}, WrapperStruct00_var_1_4_Pointer={4:12}, WrapperStruct00_var_1_5_Pointer={4:16}, WrapperStruct00_var_1_6_Pointer={4:20}, WrapperStruct00_var_1_7_Pointer={4:24}, WrapperStruct00_var_1_8_Pointer={4:28}, WrapperStruct00_var_1_9_Pointer={4:32}, isInitial=1] [L129] EXPR WrapperStruct00.var_1_17 VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:36}, WrapperStruct00_var_1_11_Pointer={4:40}, WrapperStruct00_var_1_12_Pointer={4:44}, WrapperStruct00_var_1_13_Pointer={4:48}, WrapperStruct00_var_1_14_Pointer={4:52}, WrapperStruct00_var_1_17_Pointer={4:53}, WrapperStruct00_var_1_18_Pointer={4:54}, WrapperStruct00_var_1_19_Pointer={4:55}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_2_Pointer={4:4}, WrapperStruct00_var_1_3_Pointer={4:8}, WrapperStruct00_var_1_4_Pointer={4:12}, WrapperStruct00_var_1_5_Pointer={4:16}, WrapperStruct00_var_1_6_Pointer={4:20}, WrapperStruct00_var_1_7_Pointer={4:24}, WrapperStruct00_var_1_8_Pointer={4:28}, WrapperStruct00_var_1_9_Pointer={4:32}, isInitial=1] [L129] CALL assume_abort_if_not(WrapperStruct00.var_1_17 <= 1) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:36}, WrapperStruct00_var_1_11_Pointer={4:40}, WrapperStruct00_var_1_12_Pointer={4:44}, WrapperStruct00_var_1_13_Pointer={4:48}, WrapperStruct00_var_1_14_Pointer={4:52}, WrapperStruct00_var_1_17_Pointer={4:53}, WrapperStruct00_var_1_18_Pointer={4:54}, WrapperStruct00_var_1_19_Pointer={4:55}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_2_Pointer={4:4}, WrapperStruct00_var_1_3_Pointer={4:8}, WrapperStruct00_var_1_4_Pointer={4:12}, WrapperStruct00_var_1_5_Pointer={4:16}, WrapperStruct00_var_1_6_Pointer={4:20}, WrapperStruct00_var_1_7_Pointer={4:24}, WrapperStruct00_var_1_8_Pointer={4:28}, WrapperStruct00_var_1_9_Pointer={4:32}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) [L129] RET assume_abort_if_not(WrapperStruct00.var_1_17 <= 1) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:36}, WrapperStruct00_var_1_11_Pointer={4:40}, WrapperStruct00_var_1_12_Pointer={4:44}, WrapperStruct00_var_1_13_Pointer={4:48}, WrapperStruct00_var_1_14_Pointer={4:52}, WrapperStruct00_var_1_17_Pointer={4:53}, WrapperStruct00_var_1_18_Pointer={4:54}, WrapperStruct00_var_1_19_Pointer={4:55}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_2_Pointer={4:4}, WrapperStruct00_var_1_3_Pointer={4:8}, WrapperStruct00_var_1_4_Pointer={4:12}, WrapperStruct00_var_1_5_Pointer={4:16}, WrapperStruct00_var_1_6_Pointer={4:20}, WrapperStruct00_var_1_7_Pointer={4:24}, WrapperStruct00_var_1_8_Pointer={4:28}, WrapperStruct00_var_1_9_Pointer={4:32}, isInitial=1] [L130] WrapperStruct00.var_1_19 = __VERIFIER_nondet_uchar() [L131] EXPR WrapperStruct00.var_1_19 VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:36}, WrapperStruct00_var_1_11_Pointer={4:40}, WrapperStruct00_var_1_12_Pointer={4:44}, WrapperStruct00_var_1_13_Pointer={4:48}, WrapperStruct00_var_1_14_Pointer={4:52}, WrapperStruct00_var_1_17_Pointer={4:53}, WrapperStruct00_var_1_18_Pointer={4:54}, WrapperStruct00_var_1_19_Pointer={4:55}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_2_Pointer={4:4}, WrapperStruct00_var_1_3_Pointer={4:8}, WrapperStruct00_var_1_4_Pointer={4:12}, WrapperStruct00_var_1_5_Pointer={4:16}, WrapperStruct00_var_1_6_Pointer={4:20}, WrapperStruct00_var_1_7_Pointer={4:24}, WrapperStruct00_var_1_8_Pointer={4:28}, WrapperStruct00_var_1_9_Pointer={4:32}, isInitial=1] [L131] CALL assume_abort_if_not(WrapperStruct00.var_1_19 >= 0) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:36}, WrapperStruct00_var_1_11_Pointer={4:40}, WrapperStruct00_var_1_12_Pointer={4:44}, WrapperStruct00_var_1_13_Pointer={4:48}, WrapperStruct00_var_1_14_Pointer={4:52}, WrapperStruct00_var_1_17_Pointer={4:53}, WrapperStruct00_var_1_18_Pointer={4:54}, WrapperStruct00_var_1_19_Pointer={4:55}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_2_Pointer={4:4}, WrapperStruct00_var_1_3_Pointer={4:8}, WrapperStruct00_var_1_4_Pointer={4:12}, WrapperStruct00_var_1_5_Pointer={4:16}, WrapperStruct00_var_1_6_Pointer={4:20}, WrapperStruct00_var_1_7_Pointer={4:24}, WrapperStruct00_var_1_8_Pointer={4:28}, WrapperStruct00_var_1_9_Pointer={4:32}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) [L131] RET assume_abort_if_not(WrapperStruct00.var_1_19 >= 0) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:36}, WrapperStruct00_var_1_11_Pointer={4:40}, WrapperStruct00_var_1_12_Pointer={4:44}, WrapperStruct00_var_1_13_Pointer={4:48}, WrapperStruct00_var_1_14_Pointer={4:52}, WrapperStruct00_var_1_17_Pointer={4:53}, WrapperStruct00_var_1_18_Pointer={4:54}, WrapperStruct00_var_1_19_Pointer={4:55}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_2_Pointer={4:4}, WrapperStruct00_var_1_3_Pointer={4:8}, WrapperStruct00_var_1_4_Pointer={4:12}, WrapperStruct00_var_1_5_Pointer={4:16}, WrapperStruct00_var_1_6_Pointer={4:20}, WrapperStruct00_var_1_7_Pointer={4:24}, WrapperStruct00_var_1_8_Pointer={4:28}, WrapperStruct00_var_1_9_Pointer={4:32}, isInitial=1] [L132] EXPR WrapperStruct00.var_1_19 VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:36}, WrapperStruct00_var_1_11_Pointer={4:40}, WrapperStruct00_var_1_12_Pointer={4:44}, WrapperStruct00_var_1_13_Pointer={4:48}, WrapperStruct00_var_1_14_Pointer={4:52}, WrapperStruct00_var_1_17_Pointer={4:53}, WrapperStruct00_var_1_18_Pointer={4:54}, WrapperStruct00_var_1_19_Pointer={4:55}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_2_Pointer={4:4}, WrapperStruct00_var_1_3_Pointer={4:8}, WrapperStruct00_var_1_4_Pointer={4:12}, WrapperStruct00_var_1_5_Pointer={4:16}, WrapperStruct00_var_1_6_Pointer={4:20}, WrapperStruct00_var_1_7_Pointer={4:24}, WrapperStruct00_var_1_8_Pointer={4:28}, WrapperStruct00_var_1_9_Pointer={4:32}, isInitial=1] [L132] CALL assume_abort_if_not(WrapperStruct00.var_1_19 <= 0) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:36}, WrapperStruct00_var_1_11_Pointer={4:40}, WrapperStruct00_var_1_12_Pointer={4:44}, WrapperStruct00_var_1_13_Pointer={4:48}, WrapperStruct00_var_1_14_Pointer={4:52}, WrapperStruct00_var_1_17_Pointer={4:53}, WrapperStruct00_var_1_18_Pointer={4:54}, WrapperStruct00_var_1_19_Pointer={4:55}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_2_Pointer={4:4}, WrapperStruct00_var_1_3_Pointer={4:8}, WrapperStruct00_var_1_4_Pointer={4:12}, WrapperStruct00_var_1_5_Pointer={4:16}, WrapperStruct00_var_1_6_Pointer={4:20}, WrapperStruct00_var_1_7_Pointer={4:24}, WrapperStruct00_var_1_8_Pointer={4:28}, WrapperStruct00_var_1_9_Pointer={4:32}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) [L132] RET assume_abort_if_not(WrapperStruct00.var_1_19 <= 0) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:36}, WrapperStruct00_var_1_11_Pointer={4:40}, WrapperStruct00_var_1_12_Pointer={4:44}, WrapperStruct00_var_1_13_Pointer={4:48}, WrapperStruct00_var_1_14_Pointer={4:52}, WrapperStruct00_var_1_17_Pointer={4:53}, WrapperStruct00_var_1_18_Pointer={4:54}, WrapperStruct00_var_1_19_Pointer={4:55}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_2_Pointer={4:4}, WrapperStruct00_var_1_3_Pointer={4:8}, WrapperStruct00_var_1_4_Pointer={4:12}, WrapperStruct00_var_1_5_Pointer={4:16}, WrapperStruct00_var_1_6_Pointer={4:20}, WrapperStruct00_var_1_7_Pointer={4:24}, WrapperStruct00_var_1_8_Pointer={4:28}, WrapperStruct00_var_1_9_Pointer={4:32}, isInitial=1] [L145] RET updateVariables() [L146] CALL step() [L81] EXPR \read(*WrapperStruct00_var_1_2_Pointer) [L81] EXPR \read(*WrapperStruct00_var_1_3_Pointer) [L81] EXPR (((*(WrapperStruct00_var_1_2_Pointer))) < ((*(WrapperStruct00_var_1_3_Pointer)))) ? ((*(WrapperStruct00_var_1_2_Pointer))) : ((*(WrapperStruct00_var_1_3_Pointer))) [L81] EXPR \read(*WrapperStruct00_var_1_2_Pointer) [L81] EXPR (((*(WrapperStruct00_var_1_2_Pointer))) < ((*(WrapperStruct00_var_1_3_Pointer)))) ? ((*(WrapperStruct00_var_1_2_Pointer))) : ((*(WrapperStruct00_var_1_3_Pointer))) [L81] (*(WrapperStruct00_var_1_1_Pointer)) = (((((*(WrapperStruct00_var_1_2_Pointer))) < ((*(WrapperStruct00_var_1_3_Pointer)))) ? ((*(WrapperStruct00_var_1_2_Pointer))) : ((*(WrapperStruct00_var_1_3_Pointer))))) [L82] EXPR \read(*WrapperStruct00_var_1_5_Pointer) [L82] EXPR \read(*WrapperStruct00_var_1_6_Pointer) [L82] EXPR \read(*WrapperStruct00_var_1_7_Pointer) [L82] EXPR \read(*WrapperStruct00_var_1_8_Pointer) [L82] EXPR \read(*WrapperStruct00_var_1_9_Pointer) [L82] COND FALSE !(((*(WrapperStruct00_var_1_5_Pointer)) / (*(WrapperStruct00_var_1_6_Pointer))) <= ((*(WrapperStruct00_var_1_7_Pointer)) + ((*(WrapperStruct00_var_1_8_Pointer)) - (*(WrapperStruct00_var_1_9_Pointer))))) [L85] EXPR \read(*WrapperStruct00_var_1_2_Pointer) [L85] EXPR \read(*WrapperStruct00_var_1_11_Pointer) [L85] EXPR \read(*WrapperStruct00_var_1_12_Pointer) [L85] EXPR \read(*WrapperStruct00_var_1_13_Pointer) [L85] EXPR (((*(WrapperStruct00_var_1_2_Pointer))) > ((((*(WrapperStruct00_var_1_11_Pointer)) + (*(WrapperStruct00_var_1_12_Pointer))) - (*(WrapperStruct00_var_1_13_Pointer))))) ? ((*(WrapperStruct00_var_1_2_Pointer))) : ((((*(WrapperStruct00_var_1_11_Pointer)) + (*(WrapperStruct00_var_1_12_Pointer))) - (*(WrapperStruct00_var_1_13_Pointer)))) [L85] EXPR \read(*WrapperStruct00_var_1_11_Pointer) [L85] EXPR \read(*WrapperStruct00_var_1_12_Pointer) [L85] EXPR \read(*WrapperStruct00_var_1_13_Pointer) [L85] EXPR (((*(WrapperStruct00_var_1_2_Pointer))) > ((((*(WrapperStruct00_var_1_11_Pointer)) + (*(WrapperStruct00_var_1_12_Pointer))) - (*(WrapperStruct00_var_1_13_Pointer))))) ? ((*(WrapperStruct00_var_1_2_Pointer))) : ((((*(WrapperStruct00_var_1_11_Pointer)) + (*(WrapperStruct00_var_1_12_Pointer))) - (*(WrapperStruct00_var_1_13_Pointer)))) [L85] (*(WrapperStruct00_var_1_10_Pointer)) = (((((*(WrapperStruct00_var_1_2_Pointer))) > ((((*(WrapperStruct00_var_1_11_Pointer)) + (*(WrapperStruct00_var_1_12_Pointer))) - (*(WrapperStruct00_var_1_13_Pointer))))) ? ((*(WrapperStruct00_var_1_2_Pointer))) : ((((*(WrapperStruct00_var_1_11_Pointer)) + (*(WrapperStruct00_var_1_12_Pointer))) - (*(WrapperStruct00_var_1_13_Pointer)))))) [L86] EXPR \read(*WrapperStruct00_var_1_5_Pointer) [L86] unsigned char stepLocal_0 = (- (*(WrapperStruct00_var_1_5_Pointer))) != 1.9f; [L87] stepLocal_0 || (((*(WrapperStruct00_var_1_4_Pointer)) * (*(WrapperStruct00_var_1_13_Pointer))) < (*(WrapperStruct00_var_1_3_Pointer))) [L87] COND TRUE stepLocal_0 || (((*(WrapperStruct00_var_1_4_Pointer)) * (*(WrapperStruct00_var_1_13_Pointer))) < (*(WrapperStruct00_var_1_3_Pointer))) [L88] EXPR \read(*WrapperStruct00_var_1_19_Pointer) [L88] (*(WrapperStruct00_var_1_18_Pointer)) = (! (*(WrapperStruct00_var_1_19_Pointer))) [L92] EXPR \read(*WrapperStruct00_var_1_18_Pointer) [L92] COND TRUE (*(WrapperStruct00_var_1_18_Pointer)) [L93] EXPR \read(*WrapperStruct00_var_1_5_Pointer) [L93] EXPR \read(*WrapperStruct00_var_1_6_Pointer) [L93] EXPR \read(*WrapperStruct00_var_1_8_Pointer) [L93] EXPR \read(*WrapperStruct00_var_1_9_Pointer) [L93] COND TRUE ! (((*(WrapperStruct00_var_1_5_Pointer)) / (*(WrapperStruct00_var_1_6_Pointer))) < ((*(WrapperStruct00_var_1_8_Pointer)) - (*(WrapperStruct00_var_1_9_Pointer)))) [L94] EXPR \read(*WrapperStruct00_var_1_18_Pointer) [L94] COND TRUE (*(WrapperStruct00_var_1_18_Pointer)) [L95] EXPR \read(*WrapperStruct00_var_1_17_Pointer) [L95] (*(WrapperStruct00_var_1_14_Pointer)) = (! (*(WrapperStruct00_var_1_17_Pointer))) [L146] RET step() [L147] CALL, EXPR property() [L137] EXPR \read(*WrapperStruct00_var_1_1_Pointer) [L137] EXPR \read(*WrapperStruct00_var_1_2_Pointer) [L137] EXPR \read(*WrapperStruct00_var_1_3_Pointer) [L137] EXPR (((*(WrapperStruct00_var_1_2_Pointer))) < ((*(WrapperStruct00_var_1_3_Pointer)))) ? ((*(WrapperStruct00_var_1_2_Pointer))) : ((*(WrapperStruct00_var_1_3_Pointer))) [L137] EXPR \read(*WrapperStruct00_var_1_2_Pointer) [L137] EXPR (((*(WrapperStruct00_var_1_2_Pointer))) < ((*(WrapperStruct00_var_1_3_Pointer)))) ? ((*(WrapperStruct00_var_1_2_Pointer))) : ((*(WrapperStruct00_var_1_3_Pointer))) [L137] EXPR ((*(WrapperStruct00_var_1_1_Pointer)) == ((unsigned long int) (((((*(WrapperStruct00_var_1_2_Pointer))) < ((*(WrapperStruct00_var_1_3_Pointer)))) ? ((*(WrapperStruct00_var_1_2_Pointer))) : ((*(WrapperStruct00_var_1_3_Pointer))))))) && ((((*(WrapperStruct00_var_1_5_Pointer)) / (*(WrapperStruct00_var_1_6_Pointer))) <= ((*(WrapperStruct00_var_1_7_Pointer)) + ((*(WrapperStruct00_var_1_8_Pointer)) - (*(WrapperStruct00_var_1_9_Pointer))))) ? ((*(WrapperStruct00_var_1_4_Pointer)) == ((unsigned long int) (((((*(WrapperStruct00_var_1_2_Pointer))) < ((*(WrapperStruct00_var_1_3_Pointer)))) ? ((*(WrapperStruct00_var_1_2_Pointer))) : ((*(WrapperStruct00_var_1_3_Pointer))))))) : 1) [L137] EXPR \read(*WrapperStruct00_var_1_5_Pointer) [L137] EXPR \read(*WrapperStruct00_var_1_6_Pointer) [L137] EXPR \read(*WrapperStruct00_var_1_7_Pointer) [L137] EXPR \read(*WrapperStruct00_var_1_8_Pointer) [L137] EXPR \read(*WrapperStruct00_var_1_9_Pointer) [L137] EXPR (((*(WrapperStruct00_var_1_5_Pointer)) / (*(WrapperStruct00_var_1_6_Pointer))) <= ((*(WrapperStruct00_var_1_7_Pointer)) + ((*(WrapperStruct00_var_1_8_Pointer)) - (*(WrapperStruct00_var_1_9_Pointer))))) ? ((*(WrapperStruct00_var_1_4_Pointer)) == ((unsigned long int) (((((*(WrapperStruct00_var_1_2_Pointer))) < ((*(WrapperStruct00_var_1_3_Pointer)))) ? ((*(WrapperStruct00_var_1_2_Pointer))) : ((*(WrapperStruct00_var_1_3_Pointer))))))) : 1 [L137] EXPR \read(*WrapperStruct00_var_1_4_Pointer) [L137] EXPR \read(*WrapperStruct00_var_1_2_Pointer) [L137] EXPR \read(*WrapperStruct00_var_1_3_Pointer) [L137] EXPR (((*(WrapperStruct00_var_1_2_Pointer))) < ((*(WrapperStruct00_var_1_3_Pointer)))) ? ((*(WrapperStruct00_var_1_2_Pointer))) : ((*(WrapperStruct00_var_1_3_Pointer))) [L137] EXPR \read(*WrapperStruct00_var_1_2_Pointer) [L137] EXPR (((*(WrapperStruct00_var_1_2_Pointer))) < ((*(WrapperStruct00_var_1_3_Pointer)))) ? ((*(WrapperStruct00_var_1_2_Pointer))) : ((*(WrapperStruct00_var_1_3_Pointer))) [L137] EXPR (((*(WrapperStruct00_var_1_5_Pointer)) / (*(WrapperStruct00_var_1_6_Pointer))) <= ((*(WrapperStruct00_var_1_7_Pointer)) + ((*(WrapperStruct00_var_1_8_Pointer)) - (*(WrapperStruct00_var_1_9_Pointer))))) ? ((*(WrapperStruct00_var_1_4_Pointer)) == ((unsigned long int) (((((*(WrapperStruct00_var_1_2_Pointer))) < ((*(WrapperStruct00_var_1_3_Pointer)))) ? ((*(WrapperStruct00_var_1_2_Pointer))) : ((*(WrapperStruct00_var_1_3_Pointer))))))) : 1 [L137] EXPR ((*(WrapperStruct00_var_1_1_Pointer)) == ((unsigned long int) (((((*(WrapperStruct00_var_1_2_Pointer))) < ((*(WrapperStruct00_var_1_3_Pointer)))) ? ((*(WrapperStruct00_var_1_2_Pointer))) : ((*(WrapperStruct00_var_1_3_Pointer))))))) && ((((*(WrapperStruct00_var_1_5_Pointer)) / (*(WrapperStruct00_var_1_6_Pointer))) <= ((*(WrapperStruct00_var_1_7_Pointer)) + ((*(WrapperStruct00_var_1_8_Pointer)) - (*(WrapperStruct00_var_1_9_Pointer))))) ? ((*(WrapperStruct00_var_1_4_Pointer)) == ((unsigned long int) (((((*(WrapperStruct00_var_1_2_Pointer))) < ((*(WrapperStruct00_var_1_3_Pointer)))) ? ((*(WrapperStruct00_var_1_2_Pointer))) : ((*(WrapperStruct00_var_1_3_Pointer))))))) : 1) [L137] EXPR (((*(WrapperStruct00_var_1_1_Pointer)) == ((unsigned long int) (((((*(WrapperStruct00_var_1_2_Pointer))) < ((*(WrapperStruct00_var_1_3_Pointer)))) ? ((*(WrapperStruct00_var_1_2_Pointer))) : ((*(WrapperStruct00_var_1_3_Pointer))))))) && ((((*(WrapperStruct00_var_1_5_Pointer)) / (*(WrapperStruct00_var_1_6_Pointer))) <= ((*(WrapperStruct00_var_1_7_Pointer)) + ((*(WrapperStruct00_var_1_8_Pointer)) - (*(WrapperStruct00_var_1_9_Pointer))))) ? ((*(WrapperStruct00_var_1_4_Pointer)) == ((unsigned long int) (((((*(WrapperStruct00_var_1_2_Pointer))) < ((*(WrapperStruct00_var_1_3_Pointer)))) ? ((*(WrapperStruct00_var_1_2_Pointer))) : ((*(WrapperStruct00_var_1_3_Pointer))))))) : 1)) && ((*(WrapperStruct00_var_1_10_Pointer)) == ((unsigned long int) (((((*(WrapperStruct00_var_1_2_Pointer))) > ((((*(WrapperStruct00_var_1_11_Pointer)) + (*(WrapperStruct00_var_1_12_Pointer))) - (*(WrapperStruct00_var_1_13_Pointer))))) ? ((*(WrapperStruct00_var_1_2_Pointer))) : ((((*(WrapperStruct00_var_1_11_Pointer)) + (*(WrapperStruct00_var_1_12_Pointer))) - (*(WrapperStruct00_var_1_13_Pointer)))))))) [L137] EXPR ((((*(WrapperStruct00_var_1_1_Pointer)) == ((unsigned long int) (((((*(WrapperStruct00_var_1_2_Pointer))) < ((*(WrapperStruct00_var_1_3_Pointer)))) ? ((*(WrapperStruct00_var_1_2_Pointer))) : ((*(WrapperStruct00_var_1_3_Pointer))))))) && ((((*(WrapperStruct00_var_1_5_Pointer)) / (*(WrapperStruct00_var_1_6_Pointer))) <= ((*(WrapperStruct00_var_1_7_Pointer)) + ((*(WrapperStruct00_var_1_8_Pointer)) - (*(WrapperStruct00_var_1_9_Pointer))))) ? ((*(WrapperStruct00_var_1_4_Pointer)) == ((unsigned long int) (((((*(WrapperStruct00_var_1_2_Pointer))) < ((*(WrapperStruct00_var_1_3_Pointer)))) ? ((*(WrapperStruct00_var_1_2_Pointer))) : ((*(WrapperStruct00_var_1_3_Pointer))))))) : 1)) && ((*(WrapperStruct00_var_1_10_Pointer)) == ((unsigned long int) (((((*(WrapperStruct00_var_1_2_Pointer))) > ((((*(WrapperStruct00_var_1_11_Pointer)) + (*(WrapperStruct00_var_1_12_Pointer))) - (*(WrapperStruct00_var_1_13_Pointer))))) ? ((*(WrapperStruct00_var_1_2_Pointer))) : ((((*(WrapperStruct00_var_1_11_Pointer)) + (*(WrapperStruct00_var_1_12_Pointer))) - (*(WrapperStruct00_var_1_13_Pointer))))))))) && ((*(WrapperStruct00_var_1_18_Pointer)) ? ((! (((*(WrapperStruct00_var_1_5_Pointer)) / (*(WrapperStruct00_var_1_6_Pointer))) < ((*(WrapperStruct00_var_1_8_Pointer)) - (*(WrapperStruct00_var_1_9_Pointer))))) ? ((*(WrapperStruct00_var_1_18_Pointer)) ? ((*(WrapperStruct00_var_1_14_Pointer)) == ((unsigned char) (! (*(WrapperStruct00_var_1_17_Pointer))))) : 1) : 1) : 1) [L137] EXPR (((((*(WrapperStruct00_var_1_1_Pointer)) == ((unsigned long int) (((((*(WrapperStruct00_var_1_2_Pointer))) < ((*(WrapperStruct00_var_1_3_Pointer)))) ? ((*(WrapperStruct00_var_1_2_Pointer))) : ((*(WrapperStruct00_var_1_3_Pointer))))))) && ((((*(WrapperStruct00_var_1_5_Pointer)) / (*(WrapperStruct00_var_1_6_Pointer))) <= ((*(WrapperStruct00_var_1_7_Pointer)) + ((*(WrapperStruct00_var_1_8_Pointer)) - (*(WrapperStruct00_var_1_9_Pointer))))) ? ((*(WrapperStruct00_var_1_4_Pointer)) == ((unsigned long int) (((((*(WrapperStruct00_var_1_2_Pointer))) < ((*(WrapperStruct00_var_1_3_Pointer)))) ? ((*(WrapperStruct00_var_1_2_Pointer))) : ((*(WrapperStruct00_var_1_3_Pointer))))))) : 1)) && ((*(WrapperStruct00_var_1_10_Pointer)) == ((unsigned long int) (((((*(WrapperStruct00_var_1_2_Pointer))) > ((((*(WrapperStruct00_var_1_11_Pointer)) + (*(WrapperStruct00_var_1_12_Pointer))) - (*(WrapperStruct00_var_1_13_Pointer))))) ? ((*(WrapperStruct00_var_1_2_Pointer))) : ((((*(WrapperStruct00_var_1_11_Pointer)) + (*(WrapperStruct00_var_1_12_Pointer))) - (*(WrapperStruct00_var_1_13_Pointer))))))))) && ((*(WrapperStruct00_var_1_18_Pointer)) ? ((! (((*(WrapperStruct00_var_1_5_Pointer)) / (*(WrapperStruct00_var_1_6_Pointer))) < ((*(WrapperStruct00_var_1_8_Pointer)) - (*(WrapperStruct00_var_1_9_Pointer))))) ? ((*(WrapperStruct00_var_1_18_Pointer)) ? ((*(WrapperStruct00_var_1_14_Pointer)) == ((unsigned char) (! (*(WrapperStruct00_var_1_17_Pointer))))) : 1) : 1) : 1)) && ((((- (*(WrapperStruct00_var_1_5_Pointer))) != 1.9f) || (((*(WrapperStruct00_var_1_4_Pointer)) * (*(WrapperStruct00_var_1_13_Pointer))) < (*(WrapperStruct00_var_1_3_Pointer)))) ? ((*(WrapperStruct00_var_1_18_Pointer)) == ((unsigned char) (! (*(WrapperStruct00_var_1_19_Pointer))))) : ((*(WrapperStruct00_var_1_18_Pointer)) == ((unsigned char) (*(WrapperStruct00_var_1_19_Pointer))))) [L137-L138] return (((((*(WrapperStruct00_var_1_1_Pointer)) == ((unsigned long int) (((((*(WrapperStruct00_var_1_2_Pointer))) < ((*(WrapperStruct00_var_1_3_Pointer)))) ? ((*(WrapperStruct00_var_1_2_Pointer))) : ((*(WrapperStruct00_var_1_3_Pointer))))))) && ((((*(WrapperStruct00_var_1_5_Pointer)) / (*(WrapperStruct00_var_1_6_Pointer))) <= ((*(WrapperStruct00_var_1_7_Pointer)) + ((*(WrapperStruct00_var_1_8_Pointer)) - (*(WrapperStruct00_var_1_9_Pointer))))) ? ((*(WrapperStruct00_var_1_4_Pointer)) == ((unsigned long int) (((((*(WrapperStruct00_var_1_2_Pointer))) < ((*(WrapperStruct00_var_1_3_Pointer)))) ? ((*(WrapperStruct00_var_1_2_Pointer))) : ((*(WrapperStruct00_var_1_3_Pointer))))))) : 1)) && ((*(WrapperStruct00_var_1_10_Pointer)) == ((unsigned long int) (((((*(WrapperStruct00_var_1_2_Pointer))) > ((((*(WrapperStruct00_var_1_11_Pointer)) + (*(WrapperStruct00_var_1_12_Pointer))) - (*(WrapperStruct00_var_1_13_Pointer))))) ? ((*(WrapperStruct00_var_1_2_Pointer))) : ((((*(WrapperStruct00_var_1_11_Pointer)) + (*(WrapperStruct00_var_1_12_Pointer))) - (*(WrapperStruct00_var_1_13_Pointer))))))))) && ((*(WrapperStruct00_var_1_18_Pointer)) ? ((! (((*(WrapperStruct00_var_1_5_Pointer)) / (*(WrapperStruct00_var_1_6_Pointer))) < ((*(WrapperStruct00_var_1_8_Pointer)) - (*(WrapperStruct00_var_1_9_Pointer))))) ? ((*(WrapperStruct00_var_1_18_Pointer)) ? ((*(WrapperStruct00_var_1_14_Pointer)) == ((unsigned char) (! (*(WrapperStruct00_var_1_17_Pointer))))) : 1) : 1) : 1)) && ((((- (*(WrapperStruct00_var_1_5_Pointer))) != 1.9f) || (((*(WrapperStruct00_var_1_4_Pointer)) * (*(WrapperStruct00_var_1_13_Pointer))) < (*(WrapperStruct00_var_1_3_Pointer)))) ? ((*(WrapperStruct00_var_1_18_Pointer)) == ((unsigned char) (! (*(WrapperStruct00_var_1_19_Pointer))))) : ((*(WrapperStruct00_var_1_18_Pointer)) == ((unsigned char) (*(WrapperStruct00_var_1_19_Pointer))))) ; [L147] RET, EXPR property() [L147] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:36}, WrapperStruct00_var_1_11_Pointer={4:40}, WrapperStruct00_var_1_12_Pointer={4:44}, WrapperStruct00_var_1_13_Pointer={4:48}, WrapperStruct00_var_1_14_Pointer={4:52}, WrapperStruct00_var_1_17_Pointer={4:53}, WrapperStruct00_var_1_18_Pointer={4:54}, WrapperStruct00_var_1_19_Pointer={4:55}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_2_Pointer={4:4}, WrapperStruct00_var_1_3_Pointer={4:8}, WrapperStruct00_var_1_4_Pointer={4:12}, WrapperStruct00_var_1_5_Pointer={4:16}, WrapperStruct00_var_1_6_Pointer={4:20}, WrapperStruct00_var_1_7_Pointer={4:24}, WrapperStruct00_var_1_8_Pointer={4:28}, WrapperStruct00_var_1_9_Pointer={4:32}, \old(cond)=0, cond=0, isInitial=1] [L19] reach_error() VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:36}, WrapperStruct00_var_1_11_Pointer={4:40}, WrapperStruct00_var_1_12_Pointer={4:44}, WrapperStruct00_var_1_13_Pointer={4:48}, WrapperStruct00_var_1_14_Pointer={4:52}, WrapperStruct00_var_1_17_Pointer={4:53}, WrapperStruct00_var_1_18_Pointer={4:54}, WrapperStruct00_var_1_19_Pointer={4:55}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_2_Pointer={4:4}, WrapperStruct00_var_1_3_Pointer={4:8}, WrapperStruct00_var_1_4_Pointer={4:12}, WrapperStruct00_var_1_5_Pointer={4:16}, WrapperStruct00_var_1_6_Pointer={4:20}, WrapperStruct00_var_1_7_Pointer={4:24}, WrapperStruct00_var_1_8_Pointer={4:28}, WrapperStruct00_var_1_9_Pointer={4:32}, \old(cond)=0, cond=0, isInitial=1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 49 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 4.3s, OverallIterations: 1, TraceHistogramMax: 20, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=49occurred 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, 1.6s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 84 NumberOfCodeBlocks, 84 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-12-02 18:13:09,602 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c479da26-afce-48fc-9690-26016778ed8b/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_c479da26-afce-48fc-9690-26016778ed8b/bin/utaipan-verify-nQ1chXbOIh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c479da26-afce-48fc-9690-26016778ed8b/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_c479da26-afce-48fc-9690-26016778ed8b/bin/utaipan-verify-nQ1chXbOIh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c479da26-afce-48fc-9690-26016778ed8b/bin/utaipan-verify-nQ1chXbOIh/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-sp_file-23.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c479da26-afce-48fc-9690-26016778ed8b/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_c479da26-afce-48fc-9690-26016778ed8b/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 6ff28b25634280706396cfbea7901c68a9db0fe007a7f115a9dd84fe21326a05 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 18:13:11,647 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 18:13:11,726 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c479da26-afce-48fc-9690-26016778ed8b/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2023-12-02 18:13:11,732 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 18:13:11,733 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-02 18:13:11,762 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 18:13:11,762 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-02 18:13:11,763 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-02 18:13:11,764 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 18:13:11,765 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-02 18:13:11,765 INFO L153 SettingsManager]: * User list type=DISABLED [2023-12-02 18:13:11,766 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-12-02 18:13:11,766 INFO L153 SettingsManager]: * Explicit value domain=true [2023-12-02 18:13:11,767 INFO L153 SettingsManager]: * Octagon Domain=false [2023-12-02 18:13:11,768 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-12-02 18:13:11,768 INFO L153 SettingsManager]: * Interval Domain=false [2023-12-02 18:13:11,769 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 18:13:11,770 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 18:13:11,770 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 18:13:11,771 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 18:13:11,771 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 18:13:11,772 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 18:13:11,772 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 18:13:11,773 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 18:13:11,774 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-02 18:13:11,774 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-02 18:13:11,775 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-02 18:13:11,775 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 18:13:11,775 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 18:13:11,776 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 18:13:11,776 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 18:13:11,777 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-02 18:13:11,777 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-02 18:13:11,777 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-02 18:13:11,778 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 18:13:11,778 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 18:13:11,778 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 18:13:11,778 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 18:13:11,779 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-02 18:13:11,779 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 18:13:11,779 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-02 18:13:11,780 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 18:13:11,780 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-12-02 18:13:11,780 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 18:13:11,780 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_c479da26-afce-48fc-9690-26016778ed8b/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c479da26-afce-48fc-9690-26016778ed8b/bin/utaipan-verify-nQ1chXbOIh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6ff28b25634280706396cfbea7901c68a9db0fe007a7f115a9dd84fe21326a05 [2023-12-02 18:13:12,068 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 18:13:12,091 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 18:13:12,093 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 18:13:12,095 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 18:13:12,095 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 18:13:12,097 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c479da26-afce-48fc-9690-26016778ed8b/bin/utaipan-verify-nQ1chXbOIh/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-sp_file-23.i [2023-12-02 18:13:15,016 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 18:13:15,263 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 18:13:15,263 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c479da26-afce-48fc-9690-26016778ed8b/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-sp_file-23.i [2023-12-02 18:13:15,274 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c479da26-afce-48fc-9690-26016778ed8b/bin/utaipan-verify-nQ1chXbOIh/data/a6f41370d/1cfedb14557d49afbc3aa067585cdb7b/FLAG00d3552ad [2023-12-02 18:13:15,290 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c479da26-afce-48fc-9690-26016778ed8b/bin/utaipan-verify-nQ1chXbOIh/data/a6f41370d/1cfedb14557d49afbc3aa067585cdb7b [2023-12-02 18:13:15,292 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 18:13:15,294 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 18:13:15,295 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 18:13:15,295 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 18:13:15,301 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 18:13:15,301 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 06:13:15" (1/1) ... [2023-12-02 18:13:15,302 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5e15bb7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:13:15, skipping insertion in model container [2023-12-02 18:13:15,303 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 06:13:15" (1/1) ... [2023-12-02 18:13:15,342 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 18:13:15,509 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_c479da26-afce-48fc-9690-26016778ed8b/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-sp_file-23.i[917,930] [2023-12-02 18:13:15,576 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 18:13:15,596 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 18:13:15,610 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_c479da26-afce-48fc-9690-26016778ed8b/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-sp_file-23.i[917,930] [2023-12-02 18:13:15,649 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 18:13:15,677 INFO L206 MainTranslator]: Completed translation [2023-12-02 18:13:15,678 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:13:15 WrapperNode [2023-12-02 18:13:15,678 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 18:13:15,679 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 18:13:15,679 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 18:13:15,679 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 18:13:15,688 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:13:15" (1/1) ... [2023-12-02 18:13:15,709 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:13:15" (1/1) ... [2023-12-02 18:13:15,751 INFO L138 Inliner]: procedures = 33, calls = 178, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 499 [2023-12-02 18:13:15,752 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 18:13:15,753 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 18:13:15,753 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 18:13:15,753 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 18:13:15,764 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:13:15" (1/1) ... [2023-12-02 18:13:15,764 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:13:15" (1/1) ... [2023-12-02 18:13:15,773 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:13:15" (1/1) ... [2023-12-02 18:13:15,774 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:13:15" (1/1) ... [2023-12-02 18:13:15,798 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:13:15" (1/1) ... [2023-12-02 18:13:15,804 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:13:15" (1/1) ... [2023-12-02 18:13:15,809 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:13:15" (1/1) ... [2023-12-02 18:13:15,813 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:13:15" (1/1) ... [2023-12-02 18:13:15,820 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 18:13:15,822 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 18:13:15,822 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 18:13:15,822 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 18:13:15,823 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:13:15" (1/1) ... [2023-12-02 18:13:15,829 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 18:13:15,841 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c479da26-afce-48fc-9690-26016778ed8b/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 18:13:15,854 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c479da26-afce-48fc-9690-26016778ed8b/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-12-02 18:13:15,860 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c479da26-afce-48fc-9690-26016778ed8b/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-12-02 18:13:15,893 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 18:13:15,894 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2023-12-02 18:13:15,894 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-02 18:13:15,894 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2023-12-02 18:13:15,894 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2023-12-02 18:13:15,894 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-12-02 18:13:15,894 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2023-12-02 18:13:15,895 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4 [2023-12-02 18:13:15,895 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-02 18:13:15,895 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-02 18:13:15,895 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 18:13:15,895 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 18:13:15,896 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2023-12-02 18:13:15,896 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-12-02 18:13:16,053 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 18:13:16,056 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 18:13:31,336 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 18:13:31,384 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 18:13:31,385 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-02 18:13:31,385 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 06:13:31 BoogieIcfgContainer [2023-12-02 18:13:31,385 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 18:13:31,389 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-02 18:13:31,389 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-02 18:13:31,392 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-02 18:13:31,392 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 06:13:15" (1/3) ... [2023-12-02 18:13:31,393 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2ed93fcf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 06:13:31, skipping insertion in model container [2023-12-02 18:13:31,393 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:13:15" (2/3) ... [2023-12-02 18:13:31,394 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2ed93fcf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 06:13:31, skipping insertion in model container [2023-12-02 18:13:31,394 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 06:13:31" (3/3) ... [2023-12-02 18:13:31,395 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-sp_file-23.i [2023-12-02 18:13:31,415 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-02 18:13:31,415 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-02 18:13:31,464 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-02 18:13:31,470 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;@50c5c1d3, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-02 18:13:31,470 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-02 18:13:31,474 INFO L276 IsEmpty]: Start isEmpty. Operand has 117 states, 94 states have (on average 1.446808510638298) internal successors, (136), 95 states have internal predecessors, (136), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2023-12-02 18:13:31,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2023-12-02 18:13:31,490 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 18:13:31,491 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 18:13:31,491 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 18:13:31,495 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 18:13:31,495 INFO L85 PathProgramCache]: Analyzing trace with hash -1736740809, now seen corresponding path program 1 times [2023-12-02 18:13:31,506 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 18:13:31,507 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1704859290] [2023-12-02 18:13:31,507 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 18:13:31,507 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 18:13:31,507 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c479da26-afce-48fc-9690-26016778ed8b/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 18:13:31,509 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c479da26-afce-48fc-9690-26016778ed8b/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-02 18:13:31,510 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c479da26-afce-48fc-9690-26016778ed8b/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2023-12-02 18:13:32,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 18:13:32,167 INFO L262 TraceCheckSpWp]: Trace formula consists of 351 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 18:13:32,179 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 18:13:32,220 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 374 proven. 0 refuted. 0 times theorem prover too weak. 386 trivial. 0 not checked. [2023-12-02 18:13:32,220 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 18:13:32,221 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 18:13:32,221 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1704859290] [2023-12-02 18:13:32,222 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1704859290] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 18:13:32,222 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 18:13:32,222 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-02 18:13:32,223 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [636770529] [2023-12-02 18:13:32,224 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 18:13:32,228 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-12-02 18:13:32,228 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 18:13:32,251 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-12-02 18:13:32,252 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-02 18:13:32,254 INFO L87 Difference]: Start difference. First operand has 117 states, 94 states have (on average 1.446808510638298) internal successors, (136), 95 states have internal predecessors, (136), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) Second operand has 2 states, 2 states have (on average 33.5) internal successors, (67), 2 states have internal predecessors, (67), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2023-12-02 18:13:32,308 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 18:13:32,308 INFO L93 Difference]: Finished difference Result 231 states and 370 transitions. [2023-12-02 18:13:32,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 18:13:32,310 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 33.5) internal successors, (67), 2 states have internal predecessors, (67), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 160 [2023-12-02 18:13:32,311 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 18:13:32,318 INFO L225 Difference]: With dead ends: 231 [2023-12-02 18:13:32,318 INFO L226 Difference]: Without dead ends: 115 [2023-12-02 18:13:32,321 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 159 GetRequests, 159 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-02 18:13:32,324 INFO L413 NwaCegarLoop]: 167 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, 167 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 18:13:32,326 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 167 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-02 18:13:32,340 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2023-12-02 18:13:32,365 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 115. [2023-12-02 18:13:32,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 115 states, 93 states have (on average 1.4086021505376345) internal successors, (131), 93 states have internal predecessors, (131), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2023-12-02 18:13:32,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 171 transitions. [2023-12-02 18:13:32,370 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 171 transitions. Word has length 160 [2023-12-02 18:13:32,371 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 18:13:32,371 INFO L495 AbstractCegarLoop]: Abstraction has 115 states and 171 transitions. [2023-12-02 18:13:32,371 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 33.5) internal successors, (67), 2 states have internal predecessors, (67), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2023-12-02 18:13:32,371 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 171 transitions. [2023-12-02 18:13:32,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2023-12-02 18:13:32,376 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 18:13:32,376 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 18:13:32,388 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c479da26-afce-48fc-9690-26016778ed8b/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2023-12-02 18:13:32,579 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c479da26-afce-48fc-9690-26016778ed8b/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 18:13:32,580 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 18:13:32,580 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 18:13:32,580 INFO L85 PathProgramCache]: Analyzing trace with hash -847413245, now seen corresponding path program 1 times [2023-12-02 18:13:32,582 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 18:13:32,582 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [681551307] [2023-12-02 18:13:32,582 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 18:13:32,582 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 18:13:32,582 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c479da26-afce-48fc-9690-26016778ed8b/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 18:13:32,584 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c479da26-afce-48fc-9690-26016778ed8b/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-02 18:13:32,585 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c479da26-afce-48fc-9690-26016778ed8b/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2023-12-02 18:13:33,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 18:13:33,154 INFO L262 TraceCheckSpWp]: Trace formula consists of 351 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 18:13:33,161 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 18:13:33,218 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 384 proven. 0 refuted. 0 times theorem prover too weak. 376 trivial. 0 not checked. [2023-12-02 18:13:33,218 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 18:13:33,219 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 18:13:33,219 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [681551307] [2023-12-02 18:13:33,219 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [681551307] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 18:13:33,219 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 18:13:33,220 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-02 18:13:33,222 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1935769060] [2023-12-02 18:13:33,222 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 18:13:33,224 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-02 18:13:33,224 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 18:13:33,225 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-02 18:13:33,235 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-02 18:13:33,235 INFO L87 Difference]: Start difference. First operand 115 states and 171 transitions. Second operand has 4 states, 4 states have (on average 16.5) internal successors, (66), 4 states have internal predecessors, (66), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2023-12-02 18:13:33,354 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 18:13:33,354 INFO L93 Difference]: Finished difference Result 235 states and 350 transitions. [2023-12-02 18:13:33,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-02 18:13:33,355 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.5) internal successors, (66), 4 states have internal predecessors, (66), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 160 [2023-12-02 18:13:33,355 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 18:13:33,357 INFO L225 Difference]: With dead ends: 235 [2023-12-02 18:13:33,357 INFO L226 Difference]: Without dead ends: 121 [2023-12-02 18:13:33,359 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 160 GetRequests, 157 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-12-02 18:13:33,360 INFO L413 NwaCegarLoop]: 166 mSDtfsCounter, 10 mSDsluCounter, 324 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 490 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-02 18:13:33,360 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 490 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-02 18:13:33,362 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states. [2023-12-02 18:13:33,374 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 117. [2023-12-02 18:13:33,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 117 states, 95 states have (on average 1.4) internal successors, (133), 95 states have internal predecessors, (133), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2023-12-02 18:13:33,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 173 transitions. [2023-12-02 18:13:33,377 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 173 transitions. Word has length 160 [2023-12-02 18:13:33,377 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 18:13:33,377 INFO L495 AbstractCegarLoop]: Abstraction has 117 states and 173 transitions. [2023-12-02 18:13:33,378 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.5) internal successors, (66), 4 states have internal predecessors, (66), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2023-12-02 18:13:33,378 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 173 transitions. [2023-12-02 18:13:33,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2023-12-02 18:13:33,381 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 18:13:33,381 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 18:13:33,395 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c479da26-afce-48fc-9690-26016778ed8b/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2023-12-02 18:13:33,587 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c479da26-afce-48fc-9690-26016778ed8b/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 18:13:33,587 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 18:13:33,588 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 18:13:33,588 INFO L85 PathProgramCache]: Analyzing trace with hash 459729153, now seen corresponding path program 1 times [2023-12-02 18:13:33,589 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 18:13:33,589 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1513290402] [2023-12-02 18:13:33,589 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 18:13:33,589 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 18:13:33,589 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c479da26-afce-48fc-9690-26016778ed8b/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 18:13:33,590 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c479da26-afce-48fc-9690-26016778ed8b/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-02 18:13:33,591 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c479da26-afce-48fc-9690-26016778ed8b/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 18:13:34,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 18:13:34,184 INFO L262 TraceCheckSpWp]: Trace formula consists of 353 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-02 18:13:34,191 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 18:13:34,537 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 95 treesize of output 41 [2023-12-02 18:13:34,593 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 384 proven. 0 refuted. 0 times theorem prover too weak. 376 trivial. 0 not checked. [2023-12-02 18:13:34,593 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 18:13:34,594 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 18:13:34,594 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1513290402] [2023-12-02 18:13:34,594 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1513290402] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 18:13:34,594 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 18:13:34,594 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-02 18:13:34,595 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1631980719] [2023-12-02 18:13:34,595 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 18:13:34,596 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-12-02 18:13:34,596 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 18:13:34,597 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-12-02 18:13:34,597 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-12-02 18:13:34,597 INFO L87 Difference]: Start difference. First operand 117 states and 173 transitions. Second operand has 6 states, 6 states have (on average 11.0) internal successors, (66), 5 states have internal predecessors, (66), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2023-12-02 18:13:36,855 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.54s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 18:13:38,680 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.73s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 18:13:40,665 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.72s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 18:13:42,578 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.82s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 18:13:44,530 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.83s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 18:13:46,765 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.15s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 18:13:48,389 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.62s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 18:13:50,680 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.12s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 18:13:52,969 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.16s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 18:13:54,459 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 18:13:54,629 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 18:13:54,630 INFO L93 Difference]: Finished difference Result 237 states and 351 transitions. [2023-12-02 18:13:54,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-12-02 18:13:54,631 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.0) internal successors, (66), 5 states have internal predecessors, (66), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 160 [2023-12-02 18:13:54,632 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 18:13:54,633 INFO L225 Difference]: With dead ends: 237 [2023-12-02 18:13:54,633 INFO L226 Difference]: Without dead ends: 121 [2023-12-02 18:13:54,634 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 163 GetRequests, 155 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=35, Invalid=55, Unknown=0, NotChecked=0, Total=90 [2023-12-02 18:13:54,636 INFO L413 NwaCegarLoop]: 135 mSDtfsCounter, 152 mSDsluCounter, 313 mSDsCounter, 0 mSdLazyCounter, 221 mSolverCounterSat, 5 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 19.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 152 SdHoareTripleChecker+Valid, 448 SdHoareTripleChecker+Invalid, 229 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 221 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 19.9s IncrementalHoareTripleChecker+Time [2023-12-02 18:13:54,637 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [152 Valid, 448 Invalid, 229 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 221 Invalid, 3 Unknown, 0 Unchecked, 19.9s Time] [2023-12-02 18:13:54,638 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states. [2023-12-02 18:13:54,650 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 115. [2023-12-02 18:13:54,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 115 states, 93 states have (on average 1.3978494623655915) internal successors, (130), 93 states have internal predecessors, (130), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2023-12-02 18:13:54,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 170 transitions. [2023-12-02 18:13:54,652 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 170 transitions. Word has length 160 [2023-12-02 18:13:54,653 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 18:13:54,653 INFO L495 AbstractCegarLoop]: Abstraction has 115 states and 170 transitions. [2023-12-02 18:13:54,653 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.0) internal successors, (66), 5 states have internal predecessors, (66), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2023-12-02 18:13:54,653 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 170 transitions. [2023-12-02 18:13:54,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2023-12-02 18:13:54,657 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 18:13:54,657 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 18:13:54,673 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c479da26-afce-48fc-9690-26016778ed8b/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 18:13:54,858 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c479da26-afce-48fc-9690-26016778ed8b/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 18:13:54,858 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 18:13:54,859 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 18:13:54,859 INFO L85 PathProgramCache]: Analyzing trace with hash 89732105, now seen corresponding path program 1 times [2023-12-02 18:13:54,860 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 18:13:54,860 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1450132089] [2023-12-02 18:13:54,860 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 18:13:54,861 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 18:13:54,861 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c479da26-afce-48fc-9690-26016778ed8b/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 18:13:54,862 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c479da26-afce-48fc-9690-26016778ed8b/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-02 18:13:54,863 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c479da26-afce-48fc-9690-26016778ed8b/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 18:13:55,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 18:13:55,451 INFO L262 TraceCheckSpWp]: Trace formula consists of 357 conjuncts, 10 conjunts are in the unsatisfiable core [2023-12-02 18:13:55,458 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 18:13:55,935 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 94 treesize of output 40 [2023-12-02 18:13:56,078 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 396 proven. 32 refuted. 0 times theorem prover too weak. 332 trivial. 0 not checked. [2023-12-02 18:13:56,079 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 18:13:56,433 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 58 treesize of output 22 [2023-12-02 18:13:56,457 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 24 proven. 33 refuted. 0 times theorem prover too weak. 703 trivial. 0 not checked. [2023-12-02 18:13:56,458 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 18:13:56,458 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1450132089] [2023-12-02 18:13:56,458 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1450132089] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 18:13:56,458 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [909663306] [2023-12-02 18:13:56,458 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 18:13:56,459 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 18:13:56,459 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c479da26-afce-48fc-9690-26016778ed8b/bin/utaipan-verify-nQ1chXbOIh/cvc4 [2023-12-02 18:13:56,460 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c479da26-afce-48fc-9690-26016778ed8b/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 18:13:56,461 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c479da26-afce-48fc-9690-26016778ed8b/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2023-12-02 18:13:58,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 18:13:58,226 INFO L262 TraceCheckSpWp]: Trace formula consists of 357 conjuncts, 29 conjunts are in the unsatisfiable core [2023-12-02 18:13:58,236 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 18:14:05,350 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 15 treesize of output 1 [2023-12-02 18:14:06,499 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 25 treesize of output 13 [2023-12-02 18:14:06,701 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 25 treesize of output 13 [2023-12-02 18:14:06,859 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 88 treesize of output 66 [2023-12-02 18:14:06,868 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 18:14:06,927 INFO L349 Elim1Store]: treesize reduction 32, result has 22.0 percent of original size [2023-12-02 18:14:06,927 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 66 treesize of output 77 [2023-12-02 18:14:07,072 INFO L349 Elim1Store]: treesize reduction 16, result has 55.6 percent of original size [2023-12-02 18:14:07,073 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 2 case distinctions, treesize of input 28 treesize of output 31 [2023-12-02 18:14:07,274 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 18:14:07,275 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 30 treesize of output 26 [2023-12-02 18:14:07,381 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 76 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2023-12-02 18:14:07,381 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 18:14:08,490 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [909663306] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 18:14:08,490 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [962841820] [2023-12-02 18:14:08,490 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 18:14:08,491 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 18:14:08,491 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c479da26-afce-48fc-9690-26016778ed8b/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 18:14:08,492 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c479da26-afce-48fc-9690-26016778ed8b/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 18:14:08,493 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c479da26-afce-48fc-9690-26016778ed8b/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-12-02 18:14:08,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 18:14:08,875 INFO L262 TraceCheckSpWp]: Trace formula consists of 357 conjuncts, 24 conjunts are in the unsatisfiable core [2023-12-02 18:14:08,882 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 18:14:14,550 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 15 treesize of output 15 [2023-12-02 18:14:14,901 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 27 treesize of output 18 [2023-12-02 18:14:15,171 INFO L349 Elim1Store]: treesize reduction 12, result has 60.0 percent of original size [2023-12-02 18:14:15,171 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 2 new quantified variables, introduced 3 case distinctions, treesize of input 62 treesize of output 66 [2023-12-02 18:14:15,217 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 18:14:15,219 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 70 [2023-12-02 18:14:15,337 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 19 [2023-12-02 18:14:15,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 18:14:15,515 INFO L349 Elim1Store]: treesize reduction 94, result has 22.3 percent of original size [2023-12-02 18:14:15,516 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 6 new quantified variables, introduced 9 case distinctions, treesize of input 42 treesize of output 92 [2023-12-02 18:14:15,874 INFO L349 Elim1Store]: treesize reduction 56, result has 41.1 percent of original size [2023-12-02 18:14:15,874 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 7 case distinctions, treesize of input 46 treesize of output 71 [2023-12-02 18:14:16,437 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 18:14:16,438 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 56 treesize of output 24 [2023-12-02 18:14:16,621 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2023-12-02 18:14:16,621 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 18:14:16,621 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [962841820] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 18:14:16,621 INFO L185 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2023-12-02 18:14:16,621 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [9, 8, 11] total 30 [2023-12-02 18:14:16,622 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2055087504] [2023-12-02 18:14:16,622 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 18:14:16,623 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-12-02 18:14:16,623 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 18:14:16,624 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-12-02 18:14:16,625 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=106, Invalid=1154, Unknown=0, NotChecked=0, Total=1260 [2023-12-02 18:14:16,625 INFO L87 Difference]: Start difference. First operand 115 states and 170 transitions. Second operand has 10 states, 10 states have (on average 6.5) internal successors, (65), 9 states have internal predecessors, (65), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2023-12-02 18:14:20,057 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.12s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 18:14:22,059 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 18:14:24,063 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 18:14:28,040 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.12s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 18:14:31,144 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.13s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 18:14:33,325 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.13s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 18:14:36,979 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 18:14:38,897 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.92s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 18:14:41,101 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.12s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 18:14:43,060 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.96s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 18:14:44,861 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.39s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 18:14:46,476 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.46s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 18:14:48,676 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.12s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 18:14:50,310 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.15s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 18:14:50,576 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 18:14:50,576 INFO L93 Difference]: Finished difference Result 332 states and 491 transitions. [2023-12-02 18:14:50,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-12-02 18:14:50,578 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 6.5) internal successors, (65), 9 states have internal predecessors, (65), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 162 [2023-12-02 18:14:50,579 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 18:14:50,581 INFO L225 Difference]: With dead ends: 332 [2023-12-02 18:14:50,581 INFO L226 Difference]: Without dead ends: 218 [2023-12-02 18:14:50,582 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 676 GetRequests, 635 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 398 ImplicationChecksByTransitivity, 4.2s TimeCoverageRelationStatistics Valid=168, Invalid=1638, Unknown=0, NotChecked=0, Total=1806 [2023-12-02 18:14:50,583 INFO L413 NwaCegarLoop]: 145 mSDtfsCounter, 357 mSDsluCounter, 562 mSDsCounter, 0 mSdLazyCounter, 732 mSolverCounterSat, 6 mSolverCounterUnsat, 9 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 32.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 357 SdHoareTripleChecker+Valid, 707 SdHoareTripleChecker+Invalid, 747 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 732 IncrementalHoareTripleChecker+Invalid, 9 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 32.9s IncrementalHoareTripleChecker+Time [2023-12-02 18:14:50,584 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [357 Valid, 707 Invalid, 747 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 732 Invalid, 9 Unknown, 0 Unchecked, 32.9s Time] [2023-12-02 18:14:50,585 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 218 states. [2023-12-02 18:14:50,600 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 218 to 130. [2023-12-02 18:14:50,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 130 states, 108 states have (on average 1.4166666666666667) internal successors, (153), 108 states have internal predecessors, (153), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2023-12-02 18:14:50,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 130 states and 193 transitions. [2023-12-02 18:14:50,602 INFO L78 Accepts]: Start accepts. Automaton has 130 states and 193 transitions. Word has length 162 [2023-12-02 18:14:50,603 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 18:14:50,603 INFO L495 AbstractCegarLoop]: Abstraction has 130 states and 193 transitions. [2023-12-02 18:14:50,603 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 6.5) internal successors, (65), 9 states have internal predecessors, (65), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2023-12-02 18:14:50,603 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 193 transitions. [2023-12-02 18:14:50,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2023-12-02 18:14:50,605 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 18:14:50,606 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 18:14:50,615 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c479da26-afce-48fc-9690-26016778ed8b/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2023-12-02 18:14:50,824 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c479da26-afce-48fc-9690-26016778ed8b/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2023-12-02 18:14:51,018 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c479da26-afce-48fc-9690-26016778ed8b/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)] Forceful destruction successful, exit code 0 [2023-12-02 18:14:51,206 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c479da26-afce-48fc-9690-26016778ed8b/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c479da26-afce-48fc-9690-26016778ed8b/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c479da26-afce-48fc-9690-26016778ed8b/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 18:14:51,207 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 18:14:51,207 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 18:14:51,207 INFO L85 PathProgramCache]: Analyzing trace with hash 347897543, now seen corresponding path program 1 times [2023-12-02 18:14:51,208 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 18:14:51,208 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [448651844] [2023-12-02 18:14:51,208 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 18:14:51,208 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 18:14:51,208 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c479da26-afce-48fc-9690-26016778ed8b/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 18:14:51,209 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c479da26-afce-48fc-9690-26016778ed8b/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-02 18:14:51,210 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c479da26-afce-48fc-9690-26016778ed8b/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 18:14:51,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 18:14:51,724 INFO L262 TraceCheckSpWp]: Trace formula consists of 357 conjuncts, 10 conjunts are in the unsatisfiable core [2023-12-02 18:14:51,728 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 18:14:52,094 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 94 treesize of output 40 [2023-12-02 18:14:52,230 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 396 proven. 32 refuted. 0 times theorem prover too weak. 332 trivial. 0 not checked. [2023-12-02 18:14:52,231 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 18:14:52,545 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 58 treesize of output 22 [2023-12-02 18:14:52,570 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 24 proven. 33 refuted. 0 times theorem prover too weak. 703 trivial. 0 not checked. [2023-12-02 18:14:52,570 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 18:14:52,570 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [448651844] [2023-12-02 18:14:52,571 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [448651844] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 18:14:52,571 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [16210565] [2023-12-02 18:14:52,571 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 18:14:52,571 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 18:14:52,571 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c479da26-afce-48fc-9690-26016778ed8b/bin/utaipan-verify-nQ1chXbOIh/cvc4 [2023-12-02 18:14:52,572 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c479da26-afce-48fc-9690-26016778ed8b/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 18:14:52,573 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c479da26-afce-48fc-9690-26016778ed8b/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2023-12-02 18:14:54,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 18:14:54,190 INFO L262 TraceCheckSpWp]: Trace formula consists of 357 conjuncts, 29 conjunts are in the unsatisfiable core [2023-12-02 18:14:54,197 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 18:15:00,575 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 12 treesize of output 8 [2023-12-02 18:15:01,935 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 33 treesize of output 17 [2023-12-02 18:15:02,174 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 12 [2023-12-02 18:15:02,355 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 87 treesize of output 65 [2023-12-02 18:15:02,362 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 18:15:02,401 INFO L349 Elim1Store]: treesize reduction 32, result has 22.0 percent of original size [2023-12-02 18:15:02,401 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 65 treesize of output 76 [2023-12-02 18:15:02,417 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 4 [2023-12-02 18:15:02,592 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 18:15:02,592 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 36 treesize of output 32 [2023-12-02 18:15:02,673 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 72 proven. 76 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2023-12-02 18:15:02,673 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 18:15:03,654 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [16210565] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 18:15:03,654 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1064225170] [2023-12-02 18:15:03,655 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 18:15:03,655 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 18:15:03,655 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c479da26-afce-48fc-9690-26016778ed8b/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 18:15:03,656 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c479da26-afce-48fc-9690-26016778ed8b/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 18:15:03,657 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c479da26-afce-48fc-9690-26016778ed8b/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2023-12-02 18:15:04,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 18:15:04,050 INFO L262 TraceCheckSpWp]: Trace formula consists of 357 conjuncts, 25 conjunts are in the unsatisfiable core [2023-12-02 18:15:04,061 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 18:15:11,826 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 25 treesize of output 13 [2023-12-02 18:15:12,144 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 25 treesize of output 13 [2023-12-02 18:15:12,725 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 85 treesize of output 61 [2023-12-02 18:15:12,729 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 18:15:12,849 INFO L349 Elim1Store]: treesize reduction 62, result has 30.3 percent of original size [2023-12-02 18:15:12,850 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 61 treesize of output 87 [2023-12-02 18:15:12,874 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 4 [2023-12-02 18:15:13,220 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 18:15:13,220 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 30 treesize of output 26 [2023-12-02 18:15:13,231 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 76 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2023-12-02 18:15:13,231 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 18:15:14,801 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1064225170] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 18:15:14,801 INFO L185 FreeRefinementEngine]: Found 0 perfect and 4 imperfect interpolant sequences. [2023-12-02 18:15:14,802 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 8, 12, 12] total 33 [2023-12-02 18:15:14,802 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1655443240] [2023-12-02 18:15:14,802 INFO L85 oduleStraightlineAll]: Using 4 imperfect interpolants to construct interpolant automaton [2023-12-02 18:15:14,804 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 33 states [2023-12-02 18:15:14,804 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 18:15:14,806 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2023-12-02 18:15:14,807 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=149, Invalid=1411, Unknown=0, NotChecked=0, Total=1560 [2023-12-02 18:15:14,807 INFO L87 Difference]: Start difference. First operand 130 states and 193 transitions. Second operand has 33 states, 30 states have (on average 7.033333333333333) internal successors, (211), 31 states have internal predecessors, (211), 9 states have call successors, (79), 8 states have call predecessors, (79), 9 states have return successors, (79), 8 states have call predecessors, (79), 9 states have call successors, (79) [2023-12-02 18:15:23,441 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.85s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 18:15:26,580 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.15s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 18:15:28,301 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.72s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 18:15:32,202 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.18s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 18:15:35,051 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.74s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 18:15:38,347 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 18:15:40,577 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.16s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 18:15:43,590 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.67s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 18:15:45,847 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.14s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 18:15:47,082 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.23s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 18:15:48,914 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.61s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 18:15:51,996 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 18:15:54,628 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.66s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 18:15:58,130 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.16s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 18:16:00,134 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 18:16:02,138 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 18:16:04,140 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 18:16:08,499 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.13s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 18:16:10,506 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 18:16:12,670 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.16s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 18:16:15,837 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 18:16:19,201 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.55s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 18:16:22,367 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 18:16:28,329 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 18:16:29,617 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.17s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 18:16:37,172 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 18:16:37,172 INFO L93 Difference]: Finished difference Result 534 states and 776 transitions. [2023-12-02 18:16:37,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2023-12-02 18:16:37,173 INFO L78 Accepts]: Start accepts. Automaton has has 33 states, 30 states have (on average 7.033333333333333) internal successors, (211), 31 states have internal predecessors, (211), 9 states have call successors, (79), 8 states have call predecessors, (79), 9 states have return successors, (79), 8 states have call predecessors, (79), 9 states have call successors, (79) Word has length 162 [2023-12-02 18:16:37,174 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 18:16:37,176 INFO L225 Difference]: With dead ends: 534 [2023-12-02 18:16:37,176 INFO L226 Difference]: Without dead ends: 372 [2023-12-02 18:16:37,179 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 744 GetRequests, 661 SyntacticMatches, 1 SemanticMatches, 82 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1785 ImplicationChecksByTransitivity, 11.9s TimeCoverageRelationStatistics Valid=1069, Invalid=5903, Unknown=0, NotChecked=0, Total=6972 [2023-12-02 18:16:37,179 INFO L413 NwaCegarLoop]: 91 mSDtfsCounter, 1811 mSDsluCounter, 1571 mSDsCounter, 0 mSdLazyCounter, 3525 mSolverCounterSat, 344 mSolverCounterUnsat, 13 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 73.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1811 SdHoareTripleChecker+Valid, 1662 SdHoareTripleChecker+Invalid, 3882 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 344 IncrementalHoareTripleChecker+Valid, 3525 IncrementalHoareTripleChecker+Invalid, 13 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 75.6s IncrementalHoareTripleChecker+Time [2023-12-02 18:16:37,179 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1811 Valid, 1662 Invalid, 3882 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [344 Valid, 3525 Invalid, 13 Unknown, 0 Unchecked, 75.6s Time] [2023-12-02 18:16:37,180 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 372 states. [2023-12-02 18:16:37,222 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 372 to 236. [2023-12-02 18:16:37,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 236 states, 195 states have (on average 1.3897435897435897) internal successors, (271), 196 states have internal predecessors, (271), 38 states have call successors, (38), 2 states have call predecessors, (38), 2 states have return successors, (38), 37 states have call predecessors, (38), 38 states have call successors, (38) [2023-12-02 18:16:37,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 236 states and 347 transitions. [2023-12-02 18:16:37,225 INFO L78 Accepts]: Start accepts. Automaton has 236 states and 347 transitions. Word has length 162 [2023-12-02 18:16:37,226 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 18:16:37,226 INFO L495 AbstractCegarLoop]: Abstraction has 236 states and 347 transitions. [2023-12-02 18:16:37,226 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 33 states, 30 states have (on average 7.033333333333333) internal successors, (211), 31 states have internal predecessors, (211), 9 states have call successors, (79), 8 states have call predecessors, (79), 9 states have return successors, (79), 8 states have call predecessors, (79), 9 states have call successors, (79) [2023-12-02 18:16:37,226 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 347 transitions. [2023-12-02 18:16:37,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2023-12-02 18:16:37,229 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 18:16:37,229 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 18:16:37,241 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c479da26-afce-48fc-9690-26016778ed8b/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (9)] Forceful destruction successful, exit code 0 [2023-12-02 18:16:37,449 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c479da26-afce-48fc-9690-26016778ed8b/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2023-12-02 18:16:37,640 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c479da26-afce-48fc-9690-26016778ed8b/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)] Forceful destruction successful, exit code 0 [2023-12-02 18:16:37,830 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c479da26-afce-48fc-9690-26016778ed8b/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt,10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c479da26-afce-48fc-9690-26016778ed8b/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c479da26-afce-48fc-9690-26016778ed8b/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 18:16:37,830 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 18:16:37,830 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 18:16:37,831 INFO L85 PathProgramCache]: Analyzing trace with hash 1102057797, now seen corresponding path program 1 times [2023-12-02 18:16:37,831 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 18:16:37,831 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [19083151] [2023-12-02 18:16:37,831 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 18:16:37,831 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 18:16:37,831 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c479da26-afce-48fc-9690-26016778ed8b/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 18:16:37,832 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c479da26-afce-48fc-9690-26016778ed8b/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-02 18:16:37,833 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c479da26-afce-48fc-9690-26016778ed8b/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 (11)] Waiting until timeout for monitored process [2023-12-02 18:16:38,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 18:16:38,311 INFO L262 TraceCheckSpWp]: Trace formula consists of 359 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-02 18:16:38,313 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 18:16:38,327 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2023-12-02 18:16:38,327 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 18:16:38,327 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 18:16:38,327 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [19083151] [2023-12-02 18:16:38,327 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [19083151] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 18:16:38,327 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 18:16:38,327 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-02 18:16:38,327 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1517273804] [2023-12-02 18:16:38,327 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 18:16:38,328 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-02 18:16:38,328 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 18:16:38,328 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-02 18:16:38,328 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 18:16:38,328 INFO L87 Difference]: Start difference. First operand 236 states and 347 transitions. Second operand has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 3 states have internal predecessors, (65), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2023-12-02 18:16:38,417 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 18:16:38,417 INFO L93 Difference]: Finished difference Result 474 states and 699 transitions. [2023-12-02 18:16:38,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 18:16:38,417 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 3 states have internal predecessors, (65), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 162 [2023-12-02 18:16:38,418 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 18:16:38,420 INFO L225 Difference]: With dead ends: 474 [2023-12-02 18:16:38,420 INFO L226 Difference]: Without dead ends: 239 [2023-12-02 18:16:38,421 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 161 GetRequests, 160 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 18:16:38,421 INFO L413 NwaCegarLoop]: 163 mSDtfsCounter, 0 mSDsluCounter, 158 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 321 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-02 18:16:38,422 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 321 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-02 18:16:38,422 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 239 states. [2023-12-02 18:16:38,445 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 239 to 239. [2023-12-02 18:16:38,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 239 states, 198 states have (on average 1.3838383838383839) internal successors, (274), 199 states have internal predecessors, (274), 38 states have call successors, (38), 2 states have call predecessors, (38), 2 states have return successors, (38), 37 states have call predecessors, (38), 38 states have call successors, (38) [2023-12-02 18:16:38,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 239 states and 350 transitions. [2023-12-02 18:16:38,447 INFO L78 Accepts]: Start accepts. Automaton has 239 states and 350 transitions. Word has length 162 [2023-12-02 18:16:38,447 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 18:16:38,447 INFO L495 AbstractCegarLoop]: Abstraction has 239 states and 350 transitions. [2023-12-02 18:16:38,448 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 3 states have internal predecessors, (65), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2023-12-02 18:16:38,448 INFO L276 IsEmpty]: Start isEmpty. Operand 239 states and 350 transitions. [2023-12-02 18:16:38,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2023-12-02 18:16:38,449 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 18:16:38,450 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 18:16:38,463 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c479da26-afce-48fc-9690-26016778ed8b/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 (11)] Forceful destruction successful, exit code 0 [2023-12-02 18:16:38,650 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c479da26-afce-48fc-9690-26016778ed8b/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 18:16:38,650 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 18:16:38,651 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 18:16:38,651 INFO L85 PathProgramCache]: Analyzing trace with hash -486290105, now seen corresponding path program 1 times [2023-12-02 18:16:38,651 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 18:16:38,651 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1840713942] [2023-12-02 18:16:38,651 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 18:16:38,652 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 18:16:38,652 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c479da26-afce-48fc-9690-26016778ed8b/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 18:16:38,652 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c479da26-afce-48fc-9690-26016778ed8b/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-02 18:16:38,654 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c479da26-afce-48fc-9690-26016778ed8b/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 (12)] Waiting until timeout for monitored process [2023-12-02 18:16:39,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 18:16:39,179 INFO L262 TraceCheckSpWp]: Trace formula consists of 363 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-02 18:16:39,182 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 18:16:39,483 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 95 treesize of output 41 [2023-12-02 18:16:39,531 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 396 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2023-12-02 18:16:39,531 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 18:16:39,531 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 18:16:39,531 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1840713942] [2023-12-02 18:16:39,532 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1840713942] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 18:16:39,532 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 18:16:39,532 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-02 18:16:39,532 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1200764094] [2023-12-02 18:16:39,532 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 18:16:39,533 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-12-02 18:16:39,533 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 18:16:39,533 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-12-02 18:16:39,533 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-12-02 18:16:39,534 INFO L87 Difference]: Start difference. First operand 239 states and 350 transitions. Second operand has 6 states, 6 states have (on average 11.333333333333334) internal successors, (68), 5 states have internal predecessors, (68), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2023-12-02 18:16:42,018 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.83s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 18:16:44,286 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.17s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 18:16:46,288 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 18:16:48,293 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 18:16:50,296 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 18:16:52,550 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.12s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 18:16:55,299 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.86s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 18:16:57,569 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.12s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 18:16:58,821 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.25s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 18:17:01,050 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.16s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 18:17:02,215 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.16s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 18:17:04,096 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.70s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 18:17:06,481 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.39s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 18:17:06,671 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 18:17:06,671 INFO L93 Difference]: Finished difference Result 489 states and 717 transitions. [2023-12-02 18:17:06,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-12-02 18:17:06,672 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.333333333333334) internal successors, (68), 5 states have internal predecessors, (68), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 162 [2023-12-02 18:17:06,672 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 18:17:06,674 INFO L225 Difference]: With dead ends: 489 [2023-12-02 18:17:06,674 INFO L226 Difference]: Without dead ends: 251 [2023-12-02 18:17:06,675 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 165 GetRequests, 157 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=35, Invalid=55, Unknown=0, NotChecked=0, Total=90 [2023-12-02 18:17:06,675 INFO L413 NwaCegarLoop]: 134 mSDtfsCounter, 136 mSDsluCounter, 306 mSDsCounter, 0 mSdLazyCounter, 217 mSolverCounterSat, 5 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 26.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 136 SdHoareTripleChecker+Valid, 440 SdHoareTripleChecker+Invalid, 229 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 217 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 27.0s IncrementalHoareTripleChecker+Time [2023-12-02 18:17:06,676 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [136 Valid, 440 Invalid, 229 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 217 Invalid, 7 Unknown, 0 Unchecked, 27.0s Time] [2023-12-02 18:17:06,676 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 251 states. [2023-12-02 18:17:06,700 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 251 to 239. [2023-12-02 18:17:06,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 239 states, 198 states have (on average 1.3737373737373737) internal successors, (272), 199 states have internal predecessors, (272), 38 states have call successors, (38), 2 states have call predecessors, (38), 2 states have return successors, (38), 37 states have call predecessors, (38), 38 states have call successors, (38) [2023-12-02 18:17:06,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 239 states and 348 transitions. [2023-12-02 18:17:06,702 INFO L78 Accepts]: Start accepts. Automaton has 239 states and 348 transitions. Word has length 162 [2023-12-02 18:17:06,703 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 18:17:06,703 INFO L495 AbstractCegarLoop]: Abstraction has 239 states and 348 transitions. [2023-12-02 18:17:06,703 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.333333333333334) internal successors, (68), 5 states have internal predecessors, (68), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2023-12-02 18:17:06,703 INFO L276 IsEmpty]: Start isEmpty. Operand 239 states and 348 transitions. [2023-12-02 18:17:06,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2023-12-02 18:17:06,704 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 18:17:06,704 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 18:17:06,715 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c479da26-afce-48fc-9690-26016778ed8b/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 (12)] Ended with exit code 0 [2023-12-02 18:17:06,905 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c479da26-afce-48fc-9690-26016778ed8b/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 18:17:06,905 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 18:17:06,905 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 18:17:06,905 INFO L85 PathProgramCache]: Analyzing trace with hash 417094529, now seen corresponding path program 1 times [2023-12-02 18:17:06,906 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 18:17:06,906 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [572470942] [2023-12-02 18:17:06,906 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 18:17:06,906 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 18:17:06,906 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c479da26-afce-48fc-9690-26016778ed8b/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 18:17:06,907 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c479da26-afce-48fc-9690-26016778ed8b/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-02 18:17:06,908 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c479da26-afce-48fc-9690-26016778ed8b/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 (13)] Waiting until timeout for monitored process [2023-12-02 18:17:07,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 18:17:07,619 INFO L262 TraceCheckSpWp]: Trace formula consists of 369 conjuncts, 25 conjunts are in the unsatisfiable core [2023-12-02 18:17:07,624 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 18:17:12,905 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 15 treesize of output 15 [2023-12-02 18:17:13,127 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 27 treesize of output 18 [2023-12-02 18:17:13,280 INFO L349 Elim1Store]: treesize reduction 43, result has 25.9 percent of original size [2023-12-02 18:17:13,280 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 3 case distinctions, treesize of input 29 treesize of output 42 [2023-12-02 18:17:13,500 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 18:17:13,501 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 35 treesize of output 15 [2023-12-02 18:17:13,573 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2023-12-02 18:17:13,574 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 18:17:13,574 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 18:17:13,574 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [572470942] [2023-12-02 18:17:13,574 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [572470942] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 18:17:13,574 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 18:17:13,574 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-12-02 18:17:13,574 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1895540096] [2023-12-02 18:17:13,575 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 18:17:13,575 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-12-02 18:17:13,575 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 18:17:13,576 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-12-02 18:17:13,576 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2023-12-02 18:17:13,576 INFO L87 Difference]: Start difference. First operand 239 states and 348 transitions. Second operand has 10 states, 10 states have (on average 6.7) internal successors, (67), 9 states have internal predecessors, (67), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2023-12-02 18:17:17,048 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.13s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 18:17:20,378 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.40s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 18:17:22,588 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.87s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 18:17:25,372 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.12s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 18:17:27,378 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 18:17:29,382 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 18:17:31,225 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.84s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 18:17:33,451 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.14s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 18:17:35,456 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 18:17:38,191 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.82s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 18:17:39,938 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.60s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 18:17:42,595 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.12s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 18:17:43,692 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 18:17:43,692 INFO L93 Difference]: Finished difference Result 587 states and 858 transitions. [2023-12-02 18:17:43,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-12-02 18:17:43,694 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 6.7) internal successors, (67), 9 states have internal predecessors, (67), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 164 [2023-12-02 18:17:43,694 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 18:17:43,696 INFO L225 Difference]: With dead ends: 587 [2023-12-02 18:17:43,696 INFO L226 Difference]: Without dead ends: 349 [2023-12-02 18:17:43,696 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 169 GetRequests, 155 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=73, Invalid=167, Unknown=0, NotChecked=0, Total=240 [2023-12-02 18:17:43,697 INFO L413 NwaCegarLoop]: 142 mSDtfsCounter, 297 mSDsluCounter, 541 mSDsCounter, 0 mSdLazyCounter, 732 mSolverCounterSat, 6 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 29.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 297 SdHoareTripleChecker+Valid, 683 SdHoareTripleChecker+Invalid, 745 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 732 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 29.6s IncrementalHoareTripleChecker+Time [2023-12-02 18:17:43,697 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [297 Valid, 683 Invalid, 745 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 732 Invalid, 7 Unknown, 0 Unchecked, 29.6s Time] [2023-12-02 18:17:43,698 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 349 states. [2023-12-02 18:17:43,734 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 349 to 247. [2023-12-02 18:17:43,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 247 states, 206 states have (on average 1.3786407766990292) internal successors, (284), 207 states have internal predecessors, (284), 38 states have call successors, (38), 2 states have call predecessors, (38), 2 states have return successors, (38), 37 states have call predecessors, (38), 38 states have call successors, (38) [2023-12-02 18:17:43,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 247 states and 360 transitions. [2023-12-02 18:17:43,736 INFO L78 Accepts]: Start accepts. Automaton has 247 states and 360 transitions. Word has length 164 [2023-12-02 18:17:43,737 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 18:17:43,737 INFO L495 AbstractCegarLoop]: Abstraction has 247 states and 360 transitions. [2023-12-02 18:17:43,737 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 6.7) internal successors, (67), 9 states have internal predecessors, (67), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2023-12-02 18:17:43,737 INFO L276 IsEmpty]: Start isEmpty. Operand 247 states and 360 transitions. [2023-12-02 18:17:43,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2023-12-02 18:17:43,739 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 18:17:43,739 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 18:17:43,751 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c479da26-afce-48fc-9690-26016778ed8b/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 (13)] Ended with exit code 0 [2023-12-02 18:17:43,939 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c479da26-afce-48fc-9690-26016778ed8b/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 18:17:43,940 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 18:17:43,940 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 18:17:43,940 INFO L85 PathProgramCache]: Analyzing trace with hash 675259967, now seen corresponding path program 1 times [2023-12-02 18:17:43,940 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 18:17:43,940 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1956381726] [2023-12-02 18:17:43,940 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 18:17:43,941 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 18:17:43,941 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c479da26-afce-48fc-9690-26016778ed8b/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 18:17:43,941 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c479da26-afce-48fc-9690-26016778ed8b/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-02 18:17:43,942 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c479da26-afce-48fc-9690-26016778ed8b/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 (14)] Waiting until timeout for monitored process [2023-12-02 18:17:44,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 18:17:44,593 INFO L262 TraceCheckSpWp]: Trace formula consists of 369 conjuncts, 25 conjunts are in the unsatisfiable core [2023-12-02 18:17:44,598 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 18:17:52,413 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 27 treesize of output 18 [2023-12-02 18:17:52,739 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 27 treesize of output 18 [2023-12-02 18:17:52,968 INFO L349 Elim1Store]: treesize reduction 43, result has 25.9 percent of original size [2023-12-02 18:17:52,968 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 3 case distinctions, treesize of input 29 treesize of output 42 [2023-12-02 18:17:53,127 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 18:17:53,127 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 35 treesize of output 15 [2023-12-02 18:17:53,175 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2023-12-02 18:17:53,175 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 18:17:53,175 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 18:17:53,175 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1956381726] [2023-12-02 18:17:53,175 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1956381726] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 18:17:53,175 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 18:17:53,176 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-12-02 18:17:53,176 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1710146369] [2023-12-02 18:17:53,176 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 18:17:53,176 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-12-02 18:17:53,176 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 18:17:53,177 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-12-02 18:17:53,177 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2023-12-02 18:17:53,177 INFO L87 Difference]: Start difference. First operand 247 states and 360 transitions. Second operand has 9 states, 9 states have (on average 7.444444444444445) internal successors, (67), 8 states have internal predecessors, (67), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2023-12-02 18:17:56,095 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.11s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 18:17:59,233 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.15s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 18:18:00,609 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.38s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 18:18:02,458 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.62s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 18:18:05,076 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.13s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 18:18:07,080 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 18:18:09,086 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 18:18:10,098 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 18:18:11,828 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.73s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 18:18:14,427 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.15s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 18:18:17,138 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.13s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 18:18:19,443 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.15s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 18:18:21,054 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.61s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 18:18:21,206 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 18:18:21,207 INFO L93 Difference]: Finished difference Result 595 states and 869 transitions. [2023-12-02 18:18:21,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-02 18:18:21,208 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 7.444444444444445) internal successors, (67), 8 states have internal predecessors, (67), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 164 [2023-12-02 18:18:21,208 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 18:18:21,210 INFO L225 Difference]: With dead ends: 595 [2023-12-02 18:18:21,210 INFO L226 Difference]: Without dead ends: 349 [2023-12-02 18:18:21,210 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 167 GetRequests, 156 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2023-12-02 18:18:21,211 INFO L413 NwaCegarLoop]: 150 mSDtfsCounter, 348 mSDsluCounter, 367 mSDsCounter, 0 mSdLazyCounter, 538 mSolverCounterSat, 12 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 26.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 348 SdHoareTripleChecker+Valid, 517 SdHoareTripleChecker+Invalid, 557 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 538 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 27.5s IncrementalHoareTripleChecker+Time [2023-12-02 18:18:21,211 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [348 Valid, 517 Invalid, 557 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 538 Invalid, 7 Unknown, 0 Unchecked, 27.5s Time] [2023-12-02 18:18:21,212 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 349 states. [2023-12-02 18:18:21,242 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 349 to 247. [2023-12-02 18:18:21,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 247 states, 206 states have (on average 1.3689320388349515) internal successors, (282), 207 states have internal predecessors, (282), 38 states have call successors, (38), 2 states have call predecessors, (38), 2 states have return successors, (38), 37 states have call predecessors, (38), 38 states have call successors, (38) [2023-12-02 18:18:21,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 247 states and 358 transitions. [2023-12-02 18:18:21,245 INFO L78 Accepts]: Start accepts. Automaton has 247 states and 358 transitions. Word has length 164 [2023-12-02 18:18:21,245 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 18:18:21,246 INFO L495 AbstractCegarLoop]: Abstraction has 247 states and 358 transitions. [2023-12-02 18:18:21,246 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 7.444444444444445) internal successors, (67), 8 states have internal predecessors, (67), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2023-12-02 18:18:21,246 INFO L276 IsEmpty]: Start isEmpty. Operand 247 states and 358 transitions. [2023-12-02 18:18:21,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2023-12-02 18:18:21,247 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 18:18:21,247 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 18:18:21,259 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c479da26-afce-48fc-9690-26016778ed8b/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 (14)] Forceful destruction successful, exit code 0 [2023-12-02 18:18:21,448 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c479da26-afce-48fc-9690-26016778ed8b/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 18:18:21,448 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 18:18:21,448 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 18:18:21,449 INFO L85 PathProgramCache]: Analyzing trace with hash -1388343805, now seen corresponding path program 1 times [2023-12-02 18:18:21,449 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 18:18:21,449 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [995976176] [2023-12-02 18:18:21,449 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 18:18:21,449 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 18:18:21,449 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c479da26-afce-48fc-9690-26016778ed8b/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 18:18:21,450 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c479da26-afce-48fc-9690-26016778ed8b/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-02 18:18:21,451 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c479da26-afce-48fc-9690-26016778ed8b/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 (15)] Waiting until timeout for monitored process [2023-12-02 18:18:22,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 18:18:22,151 INFO L262 TraceCheckSpWp]: Trace formula consists of 369 conjuncts, 25 conjunts are in the unsatisfiable core [2023-12-02 18:18:22,157 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 18:18:30,279 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 28 treesize of output 19 [2023-12-02 18:18:30,531 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 28 treesize of output 19 [2023-12-02 18:18:30,740 INFO L349 Elim1Store]: treesize reduction 43, result has 25.9 percent of original size [2023-12-02 18:18:30,741 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 3 case distinctions, treesize of input 30 treesize of output 43 [2023-12-02 18:18:30,896 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 18:18:30,897 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 36 treesize of output 16 [2023-12-02 18:18:30,944 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2023-12-02 18:18:30,944 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 18:18:30,944 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 18:18:30,944 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [995976176] [2023-12-02 18:18:30,944 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [995976176] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 18:18:30,945 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 18:18:30,945 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-12-02 18:18:30,945 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1823137251] [2023-12-02 18:18:30,945 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 18:18:30,946 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-12-02 18:18:30,946 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 18:18:30,946 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-12-02 18:18:30,946 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2023-12-02 18:18:30,947 INFO L87 Difference]: Start difference. First operand 247 states and 358 transitions. Second operand has 9 states, 9 states have (on average 7.444444444444445) internal successors, (67), 8 states have internal predecessors, (67), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2023-12-02 18:18:34,780 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.13s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 18:18:36,328 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.55s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 18:18:39,765 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.12s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 18:18:41,490 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.72s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 18:18:43,991 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.13s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 18:18:46,930 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.13s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 18:18:48,935 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 18:18:50,937 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 18:18:52,660 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.72s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 18:18:55,140 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.13s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 18:18:56,619 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.48s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 18:18:59,164 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.12s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 18:19:00,357 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.19s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 18:19:02,637 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.12s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 18:19:05,818 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 18:19:06,409 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 18:19:06,410 INFO L93 Difference]: Finished difference Result 603 states and 877 transitions. [2023-12-02 18:19:06,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-02 18:19:06,411 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 7.444444444444445) internal successors, (67), 8 states have internal predecessors, (67), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 164 [2023-12-02 18:19:06,412 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 18:19:06,414 INFO L225 Difference]: With dead ends: 603 [2023-12-02 18:19:06,414 INFO L226 Difference]: Without dead ends: 357 [2023-12-02 18:19:06,414 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 167 GetRequests, 156 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2023-12-02 18:19:06,415 INFO L413 NwaCegarLoop]: 141 mSDtfsCounter, 258 mSDsluCounter, 497 mSDsCounter, 0 mSdLazyCounter, 766 mSolverCounterSat, 6 mSolverCounterUnsat, 9 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 34.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 258 SdHoareTripleChecker+Valid, 638 SdHoareTripleChecker+Invalid, 781 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 766 IncrementalHoareTripleChecker+Invalid, 9 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 35.0s IncrementalHoareTripleChecker+Time [2023-12-02 18:19:06,415 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [258 Valid, 638 Invalid, 781 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 766 Invalid, 9 Unknown, 0 Unchecked, 35.0s Time] [2023-12-02 18:19:06,416 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 357 states. [2023-12-02 18:19:06,442 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 357 to 251. [2023-12-02 18:19:06,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 251 states, 210 states have (on average 1.361904761904762) internal successors, (286), 211 states have internal predecessors, (286), 38 states have call successors, (38), 2 states have call predecessors, (38), 2 states have return successors, (38), 37 states have call predecessors, (38), 38 states have call successors, (38) [2023-12-02 18:19:06,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 251 states to 251 states and 362 transitions. [2023-12-02 18:19:06,444 INFO L78 Accepts]: Start accepts. Automaton has 251 states and 362 transitions. Word has length 164 [2023-12-02 18:19:06,445 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 18:19:06,445 INFO L495 AbstractCegarLoop]: Abstraction has 251 states and 362 transitions. [2023-12-02 18:19:06,445 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 7.444444444444445) internal successors, (67), 8 states have internal predecessors, (67), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2023-12-02 18:19:06,445 INFO L276 IsEmpty]: Start isEmpty. Operand 251 states and 362 transitions. [2023-12-02 18:19:06,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2023-12-02 18:19:06,447 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 18:19:06,447 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 18:19:06,462 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c479da26-afce-48fc-9690-26016778ed8b/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 (15)] Forceful destruction successful, exit code 0 [2023-12-02 18:19:06,648 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c479da26-afce-48fc-9690-26016778ed8b/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 18:19:06,648 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 18:19:06,648 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 18:19:06,649 INFO L85 PathProgramCache]: Analyzing trace with hash -1130178367, now seen corresponding path program 1 times [2023-12-02 18:19:06,649 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 18:19:06,649 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [857212440] [2023-12-02 18:19:06,649 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 18:19:06,649 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 18:19:06,650 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c479da26-afce-48fc-9690-26016778ed8b/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 18:19:06,650 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c479da26-afce-48fc-9690-26016778ed8b/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-02 18:19:06,652 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c479da26-afce-48fc-9690-26016778ed8b/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 (16)] Waiting until timeout for monitored process [2023-12-02 18:19:07,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 18:19:07,359 INFO L262 TraceCheckSpWp]: Trace formula consists of 369 conjuncts, 24 conjunts are in the unsatisfiable core [2023-12-02 18:19:07,364 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 18:19:12,768 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 15 treesize of output 15 [2023-12-02 18:19:12,978 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 27 treesize of output 18 [2023-12-02 18:19:13,127 INFO L349 Elim1Store]: treesize reduction 43, result has 25.9 percent of original size [2023-12-02 18:19:13,128 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 3 case distinctions, treesize of input 29 treesize of output 42 [2023-12-02 18:19:13,298 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 18:19:13,298 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 35 treesize of output 15 [2023-12-02 18:19:13,354 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2023-12-02 18:19:13,355 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 18:19:13,355 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 18:19:13,355 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [857212440] [2023-12-02 18:19:13,355 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [857212440] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 18:19:13,355 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 18:19:13,355 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-12-02 18:19:13,355 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1254133814] [2023-12-02 18:19:13,355 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 18:19:13,356 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-12-02 18:19:13,356 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 18:19:13,356 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-12-02 18:19:13,356 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2023-12-02 18:19:13,357 INFO L87 Difference]: Start difference. First operand 251 states and 362 transitions. Second operand has 10 states, 10 states have (on average 6.7) internal successors, (67), 9 states have internal predecessors, (67), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2023-12-02 18:19:16,903 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.15s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 18:19:21,497 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.12s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 18:19:24,248 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.14s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 18:19:27,535 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.19s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 18:19:29,540 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 18:19:31,545 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 18:19:33,548 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 18:19:35,552 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 18:19:37,556 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 18:19:38,945 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.39s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 18:19:41,445 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.12s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 18:19:44,926 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.15s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 18:19:46,364 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.44s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 18:19:46,762 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 18:19:46,762 INFO L93 Difference]: Finished difference Result 559 states and 807 transitions. [2023-12-02 18:19:46,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-12-02 18:19:46,764 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 6.7) internal successors, (67), 9 states have internal predecessors, (67), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 164 [2023-12-02 18:19:46,764 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 18:19:46,767 INFO L225 Difference]: With dead ends: 559 [2023-12-02 18:19:46,767 INFO L226 Difference]: Without dead ends: 309 [2023-12-02 18:19:46,768 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 168 GetRequests, 155 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=61, Invalid=149, Unknown=0, NotChecked=0, Total=210 [2023-12-02 18:19:46,768 INFO L413 NwaCegarLoop]: 170 mSDtfsCounter, 255 mSDsluCounter, 610 mSDsCounter, 0 mSdLazyCounter, 792 mSolverCounterSat, 5 mSolverCounterUnsat, 11 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 32.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 255 SdHoareTripleChecker+Valid, 780 SdHoareTripleChecker+Invalid, 808 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 792 IncrementalHoareTripleChecker+Invalid, 11 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 32.8s IncrementalHoareTripleChecker+Time [2023-12-02 18:19:46,769 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [255 Valid, 780 Invalid, 808 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 792 Invalid, 11 Unknown, 0 Unchecked, 32.8s Time] [2023-12-02 18:19:46,770 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 309 states. [2023-12-02 18:19:46,796 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 309 to 251. [2023-12-02 18:19:46,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 251 states, 210 states have (on average 1.361904761904762) internal successors, (286), 211 states have internal predecessors, (286), 38 states have call successors, (38), 2 states have call predecessors, (38), 2 states have return successors, (38), 37 states have call predecessors, (38), 38 states have call successors, (38) [2023-12-02 18:19:46,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 251 states to 251 states and 362 transitions. [2023-12-02 18:19:46,803 INFO L78 Accepts]: Start accepts. Automaton has 251 states and 362 transitions. Word has length 164 [2023-12-02 18:19:46,804 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 18:19:46,804 INFO L495 AbstractCegarLoop]: Abstraction has 251 states and 362 transitions. [2023-12-02 18:19:46,804 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 6.7) internal successors, (67), 9 states have internal predecessors, (67), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2023-12-02 18:19:46,804 INFO L276 IsEmpty]: Start isEmpty. Operand 251 states and 362 transitions. [2023-12-02 18:19:46,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2023-12-02 18:19:46,805 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 18:19:46,805 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 18:19:46,817 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c479da26-afce-48fc-9690-26016778ed8b/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 (16)] Ended with exit code 0 [2023-12-02 18:19:47,006 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c479da26-afce-48fc-9690-26016778ed8b/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 18:19:47,006 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 18:19:47,006 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 18:19:47,006 INFO L85 PathProgramCache]: Analyzing trace with hash -1636785236, now seen corresponding path program 1 times [2023-12-02 18:19:47,007 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 18:19:47,007 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [808324048] [2023-12-02 18:19:47,007 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 18:19:47,007 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 18:19:47,008 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c479da26-afce-48fc-9690-26016778ed8b/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 18:19:47,008 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c479da26-afce-48fc-9690-26016778ed8b/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-02 18:19:47,009 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c479da26-afce-48fc-9690-26016778ed8b/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 (17)] Waiting until timeout for monitored process [2023-12-02 18:19:47,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 18:19:47,961 INFO L262 TraceCheckSpWp]: Trace formula consists of 375 conjuncts, 29 conjunts are in the unsatisfiable core [2023-12-02 18:19:47,967 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 18:19:56,282 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 15 treesize of output 15 [2023-12-02 18:19:56,657 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 27 treesize of output 18 [2023-12-02 18:19:56,941 INFO L349 Elim1Store]: treesize reduction 12, result has 60.0 percent of original size [2023-12-02 18:19:56,942 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 2 new quantified variables, introduced 3 case distinctions, treesize of input 62 treesize of output 66 [2023-12-02 18:19:56,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 18:19:56,995 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 70 [2023-12-02 18:19:57,140 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 4 [2023-12-02 18:19:57,224 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 18:19:57,390 INFO L349 Elim1Store]: treesize reduction 94, result has 22.3 percent of original size [2023-12-02 18:19:57,391 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 6 new quantified variables, introduced 9 case distinctions, treesize of input 42 treesize of output 92 [2023-12-02 18:19:57,542 INFO L349 Elim1Store]: treesize reduction 28, result has 39.1 percent of original size [2023-12-02 18:19:57,542 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 45 treesize of output 47 [2023-12-02 18:19:58,240 INFO L349 Elim1Store]: treesize reduction 12, result has 60.0 percent of original size [2023-12-02 18:19:58,241 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 2 case distinctions, treesize of input 92 treesize of output 81 [2023-12-02 18:19:58,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 18:19:58,543 INFO L349 Elim1Store]: treesize reduction 110, result has 19.7 percent of original size [2023-12-02 18:19:58,543 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 7 new quantified variables, introduced 11 case distinctions, treesize of input 109 treesize of output 153 [2023-12-02 18:19:59,089 INFO L349 Elim1Store]: treesize reduction 40, result has 33.3 percent of original size [2023-12-02 18:19:59,090 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 57 treesize of output 69 [2023-12-02 18:19:59,307 INFO L349 Elim1Store]: treesize reduction 40, result has 33.3 percent of original size [2023-12-02 18:19:59,308 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 57 treesize of output 69 [2023-12-02 18:20:00,389 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 18:20:00,390 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 116 treesize of output 52 [2023-12-02 18:20:00,496 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2023-12-02 18:20:00,496 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 18:20:00,497 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 18:20:00,497 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [808324048] [2023-12-02 18:20:00,497 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [808324048] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 18:20:00,497 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 18:20:00,497 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-12-02 18:20:00,497 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [641512495] [2023-12-02 18:20:00,497 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 18:20:00,498 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-12-02 18:20:00,498 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 18:20:00,498 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-12-02 18:20:00,499 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2023-12-02 18:20:00,499 INFO L87 Difference]: Start difference. First operand 251 states and 362 transitions. Second operand has 11 states, 11 states have (on average 6.2727272727272725) internal successors, (69), 10 states have internal predecessors, (69), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2023-12-02 18:20:04,222 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.97s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 18:20:08,513 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.13s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 18:20:12,383 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.14s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 18:20:14,388 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 18:20:16,397 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 18:20:18,401 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 18:20:20,404 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 18:20:21,585 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.18s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 18:20:24,537 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.14s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 18:20:26,540 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 18:20:28,545 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 18:20:30,551 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 18:20:32,554 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 18:20:34,892 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.94s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 18:20:37,183 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.14s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 18:20:39,187 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 18:20:40,795 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.61s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 18:20:42,994 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.14s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 18:20:45,635 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.80s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 18:20:47,491 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.59s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 18:20:47,754 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 18:20:47,754 INFO L93 Difference]: Finished difference Result 645 states and 929 transitions. [2023-12-02 18:20:47,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-12-02 18:20:47,755 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 6.2727272727272725) internal successors, (69), 10 states have internal predecessors, (69), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 166 [2023-12-02 18:20:47,756 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 18:20:47,757 INFO L225 Difference]: With dead ends: 645 [2023-12-02 18:20:47,757 INFO L226 Difference]: Without dead ends: 395 [2023-12-02 18:20:47,758 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 174 GetRequests, 156 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=112, Invalid=268, Unknown=0, NotChecked=0, Total=380 [2023-12-02 18:20:47,758 INFO L413 NwaCegarLoop]: 151 mSDtfsCounter, 392 mSDsluCounter, 650 mSDsCounter, 0 mSdLazyCounter, 933 mSolverCounterSat, 8 mSolverCounterUnsat, 14 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 45.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 392 SdHoareTripleChecker+Valid, 801 SdHoareTripleChecker+Invalid, 955 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 933 IncrementalHoareTripleChecker+Invalid, 14 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 46.0s IncrementalHoareTripleChecker+Time [2023-12-02 18:20:47,759 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [392 Valid, 801 Invalid, 955 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 933 Invalid, 14 Unknown, 0 Unchecked, 46.0s Time] [2023-12-02 18:20:47,759 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 395 states. [2023-12-02 18:20:47,786 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 395 to 253. [2023-12-02 18:20:47,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 253 states, 212 states have (on average 1.3632075471698113) internal successors, (289), 213 states have internal predecessors, (289), 38 states have call successors, (38), 2 states have call predecessors, (38), 2 states have return successors, (38), 37 states have call predecessors, (38), 38 states have call successors, (38) [2023-12-02 18:20:47,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 253 states and 365 transitions. [2023-12-02 18:20:47,789 INFO L78 Accepts]: Start accepts. Automaton has 253 states and 365 transitions. Word has length 166 [2023-12-02 18:20:47,789 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 18:20:47,789 INFO L495 AbstractCegarLoop]: Abstraction has 253 states and 365 transitions. [2023-12-02 18:20:47,790 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 6.2727272727272725) internal successors, (69), 10 states have internal predecessors, (69), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2023-12-02 18:20:47,790 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 365 transitions. [2023-12-02 18:20:47,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2023-12-02 18:20:47,791 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 18:20:47,791 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 18:20:47,805 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c479da26-afce-48fc-9690-26016778ed8b/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 (17)] Ended with exit code 0 [2023-12-02 18:20:47,992 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c479da26-afce-48fc-9690-26016778ed8b/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 18:20:47,992 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 18:20:47,992 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 18:20:47,992 INFO L85 PathProgramCache]: Analyzing trace with hash -1378619798, now seen corresponding path program 1 times [2023-12-02 18:20:47,993 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 18:20:47,993 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [576186278] [2023-12-02 18:20:47,993 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 18:20:47,993 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 18:20:47,993 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c479da26-afce-48fc-9690-26016778ed8b/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 18:20:47,994 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c479da26-afce-48fc-9690-26016778ed8b/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-02 18:20:47,995 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c479da26-afce-48fc-9690-26016778ed8b/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 (18)] Waiting until timeout for monitored process [2023-12-02 18:20:48,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 18:20:48,831 INFO L262 TraceCheckSpWp]: Trace formula consists of 375 conjuncts, 29 conjunts are in the unsatisfiable core [2023-12-02 18:20:48,835 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 18:20:59,337 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 27 treesize of output 18 [2023-12-02 18:20:59,633 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 27 treesize of output 18 [2023-12-02 18:20:59,912 INFO L349 Elim1Store]: treesize reduction 12, result has 60.0 percent of original size [2023-12-02 18:20:59,913 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 4 case distinctions, treesize of input 62 treesize of output 59 [2023-12-02 18:20:59,999 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 18:21:00,000 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 70 [2023-12-02 18:21:00,149 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 19 [2023-12-02 18:21:00,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 18:21:00,307 INFO L349 Elim1Store]: treesize reduction 94, result has 22.3 percent of original size [2023-12-02 18:21:00,308 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 6 new quantified variables, introduced 9 case distinctions, treesize of input 42 treesize of output 92 [2023-12-02 18:21:00,443 INFO L349 Elim1Store]: treesize reduction 28, result has 39.1 percent of original size [2023-12-02 18:21:00,443 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 45 treesize of output 44 [2023-12-02 18:21:01,129 INFO L349 Elim1Store]: treesize reduction 12, result has 60.0 percent of original size [2023-12-02 18:21:01,129 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 2 case distinctions, treesize of input 92 treesize of output 81 [2023-12-02 18:21:01,283 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 18:21:01,463 INFO L349 Elim1Store]: treesize reduction 110, result has 19.7 percent of original size [2023-12-02 18:21:01,463 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 7 new quantified variables, introduced 11 case distinctions, treesize of input 109 treesize of output 153 [2023-12-02 18:21:02,310 INFO L349 Elim1Store]: treesize reduction 24, result has 45.5 percent of original size [2023-12-02 18:21:02,311 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 65 treesize of output 71 [2023-12-02 18:21:02,478 INFO L349 Elim1Store]: treesize reduction 24, result has 45.5 percent of original size [2023-12-02 18:21:02,478 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 65 treesize of output 71 [2023-12-02 18:21:02,760 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 18:21:02,760 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 116 treesize of output 52 [2023-12-02 18:21:02,808 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2023-12-02 18:21:02,808 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 18:21:02,808 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 18:21:02,808 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [576186278] [2023-12-02 18:21:02,808 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [576186278] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 18:21:02,808 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 18:21:02,809 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-12-02 18:21:02,809 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1302909912] [2023-12-02 18:21:02,809 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 18:21:02,809 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-12-02 18:21:02,809 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 18:21:02,810 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-12-02 18:21:02,810 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2023-12-02 18:21:02,810 INFO L87 Difference]: Start difference. First operand 253 states and 365 transitions. Second operand has 10 states, 10 states have (on average 6.9) internal successors, (69), 9 states have internal predecessors, (69), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2023-12-02 18:21:05,798 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.32s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 18:21:07,803 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 18:21:09,805 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 18:21:11,810 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 18:21:13,812 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 18:21:15,818 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 18:21:17,826 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 18:21:19,294 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.47s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 18:21:23,177 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 18:21:26,064 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.13s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 18:21:27,809 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.75s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 18:21:30,421 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.13s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 18:21:32,425 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 18:21:34,433 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 18:21:37,266 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.13s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 18:21:38,324 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 18:21:39,896 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.44s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 18:21:41,941 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.96s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 18:21:44,415 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.12s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 18:21:46,165 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.75s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 18:21:46,367 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 18:21:46,367 INFO L93 Difference]: Finished difference Result 672 states and 968 transitions. [2023-12-02 18:21:46,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-12-02 18:21:46,368 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 6.9) internal successors, (69), 9 states have internal predecessors, (69), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 166 [2023-12-02 18:21:46,369 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 18:21:46,370 INFO L225 Difference]: With dead ends: 672 [2023-12-02 18:21:46,370 INFO L226 Difference]: Without dead ends: 420 [2023-12-02 18:21:46,371 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 172 GetRequests, 157 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=82, Invalid=190, Unknown=0, NotChecked=0, Total=272 [2023-12-02 18:21:46,372 INFO L413 NwaCegarLoop]: 173 mSDtfsCounter, 457 mSDsluCounter, 481 mSDsCounter, 0 mSdLazyCounter, 729 mSolverCounterSat, 18 mSolverCounterUnsat, 12 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 41.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 457 SdHoareTripleChecker+Valid, 654 SdHoareTripleChecker+Invalid, 759 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 729 IncrementalHoareTripleChecker+Invalid, 12 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 42.6s IncrementalHoareTripleChecker+Time [2023-12-02 18:21:46,372 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [457 Valid, 654 Invalid, 759 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 729 Invalid, 12 Unknown, 0 Unchecked, 42.6s Time] [2023-12-02 18:21:46,373 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 420 states. [2023-12-02 18:21:46,399 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 420 to 253. [2023-12-02 18:21:46,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 253 states, 212 states have (on average 1.3584905660377358) internal successors, (288), 213 states have internal predecessors, (288), 38 states have call successors, (38), 2 states have call predecessors, (38), 2 states have return successors, (38), 37 states have call predecessors, (38), 38 states have call successors, (38) [2023-12-02 18:21:46,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 253 states and 364 transitions. [2023-12-02 18:21:46,401 INFO L78 Accepts]: Start accepts. Automaton has 253 states and 364 transitions. Word has length 166 [2023-12-02 18:21:46,402 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 18:21:46,402 INFO L495 AbstractCegarLoop]: Abstraction has 253 states and 364 transitions. [2023-12-02 18:21:46,402 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 6.9) internal successors, (69), 9 states have internal predecessors, (69), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2023-12-02 18:21:46,402 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 364 transitions. [2023-12-02 18:21:46,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2023-12-02 18:21:46,403 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 18:21:46,403 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 18:21:46,422 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c479da26-afce-48fc-9690-26016778ed8b/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 (18)] Ended with exit code 0 [2023-12-02 18:21:46,604 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c479da26-afce-48fc-9690-26016778ed8b/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 18:21:46,604 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 18:21:46,604 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 18:21:46,604 INFO L85 PathProgramCache]: Analyzing trace with hash -1383122385, now seen corresponding path program 1 times [2023-12-02 18:21:46,605 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 18:21:46,605 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [286620382] [2023-12-02 18:21:46,605 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 18:21:46,605 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 18:21:46,605 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c479da26-afce-48fc-9690-26016778ed8b/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 18:21:46,606 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c479da26-afce-48fc-9690-26016778ed8b/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-02 18:21:46,606 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c479da26-afce-48fc-9690-26016778ed8b/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 (19)] Waiting until timeout for monitored process [2023-12-02 18:21:47,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 18:21:47,344 INFO L262 TraceCheckSpWp]: Trace formula consists of 377 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-02 18:21:47,346 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 18:21:47,385 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2023-12-02 18:21:47,385 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 18:21:47,385 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 18:21:47,385 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [286620382] [2023-12-02 18:21:47,385 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [286620382] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 18:21:47,385 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 18:21:47,385 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-02 18:21:47,385 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [579600517] [2023-12-02 18:21:47,386 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 18:21:47,386 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-02 18:21:47,386 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 18:21:47,387 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-02 18:21:47,387 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-12-02 18:21:47,387 INFO L87 Difference]: Start difference. First operand 253 states and 364 transitions. Second operand has 5 states, 5 states have (on average 13.8) internal successors, (69), 5 states have internal predecessors, (69), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2023-12-02 18:21:47,528 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 18:21:47,528 INFO L93 Difference]: Finished difference Result 543 states and 783 transitions. [2023-12-02 18:21:47,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-02 18:21:47,529 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.8) internal successors, (69), 5 states have internal predecessors, (69), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 166 [2023-12-02 18:21:47,529 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 18:21:47,531 INFO L225 Difference]: With dead ends: 543 [2023-12-02 18:21:47,531 INFO L226 Difference]: Without dead ends: 291 [2023-12-02 18:21:47,532 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 167 GetRequests, 162 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2023-12-02 18:21:47,532 INFO L413 NwaCegarLoop]: 180 mSDtfsCounter, 61 mSDsluCounter, 484 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 61 SdHoareTripleChecker+Valid, 664 SdHoareTripleChecker+Invalid, 40 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-02 18:21:47,532 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [61 Valid, 664 Invalid, 40 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-02 18:21:47,533 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 291 states. [2023-12-02 18:21:47,559 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 291 to 259. [2023-12-02 18:21:47,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 259 states, 218 states have (on average 1.348623853211009) internal successors, (294), 219 states have internal predecessors, (294), 38 states have call successors, (38), 2 states have call predecessors, (38), 2 states have return successors, (38), 37 states have call predecessors, (38), 38 states have call successors, (38) [2023-12-02 18:21:47,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 259 states to 259 states and 370 transitions. [2023-12-02 18:21:47,560 INFO L78 Accepts]: Start accepts. Automaton has 259 states and 370 transitions. Word has length 166 [2023-12-02 18:21:47,561 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 18:21:47,561 INFO L495 AbstractCegarLoop]: Abstraction has 259 states and 370 transitions. [2023-12-02 18:21:47,561 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.8) internal successors, (69), 5 states have internal predecessors, (69), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2023-12-02 18:21:47,561 INFO L276 IsEmpty]: Start isEmpty. Operand 259 states and 370 transitions. [2023-12-02 18:21:47,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2023-12-02 18:21:47,562 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 18:21:47,562 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 18:21:47,577 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c479da26-afce-48fc-9690-26016778ed8b/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 (19)] Ended with exit code 0 [2023-12-02 18:21:47,762 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c479da26-afce-48fc-9690-26016778ed8b/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 18:21:47,763 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 18:21:47,763 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 18:21:47,763 INFO L85 PathProgramCache]: Analyzing trace with hash -1024906388, now seen corresponding path program 1 times [2023-12-02 18:21:47,763 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 18:21:47,764 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [770060442] [2023-12-02 18:21:47,764 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 18:21:47,764 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 18:21:47,764 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c479da26-afce-48fc-9690-26016778ed8b/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 18:21:47,764 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c479da26-afce-48fc-9690-26016778ed8b/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-02 18:21:47,770 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c479da26-afce-48fc-9690-26016778ed8b/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 (20)] Waiting until timeout for monitored process [2023-12-02 18:21:48,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 18:21:48,750 INFO L262 TraceCheckSpWp]: Trace formula consists of 379 conjuncts, 22 conjunts are in the unsatisfiable core [2023-12-02 18:21:48,754 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 18:21:55,124 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 25 treesize of output 13 [2023-12-02 18:21:55,260 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 25 treesize of output 13 [2023-12-02 18:21:55,357 INFO L349 Elim1Store]: treesize reduction 15, result has 42.3 percent of original size [2023-12-02 18:21:55,357 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 26 [2023-12-02 18:21:55,447 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 18:21:55,448 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 31 treesize of output 23 [2023-12-02 18:21:55,514 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 76 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2023-12-02 18:21:55,514 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 18:21:56,062 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 18:21:56,062 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [770060442] [2023-12-02 18:21:56,062 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [770060442] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 18:21:56,062 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1947011296] [2023-12-02 18:21:56,062 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 18:21:56,062 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 18:21:56,062 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c479da26-afce-48fc-9690-26016778ed8b/bin/utaipan-verify-nQ1chXbOIh/cvc4 [2023-12-02 18:21:56,063 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c479da26-afce-48fc-9690-26016778ed8b/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 18:21:56,064 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c479da26-afce-48fc-9690-26016778ed8b/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (21)] Waiting until timeout for monitored process [2023-12-02 18:21:59,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 18:21:59,137 INFO L262 TraceCheckSpWp]: Trace formula consists of 379 conjuncts, 55 conjunts are in the unsatisfiable core [2023-12-02 18:21:59,146 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 18:21:59,393 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 15 treesize of output 1 [2023-12-02 18:22:00,344 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 15 treesize of output 1 [2023-12-02 18:22:01,284 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 15 treesize of output 1 [2023-12-02 18:22:02,031 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 15 treesize of output 1 [2023-12-02 18:22:03,197 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 15 treesize of output 1 [2023-12-02 18:22:03,955 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 15 treesize of output 1 [2023-12-02 18:22:04,766 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 15 treesize of output 1 [2023-12-02 18:22:05,615 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 15 treesize of output 1 [2023-12-02 18:22:06,503 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 15 treesize of output 1 [2023-12-02 18:22:07,391 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 15 treesize of output 1 [2023-12-02 18:22:08,304 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 15 treesize of output 1 [2023-12-02 18:22:09,163 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 12 treesize of output 8 [2023-12-02 18:22:10,288 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 26 [2023-12-02 18:22:10,698 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 29 [2023-12-02 18:22:11,021 INFO L349 Elim1Store]: treesize reduction 55, result has 21.4 percent of original size [2023-12-02 18:22:11,021 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 37 treesize of output 53 [2023-12-02 18:22:11,420 INFO L349 Elim1Store]: treesize reduction 12, result has 60.0 percent of original size [2023-12-02 18:22:11,420 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 2 case distinctions, treesize of input 79 treesize of output 72 [2023-12-02 18:22:11,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 18:22:11,504 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 4 select indices, 4 select index equivalence classes, 11 disjoint index pairs (out of 6 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 99 [2023-12-02 18:22:11,655 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 45 [2023-12-02 18:22:11,697 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 18:22:11,813 INFO L349 Elim1Store]: treesize reduction 126, result has 17.6 percent of original size [2023-12-02 18:22:11,814 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 6 select indices, 6 select index equivalence classes, 11 disjoint index pairs (out of 15 index pairs), introduced 8 new quantified variables, introduced 13 case distinctions, treesize of input 55 treesize of output 121 [2023-12-02 18:22:12,154 INFO L349 Elim1Store]: treesize reduction 32, result has 38.5 percent of original size [2023-12-02 18:22:12,155 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 44 treesize of output 57 [2023-12-02 18:22:13,787 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 18:22:13,788 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 286 treesize of output 290 [2023-12-02 18:22:13,976 INFO L349 Elim1Store]: treesize reduction 44, result has 17.0 percent of original size [2023-12-02 18:22:13,976 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 35 treesize of output 53 [2023-12-02 18:22:14,397 INFO L349 Elim1Store]: treesize reduction 44, result has 17.0 percent of original size [2023-12-02 18:22:14,397 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 34 treesize of output 52 [2023-12-02 18:22:16,128 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 18:22:16,129 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 10 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 11 case distinctions, treesize of input 241 treesize of output 241 [2023-12-02 18:22:59,035 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 144 refuted. 0 times theorem prover too weak. 616 trivial. 0 not checked. [2023-12-02 18:22:59,036 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 18:23:54,459 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1947011296] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 18:23:54,459 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [663707150] [2023-12-02 18:23:54,459 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 18:23:54,459 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 18:23:54,459 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c479da26-afce-48fc-9690-26016778ed8b/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 18:23:54,460 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c479da26-afce-48fc-9690-26016778ed8b/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 18:23:54,461 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c479da26-afce-48fc-9690-26016778ed8b/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2023-12-02 18:23:54,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 18:23:55,028 INFO L262 TraceCheckSpWp]: Trace formula consists of 379 conjuncts, 23 conjunts are in the unsatisfiable core [2023-12-02 18:23:55,032 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 18:24:05,279 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 25 treesize of output 13 [2023-12-02 18:24:05,446 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 25 treesize of output 13 [2023-12-02 18:24:05,567 INFO L349 Elim1Store]: treesize reduction 15, result has 42.3 percent of original size [2023-12-02 18:24:05,567 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 26 [2023-12-02 18:24:05,729 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 18:24:05,729 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 31 treesize of output 23 [2023-12-02 18:24:05,857 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 76 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2023-12-02 18:24:05,857 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 18:24:06,087 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [663707150] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 18:24:06,087 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-12-02 18:24:06,087 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 11] total 22 [2023-12-02 18:24:06,088 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2120633315] [2023-12-02 18:24:06,088 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-12-02 18:24:06,088 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2023-12-02 18:24:06,088 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 18:24:06,089 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2023-12-02 18:24:06,090 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=110, Invalid=1060, Unknown=20, NotChecked=0, Total=1190 [2023-12-02 18:24:06,090 INFO L87 Difference]: Start difference. First operand 259 states and 370 transitions. Second operand has 23 states, 22 states have (on average 6.2272727272727275) internal successors, (137), 21 states have internal predecessors, (137), 4 states have call successors, (40), 4 states have call predecessors, (40), 4 states have return successors, (40), 4 states have call predecessors, (40), 4 states have call successors, (40) [2023-12-02 18:24:17,513 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.13s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 18:24:19,061 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.55s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 18:24:25,548 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.12s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 18:24:29,194 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.13s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 18:24:32,498 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.18s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 18:24:35,527 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.16s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 18:24:38,812 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.13s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 18:24:40,817 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 18:24:42,819 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 18:24:44,825 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 18:24:47,433 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.13s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 18:24:49,922 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.84s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 18:24:52,530 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.13s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 18:24:56,251 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.12s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 18:24:58,254 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 18:25:00,945 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.51s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 18:25:04,750 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.12s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 18:25:07,189 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.36s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 18:25:09,631 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.12s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 18:25:11,641 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.57s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 18:25:17,262 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 18:25:17,262 INFO L93 Difference]: Finished difference Result 721 states and 1010 transitions. [2023-12-02 18:25:17,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2023-12-02 18:25:17,263 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 22 states have (on average 6.2272727272727275) internal successors, (137), 21 states have internal predecessors, (137), 4 states have call successors, (40), 4 states have call predecessors, (40), 4 states have return successors, (40), 4 states have call predecessors, (40), 4 states have call successors, (40) Word has length 166 [2023-12-02 18:25:17,264 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 18:25:17,266 INFO L225 Difference]: With dead ends: 721 [2023-12-02 18:25:17,266 INFO L226 Difference]: Without dead ends: 463 [2023-12-02 18:25:17,269 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 609 GetRequests, 541 SyntacticMatches, 2 SemanticMatches, 66 ConstructedPredicates, 0 IntricatePredicates, 1 DeprecatedPredicates, 963 ImplicationChecksByTransitivity, 66.9s TimeCoverageRelationStatistics Valid=793, Invalid=3743, Unknown=20, NotChecked=0, Total=4556 [2023-12-02 18:25:17,269 INFO L413 NwaCegarLoop]: 130 mSDtfsCounter, 1567 mSDsluCounter, 1498 mSDsCounter, 0 mSdLazyCounter, 2370 mSolverCounterSat, 381 mSolverCounterUnsat, 13 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 59.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1567 SdHoareTripleChecker+Valid, 1628 SdHoareTripleChecker+Invalid, 2764 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 381 IncrementalHoareTripleChecker+Valid, 2370 IncrementalHoareTripleChecker+Invalid, 13 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 61.2s IncrementalHoareTripleChecker+Time [2023-12-02 18:25:17,269 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1567 Valid, 1628 Invalid, 2764 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [381 Valid, 2370 Invalid, 13 Unknown, 0 Unchecked, 61.2s Time] [2023-12-02 18:25:17,270 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 463 states. [2023-12-02 18:25:17,305 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 463 to 155. [2023-12-02 18:25:17,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 155 states, 132 states have (on average 1.3409090909090908) internal successors, (177), 132 states have internal predecessors, (177), 20 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2023-12-02 18:25:17,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 155 states and 217 transitions. [2023-12-02 18:25:17,307 INFO L78 Accepts]: Start accepts. Automaton has 155 states and 217 transitions. Word has length 166 [2023-12-02 18:25:17,307 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 18:25:17,307 INFO L495 AbstractCegarLoop]: Abstraction has 155 states and 217 transitions. [2023-12-02 18:25:17,307 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 22 states have (on average 6.2272727272727275) internal successors, (137), 21 states have internal predecessors, (137), 4 states have call successors, (40), 4 states have call predecessors, (40), 4 states have return successors, (40), 4 states have call predecessors, (40), 4 states have call successors, (40) [2023-12-02 18:25:17,308 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 217 transitions. [2023-12-02 18:25:17,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2023-12-02 18:25:17,309 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 18:25:17,309 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 18:25:17,327 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c479da26-afce-48fc-9690-26016778ed8b/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (21)] Ended with exit code 0 [2023-12-02 18:25:17,523 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c479da26-afce-48fc-9690-26016778ed8b/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 (20)] Ended with exit code 0 [2023-12-02 18:25:17,737 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c479da26-afce-48fc-9690-26016778ed8b/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Ended with exit code 0 [2023-12-02 18:25:17,910 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c479da26-afce-48fc-9690-26016778ed8b/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt,20 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c479da26-afce-48fc-9690-26016778ed8b/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=3,22 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c479da26-afce-48fc-9690-26016778ed8b/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 18:25:17,910 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 18:25:17,910 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 18:25:17,911 INFO L85 PathProgramCache]: Analyzing trace with hash 977881916, now seen corresponding path program 1 times [2023-12-02 18:25:17,911 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 18:25:17,911 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1009689027] [2023-12-02 18:25:17,911 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 18:25:17,911 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 18:25:17,911 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c479da26-afce-48fc-9690-26016778ed8b/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 18:25:17,912 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c479da26-afce-48fc-9690-26016778ed8b/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-02 18:25:17,913 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c479da26-afce-48fc-9690-26016778ed8b/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 (23)] Waiting until timeout for monitored process [2023-12-02 18:25:18,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 18:25:18,657 INFO L262 TraceCheckSpWp]: Trace formula consists of 373 conjuncts, 27 conjunts are in the unsatisfiable core [2023-12-02 18:25:18,661 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 18:25:32,773 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 25 treesize of output 13 [2023-12-02 18:25:33,067 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 25 treesize of output 13 [2023-12-02 18:25:33,295 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 25 treesize of output 13 [2023-12-02 18:25:33,420 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 60 treesize of output 42 [2023-12-02 18:25:33,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 18:25:33,488 INFO L349 Elim1Store]: treesize reduction 32, result has 22.0 percent of original size [2023-12-02 18:25:33,488 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 42 treesize of output 57 [2023-12-02 18:25:33,671 INFO L349 Elim1Store]: treesize reduction 16, result has 55.6 percent of original size [2023-12-02 18:25:33,671 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 2 case distinctions, treesize of input 28 treesize of output 31 [2023-12-02 18:25:33,854 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 18:25:33,854 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 30 treesize of output 26 [2023-12-02 18:25:33,944 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 76 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2023-12-02 18:25:33,944 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 18:25:35,559 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 18:25:35,559 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1009689027] [2023-12-02 18:25:35,559 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1009689027] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 18:25:35,559 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [2137287520] [2023-12-02 18:25:35,560 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 18:25:35,560 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 18:25:35,560 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c479da26-afce-48fc-9690-26016778ed8b/bin/utaipan-verify-nQ1chXbOIh/cvc4 [2023-12-02 18:25:35,561 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c479da26-afce-48fc-9690-26016778ed8b/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 18:25:35,561 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c479da26-afce-48fc-9690-26016778ed8b/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (24)] Waiting until timeout for monitored process [2023-12-02 18:25:37,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 18:25:37,069 INFO L262 TraceCheckSpWp]: Trace formula consists of 373 conjuncts, 32 conjunts are in the unsatisfiable core [2023-12-02 18:25:37,075 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 18:25:50,547 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 12 treesize of output 8 [2023-12-02 18:25:53,350 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 33 treesize of output 17 [2023-12-02 18:25:53,818 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 33 treesize of output 17 [2023-12-02 18:25:54,163 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 33 treesize of output 17 [2023-12-02 18:25:54,429 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 87 treesize of output 65 [2023-12-02 18:25:54,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 18:25:54,497 INFO L349 Elim1Store]: treesize reduction 32, result has 22.0 percent of original size [2023-12-02 18:25:54,497 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 65 treesize of output 76 [2023-12-02 18:25:54,780 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 18:25:54,780 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 36 treesize of output 32 [2023-12-02 18:25:54,799 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 72 proven. 76 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2023-12-02 18:25:54,799 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 18:25:55,289 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [2137287520] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 18:25:55,289 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1998305150] [2023-12-02 18:25:55,290 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 18:25:55,290 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 18:25:55,290 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c479da26-afce-48fc-9690-26016778ed8b/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 18:25:55,291 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c479da26-afce-48fc-9690-26016778ed8b/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 18:25:55,291 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c479da26-afce-48fc-9690-26016778ed8b/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Waiting until timeout for monitored process [2023-12-02 18:25:55,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 18:25:55,662 INFO L262 TraceCheckSpWp]: Trace formula consists of 373 conjuncts, 28 conjunts are in the unsatisfiable core [2023-12-02 18:25:55,666 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 18:26:06,925 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 15 treesize of output 15 [2023-12-02 18:26:07,408 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 27 treesize of output 18 [2023-12-02 18:26:07,819 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 27 treesize of output 18 [2023-12-02 18:26:08,223 INFO L349 Elim1Store]: treesize reduction 12, result has 60.0 percent of original size [2023-12-02 18:26:08,224 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 2 new quantified variables, introduced 3 case distinctions, treesize of input 62 treesize of output 66 [2023-12-02 18:26:08,322 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 18:26:08,324 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 70 [2023-12-02 18:26:08,431 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 29 treesize of output 15 [2023-12-02 18:26:08,631 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 18:26:08,818 INFO L349 Elim1Store]: treesize reduction 94, result has 22.3 percent of original size [2023-12-02 18:26:08,818 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 6 new quantified variables, introduced 9 case distinctions, treesize of input 42 treesize of output 92 [2023-12-02 18:26:08,851 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 29 treesize of output 20 [2023-12-02 18:26:09,818 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 18:26:09,818 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 56 treesize of output 24 [2023-12-02 18:26:10,146 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2023-12-02 18:26:10,146 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 18:26:10,146 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1998305150] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 18:26:10,147 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2023-12-02 18:26:10,147 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [12, 13] total 32 [2023-12-02 18:26:10,147 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [532631467] [2023-12-02 18:26:10,147 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 18:26:10,148 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-12-02 18:26:10,148 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 18:26:10,148 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-12-02 18:26:10,149 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=162, Invalid=1398, Unknown=0, NotChecked=0, Total=1560 [2023-12-02 18:26:10,149 INFO L87 Difference]: Start difference. First operand 155 states and 217 transitions. Second operand has 11 states, 11 states have (on average 6.2727272727272725) internal successors, (69), 10 states have internal predecessors, (69), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2023-12-02 18:26:14,107 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.13s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 18:26:16,110 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 18:26:17,232 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.12s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 18:26:19,343 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.17s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 18:26:22,613 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 18:26:25,509 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.13s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 18:26:26,984 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.47s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 18:26:29,259 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.13s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 18:26:31,262 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 18:26:33,264 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 18:26:35,268 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 18:26:37,826 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.67s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 18:26:40,319 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.12s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 18:26:43,090 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.90s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 18:26:45,287 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.12s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 18:26:47,118 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.05s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 18:26:47,355 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 18:26:47,355 INFO L93 Difference]: Finished difference Result 428 states and 600 transitions. [2023-12-02 18:26:47,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-12-02 18:26:47,356 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 6.2727272727272725) internal successors, (69), 10 states have internal predecessors, (69), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 166 [2023-12-02 18:26:47,357 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 18:26:47,358 INFO L225 Difference]: With dead ends: 428 [2023-12-02 18:26:47,358 INFO L226 Difference]: Without dead ends: 274 [2023-12-02 18:26:47,359 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 556 GetRequests, 510 SyntacticMatches, 1 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 794 ImplicationChecksByTransitivity, 8.1s TimeCoverageRelationStatistics Valid=230, Invalid=1932, Unknown=0, NotChecked=0, Total=2162 [2023-12-02 18:26:47,359 INFO L413 NwaCegarLoop]: 150 mSDtfsCounter, 403 mSDsluCounter, 560 mSDsCounter, 0 mSdLazyCounter, 771 mSolverCounterSat, 6 mSolverCounterUnsat, 9 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 34.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 403 SdHoareTripleChecker+Valid, 710 SdHoareTripleChecker+Invalid, 786 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 771 IncrementalHoareTripleChecker+Invalid, 9 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 35.6s IncrementalHoareTripleChecker+Time [2023-12-02 18:26:47,359 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [403 Valid, 710 Invalid, 786 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 771 Invalid, 9 Unknown, 0 Unchecked, 35.6s Time] [2023-12-02 18:26:47,360 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 274 states. [2023-12-02 18:26:47,385 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 274 to 169. [2023-12-02 18:26:47,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 169 states, 146 states have (on average 1.3630136986301369) internal successors, (199), 146 states have internal predecessors, (199), 20 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2023-12-02 18:26:47,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 169 states and 239 transitions. [2023-12-02 18:26:47,386 INFO L78 Accepts]: Start accepts. Automaton has 169 states and 239 transitions. Word has length 166 [2023-12-02 18:26:47,386 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 18:26:47,386 INFO L495 AbstractCegarLoop]: Abstraction has 169 states and 239 transitions. [2023-12-02 18:26:47,386 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 6.2727272727272725) internal successors, (69), 10 states have internal predecessors, (69), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2023-12-02 18:26:47,387 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 239 transitions. [2023-12-02 18:26:47,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2023-12-02 18:26:47,387 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 18:26:47,388 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 18:26:47,397 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c479da26-afce-48fc-9690-26016778ed8b/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (24)] Ended with exit code 0 [2023-12-02 18:26:47,605 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c479da26-afce-48fc-9690-26016778ed8b/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Ended with exit code 0 [2023-12-02 18:26:47,799 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c479da26-afce-48fc-9690-26016778ed8b/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 (23)] Ended with exit code 0 [2023-12-02 18:26:47,988 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 24 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c479da26-afce-48fc-9690-26016778ed8b/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt,25 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c479da26-afce-48fc-9690-26016778ed8b/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,23 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c479da26-afce-48fc-9690-26016778ed8b/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 18:26:47,989 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 18:26:47,989 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 18:26:47,989 INFO L85 PathProgramCache]: Analyzing trace with hash 1236047354, now seen corresponding path program 1 times [2023-12-02 18:26:47,990 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 18:26:47,990 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1722433946] [2023-12-02 18:26:47,990 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 18:26:47,990 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 18:26:47,990 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c479da26-afce-48fc-9690-26016778ed8b/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 18:26:47,991 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c479da26-afce-48fc-9690-26016778ed8b/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-02 18:26:47,991 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c479da26-afce-48fc-9690-26016778ed8b/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 (26)] Waiting until timeout for monitored process [2023-12-02 18:26:48,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 18:26:48,671 INFO L262 TraceCheckSpWp]: Trace formula consists of 373 conjuncts, 27 conjunts are in the unsatisfiable core [2023-12-02 18:26:48,675 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 18:27:01,336 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 25 treesize of output 13 [2023-12-02 18:27:01,587 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 25 treesize of output 13 [2023-12-02 18:27:01,783 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 25 treesize of output 13 [2023-12-02 18:27:01,899 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 60 treesize of output 42 [2023-12-02 18:27:01,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 18:27:01,964 INFO L349 Elim1Store]: treesize reduction 32, result has 22.0 percent of original size [2023-12-02 18:27:01,964 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 42 treesize of output 57 [2023-12-02 18:27:01,983 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 4 [2023-12-02 18:27:02,140 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 18:27:02,140 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 30 treesize of output 26 [2023-12-02 18:27:02,214 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 76 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2023-12-02 18:27:02,214 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 18:27:03,889 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 18:27:03,889 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1722433946] [2023-12-02 18:27:03,889 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1722433946] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 18:27:03,889 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1164804493] [2023-12-02 18:27:03,890 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 18:27:03,890 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 18:27:03,890 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c479da26-afce-48fc-9690-26016778ed8b/bin/utaipan-verify-nQ1chXbOIh/cvc4 [2023-12-02 18:27:03,891 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c479da26-afce-48fc-9690-26016778ed8b/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 18:27:03,892 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c479da26-afce-48fc-9690-26016778ed8b/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (27)] Waiting until timeout for monitored process [2023-12-02 18:27:05,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 18:27:05,354 INFO L262 TraceCheckSpWp]: Trace formula consists of 373 conjuncts, 32 conjunts are in the unsatisfiable core [2023-12-02 18:27:05,360 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 18:27:17,668 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 12 treesize of output 8 [2023-12-02 18:27:20,220 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 33 treesize of output 17 [2023-12-02 18:27:20,616 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 12 [2023-12-02 18:27:20,941 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 12 [2023-12-02 18:27:21,187 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 87 treesize of output 65 [2023-12-02 18:27:21,197 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 18:27:21,252 INFO L349 Elim1Store]: treesize reduction 32, result has 22.0 percent of original size [2023-12-02 18:27:21,252 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 65 treesize of output 76 [2023-12-02 18:27:21,276 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 4 [2023-12-02 18:27:21,517 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 18:27:21,517 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 36 treesize of output 32 [2023-12-02 18:27:21,534 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 72 proven. 76 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2023-12-02 18:27:21,534 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 18:27:22,023 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1164804493] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 18:27:22,023 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1427267291] [2023-12-02 18:27:22,023 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 18:27:22,023 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 18:27:22,023 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c479da26-afce-48fc-9690-26016778ed8b/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 18:27:22,024 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c479da26-afce-48fc-9690-26016778ed8b/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 18:27:22,025 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c479da26-afce-48fc-9690-26016778ed8b/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Waiting until timeout for monitored process [2023-12-02 18:27:22,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 18:27:22,422 INFO L262 TraceCheckSpWp]: Trace formula consists of 373 conjuncts, 29 conjunts are in the unsatisfiable core [2023-12-02 18:27:22,426 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 18:27:38,592 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 25 treesize of output 13 [2023-12-02 18:27:38,976 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 25 treesize of output 13 [2023-12-02 18:27:39,384 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 25 treesize of output 13 [2023-12-02 18:27:39,853 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 60 treesize of output 42 [2023-12-02 18:27:39,862 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 18:27:39,917 INFO L349 Elim1Store]: treesize reduction 32, result has 22.0 percent of original size [2023-12-02 18:27:39,917 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 42 treesize of output 57 [2023-12-02 18:27:40,072 INFO L349 Elim1Store]: treesize reduction 16, result has 55.6 percent of original size [2023-12-02 18:27:40,073 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 2 case distinctions, treesize of input 28 treesize of output 31 [2023-12-02 18:27:40,137 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 18:27:40,137 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 30 treesize of output 26 [2023-12-02 18:27:40,154 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 76 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2023-12-02 18:27:40,154 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 18:27:41,380 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1427267291] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 18:27:41,380 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-12-02 18:27:41,380 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 13, 13] total 32 [2023-12-02 18:27:41,380 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1220467526] [2023-12-02 18:27:41,380 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-12-02 18:27:41,381 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 33 states [2023-12-02 18:27:41,381 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 18:27:41,382 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2023-12-02 18:27:41,383 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=215, Invalid=1425, Unknown=0, NotChecked=0, Total=1640 [2023-12-02 18:27:41,383 INFO L87 Difference]: Start difference. First operand 169 states and 239 transitions. Second operand has 33 states, 30 states have (on average 6.3) internal successors, (189), 29 states have internal predecessors, (189), 7 states have call successors, (60), 7 states have call predecessors, (60), 7 states have return successors, (60), 7 states have call predecessors, (60), 7 states have call successors, (60)